root/usr/src/cmd/cmd-inet/usr.sbin/wificonfig/wificonfig.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 2018, Joyent, Inc.
 */

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <errno.h>
#include <ctype.h>
#include <stdarg.h>
#include <fcntl.h>
#include <unistd.h>
#include <net/if.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/ipc.h>
#include <sys/ddi.h>
#include <stropts.h>
#include <assert.h>
#include <termios.h>
#include <time.h>
#include <string.h>
#include <strings.h>
#include <auth_attr.h>
#include <auth_list.h>
#include <libdevinfo.h>
#include <secdb.h>
#include <priv.h>
#include <pwd.h>
#include <umem.h>
#include <locale.h>
#include <libintl.h>
#include <dirent.h>
#include <inet/wifi_ioctl.h>

/*
 * Debug information
 */
#ifdef  DEBUG
int wifi_debug = 0;
void wifi_dbgprintf(char *fmt, ...);
#define PRTDBG(msg) if (wifi_debug > 1) wifi_dbgprintf msg
#else /* DEBUG */
#define PRTDBG(msg)
#endif /* DEBUG */

#define MAX_HISTORY_NUM                 10
#define MAX_PREFERENCE_NUM              10
#define MAX_SCANBUF_LEN                 256
#define MAX_CONFIG_FILE_LENGTH          256
#define MAX_LOADPF_LENGTH               256
#define LOADPROFILE_TIMEOUT             10
#define RECORD_ADD              0
#define RECORD_DEL              1
/*
 * Wificonfig exit status
 */
#define WIFI_EXIT_DEF           0
#define WIFI_FATAL_ERR          1
#define WIFI_IMPROPER_USE       2
#define WIFI_MINOR_ERR          3

#define WIFI_LOCKF "/var/run/lockf_wifi"

typedef enum {
        PREFERENCE,
        HISTORY,
        ACTIVEP,
        PROFILE,
        OTHER
} list_type_t;

#define WIFI_PREFER     "{preference}"
#define WIFI_HISTORY    "{history}"
#define WIFI_ACTIVEP    "{active_profile}"

typedef enum {
        LINKSTATUS = 0,
        BSSID,
        ESSID,
        BSSTYPE,
        CREATEIBSS,
        CHANNEL,
        RATES,
        POWERMODE,
        AUTHMODE,
        ENCRYPTION,
        WEPKEYID,
        WEPKEY,
        SIGNAL,
        RADIOON,
        WLANLIST,
        CONFIG_ITEM_END /* 15 */
} config_item_t;
typedef struct ae {
        struct ae *ae_next;
        char *ae_arg;
}ae_t;
typedef struct aelist {
        int ael_argc;
        ae_t *ael_head, *ael_tail;
        list_type_t type;
}aelist_t;
typedef struct section {
        struct section *section_next;
        aelist_t *list;
        char *section_id;
}section_t;

/*
 * config_file_t is an abstract of configration file,
 * either/etc/inet/wifi/wifi.<interface> or /etc/inet/secret/
 * wifi/wifiwepkey.<interface>
 */
typedef struct config_file {
        int section_argc;
        section_t *section_head, *section_tail;
}config_file_t;

static config_file_t *gp_config_file = NULL;
static config_file_t *gp_wepkey_file = NULL;
static char *p_file_wifi = "/etc/inet/wifi";
static char *p_file_wifiwepkey = "/etc/inet/secret/wifiwepkey";

typedef enum {
        AUTH_WEP = 0,
        AUTH_OTHER = 1
} wifi_auth_t;

static char *p_auth_string[] = {
        WIFI_WEP_AUTH,
        WIFI_CONFIG_AUTH
};

/*
 * gbuf: is a global buf, which is used to communicate between the user and
 * the driver
 */
static wldp_t *gbuf = NULL;
static char *gExecName = NULL;

static void print_error(uint32_t);
static void *safe_malloc(size_t);
static void *safe_calloc(size_t, size_t);
static char *safe_strdup(const char *s1);
static void safe_snprintf(char *s, size_t n,
    const char *format, ...);
static void safe_fclose(FILE *stream);
static void new_ae(aelist_t *ael, const char *arg);
static aelist_t *new_ael(list_type_t type);
static config_file_t *new_config_file();
static void new_section(config_file_t *p_config_file, aelist_t *p_list,
        const char *section_id);
static void destroy_config(config_file_t *p_config_file);
static config_file_t *parse_file(const char *pfile);
static char **aeltoargv(aelist_t *ael, int *ael_num);
static boolean_t fprint_config_file(config_file_t *p_config_file,
        const char *file_name);
static char *append_pa(const char *arg);
static section_t *find_section(config_file_t *p_config_file,
        const char *section_id);
static ae_t *find_ae(aelist_t *plist, const char *arg);
static void update_aelist(aelist_t *plist, const char *arg);
static const char *get_value(const char *arg);
static char *find_active_profile(int);
static const char *essid_of_profile(const char *profile);
static boolean_t search_interface(char *interface);
static int open_dev(char *devname);
static boolean_t call_ioctl(int, int, uint32_t, uint32_t);
static boolean_t del_prefer(config_file_t *p_config_file, const char *prefer,
    boolean_t rflag);
static boolean_t del_section(config_file_t *p_config_file, char *section_id);
static boolean_t set_prefer(config_file_t *p_config_file, const char *prefer,
        int rank);
static void add_to_history(config_file_t *p_config_file,
    int argc, char **argv);
static boolean_t check_authority(wifi_auth_t type);
static void heuristic_load(int fd, uint32_t ess_num, wl_ess_conf_t **);
static char *select_profile(int fd, int readonly, int timeout);
static char *construct_format(uint32_t nt);
static void print_gbuf(config_item_t index);
static boolean_t items_in_profile(aelist_t *, aelist_t *, int, char **);
static char *get_commit_key(int, int, char **);
static void print_wepkey_info(const char *id, const char *wepkeyn);
static void  do_print_usage();
static boolean_t do_print_support_params(int fd);
static boolean_t do_autoconf(int fd, int argc, char **argv);
static boolean_t do_startconf(int fd, int argc, char **argv);
static boolean_t do_loadpf(int fd, int argc, char **argv);
static boolean_t do_disconnect(int fd, int argc, char **argv);
static boolean_t do_printpf(int fd, int argc, char **argv);
static boolean_t do_restoredef(int fd, int argc, char **argv);
static boolean_t do_history(int fd, int argc, char **argv);
static boolean_t do_deletepf(int fd, int argc, char **argv);
static boolean_t do_wepkey(int fd, int argc, char **argv);
static boolean_t do_setprefer(int fd, int argc, char **arg);
static boolean_t do_rmprefer(int fd, int argc, char **argv);
static boolean_t do_lsprefer(int fd, int argc, char **argv);
static boolean_t do_wlanlist(int fd, int argc, char **argv);
static boolean_t do_showstatus(int fd, int argc, char **argv);
static boolean_t do_getprofparam(int fd, int argc, char **argv);
static boolean_t do_setprofparam(int fd, int argc, char **argv);
static boolean_t do_setprofwepkey(int fd, int argc, char **argv);
static boolean_t is_rates_support(int fd, int num, uint8_t *rates);
static boolean_t do_set_bsstype(int fd, const char *arg);
static boolean_t do_set_essid(int fd, const char *arg);
static boolean_t do_set_powermode(int fd, const char *arg);
static boolean_t do_set_rates(int fd, const char *arg);
static boolean_t do_set_channel(int fd, const char *arg);
static boolean_t do_set_createibss(int fd, const char *arg);
static boolean_t do_set_radioon(int fd, const char *arg);
static boolean_t do_set_wepkeyid(int fd, const char *arg);
static boolean_t do_set_encryption(int fd, const char *arg);
static boolean_t do_set_authmode(int fd, const char *arg);
static boolean_t do_set_wepkey(int fd, const char *pbuf);
static boolean_t do_get_createibss(int fd);
static boolean_t do_get_bsstype(int fd);
static boolean_t do_get_essid(int fd);
static boolean_t do_get_bssid(int fd);
static boolean_t do_get_radioon(int fd);
static boolean_t do_get_signal(int fd);
static boolean_t do_get_wepkeyid(int fd);
static boolean_t do_get_encryption(int fd);
static boolean_t do_get_authmode(int fd);
static boolean_t do_get_powermode(int fd);
static boolean_t do_get_rates(int fd);
static boolean_t do_get_wlanlist(int fd);
static boolean_t do_get_linkstatus(int fd);
static boolean_t do_get_channel(int fd);
static boolean_t do_get(int fd, int argc, char **argv);
static boolean_t do_set(int fd, int argc, char **argv);
static boolean_t do_createprofile(int fd, int argc, char **argv);
static boolean_t value_is_valid(config_item_t item, const char *value);

typedef struct cmd_ops {
        char cmd[32];
        boolean_t (*p_do_func)(int fd, int argc, char **argv);
        boolean_t b_auth;
        boolean_t b_fileonly; /* operation only on the config file */
        boolean_t b_readonly; /* only read from the card or config file */
} cmd_ops_t;
static cmd_ops_t do_func[] = {
        {
                "autoconf",
                do_autoconf,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "startconf",
                do_startconf,
                B_TRUE,
                B_FALSE,
                B_TRUE
        },
        {
                "connect",
                do_loadpf,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "disconnect",
                do_disconnect,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "showprofile",
                do_printpf,
                B_FALSE,
                B_TRUE,
                B_TRUE
        },
        {
                "deleteprofile",
                do_deletepf,
                B_TRUE,
                B_TRUE,
                B_FALSE
        },
        {
                "history",
                do_history,
                B_FALSE,
                B_TRUE,
                B_TRUE
        },
        {
                "listprefer",
                do_lsprefer,
                B_FALSE,
                B_TRUE,
                B_TRUE
        },
        {
                "removeprefer",
                do_rmprefer,
                B_TRUE,
                B_TRUE,
                B_FALSE
        },
        {
                "setprefer",
                do_setprefer,
                B_TRUE,
                B_TRUE,
                B_FALSE
        },
        {
                "setwepkey",
                do_wepkey,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "restoredef",
                do_restoredef,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "getparam",
                do_get,
                B_FALSE,
                B_FALSE,
                B_TRUE
        },
        {
                "setparam",
                do_set,
                B_TRUE,
                B_FALSE,
                B_FALSE
        },
        {
                "createprofile",
                do_createprofile,
                B_TRUE,
                B_TRUE,
                B_FALSE
        },
        {
                "scan",
                do_wlanlist,
                B_FALSE,
                B_FALSE,
                B_FALSE
        },
        {
                "showstatus",
                do_showstatus,
                B_FALSE,
                B_FALSE,
                B_TRUE
        },
        {
                "setprofileparam",
                do_setprofparam,
                B_TRUE,
                B_TRUE,
                B_FALSE
        },
        {
                "getprofileparam",
                do_getprofparam,
                B_FALSE,
                B_TRUE,
                B_TRUE
        },
        {
                "setprofilewepkey",
                do_setprofwepkey,
                B_TRUE,
                B_TRUE,
                B_FALSE
        }
};


typedef enum {RW, RO, WO} rw_property_t;
typedef struct gs_ops {
        config_item_t index;
        char cmd[32];
        boolean_t (*p_do_get_func)(int fd);
        boolean_t (*p_do_set_func)(int fd, const char *arg);
        rw_property_t rw;
} gs_ops_t;
static gs_ops_t do_gs_func[] = {
        {LINKSTATUS, "linkstatus", NULL, NULL, RO},
        {BSSID, "bssid", do_get_bssid, NULL, RO},
        {ESSID, "essid", do_get_essid, do_set_essid, RW},
        {BSSTYPE, "bsstype", do_get_bsstype, do_set_bsstype, RW},
        {CREATEIBSS, "createibss", do_get_createibss, do_set_createibss, RW},
        {CHANNEL, "channel", do_get_channel, do_set_channel, RW},
        {RATES, "rates", do_get_rates, do_set_rates, RW},
        {POWERMODE, "powermode", do_get_powermode, do_set_powermode, RW},
        {AUTHMODE, "authmode", do_get_authmode, do_set_authmode, RW},
        {ENCRYPTION, "encryption", do_get_encryption, do_set_encryption, RW},
        {WEPKEYID, "wepkeyindex", do_get_wepkeyid, do_set_wepkeyid, RW},
        {WEPKEY, "wepkey|1-4", NULL, do_set_wepkey, WO},
        {SIGNAL, "signal", do_get_signal, NULL, RO},
        {RADIOON, "radio",      do_get_radioon, do_set_radioon, RW},
};

#define N_FUNC          sizeof (do_func) / sizeof (cmd_ops_t)
#define N_GS_FUNC       sizeof (do_gs_func) / sizeof (gs_ops_t)

/*
 * valid rate value
 */
typedef struct wifi_rates_tab {
        char *rates_s;
        uint8_t rates_i;
        uint8_t rates_reserve0;
        uint8_t rates_reserve1;
        uint8_t rates_reserve2;
} wifi_rates_tab_t;

/*
 * the rates value is in increments of 500kb/s.
 * according to the 802.11 a/b/g specs(IEEE):
 * 802.11b(IEEE Std 802.11b-1999) page35, rates should be:
 *      X02, X04, X0b, X16
 * 802.11a(IEEE Std 802.11a-1999) page47, rates should be:
 *      6,9,12,18,24,36,48,54 Mb/s
 * 802.11g(IEEE Std 802.11g-2003) page44, rates should be:
 *      1,2,5.5,11,6,9,12,18,22,24,33,36,48,54 Mb/s
 */
#define WIFI_RATES_NUM  14
static wifi_rates_tab_t wifi_rates_s[WIFI_RATES_NUM] = {
        {"1",   WL_RATE_1M,     0,      0,      0},
        {"2",   WL_RATE_2M,     0,      0,      0},
        {"5.5", WL_RATE_5_5M,   0,      0,      0},
        {"6",   WL_RATE_6M,     0,      0,      0},
        {"9",   WL_RATE_9M,     0,      0,      0},
        {"11",  WL_RATE_11M,    0,      0,      0},
        {"12",  WL_RATE_12M,    0,      0,      0},
        {"18",  WL_RATE_18M,    0,      0,      0},
        {"22",  WL_RATE_22M,    0,      0,      0},
        {"24",  WL_RATE_24M,    0,      0,      0},
        {"33",  WL_RATE_33M,    0,      0,      0},
        {"36",  WL_RATE_36M,    0,      0,      0},
        {"48",  WL_RATE_48M,    0,      0,      0},
        {"54",  WL_RATE_54M,    0,      0,      0}
};
/* print the error message on why set or get ioctl command failed. */
static void
print_error(uint32_t errorno)
{
        char *buf;

        switch (errorno) {
        case WL_SUCCESS:
                buf = gettext("command succeeded");
                break;
        case WL_NOTSUPPORTED:
        case WL_LACK_FEATURE:
        case WL_HW_ERROR:
        case WL_ACCESS_DENIED:
                buf = strerror(errorno);
                break;
        case WL_READONLY:
                buf = gettext("parameter read-only");
                break;
        case WL_WRITEONLY:
                buf = gettext("parameter write-only");
                break;
        case WL_NOAP:
                buf = gettext("no access point available");
                break;
        default:
                buf = gettext("unknown error");
                break;
        }
        (void) fprintf(stderr, "%s\n", buf);
}

static void *
safe_malloc(size_t size)
{
        void *buf;

        buf = malloc(size);
        if (buf == NULL) {
                (void) fprintf(stderr, gettext("%s: malloc: %s\n"),
                    gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }
        return (buf);
}

static void *
safe_calloc(size_t nelem, size_t elsize)
{
        void *buf;

        buf = calloc(nelem, elsize);
        if (buf == NULL) {
                (void) fprintf(stderr, gettext("%s: calloc: %s\n"),
                    gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }
        return (buf);
}

static char *
safe_strdup(const char *s1)
{
        char *p;

        p = strdup(s1);
        if (p == NULL) {
                (void) fprintf(stderr, gettext("%s: strdup: %s\n"),
                    gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }
        return (p);
}

static void
safe_snprintf(char *s, size_t n,  const  char  *format, ...)
{
        int len;
        va_list ap;
        va_start(ap, format);

        len = vsnprintf(s, n, format, ap);
        if ((len <= 0) || (len > n - 1)) {
                (void) fprintf(stderr,
                    gettext("%s: snprintf: %s\n"),
                    gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }
        va_end(ap);
}

static void
safe_fclose(FILE *stream)
{
        int err;

        err = fclose(stream);
        if (err == EOF) {
                (void) fprintf(stderr, gettext("%s: fclose: %s\n"),
                    gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }
}
/*
 * new_ae: Add an element with content pointed by arg to the list *ael.
 */
static void
new_ae(aelist_t *ael, const char *arg)
{
        ae_t *pae = NULL;

        PRTDBG(("new_ae(0x%x, \"%s\")\n", ael, arg));
        assert((ael != NULL) && (arg != NULL));

        pae = safe_calloc(sizeof (*pae), 1);
        pae->ae_arg = safe_strdup(arg);
        pae->ae_next = NULL;

        if (ael->ael_tail == NULL) {
                ael->ael_head = pae;
        } else {
                ael->ael_tail->ae_next = pae;
        }
        ael->ael_tail = pae;
        ael->ael_argc++;
}
/*
 * new_ael:  Create a new aelist with list_type "type"
 * and return the list pointer.
 */
static aelist_t *
new_ael(list_type_t type)
{
        aelist_t *plist;

        plist = safe_calloc(sizeof (*plist), 1);
        plist->type = type;
        plist->ael_argc = 0;
        plist->ael_head = plist->ael_tail = NULL;

        PRTDBG(("new_ael(%d) = 0x%x\n", type, plist));
        return (plist);
}

/*
 * new_config_file: Creates a new config_file_t struct which is counterpart of
 * of the configration file, and return the pointer.
 */
static config_file_t *
new_config_file()
{
        config_file_t *p_config_file;

        p_config_file = safe_calloc(sizeof (config_file_t), 1);
        p_config_file->section_argc = 0;
        p_config_file->section_head = p_config_file->section_tail = NULL;

        PRTDBG(("new_config_file() = 0x%x\n", p_config_file));
        return (p_config_file);
}

/*
 * new_section: Add a list pointed by "p_list", with identity "section_id" to
 * the config_file_t struct pointed by "p_config_file"
 */
static void
new_section(config_file_t *p_config_file, aelist_t *p_list,
    const char *section_id)
{
        section_t *p_section = NULL;

        PRTDBG(("new_section(0x%x, 0x%x, \"%s\")\n", p_config_file, p_list,
            section_id));
        assert((p_config_file != NULL) && (p_list != NULL) &&
            (section_id != NULL));

        p_section = safe_calloc(sizeof (*p_section), 1);
        p_section->list = p_list;
        p_section->section_next = NULL;
        p_section->section_id = safe_strdup(section_id);

        if (p_config_file->section_tail == NULL) {
                p_config_file->section_head = p_section;
        } else {
                p_config_file->section_tail->section_next = p_section;
        }
        p_config_file->section_tail = p_section;
        p_config_file->section_argc++;
}

