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openggsn/ggsn/cmdline.c

1073 lines
35 KiB
C

/*
File autogenerated by gengetopt version 2.17
generated with the following command:
gengetopt --conf-parser
The developers of gengetopt consider the fixed text that goes in all
gengetopt output files to be in the public domain:
we make no copyright claims on it.
*/
/* If we use autoconf. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt.h"
#include "cmdline.h"
const char *gengetopt_args_info_purpose = "";
const char *gengetopt_args_info_usage = "Usage: " CMDLINE_PARSER_PACKAGE " [OPTIONS]...";
const char *gengetopt_args_info_help[] = {
" -h, --help Print help and exit",
" -V, --version Print version and exit",
" -f, --fg Run in foreground (default=off)",
" -d, --debug Run in debug mode (default=off)",
" -c, --conf=STRING Read configuration file (default=`/etc/ggsn.conf')",
" --pidfile=STRING Filename of process id file \n (default=`/var/run/ggsn.pid')",
" --statedir=STRING Directory of nonvolatile data \n (default=`/var/lib/ggsn/')",
" -l, --listen=STRING Local interface",
" -n, --net=STRING Network (default=`192.168.0.0/24')",
" --ipup=STRING Script to run after link-up",
" --ipdown=STRING Script to run after link-down",
" --dynip=STRING Dynamic IP address pool",
" --statip=STRING Static IP address pool",
" --pcodns1=STRING PCO DNS Server 1 (default=`0.0.0.0')",
" --pcodns2=STRING PCO DNS Server 2 (default=`0.0.0.0')",
" --timelimit=INT Exit after timelimit seconds (default=`0')",
" -a, --apn=STRING Access point name (default=`internet')",
" -q, --qos=INT Requested quality of service (default=`0x0b921f')",
0
};
static
void clear_given (struct gengetopt_args_info *args_info);
static
void clear_args (struct gengetopt_args_info *args_info);
static int
cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required, const char *additional_error);
struct line_list
{
char * string_arg;
struct line_list * next;
};
static struct line_list *cmd_line_list = 0;
static struct line_list *cmd_line_list_tmp = 0;
static void
free_cmd_list(void)
{
/* free the list of a previous call */
if (cmd_line_list)
{
while (cmd_line_list) {
cmd_line_list_tmp = cmd_line_list;
cmd_line_list = cmd_line_list->next;
free (cmd_line_list_tmp->string_arg);
free (cmd_line_list_tmp);
}
}
}
static char *
gengetopt_strdup (const char *s);
static
void clear_given (struct gengetopt_args_info *args_info)
{
args_info->help_given = 0 ;
args_info->version_given = 0 ;
args_info->fg_given = 0 ;
args_info->debug_given = 0 ;
args_info->conf_given = 0 ;
args_info->pidfile_given = 0 ;
args_info->statedir_given = 0 ;
args_info->listen_given = 0 ;
args_info->net_given = 0 ;
args_info->ipup_given = 0 ;
args_info->ipdown_given = 0 ;
args_info->dynip_given = 0 ;
args_info->statip_given = 0 ;
args_info->pcodns1_given = 0 ;
args_info->pcodns2_given = 0 ;
args_info->timelimit_given = 0 ;
args_info->apn_given = 0 ;
args_info->qos_given = 0 ;
}
static
void clear_args (struct gengetopt_args_info *args_info)
{
args_info->fg_flag = 0;
args_info->debug_flag = 0;
args_info->conf_arg = gengetopt_strdup ("/etc/ggsn.conf");
args_info->conf_orig = NULL;
args_info->pidfile_arg = gengetopt_strdup ("/var/run/ggsn.pid");
args_info->pidfile_orig = NULL;
args_info->statedir_arg = gengetopt_strdup ("/var/lib/ggsn/");
args_info->statedir_orig = NULL;
args_info->listen_arg = NULL;
args_info->listen_orig = NULL;
args_info->net_arg = gengetopt_strdup ("192.168.0.0/24");
