/*
 File autogenerated by gengetopt version 2.22.6
 generated with the following command:
 gengetopt --no-handle-help --input cmdline.ggo Makefile.am

 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 = "Perform a U2F registration operation and print a configuration line that can be\nused with the pam_u2f module.";

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",
 "      --version            Print version and exit",
 "  -o, --origin=STRING      Origin URL to use during registration. Defaults to\n                             pam://hostname",
 "  -i, --appid=STRING       Application ID to use during registration. Defaults\n                             to pam://hostname",
 "  -t, --type=STRING        COSE type to use during registration (ES256 or\n                             RS256). Defaults to ES256.",
 "  -r, --resident           Generate a resident credential  (default=off)",
 "  -P, --no-user-presence   Allow the credential to be used without ensuring the\n                             user's presence  (default=off)",
 "  -N, --pin-verification   Require PIN verification during authentication\n                             (default=off)",
 "  -V, --user-verification  Require user verification during authentication\n                             (default=off)",
 "  -d, --debug              Print debug information (highly verbose)\n                             (default=off)",
 "  -v, --verbose            Print information about chosen origin and appid\n                             (default=off)",
 "\n Group: user",
 "  -u, --username=STRING    The name of the user registering the device.\n                             Defaults to the current user name",
 "  -n, --nouser             Print only registration information (keyHandle and\n                             public key). Useful for appending",
   0
};

typedef enum {ARG_NO
 , ARG_FLAG
 , ARG_STRING
} 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);


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->origin_given = 0 ;
 args_info->appid_given = 0 ;
 args_info->type_given = 0 ;
 args_info->resident_given = 0 ;
 args_info->no_user_presence_given = 0 ;
 args_info->pin_verification_given = 0 ;
 args_info->user_verification_given = 0 ;
 args_info->debug_given = 0 ;
 args_info->verbose_given = 0 ;
 args_info->username_given = 0 ;
 args_info->nouser_given = 0 ;
 args_info->user_group_counter = 0 ;
}

static
void clear_args (struct gengetopt_args_info *args_info)
{
 FIX_UNUSED (args_info);
 args_info->origin_arg = NULL;
 args_info->origin_orig = NULL;
 args_info->appid_arg = NULL;
 args_info->appid_orig = NULL;
 args_info->type_arg = NULL;
 args_info->type_orig = NULL;
 args_info->resident_flag = 0;
 args_info->no_user_presence_flag = 0;
 args_info->pin_verification_flag = 0;
 args_info->user_verification_flag = 0;
 args_info->debug_flag = 0;
 args_info->verbose_flag = 0;
 args_info->username_arg = NULL;
 args_info->username_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->origin_help = gengetopt_args_info_help[2] ;
 args_info->appid_help = gengetopt_args_info_help[3] ;
 args_info->type_help = gengetopt_args_info_help[4] ;
 args_info->resident_help = gengetopt_args_info_help[5] ;
 args_info->no_user_presence_help = gengetopt_args_info_help[6] ;
 args_info->pin_verification_help = gengetopt_args_info_help[7] ;
 args_info->user_verification_help = gengetopt_args_info_help[8] ;
 args_info->debug_help = gengetopt_args_info_help[9] ;
 args_info->verbose_help = gengetopt_args_info_help[10] ;
 args_info->username_help = gengetopt_args_info_help[12] ;
 args_info->nouser_help = gengetopt_args_info_help[13] ;

}

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->origin_arg));
 free_string_field (&(args_info->origin_orig));
 free_string_field (&(args_info->appid_arg));
 free_string_field (&(args_info->appid_orig));
 free_string_field (&(args_info->type_arg));
 free_string_field (&(args_info->type_orig));
 free_string_field (&(args_info->username_arg));
 free_string_field (&(args_info->username_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->origin_given)
   write_into_file(outfile, "origin", args_info->origin_orig, 0);
 if (args_info->appid_given)
   write_into_file(outfile, "appid", args_info->appid_orig, 0);
 if (args_info->type_given)
   write_into_file(outfile, "type", args_info->type_orig, 0);
 if (args_info->resident_given)
   write_into_file(outfile, "resident", 0, 0 );
 if (args_info->no_user_presence_given)
   write_into_file(outfile, "no-user-presence", 0, 0 );
 if (args_info->pin_verification_given)
   write_into_file(outfile, "pin-verification", 0, 0 );
 if (args_info->user_verification_given)
   write_into_file(outfile, "user-verification", 0, 0 );
 if (args_info->debug_given)
   write_into_file(outfile, "debug", 0, 0 );
 if (args_info->verbose_given)
   write_into_file(outfile, "verbose", 0, 0 );
 if (args_info->username_given)
   write_into_file(outfile, "username", args_info->username_orig, 0);
 if (args_info->nouser_given)
   write_into_file(outfile, "nouser", 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;
}

static void
reset_group_user(struct gengetopt_args_info *args_info)
{
 if (! args_info->user_group_counter)
   return;

 args_info->username_given = 0 ;
 free_string_field (&(args_info->username_arg));
 free_string_field (&(args_info->username_orig));
 args_info->nouser_given = 0 ;

 args_info->user_group_counter = 0;
}

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_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;
 };