/*
 * destroy_config:Destroy the config_file struct
 */
static void
destroy_config(config_file_t *p_config_file)
{
        section_t *p_section = NULL;
        aelist_t *p_list = NULL;
        ae_t *pae = NULL;

        PRTDBG(("destory_config(0x%x)\n", p_config_file));
        assert(p_config_file != NULL);

        p_section = p_config_file->section_head;
        while (p_section != NULL) {
                p_list = p_section->list;
                if (p_list != NULL) {
                        pae = p_list->ael_head;
                        while (pae != NULL) {
                                if (pae->ae_arg != NULL)
                                        free(pae->ae_arg);
                                pae->ae_arg = NULL;
                                pae = pae->ae_next;
                                free(p_list->ael_head);
                                p_list->ael_head = pae;
                        }
                        free(p_list);
                        p_list = NULL;
                }
                if (p_section->section_id != NULL)
                        free(p_section->section_id);
                p_section->section_id = NULL;
                p_section = p_section->section_next;
                free(p_config_file->section_head);
                p_config_file->section_head = p_section;
        }
        free(p_config_file);
        p_config_file = NULL;
}

/*
 * parse_file: Parse each section of the configration file
 * and construct the config_file_t structure.
 * Example:
 * A config file has contents below:
 *
 * {preferrence}
 * essid=ap7-3
 * essid=linksys
 *
 * {history}
 * essid=ap7-3
 * essid=ap7-2
 *
 * [ap7-3]
 * essid=ap7-3
 * wepkeyid=3
 * channel=11
 * rates=1,2
 *
 * [linksys]
 * essid=linksys
 * createibss=BSS
 * authmode=OPENSYSTEM
 * wepkeyid=1
 *
 * then its config_file_t structure will be:
 *
 *                        config_file_t
 *                       |~~~~~~~~~~~~~~~~~~~~~~~~~~|
 *                       |      section_argc=5      |
 *                       |~~~~~~~~~~~~T~~~~~~~~~~~~~|
 *                      /|   *head    |    *tail    |\
 *                     / ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \
 *                    /                                \
 *                   /                                  \
 *                  /                                    \
 *                 /                                      \
 *                /                                        \
 *  section_t    V           section_t                      V section_t
 * |~~~~~~~~~~~~~~~|~~|     |~~~~~~~~~~~~~~~|~~|      |~~~~~~~~~~~~~~|~~|
 * |"{preferrence}"|  |     |  "{history}"  |  |      | "[linksys]"  |  |
 * |~~~~~~~~~~~~~~~| -+---->|~~~~~~~~~~~~~~~| -+->..->|~~~~~~~~~~~~~~| -+->NULL
 * |    *list      |  |     |    *list      |  |      |    *list     |  |
 * ~~T~~~~~~~~~~~~~~~~~     ~~~T~~~~~~~~~~~~~~~~      ~~~T~~~~~~~~~~~~~~~
 *   |                         |                         |
 *   |                         |                         |
 *   V aelist_t                V aelist_t                V aelist_t
 * |~~~~~~~~~~~~~|          |~~~~~~~~~~~~~|           |~~~~~~~~~~~~~|
 * |  argc=2     |          |  argc=3     |           |  argc=4     |
 * |~~~~~~~~~~~~~|          |~~~~~~~~~~~~~|           |~~~~~~~~~~~~~|
 * |PREFFERRENCE |          |   HISTORY   |           |   PROFILE   |
 * |~~~~~~T~~~~~~|          |~~~~~~T~~~~~~|           |~~~~~~T~~~~~~|
 * |*head |*tail |\         |*head |*tail |\          |*head |*tail |
 * ~~T~~~~~~~~~~~~ \        ~~T~~~~~~~~~~~~ \        /~~~~~~~~~~~~~~~\
 *   |              \         V              V      /                 \
 *   |               \        ...            ...   /                   \
 *   V ae_t           V  ae_t             ae_t    V           ae_t      V
 * |~~~~~~~~~T~~|  |~~~~~~~~~T~~|       |~~~~~~~~~T~~|      |~~~~~~~~~T~~|
 * |"essid=  | -+->|"essid=  | -+->NULL |"essid=  | -+->..->|"wepkeyid| -+->NULL
 * | ap7-3"  |  |  | linksys"|  |       | linksys"|  |      | =1"     |  |
 * ~~~~~~~~~~~~~~  ~~~~~~~~~~~~~~       ~~~~~~~~~~~~~~      ~~~~~~~~~~~~~~
 *
 */

static config_file_t *
parse_file(const char *pfile)
{
        FILE *file = NULL;
        int fd = 0;
        char buf_line[256];
        config_file_t *p_config_file;
        list_type_t cur_list = OTHER;
        aelist_t *prefer_list = NULL;
        aelist_t *history_list = NULL;
        aelist_t *profile_list = NULL;
        aelist_t *activep_list = NULL;

        assert(pfile != NULL);
        /*
         * The files /etc/inet/wifi and /etc/inet/secret/wifiwepkey should
         * be opened with "r" attribute. If these two files do not exist,
         * create them here.
         */
        file = fopen(pfile, "r");

        if (file == NULL) {
                fd = open(pfile, O_CREAT|O_EXCL|O_RDWR, 0600);
                if (fd < 0) {
                        (void) fprintf(stderr, gettext("%s: failed to open %s"
                            "\n"), gExecName, pfile);
                        goto error1;
                }
                file = fdopen(fd, "w");
                (void) chmod(pfile, S_IRUSR);
        }

        p_config_file = new_config_file();

        while (fgets(buf_line, sizeof (buf_line), file) != NULL) {
                if ((buf_line[0] == '\n') || (buf_line[0] == ' '))
                        continue;
                /* replace the old '\n' to '\0' */
                buf_line[strlen(buf_line) - 1] = '\0';
                if (strstr(buf_line, WIFI_PREFER) == buf_line) {
                        if (prefer_list == NULL) {
                                cur_list = PREFERENCE;
                                prefer_list = new_ael(PREFERENCE);
                                new_section(p_config_file, prefer_list,
                                    WIFI_PREFER);
                        } else {
                                (void) fprintf(stderr, gettext("%s: "
                                    "%s : duplicated %s section\n"),
                                    gExecName, pfile, WIFI_PREFER);
                                goto error;
                        }
                } else if (strstr(buf_line, WIFI_HISTORY) == buf_line) {
                        if (history_list == NULL) {
                                cur_list = HISTORY;
                                history_list = new_ael(HISTORY);
                                new_section(p_config_file, history_list,
                                    WIFI_HISTORY);
                        } else {
                                (void) fprintf(stderr, gettext("%s: "
                                    "%s : duplicated %s section\n"),
                                    gExecName, pfile, WIFI_HISTORY);
                                goto error;
                        }
                } else if (strstr(buf_line, WIFI_ACTIVEP) == buf_line) {
                        if (activep_list == NULL) {
                                cur_list = ACTIVEP;
                                activep_list = new_ael(ACTIVEP);
                                new_section(p_config_file, activep_list,
                                    WIFI_ACTIVEP);
                        } else {
                                (void) fprintf(stderr, gettext("%s: "
                                    "%s : duplicated %s section\n"),
                                    gExecName, pfile, WIFI_ACTIVEP);
                                goto error;
                        }
                } else if ((strchr(buf_line, '[') == buf_line) &&
                    (buf_line[strlen(buf_line) - 1] == ']')) {
                        cur_list = PROFILE;
                        profile_list = new_ael(PROFILE);
                        new_section(p_config_file, profile_list,
                            buf_line);
                } else {
                        switch (cur_list) {
                        case PREFERENCE:
                                if (prefer_list->ael_argc <=
                                    MAX_PREFERENCE_NUM)
                                        new_ae(prefer_list, buf_line);
                                break;
                        case HISTORY:
                                if (history_list->ael_argc <=
                                    MAX_HISTORY_NUM)
                                        new_ae(history_list, buf_line);
                                break;
                        case ACTIVEP:
                                if ((activep_list->ael_argc <= 1) &&
                                    (strpbrk(buf_line, "=") != NULL))
                                        new_ae(activep_list, buf_line);
                                break;
                        case PROFILE:
                                if (strpbrk(buf_line, "=") != NULL)
                                        new_ae(profile_list, buf_line);
                                break;
                        default:
                                (void) fprintf(stderr,
                                    gettext("%s: %s: file format error\n"),
                                    gExecName, pfile);
                                goto error;
                        }
                }
        }
        PRTDBG(("parse_file(\"%s\")=0x%x\n", pfile, p_config_file));
        (void) fclose(file);
        return (p_config_file);
error:
        destroy_config(p_config_file);
        (void) fclose(file);
error1:
        return (NULL);
}
/*
 * construct an argument vector from an aelist
 */
static char **
aeltoargv(aelist_t *ael, int *ael_num)
{
        ae_t *ae = NULL;
        char **argv = NULL;
        int argc = 0;

        PRTDBG(("aeltoargv(%x)\n", ael));
        assert(ael != NULL);

        argv = safe_calloc(sizeof (*argv), ael->ael_argc);

        for (argc = 0, ae = ael->ael_head; ae; ae = ae->ae_next) {
                /* skip bssid since it can not be set */
                if (strncmp(ae->ae_arg, "bssid=", strlen("bssid=")) == 0)
                        continue;
                argv[argc] = safe_strdup(ae->ae_arg);
                argc++;
                if (ae == ael->ael_tail)
                        break;
        }

        PRTDBG(("aeltoargv(0x%x) = 0x%x\n\n", ael, argv));
        *ael_num = argc;
        return (argv);
}

/*
 * archived contents into a file
 */
static boolean_t
fprint_config_file(config_file_t *p_config_file, const char *file_name)
{
        FILE *file = NULL;
        int fd = 0;
        int len;
        section_t *p_section = NULL;
        aelist_t *p_list = NULL;
        ae_t *pae = NULL;
        char temp_file[256];
        struct stat buf;

        PRTDBG(("fprint_config_file(0x%x, \"%s\")\n", p_config_file,
            file_name));
        assert((p_config_file != NULL)&&(strcmp(file_name, "") != 0));

        safe_snprintf(temp_file, sizeof (temp_file),
            "%s.tmp", file_name);
        fd = open(temp_file, O_CREAT|O_WRONLY|O_TRUNC, 0600);
        if (fd < 0) {
                (void) fprintf(stderr, gettext("%s: failed to open %s\n"),
                    gExecName, temp_file);
                return (B_FALSE);
        }
        file = fdopen(fd, "w");

        p_section = p_config_file->section_head;
        while (p_section != NULL) {
                p_list = p_section->list;
                if (p_list != NULL) {
                        PRTDBG(("fprint_config_file: section_id=%s\n",
                            p_section->section_id));
                        len = fprintf(file, "\n%s\n", p_section->section_id);
                        if (len < 0) {
                                (void) fprintf(stderr, gettext("%s: "
                                    "failed to update %s: %s\n"),
                                    gExecName, file_name, strerror(errno));
                                safe_fclose(file);
                                return (B_FALSE);
                        }
                        pae = p_list->ael_head;
                        while (pae != NULL) {
                                if (pae->ae_arg != NULL) {
                                        len = fprintf(file, "%s\n",
                                            pae->ae_arg);
                                        if (len < 0) {
                                                (void) fprintf(stderr,
                                                    gettext("%s: failed to "
                                                    "update %s: %s\n"),
                                                    gExecName, file_name,
                                                    strerror(errno));
                                                safe_fclose(file);
                                                return (B_FALSE);
                                        }
                                }
                                pae = pae->ae_next;
                        }
                }
                p_section = p_section->section_next;
        }
        safe_fclose(file);
        /*
         * The attribute of the file /etc/inet/wifi and
         * /etc/inet/security/wifiwepkey should be retained.
         * if those file do not exist, set default file mode.
         */
        if (stat(file_name, &buf) != 0) {
                if (errno == ENOENT) {
                        buf.st_mode = 0600;
                } else {
                        (void) fprintf(stderr, gettext("%s: failed to get "
                            "file %s stat: %s\n"),
                            gExecName, file_name, strerror(errno));
                        return (B_FALSE);
                }
        }
        if (rename(temp_file, file_name) != 0) {
                (void) fprintf(stderr, gettext("%s: failed to update %s: %s"
                    "\n"), gExecName, file_name, strerror(errno));
                return (B_FALSE);
        }
        (void) chmod(file_name, buf.st_mode);
        return (B_TRUE);
}
/*
 * append_pa: Each section holds a section_id which identifies a section
 * a profile uses its essid appending "[]" to denote its section_id.
 * note: new memory is allocated, remember to free.
 */
static char *
append_pa(const char *arg)
{
        char *pbuf = NULL;
        int len;

        assert(arg != NULL);

        len = strlen(arg) + 3;
        pbuf = safe_malloc(len);
        safe_snprintf(pbuf, len, "[%s]", arg);
        PRTDBG(("append_pa(\"%s\") = \"%s\"\n", arg, pbuf));
        return (pbuf);
}
/*
 * find a section by section_id from p_config_file,
 * return the section pointer.
 */
static section_t *
find_section(config_file_t *p_config_file, const char *section_id)
{
        section_t *p_section = NULL;

        PRTDBG(("find_section(0x%x, \"%s\")\n", p_config_file, section_id));
        assert((section_id != NULL)&&(p_config_file != NULL));

        p_section = p_config_file->section_head;

        while (p_section != NULL) {
                if ((p_section->section_id != NULL) &&
                    (strcmp(p_section->section_id, section_id) == 0))
                        return (p_section);
                p_section = p_section->section_next;
        }
        return (NULL);
}

/*
 * get_value: Get rid of "parameter=" from a "parameter=value", for example:
 * when we read an line from file, we gets "essid=ap7-2", this function
 * returns the pointer to string "ap7-2";
 */

static const char *
get_value(const char *arg)
{
        char *p;
        assert(arg != NULL);

        p = strchr(arg, '=');
        PRTDBG(("get_value(\"%s\") = \"%s\"\n", arg, p + 1));
        if (p != NULL)
                return (p + 1);
        else
                return (NULL);
}

/*
 * search /dev/wifi to see which interface is available
 */
static boolean_t
search_interface(char *interface)
{
        DIR *dirp;
        struct dirent *dp;
        char buf[256];
        int fd;

        PRTDBG(("search interface\n"));
        assert(interface != NULL);

        /*
         * Try to return the first found wifi interface.
         * If no wifi interface is available, return B_FALSE
         */

        if ((dirp = opendir("/dev/wifi")) == NULL) {
                PRTDBG(("failed to open '/dev/wifi'\n"));
                return (B_FALSE);
        }
        while ((dp = readdir(dirp)) != NULL) {
                if (strcmp(dp->d_name, ".") == 0 ||
                    strcmp(dp->d_name, "..") == 0)
                        continue;
                if (dp->d_name[strlen(dp->d_name) - 1] < '0' ||
                    dp->d_name[strlen(dp->d_name) - 1] > '9')
                        continue;
                safe_snprintf(buf, sizeof (buf), "%s%s",
                    "/dev/wifi/", dp->d_name);
                fd = open(buf, O_RDWR);
                if (fd == -1) {
                        PRTDBG(("interface %s doesn't exist\n", dp->d_name));
                        continue;
                } else {
                        PRTDBG(("interface %s is the first found interface\n",
                            dp->d_name));
                        (void) strlcpy(interface, buf, LIFNAMSIZ);
                        (void) close(fd);
                        (void) closedir(dirp);
                        return (B_TRUE);
                }
        }

        PRTDBG(("failed to find available wireless interface\n"));
        (void) closedir(dirp);
        return (B_FALSE);

}
/*
 * open_dev: Open the driver.
 * if the 'devname' has format like 'ath0', we should add the path to that
 * device(/dev/ath0) and open it; if the 'devname' has format like
 * '/dev/wifi/ath0', we open it directly.
 */
static int
open_dev(char *devname)
{
        int fd;
        int len;
        char *pbuf = NULL;

        PRTDBG(("open_dev(\"%s\")\n", devname));
        assert(devname != NULL);
        /*
         * If the devname is got from the user input, we
         * add '/dev/' to that relative devname. If it
         * is got from the 'search interface', it is an
         * absolute path.
         */
        if (strncmp(devname, "/dev/wifi/", strlen("/dev/wifi/")) == 0) {
                pbuf = safe_strdup(devname);
        } else {
                len = strlen(devname) + strlen("/dev/") + 1;
                pbuf = safe_malloc(len);
                safe_snprintf(pbuf, len, "/dev/%s", devname);
        }
        fd = open(pbuf, O_RDWR);
        free(pbuf);

        if (fd == -1) {
                (void) fprintf(stderr, gettext("%s: failed to open '%s': %s"
                    "\n"), gExecName, devname, strerror(errno));
                return (-1);
        }
        if (!isastream(fd)) {
                (void) fprintf(stderr, gettext("%s: %s is "
                    "not a stream device\n"),
                    gExecName, devname);
                (void) close(fd);
                return (-1);
        }
        return (fd);
}
/*
 * call_ioctl: Fill strioctl structure and issue an ioctl system call
 */
static boolean_t
call_ioctl(int fd, int cmd, uint32_t params, uint32_t buf_len)
{
        struct strioctl stri;

        PRTDBG(("call_ioctl_gs(%d, 0x%x, 0x%x, 0x%x)\n",
            fd, cmd, params, buf_len));

        switch (cmd) {
        case WLAN_GET_PARAM:
                (void) memset(gbuf, 0, MAX_BUF_LEN);
                stri.ic_len = MAX_BUF_LEN;
                break;
        case WLAN_SET_PARAM:
                gbuf->wldp_length = buf_len + WIFI_BUF_OFFSET;
                stri.ic_len = gbuf->wldp_length;
                break;
        case WLAN_COMMAND:
                gbuf->wldp_length = sizeof (wldp_t);
                stri.ic_len = gbuf->wldp_length;
                break;
        default:
                (void) fprintf(stderr, gettext("%s: ioctl : "
                    "unsupported ioctl command\n"), gExecName);
                return (B_FALSE);
        }
        gbuf->wldp_type = NET_802_11;
        gbuf->wldp_id = params;

        stri.ic_cmd = cmd;
        stri.ic_timout = 0;
        stri.ic_dp = (char *)gbuf;

        if (ioctl(fd, I_STR, &stri) == -1) {
                gbuf->wldp_result = 0xffff;
                return (B_FALSE);
        }
        if (cmd == WLAN_COMMAND) {
                return (B_TRUE);
        } else {
                return (gbuf->wldp_result != WL_SUCCESS ?
                    B_FALSE:B_TRUE);
        }
}

/*
 * del_prefer: Delete an item from the {preferrence} list, the idea is
 * simply free the ae_t element, and set ae_arg to NULL, then when archive
 * the config_file_t struct to the file, it will be delete.
 * The last flag is used to identify whether this function is invoked due to
 * the 'removeprefer' subcommand or due to 'deleteprofile' subcommand.
 */
static boolean_t
del_prefer(config_file_t *p_config_file, const char *prefer, boolean_t rflag)
{
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        int i = 0, position = 0;
        int number;
        ae_t *prm_ae = NULL;

        PRTDBG(("del_prefer(0x%x, \"%s\")\n", p_config_file, prefer));
        assert((prefer != NULL)&&(p_config_file != NULL));

        p_section = find_section(p_config_file, WIFI_PREFER);
        if (p_section != NULL)
                plist = p_section->list;

        if ((p_section == NULL) || (plist == NULL))
                return (B_FALSE);

        number = plist->ael_argc;
        pae = plist->ael_head;
        prm_ae = plist->ael_head;
        while (pae != NULL) {
                if (strcmp(prefer, pae->ae_arg) == 0) {