args_info->net_orig = NULL;
args_info->ipup_arg = NULL;
args_info->ipup_orig = NULL;
args_info->ipdown_arg = NULL;
args_info->ipdown_orig = NULL;
args_info->dynip_arg = NULL;
args_info->dynip_orig = NULL;
args_info->statip_arg = NULL;
args_info->statip_orig = NULL;
args_info->pcodns1_arg = gengetopt_strdup ("0.0.0.0");
args_info->pcodns1_orig = NULL;
args_info->pcodns2_arg = gengetopt_strdup ("0.0.0.0");
args_info->pcodns2_orig = NULL;
args_info->timelimit_arg = 0;
args_info->timelimit_orig = NULL;
args_info->apn_arg = gengetopt_strdup ("internet");
args_info->apn_orig = NULL;
args_info->qos_arg = 0x0b921f;
args_info->qos_orig = NULL;
}
static
void init_args_info(struct gengetopt_args_info *args_info)
{
args_info->help_help = gengetopt_args_info_help[0] ;
args_info->version_help = gengetopt_args_info_help[1] ;
args_info->fg_help = gengetopt_args_info_help[2] ;
args_info->debug_help = gengetopt_args_info_help[3] ;
args_info->conf_help = gengetopt_args_info_help[4] ;
args_info->pidfile_help = gengetopt_args_info_help[5] ;
args_info->statedir_help = gengetopt_args_info_help[6] ;
args_info->listen_help = gengetopt_args_info_help[7] ;
args_info->net_help = gengetopt_args_info_help[8] ;
args_info->ipup_help = gengetopt_args_info_help[9] ;
args_info->ipdown_help = gengetopt_args_info_help[10] ;
args_info->dynip_help = gengetopt_args_info_help[11] ;
args_info->statip_help = gengetopt_args_info_help[12] ;
args_info->pcodns1_help = gengetopt_args_info_help[13] ;
args_info->pcodns2_help = gengetopt_args_info_help[14] ;
args_info->timelimit_help = gengetopt_args_info_help[15] ;
args_info->apn_help = gengetopt_args_info_help[16] ;
args_info->qos_help = gengetopt_args_info_help[17] ;
}
void
cmdline_parser_print_version (void)
{
printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
}
void
cmdline_parser_print_help (void)
{
int i = 0;
cmdline_parser_print_version ();
if (strlen(gengetopt_args_info_purpose) > 0)
printf("\n%s\n", gengetopt_args_info_purpose);
printf("\n%s\n\n", gengetopt_args_info_usage);
while (gengetopt_args_info_help[i])
printf("%s\n", gengetopt_args_info_help[i++]);
}
void
cmdline_parser_init (struct gengetopt_args_info *args_info)
{
clear_given (args_info);
clear_args (args_info);
init_args_info (args_info);
}
static void
cmdline_parser_release (struct gengetopt_args_info *args_info)
{
if (args_info->conf_arg)
{
free (args_info->conf_arg); /* free previous argument */
args_info->conf_arg = 0;
}
if (args_info->conf_orig)
{
free (args_info->conf_orig); /* free previous argument */
args_info->conf_orig = 0;
}
if (args_info->pidfile_arg)
{
free (args_info->pidfile_arg); /* free previous argument */
args_info->pidfile_arg = 0;
}
if (args_info->pidfile_orig)
{
free (args_info->pidfile_orig); /* free previous argument */
args_info->pidfile_orig = 0;
}
if (args_info->statedir_arg)
{
free (args_info->statedir_arg); /* free previous argument */
args_info->statedir_arg = 0;
}
if (args_info->statedir_orig)
{
free (args_info->statedir_orig); /* free previous argument */
args_info->statedir_orig = 0;
}
if (args_info->listen_arg)
{
free (args_info->listen_arg); /* free previous argument */
args_info->listen_arg = 0;
}
if (args_info->listen_orig)
{
free (args_info->listen_orig); /* free previous argument */
args_info->listen_orig = 0;
}
if (args_info->net_arg)
{
free (args_info->net_arg); /* free previous argument */
args_info->net_arg = 0;
}
if (args_info->net_orig)
{
free (args_info->net_orig); /* free previous argument */