 /* 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, 0 },
       { "origin",     1, NULL, 'o' },
       { "appid",      1, NULL, 'i' },
       { "type",       1, NULL, 't' },
       { "resident",   0, NULL, 'r' },
       { "no-user-presence",   0, NULL, 'P' },
       { "pin-verification",   0, NULL, 'N' },
       { "user-verification",  0, NULL, 'V' },
       { "debug",      0, NULL, 'd' },
       { "verbose",    0, NULL, 'v' },
       { "username",   1, NULL, 'u' },
       { "nouser",     0, NULL, 'n' },
       { 0,  0, 0, 0 }
     };

     c = getopt_long (argc, argv, "ho:i:t:rPNVdvu:n", long_options, &option_index);

     if (c == -1) break;       /* Exit from `while (1)' loop.  */

     switch (c)
       {
       case 'h':       /* Print help and exit.  */


         if (update_arg( 0 ,
              0 , &(args_info->help_given),
             &(local_args_info.help_given), optarg, 0, 0, ARG_NO,
             check_ambiguity, override, 0, 0,
             "help", 'h',
             additional_error))
           goto failure;
         cmdline_parser_free (&local_args_info);
         return 0;

         break;
       case 'o':       /* Origin URL to use during registration. Defaults to pam://hostname.  */


         if (update_arg( (void *)&(args_info->origin_arg),
              &(args_info->origin_orig), &(args_info->origin_given),
             &(local_args_info.origin_given), optarg, 0, 0, ARG_STRING,
             check_ambiguity, override, 0, 0,
             "origin", 'o',
             additional_error))
           goto failure;

         break;
       case 'i':       /* Application ID to use during registration. Defaults to pam://hostname.  */


         if (update_arg( (void *)&(args_info->appid_arg),
              &(args_info->appid_orig), &(args_info->appid_given),
             &(local_args_info.appid_given), optarg, 0, 0, ARG_STRING,
             check_ambiguity, override, 0, 0,
             "appid", 'i',
             additional_error))
           goto failure;

         break;
       case 't':       /* COSE type to use during registration (ES256 or RS256). Defaults to ES256..  */


         if (update_arg( (void *)&(args_info->type_arg),
              &(args_info->type_orig), &(args_info->type_given),
             &(local_args_info.type_given), optarg, 0, 0, ARG_STRING,
             check_ambiguity, override, 0, 0,
             "type", 't',
             additional_error))
           goto failure;

         break;
       case 'r':       /* Generate a resident credential.  */


         if (update_arg((void *)&(args_info->resident_flag), 0, &(args_info->resident_given),
             &(local_args_info.resident_given), optarg, 0, 0, ARG_FLAG,
             check_ambiguity, override, 1, 0, "resident", 'r',
             additional_error))
           goto failure;

         break;
       case 'P':       /* Allow the credential to be used without ensuring the user's presence.  */


         if (update_arg((void *)&(args_info->no_user_presence_flag), 0, &(args_info->no_user_presence_given),
             &(local_args_info.no_user_presence_given), optarg, 0, 0, ARG_FLAG,
             check_ambiguity, override, 1, 0, "no-user-presence", 'P',
             additional_error))
           goto failure;

         break;
       case 'N':       /* Require PIN verification during authentication.  */


         if (update_arg((void *)&(args_info->pin_verification_flag), 0, &(args_info->pin_verification_given),
             &(local_args_info.pin_verification_given), optarg, 0, 0, ARG_FLAG,
             check_ambiguity, override, 1, 0, "pin-verification", 'N',
             additional_error))
           goto failure;

         break;
       case 'V':       /* Require user verification during authentication.  */


         if (update_arg((void *)&(args_info->user_verification_flag), 0, &(args_info->user_verification_given),
             &(local_args_info.user_verification_given), optarg, 0, 0, ARG_FLAG,
             check_ambiguity, override, 1, 0, "user-verification", 'V',
             additional_error))
           goto failure;

         break;
       case 'd':       /* Print debug information (highly verbose).  */


         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 'v':       /* Print information about chosen origin and appid.  */


         if (update_arg((void *)&(args_info->verbose_flag), 0, &(args_info->verbose_given),
             &(local_args_info.verbose_given), optarg, 0, 0, ARG_FLAG,
             check_ambiguity, override, 1, 0, "verbose", 'v',
             additional_error))
           goto failure;

         break;
       case 'u':       /* The name of the user registering the device. Defaults to the current user name.  */

         if (args_info->user_group_counter && override)
           reset_group_user (args_info);
         args_info->user_group_counter += 1;

         if (update_arg( (void *)&(args_info->username_arg),
              &(args_info->username_orig), &(args_info->username_given),
             &(local_args_info.username_given), optarg, 0, 0, ARG_STRING,
             check_ambiguity, override, 0, 0,
             "username", 'u',
             additional_error))
           goto failure;

         break;
       case 'n':       /* Print only registration information (keyHandle and public key). Useful for appending.  */

         if (args_info->user_group_counter && override)
           reset_group_user (args_info);
         args_info->user_group_counter += 1;

         if (update_arg( 0 ,
              0 , &(args_info->nouser_given),
             &(local_args_info.nouser_given), optarg, 0, 0, ARG_NO,
             check_ambiguity, override, 0, 0,
             "nouser", 'n',
             additional_error))
           goto failure;

         break;

       case 0: /* Long option with no short option */
         if (strcmp (long_options[option_index].name, "version") == 0) {
           cmdline_parser_print_version ();
           cmdline_parser_free (&local_args_info);
           exit (EXIT_SUCCESS);
         }

       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 */

 if (args_info->user_group_counter > 1)
   {
     fprintf (stderr, "%s: %d options of group user were given. At most one is required%s.\n", argv[0], args_info->user_group_counter, (additional_error ? additional_error : ""));
     error_occurred = 1;
   }




 cmdline_parser_release (&local_args_info);

 if ( error_occurred )
   return (EXIT_FAILURE);

 return 0;

failure:

 cmdline_parser_release (&local_args_info);
 return (EXIT_FAILURE);
}

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