                        free(pae->ae_arg);
                        pae->ae_arg = NULL; /* mark */
                        if (!position) {
                                plist->ael_head = pae->ae_next;
                                if (pae->ae_next == NULL)
                                        plist->ael_tail = NULL;
                        } else {
                                for (i = 0; i < position - 1; i++)
                                        prm_ae = prm_ae->ae_next;
                                prm_ae->ae_next = pae->ae_next;
                                if (pae->ae_next == NULL)
                                        plist->ael_tail = prm_ae;
                        }
                        free(pae);
                        pae = NULL;
                        plist->ael_argc--;
                        break;
                }
                position++;
                pae = pae->ae_next;
        }
        if ((number == plist->ael_argc) && (rflag == B_TRUE)) {
                (void) fprintf(stderr, gettext("%s: removeprefer : "
                    "no such profile: '%s' in the preference list\n"),
                    gExecName, prefer);
                return (B_FALSE);
        }
        return (B_TRUE);
}

/*
 * del_section: Delete an section from p_config_file, the idea is
 * simply free the aelist_t struct and set it to NULL, when archiving
 * config_file_t struct to the file, we will find section list is NULL,
 * and will not write it to file, so it will be deleted.
 */
static boolean_t
del_section(config_file_t *p_config_file, char *section_id)
{
        section_t *p_section = NULL;
        section_t *prm_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        int i = 0, position = 0;

        PRTDBG(("del_section(0x%x, \"%s\")\n", p_config_file, section_id));
        PRTDBG(("del_section: %d section(s) in config file\n",
            p_config_file->section_argc));
        assert((section_id != NULL)&&(p_config_file != NULL));

        if (find_section(p_config_file, section_id) == NULL) {
                return (B_FALSE);
        }
        p_section = p_config_file->section_head;
        prm_section = p_config_file->section_head;
        while (p_section != NULL) {
                if (p_section->section_id != NULL) {
                        if (strcmp(p_section->section_id, section_id) == 0) {
                                plist = p_section->list;
                                pae = plist->ael_head;
                                while (pae != NULL) {
                                        free(pae->ae_arg);
                                        pae->ae_arg = NULL;
                                        pae = pae->ae_next;
                                        free(plist->ael_head);
                                        plist->ael_head = pae;
                                }
                                free(plist);
                                p_section->list = NULL;
                                free(p_section->section_id);
                                p_section->section_id = NULL;

                                if (!position) {
                                        p_config_file->section_head =
                                            p_section->section_next;
                                        if (p_section->section_next == NULL)
                                                p_config_file->section_tail =
                                                    NULL;
                                } else {
                                        for (i = 0; i < position - 1; i++) {
                                                prm_section =
                                                    prm_section->section_next;
                                        }
                                        prm_section->section_next =
                                            p_section->section_next;
                                        if (p_section->section_next == NULL)
                                                p_config_file->section_tail =
                                                    prm_section;
                                }
                                free(p_section);
                                p_config_file->section_argc--;
                                break;
                        }
                        position++;
                }
                p_section = p_section->section_next;
        }
        return (B_TRUE);
}

/*
 * set_prefer: Reorder the preferrence list.
 */
static boolean_t
set_prefer(config_file_t *p_config_file, const char *prefer, int rank)
{
        char *pbuf = NULL;
        aelist_t *plist = NULL;
        section_t *p_section = NULL;
        ae_t *pae = NULL;
        int i = 0, position = 0;
        ae_t *pae_move = NULL;

        assert(prefer != NULL);
        PRTDBG(("set_prefer(0x%x, \"%s\", %d)\n", p_config_file, prefer, rank));

        pbuf = append_pa(prefer);
        if (find_section(p_config_file, pbuf) == NULL) {
                (void) fprintf(stderr, gettext("%s: setprefer: "
                    "no such profile: '%s'\n"),
                    gExecName, prefer);
                free(pbuf);
                return (B_FALSE);
        }
        free(pbuf);

        p_section = find_section(p_config_file, WIFI_PREFER);

        if (p_section == NULL) {
                plist = new_ael(PREFERENCE);
                new_section(p_config_file, plist, WIFI_PREFER);
                new_ae(plist, prefer);
                return (B_TRUE);
        } else {
                plist = p_section->list;
        }

        pae = plist->ael_head;
        pae_move = plist->ael_head;
        while (pae != NULL) {
                if (strcmp(prefer, pae->ae_arg) == 0) {
                        free(pae->ae_arg);
                        pae->ae_arg = NULL;
                        if (!position) {
                                plist->ael_head = pae->ae_next;
                                if (pae->ae_next == NULL)
                                        plist->ael_tail = NULL;
                        } else {
                                for (i = 0; i < position - 1; i++)
                                        pae_move = pae_move->ae_next;
                                pae_move->ae_next = pae->ae_next;
                                if (pae->ae_next == NULL)
                                        plist->ael_tail = pae_move;
                        }
                        free(pae);
                        plist->ael_argc--;
                        break;
                }
                position++;
                pae = pae->ae_next;
        }
        PRTDBG(("set_prefer: %d Profiles in prefer list\n", plist->ael_argc));
        if (rank > plist->ael_argc) {
                new_ae(plist, prefer);
        } else if (rank <= 1) {
                pae = safe_calloc(sizeof (ae_t), 1);
                pae->ae_arg = safe_strdup(prefer);
                pae->ae_next = plist->ael_head;
                plist->ael_head = pae;
                plist->ael_argc++;
        } else {
                pae_move = plist->ael_head;
                for (i = 1; i < rank-1; i++) {
                        pae_move = pae_move->ae_next;
                }
                pae = safe_calloc(sizeof (ae_t), 1);
                pae->ae_arg = safe_strdup(prefer);
                pae->ae_next = pae_move->ae_next;
                pae_move->ae_next = pae;
                plist->ael_argc++;
        }
        /*
         * If number of prefer list items is larger than the MAX_PREFERENCE_NUM
         * delete those items whose No is larger than MAX_PREFERENCE_NUM.
         */
        if (plist->ael_argc > MAX_PREFERENCE_NUM) {
                pae = plist->ael_head;
                while (pae->ae_next != plist->ael_tail)
                        pae = pae->ae_next;
                free(plist->ael_tail->ae_arg);
                plist->ael_tail->ae_arg = NULL;
                free(plist->ael_tail);
                plist->ael_tail = pae;
                plist->ael_tail->ae_next = NULL;
                plist->ael_argc--;
        }
        PRTDBG(("set_prefer: %d Profiles in prefer list\n", plist->ael_argc));
        return (B_TRUE);
}
/*
 * add_to_history: Save the scanlist argv into history section
 */
static void
add_to_history(config_file_t *p_config_file, int argc, char **argv)
{
        int i = 0, j = 0, pos = 0;
        aelist_t *plist = NULL;
        section_t *p_section = NULL;
        ae_t *pae = NULL;
        ae_t *pae_m = NULL;
        char item[256];
        time_t cltime;

        PRTDBG(("add_to_history(0x%x, %d, 0x%x)\n", p_config_file, argc, argv));
        assert(p_config_file != NULL);

        p_section = find_section(p_config_file, WIFI_HISTORY);

        if (p_section == NULL) {
                plist = new_ael(HISTORY);
                new_section(p_config_file, plist, WIFI_HISTORY);
        } else {
                plist = p_section->list;
        }

        if (plist != NULL) {
                for (i = 0; i < argc; i++) {
                        if (!strlen(argv[i]))
                                continue;
                        pos = 0;
                        pae = plist->ael_head;
                        pae_m = plist->ael_head;
                        /*
                         * add time stamp to the history record
                         */
                        cltime = time(&cltime);
                        (void) snprintf(item, sizeof (item), "%s%c%ld",
                            argv[i], ',', cltime);
                        while (pae != NULL) {
                                if (strncmp(item, pae->ae_arg,
                                    strlen(argv[i])) == 0) {
                                        free(pae->ae_arg);
                                        pae->ae_arg = NULL;
                                        if (!pos) {
                                                plist->ael_head = pae->ae_next;
                                                if (pae->ae_next == NULL)
                                                        plist->ael_tail = NULL;
                                        } else {
                                                for (j = 0; j < pos - 1; j++)
                                                        pae_m = pae_m->ae_next;
                                                pae_m->ae_next = pae->ae_next;
                                                if (pae->ae_next == NULL)
                                                        plist->ael_tail = pae_m;
                                        }
                                        free(pae);
                                        plist->ael_argc--;
                                        break;
                                }
                                pos++;
                                pae = pae->ae_next;
                        }
                        new_ae(plist, item);
                }

                if (plist->ael_argc > MAX_HISTORY_NUM) {
                        for (i = 0; i < plist->ael_argc - MAX_HISTORY_NUM;
                            i++) {
                                pae = plist->ael_head;
                                free(pae->ae_arg);
                                plist->ael_head = pae->ae_next;
                                free(pae);
                        }
                        plist->ael_argc = MAX_HISTORY_NUM;
                }
        }
}

static void
do_print_usage()
{
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " autoconf [wait={n|forever}]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " connect profile [wait={n|forever}]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " connect essid [wait={n|forever}]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " disconnect\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " getparam [parameter [...]]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " setparam [parameter=value [...]]\n"), gExecName);
        (void) fprintf(stderr, gettext(
            "\tparameters:\n"
            "\t\tbssid\t\t - read only: 6 byte mac address of "
            "base station\n"
            "\t\tessid\t\t - name of the network, a string of up "
            "to 32 chars\n"
            "\t\tbsstype\t\t - bss(ap, infrastructure), ibss(ad-hoc)"
            " or auto\n"
            "\t\tcreateibss\t - flag to identify whether a ibss is to be\n"
            "\t\t\t\t   created when the network to connect is\n"
            "\t\t\t\t   not available, yes or no\n"
            "\t\tchannel\t\t - channel(used only when creating an ibss)\n"
            "\t\t\t\t   valid value:\n"
            "\t\t\t\t\t 802.11a: 0-99\n"
            "\t\t\t\t\t 802.11b: 1-14\n"
            "\t\t\t\t\t 802.11g: 1-14\n"
            "\t\trates\t\t - set of rates, seperated by ',' valid rates:\n"
            "\t\t\t\t   1,2,5.5,6,9,11,12,18,22,24,33,36,48 and 54\n"
            "\t\tpowermode\t - off, mps or fast\n"
            "\t\tauthmode\t - opensystem or shared_key\n"
            "\t\tencryption\t - none or wep\n"
            "\t\twepkey|1-4\t - write only:\n"
            "\t\t\t\t   5 chars or 10 hex digits for 40bit wepkey;\n"
            "\t\t\t\t   13 chars or 26 hex digits for 128bit wepkey\n"
            "\t\twepkeyindex\t - an integer within the range 1-4\n"
            "\t\tsignal\t\t - read only: signal strength from 0 to 15\n"
            "\t\tradio\t\t - on or off\n"));
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " restoredef\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " scan\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " showstatus\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path][-i interface]"
            " setwepkey 1|2|3|4\n"), gExecName);

        (void) fprintf(stderr, "\n");

        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " createprofile profile parameter=value [...]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " deleteprofile profile1 [profile2 [...]]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " showprofile profile1 [profile2 [...]]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " setprofilewepkey profile 1|2|3|4\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " getprofileparam profile [parameter [...]]\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " setprofileparam profile [parameter=value [...]]\n"), gExecName);

        (void) fprintf(stderr, "\n");

        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " history\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " listprefer\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " removeprefer profile\n"), gExecName);
        (void) fprintf(stderr, gettext("\t%s [-R root_path]"
            " setprefer profile [n]\n"), gExecName);
}

/*
 * do_print_support_params: Query interface which cmd is supported
 */
static boolean_t
do_print_support_params(int fd)
{
        int i = 0, n = 0;

        PRTDBG(("do_print_support_params(\"%d\")\n", fd));
        assert(fd != -1);

        (void) printf(gettext("\t  parameter\tproperty\n"));
        for (i = 0; i < N_GS_FUNC; i++) {
                gbuf->wldp_result = WL_LACK_FEATURE;
                if ((do_gs_func[i].p_do_get_func != NULL) &&
                    (do_gs_func[i].p_do_get_func(fd) != B_TRUE)) {
                                continue;
                }
                if (gbuf->wldp_result == WL_SUCCESS) {
                        (void) printf("\t%11s", do_gs_func[i].cmd);
                        if (do_gs_func[i].rw == RO)
                                (void) printf(gettext("\tread only\n"));
                        else
                                (void) printf(gettext("\tread/write\n"));
                        n++;
                }
        }

        return (n ? B_TRUE : B_FALSE);
}

/*
 * check_authority: Check if command is permitted.
 */
static boolean_t
check_authority(wifi_auth_t type)
{
        struct passwd *pw = NULL;

        PRTDBG(("check_authority()\n"));

        pw = getpwuid(getuid());
        if (pw == NULL)
                return (B_FALSE);
        if (chkauthattr(p_auth_string[type], pw->pw_name) == 0) {
                if (type == AUTH_WEP)
                        (void) fprintf(stderr, gettext("%s: "
                            "privilege '%s' is required for setting "
                            "wepkey.\n"), gExecName, WIFI_WEP_AUTH);
                else
                        (void) fprintf(stderr, gettext("%s: "
                            "privilege '%s' is required.\n"),
                            gExecName, WIFI_CONFIG_AUTH);
                return (B_FALSE);
        } else {
                return (B_TRUE);
        }
}

/*
 * construct the 'history' and 'scan' output format
 * memory allocated. need to free after the function is invoked.
 */
static char *
construct_format(uint32_t nt)
{
        char *format;
        int len = 0, i;

#define FORMAT_LEN 256
        assert((nt >= 1) && (nt <= 4));
        format = safe_malloc(FORMAT_LEN);

        for (i = 0; i < nt; i++)
                len += snprintf(format + len, FORMAT_LEN - len, "\t");
        if ((len <= 0) || (len > FORMAT_LEN - 1)) {
                return ("\t\t\t\t");
        }
        return (format);
}

/*
 * find the essid of the named profile.
 * gp_config_file is golable, so the return is gloable too.
 */
static const char *
essid_of_profile(const char *profile)
{
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *pbuf;

        PRTDBG(("essid_of_profile: profile = %s\n", profile));
        pbuf = append_pa(profile);
        p_section = find_section(gp_config_file, pbuf);
        free(pbuf);

        if (p_section == NULL) {
                return (NULL);
        } else {
                plist = p_section->list;
        }
        pae = plist->ael_head;
        while (pae != NULL) {
                if (strncmp(pae->ae_arg, "essid=", strlen("essid=")) == 0) {
                        PRTDBG(("essid_of_profile: essid = %s\n",
                            pae->ae_arg));
                        return (get_value(pae->ae_arg));
                }
                pae = pae->ae_next;
        }
        return (NULL);
}

/*
 * If we don't know which profile is our favorate in 'autoconf',
 * we select the wifi network based on the following heuristic
 * 1. the network without wep.
 * 2. the network with the strongst signal.
 * 3. the network with the faster speed(not implemented since signal affects
 * the speed in some degree).
 */
static void
heuristic_load(int fd, uint32_t ess_num, wl_ess_conf_t **p_ess_conf)
{
        int i = 0;
        char *flag = NULL;
        int have_nowep_wlan = 0;
        wl_rssi_t maxsignal = 0;
        char essid[34];
        int timeout = LOADPROFILE_TIMEOUT;

        PRTDBG(("heuristic_load: enter\n"));
        (void) call_ioctl(fd, WLAN_COMMAND, WL_LOAD_DEFAULTS, 0);
        flag = calloc(sizeof (char), ess_num);
        for (i = 0; i < ess_num; i++) { /* extract none-wep network */
                if (p_ess_conf[i]->wl_ess_conf_wepenabled == B_FALSE) {
                        flag[i] = 1;
                        have_nowep_wlan = 1;
                }
        }
        /*
         * if all the wlans are weped, we select the one with strongest signal
         * in all of them, otherwise we just select in the none weped ones.
         */
        if (!have_nowep_wlan)
                (void) memset(flag, 1, ess_num);
        for (i = 0; i < ess_num; i++) { /* extract the strongest signal ones */
                if (flag[i] == 1) {
                        if (p_ess_conf[i]->wl_ess_conf_sl > maxsignal) {
                                maxsignal = p_ess_conf[i]->wl_ess_conf_sl;
                                (void) memset(flag, 0, i);
                        } else if (p_ess_conf[i]->wl_ess_conf_sl == maxsignal)
                                continue;
                        else
                                flag[i] = 0;
                }
        }
        for (i = 0; i < ess_num; i++) {
                if (flag[i] == 1)
                        break;
        }
        free(flag);
        PRTDBG(("heuristic_load: %s is selected\n",
            p_ess_conf[i]->wl_ess_conf_essid.wl_essid_essid));
        /* select one in all the networks which meet the preceding stardands */
        if (i == ess_num)
                (void) do_set_essid(fd, "");
        else
                (void) do_set_essid(fd,
                    p_ess_conf[i]->wl_ess_conf_essid.wl_essid_essid);

        if ((ess_num == 0) || (do_get_essid(fd) == B_FALSE)) {
                (void) fprintf(stderr, gettext("%s: autoconf:"
                    " failed to connect to any essid\n"),
                    gExecName);
                exit(WIFI_MINOR_ERR);
        }
        (void) strlcpy(essid, ((wl_essid_t *)(gbuf->wldp_buf))->wl_essid_essid,
            sizeof (essid));
        (void) printf(gettext("%s: autoconf: essid '%s' is selected%s\n"),
            gExecName, essid,
            have_nowep_wlan ? "" : ": this is a WEPed "
            "access point");

        if (!have_nowep_wlan)
                exit(WIFI_FATAL_ERR);

        while (timeout > 0) {
                if ((do_get_linkstatus(fd) == B_TRUE) &&
                    (*(wl_linkstatus_t *)(gbuf->wldp_buf) == WL_CONNECTED)) {
                        (void) printf(gettext("%s: connecting to "
