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/*-
* Copyright (c) 2004 Free (Olivier Beyssac)
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "options.h"
#include "utils.h"
#include "parse_args.h"
extern struct options opt;
/* Search if we have a particular config file to use */
extern void parse_args_for_config_file(int argc, char **argv)
{
int i;
for (i = 1; i < argc - 1; i++)
if (!strcmp(argv[i], "-f")) {
opt.config_file = argv[i+1];
return;
}
}
/* Parse arguments and fill global options */
/* Return:
- -1 if error and must exit with code 1,
- 0 if success and must exit with usage printing and code 0,
- 1 if success and must continue.
Exits with -v option */
/* FIXME: use getopt(3)? */
extern int parse_args(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
if (!strcmp(argv[i], "-n"))
opt.daemon = 0;
else if (i < argc - 1 && !strcmp(argv[i], "-a")) {
printf("Warning, -a option might be insecure, depending on your environment!\n");
printf("Use at your own risk! Please see the README file or bld(8).\n");
opt.listening_ip = argv[++i];
} else if (i < argc - 1 && !strcmp(argv[i], "-p"))
opt.port = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-I"))
opt.wl_filename = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-B"))
opt.bl_filename = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-P"))
opt.pid_filename = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-A"))
opt.acl_filename = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-W"))
opt.whitelist_filename = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-u"))
opt.uid = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-g"))
opt.gid = argv[++i];
else if (i < argc - 1 && !strcmp(argv[i], "-l")) {
if ((opt.log_level = xstrtol(argv[++i])) < 0) {
fprintf(stderr, "%s: Invalid log level: %s\n", opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-t")) {
opt.interval = xstrtol(argv[++i]);
if (!options_check(INTERVAL_CHK, opt.interval)) {
fprintf(stderr, "%s: Invalid interval: %s\n", opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-m")) {
opt.max_req = xstrtol(argv[++i]);
if (!options_check(MAX_REQ_CHK, opt.max_req)) {
fprintf(stderr, "%s: Invalid value for max requests: %s\n",
opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-i")) {
opt.list_size = xstrtol(argv[++i]);
if (!options_check(LIST_SIZE_CHK, opt.list_size)) {
fprintf(stderr, "%s: Invalid IP list size: %s\n",
opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-b")) {
opt.blacklist_size = xstrtol(argv[++i]);
if (!options_check(BLACKLIST_SIZE_CHK, opt.blacklist_size)) {
fprintf(stderr, "%s: Invalid blacklist size: %s\n",
opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-e")) {
opt.blacklist_expiration = xstrtol(argv[++i]);
if (!options_check(BLACKLIST_EXPIRATION_CHK,
opt.blacklist_expiration)) {
fprintf(stderr, "%s: Invalid blacklist expiration: %s\n",
opt.progname, argv[i]);
return -1;
}
} else if (i < argc - 1 && !strcmp(argv[i], "-T")) {
opt.client_timeout = xstrtol(argv[++i]);
if (!options_check(CLIENT_TIMEOUT_CHK, opt.client_timeout)) {
fprintf(stderr, "%s: Invalid client timeout: %s\n",
opt.progname, argv[i]);
return -1;
}
} else if (!strcmp(argv[i], "-h")) {
return 0;
} else if (!strcmp(argv[i], "-v")){
printf("%s %s\n", PROGNAME, PROGRAM_VERSION);
exit(EXIT_SUCCESS);
} else if (!strcmp(argv[i], "-f")) {
i++;
} else {
fprintf(stderr, "%s: Invalid option: %s\n", opt.progname, argv[i]);
return -1;
}
return 1;
}
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