args_info->net_orig = 0;
}
if (args_info->ipup_arg)
{
free (args_info->ipup_arg); /* free previous argument */
args_info->ipup_arg = 0;
}
if (args_info->ipup_orig)
{
free (args_info->ipup_orig); /* free previous argument */
args_info->ipup_orig = 0;
}
if (args_info->ipdown_arg)
{
free (args_info->ipdown_arg); /* free previous argument */
args_info->ipdown_arg = 0;
}
if (args_info->ipdown_orig)
{
free (args_info->ipdown_orig); /* free previous argument */
args_info->ipdown_orig = 0;
}
if (args_info->dynip_arg)
{
free (args_info->dynip_arg); /* free previous argument */
args_info->dynip_arg = 0;
}
if (args_info->dynip_orig)
{
free (args_info->dynip_orig); /* free previous argument */
args_info->dynip_orig = 0;
}
if (args_info->statip_arg)
{
free (args_info->statip_arg); /* free previous argument */
args_info->statip_arg = 0;
}
if (args_info->statip_orig)
{
free (args_info->statip_orig); /* free previous argument */
args_info->statip_orig = 0;
}
if (args_info->pcodns1_arg)
{
free (args_info->pcodns1_arg); /* free previous argument */
args_info->pcodns1_arg = 0;
}
if (args_info->pcodns1_orig)
{
free (args_info->pcodns1_orig); /* free previous argument */
args_info->pcodns1_orig = 0;
}
if (args_info->pcodns2_arg)
{
free (args_info->pcodns2_arg); /* free previous argument */
args_info->pcodns2_arg = 0;
}
if (args_info->pcodns2_orig)
{
free (args_info->pcodns2_orig); /* free previous argument */
args_info->pcodns2_orig = 0;
}
if (args_info->timelimit_orig)
{
free (args_info->timelimit_orig); /* free previous argument */
args_info->timelimit_orig = 0;
}
if (args_info->apn_arg)
{
free (args_info->apn_arg); /* free previous argument */
args_info->apn_arg = 0;
}
if (args_info->apn_orig)
{
free (args_info->apn_orig); /* free previous argument */
args_info->apn_orig = 0;
}
if (args_info->qos_orig)
{
free (args_info->qos_orig); /* free previous argument */
args_info->qos_orig = 0;
}
clear_given (args_info);
}
int
cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
{
FILE *outfile;
int i = 0;
outfile = fopen(filename, "w");
if (!outfile)
{
fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
return EXIT_FAILURE;
}
if (args_info->help_given) {
fprintf(outfile, "%s\n", "help");
}
if (args_info->version_given) {
fprintf(outfile, "%s\n", "version");
}
if (args_info->fg_given) {
fprintf(outfile, "%s\n", "fg");
}
if (args_info->debug_given) {
fprintf(outfile, "%s\n", "debug");
}
if (args_info->conf_given) {
if (args_info->conf_orig) {
fprintf(outfile, "%s=\"%s\"\n", "conf", args_info->conf_orig);
} else {
fprintf(outfile, "%s\n", "conf");
}
}
if (args_info->pidfile_given) {
if (args_info->pidfile_orig) {
fprintf(outfile, "%s=\"%s\"\n", "pidfile", args_info->pidfile_orig);
} else {
fprintf(outfile, "%s\n", "pidfile");
}
}
if (args_info->statedir_given) {
if (args_info->statedir_orig) {
fprintf(outfile, "%s=\"%s\"\n", "statedir", args_info->statedir_orig);
} else {
fprintf(outfile, "%s\n", "statedir");
}
}
if (args_info->listen_given) {
if (args_info->listen_orig) {
fprintf(outfile, "%s=\"%s\"\n", "listen", args_info->listen_orig);
} else {
fprintf(outfile, "%s\n", "listen");
}
}
if (args_info->net_given) {
if (args_info->net_orig) {
fprintf(outfile, "%s=\"%s\"\n", "net", args_info->net_orig);
} else {
fprintf(outfile, "%s\n", "net");
}
}
if (args_info->ipup_given) {
if (args_info->ipup_orig) {
fprintf(outfile, "%s=\"%s\"\n", "ipup", args_info->ipup_orig);
} else {
fprintf(outfile, "%s\n", "ipup");