                            "essid '%s'\n"), gExecName, essid);
                        return;
                }
                (void) sleep(1);
                timeout--;
        }
        (void) fprintf(stderr, gettext("%s: failed to connect to "
            "essid '%s'\n"), gExecName, essid);
        exit(WIFI_FATAL_ERR);
}

/*
 * Called in autoconf and startconf to find which 'profile' is selected.
 * The process is: check profile names in the prefer list item by item,
 * if the essid of the profile is in the scan list, then it is the wanted.
 * readonly: 1 for startconf
 *           0 for autoconf
 * for autoconf, the scan result will be recorded in the history list.
 */
static char *
select_profile(int fd, int readonly, int timeout)
{
        uint32_t ess_num = 0;
        int nprefer = 1;
        char **ess_argv;
        char **hisess_argv;
        wl_ess_conf_t **p_ess_conf;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        int i;
        const char *parg;
        char *selected = NULL;
        boolean_t flag = B_FALSE;

        if ((call_ioctl(fd, WLAN_COMMAND, WL_SCAN, 0) == B_FALSE) ||
            (do_get_wlanlist(fd) == B_FALSE)) {
                (void) fprintf(stderr, gettext("%s: "
                    "autoconf : failed to scan\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }
        ess_num = ((wl_ess_list_t *)(gbuf->wldp_buf))->wl_ess_list_num;
        ess_argv = safe_calloc(sizeof (char *), ess_num);
        hisess_argv = safe_calloc(sizeof (char *), ess_num);
        p_ess_conf = safe_calloc(sizeof (wl_ess_list_t *), ess_num);
        for (i = 0; i < ess_num; i++) {
                p_ess_conf[i] = ((wl_ess_list_t *)gbuf->wldp_buf)
                    ->wl_ess_list_ess + i;
                ess_argv[i] = safe_malloc(MAX_SCANBUF_LEN);
                if (readonly == 0) {
                        hisess_argv[i] = safe_malloc(MAX_SCANBUF_LEN);
                        (void) snprintf(hisess_argv[i], MAX_SCANBUF_LEN,
                            "%s%c%02x:%02x:%02x:%02x:%02x:%02x%c%s",
                            p_ess_conf[i]->wl_ess_conf_essid.wl_essid_essid,
                            ',',
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[0]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[1]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[2]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[3]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[4]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[5]), ',',
                            (p_ess_conf[i]->wl_ess_conf_wepenabled == B_TRUE
                            ?  "wep":"none"));
                }
                (void) snprintf(ess_argv[i], MAX_SCANBUF_LEN, "%s",
                    p_ess_conf[i]->wl_ess_conf_essid.wl_essid_essid);
        }
        if (readonly == 0) {
                add_to_history(gp_config_file, ess_num, hisess_argv);
                for (i = 0; i < ess_num; i++) {
                        free(hisess_argv[i]);
                }
                free(hisess_argv);
        }

        p_section = find_section(gp_config_file, WIFI_PREFER);
        if (p_section == NULL) {
                if (ess_num > 0) {
                        heuristic_load(fd, ess_num, p_ess_conf);
                        exit(WIFI_EXIT_DEF);
                }
                goto done;
        }
        plist = p_section->list;
        assert(plist != NULL);
        if (plist != NULL) {
                nprefer = plist->ael_argc;
                if (nprefer == 0) {
                        if (ess_num > 0) {
                                heuristic_load(fd, ess_num, p_ess_conf);
                                exit(WIFI_EXIT_DEF);
                        }
                        goto done;
                }
        }
        pae = plist->ael_head;
        while ((pae != NULL) && (flag != B_TRUE)) {
                parg = essid_of_profile(pae->ae_arg);
                if (parg != NULL) {
                        for (i = 0; i < ess_num; i++) {
                                if (strcmp(parg, ess_argv[i]) == 0) {
                                        selected = pae->ae_arg;
                                        flag = B_TRUE;
                                        break;
                                }
                        }
                }
                pae = pae->ae_next;
        }
done:
        if ((selected == NULL) && (timeout == 0)) {
                heuristic_load(fd, ess_num, p_ess_conf);
        }
        for (i = 0; i < ess_num; i++) {
                free(ess_argv[i]);
        }
        free(ess_argv);
        free(p_ess_conf);
        return (selected);
}

static boolean_t
is_waittime_valid(char *pbuf)
{
        int i;

        i = atoi(pbuf);
        if (i == -1)
                return (B_TRUE);
        for (i = 0; i < strlen(pbuf); i++) {
                if (isdigit(pbuf[i]) == 0) {
                        return (B_FALSE);
                }
        }
        return (B_TRUE);
}
/*
 * do_autoconf: First scan the wlanlist, and select one essid from scan result
 * by the order in {preferrence} list. If no match, then heuristic_load;
 */
/*ARGSUSED*/
static boolean_t
do_autoconf(int fd, int argc, char **argv)
{
        const char *selected = NULL;
        int timeout = LOADPROFILE_TIMEOUT, forever = 0, len = 0;
        char *pequal, *param;
        char **ld_argv = NULL;
        boolean_t ret = B_TRUE;

        PRTDBG(("do_autoconf(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);
        if (argc > 0) {
                param = safe_strdup(argv[0]);
                pequal = strchr(param, '=');
                if (pequal != NULL) {
                        *pequal++ = '\0';
                } else {
                        do_print_usage();
                        exit(WIFI_IMPROPER_USE);
                }
                if (strcmp(param, "wait") != 0) {
                        do_print_usage();
                        exit(WIFI_IMPROPER_USE);
                } else {
                        if (strcmp(pequal, "forever") == 0) {
                                forever = 1;
                        } else {
                                if (is_waittime_valid(pequal) == B_FALSE) {
                                        (void) fprintf(stderr, gettext("%s: "
                                            "invalid value %s for 'wait'\n"),
                                            gExecName, pequal);
                                        exit(WIFI_FATAL_ERR);
                                }
                                if (sscanf(pequal, "%d", &timeout) != 1) {
                                        do_print_usage();
                                        exit(WIFI_IMPROPER_USE);
                                }
                                if (timeout == -1) {
                                        forever = 1;
                                }
                        }
                }
                free(param);
                if (argc > 1) {
                        (void) fprintf(stderr, gettext("%s: trailing "
                            "useless tokens after '%s'\n"),
                            gExecName, argv[0]);
                }
        }

        while ((forever == 1) || (timeout > 0)) {
                timeout--;
                selected = select_profile(fd, 0, max(timeout, forever));
                if (selected != NULL)
                        break;
                (void) sleep(1);
        }
        if (selected == NULL) {
                return (B_TRUE);
        }
        (void) printf(gettext("%s: autoconf: profile [%s]"
            " is selected\n"), gExecName, selected);
        ld_argv = safe_calloc(sizeof (char *), argc+1);
        ld_argv[0] = safe_strdup(selected);
        if (argc > 0) {
                len = max(strlen(argv[0]), strlen("wait=forever"));
                ld_argv[1] = safe_malloc(len);
                safe_snprintf(ld_argv[1], len + 1, forever == 1 ?
                    "wait=forever" : "wait=%d", timeout);
        }
        ret = do_loadpf(fd, argc+1, ld_argv);
        free(ld_argv[0]);
        if (argc > 0) {
                free(ld_argv[1]);
        }
        free(ld_argv);
        return (ret);
}

/*
 * do_startconf: almost the same as the do_autoconf, except that doesn't
 * write file.
 */
/*ARGSUSED*/
static boolean_t
do_startconf(int fd, int argc, char **argv)
{
        int i = 0, ael_num = 0;
        section_t *p_section = NULL;
        section_t *p_wep_section = NULL;
        aelist_t *plist = NULL;
        const char *selected = NULL;
        ae_t *pae = NULL;
        char *pbuf = NULL;
        char **argvnew = NULL;

        PRTDBG(("do_startconf(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);

        selected = select_profile(fd, 1, 0);
        if (selected == NULL) {
                return (B_TRUE);
        }

        (void) call_ioctl(fd, WLAN_COMMAND, WL_LOAD_DEFAULTS, 0);

        pbuf = append_pa(selected);
        p_wep_section = find_section(gp_wepkey_file, pbuf);
        p_section = find_section(gp_config_file, pbuf);
        free(pbuf);

        if (p_wep_section != NULL) {
                plist = p_wep_section->list;
                pae = plist->ael_head;
                while (pae != NULL) {
                        if (pae->ae_arg != NULL)
                                (void) do_set_wepkey(fd, pae->ae_arg);
                        pae = pae->ae_next;
                }
        }

        if (p_section != NULL) {
                plist = p_section->list;
                if (plist->ael_argc == 0) {
                        return (B_TRUE);
                }
                argvnew = aeltoargv(plist, &ael_num);
                (void) do_set(fd, ael_num, argvnew);

                for (i = 0; i < ael_num; i++)
                        free(argvnew[i]);
                free(argvnew);
        }
        return (B_TRUE);
}

static char *
find_active_profile(int fd)
{
        section_t *p_section = NULL, *activep_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        const char *pessid = NULL, *pbssid = NULL;
        char essid[34], bssid[32];
        const char *activeprofile = NULL;

        PRTDBG(("find_active_profile: %d\n", fd));
        if (do_get_essid(fd) == B_FALSE) {
                return (NULL);
        }
        (void) strlcpy(essid, ((wl_essid_t *)(gbuf->wldp_buf))->wl_essid_essid,
            sizeof (essid));
        if (do_get_bssid(fd) == B_FALSE) {
                return (NULL);
        }
        safe_snprintf(bssid, sizeof (bssid), "%02x:%02x:%02x:%02x:%02x:%02x",
            ((uint8_t *)gbuf->wldp_buf)[0],
            ((uint8_t *)gbuf->wldp_buf)[1],
            ((uint8_t *)gbuf->wldp_buf)[2],
            ((uint8_t *)gbuf->wldp_buf)[3],
            ((uint8_t *)gbuf->wldp_buf)[4],
            ((uint8_t *)gbuf->wldp_buf)[5]);
        activep_section = find_section(gp_config_file, WIFI_ACTIVEP);
        if (activep_section == NULL)
                return (NULL);
        activeprofile = get_value(activep_section->list->
            ael_head->ae_arg);
        if (activeprofile == NULL)
                return (NULL);
        p_section = gp_config_file->section_head;
        while (p_section != NULL) {
                if (((plist = p_section->list) != NULL) &&
                    (plist->type == PROFILE) &&
                    (strcmp(p_section->section_id, activeprofile) == 0)) {
                        pae = plist->ael_head;
                        while (pae != NULL) {
                                if (strncmp(pae->ae_arg, "essid=",
                                    strlen("essid=")) == 0) {
                                        pessid = get_value(pae->ae_arg);
                                }
                                if (strncmp(pae->ae_arg, "bssid=",
                                    strlen("bssid=")) == 0) {
                                        pbssid = get_value(pae->ae_arg);
                                }
                                pae = pae->ae_next;
                        }
                        if (pessid && pbssid &&
                            (strcmp(essid, pessid) == 0) &&
                            (strcmp(bssid, pbssid) == 0)) {
                                return (p_section->section_id);
                        }
                }
                p_section = p_section->section_next;
        }
        return (NULL);
}

static void
record_active_profile(char *pname, int action)
{
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        char pbuf[256];

        p_section = find_section(gp_config_file, WIFI_ACTIVEP);
        if (p_section == NULL) {
                plist = new_ael(ACTIVEP);
                new_section(gp_config_file, plist, WIFI_ACTIVEP);
        } else {
                plist = p_section->list;
        }

        if (action == RECORD_ADD) {
                assert(pname != NULL);
                safe_snprintf(pbuf, sizeof (pbuf), "activep=%s", pname);
                update_aelist(plist, pbuf);
        } else if (action == RECORD_DEL) {
                assert(pname == NULL);
                update_aelist(plist, "activep= ");
        }
}

/*
 * do_loadpf: load a profile, set related parameters both in wifi
 * and in wifiwepkey, if network name is not exist in the
 * configration files, then we clean all parameters and set essid only
 */
static boolean_t
do_loadpf(int fd, int argc, char ** argv)
{
        int i = 0, ael_num = 0;
        int timeout = LOADPROFILE_TIMEOUT, forever = 0;
        section_t *p_section = NULL;
        section_t *p_wep_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *pbuf = NULL;
        char **argvnew = NULL;
        char *connect;
        char *pequal, *param;

        PRTDBG(("do_loadpf(%d, %x)\n", argc, argv));
        assert(fd > 0);
        if (argc == 0) {
                (void) fprintf(stderr, gettext("%s: connect: "
                    "profile name missing\n"), gExecName);
                return (B_FALSE);
        }
        if (argc > 1) {
                param = safe_strdup(argv[1]);
                pequal = strchr(param, '=');
                if (pequal != NULL) {
                        *pequal++ = '\0';
                } else {
                        do_print_usage();
                        exit(WIFI_IMPROPER_USE);
                }
                if (strcmp(param, "wait") != 0) {
                        do_print_usage();
                        exit(WIFI_IMPROPER_USE);
                } else {
                        if (strcmp(pequal, "forever") == 0) {
                                forever = 1;
                        } else {
                                if (is_waittime_valid(pequal) == B_FALSE) {
                                        (void) fprintf(stderr, gettext("%s: "
                                            "invalid value %s for 'wait'\n"),
                                            gExecName, pequal);
                                        exit(WIFI_FATAL_ERR);
                                }
                                if (sscanf(pequal, "%d", &timeout) != 1) {
                                        do_print_usage();
                                        exit(WIFI_IMPROPER_USE);
                                }
                                if (timeout == -1) {
                                        forever = 1;
                                }
                        }
                }
                free(param);
                if (argc > 2) {
                        (void) fprintf(stderr, gettext("%s: trailing "
                            "useless tokens after '%s'\n"),
                            gExecName, argv[1]);
                }
        }
        (void) call_ioctl(fd, WLAN_COMMAND, WL_LOAD_DEFAULTS, 0);

        pbuf = append_pa(argv[0]);
        p_wep_section = find_section(gp_wepkey_file, pbuf);
        p_section = find_section(gp_config_file, pbuf);

        if (p_wep_section != NULL) {
                (void) set_prefer(gp_config_file, argv[0], 1);
                plist = p_wep_section->list;
                pae = plist->ael_head;
                while (pae != NULL) {
                        if (pae->ae_arg != NULL) {
                                (void) do_set_wepkey(fd, pae->ae_arg);
                        }
                        pae = pae->ae_next;
                }
        }

        if (p_section != NULL) {
                connect = "profile";

                (void) set_prefer(gp_config_file, argv[0], 1);
                plist = p_section->list;
                if (plist->ael_argc == 0) {
                        free(pbuf);
                        return (B_TRUE);
                }
                argvnew = aeltoargv(plist, &ael_num);
                /*
                 * if there is no 'essid' item in argvnew, the profile
                 * name(argv[0]) is treated as essid.
                 */
                for (i = 0; i < ael_num; i++) {
                        if (strncmp(argvnew[i], "essid=", strlen("essid="))
                            == 0)
                                break;
                }
                if (i == ael_num)
                        (void) do_set_essid(fd, argv[0]);

                (void) do_set(fd, ael_num, argvnew);

                for (i = 0; i < ael_num; i++)
                        free(argvnew[i]);
                free(argvnew);

                /*
                 * set flag in {active_profile} so that showprofile knows
                 * which profile is active when more than one profiles are
                 * created for the same WLAN.
                 */
                record_active_profile(pbuf, RECORD_ADD);
        } else {
                (void) do_set_essid(fd, argv[0]);
                connect = "essid";
        }

        while ((forever == 1) || (timeout > 0)) {
                if ((do_get_linkstatus(fd) == B_TRUE) &&
                    (*(wl_linkstatus_t *)(gbuf->wldp_buf) == WL_CONNECTED)) {
                        section_t *p_section = NULL;
                        aelist_t *plist = NULL;
                        char bssid[32];
                        /* record bssid in the profile */
                        if (do_get_bssid(fd) == B_FALSE) {
                                free(pbuf);
                                return (B_TRUE);
                        }
                        safe_snprintf(bssid, sizeof (bssid),
                            "bssid=%02x:%02x:%02x:%02x:%02x:%02x",
                            ((uint8_t *)gbuf->wldp_buf)[0],
                            ((uint8_t *)gbuf->wldp_buf)[1],
                            ((uint8_t *)gbuf->wldp_buf)[2],
                            ((uint8_t *)gbuf->wldp_buf)[3],
                            ((uint8_t *)gbuf->wldp_buf)[4],
                            ((uint8_t *)gbuf->wldp_buf)[5]);

                        p_section = find_section(gp_config_file, pbuf);
                        if (p_section != NULL) {
                                plist = p_section->list;
                                update_aelist(plist, bssid);
                        }
                        free(pbuf);
                        (void) printf(gettext("%s: connecting to "
                            "%s '%s'\n"), gExecName, connect, argv[0]);
                        return (B_TRUE);
                }
                (void) sleep(1);
                timeout--;
                PRTDBG(("connect counting:......%d\n", timeout));
        }
        (void) fprintf(stderr, gettext("%s: failed to connect to "
            "%s '%s'\n"), gExecName, connect, argv[0]);
        free(pbuf);
        return (B_FALSE);
}

/*
 * if wepkey is set in the profile, display wepkey|n=*****
 * when showprofile and getprofilewepkey.
 * if wepkeyn is NULL, all the wepkeys will be display,
 * otherwise, just display the matching one.
 */
static void
print_wepkey_info(const char *id, const char *wepkeyn)
{
        char *pequal, *param;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;

        p_section = find_section(gp_wepkey_file, id);
        if (p_section != NULL) {
                plist = p_section->list;
                pae = plist->ael_head;
                while (pae != NULL) {
                        if (pae->ae_arg != NULL) {
                                param = safe_strdup(pae->ae_arg);
                                pequal = strchr(param, '=');
                                if (pequal == NULL)
                                        return;
                                *pequal = '\0';
                                if (wepkeyn != NULL) {
                                        if (strcmp(wepkeyn, param) == 0)
                                                (void) printf("\t%s=*****\n",
                                                    param);
                                        free(param);
                                        return;
                                } else {
                                        (void) printf("\t%s=*****\n", param);
                                        free(param);
                                }
                        }
                        pae = pae->ae_next;
                }
        }
}

/*
 * do_printpf: print each parameters of the profile, if no network name
 * assigned, then print all profile saved in configration file.
 */
/*ARGSUSED*/
static boolean_t
do_printpf(int fd, int argc, char ** argv)
