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openggsn/ggsn/cmdline.c

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/*
File autogenerated by gengetopt version 2.22.6
generated with the following command:
gengetopt -i cmdline.ggo --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>
#ifndef FIX_UNUSED
#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
#endif
#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_versiontext = "";
const char *gengetopt_args_info_description = "";
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')",
" --logfile=STRING Logfile for errors",
" --loglevel=STRING Global log ldevel (default=`error')",
" -g, --gtp-linux GTP linux kernel support (default=off)",
0
};
typedef enum {ARG_NO
, ARG_FLAG
, ARG_STRING
, ARG_INT
} cmdline_parser_arg_type;
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 **argv, struct gengetopt_args_info *args_info,
struct cmdline_parser_params *params, 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 ;
args_info->logfile_given = 0 ;
args_info->loglevel_given = 0 ;
args_info->gtp_linux_given = 0 ;
}
static
void clear_args (struct gengetopt_args_info *args_info)
{
FIX_UNUSED (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;
args_info->logfile_arg = NULL;
args_info->logfile_orig = NULL;
args_info->loglevel_arg = gengetopt_strdup ("error");
args_info->loglevel_orig = NULL;
args_info->gtp_linux_flag = 0;
}
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] ;
args_info->logfile_help = gengetopt_args_info_help[18] ;
args_info->loglevel_help = gengetopt_args_info_help[19] ;
args_info->gtp_linux_help = gengetopt_args_info_help[20] ;
}
void
cmdline_parser_print_version (void)
{
printf ("%s %s\n",
(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
CMDLINE_PARSER_VERSION);
if (strlen(gengetopt_args_info_versiontext) > 0)
printf("\n%s\n", gengetopt_args_info_versiontext);
}
static void print_help_common(void) {
cmdline_parser_print_version ();
if (strlen(gengetopt_args_info_purpose) > 0)
printf("\n%s\n", gengetopt_args_info_purpose);
if (strlen(gengetopt_args_info_usage) > 0)
printf("\n%s\n", gengetopt_args_info_usage);
printf("\n");
if (strlen(gengetopt_args_info_description) > 0)
printf("%s\n\n", gengetopt_args_info_description);
}
void
cmdline_parser_print_help (void)
{
int i = 0;
print_help_common();
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);
}
void
cmdline_parser_params_init(struct cmdline_parser_params *params)
{
if (params)
{
params->override = 0;
params->initialize = 1;
params->check_required = 1;
params->check_ambiguity = 0;
params->print_errors = 1;
}
}
struct cmdline_parser_params *
cmdline_parser_params_create(void)
{
struct cmdline_parser_params *params =
(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
cmdline_parser_params_init(params);
return params;
}
static void
free_string_field (char **s)
{
if (*s)
{
free (*s);
*s = 0;
}
}
static void
cmdline_parser_release (struct gengetopt_args_info *args_info)
{
free_string_field (&(args_info->conf_arg));
free_string_field (&(args_info->conf_orig));
free_string_field (&(args_info->pidfile_arg));
free_string_field (&(args_info->pidfile_orig));
free_string_field (&(args_info->statedir_arg));
free_string_field (&(args_info->statedir_orig));
free_string_field (&(args_info->listen_arg));
free_string_field (&(args_info->listen_orig));
free_string_field (&(args_info->net_arg));
free_string_field (&(args_info->net_orig));
free_string_field (&(args_info->ipup_arg));
free_string_field (&(args_info->ipup_orig));
free_string_field (&(args_info->ipdown_arg));
free_string_field (&(args_info->ipdown_orig));
free_string_field (&(args_info->dynip_arg));
free_string_field (&(args_info->dynip_orig));
free_string_field (&(args_info->statip_arg));
free_string_field (&(args_info->statip_orig));
free_string_field (&(args_info->pcodns1_arg));
free_string_field (&(args_info->pcodns1_orig));
free_string_field (&(args_info->pcodns2_arg));
free_string_field (&(args_info->pcodns2_orig));
free_string_field (&(args_info->timelimit_orig));