}
}
if (args_info->ipdown_given) {
if (args_info->ipdown_orig) {
fprintf(outfile, "%s=\"%s\"\n", "ipdown", args_info->ipdown_orig);
} else {
fprintf(outfile, "%s\n", "ipdown");
}
}
if (args_info->dynip_given) {
if (args_info->dynip_orig) {
fprintf(outfile, "%s=\"%s\"\n", "dynip", args_info->dynip_orig);
} else {
fprintf(outfile, "%s\n", "dynip");
}
}
if (args_info->statip_given) {
if (args_info->statip_orig) {
fprintf(outfile, "%s=\"%s\"\n", "statip", args_info->statip_orig);
} else {
fprintf(outfile, "%s\n", "statip");
}
}
if (args_info->pcodns1_given) {
if (args_info->pcodns1_orig) {
fprintf(outfile, "%s=\"%s\"\n", "pcodns1", args_info->pcodns1_orig);
} else {
fprintf(outfile, "%s\n", "pcodns1");
}
}
if (args_info->pcodns2_given) {
if (args_info->pcodns2_orig) {
fprintf(outfile, "%s=\"%s\"\n", "pcodns2", args_info->pcodns2_orig);
} else {
fprintf(outfile, "%s\n", "pcodns2");
}
}
if (args_info->timelimit_given) {
if (args_info->timelimit_orig) {
fprintf(outfile, "%s=\"%s\"\n", "timelimit", args_info->timelimit_orig);
} else {
fprintf(outfile, "%s\n", "timelimit");
}
}
if (args_info->apn_given) {
if (args_info->apn_orig) {
fprintf(outfile, "%s=\"%s\"\n", "apn", args_info->apn_orig);
} else {
fprintf(outfile, "%s\n", "apn");
}
}
if (args_info->qos_given) {
if (args_info->qos_orig) {
fprintf(outfile, "%s=\"%s\"\n", "qos", args_info->qos_orig);
} else {
fprintf(outfile, "%s\n", "qos");
}
}
fclose (outfile);
i = EXIT_SUCCESS;
return i;
}
void
cmdline_parser_free (struct gengetopt_args_info *args_info)
{
cmdline_parser_release (args_info);
}
/* gengetopt_strdup() */
/* strdup.c replacement of strdup, which is not standard */
char *
gengetopt_strdup (const char *s)
{
char *result = NULL;
if (!s)
return result;
result = (char*)malloc(strlen(s) + 1);
if (result == (char*)0)
return (char*)0;
strcpy(result, s);
return result;
}
int
cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
{
return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}
int
cmdline_parser2 (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
int result;
result = cmdline_parser_internal (argc, argv, args_info, override, initialize, check_required, NULL);
if (result == EXIT_FAILURE)
{
cmdline_parser_free (args_info);
exit (EXIT_FAILURE);
}
return result;
}
int
cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
{
return EXIT_SUCCESS;
}
int
cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required, const char *additional_error)
{
int c; /* Character of the parsed option. */
int error = 0;
struct gengetopt_args_info local_args_info;
if (initialize)
cmdline_parser_init (args_info);
cmdline_parser_init (&local_args_info);
optarg = 0;
optind = 0;
opterr = 1;
optopt = '?';
while (1)
{
int option_index = 0;
char *stop_char;
static struct option long_options[] = {
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'V' },
{ "fg", 0, NULL, 'f' },
{ "debug", 0, NULL, 'd' },
{ "conf", 1, NULL, 'c' },
{ "pidfile", 1, NULL, 0 },
{ "statedir", 1, NULL, 0 },
{ "listen", 1, NULL, 'l' },
{ "net", 1, NULL, 'n' },
{ "ipup", 1, NULL, 0 },
{ "ipdown", 1, NULL, 0 },
{ "dynip", 1, NULL, 0 },
{ "statip", 1, NULL, 0 },
{ "pcodns1", 1, NULL, 0 },
{ "pcodns2", 1, NULL, 0 },
{ "timelimit", 1, NULL, 0 },
{ "apn", 1, NULL, 'a' },
{ "qos", 1, NULL, 'q' },
{ NULL, 0, NULL, 0 }
};
stop_char = 0;
c = getopt_long (argc, argv, "hVfdc:l:n:a:q:", long_options, &option_index);
if (c == -1) break; /* Exit from `while (1)' loop. */
switch (c)
{