{
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *pbuf = NULL;
        int i;

        PRTDBG(("do_printpf(%d, %x)\n", argc, argv));

        /*
         * if no profile name is inputted, all the profiles will be displayed.
         */
        if (argc == 0) {
                p_section = gp_config_file->section_head;
                while (p_section != NULL) {
                        plist = p_section->list;
                        if (plist->type == PROFILE) {
                                (void) printf("%s\n", p_section->section_id);
                                pae = plist->ael_head;
                                while (pae != NULL) {
                                        if (pae->ae_arg != NULL) {
                                                (void) printf("\t%s\n",
                                                    pae->ae_arg);
                                        }
                                        pae = pae->ae_next;
                                }
                                /*
                                 * identify whether wepkey is set
                                 * in the profile
                                 */
                                print_wepkey_info(p_section->section_id, NULL);
                        }
                        p_section = p_section->section_next;
                }
                return (B_TRUE);
        }

        for (i = 0; i < argc; i++) {
                pbuf =  append_pa(argv[i]);
                p_section = find_section(gp_config_file, pbuf);
                free(pbuf);
                if (p_section != NULL)  {
                        (void) printf("%s\n", p_section->section_id);
                        plist = p_section->list;
                        if (plist != NULL) {
                                pae = plist->ael_head;
                                while (pae != NULL) {
                                        if (pae->ae_arg != NULL) {
                                                (void) printf("\t%s\n",
                                                    pae->ae_arg);
                                        }
                                        pae = pae->ae_next;
                                }
                                /*
                                 * identify whether wepkey is set
                                 * in the profile
                                 */
                                print_wepkey_info(p_section->section_id, NULL);
                        }
                } else {
                        (void) fprintf(stderr,
                            gettext("%s: showprofile : "
                            "no such profile: '%s'\n"),
                            gExecName, argv[i]);
                        return (B_FALSE);
                }
        }
        return (B_TRUE);
}
/*
 * find_ae: Find an ae by its contents, return its pointer.
 */
static ae_t *
find_ae(aelist_t *plist, const char *arg)
{
        char *param = NULL;
        char *pnext = NULL;
        ae_t *pae = NULL;

        if ((arg == NULL) || (plist == NULL)) {
                PRTDBG(("find_ae: arg= NULL or plist=NULL\n"));
                return (NULL);
        }
        PRTDBG(("find_ae(0x%x, \"%s\")\n", plist, arg));
        param = safe_strdup(arg);
        pnext = strchr(param, '=');
        if (pnext != NULL) {
                *pnext = '\0';
        } else {
                PRTDBG(("find_ae: param = \"%s\"\n", param));
                free(param);
                return (NULL);
        }

        pae = plist->ael_head;
        while (pae != NULL) {
                if ((pae->ae_arg != NULL) &&
                    (strncmp(pae->ae_arg, param, strlen(param)) == 0)) {
                        PRTDBG(("find_ae: param = \"%s\"\n", param));
                        free(param);
                        return (pae);
                }
                pae = pae->ae_next;
        }
        free(param);
        return (NULL);
}

/*
 * update_aelist: Update an aelist by arg, for example:
 * there are an item with content"essid=ap7-2",
 * update_aelist(0x..., "essid=myssid2") will update it as "essid=myssid2"
 */
static void
update_aelist(aelist_t *plist, const char *arg)
{
        ae_t *pae = NULL;

        assert((arg != NULL)&&(plist != NULL));
        PRTDBG(("update_aelist(0x%x, \"%s\")\n", plist, arg));
        pae = find_ae(plist, arg);
        if (pae == NULL) {
                new_ae(plist, arg);
        } else {
                free(pae->ae_arg);
                pae->ae_arg = safe_strdup(arg);
        }
}

/*
 * do_deletepf: delete a profile in configration files.
 */
/*ARGSUSED*/
static boolean_t
do_deletepf(int fd, int argc, char **argv)
{
        int i = 0;
        char *section_id;
        char *prefer;
        section_t *p_section = NULL, *p_sectionbak = NULL;
        aelist_t *plist = NULL;

        PRTDBG(("do_deletepf(%d, \"%s\")\n", argc, argv));
        if (argc <= 0) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }

        /*
         * if a "all" is inputted, all the profiles will be deleted.
         */
        if (strcasecmp(argv[0], "all") == 0) {
                p_section = gp_config_file->section_head;
                while ((p_section != NULL) &&
                    ((plist = p_section->list) != NULL)) {
                        if (plist->type == PROFILE) {
                                p_sectionbak = p_section->section_next;
                                section_id = safe_strdup(p_section->section_id);
                                (void) del_section(gp_config_file, section_id);
                                (void) del_section(gp_wepkey_file, section_id);
                                /*
                                 * remove the '[]' of the [section_id]
                                 */
                                prefer = section_id + 1;
                                *(prefer + strlen(section_id) - 2) = '\0';
                                (void) del_prefer(gp_config_file, prefer,
                                    B_FALSE);
                                free(section_id);
                                p_section = p_sectionbak;
                                continue;
                        }
                        p_section = p_section->section_next;
                }
                return (B_TRUE);
        }
        if (gp_config_file != NULL) {
                for (i = 0; i < argc; i++) {
                        section_id = append_pa(argv[i]);
                        if (del_section(gp_config_file, section_id)
                            == B_FALSE) {
                                if (del_section(gp_wepkey_file, section_id)
                                    == B_TRUE) {
                                        (void) del_prefer(gp_config_file,
                                            argv[i], B_FALSE);
                                        free(section_id);
                                        return (B_TRUE);
                                } else {
                                        (void) fprintf(stderr,
                                            gettext("%s: deleteprofile"
                                            ": no such profile: '%s'\n"),
                                            gExecName, argv[i]);
                                        free(section_id);
                                        return (B_FALSE);
                                }
                        }
                        (void) del_prefer(gp_config_file, argv[i], B_FALSE);
                        (void) del_section(gp_wepkey_file, section_id);
                        free(section_id);
                }
        }
        return (B_TRUE);
}

/*
 * do_history: Print the list in {history} section.
 */
/*ARGSUSED*/
static boolean_t
do_history(int fd, int argc, char **argv)
{
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *param, *param_bak, *pcomma;
        uint32_t maxessidlen = 0, ulen;
        char format[256], *ntstr;
        uint32_t nt = 0, cnt = 0;
        int len;
        time_t cltime;

        PRTDBG(("do_history(%d, 0x%x)\n", argc, argv));
        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'history'\n"), gExecName);
        }
        p_section = find_section(gp_config_file, WIFI_HISTORY);
        if (p_section == NULL) {
                PRTDBG(("no history section\n"));
                return (B_FALSE);
        }
        plist = p_section->list;

        /*
         * If history section is empty, directly return.
         */
        if (plist == NULL)
                return (B_TRUE);
        /*
         * construct the output format in terms of the
         * maxmium essid length
         */
        pae = NULL;
        pae = plist->ael_head;
        while (pae != NULL) {
                if (pae->ae_arg != NULL) {
                        param = safe_strdup(pae->ae_arg);
                        pcomma = strchr(param, ',');
                        if (pcomma == NULL) {
                                (void) fprintf(stderr,
                                    gettext("%s: history : "
                                    "data format error\n"),
                                    gExecName);
                                free(param);
                                return (B_FALSE);
                        }
                        *pcomma = '\0';
                        ulen = strlen(param);
                        maxessidlen = (maxessidlen > ulen
                            ? maxessidlen:ulen);
                        free(param);
                }
                pae = pae->ae_next;
        }
        if ((nt = (maxessidlen / 8 + 1)) > 4)
                nt = 4;
        len = snprintf(format, sizeof (format), gettext("essid"));
        ntstr = construct_format(nt);
        assert((ntstr != NULL) && (strlen(ntstr) <= 4));
        len += snprintf(format + len, sizeof (format) - len, "%s", ntstr);
        len += snprintf(format + len, sizeof (format) - len,
            gettext("bssid\t\t  encryption\tlast seen\n"));

        if ((len <= 0) || (len > sizeof (format) - 1)) {
                (void) printf(gettext("essid\t\t\t\tbssid\t\t  encryption"
                    "\tlast seen\n"));
        } else {
                (void) printf("%s", format);
        }
        /*
         * output the contents of the history section.
         */
        pae = plist->ael_head;
        while (pae != NULL) {
                if (pae->ae_arg != NULL) {
                        param = safe_strdup(pae->ae_arg);
                        param_bak = param;
                        if ((pcomma = strchr(param, ',')) != NULL) {
                                *pcomma = '\0';
                                cnt = nt - (min((strlen(param)/8 + 1), 4) - 1);
                                ntstr = construct_format(cnt);
                                assert(ntstr != NULL);
                                /* display essid */
                                (void) printf("%s%s", param, ntstr);
                                free(ntstr);
                        }
                        param = pcomma + 1;
                        if ((pcomma = strchr(param, ',')) != NULL) {
                                *pcomma = '\0';
                                /* display bssid */
                                (void) printf("%s ", param);
                        }
                        param = pcomma + 1;
                        if ((pcomma = strchr(param, ',')) != NULL) {
                                *pcomma = '\0';
                                /* display wep */
                                (void) printf("%s\t\t", param);
                        }
                        param = pcomma + 1;
                        /* display time stamp */
                        cltime = (time_t)atol(param);
                        (void) printf("%s", ctime(&cltime));
                        free(param_bak);
                }
                pae = pae->ae_next;
        }

        return (B_TRUE);
}

/*
 * do_lsprefer: Print the list in {preferrence} section
 */
/*ARGSUSED*/
static boolean_t
do_lsprefer(int fd, int argc, char **argv)
{
        int i = 0;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *pbuf;

        PRTDBG(("do_lsprefer(%d, 0x%x)\n", argc, argv));
        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'listprefer'\n"), gExecName);
        }
        p_section = find_section(gp_config_file, WIFI_PREFER);
        if (p_section != NULL) {
                plist = p_section->list;
                if (plist != NULL) {
                        pae = NULL;
                        pae = plist->ael_head;
                        while (pae != NULL) {
                                if (pae->ae_arg != NULL) {
                                        pbuf = append_pa(pae->ae_arg);
                                        (void) printf("%d\t%s\n", ++i, pbuf);
                                }
                                pae = pae->ae_next;
                        }
                }
                return (B_TRUE);
        } else {
                PRTDBG(("no preference section\n"));
                return (B_FALSE);
        }
}

/*
 * do_rmprefer: Remove an item in {preferrence} list
 */
/*ARGSUSED*/
static boolean_t
do_rmprefer(int fd, int argc, char **argv)
{
        int i = 0;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;

        PRTDBG(("do_rmprefer(%d, 0x%x)\n", argc, argv));
        if (argc <= 0) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }

        /*
         * if a "all" is inputted, all the items in the preference
         * list will be deleted.
         */
        if (strcasecmp(argv[0], "all") == 0) {
                p_section = find_section(gp_config_file, WIFI_PREFER);
                if (p_section != NULL)
                        plist = p_section->list;

                if ((p_section == NULL) || (plist == NULL))
                        return (B_FALSE);
                pae = plist->ael_head;
                while (pae != NULL) {
                        ae_t *next = pae->ae_next;
                        free(pae);
                        pae = next;
                }
                plist->ael_head = plist->ael_tail = NULL;
                plist->ael_argc = 0;
        } else if (gp_config_file != NULL) {
                for (i = 0; i < argc; i++) {
                        if (del_prefer(gp_config_file, argv[i], B_TRUE)
                            == B_FALSE) {
                                return (B_FALSE);
                        }
                }
        }
        return (B_TRUE);
}

static boolean_t
is_prefer_rank_valid(const char *pbuf)
{
        int i;
        boolean_t ret = B_FALSE;

        for (i = 0; i < strlen(pbuf); i++) {
                if (isdigit(pbuf[i]) == 0) {
                        ret = B_FALSE;
                        goto exit0;
                }
        }
        i = atoi(pbuf);
        if ((i >= 1) && (i <= MAX_PREFERENCE_NUM))
                ret = B_TRUE;
exit0:
        return (ret);
}

/*
 * do_setprefer: Set network preferrence
 */
/*ARGSUSED*/
static boolean_t
do_setprefer(int fd, int argc, char **argv)
{
        int rank = 0;

        PRTDBG(("do_setprefer(%d, 0x%x)\n", argc, argv));
        if (argc <= 0) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        if (argc == 1) {
                rank = 1;
        } else {
                if (is_prefer_rank_valid(argv[1]) == B_FALSE) {
                        (void) fprintf(stderr, gettext("%s: preference rank "
                            "should be an integer within 1-10\n"), gExecName);
                        return (B_FALSE);
                }
                rank = atoi(argv[1]);
        }
        return (set_prefer(gp_config_file, argv[0], rank));
}

static boolean_t
is_wepkeyindex_valid(const char *pbuf)
{
        int i;
        boolean_t ret = B_FALSE;

        for (i = 0; i < strlen(pbuf); i++) {
                if (isdigit(pbuf[i]) == 0) {
                        ret = B_FALSE;
                        goto exit0;
                }
        }
        i = atoi(pbuf);
        if ((i >= 1) && (i <= MAX_NWEPKEYS))
                ret = B_TRUE;
exit0:
        return (ret);
}

static boolean_t
is_channel_valid(const char *pbuf)
{
        int i;
        boolean_t ret = B_FALSE;

        for (i = 0; i < strlen(pbuf); i++) {
                if (isdigit(pbuf[i]) == 0) {
                        ret = B_FALSE;
                        goto exit0;
                }
        }
        i = atoi(pbuf);
        if ((i >= 0) && (i <= MAX_CHANNEL_NUM))
                ret = B_TRUE;
exit0:
        return (ret);
}

static boolean_t
is_wepkey_valid(const char *pbuf, uint32_t length)
{
        int i;
        boolean_t ret = B_FALSE;

        switch (length) {
        case 10:
        case 26:
                for (i = 0; i < length; i++) {
                        if (isxdigit(pbuf[i]) == 0) {
                                ret = B_FALSE;
                                goto exit0;
                        }
                }
                ret = B_TRUE;
                break;
        case 5:
        case 13:
                ret = B_TRUE;
                break;
        default:
                ret = B_FALSE;
                break;
        }
exit0:
        if (ret == B_FALSE) {
                (void) fprintf(stderr, gettext("%s: "
                    "wepkey should be:\n"
                    "\t 40bits: 5 char or 10 hex digits.\n"
                    "\t 128bits: 13 char or 26 hex digits.\n"),
                    gExecName);
        }
        return (ret);
}

/*
 * get_valid_wepkey: get an valid wepkey from stdin
 */
static char *
get_valid_wepkey()
{
        int i = 0;
        char *buf = NULL;
        uint8_t length = 0;
        struct termios stored_settings;
        struct termios new_settings;

        PRTDBG(("get_valid_wepkey()\n"));
        buf = safe_calloc(sizeof (char), MAX_KEY_LENGTH + 2);
        /*
         * Because we need to get single char from terminal, so we need to
         * disable canonical mode and set buffer size to 1 tyte. And because
         * wepkey should not be see by others, so we disable echo too.
         */
        (void) fflush(stdin);
        (void) tcgetattr(0, &stored_settings);
        new_settings = stored_settings;
        new_settings.c_lflag &= (~ICANON);
        new_settings.c_lflag &= (~ECHO);
        new_settings.c_cc[VTIME] = 0;
        new_settings.c_cc[VMIN] = 1;
        /* Set new terminal attributes */
        (void) tcsetattr(0, TCSANOW, &new_settings);
        while (((buf[i++] = getchar()) != '\n') && (i < MAX_KEY_LENGTH + 1)) {
                (void) putchar('*');
        }
        (void) putchar('\n');
        /* Restore terminal attributes */
        (void) tcsetattr(0, TCSANOW, &stored_settings);
        (void) fflush(stdin);

        if (buf[--i] != '\n') {
                (void) fprintf(stderr, gettext("%s: wepkey length "
                    "exceeds 26 hex digits\n"), gExecName);
                free(buf);
                return (NULL);
        }
        /* Replace last char '\n' with '\0' */
        buf[i] = '\0';
        length = (uint8_t)i;
        return ((is_wepkey_valid(buf, length) == B_TRUE)?
            buf : NULL);
}

/*
 * do_set_wepkey: Set parameters in wepkey, and call ioctl
 */
static boolean_t
do_set_wepkey(int fd, const char *pbuf)
{
        int id = 0;
        char i = 0;
        uint8_t len = 0;
        uint8_t length;
        const char *wepkey = NULL;
        char key[MAX_KEY_LENGTH] = {0};
        unsigned int keytmp;
        wl_wep_key_tab_t wepkey_tab;

        PRTDBG(("do_set_wepkey(%d, \"%s\")\n", fd, pbuf));
        if (!check_authority(AUTH_WEP)) {
                exit(WIFI_FATAL_ERR);
        }
        id = pbuf[strlen("wepkeyn") - 1] - '0';
        wepkey = get_value(pbuf);
        length = strlen(wepkey);
        switch (length) {
        case 10:
        case 26:
                for (i = 0; i < length / 2; i++) {
                        (void) sscanf(wepkey + i * 2, "%2x", &keytmp);
                        key[i] = (char)keytmp;
                }
                len = length / 2;
                break;
        case 5:
        case 13:
                (void) strlcpy(key, wepkey, MAX_KEY_LENGTH);
                len = length;
                break;
        default:
                PRTDBG(("do_set_wepkey: error pbuf size\n"));
                (void) fprintf(stderr, gettext("%s: "
                    "wepkey should be:\n"
                    "\t 40bits: 5 char or 10 hex digits.\n"
                    "\t 128bits: 13 char or 26 hex digits.\n"),
                    gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memset(wepkey_tab, 0, sizeof (wepkey_tab));
        for (i = 0; i < MAX_NWEPKEYS; i++) {
                wepkey_tab[i].wl_wep_operation = WL_NUL;
        }

        if (id > 0 && id <= MAX_NWEPKEYS) {
                wepkey_tab[id-1].wl_wep_operation = WL_ADD;
                wepkey_tab[id-1].wl_wep_length = len;
                (void) memcpy(wepkey_tab[id-1].wl_wep_key, key, len);
        } else {
                (void) fprintf(stderr, gettext("%s: wepkeyindex "
                    "should be an integer within the range 1-4\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }
        (void) memmove(gbuf->wldp_buf, &wepkey_tab, sizeof (wl_wep_key_tab_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_WEP_KEY_TAB,
