/*
 * rconfig - Remote configurator
 *
 *      rconfig [-W workingdir] [server_ip[:tag]]
 *      rconfig [-f configfile] -s
 *
 * Copyright (c) 2003,2004 The DragonFly Project.  All rights reserved.
 *
 * This code is derived from software contributed to The DragonFly Project
 * by Matthew Dillon <dillon@backplane.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of The DragonFly Project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific, prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#include "defs.h"

const char *WorkDir = "/tmp";
const char *ConfigFiles = "/etc/defaults/rconfig.conf:/etc/rconfig.conf";
const char *TagDir = "/usr/local/etc/rconfig";
tag_t AddrBase;
tag_t VarBase;
int VerboseOpt;

static void usage(int code);
static void addTag(tag_t *basep, const char *tag, int flags);

int
main(int ac, char **av)
{
    int ch;
    int i;
    int serverMode = 0;

    while ((ch = getopt(ac, av, "aW:T:C:sv")) != -1) {
        switch(ch) {
        case 'a':       /* auto tag / standard broadcast */
            addTag(&AddrBase, NULL, 0);
            break;
        case 'W':       /* specify working directory */
            WorkDir = optarg;
            break;
        case 'T':
            TagDir = optarg;
            break;
        case 'C':       /* specify server config file(s) (colon delimited) */
            ConfigFiles = optarg;
            break;
        case 's':       /* run as server using config file */
            serverMode = 1;
            break;
        case 'v':
            VerboseOpt = 1;
            break;
        default:
            usage(1);
            /* not reached */
        }
    }
    for (i = optind; i < ac; ++i) {
        if (strchr(av[i], '='))
            addTag(&VarBase, av[i], 0);
        else
            addTag(&AddrBase, av[i], 0);
    }
    if (AddrBase == NULL)
        usage(1);
    if (AddrBase && AddrBase->name == NULL && AddrBase->next) {
        fprintf(stderr,
                "You cannot specify both -a AND a list of hosts.  If you want\n"
                "to use auto-broadcast mode with a tag other than 'auto',\n"
                "just specify the tag without a host, e.g. ':<tag>'\n");
        exit(1);
    }
    if (serverMode)
        doServer();
    else
        doClient();
    return(0);
}

static
void
addTag(tag_t *basep, const char *name, int flags)
{
    tag_t tag = calloc(1, sizeof(struct tag));

    while ((*basep) != NULL)
        basep = &(*basep)->next;

    tag->name = name;
    tag->flags = flags;
    *basep = tag;
}

static void
usage(int code)
{
    fprintf(stderr,
            "rconfig [-a] [-v] [-W workdir] [host[:tag] ...]\n"
            "rconfig -s [-C configfiles] [-W workdir] [-T tagdir] "
                "[-v] [bind_address ...]\n");
    exit(code);
}