case 'h': /* Print help and exit. */
cmdline_parser_print_help ();
cmdline_parser_free (&local_args_info);
exit (EXIT_SUCCESS);
case 'V': /* Print version and exit. */
cmdline_parser_print_version ();
cmdline_parser_free (&local_args_info);
exit (EXIT_SUCCESS);
case 'f': /* Run in foreground. */
if (local_args_info.fg_given)
{
fprintf (stderr, "%s: `--fg' (`-f') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->fg_given && ! override)
continue;
local_args_info.fg_given = 1;
args_info->fg_given = 1;
args_info->fg_flag = !(args_info->fg_flag);
break;
case 'd': /* Run in debug mode. */
if (local_args_info.debug_given)
{
fprintf (stderr, "%s: `--debug' (`-d') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->debug_given && ! override)
continue;
local_args_info.debug_given = 1;
args_info->debug_given = 1;
args_info->debug_flag = !(args_info->debug_flag);
break;
case 'c': /* Read configuration file. */
if (local_args_info.conf_given)
{
fprintf (stderr, "%s: `--conf' (`-c') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->conf_given && ! override)
continue;
local_args_info.conf_given = 1;
args_info->conf_given = 1;
if (args_info->conf_arg)
free (args_info->conf_arg); /* free previous string */
args_info->conf_arg = gengetopt_strdup (optarg);
if (args_info->conf_orig)
free (args_info->conf_orig); /* free previous string */
args_info->conf_orig = gengetopt_strdup (optarg);
break;
case 'l': /* Local interface. */
if (local_args_info.listen_given)
{
fprintf (stderr, "%s: `--listen' (`-l') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->listen_given && ! override)
continue;
local_args_info.listen_given = 1;
args_info->listen_given = 1;
if (args_info->listen_arg)
free (args_info->listen_arg); /* free previous string */
args_info->listen_arg = gengetopt_strdup (optarg);
if (args_info->listen_orig)
free (args_info->listen_orig); /* free previous string */
args_info->listen_orig = gengetopt_strdup (optarg);
break;
case 'n': /* Network. */
if (local_args_info.net_given)
{
fprintf (stderr, "%s: `--net' (`-n') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->net_given && ! override)
continue;
local_args_info.net_given = 1;
args_info->net_given = 1;
if (args_info->net_arg)
free (args_info->net_arg); /* free previous string */
args_info->net_arg = gengetopt_strdup (optarg);
if (args_info->net_orig)
free (args_info->net_orig); /* free previous string */
args_info->net_orig = gengetopt_strdup (optarg);
break;
case 'a': /* Access point name. */
if (local_args_info.apn_given)
{
fprintf (stderr, "%s: `--apn' (`-a') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->apn_given && ! override)
continue;
local_args_info.apn_given = 1;
args_info->apn_given = 1;
if (args_info->apn_arg)
free (args_info->apn_arg); /* free previous string */
args_info->apn_arg = gengetopt_strdup (optarg);
if (args_info->apn_orig)
free (args_info->apn_orig); /* free previous string */
args_info->apn_orig = gengetopt_strdup (optarg);
break;
case 'q': /* Requested quality of service. */
if (local_args_info.qos_given)
{
fprintf (stderr, "%s: `--qos' (`-q') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->qos_given && ! override)
continue;
local_args_info.qos_given = 1;
args_info->qos_given = 1;
args_info->qos_arg = strtol (optarg, &stop_char, 0);
if (!(stop_char && *stop_char == '\0')) {
fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
goto failure;
}
if (args_info->qos_orig)
free (args_info->qos_orig); /* free previous string */
