client/verifyreceivedhash.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
  11 int main(int argc, char **argv) {
  12     struct isds_ctx *ctx = NULL;
  13     isds_error err;
  14     char *last_message_id = NULL;
  15
  16     setlocale(LC_ALL, "");
  17
  18     err = isds_init();
  19     if (err) {
  20         printf("isds_init() failed: %s\n", isds_strerror(err));
  21         exit(EXIT_FAILURE);
  22     }
  23
  24     isds_set_logging(ILF_ALL & ~ILF_HTTP, ILL_ALL);
  25
  26     ctx = isds_ctx_create();
  27     if (!ctx) {
  28         printf("isds_ctx_create() failed");
  29     }
  30
  31     err = isds_set_timeout(ctx, 10000);
  32     if (err) {
  33         printf("isds_set_timeout() failed: %s\n", isds_strerror(err));
  34     }
  35
  36     err = isds_login(ctx, url, username(), password(), NULL, NULL);
  37     if (err) {
  38         printf("isds_login() failed: %s: %s\n", isds_strerror(err),
  39                 isds_long_message(ctx));
  40     } else {
  41         printf("Logged in :)\n");
  42     }
  43
  44
  45
  46     /* Get list of received messages */
  47     {
  48         struct tm from_time_tm = {
  49             .tm_year = 2000 - 1900,
  50             .tm_mon = 1 - 1,
  51             .tm_mday = 1,
  52             .tm_hour = 1,
  53             .tm_min = 2,
  54             .tm_sec = 3,
  55             .tm_isdst = -1
  56         };
  57         time_t from_time_t = mktime(&from_time_tm);
  58         struct timeval from_time = {
  59             .tv_sec = from_time_t,
  60             .tv_usec = 4000
  61         };
  62         unsigned long int number = 0;
  63         struct isds_list *messages = NULL, *item;
  64         struct isds_message *last_message = NULL;
  65
  66         /* TODO: Try different criteria */
  67         printf("Getting list of received messages\n");
  68         err = isds_get_list_of_received_messages(ctx, &from_time, NULL, NULL,
  69                 MESSAGESTATE_ANY, 0, &number, &messages);
  70         if (err)
  71             printf("isds_get_list_of_received_messages() failed: %s: %s\n",
  72                     isds_strerror(err), isds_long_message(ctx));
  73         else {
  74             printf("isds_get_list_of_received_messages() succeeded: "
  75                     "number of messages = %lu:\n", number);
  76             for(item = messages; item; item = item->next) {
  77                 last_message = (struct isds_message *) (item->data);
  78             }
  79
  80         }
  81
  82         if (last_message) {
  83             /*Save last message for latter refference */
  84             if (last_message->envelope && last_message->envelope->dmID) {
  85                 last_message_id = strdup(last_message->envelope->dmID);
  86             }
  87         }
  88
  89         isds_list_free(&messages);
  90     }
  91
  92
  93     if (last_message_id) {
  94         /* Download last message */
  95         struct isds_message *message = NULL;
  96
  97         printf("Getting last received message with ID: %s\n", last_message_id);
  98         err = isds_get_received_message(ctx, last_message_id, &message);
  99         if (err)
 100             printf("isds_get_received_message() failed: %s: %s\n",
 101                     isds_strerror(err), isds_long_message(ctx));
 102         else {
 103             printf("isds_get_received_message() succeeded:\n");
 104             print_message(message);
 105         }
 106
 107
 108         /* Verify message hash */
 109         printf("Verifying last received message hash against server\n");
 110         err = isds_verify_message_hash(ctx, message);
 111         if (!err) {
 112             printf("isds_verify_message_hash() succeeded: "
 113                     "message is genuine\n");
 114             printf("Computed hash: ");
 115             print_hash(message->envelope->hash);
 116         } else if (err == IE_NOTEQUAL) {
 117             printf("isds_verify_message_hash() failed: message is a fake\n");
 118             printf("Computed hash: ");
 119             print_hash(message->envelope->hash);
 120             printf("This should not happen\n");
 121         } else {
 122             printf("isds_verify_message_hash() failed: %s: %s\n",
 123                     isds_strerror(err), isds_long_message(ctx));
 124         }
 125
 126
 127         /* Download last signed message */
 128         printf("Getting last signed received message with ID: %s\n",
 129                 last_message_id);
 130         err = isds_get_signed_received_message(ctx, last_message_id, &message);
 131         if (err)
 132             printf("isds_get_signed_received_message() failed: %s: %s\n",
 133                     isds_strerror(err), isds_long_message(ctx));
 134         else {
 135             printf("isds_get_signed_received_message() succeeded:\n");
 136             printf("\tMessage should have the same content ;)\n");
 137         }
 138
 139         /* Verify signed message hash */
 140         printf("Verifying last signed received message hash against server\n");
 141         err = isds_verify_message_hash(ctx, message);
 142         if (!err) {
 143             printf("isds_verify_message_hash() succeeded: "
 144                     "message is genuine\n");
 145             printf("Computed hash: ");
 146             print_hash(message->envelope->hash);
 147         } else if (err == IE_NOTEQUAL) {
 148             printf("isds_verify_message_hash() failed: message is a fake\n");
 149             printf("Computed hash: ");
 150             print_hash(message->envelope->hash);
 151             printf("This should not happen\n");
 152         } else {
 153             printf("isds_verify_message_hash() failed: %s: %s\n",
 154                     isds_strerror(err), isds_long_message(ctx));
 155         }
 156
 157
 158         isds_message_free(&message);
 159         free(last_message_id);
 160     }
 161
 162
 163
 164     err = isds_logout(ctx);
 165     if (err) {
 166         printf("isds_logout() failed: %s\n", isds_strerror(err));
 167     }
 168
 169
 170     err = isds_ctx_free(&ctx);
 171     if (err) {
 172         printf("isds_ctx_free() failed: %s\n", isds_strerror(err));
 173     }
 174
 175
 176     err = isds_cleanup();
 177     if (err) {
 178         printf("isds_cleanup() failed: %s\n", isds_strerror(err));
 179     }
 180
 181     exit (EXIT_SUCCESS);
 182 }