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_set_tls(ctx, ITLS_VERIFY_SERVER, 0);
  37     if (err) {
  38         printf("isds_set_tls(ITLS_VERIFY_SERVER) failed: %s\n",
  39                 isds_strerror(err));
  40     }
  41
  42     err = isds_set_tls(ctx, ITLS_CA_FILE, "/etc/ssl/certs/ca-certificates.crt");
  43     if (err) {
  44         printf("isds_set_tls(ITLS_CA_FILE) failed: %s\n",
  45                 isds_strerror(err));
  46     }*/
  47
  48     err = isds_login(ctx, url, username, password, NULL, NULL);
  49     if (err) {
  50         printf("isds_login() failed: %s: %s\n", isds_strerror(err),
  51                 isds_long_message(ctx));
  52     } else {
  53         printf("Logged in :)\n");
  54     }
  55
  56
  57
  58     /* Get list of received messages */
  59     {
  60         struct tm from_time_tm = {
  61             .tm_year = 2000 - 1900,
  62             .tm_mon = 1 - 1,
  63             .tm_mday = 1,
  64             .tm_hour = 1,
  65             .tm_min = 2,
  66             .tm_sec = 3,
  67             .tm_isdst = -1
  68         };
  69         time_t from_time_t = mktime(&from_time_tm);
  70         struct timeval from_time = {
  71             .tv_sec = from_time_t,
  72             .tv_usec = 4000
  73         };
  74         unsigned long int number = 0;
  75         struct isds_list *messages = NULL, *item;
  76         struct isds_message *last_message = NULL;
  77
  78         /* TODO: Try different criteria */
  79         printf("Getting list of received messages\n");
  80         err = isds_get_list_of_received_messages(ctx, &from_time, NULL, NULL,
  81                 MESSAGESTATE_ANY, 0, &number, &messages);
  82         if (err)
  83             printf("isds_get_list_of_received_messages() failed: %s: %s\n",
  84                     isds_strerror(err), isds_long_message(ctx));
  85         else {
  86             printf("isds_get_list_of_received_messages() succeeded: "
  87                     "number of messages = %lu:\n", number);
  88             for(item = messages; item; item = item->next) {
  89                 last_message = (struct isds_message *) (item->data);
  90             }
  91
  92         }
  93
  94         if (last_message) {
  95             /*Save last message for latter refference */
  96             if (last_message->envelope && last_message->envelope->dmID) {
  97                 last_message_id = strdup(last_message->envelope->dmID);
  98             }
  99         }
 100
 101         isds_list_free(&messages);
 102     }
 103
 104
 105     if (last_message_id) {
 106         /* Download last message */
 107         struct isds_message *message = NULL;
 108
 109         printf("Getting last received message with ID: %s\n", last_message_id);
 110         err = isds_get_received_message(ctx, last_message_id, &message);
 111         if (err)
 112             printf("isds_get_received_message() failed: %s: %s\n",
 113                     isds_strerror(err), isds_long_message(ctx));
 114         else {
 115             printf("isds_get_received_message() succeeded:\n");
 116             print_message(message);
 117         }
 118
 119
 120         /* Verify message hash */
 121         printf("Verifying last received message hash against server\n");
 122         err = isds_verify_message_hash(ctx, message);
 123         if (!err) {
 124             printf("isds_verify_message_hash() succeeded: "
 125                     "message is genuine\n");
 126             printf("Computed hash: ");
 127             print_hash(message->envelope->hash);
 128         } else if (err == IE_NOTEQUAL) {
 129             printf("isds_verify_message_hash() failed: message is a fake\n");
 130             printf("Computed hash: ");
 131             print_hash(message->envelope->hash);
 132             printf("This should not happen\n");
 133         } else {
 134             printf("isds_verify_message_hash() failed: %s: %s\n",
 135                     isds_strerror(err), isds_long_message(ctx));
 136         }
 137
 138
 139         /* Download last signed message */
 140         printf("Getting last signed received message with ID: %s\n",
 141                 last_message_id);
 142         err = isds_get_signed_received_message(ctx, last_message_id, &message);
 143         if (err)
 144             printf("isds_get_signed_received_message() failed: %s: %s\n",
 145                     isds_strerror(err), isds_long_message(ctx));
 146         else {
 147             printf("isds_get_signed_received_message() succeeded:\n");
 148             printf("\tMessage should have the same content ;)\n");
 149         }
 150
 151         /* Verify signed message hash */
 152         printf("Verifying last signed received message hash against server\n");
 153         err = isds_verify_message_hash(ctx, message);
 154         if (!err) {
 155             printf("isds_verify_message_hash() succeeded: "
 156                     "message is genuine\n");
 157             printf("Computed hash: ");
 158             print_hash(message->envelope->hash);
 159         } else if (err == IE_NOTEQUAL) {
 160             printf("isds_verify_message_hash() failed: message is a fake\n");
 161             printf("Computed hash: ");
 162             print_hash(message->envelope->hash);
 163             printf("This should not happen\n");
 164         } else {
 165             printf("isds_verify_message_hash() failed: %s: %s\n",
 166                     isds_strerror(err), isds_long_message(ctx));
 167         }
 168
 169
 170         isds_message_free(&message);
 171         free(last_message_id);
 172     }
 173
 174
 175
 176     err = isds_logout(ctx);
 177     if (err) {
 178         printf("isds_logout() failed: %s\n", isds_strerror(err));
 179     }
 180
 181
 182     err = isds_ctx_free(&ctx);
 183     if (err) {
 184         printf("isds_ctx_free() failed: %s\n", isds_strerror(err));
 185     }
 186
 187
 188     err = isds_cleanup();
 189     if (err) {
 190         printf("isds_cleanup() failed: %s\n", isds_strerror(err));
 191     }
 192
 193     exit (EXIT_SUCCESS);
 194 }