            sizeof (wl_wep_key_tab_t)));
}

/*
 * get the committed wepkey. the return form is like wepkey1=*****;
 */
/*ARGSUSED*/
static char *
get_commit_key(int fd, int argc, char **argv)
{
        int key;
        int len;
        char *wepkey = NULL;
        char *wepkey_confirm = NULL;
        char *pbuf = NULL;

        key = atoi(argv[0]);
        if (key <= 0 || key > MAX_NWEPKEYS) {
                (void) fprintf(stderr, gettext("%s: wepkeyindex "
                    "should be an integer within the range 1-4\n"), gExecName);
                goto exit0;
        }
        (void) printf(gettext("input wepkey%d:"), key);
        wepkey = get_valid_wepkey();
        if (wepkey == NULL) {
                goto exit0;
        }
        (void) printf(gettext("confirm wepkey%d:"), key);
        wepkey_confirm = get_valid_wepkey();
        if (wepkey_confirm == NULL) {
                free(wepkey);
                goto exit0;
        }
        if (strcmp(wepkey, wepkey_confirm) != 0) {
                free(wepkey);
                free(wepkey_confirm);
                (void) fprintf(stderr,
                    gettext("%s: wepkey: "
                    "two inputs are not identical\n"), gExecName);
                goto exit0;
        }
        free(wepkey_confirm); /* wepkey_confirm is no longer used */

        len = MAX_KEY_LENGTH + strlen("wepkey1=\n") + 1;
        pbuf = safe_malloc(len);
        safe_snprintf(pbuf, len, "%s%d=%s", "wepkey", key, wepkey);

        free(wepkey); /* wepkey is no longer used */
        return (pbuf);
exit0:
        return (NULL);
}

/*
 * do_wepkey: Get input from user, call do_set_wepkey
 */
/*ARGSUSED*/
static boolean_t
do_wepkey(int fd, int argc, char **argv)
{
        char *pbuf;

        PRTDBG(("do_wepkey(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);
        if (argc <= 0) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        if (argc > 1) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'setwepkey'\n"), gExecName);
        }
        pbuf = get_commit_key(fd, argc, argv);
        if ((pbuf != NULL) && (do_set_wepkey(fd, pbuf) == B_TRUE)) {
                free(pbuf);
                return (B_TRUE);
        }
        free(pbuf);
        return (B_FALSE);
}

/*ARGSUSED*/
static boolean_t
do_setprofwepkey(int fd, int argc, char **argv)
{
        char *pbuf;
        char *section_id = NULL;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;

        PRTDBG(("do_setprofwepkey(%d, 0x%x)\n", argc, argv));
        if (argc < 2) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        if (argc > 2) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'setprofwepkey'\n"), gExecName);
        }

        section_id = append_pa(argv[0]);
        p_section = find_section(gp_wepkey_file, section_id);
        free(section_id);
        if (p_section == NULL) {
                (void) fprintf(stderr, gettext("%s: "
                    "no such profile: '%s'\n"),
                    gExecName, argv[0]);
                return (B_FALSE);
        }

        argc--;
        argv++;
        pbuf = get_commit_key(fd, argc, argv);
        if (pbuf == NULL)
                return (B_FALSE);
        plist = p_section->list;
        update_aelist(plist, pbuf);

        return (B_TRUE);
}

/*
 * do_wlanlist: Scan for wlanlist
 */
/*ARGSUSED*/
static boolean_t
do_wlanlist(int fd, int argc, char **argv)
{
        PRTDBG(("do_wlanlist(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);
        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'scan'\n"), gExecName);
        }
        if (call_ioctl(fd, WLAN_COMMAND, WL_SCAN, 0) == B_FALSE) {
                (void) fprintf(stderr, gettext("%s: failed to scan\n"),
                    gExecName);
                return (B_FALSE);
        }
        if (do_get_wlanlist(fd) == B_TRUE) {
                print_gbuf(WLANLIST);
        }
        return (B_TRUE);
}

/*
 * do_showstatus: show the basic status of the interface, including
 * linkstatus, essid, encryption and signal strength.
 */
/*ARGSUSED*/
static boolean_t
do_showstatus(int fd, int argc, char **argv)
{
        wl_rssi_t signal;
        char *active_profile = NULL;

        PRTDBG(("do_showstatus(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);

        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'showstatus'\n"), gExecName);
        }
        if (do_get_linkstatus(fd) == B_TRUE) {
                print_gbuf(LINKSTATUS);
                if (*(wl_linkstatus_t *)(gbuf->wldp_buf) == WL_NOTCONNECTED) {
                        return (B_TRUE);
                }
        }
        active_profile = find_active_profile(fd);
        (void) printf("\tactive profile: %s\n",
            active_profile ? active_profile : "none");
        if (do_get_essid(fd) == B_TRUE) {
                print_gbuf(ESSID);
        }
        if (do_get_bssid(fd) == B_TRUE) {
                print_gbuf(BSSID);
        }
        if (do_get_encryption(fd) == B_TRUE) {
                print_gbuf(ENCRYPTION);
        }
        if (do_get_signal(fd) == B_TRUE) {
                signal = *(wl_rssi_t *)(gbuf->wldp_buf);
                if (signal < 4) {
                        (void) printf("\tsignal strength: weak(%d)\n",
                            signal);
                } else if ((signal >= 4) && (signal <= 11)) {
                        (void) printf("\tsignal strength: medium(%d)\n",
                            signal);
                } else {
                        (void) printf("\tsignal strength: strong(%d)\n",
                            signal);
                }
        }

        return (B_TRUE);
}


/*
 * do_restoredef: Ask driver for loading default parameters
 */
/*ARGSUSED*/
static boolean_t
do_restoredef(int fd, int argc, char **argv)
{
        PRTDBG(("do_restoredef(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);

        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'restoredef'\n"), gExecName);
        }
        record_active_profile(NULL, RECORD_DEL);
        if (call_ioctl(fd, WLAN_COMMAND, WL_LOAD_DEFAULTS, 0) == B_FALSE) {
                return (B_FALSE);
        } else {
                return (B_TRUE);
        }
}

/*
 * do_disconnect: disconnect from the current connectted network
 */
/*ARGSUSED*/
static boolean_t
do_disconnect(int fd, int argc, char **argv)
{
        PRTDBG(("do_disconnect(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);

        if (argc > 0) {
                (void) fprintf(stderr, gettext("%s: trailing useless tokens "
                    "after 'disconnect'\n"), gExecName);
        }
        record_active_profile(NULL, RECORD_DEL);
        if (call_ioctl(fd, WLAN_COMMAND, WL_DISASSOCIATE, 0) == B_FALSE) {
                return (B_FALSE);
        } else {
                return (B_TRUE);
        }
}

static boolean_t
do_set_essid(int fd, const char *arg)
{
        wl_essid_t essid;

        PRTDBG(("do_set_essid(%d, \"%s\")\n", fd, arg));

        /*
         * a trick here: clean the active_profile flag
         * in section{active_profile}
         */
        record_active_profile(NULL, RECORD_DEL);

        (void) memset(&essid, 0x0, sizeof (essid));

        if (arg == NULL || strcmp(arg, "") == 0) {
                essid.wl_essid_length = 0;
                essid.wl_essid_essid[0] = '\0';
        } else {
                essid.wl_essid_length = strlen(arg);
                if (essid.wl_essid_length > MAX_ESSID_LENGTH - 1) {
                        (void) fprintf(stderr, gettext("%s: "
                            "essid exceeds 32 bytes\n"), gExecName);
                        exit(WIFI_FATAL_ERR);
                }
                (void) strcpy(essid.wl_essid_essid, arg);
        }
        (void) memmove(gbuf->wldp_buf, &essid, sizeof (wl_essid_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_ESSID, sizeof (wl_essid_t)));
}

static boolean_t
do_set_bsstype(int fd, const char *arg)
{
        wl_bss_type_t bsstype;

        assert(arg != NULL);

        PRTDBG(("do_set_bsstype(%d, \"%s\")\n", fd, arg));

        (void) memset(&bsstype, 0xff, sizeof (bsstype));

        if ((strcasecmp(arg, "BSS") == 0) ||
            (strcasecmp(arg, "AP") == 0) ||
            (strcasecmp(arg, "INFRASTRUCTURE") == 0)) {
                bsstype = WL_BSS_BSS;
        } else if ((strcasecmp(arg, "IBSS") == 0) ||
            (strcasecmp(arg, "AD-HOC") == 0)) {
                bsstype = WL_BSS_IBSS;
        } else if (strcasecmp(arg, "AUTO") == 0) {
                bsstype = WL_BSS_ANY;
        } else {
                (void) fprintf(stderr, gettext("%s: bsstype: "
                    "bss(ap,infrastructure) ibss(ad-hoc) or auto\n"),
                    gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &bsstype, sizeof (wl_bss_type_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_BSS_TYPE,
            sizeof (wl_bss_type_t)));
}

static boolean_t
do_set_createibss(int fd, const char *arg)
{
        wl_create_ibss_t create_ibss;

        assert(arg != NULL);

        PRTDBG(("do_set_createibss(%d, \"%s\")\n", fd, arg));

        (void) memset(&create_ibss, 0x0, sizeof (create_ibss));

        if (strcasecmp(arg, "YES") == 0) {
                create_ibss = B_TRUE;
        } else if (strcasecmp(arg, "NO") == 0) {
                create_ibss = B_FALSE;
        } else {
                (void) fprintf(stderr, gettext("%s: "
                    "createibss: yes or no\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &create_ibss,
            sizeof (wl_create_ibss_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_CREATE_IBSS,
            sizeof (wl_create_ibss_t)));
}

static boolean_t
do_set_channel(int fd, const char *arg)
{
        wl_phy_conf_t phy_conf;

        assert(arg != NULL);
        PRTDBG(("do_set_channel(%d, \"%s\")\n", fd, arg));

        (void) memset(&phy_conf, 0xff, sizeof (phy_conf));

        if (is_channel_valid(arg) == B_FALSE) {
                (void) fprintf(stderr, gettext("%s: channel No. "
                    "should be:\n"
                    "\t802.11a: 0-99\n"
                    "\t802.11b: 1-14\n"
                    "\t802.11g: 1-14\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }
        phy_conf.wl_phy_dsss_conf.wl_dsss_channel = atoi(arg);
        PRTDBG(("channel=%d\n", phy_conf.wl_phy_dsss_conf.wl_dsss_channel));

        (void) memmove(gbuf->wldp_buf, &phy_conf, sizeof (wl_phy_conf_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_PHY_CONFIG,
            sizeof (wl_phy_conf_t)));
}
/*
 * is_rates_support: Querying driver about supported rates.
 */
static boolean_t
is_rates_support(int fd, int num, uint8_t *rates)
{
        int rates_num = 0;
        int i = 0, j = 0;
        uint8_t value = 0;

        assert((rates != NULL)&&(num != 0));
        PRTDBG(("is_rates_support(%d, %d, 0x%x)\n", fd, num, rates));

        if (call_ioctl(fd, WLAN_GET_PARAM, WL_SUPPORTED_RATES, 0)
            == B_TRUE) {
                rates_num = ((wl_rates_t *)(gbuf->wldp_buf))->wl_rates_num;

                for (i = 0; i < num; i++) {
                        PRTDBG(("rates[%d] = %d\n", i, rates[i]));
                        for (j = 0; j < rates_num; j++) {
                                value = ((wl_rates_t *)gbuf->wldp_buf)
                                    ->wl_rates_rates[j];
                                PRTDBG(("supported rates[%d]=%d\n", j, value));
                                if (value == rates[i]) {
                                        break;
                                }
                        }
                        if (j == rates_num) {
                                if (rates[i] == 11) {
                                        (void) fprintf(stderr,
                                            gettext("%s: "
                                            "rate 5.5M is not supported\n"),
                                            gExecName);
                                } else {
                                        (void) fprintf(stderr,
                                            gettext("%s: "
                                            "rate %dM is not supported\n"),
                                            gExecName, rates[i]/2);
                                }
                                return (B_FALSE);
                        }
                }
                return (B_TRUE);
        }
        return (B_FALSE);
}

/*
 *
 */
static uint8_t
rates_convert(const char *rates)
{
        int i;
        uint8_t ret;

        for (i = 0; i < WIFI_RATES_NUM; i++) {
                if (strcmp(rates, wifi_rates_s[i].rates_s) == 0) {
                        ret = wifi_rates_s[i].rates_i;
                        break;
                }
        }
        if (i == WIFI_RATES_NUM) {
                (void) fprintf(stderr, gettext("%s: "
                    "invalid rates '%s'\n"), gExecName, rates);
                exit(WIFI_FATAL_ERR);
        }
        return (ret);
}

/*
 * get_rates: convert string value arg into uint8_t array,
 * array length will be save into *len[i].
 * for example:
 * arg = "1,2,5.5,11"
 * then after call, rates[] = {2,4,11,22} will be returned.
 * and *len will equal to 4
 */
static uint8_t *
get_rates(const char *arg, uint32_t *len)
{
        int i = 1, j = 0;
        uint8_t *rates = NULL;
        char *pnext = NULL;
        char *token;
        char *pstart;
        char *pstart_bak;

        assert(arg != NULL);

        if (strlen(arg) == 0) {
                PRTDBG(("get_rates: empty rates string\n"));
                return (NULL);
        }
        PRTDBG(("get_rates(\"%s\", 0x%x)\n", arg, len));
        pstart = safe_strdup(arg);
        pstart_bak = pstart;
        while ((pnext = strchr(pstart, ',')) != NULL) {
                pstart = pnext + 1;
                i++;
        }
        *len = i;
        rates = safe_calloc(sizeof (uint8_t), i);

        pstart = pstart_bak;
        if ((token = strtok(pstart, ",")) != NULL) {
                PRTDBG(("rates[0]: %s\n", token));
                rates[0] = rates_convert(token);
                i = 1;
                while ((token = strtok(NULL, ",")) != NULL) {
                        PRTDBG(("rates[%d]: %s\n", i, token));
                        rates[i++] = rates_convert(token);
                }
        }
        free(pstart_bak);
        for (i = 0; i < *len; i++) {
                for (j = 0; j < i; j++)
                        if (rates[j] == rates[i]) {
                                (void) fprintf(stderr,
                                    gettext("%s: rates duplicated\n"),
                                    gExecName);
                                free(rates);
                                return (NULL);
                        }
        }

        return (rates);
}

static boolean_t
do_set_rates(int fd, const char *arg)
{
        int i = 0;
        uint32_t num = 0;
        uint8_t *rates;

        assert(arg != NULL);

        PRTDBG(("do_set_rates(%d, \"%s\")\n", fd, arg));

        rates = get_rates(arg, &num);
        if ((rates == NULL) ||
            is_rates_support(fd, num, rates) == B_FALSE) {
                exit(WIFI_FATAL_ERR);
        }

        ((wl_rates_t *)(gbuf->wldp_buf))->wl_rates_num = num;
        for (i = 0; i < num; i++) {
                ((wl_rates_t *)gbuf->wldp_buf)->wl_rates_rates[i]
                    = rates[i];
        }
        free(rates);
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_DESIRED_RATES,
            offsetof(wl_rates_t, wl_rates_rates) +
            num*sizeof (char)));
}

static boolean_t
do_set_powermode(int fd, const char *arg)
{
        wl_ps_mode_t ps_mode;

        assert(arg != NULL);

        PRTDBG(("do_set_powermode(%d, \"%s\")\n", fd, arg));

        (void) memset(&ps_mode, 0xff, sizeof (ps_mode));

        if ((strcasecmp(arg, "OFF") == 0) ||
            (strcasecmp(arg, "MPS") == 0) ||
            (strcasecmp(arg, "FAST") == 0)) {
                switch (arg[0]) {
                case 'O':
                case 'o':
                        ps_mode.wl_ps_mode = WL_PM_AM;
                        break;
                case 'M':
                case 'm':
                        ps_mode.wl_ps_mode = WL_PM_MPS;
                        break;
                case 'F':
                case 'f':
                        ps_mode.wl_ps_mode = WL_PM_FAST;
                        break;
                default:
                        break;
                }
        } else {
                (void) fprintf(stderr,
                    gettext("%s: powermode: off mps or fast\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &ps_mode, sizeof (wl_ps_mode_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_POWER_MODE,
            sizeof (wl_ps_mode_t)));
}

static boolean_t
do_set_authmode(int fd, const char *arg)
{
        wl_authmode_t auth_mode;

        assert(arg != NULL);
        PRTDBG(("do_set_authmode(%d, \"%s\")\n", fd, arg));

        (void) memset(&auth_mode, 0xff, sizeof (auth_mode));
        /* Mark */
        if (strcasecmp(arg, "OPENSYSTEM") == 0) {
                auth_mode = WL_OPENSYSTEM;
        } else if (strcasecmp(arg, "SHARED_KEY") == 0) {
                auth_mode = WL_SHAREDKEY;
        } else {
                (void) fprintf(stderr,
                    gettext("%s: authmode: "
                    "opensystem or shared_key\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &auth_mode, sizeof (wl_authmode_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_AUTH_MODE,
            sizeof (wl_authmode_t)));
}

static boolean_t
do_set_encryption(int fd, const char *arg)
{
        wl_encryption_t encryption;

        assert(arg != NULL);
        PRTDBG(("do_set_encryption(%d, \"%s\")\n", fd, arg));

        (void) memset(&encryption, 0xff, sizeof (encryption));

        if (strcasecmp(arg, "NONE") == 0) {
                encryption = WL_NOENCRYPTION;
        } else if (strcasecmp(arg, "WEP") == 0) {
                encryption = WL_ENC_WEP;
        } else {
                (void) fprintf(stderr, gettext("%s: encryption: "
                    "none or wep\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &encryption, sizeof (wl_encryption_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_ENCRYPTION,
            sizeof (wl_encryption_t)));
}

static boolean_t
do_set_wepkeyid(int fd, const char *arg)
{
        wl_wep_key_id_t wep_key_id;

        assert(arg != NULL);
        PRTDBG(("do_set_wepkeyid(%d, \"%s\")\n", fd, arg));

        (void) memset(&wep_key_id, 0xff, sizeof (wep_key_id));
        if (is_wepkeyindex_valid(arg) == B_FALSE) {
                (void) fprintf(stderr, gettext("%s: wepkeyindex "
                    "should be an integer within the range 1-4\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }
        wep_key_id = atoi(arg) - 1;

        (void) memmove(gbuf->wldp_buf, &wep_key_id, sizeof (wl_wep_key_id_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_WEP_KEY_ID,
            sizeof (wl_wep_key_id_t)));
}

static boolean_t
do_set_radioon(int fd, const char *arg)
{
        wl_radio_t radio;

        assert(arg != NULL);
        PRTDBG(("do_set_radioon(%d, \"%s\")\n", fd, arg));

        (void) memset(&radio, 0xff, sizeof (radio));

        if (strcasecmp(arg, "ON") == 0) {
                radio = B_TRUE;
        } else if (strcasecmp(arg, "OFF") == 0) {
                radio = B_FALSE;
        } else {
                (void) fprintf(stderr,
                    gettext("%s: radio : on or off\n"), gExecName);
                exit(WIFI_FATAL_ERR);
        }

        (void) memmove(gbuf->wldp_buf, &radio, sizeof (wl_radio_t));
        return (call_ioctl(fd, WLAN_SET_PARAM, WL_RADIO, sizeof (wl_radio_t)));
}
/*
 * print_gbuf: After each ioctl system call, gbuf will contain result, gbuf
 * contents's format varies from each kind of ioctl system call.
 */
static void
print_gbuf(config_item_t index)
{
        int i = 0, j = 0;
        uint32_t ess_num;
        char **ess_argv;
        uint32_t rates_num;
        uint32_t subtype;
        wl_bss_type_t bsstype;
        wl_create_ibss_t createibss;
        wl_ps_mode_t *ps_mode;
        wl_authmode_t authmode;
        wl_encryption_t encryption;
        wl_wep_key_id_t wepkeyid;
        wl_rssi_t signal;
        wl_radio_t radioon;
        wl_ess_conf_t **p_ess_conf;
        wl_linkstatus_t linkstatus;
        char format[256], *ntstr;
        uint32_t maxessidlen = 0, nt = 0, cnt = 0;
        int len;
        uint8_t bssid[6];

        PRTDBG(("print_gbuf(%d)\n", index));
        assert(gbuf->wldp_length < MAX_BUF_LEN);

        switch (index) {
        case BSSID:
                (void) printf("\tbssid: ");
                (void) memset(bssid, 0, sizeof (bssid));
                if (memcmp((uint8_t *)gbuf->wldp_buf, bssid, sizeof (bssid))
                    == 0) {
                        (void) printf("none\n");
                        break;
                }
                (void) memset(bssid, 0xff, sizeof (bssid));
                if (memcmp((uint8_t *)gbuf->wldp_buf, bssid, sizeof (bssid))
                    == 0) {
                        (void) printf("none\n");
                        break;
                }
                for (i = 0; i < 5; i++)
                        (void) printf("%02x:", ((uint8_t *)gbuf->wldp_buf)[i]);
