client/verifyreceivedhash.c

   1 #include "../config.h"
   2 #define _XOPEN_SOURCE XOPEN_SOURCE_LEVEL_FOR_STRDUP
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <locale.h>
   6 #include <time.h>
   7 #include <string.h>
   8 #include <isds.h>
   9 #include "common.h"
  10
  11
  12 int main(void) {
  13     struct isds_ctx *ctx = NULL;
  14     isds_error err;
  15     char *last_message_id = NULL;
  16
  17     setlocale(LC_ALL, "");
  18
  19     err = isds_init();
  20     if (err) {
  21         printf("isds_init() failed: %s\n", isds_strerror(err));
  22         exit(EXIT_FAILURE);
  23     }
  24
  25     isds_set_logging(ILF_ALL & ~ILF_HTTP, ILL_ALL);
  26
  27     ctx = isds_ctx_create();
  28     if (!ctx) {
  29         printf("isds_ctx_create() failed");
  30     }
  31
  32     err = isds_set_timeout(ctx, 10000);
  33     if (err) {
  34         printf("isds_set_timeout() failed: %s\n", isds_strerror(err));
  35     }
  36
  37     err = isds_login(ctx, url, username(), password(), NULL, NULL);
  38     if (err) {
  39         printf("isds_login() failed: %s: %s\n", isds_strerror(err),
  40                 isds_long_message(ctx));
  41     } else {
  42         printf("Logged in :)\n");
  43     }
  44
  45
  46
  47     /* Get list of received messages */
  48     {
  49         struct tm from_time_tm = {
  50             .tm_year = 2000 - 1900,
  51             .tm_mon = 1 - 1,
  52             .tm_mday = 1,
  53             .tm_hour = 1,
  54             .tm_min = 2,
  55             .tm_sec = 3,
  56             .tm_isdst = -1
  57         };
  58         time_t from_time_t = mktime(&from_time_tm);
  59         struct timeval from_time = {
  60             .tv_sec = from_time_t,
  61             .tv_usec = 4000
  62         };
  63         unsigned long int number = 0;
  64         struct isds_list *messages = NULL, *item;
  65         struct isds_message *last_message = NULL;
  66
  67         /* TODO: Try different criteria */
  68         printf("Getting list of received messages\n");
  69         err = isds_get_list_of_received_messages(ctx, &from_time, NULL, NULL,
  70                 MESSAGESTATE_ANY, 0, &number, &messages);
  71         if (err)
  72             printf("isds_get_list_of_received_messages() failed: %s: %s\n",
  73                     isds_strerror(err), isds_long_message(ctx));
  74         else {
  75             printf("isds_get_list_of_received_messages() succeeded: "
  76                     "number of messages = %lu:\n", number);
  77             for(item = messages; item; item = item->next) {
  78                 last_message = (struct isds_message *) (item->data);
  79             }
  80
  81         }
  82
  83         if (last_message) {
  84             /*Save last message for latter refference */
  85             if (last_message->envelope && last_message->envelope->dmID) {
  86                 last_message_id = strdup(last_message->envelope->dmID);
  87             }
  88         }
  89
  90         isds_list_free(&messages);
  91     }
  92
  93
  94     if (last_message_id) {
  95         /* Download last message */
  96         struct isds_message *message = NULL;
  97
  98         printf("Getting last received message with ID: %s\n", last_message_id);
  99         err = isds_get_received_message(ctx, last_message_id, &message);
 100         if (err)
 101             printf("isds_get_received_message() failed: %s: %s\n",
 102                     isds_strerror(err), isds_long_message(ctx));
 103         else {
 104             printf("isds_get_received_message() succeeded:\n");
 105             print_message(message);
 106         }
 107
 108
 109         /* Verify message hash */
 110         printf("Verifying last received message hash against server\n");
 111         err = isds_verify_message_hash(ctx, message);
 112         if (!err) {
 113             printf("isds_verify_message_hash() succeeded: "
 114                     "message is genuine\n");
 115             printf("Computed hash: ");
 116             print_hash(message->envelope->hash);
 117         } else if (err == IE_NOTEQUAL) {
 118             printf("isds_verify_message_hash() failed: message is a fake\n");
 119             printf("Computed hash: ");
 120             print_hash(message->envelope->hash);
 121             printf("This should not happen\n");
 122         } else {
 123             printf("isds_verify_message_hash() failed: %s: %s\n",
 124                     isds_strerror(err), isds_long_message(ctx));
 125         }
 126
 127
 128         /* Download last signed message */
 129         printf("Getting last signed received message with ID: %s\n",
 130                 last_message_id);
 131         err = isds_get_signed_received_message(ctx, last_message_id, &message);
 132         if (err)
 133             printf("isds_get_signed_received_message() failed: %s: %s\n",
 134                     isds_strerror(err), isds_long_message(ctx));
 135         else {
 136             printf("isds_get_signed_received_message() succeeded:\n");
 137             printf("\tMessage should have the same content ;)\n");
 138         }
 139
 140         /* Verify signed message hash */
 141         printf("Verifying last signed received message hash against server\n");
 142         err = isds_verify_message_hash(ctx, message);
 143         if (!err) {
 144             printf("isds_verify_message_hash() succeeded: "
 145                     "message is genuine\n");
 146             printf("Computed hash: ");
 147             print_hash(message->envelope->hash);
 148         } else if (err == IE_NOTEQUAL) {
 149             printf("isds_verify_message_hash() failed: message is a fake\n");
 150             printf("Computed hash: ");
 151             print_hash(message->envelope->hash);
 152             printf("This should not happen\n");
 153         } else {
 154             printf("isds_verify_message_hash() failed: %s: %s\n",
 155                     isds_strerror(err), isds_long_message(ctx));
 156         }
 157
 158
 159         isds_message_free(&message);
 160         free(last_message_id);
 161     }
 162
 163
 164
 165     err = isds_logout(ctx);
 166     if (err) {
 167         printf("isds_logout() failed: %s\n", isds_strerror(err));
 168     }
 169
 170
 171     err = isds_ctx_free(&ctx);
 172     if (err) {
 173         printf("isds_ctx_free() failed: %s\n", isds_strerror(err));
 174     }
 175
 176
 177     err = isds_cleanup();
 178     if (err) {
 179         printf("isds_cleanup() failed: %s\n", isds_strerror(err));
 180     }
 181
 182     exit (EXIT_SUCCESS);
 183 }