args_info->qos_orig = gengetopt_strdup (optarg);
break;
case 0: /* Long option with no short option */
/* Filename of process id file. */
if (strcmp (long_options[option_index].name, "pidfile") == 0)
{
if (local_args_info.pidfile_given)
{
fprintf (stderr, "%s: `--pidfile' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->pidfile_given && ! override)
continue;
local_args_info.pidfile_given = 1;
args_info->pidfile_given = 1;
if (args_info->pidfile_arg)
free (args_info->pidfile_arg); /* free previous string */
args_info->pidfile_arg = gengetopt_strdup (optarg);
if (args_info->pidfile_orig)
free (args_info->pidfile_orig); /* free previous string */
args_info->pidfile_orig = gengetopt_strdup (optarg);
}
/* Directory of nonvolatile data. */
else if (strcmp (long_options[option_index].name, "statedir") == 0)
{
if (local_args_info.statedir_given)
{
fprintf (stderr, "%s: `--statedir' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->statedir_given && ! override)
continue;
local_args_info.statedir_given = 1;
args_info->statedir_given = 1;
if (args_info->statedir_arg)
free (args_info->statedir_arg); /* free previous string */
args_info->statedir_arg = gengetopt_strdup (optarg);
if (args_info->statedir_orig)
free (args_info->statedir_orig); /* free previous string */
args_info->statedir_orig = gengetopt_strdup (optarg);
}
/* Script to run after link-up. */
else if (strcmp (long_options[option_index].name, "ipup") == 0)
{
if (local_args_info.ipup_given)
{
fprintf (stderr, "%s: `--ipup' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->ipup_given && ! override)
continue;
local_args_info.ipup_given = 1;
args_info->ipup_given = 1;
if (args_info->ipup_arg)
free (args_info->ipup_arg); /* free previous string */
args_info->ipup_arg = gengetopt_strdup (optarg);
if (args_info->ipup_orig)
free (args_info->ipup_orig); /* free previous string */
args_info->ipup_orig = gengetopt_strdup (optarg);
}
/* Script to run after link-down. */
else if (strcmp (long_options[option_index].name, "ipdown") == 0)
{
if (local_args_info.ipdown_given)
{
fprintf (stderr, "%s: `--ipdown' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->ipdown_given && ! override)
continue;
local_args_info.ipdown_given = 1;
args_info->ipdown_given = 1;
if (args_info->ipdown_arg)
free (args_info->ipdown_arg); /* free previous string */
args_info->ipdown_arg = gengetopt_strdup (optarg);
if (args_info->ipdown_orig)
free (args_info->ipdown_orig); /* free previous string */
args_info->ipdown_orig = gengetopt_strdup (optarg);
}
/* Dynamic IP address pool. */
else if (strcmp (long_options[option_index].name, "dynip") == 0)
{
if (local_args_info.dynip_given)
{
fprintf (stderr, "%s: `--dynip' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->dynip_given && ! override)
continue;
local_args_info.dynip_given = 1;
args_info->dynip_given = 1;
if (args_info->dynip_arg)
free (args_info->dynip_arg); /* free previous string */
args_info->dynip_arg = gengetopt_strdup (optarg);
if (args_info->dynip_orig)
free (args_info->dynip_orig); /* free previous string */
args_info->dynip_orig = gengetopt_strdup (optarg);
}
/* Static IP address pool. */
else if (strcmp (long_options[option_index].name, "statip") == 0)
{
if (local_args_info.statip_given)
{
fprintf (stderr, "%s: `--statip' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->statip_given && ! override)
continue;
local_args_info.statip_given = 1;
args_info->statip_given = 1;
if (args_info->statip_arg)