                (void) printf("%02x\n", ((uint8_t *)gbuf->wldp_buf)[i]);
                break;
        case ESSID:
                (void) printf("\tessid: %s\n", ((wl_essid_t *)(gbuf->wldp_buf))
                    ->wl_essid_essid);
                break;
        case BSSTYPE:
                bsstype = *(wl_bss_type_t *)(gbuf->wldp_buf);
                switch (bsstype) {
                case WL_BSS_BSS:
                        (void) printf("\tbsstype: bss(ap, infrastructure)\n");
                        break;
                case WL_BSS_IBSS:
                        (void) printf("\tbsstype: ibss(ad-hoc)\n");
                        break;
                case WL_BSS_ANY:
                        (void) printf("\tbsstype: auto\n");
                        break;
                default:
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid bsstype value\n"), gExecName);
                }
                break;
        case CREATEIBSS:
                createibss = *(wl_create_ibss_t *)(gbuf->wldp_buf);
                switch (createibss) {
                case B_TRUE:
                        (void) printf("\tcreateibss: yes\n");
                        break;
                case B_FALSE:
                        (void) printf("\tcreateibss: no\n");
                        break;
                default:
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid createibss value\n"), gExecName);
                }
                break;
        case CHANNEL:
                subtype = ((wl_fhss_t *)(gbuf->wldp_buf))->wl_fhss_subtype;
                switch (subtype) {
                case WL_FHSS:
                case WL_DSSS:
                case WL_IRBASE:
                case WL_HRDS:
                case WL_ERP:
                        (void) printf("\tchannel: %d\n", ((wl_fhss_t *)
                            (gbuf->wldp_buf))->wl_fhss_channel);
                        break;
                case WL_OFDM:
                        (void) printf("\tchannel: %d\n", ((wl_ofdm_t *)
                            (gbuf->wldp_buf))
                            ->wl_ofdm_frequency);
                        break;
                default:
                        (void) fprintf(stderr, gettext("%s: "
                            "invalid subtype\n"), gExecName);
                        break;
                }
                break;
        case RATES:
                rates_num = ((wl_rates_t *)(gbuf->wldp_buf))->wl_rates_num;
                (void) printf("\trates: ");
                for (i = 0; i < rates_num; i++) {
                        char rate;
                        rate = ((wl_rates_t *)gbuf->wldp_buf)
                            ->wl_rates_rates[i];
                        if (rate == WL_RATE_5_5M)
                                (void) printf("5.5");
                        else
                                (void) printf("%d", (uint8_t)(rate / 2));

                        if (i == (rates_num - 1))
                                (void) printf("\n");
                        else
                                (void) printf(",");
                }
                break;
        case POWERMODE:
                ps_mode = (wl_ps_mode_t *)(gbuf->wldp_buf);
                switch (ps_mode->wl_ps_mode) {
                case WL_PM_AM:
                        (void) printf("\tpowermode: off\n");
                        break;
                case WL_PM_MPS:
                        (void) printf("\tpowermode: mps\n");
                        break;
                case WL_PM_FAST:
                        (void) printf("\tpowermode: fast\n");
                        break;
                default:
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid powermode value\n"), gExecName);
                        break;
                }
                break;
        case AUTHMODE:
                authmode = *(wl_authmode_t *)(gbuf->wldp_buf);
                switch (authmode) {
                case WL_OPENSYSTEM:
                        (void) printf("\tauthmode: opensystem\n");
                        break;
                case WL_SHAREDKEY:
                        (void) printf("\tauthmode: shared_key\n");
                        break;
                default:
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid authmode value\n"), gExecName);
                        break;
                }
                break;
        case ENCRYPTION:
                encryption = *(wl_encryption_t *)(gbuf->wldp_buf);
                switch (encryption) {
                case WL_NOENCRYPTION:
                        (void) printf("\tencryption: none\n");
                        break;
                case WL_ENC_WEP:
                        (void) printf("\tencryption: wep\n");
                        break;
                default:
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid encryption value\n"), gExecName);
                        break;
                }
                break;
        case WEPKEYID:
                wepkeyid = *(wl_wep_key_id_t *)(gbuf->wldp_buf);
                (void) printf("\twepkeyindex: %d\n", wepkeyid + 1);
                break;
        case SIGNAL:
                signal = *(wl_rssi_t *)(gbuf->wldp_buf);
                (void) printf("\tsignal: %d\n", signal);
                break;
        case RADIOON:
                radioon = *(wl_radio_t *)(gbuf->wldp_buf);
                switch (radioon) {
                case B_TRUE:
                        (void) printf("\tradio: on\n");
                        break;
                case B_FALSE:
                        (void) printf("\tradio: off\n");
                        break;
                default: /* Mark */
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid radioon value\n"), gExecName);
                }
                break;
        case LINKSTATUS:
                linkstatus = *(wl_linkstatus_t *)(gbuf->wldp_buf);
                switch (linkstatus) {
                case WL_CONNECTED:
                        (void) printf("\tlinkstatus: connected\n");
                        break;
                case WL_NOTCONNECTED:
                        (void) printf("\tlinkstatus: not connected\n");
                        break;
                default: /* Mark */
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "invalid linkstatus value\n"), gExecName);
                }
                break;
        case WLANLIST:
                ess_num = ((wl_ess_list_t *)(gbuf->wldp_buf))->wl_ess_list_num;
                ess_argv = safe_calloc(sizeof (char *), ess_num);
                p_ess_conf = safe_calloc(sizeof (wl_ess_conf_t *), ess_num);
                for (i = 0; i < ess_num; i++) {
                        p_ess_conf[i] = ((wl_ess_list_t *)gbuf->wldp_buf)
                            ->wl_ess_list_ess + i;
                        maxessidlen = (maxessidlen >
                            strlen(p_ess_conf[i]
                            ->wl_ess_conf_essid.wl_essid_essid) ?
                            maxessidlen :
                            strlen(p_ess_conf[i]
                            ->wl_ess_conf_essid.wl_essid_essid));
                }
                /*
                 * construct the output format.
                 */
                if ((nt = (maxessidlen / 8 + 1)) > 4)
                        nt = 4;
                len = snprintf(format, sizeof (format), gettext("essid"));
                ntstr = construct_format(nt);
                assert(ntstr != NULL);
                len += snprintf(format + len, sizeof (format) - len, "%s",
                    ntstr);
                len += snprintf(format + len, sizeof (format) - len,
                    gettext("bssid\t\t  type\t\tencryption\tsignallevel\n"));

                if ((len <= 0) || (len > sizeof (format) - 1)) {
                        (void) printf("essid\t\t\t\tbssid\t\t  type\t\t"
                            "encryption\tsignallevel\n");
                } else {
                        (void) printf("%s", format);
                }

                for (i = 0; i < ess_num; i++) {
                        ess_argv[i] = safe_malloc(MAX_SCANBUF_LEN);
                        safe_snprintf(ess_argv[i], MAX_SCANBUF_LEN,
                            "%s%c%02x:%02x:%02x:%02x:%02x:%02x%c%s",
                            p_ess_conf[i]->wl_ess_conf_essid.wl_essid_essid,
                            ',',
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[0]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[1]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[2]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[3]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[4]),
                            (uint8_t)(p_ess_conf[i]->wl_ess_conf_bssid[5]), ',',
                            (p_ess_conf[i]->wl_ess_conf_wepenabled ==
                            B_TRUE ? "wep":"none"));
                        len = strlen(p_ess_conf[i]->wl_ess_conf_essid.
                            wl_essid_essid);
                        cnt = nt - (min(len /8 + 1, 4) - 1);
                        ntstr = construct_format(cnt);
                        assert(ntstr != NULL);
                        (void) printf("%s%s", p_ess_conf[i]->wl_ess_conf_essid.
                            wl_essid_essid, ntstr);
                        free(ntstr);
                        for (j = 0; j < 5; j++) {
                                (void) printf("%02x:", (uint8_t)(p_ess_conf[i]
                                    ->wl_ess_conf_bssid[j]));
                        }
                        (void) printf("%02x ", (uint8_t)(p_ess_conf[i]
                            ->wl_ess_conf_bssid[j]));

                        if (p_ess_conf[i]->wl_ess_conf_bsstype ==
                            WL_BSS_BSS)
                                (void) printf("access point");
                        else
                                (void) printf("ad-hoc");
                        if (p_ess_conf[i]->wl_ess_conf_wepenabled ==
                            WL_ENC_WEP)
                                (void) printf("\twep\t");
                        else
                                (void) printf("\tnone\t");
                        (void) printf("\t%d\n", p_ess_conf[i]->wl_ess_conf_sl);
                }
                add_to_history(gp_config_file, ess_num, ess_argv);
                free(p_ess_conf);
                for (i = 0; i < ess_num; i++) {
                        free(ess_argv[i]);
                }
                free(ess_argv);
                break;
        default:
                (void) fprintf(stderr, gettext("%s: "
                    "invalid parameter type\n"), gExecName);
                break;
        }
}
/*
 * do_get_xxx: will send ioctl to driver, then the driver will fill gbuf
 * with related value. gbuf has a format of wldp_t structure.
 */
static boolean_t
do_get_bssid(int fd)
{
        PRTDBG(("do_get_bssid(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_BSSID, 0));
}

static boolean_t
do_get_essid(int fd)
{
        PRTDBG(("do_get_essid(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_ESSID, 0));
}

static boolean_t
do_get_bsstype(int fd)
{
        PRTDBG(("do_get_bsstype(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_BSS_TYPE, 0));
}

static boolean_t
do_get_createibss(int fd)
{
        PRTDBG(("do_get_createibss(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_CREATE_IBSS, 0));
}

static boolean_t
do_get_channel(int fd)
{
        PRTDBG(("do_get_channel(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_PHY_CONFIG, 0));
}

static boolean_t
do_get_wlanlist(int fd)
{
        PRTDBG(("do_get_wlanlist(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_ESS_LIST, 0));
}

static boolean_t
do_get_linkstatus(int fd)
{
        PRTDBG(("do_get_linkstatus(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_LINKSTATUS, 0));
}

static boolean_t
do_get_rates(int fd)
{
        PRTDBG(("do_get_rates(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_DESIRED_RATES, 0));
}

static boolean_t
do_get_powermode(int fd)
{
        PRTDBG(("do_get_powermode(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_POWER_MODE, 0));
}

static boolean_t
do_get_authmode(int fd)
{
        PRTDBG(("do_get_authmode(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_AUTH_MODE, 0));
}

static boolean_t
do_get_encryption(int fd)
{
        PRTDBG(("do_get_encryption(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_ENCRYPTION, 0));
}

static boolean_t
do_get_wepkeyid(int fd)
{
        PRTDBG(("do_get_wepkeyid(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_WEP_KEY_ID, 0));
}
static boolean_t
do_get_signal(int fd)
{
        PRTDBG(("do_get_signal(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_RSSI, 0));
}

static boolean_t
do_get_radioon(int fd)
{
        PRTDBG(("do_get_radioon(%d)\n", fd));
        return (call_ioctl(fd, WLAN_GET_PARAM, WL_RADIO, 0));
}

/*
 * param has two kinds of forms:
 * 'wepkeyn=*****' (when equalflag == B_TRUE),
 * 'wepkeyn' (when equalflag == B_FALSE)
 */
static boolean_t
param_is_wepkey(char *param, boolean_t equalflag)
{
        if ((equalflag == B_FALSE) &&
            (strcmp(param, "wepkey1") == 0) ||
            (strcmp(param, "wepkey2") == 0) ||
            (strcmp(param, "wepkey3") == 0) ||
            (strcmp(param, "wepkey4") == 0))
                return (B_TRUE);
        else if ((equalflag == B_TRUE) &&
            (strncmp(param, "wepkey1=", strlen("wepkey1="))) == 0 ||
            (strncmp(param, "wepkey2=", strlen("wepkey2="))) == 0 ||
            (strncmp(param, "wepkey3=", strlen("wepkey3="))) == 0 ||
            (strncmp(param, "wepkey4=", strlen("wepkey4="))) == 0)
                return (B_TRUE);
        else
                return (B_FALSE);
}

/*
 * update/add items in the profile
 */
static boolean_t
items_in_profile(aelist_t *cplist, aelist_t *wplist, int argc, char **argv)
{
        int i = 0, j = 0;
        char *param;
        char *pequal;
        const char *wepkey;

        for (i = 0; i < argc; i++) {
                if (param_is_wepkey(argv[i], B_TRUE) == B_TRUE) {
                        wepkey = get_value(argv[i]);
                        if (value_is_valid(WEPKEY, wepkey) == B_FALSE) {
                                (void) fprintf(stderr, gettext("%s: "
                                    "invalid value '%s' for parameter "
                                    "'wepkey'\n"), gExecName, wepkey);
                                return (B_FALSE);
                        }
                        update_aelist(wplist, argv[i]);
                        continue;
                }
                param = safe_strdup(argv[i]);
                pequal = strchr(param, '=');
                if (pequal == NULL) {
                        (void) fprintf(stderr, gettext("%s: "
                            "invalid argument '%s', use "
                            "parameter=value'\n"),
                            gExecName, argv[i]);
                        free(param);
                        return (B_FALSE);
                }

                *pequal++ = '\0';
                for (j = 0; j < N_GS_FUNC; j++) {
                        if (strcmp(param, do_gs_func[j].cmd) == 0) {
                                break;
                        }
                }
                if (j == N_GS_FUNC) {
                        (void) fprintf(stderr, gettext("%s: "
                            "unrecognized parameter '%s'\n"),
                            gExecName, param);
                        free(param);
                        return (B_FALSE);
                }
                if (value_is_valid(do_gs_func[j].index, pequal) ==
                    B_FALSE) {
                        (void) fprintf(stderr, gettext("%s: "
                            "invalid value '%s' for parameter '%s'\n"),
                            gExecName, pequal, param);
                        return (B_FALSE);
                }
                free(param);
                update_aelist(cplist, argv[i]);
        }
        return (B_TRUE);
}

/*
 * do_createprofile: Called when create a profile off-line.
 */
/*ARGSUSED*/
static boolean_t
do_createprofile(int fd, int argc, char **argv)
{
        int i = 0;
        char *pbuf = NULL;
        char *pfbuf = NULL;
        const char *profilename;
        aelist_t *plist_config = NULL, *plist_wepkey = NULL;

        PRTDBG(("do_createprofile(%d, 0x%x)\n", argc, argv));
        if (argc <= 0) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        /*
         * When creating a profile, if the profile name is not specified,
         * the essid is selected as the profile name. the paramters are
         * saved into the section.
         */
        if (strchr(argv[0], '=') == NULL) {
                pfbuf = safe_strdup(argv[0]);
                argc--;
                argv++;
        }
        for (i = 0; i < argc; i++) {
                if (strncmp(argv[i], "essid=", strlen("essid=")) == 0) {
                        break;
                }
        }
        if (i == argc) {
                (void) fprintf(stderr,
                    gettext("%s: "
                    "essid required when creating profile\n"),
                    gExecName);
                goto exit0;
        }
        profilename = (pfbuf ? pfbuf : get_value(argv[i]));
        if (strlen(profilename) == 0) {
                (void) fprintf(stderr,
                    gettext("%s: "
                    "non-empty essid required\n"),
                    gExecName);
                goto exit0;
        }
        /*
         * 'all', '{preference}', '{history}', '{active_profile}'
         * and any string with '[' as start and ']' as end should
         * not be a profile name
         */
        if ((strcasecmp(profilename, "all") == 0) ||
            (strcmp(profilename, WIFI_HISTORY) == 0) ||
            (strcmp(profilename, WIFI_PREFER) == 0) ||
            (strcmp(profilename, WIFI_ACTIVEP) == 0) ||
            ((profilename[0] == '[') &&
            (profilename[strlen(profilename) - 1] == ']'))) {
                (void) fprintf(stderr, gettext("%s: "
                    "'%s' is an invalid profile name\n"),
                    gExecName, profilename);
                goto exit0;
        }
        pbuf = append_pa(profilename);

        PRTDBG(("do_createprofile: profile_name = %s\n", pbuf));
        if ((find_section(gp_config_file, pbuf) != NULL) ||
            find_section(gp_wepkey_file, pbuf) != NULL) {
                (void) fprintf(stderr,
                    gettext("%s: "
                    "profile '%s' already exists\n"),
                    gExecName, profilename);
                goto exit1;
        }
        /*
         * Save each parameters in the profile.
         */
        plist_config = new_ael(PROFILE);
        new_section(gp_config_file, plist_config, pbuf);
        plist_wepkey = new_ael(PROFILE);
        new_section(gp_wepkey_file, plist_wepkey, pbuf);
        free(pfbuf);
        free(pbuf);
        return (items_in_profile(plist_config, plist_wepkey,
            argc, argv));
exit1:
        free(pbuf);
exit0:
        free(pfbuf);
        return (B_FALSE);
}

/*ARGSUSED*/
static boolean_t
do_setprofparam(int fd, int argc, char **argv)
{
        char *pbuf = NULL;
        section_t *psection_config = NULL, *psection_wep = NULL;
        aelist_t *plist_config = NULL, *plist_wepkey = NULL;

        PRTDBG(("do_setprofparam(%d, 0x%x)\n", argc, argv));
        if (argc < 1) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        pbuf = append_pa(argv[0]);

        psection_config = find_section(gp_config_file, pbuf);
        psection_wep = find_section(gp_wepkey_file, pbuf);
        if ((psection_config == NULL) || (psection_wep == NULL)) {
                (void) fprintf(stderr, gettext("%s: "
                    "profile '%s' doesn't exist\n"),
                    gExecName, argv[0]);
                free(pbuf);
                return (B_FALSE);
        }
        free(pbuf);
        /*
         * modify each parameters in the profile.
         */
        plist_config = psection_config->list;
        plist_wepkey = psection_wep->list;
        argc--;
        argv++;
        return (items_in_profile(plist_config, plist_wepkey,
            argc, argv));
}

/*ARGSUSED*/
static boolean_t
do_getprofparam(int fd, int argc, char **argv)
{
        int i = 0, j = 0;
        int flag;
        boolean_t ret = B_TRUE;
        section_t *p_section = NULL;
        aelist_t *plist = NULL;
        ae_t *pae = NULL;
        char *pbuf = NULL;

        PRTDBG(("do_getprofparam(%d, 0x%x)\n", argc, argv));
        if (argc < 1) {
                do_print_usage();
                exit(WIFI_IMPROPER_USE);
        }
        pbuf = append_pa(argv[0]);
        p_section = find_section(gp_config_file, pbuf);
        if (p_section == NULL) {
                (void) fprintf(stderr, gettext("%s: "
                    "profile '%s' doesn't exist\n"),
                    gExecName, argv[0]);
                ret = B_FALSE;
                goto exit0;
        }
        argc--;
        argv++;

        plist = p_section->list;
        assert(plist != NULL);
        /*
         * If no specific parameter typed, we print out all parameters
         */
        if (argc == 0) {
                pae = plist->ael_head;
                while (pae != NULL) {
                        if (pae->ae_arg != NULL) {
