/*
 * 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.
 */

/*
 * Helper functions for standalone functionality
 */

#include <assert.h>
#include <libintl.h>
#include <strings.h>
#include "ns_sldap.h"
#include "ns_internal.h"

ns_standalone_conf_t standaloneDefaults =
            { {NULL,            /* A directory server's IP/name. No default. */
            0,                  /* A directory server's port. No default. */
            NULL,               /* A domain name. */
                                /* libsldap uses its own default. */
            "default",          /* A DUAProfile's name. */
            NULL,               /* Authentication information used. */
                                /* If not specified by the user, */
                                /* libsldap will use its own data */
            NULL,               /* A credential level to be used */
                                /* along with the authentication info. */
                                /* See the previous comment. */
            NSLDAPDIRECTORY,    /* The default path to */
                                /* the certificate database. */
            NULL,               /* A bind DN to be used during */
                                /* subsequent LDAP Bind requests */
            NULL},              /* A bind password to be used during */
                                /* subsequent LDAP Bind requests */
            NS_CACHEMGR};       /* If the -H option is not given, libsldap */
                                /* will obtain all the configuration */
                                /* information from ldap_cachemgr. */

int
separatePort(char *peer, char **name, uint16_t *port)
{
        char    *chr, *portStr = NULL;

        chr = strchr(peer, '[');
        if (chr != NULL) {
                /* An IPv6 address */
                *name = chr + 1;

                chr = strchr(peer, ']');
                if (chr == NULL) {
                        (void) fprintf(stderr,
                            gettext("Server address is wrong: "
                            "unbalanced [\n"));
                        return (1);
                }

                *chr++ = '\0';

                chr = strchr(chr, ':');
                if (chr != NULL && *(chr + 1) != '\0') {
                        portStr = chr + 1;
                }
        } else {
                /* An IPv4 address */
                chr = strchr(peer, ']');
                if (chr != NULL) {
                        (void) fprintf(stderr,
                            gettext("Server address is wrong: "
                            "unbalanced ]\n"));
                        return (1);
                }

                chr = strchr(peer, ':');
                if (chr != NULL && *(chr + 1) != '\0') {
                        *chr++ = '\0';
                        portStr = chr;
                }

                *name = peer;
        }

        if ((*name)[0] == '\0') {
                (void) fprintf(stderr,
                    gettext("Server address or name must be"
                    " specified.\n"));
                return (1);
        }

        if (portStr && sscanf(portStr, "%hu", port) != 1) {
                (void) fprintf(stderr,
                    gettext("Server port is wrong. "
                    "The default port 389/636 "
                    "will be used.\n"));
        }
        return (0);
}

char *
readPwd(char *pwd_file)
{
        FILE    *f;
        char    *pwd;
        char    passwdBuf[BUFSIZE];

        if ((f = fopen(pwd_file, "r")) == NULL) {
                (void) fprintf(stderr,
                    gettext("Unable to open '%s' file\n"), pwd_file);
                return (NULL);
        }
        if (fgets(passwdBuf, BUFSIZE, f) == NULL) {
                (void) fprintf(stderr,
                    gettext("Unable to read '%s' file\n"), pwd_file);
                (void) fclose(f);
                return (NULL);
        }

        (void) fclose(f);

        if (passwdBuf[strlen(passwdBuf) - 1] == '\n') {
                passwdBuf[strlen(passwdBuf) - 1] = '\0';
        }
        if ((pwd = strdup(passwdBuf)) == NULL) {
                (void) fprintf(stderr,
                    gettext("Memory allocation error\n"));
                return (NULL);
        }

        return (pwd);
}