free_string_field (&(args_info->apn_arg));
free_string_field (&(args_info->apn_orig));
free_string_field (&(args_info->qos_orig));
free_string_field (&(args_info->logfile_arg));
free_string_field (&(args_info->logfile_orig));
free_string_field (&(args_info->loglevel_arg));
free_string_field (&(args_info->loglevel_orig));
clear_given (args_info);
}
static void
write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[])
{
FIX_UNUSED (values);
if (arg) {
fprintf(outfile, "%s=\"%s\"\n", opt, arg);
} else {
fprintf(outfile, "%s\n", opt);
}
}
int
cmdline_parser_dump(FILE *outfile, struct gengetopt_args_info *args_info)
{
int i = 0;
if (!outfile)
{
fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
return EXIT_FAILURE;
}
if (args_info->help_given)
write_into_file(outfile, "help", 0, 0 );
if (args_info->version_given)
write_into_file(outfile, "version", 0, 0 );
if (args_info->fg_given)
write_into_file(outfile, "fg", 0, 0 );
if (args_info->debug_given)
write_into_file(outfile, "debug", 0, 0 );
if (args_info->conf_given)
write_into_file(outfile, "conf", args_info->conf_orig, 0);
if (args_info->pidfile_given)
write_into_file(outfile, "pidfile", args_info->pidfile_orig, 0);
if (args_info->statedir_given)
write_into_file(outfile, "statedir", args_info->statedir_orig, 0);
if (args_info->listen_given)
write_into_file(outfile, "listen", args_info->listen_orig, 0);
if (args_info->net_given)
write_into_file(outfile, "net", args_info->net_orig, 0);
if (args_info->ipup_given)
write_into_file(outfile, "ipup", args_info->ipup_orig, 0);
if (args_info->ipdown_given)
write_into_file(outfile, "ipdown", args_info->ipdown_orig, 0);
if (args_info->dynip_given)
write_into_file(outfile, "dynip", args_info->dynip_orig, 0);
if (args_info->statip_given)
write_into_file(outfile, "statip", args_info->statip_orig, 0);
if (args_info->pcodns1_given)
write_into_file(outfile, "pcodns1", args_info->pcodns1_orig, 0);
if (args_info->pcodns2_given)
write_into_file(outfile, "pcodns2", args_info->pcodns2_orig, 0);
if (args_info->timelimit_given)
write_into_file(outfile, "timelimit", args_info->timelimit_orig, 0);
if (args_info->apn_given)
write_into_file(outfile, "apn", args_info->apn_orig, 0);
if (args_info->qos_given)
write_into_file(outfile, "qos", args_info->qos_orig, 0);
if (args_info->logfile_given)
write_into_file(outfile, "logfile", args_info->logfile_orig, 0);
if (args_info->loglevel_given)
write_into_file(outfile, "loglevel", args_info->loglevel_orig, 0);
if (args_info->gtp_linux_given)
write_into_file(outfile, "gtp-linux", 0, 0 );
i = EXIT_SUCCESS;
return i;
}
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;
}
i = cmdline_parser_dump(outfile, args_info);
fclose (outfile);
return i;
}
void
cmdline_parser_free (struct gengetopt_args_info *args_info)
{
cmdline_parser_release (args_info);
}
/** @brief replacement of strdup, which is not standard */
char *
gengetopt_strdup (const char *s)
{
char *result = 0;
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 **argv, struct gengetopt_args_info *args_info)
{
return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}
int
cmdline_parser_ext (int argc, char **argv, struct gengetopt_args_info *args_info,
struct cmdline_parser_params *params)
{
int result;
result = cmdline_parser_internal (argc, argv, args_info, params, 0);
if (result == EXIT_FAILURE)
{
cmdline_parser_free (args_info);
exit (EXIT_FAILURE);
}
return result;
}
int
cmdline_parser2 (int argc, char **argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
int result;
struct cmdline_parser_params params;
params.override = override;
params.initialize = initialize;
params.check_required = check_required;
params.check_ambiguity = 0;
params.print_errors = 1;
result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
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)
{
FIX_UNUSED (args_info);
FIX_UNUSED (prog_name);
return EXIT_SUCCESS;
}
static char *package_name = 0;
/**
* @brief updates an option
* @param field the generic pointer to the field to update
* @param orig_field the pointer to the orig field