free (args_info->statip_arg); /* free previous string */
args_info->statip_arg = gengetopt_strdup (optarg);
if (args_info->statip_orig)
free (args_info->statip_orig); /* free previous string */
args_info->statip_orig = gengetopt_strdup (optarg);
}
/* PCO DNS Server 1. */
else if (strcmp (long_options[option_index].name, "pcodns1") == 0)
{
if (local_args_info.pcodns1_given)
{
fprintf (stderr, "%s: `--pcodns1' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->pcodns1_given && ! override)
continue;
local_args_info.pcodns1_given = 1;
args_info->pcodns1_given = 1;
if (args_info->pcodns1_arg)
free (args_info->pcodns1_arg); /* free previous string */
args_info->pcodns1_arg = gengetopt_strdup (optarg);
if (args_info->pcodns1_orig)
free (args_info->pcodns1_orig); /* free previous string */
args_info->pcodns1_orig = gengetopt_strdup (optarg);
}
/* PCO DNS Server 2. */
else if (strcmp (long_options[option_index].name, "pcodns2") == 0)
{
if (local_args_info.pcodns2_given)
{
fprintf (stderr, "%s: `--pcodns2' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->pcodns2_given && ! override)
continue;
local_args_info.pcodns2_given = 1;
args_info->pcodns2_given = 1;
if (args_info->pcodns2_arg)
free (args_info->pcodns2_arg); /* free previous string */
args_info->pcodns2_arg = gengetopt_strdup (optarg);
if (args_info->pcodns2_orig)
free (args_info->pcodns2_orig); /* free previous string */
args_info->pcodns2_orig = gengetopt_strdup (optarg);
}
/* Exit after timelimit seconds. */
else if (strcmp (long_options[option_index].name, "timelimit") == 0)
{
if (local_args_info.timelimit_given)
{
fprintf (stderr, "%s: `--timelimit' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
goto failure;
}
if (args_info->timelimit_given && ! override)
continue;
local_args_info.timelimit_given = 1;
args_info->timelimit_given = 1;
args_info->timelimit_arg = strtol (optarg, &stop_char, 0);
if (!(stop_char && *stop_char == '\0')) {
fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
goto failure;
}
if (args_info->timelimit_orig)
free (args_info->timelimit_orig); /* free previous string */
args_info->timelimit_orig = gengetopt_strdup (optarg);
}
break;
case '?': /* Invalid option. */
/* `getopt_long' already printed an error message. */
goto failure;
default: /* bug: option not considered. */
fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
abort ();
} /* switch */
} /* while */
cmdline_parser_release (&local_args_info);
if ( error )
return (EXIT_FAILURE);
return 0;
failure:
cmdline_parser_release (&local_args_info);
return (EXIT_FAILURE);
}
#ifndef CONFIG_FILE_LINE_SIZE
#define CONFIG_FILE_LINE_SIZE 2048
#endif
#define ADDITIONAL_ERROR " in configuration file "
#define CONFIG_FILE_LINE_BUFFER_SIZE (CONFIG_FILE_LINE_SIZE+3)
/* 3 is for "--" and "=" */
char my_argv[CONFIG_FILE_LINE_BUFFER_SIZE+1];
int
cmdline_parser_configfile (char * const filename, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
FILE* file;
char linebuf[CONFIG_FILE_LINE_SIZE];
int line_num = 0;
int i, result, equal;
char *fopt, *farg;
char *str_index;
size_t len, next_token;
char delimiter;
int my_argc = 0;
char **my_argv_arg;
char *additional_error;
/* store the program name */
cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
cmd_line_list_tmp->next = cmd_line_list;
cmd_line_list = cmd_line_list_tmp;
cmd_line_list->string_arg = gengetopt_strdup (CMDLINE_PARSER_PACKAGE);
if ((file = fopen(filename, "r")) == NULL)
{
fprintf (stderr, "%s: Error opening configuration file '%s'\n",
