client/authenticatemessage.c

   1 #define _XOPEN_SOURCE 500
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <locale.h>
   5 #include <time.h>
   6 #include <string.h>
   7 #include <isds.h>
   8 #include "common.h"
   9 #include <libgen.h>
  10
  11
  12 int main(int argc, char **argv) {
  13     struct isds_ctx *ctx = NULL;
  14     isds_error err;
  15
  16     setlocale(LC_ALL, "");
  17
  18     if (argc != 2 || !argv[1] || !*argv[1]) {
  19         printf("Usage: %s CMS_SIGNED_MESSAGE_IN_LOCAL_FILE\n",
  20                 basename(argv[0]));
  21         exit(EXIT_FAILURE);
  22     }
  23
  24     err = isds_init();
  25     if (err) {
  26         printf("isds_init() failed: %s\n", isds_strerror(err));
  27         exit(EXIT_FAILURE);
  28     }
  29
  30     isds_set_logging(ILF_ALL & ~ILF_HTTP, ILL_ALL);
  31
  32     ctx = isds_ctx_create();
  33     if (!ctx) {
  34         printf("isds_ctx_create() failed");
  35     }
  36
  37     err = isds_set_timeout(ctx, 10000);
  38     if (err) {
  39         printf("isds_set_timeout() failed: %s\n", isds_strerror(err));
  40     }
  41
  42     err = isds_login(ctx, url, username(), password(), NULL, NULL);
  43     if (err) {
  44         printf("isds_login() failed: %s: %s\n", isds_strerror(err),
  45                 isds_long_message(ctx));
  46     } else {
  47         printf("Logged in :)\n");
  48     }
  49
  50
  51     {
  52         /* Authenticate message saved in local file */
  53         int fd;
  54         void *buffer;
  55         size_t length;
  56
  57         if (mmap_file(argv[1], &fd, &buffer, &length))
  58             exit(EXIT_FAILURE);
  59
  60         printf("Sending message from file `%s' to ISDS for authenticity "
  61                 "check...\n", argv[1]);
  62         err = isds_authenticate_message(ctx, buffer, length);
  63         if (!err)
  64             printf("ISDS states: message is original\n");
  65         else if (err == IE_NOTEQUAL)
  66             printf("ISDS states: message is unkown or tampered\n");
  67         else
  68             printf("isds_authenticate_message() failed: %s: %s\n",
  69                     isds_strerror(err), isds_long_message(ctx));
  70
  71         munmap_file(fd, buffer,length);
  72     }
  73
  74
  75     err = isds_logout(ctx);
  76     if (err) {
  77         printf("isds_logout() failed: %s\n", isds_strerror(err));
  78     }
  79
  80     err = isds_ctx_free(&ctx);
  81     if (err) {
  82         printf("isds_ctx_free() failed: %s\n", isds_strerror(err));
  83     }
  84
  85     err = isds_cleanup();
  86     if (err) {
  87         printf("isds_cleanup() failed: %s\n", isds_strerror(err));
  88     }
  89
  90     exit (EXIT_SUCCESS);
  91 }