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Viewing changes to plugins.d/password-prompt.c

  • Committer: Teddy Hogeborn
  • Date: 2009-10-24 17:56:24 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091024175624-86qzvjlfp3qd8y8n
* mandos-keygen (keygen): Warn about long key generation time.

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plugins.d/password-prompt.c
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#include <stddef.h>             /* NULL, size_t, ssize_t */
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#include <sys/types.h>          /* ssize_t */
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#include <stdlib.h>             /* EXIT_SUCCESS, EXIT_FAILURE,
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                                   getenv() */
 
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                                   getopt_long, getenv() */
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#include <stdio.h>              /* fprintf(), stderr, getline(),
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                                   stdin, feof(), perror(), fputc()
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                                */
 
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                                   stdin, feof(), perror(), fputc(),
 
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                                   getopt_long */
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#include <errno.h>              /* errno, EBADF, ENOTTY, EINVAL,
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                                   EFAULT, EFBIG, EIO, ENOSPC, EINTR
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                                */
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        .doc = "Prefix shown before the prompt", .group = 2 },
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      { .name = "debug", .key = 128,
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        .doc = "Debug mode", .group = 3 },
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      /*
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       * These reproduce what we would get without ARGP_NO_HELP
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       */
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      { .name = "help", .key = '?',
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        .doc = "Give this help list", .group = -1 },
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      { .name = "usage", .key = -3,
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        .doc = "Give a short usage message", .group = -1 },
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      { .name = "version", .key = 'V',
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        .doc = "Print program version", .group = -1 },
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      { .name = NULL }
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    };
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    error_t parse_opt (int key, char *arg, struct argp_state *state){
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      errno = 0;
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      switch (key){
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      case 'p':
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        prefix = arg;
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      case 128:
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        debug = true;
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        break;
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        /*
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         * These reproduce what we would get without ARGP_NO_HELP
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         */
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      case '?':                 /* --help */
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        argp_state_help(state, state->out_stream,
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                        (ARGP_HELP_STD_HELP | ARGP_HELP_EXIT_ERR)
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                        & ~(unsigned int)ARGP_HELP_EXIT_OK);
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      case -3:                  /* --usage */
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        argp_state_help(state, state->out_stream,
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                        ARGP_HELP_USAGE | ARGP_HELP_EXIT_ERR);
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      case 'V':                 /* --version */
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        fprintf(state->out_stream, "%s\n", argp_program_version);
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        exit(argp_err_exit_status);
 
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      case ARGP_KEY_ARG:
 
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        argp_usage(state);
 
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        break;
 
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      case ARGP_KEY_END:
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        break;
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      default:
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        return ARGP_ERR_UNKNOWN;
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      }
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      return errno;
 
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      return 0;
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    }
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    struct argp argp = { .options = options, .parser = parse_opt,
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                         .args_doc = "",
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                         .doc = "Mandos password-prompt -- Read and"
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                         " output a password" };
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    ret = argp_parse(&argp, argc, argv,
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                     ARGP_IN_ORDER | ARGP_NO_HELP, NULL, NULL);
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    switch(ret){
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    case 0:
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      break;
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    case ENOMEM:
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    default:
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      errno = ret;
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      perror("argp_parse");
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      return EX_OSERR;
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    case EINVAL:
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      return EX_USAGE;
 
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    ret = argp_parse(&argp, argc, argv, 0, 0, NULL);
 
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    if(ret == ARGP_ERR_UNKNOWN){
 
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      fprintf(stderr, "Unknown error while parsing arguments\n");
 
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      return EX_SOFTWARE;
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    }
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  }
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