CMDLINE_PARSER_PACKAGE, filename);
result = EXIT_FAILURE;
goto conf_failure;
}
while ((fgets(linebuf, CONFIG_FILE_LINE_SIZE, file)) != NULL)
{
++line_num;
my_argv[0] = '\0';
len = strlen(linebuf);
if (len > (CONFIG_FILE_LINE_BUFFER_SIZE-1))
{
fprintf (stderr, "%s:%s:%d: Line too long in configuration file\n",
CMDLINE_PARSER_PACKAGE, filename, line_num);
result = EXIT_FAILURE;
goto conf_failure;
}
/* find first non-whitespace character in the line */
next_token = strspn ( linebuf, " \t\r\n");
str_index = linebuf + next_token;
if ( str_index[0] == '\0' || str_index[0] == '#')
continue; /* empty line or comment line is skipped */
fopt = str_index;
/* truncate fopt at the end of the first non-valid character */
next_token = strcspn (fopt, " \t\r\n=");
if (fopt[next_token] == '\0') /* the line is over */
{
farg = NULL;
equal = 0;
goto noarg;
}
/* remember if equal sign is present */
equal = (fopt[next_token] == '=');
fopt[next_token++] = '\0';
/* advance pointers to the next token after the end of fopt */
next_token += strspn (fopt + next_token, " \t\r\n");
/* check for the presence of equal sign, and if so, skip it */
if ( !equal )
if ((equal = (fopt[next_token] == '=')))
{
next_token++;
next_token += strspn (fopt + next_token, " \t\r\n");
}
str_index += next_token;
/* find argument */
farg = str_index;
if ( farg[0] == '\"' || farg[0] == '\'' )
{ /* quoted argument */
str_index = strchr (++farg, str_index[0] ); /* skip opening quote */
if (! str_index)
{
fprintf
(stderr,
"%s:%s:%d: unterminated string in configuration file\n",
CMDLINE_PARSER_PACKAGE, filename, line_num);
result = EXIT_FAILURE;
goto conf_failure;
}
}
else
{ /* read up the remaining part up to a delimiter */
next_token = strcspn (farg, " \t\r\n#\'\"");
str_index += next_token;
}
/* truncate farg at the delimiter and store it for further check */
delimiter = *str_index, *str_index++ = '\0';
/* everything but comment is illegal at the end of line */
if (delimiter != '\0' && delimiter != '#')
{
str_index += strspn(str_index, " \t\r\n");
if (*str_index != '\0' && *str_index != '#')
{
fprintf
(stderr,
"%s:%s:%d: malformed string in configuration file\n",
CMDLINE_PARSER_PACKAGE, filename, line_num);
result = EXIT_FAILURE;
goto conf_failure;
}
}
noarg:
++my_argc;
len = strlen(fopt);
strcat (my_argv, len > 1 ? "--" : "-");
strcat (my_argv, fopt);
if (len > 1 && ((farg &&*farg) || equal))
strcat (my_argv, "=");
if (farg && *farg)
strcat (my_argv, farg);
cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
cmd_line_list_tmp->next = cmd_line_list;
cmd_line_list = cmd_line_list_tmp;
cmd_line_list->string_arg = gengetopt_strdup(my_argv);
} /* while */
++my_argc; /* for program name */
my_argv_arg = (char **) malloc((my_argc+1) * sizeof(char *));
cmd_line_list_tmp = cmd_line_list;
for (i = my_argc - 1; i >= 0; --i) {
my_argv_arg[i] = cmd_line_list_tmp->string_arg;
cmd_line_list_tmp = cmd_line_list_tmp->next;
}
my_argv_arg[my_argc] = 0;
additional_error = (char *)malloc(strlen(filename) + strlen(ADDITIONAL_ERROR) + 1);
strcpy (additional_error, ADDITIONAL_ERROR);
strcat (additional_error, filename);
result =
cmdline_parser_internal (my_argc, my_argv_arg, args_info, override, initialize, check_required, additional_error);
free (additional_error);
free (my_argv_arg);
conf_failure:
if (file)
fclose(file);
free_cmd_list();
if (result == EXIT_FAILURE)
{
cmdline_parser_free (args_info);
exit (EXIT_FAILURE);
}
return result;
}