* @param field_given the pointer to the number of occurrence of this option
* @param prev_given the pointer to the number of occurrence already seen
* @param value the argument for this option (if null no arg was specified)
* @param possible_values the possible values for this option (if specified)
* @param default_value the default value (in case the option only accepts fixed values)
* @param arg_type the type of this option
* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
* @param override @see cmdline_parser_params.override
* @param no_free whether to free a possible previous value
* @param multiple_option whether this is a multiple option
* @param long_opt the corresponding long option
* @param short_opt the corresponding short option (or '-' if none)
* @param additional_error possible further error specification
*/
static
int update_arg(void *field, char **orig_field,
unsigned int *field_given, unsigned int *prev_given,
char *value, const char *possible_values[],
const char *default_value,
cmdline_parser_arg_type arg_type,
int check_ambiguity, int override,
int no_free, int multiple_option,
const char *long_opt, char short_opt,
const char *additional_error)
{
char *stop_char = 0;
const char *val = value;
int found;
char **string_field;
FIX_UNUSED (field);
stop_char = 0;
found = 0;
if (!multiple_option && prev_given && (*prev_given || (check_ambiguity && *field_given)))
{
if (short_opt != '-')
fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
package_name, long_opt, short_opt,
(additional_error ? additional_error : ""));
else
fprintf (stderr, "%s: `--%s' option given more than once%s\n",
package_name, long_opt,
(additional_error ? additional_error : ""));
return 1; /* failure */
}
FIX_UNUSED (default_value);
if (field_given && *field_given && ! override)
return 0;
if (prev_given)
(*prev_given)++;
if (field_given)
(*field_given)++;
if (possible_values)
val = possible_values[found];
switch(arg_type) {
case ARG_FLAG:
*((int *)field) = !*((int *)field);
break;
case ARG_INT:
if (val) *((int *)field) = strtol (val, &stop_char, 0);
break;
case ARG_STRING:
if (val) {
string_field = (char **)field;
if (!no_free && *string_field)
free (*string_field); /* free previous string */
*string_field = gengetopt_strdup (val);
}
break;
default:
break;
};
/* check numeric conversion */
switch(arg_type) {
case ARG_INT:
if (val && !(stop_char && *stop_char == '\0')) {
fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
return 1; /* failure */
}
break;
default:
;
};
/* store the original value */
switch(arg_type) {
case ARG_NO:
case ARG_FLAG:
break;
default:
if (value && orig_field) {
if (no_free) {
*orig_field = value;
} else {
if (*orig_field)
free (*orig_field); /* free previous string */
*orig_field = gengetopt_strdup (value);
}
}
};
return 0; /* OK */
}
int
cmdline_parser_internal (
int argc, char **argv, struct gengetopt_args_info *args_info,
struct cmdline_parser_params *params, const char *additional_error)
{
int c; /* Character of the parsed option. */
int error_occurred = 0;
struct gengetopt_args_info local_args_info;
int override;
int initialize;
int check_required;
int check_ambiguity;
package_name = argv[0];
override = params->override;
initialize = params->initialize;
check_required = params->check_required;
check_ambiguity = params->check_ambiguity;
if (initialize)
cmdline_parser_init (args_info);
cmdline_parser_init (&local_args_info);
optarg = 0;
optind = 0;
opterr = params->print_errors;
optopt = '?';
while (1)
{
int option_index = 0;
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' },
{ "logfile", 1, NULL, 0 },
{ "loglevel", 1, NULL, 0 },
{ "gtp-linux", 0, NULL, 'g' },
{ 0, 0, 0, 0 }
};
c = getopt_long (argc, argv, "hVfdc:l:n:a:q:g", 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 (update_arg((void *)&(args_info->fg_flag), 0, &(args_info->fg_given),
&(local_args_info.fg_given), optarg, 0, 0, ARG_FLAG,
check_ambiguity, override, 1, 0, "fg", 'f',
additional_error))
goto failure;
break;
case 'd': /* Run in debug mode. */