                                (void) printf("\t%s\n", pae->ae_arg);
                        }
                        pae = pae->ae_next;
                }
                print_wepkey_info(p_section->section_id, NULL);
                ret = B_TRUE;
                goto exit0;
        }

        /*
         * Match function with do_gs_func[] table, and print its result
         */
        for (i = 0; i < argc; i++) {
                flag = 0;
                for (j = 0; j < N_GS_FUNC; j++) {
                        if (strcmp(argv[i], do_gs_func[j].cmd) == 0) {
                                break;
                        }
                        if (param_is_wepkey(argv[i], B_FALSE) == B_TRUE) {
                                j = WEPKEY;
                                print_wepkey_info(p_section->section_id,
                                    argv[i]);
                                flag++;
                                break;
                        }
                }
                if (j == N_GS_FUNC) {
                        (void) fprintf(stderr,
                            gettext("wificonifg: unrecognized parameter: "
                            "%s\n"), argv[i]);
                        ret = B_FALSE;
                        goto exit0;
                }

                pae = plist->ael_head;
                while ((pae != NULL) && (!flag)) {
                        if ((pae->ae_arg != NULL) &&
                            (strncmp(pae->ae_arg, argv[i],
                            strlen(argv[i])) == 0)) {
                                (void) printf("\t%s\n", pae->ae_arg);
                                flag++;
                        }
                        pae = pae->ae_next;
                }
                if (!flag) {
                        (void) fprintf(stderr, gettext("%s: "
                            "parameter '%s' has not been set in profile %s\n"),
                            gExecName, argv[i], pbuf);
                        ret = B_FALSE;
                        goto exit0;
                }
        }
exit0:
        free(pbuf);
        return (ret);
}

/*
 * Verify whether the value in the parameter=value pair is valid or not.
 * For the channel, since we donot know what kind of wifi card(a,b,or g)
 * is in the system, so we just leave to verify the validity of the value
 * when the value is set to the card.
 * The same goes for the rates.
 */
static boolean_t
value_is_valid(config_item_t item, const char *value)
{
        uint32_t num = 0;
        uint8_t *rates;
        boolean_t ret;

        assert(value != NULL);
        switch (item) {
        case ESSID:
                if (strlen(value) > 32)
                        ret = B_FALSE;
                else
                        ret = B_TRUE;
                break;
        case BSSTYPE:
                if ((strcasecmp(value, "bss") == 0) ||
                    (strcasecmp(value, "ap") == 0) ||
                    (strcasecmp(value, "infrastructure") == 0) ||
                    (strcasecmp(value, "ibss") == 0) ||
                    (strcasecmp(value, "ad-hoc") == 0) ||
                    (strcasecmp(value, "auto") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case CREATEIBSS:
                if ((strcasecmp(value, "yes") == 0) ||
                    (strcasecmp(value, "no") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case AUTHMODE:
                if ((strcasecmp(value, "opensystem") == 0) ||
                    (strcasecmp(value, "shared_key") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case POWERMODE:
                if ((strcasecmp(value, "off") == 0) ||
                    (strcasecmp(value, "mps") == 0) ||
                    (strcasecmp(value, "fast") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case ENCRYPTION:
                if ((strcasecmp(value, "wep") == 0) ||
                    (strcasecmp(value, "none") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case RADIOON:
                if ((strcasecmp(value, "on") == 0) ||
                    (strcasecmp(value, "off") == 0))
                        ret = B_TRUE;
                else
                        ret = B_FALSE;
                break;
        case WEPKEYID:
                ret = is_wepkeyindex_valid(value);
                break;
        case WEPKEY:
                ret = is_wepkey_valid(value, strlen(value));
                break;
        case CHANNEL:
                ret = is_channel_valid(value);
                break;
        case RATES:
                rates = get_rates(value, &num);
                if (rates == NULL) {
                        ret = B_FALSE;
                } else {
                        free(rates);
                        ret = B_TRUE;
                }
                break;
        default:
                ret = B_FALSE;
                break;
        }

        return (ret);
}

/*
 * do_set: Called when set a parameter, the format should be
 * parameter=value.
 */
static boolean_t
do_set(int fd, int argc, char **argv)
{
        int i = 0, j = 0;
        char *param;
        char *pequal;
        char *value;
        boolean_t ret;

        PRTDBG(("do_set(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);
        if (argc <= 0) {
                (void) do_print_support_params(fd);
                ret = B_FALSE;
                goto exit0;
        }
        /*
         * Set each parameters, if one failed, others behind it will
         * not be set
         */
        for (i = 0; i < argc; i++) {
                /*
                 * Separate param and its value, if the user types "param=",
                 * then value will be set to "";if the user types "param",
                 * it is an error.
                 */
                param = safe_strdup(argv[i]);
                pequal = strchr(param, '=');
                value = NULL;
                if (pequal != NULL) {
                        *pequal = '\0';
                        value = pequal + 1;
                } else {
                        (void) fprintf(stderr,
                            gettext("%s: invalid setparam argument "
                            "'%s', use 'parameter=value'\n"),
                            gExecName, argv[i]);
                        free(param);
                        ret = B_FALSE;
                        goto exit0;
                }
                PRTDBG(("do_set: param = \"%s\", value = \"%s\"\n",
                    param, value));
                for (j = 0; j < N_GS_FUNC; j++) {
                        /*
                         * Match each parameters with do_gs_func table,
                         */
                        if (strcmp(param, do_gs_func[j].cmd) == 0)
                                break;
                        if (param_is_wepkey(param, B_FALSE) == B_TRUE) {
                                value = argv[i];
                                j = WEPKEY;
                                break;
                        }
                }
                if (j == N_GS_FUNC) {
                        (void) fprintf(stderr,
                            gettext("%s: unrecognized parameter: "
                            "%s\n"), gExecName, param);
                        free(param);
                        ret  = B_FALSE;
                        goto exit0;
                }

                if (do_gs_func[j].p_do_set_func == NULL) {
                        (void) fprintf(stderr,
                            gettext("%s: parameter '%s' is read-only\n"),
                            gExecName, do_gs_func[j].cmd);
                        free(param);
                        ret = B_FALSE;
                        goto exit0;
                }
                if (do_gs_func[j].p_do_set_func(fd, value)
                    == B_TRUE) {
                        ret = B_TRUE;
                } else {
                        if (gbuf->wldp_result != WL_SUCCESS) {
                                (void) fprintf(stderr,
                                    gettext("%s: "
                                    "failed to set '%s' for "),
                                    gExecName, param);
                                print_error(gbuf->wldp_result);
                        }
                        free(param);
                        ret = B_FALSE;
                        goto exit0;
                }
                free(param);
        }
exit0:
        return (ret);
}

static boolean_t
do_get(int fd, int argc, char **argv)
{
        int i = 0, j = 0, n = 0;
        boolean_t ret = B_TRUE;

        PRTDBG(("do_get(%d, 0x%x)\n", argc, argv));
        assert(fd > 0);
        /*
         * If no specific parameter typed, we print out all parameters
         */
        if (argc <= 0) {
                for (i = 0; i < N_GS_FUNC; i++) {
                        if ((do_gs_func[i].p_do_get_func != NULL) &&
                            (do_gs_func[i].p_do_get_func(fd)
                            == B_TRUE)) {
                                print_gbuf(do_gs_func[i].index);
                                n++;
                        }
                }
                ret = n ? B_TRUE:B_FALSE;
                goto exit0;
        }
        /*
         * Match function with do_gs_func[] table, and print its result
         */
        for (i = 0; i < argc; i++) {
                for (j = 0; j < N_GS_FUNC; j++) {
                        if (strcmp(argv[i], do_gs_func[j].cmd) == 0) {
                                break;
                        }
                        if (param_is_wepkey(argv[i], B_FALSE) == B_TRUE) {
                                j = WEPKEY;
                                break;
                        }
                }
                if (j == N_GS_FUNC) {
                        (void) fprintf(stderr,
                            gettext("wificonifg: unrecognized parameter: "
                            "%s\n"), argv[i]);
                        ret = B_FALSE;
                        goto exit0;
                }
                if (do_gs_func[j].p_do_get_func == NULL) {
                        (void) fprintf(stderr,
                            gettext("%s: parameter '%s' is write-only\n"),
                            gExecName, do_gs_func[j].cmd);
                        ret = B_FALSE;
                        goto exit0;
                }
                if (do_gs_func[j].p_do_get_func(fd) == B_TRUE) {
                        print_gbuf(do_gs_func[j].index);
                        ret = B_TRUE;
                } else {
                        (void) fprintf(stderr,
                            gettext("%s: "
                            "failed to read parameter '%s' : "),
                            gExecName, argv[i]);
                        print_error(gbuf->wldp_result);
                        ret = B_FALSE;
                }
        }
exit0:
        return (ret);
}

/*
 * Only one wificonfig is running at one time.
 * The following wificonfig which tries to be run will return error,
 * and the pid of the process will own the filelock will be printed out.
 */
static pid_t
enter_wifi_lock(int *fd)
{
        int fd0 = -1;
        struct flock lock;

        fd0 = open(WIFI_LOCKF, O_CREAT|O_WRONLY, 0600);
        if (fd0 < 0) {
                (void) fprintf(stderr, gettext("%s: failed to open lockfile"
                    " '"WIFI_LOCKF"': %s\n"), gExecName, strerror(errno));
                exit(WIFI_FATAL_ERR);
        }

        *fd = fd0;
        lock.l_type = F_WRLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = 0;
        lock.l_len = 0;

        if ((fcntl(fd0, F_SETLK, &lock) == -1) &&
            (errno == EAGAIN || errno == EDEADLK)) {
                if (fcntl(fd0, F_GETLK, &lock) == -1) {
                        (void) fprintf(stderr,
                            gettext("%s: enter_filelock"));
                        exit(WIFI_FATAL_ERR);
                }
                (void) fprintf(stderr, gettext("%s:"
                    "enter_filelock:filelock is owned "
                    "by 'process %d'\n"), gExecName, lock.l_pid);
                return (lock.l_pid);
        }

        return (getpid());
}

static void
exit_wifi_lock(int fd)
{
        struct flock lock;

        lock.l_type = F_UNLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = 0;
        lock.l_len = 0;
        if (fcntl(fd, F_SETLK, &lock) == -1) {
                (void) fprintf(stderr, gettext("%s: failed to"
                    " exit_filelock: %s\n"),
                    gExecName, strerror(errno));
        }
        (void) close(fd);
}

int
main(int argc, char **argv)
{
        int i, ret;
        int fddev = -1;
        int c, iflag = 0, rflag = 0, fileonly = 0, readonly = 0;
        int fd;
        char *iname = NULL;
        char *path = NULL;
        extern char *optarg;
        extern int optind;
        char interface[LIFNAMSIZ];
        char file_wifi[MAX_CONFIG_FILE_LENGTH];
        char file_wifiwepkey[MAX_CONFIG_FILE_LENGTH];
        priv_set_t *ppriv;
        wifi_auth_t autht;

        PRTDBG(("main(%d, 0x%x)\n", argc, argv));
        PRTDBG(("uid=%d\n", getuid()));
        PRTDBG(("euid=%d\n", geteuid()));

#ifdef DEBUG
        if (wifi_debug == 1) { /* for debuf purpose only */
                (void) printf("Press RETURN to continue...\n");
                (void) getchar();
        }
#endif
        ret = WIFI_EXIT_DEF;

        (void) setlocale(LC_ALL, "");
        (void) textdomain(TEXT_DOMAIN);

        gExecName = argv[0];

        gbuf = safe_malloc(MAX_BUF_LEN);

        if ((ppriv = priv_str_to_set("basic", ",", NULL)) == NULL) {
                PRTDBG(("main: priviledge init error\n"));
                (void) fprintf(stderr, gettext("%s: "
                    "set priviledge to 'basic' error\n"),
                    gExecName);
                ret = WIFI_FATAL_ERR;
                goto exit0;
        }
        (void) priv_addset(ppriv, PRIV_NET_RAWACCESS);
        (void) priv_addset(ppriv, PRIV_SYS_NET_CONFIG);
        if (setppriv(PRIV_SET, PRIV_PERMITTED, ppriv) == -1) {
                (void) fprintf(stderr, gettext("%s: "
                    "set permitted priviledge: %s\n"),
                    gExecName, strerror(errno));
                ret = WIFI_FATAL_ERR;
                goto exit0;
        }
        if (setppriv(PRIV_SET, PRIV_LIMIT, ppriv) == -1) {
                (void) fprintf(stderr, gettext("%s: "
                    "set limit priviledge: %s\n"),
                    gExecName, strerror(errno));
                ret = WIFI_FATAL_ERR;
                goto exit0;
        }
        if (setppriv(PRIV_SET, PRIV_INHERITABLE, ppriv) == -1) {
                (void) fprintf(stderr, gettext("%s: "
                    "set inherit priviledge: %s\n"),
                    gExecName, strerror(errno));
                ret = WIFI_FATAL_ERR;
                goto exit0;
        }
        if (setppriv(PRIV_SET, PRIV_EFFECTIVE, ppriv) == -1) {
                (void) fprintf(stderr, gettext("%s: "
                    "set effective priviledge: %s\n"),
                    gExecName, strerror(errno));
                ret = WIFI_FATAL_ERR;
                goto exit0;
        }
        priv_freeset(ppriv);

        for (i = 0; i < argc; i++) {
                PRTDBG(("%d\t\t\"%s\"\n", i, argv[i]));
        }

        while ((c = getopt(argc, argv, "i:R:")) != EOF) {
                switch (c) {
                case 'i':
                        if (iflag) {
                                do_print_usage();
                                ret = WIFI_IMPROPER_USE;
                                goto exit0;
                        }
                        iflag = 1;
                        iname = optarg;
                        break;
                case 'R':
                        if (rflag) {
                                do_print_usage();
                                ret = WIFI_IMPROPER_USE;
                                goto exit0;
                        }
                        rflag = 1;
                        path = optarg;
                        break;
                case '?':
                default:
                        do_print_usage();
                        ret = WIFI_IMPROPER_USE;
                        goto exit0;
                }
        }
        argc -= optind;
        argv += optind;

        if (argc <= 0) {
                if (iname) {
                        if ((fddev = open_dev(iname)) == -1) {
                                ret = WIFI_FATAL_ERR;
                                goto exit0;
                        }
                        if (do_print_support_params(fddev) ==
                            B_TRUE)
                                ret = WIFI_EXIT_DEF;
                        else
                                ret = WIFI_FATAL_ERR;
                        goto exit1;
                } else {
                        do_print_usage();
                        ret = WIFI_IMPROPER_USE;
                        goto exit0;
                }
        }

        for (i = 0; i < N_FUNC; i++) {
                if (strcmp(argv[0], do_func[i].cmd) == 0) {
                        autht = ((strcmp(argv[0], "setwepkey") == 0) ||
                            (strcmp(argv[0], "setprofwepkey") == 0)) ?
                            AUTH_WEP:AUTH_OTHER;
                        if (do_func[i].b_auth &&
                            !check_authority(autht)) {
                                ret = WIFI_FATAL_ERR;
                                goto exit0;
                        }
                        if (do_func[i].b_fileonly)
                                fileonly++;
                        if (do_func[i].b_readonly)
                                readonly++;
                        break;
                }
        }
        if (i == N_FUNC) {
                (void) fprintf(stderr, gettext("%s: unrecognized "
                    "subcommand: %s\n"), gExecName, argv[0]);
                do_print_usage();
                ret = WIFI_IMPROPER_USE;
                goto exit0;
        }
        if ((fileonly) && (iname)) {
                do_print_usage();
                ret = WIFI_IMPROPER_USE;
                goto exit0;
        }
        if ((!fileonly) && (!iname)) {
                if (search_interface(interface) != B_TRUE) {
                        (void) fprintf(stderr, gettext("%s: "
                            "failed to find the default wifi interface;"
                            " -i option should be used to specify the "
                            "wifi interface\n"), gExecName);
                        ret = WIFI_FATAL_ERR;
                        goto exit0;
                }
                iname = interface;
        }
        if (iname) {
                if ((fddev = open_dev(iname)) == -1) {
                        ret = WIFI_FATAL_ERR;
                        goto exit0;
                }
        }
        if (rflag) {
                safe_snprintf(file_wifi, sizeof (file_wifi),
                    "%s%s", path, p_file_wifi);
                safe_snprintf(file_wifiwepkey, sizeof (file_wifiwepkey),
                    "%s%s", path, p_file_wifiwepkey);
        } else {
                safe_snprintf(file_wifi, sizeof (file_wifi),
                    "%s", p_file_wifi);
                safe_snprintf(file_wifiwepkey, sizeof (file_wifiwepkey),
                    "%s", p_file_wifiwepkey);
        }
        /*
         * There is an occasion when more than one wificonfig processes
         * which attempt to write the <wifi> and <wifiwepkey> files are
         * running. We must be able to avoid this.
         * We use file lock here to implement this.
         */
        if ((!readonly) && (enter_wifi_lock(&fd) != getpid())) {
                ret = WIFI_FATAL_ERR;
                goto exit1;
        }
        gp_config_file = parse_file(file_wifi);
        if (gp_config_file == NULL) {
                ret = WIFI_FATAL_ERR;
                goto exit2;
        }

        gp_wepkey_file = parse_file(file_wifiwepkey);
        if (gp_wepkey_file == NULL) {
                destroy_config(gp_config_file);
                ret = WIFI_FATAL_ERR;
                goto exit2;
        }
        if (do_func[i].p_do_func(fddev, argc-1, argv+1)
            == B_TRUE) {
                /*
                 * can not write file when startconfing
                 * during boot
                 */
                if (do_func[i].b_readonly)
                        ret = WIFI_EXIT_DEF;
                else if ((fprint_config_file(gp_config_file,
                    file_wifi) != B_TRUE) ||
                    (fprint_config_file(gp_wepkey_file,
                    file_wifiwepkey) != B_TRUE))
                        ret = WIFI_FATAL_ERR;
                else
                        ret = WIFI_EXIT_DEF;
        } else {
                PRTDBG(("Command %s failed\n", argv[0]));
                ret = WIFI_FATAL_ERR;
        }
        destroy_config(gp_wepkey_file);
        destroy_config(gp_config_file);
exit2:
        if (!readonly)
                exit_wifi_lock(fd);
exit1:
        if (iname)
                (void) close(fddev);
exit0:
        free(gbuf);
        return (ret);
}

#ifdef DEBUG
static void
wifi_dbgprintf(char *fmt, ...)
{
        va_list ap;
        va_start(ap, fmt);
        (void) vfprintf(stdout, fmt, ap);
        va_end(ap);
}
#endif