client/computemessagehash.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
  10 isds_error compute_message_hash(struct isds_ctx *ctx,
  11         struct isds_message *message) {
  12     isds_error err;
  13     struct isds_hash *old_hash;
  14
  15     /* Detach original hash */
  16     old_hash = message->envelope->hash;
  17     message->envelope->hash = NULL;
  18
  19     /* Recalculate hash */
  20     printf("Calculating message hash\n");
  21     err = isds_compute_message_hash(ctx, message, old_hash->algorithm);
  22     if (err)
  23         printf("isds_compute_message_hash() failed: %s: %s\n",
  24                 isds_strerror(err), isds_long_message(ctx));
  25     else {
  26         printf("isds_compute_message_hash() succeeded:\n");
  27
  28         printf("Stored hash   = ");
  29         print_hash(old_hash);
  30
  31         printf("Computed hash = ");
  32         print_hash(message->envelope->hash);
  33
  34         /* Compare hashes */
  35         compare_hashes(old_hash, message->envelope->hash);
  36     }
  37
  38     isds_hash_free(&old_hash);
  39     return err;
  40 }
  41
  42
  43 int main(void) {
  44     struct isds_ctx *ctx = NULL;
  45     isds_error err;
  46
  47     setlocale(LC_ALL, "");
  48
  49     err = isds_init();
  50     if (err) {
  51         printf("isds_init() failed: %s\n", isds_strerror(err));
  52         exit(EXIT_FAILURE);
  53     }
  54
  55     /*isds_set_logging(ILF_ALL & ~ILF_HTTP, ILL_ALL);*/
  56
  57     ctx = isds_ctx_create();
  58     if (!ctx) {
  59         printf("isds_ctx_create() failed");
  60     }
  61
  62
  63     {
  64         /* Load plain received message */
  65         struct isds_message *message = NULL;
  66         void *buffer;
  67         int fd;
  68         size_t length;
  69
  70         if (mmap_file(SRCDIR "/server/messages/received_message-151916.xml",
  71                 &fd, &buffer, &length)) {
  72             fprintf(stderr, "Could not map file with plain received message\n");
  73             isds_ctx_free(&ctx);
  74             isds_cleanup();
  75             exit(EXIT_FAILURE);
  76         }
  77
  78         printf("Loading plain received message\n");
  79         err = isds_load_message(ctx, RAWTYPE_INCOMING_MESSAGE,
  80                 buffer, length, &message, BUFFER_COPY);
  81         if (err)
  82             printf("isds_load_message() failed: %s: %s\n",
  83                     isds_strerror(err), isds_long_message(ctx));
  84         else {
  85             printf("isds_load_message() succeeded\n");
  86             compute_message_hash(ctx, message);
  87         }
  88
  89         isds_message_free(&message);
  90         munmap_file(fd, buffer, length);
  91     }
  92
  93
  94     {
  95         /* Load plain signed message */
  96         struct isds_message *message = NULL;
  97         void *buffer;
  98         int fd;
  99         size_t length;
 100
 101         if (mmap_file(SRCDIR "/server/messages/sent_message-206720.xml",
 102                 &fd, &buffer, &length)) {
 103             fprintf(stderr, "Could not map file with plain signed message\n");
 104             isds_ctx_free(&ctx);
 105             isds_cleanup();
 106             exit(EXIT_FAILURE);
 107         }
 108
 109         printf("Loading plain signed sent message\n");
 110         err = isds_load_message(ctx, RAWTYPE_PLAIN_SIGNED_OUTGOING_MESSAGE,
 111                 buffer, length, &message, BUFFER_COPY);
 112         if (err)
 113             printf("isds_load_message() failed: %s: %s\n",
 114                     isds_strerror(err), isds_long_message(ctx));
 115         else {
 116             printf("isds_load_message() succeeded\n");
 117             compute_message_hash(ctx, message);
 118         }
 119
 120         isds_message_free(&message);
 121         munmap_file(fd, buffer, length);
 122     }
 123
 124
 125     {
 126         /* Load CMS signed message */
 127         struct isds_message *message = NULL;
 128         void *buffer;
 129         int fd;
 130         size_t length;
 131
 132         if (mmap_file(SRCDIR "/server/messages/signed_sent_message-151874.zfo",
 133                 &fd, &buffer, &length)) {
 134             fprintf(stderr, "Could not map file with CMS signed message\n");
 135             isds_ctx_free(&ctx);
 136             isds_cleanup();
 137             exit(EXIT_FAILURE);
 138         }
 139
 140         printf("Loading CMS signed sent message\n");
 141         err = isds_load_message(ctx, RAWTYPE_CMS_SIGNED_OUTGOING_MESSAGE,
 142                 buffer, length, &message, BUFFER_COPY);
 143         if (err)
 144             printf("isds_load_message() failed: %s: %s\n",
 145                     isds_strerror(err), isds_long_message(ctx));
 146         else {
 147             printf("isds_load_message() succeeded\n");
 148             compute_message_hash(ctx, message);
 149         }
 150
 151         isds_message_free(&message);
 152         munmap_file(fd, buffer, length);
 153     }
 154
 155
 156     err = isds_ctx_free(&ctx);
 157     if (err) {
 158         printf("isds_ctx_free() failed: %s\n", isds_strerror(err));
 159     }
 160
 161
 162     err = isds_cleanup();
 163     if (err) {
 164         printf("isds_cleanup() failed: %s\n", isds_strerror(err));
 165     }
 166
 167     exit (EXIT_SUCCESS);
 168 }