if (update_arg((void *)&(args_info->debug_flag), 0, &(args_info->debug_given),
&(local_args_info.debug_given), optarg, 0, 0, ARG_FLAG,
check_ambiguity, override, 1, 0, "debug", 'd',
additional_error))
goto failure;
break;
case 'c': /* Read configuration file. */
if (update_arg( (void *)&(args_info->conf_arg),
&(args_info->conf_orig), &(args_info->conf_given),
&(local_args_info.conf_given), optarg, 0, "/etc/ggsn.conf", ARG_STRING,
check_ambiguity, override, 0, 0,
"conf", 'c',
additional_error))
goto failure;
break;
case 'l': /* Local interface. */
if (update_arg( (void *)&(args_info->listen_arg),
&(args_info->listen_orig), &(args_info->listen_given),
&(local_args_info.listen_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"listen", 'l',
additional_error))
goto failure;
break;
case 'n': /* Network. */
if (update_arg( (void *)&(args_info->net_arg),
&(args_info->net_orig), &(args_info->net_given),
&(local_args_info.net_given), optarg, 0, "192.168.0.0/24", ARG_STRING,
check_ambiguity, override, 0, 0,
"net", 'n',
additional_error))
goto failure;
break;
case 'a': /* Access point name. */
if (update_arg( (void *)&(args_info->apn_arg),
&(args_info->apn_orig), &(args_info->apn_given),
&(local_args_info.apn_given), optarg, 0, "internet", ARG_STRING,
check_ambiguity, override, 0, 0,
"apn", 'a',
additional_error))
goto failure;
break;
case 'q': /* Requested quality of service. */
if (update_arg( (void *)&(args_info->qos_arg),
&(args_info->qos_orig), &(args_info->qos_given),
&(local_args_info.qos_given), optarg, 0, "0x0b921f", ARG_INT,
check_ambiguity, override, 0, 0,
"qos", 'q',
additional_error))
goto failure;
break;
case 'g': /* GTP linux kernel support. */
if (update_arg((void *)&(args_info->gtp_linux_flag), 0, &(args_info->gtp_linux_given),
&(local_args_info.gtp_linux_given), optarg, 0, 0, ARG_FLAG,
check_ambiguity, override, 1, 0, "gtp-linux", 'g',
additional_error))
goto failure;
break;
case 0: /* Long option with no short option */
/* Filename of process id file. */
if (strcmp (long_options[option_index].name, "pidfile") == 0)
{
if (update_arg( (void *)&(args_info->pidfile_arg),
&(args_info->pidfile_orig), &(args_info->pidfile_given),
&(local_args_info.pidfile_given), optarg, 0, "/var/run/ggsn.pid", ARG_STRING,
check_ambiguity, override, 0, 0,
"pidfile", '-',
additional_error))
goto failure;
}
/* Directory of nonvolatile data. */
else if (strcmp (long_options[option_index].name, "statedir") == 0)
{
if (update_arg( (void *)&(args_info->statedir_arg),
&(args_info->statedir_orig), &(args_info->statedir_given),
&(local_args_info.statedir_given), optarg, 0, "/var/lib/ggsn/", ARG_STRING,
check_ambiguity, override, 0, 0,
"statedir", '-',
additional_error))
goto failure;
}
/* Script to run after link-up. */
else if (strcmp (long_options[option_index].name, "ipup") == 0)
{
if (update_arg( (void *)&(args_info->ipup_arg),
&(args_info->ipup_orig), &(args_info->ipup_given),
&(local_args_info.ipup_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"ipup", '-',
additional_error))
goto failure;
}
/* Script to run after link-down. */
else if (strcmp (long_options[option_index].name, "ipdown") == 0)
{
if (update_arg( (void *)&(args_info->ipdown_arg),
&(args_info->ipdown_orig), &(args_info->ipdown_given),
&(local_args_info.ipdown_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"ipdown", '-',
additional_error))
goto failure;
}
/* Dynamic IP address pool. */
else if (strcmp (long_options[option_index].name, "dynip") == 0)
{
if (update_arg( (void *)&(args_info->dynip_arg),
&(args_info->dynip_orig), &(args_info->dynip_given),
&(local_args_info.dynip_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"dynip", '-',
additional_error))
goto failure;
}
/* Static IP address pool. */
else if (strcmp (long_options[option_index].name, "statip") == 0)
{
if (update_arg( (void *)&(args_info->statip_arg),
&(args_info->statip_orig), &(args_info->statip_given),
&(local_args_info.statip_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"statip", '-',
additional_error))
goto failure;
}
/* PCO DNS Server 1. */
else if (strcmp (long_options[option_index].name, "pcodns1") == 0)
{
if (update_arg( (void *)&(args_info->pcodns1_arg),
&(args_info->pcodns1_orig), &(args_info->pcodns1_given),
&(local_args_info.pcodns1_given), optarg, 0, "0.0.0.0", ARG_STRING,
check_ambiguity, override, 0, 0,
"pcodns1", '-',
additional_error))
goto failure;
}
/* PCO DNS Server 2. */
else if (strcmp (long_options[option_index].name, "pcodns2") == 0)
{
if (update_arg( (void *)&(args_info->pcodns2_arg),
&(args_info->pcodns2_orig), &(args_info->pcodns2_given),
&(local_args_info.pcodns2_given), optarg, 0, "0.0.0.0", ARG_STRING,
check_ambiguity, override, 0, 0,
"pcodns2", '-',
additional_error))
goto failure;
}
/* Exit after timelimit seconds. */
else if (strcmp (long_options[option_index].name, "timelimit") == 0)
{
if (update_arg( (void *)&(args_info->timelimit_arg),
&(args_info->timelimit_orig), &(args_info->timelimit_given),
&(local_args_info.timelimit_given), optarg, 0, "0", ARG_INT,
check_ambiguity, override, 0, 0,
"timelimit", '-',
additional_error))
goto failure;
}
/* Logfile for errors. */
else if (strcmp (long_options[option_index].name, "logfile") == 0)
{
if (update_arg( (void *)&(args_info->logfile_arg),
&(args_info->logfile_orig), &(args_info->logfile_given),
&(local_args_info.logfile_given), optarg, 0, 0, ARG_STRING,
check_ambiguity, override, 0, 0,
"logfile", '-',
additional_error))
goto failure;
}
/* Global log ldevel. */
else if (strcmp (long_options[option_index].name, "loglevel") == 0)
{
if (update_arg( (void *)&(args_info->loglevel_arg),
&(args_info->loglevel_orig), &(args_info->loglevel_given),
&(local_args_info.loglevel_given), optarg, 0, "error", ARG_STRING,
check_ambiguity, override, 0, 0,
"loglevel", '-',
additional_error))
goto failure;
}
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_occurred )
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 "=" */
static int
_cmdline_parser_configfile (const char *filename, int *my_argc)
{
FILE* file;
char my_argv[CONFIG_FILE_LINE_BUFFER_SIZE+1];
char linebuf[CONFIG_FILE_LINE_SIZE];
int line_num = 0;
int result = 0, equal;
char *fopt, *farg;
char *str_index;
size_t len, next_token;
char delimiter;
if ((file = fopen(filename, "r")) == 0)
{
fprintf (stderr, "%s: Error opening configuration file '%s'\n",
CMDLINE_PARSER_PACKAGE, filename);
return EXIT_FAILURE;
}
while ((fgets(linebuf, CONFIG_FILE_LINE_SIZE, file)) != 0)
{
++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;
break;
}
/* 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 = 0;
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;
break;
}
}
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;
break;
}
}
noarg:
if (!strcmp(fopt,"include")) {
if (farg && *farg) {
result = _cmdline_parser_configfile(farg, my_argc);
} else {
fprintf(stderr, "%s:%s:%d: include requires a filename argument.\n",
CMDLINE_PARSER_PACKAGE, filename, line_num);
}
continue;
}
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);
++(*my_argc);
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 */
if (file)
fclose(file);
return result;
}
int
cmdline_parser_configfile (
const char *filename,
struct gengetopt_args_info *args_info,
int override, int initialize, int check_required)
{
struct cmdline_parser_params params;
params.override = override;
params.initialize = initialize;
params.check_required = check_required;
params.check_ambiguity = 0;
params.print_errors = 1;
return cmdline_parser_config_file (filename, args_info, &params);
}
int
cmdline_parser_config_file (const char *filename,
struct gengetopt_args_info *args_info,
struct cmdline_parser_params *params)
{
int i, result;
int my_argc = 1;
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);
result = _cmdline_parser_configfile(filename, &my_argc);
if (result != EXIT_FAILURE) {
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,
params,
additional_error);
free (additional_error);
free (my_argv_arg);
}
free_cmd_list();
if (result == EXIT_FAILURE)
{
cmdline_parser_free (args_info);
exit (EXIT_FAILURE);
}
return result;
}
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