Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 2001 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
SILC_CLIENT_CONFIG_SECTION_TYPE_PKCS, 2 },
{ "[hash]",
SILC_CLIENT_CONFIG_SECTION_TYPE_HASH_FUNCTION, 4 },
+ { "[hmac]",
+ SILC_CLIENT_CONFIG_SECTION_TYPE_HMAC, 3 },
{ "[connection]",
SILC_CLIENT_CONFIG_SECTION_TYPE_CONNECTION, 4 },
{ "[commands]",
SilcClientConfigParse *return_config)
{
int i, begin;
- unsigned int linenum;
+ uint32 linenum;
char line[1024], *cp;
SilcClientConfigSection *cptr = NULL;
SilcClientConfigParse parse = *return_config, first = NULL;
if (ret < 0)
break;
- /* Get block length */
+ /* Get key length */
ret = silc_config_get_token(line, &tmp);
if (ret < 0)
break;
if (ret == 0) {
- fprintf(stderr, "%s:%d: Cipher block length not defined\n",
+ fprintf(stderr, "%s:%d: Cipher key length not defined\n",
config->filename, pc->linenum);
break;
}
- config->cipher->block_len = atoi(tmp);
+ config->cipher->key_len = atoi(tmp);
silc_free(tmp);
- /* Get key length */
+ /* Get block length */
ret = silc_config_get_token(line, &tmp);
if (ret < 0)
break;
if (ret == 0) {
- fprintf(stderr, "%s:%d: Cipher key length not defined\n",
+ fprintf(stderr, "%s:%d: Cipher block length not defined\n",
config->filename, pc->linenum);
break;
}
- config->cipher->key_len = atoi(tmp);
+ config->cipher->block_len = atoi(tmp);
silc_free(tmp);
check = TRUE;
check = TRUE;
break;
+ case SILC_CLIENT_CONFIG_SECTION_TYPE_HMAC:
+
+ if (!config->hmac) {
+ config->hmac = silc_calloc(1, sizeof(*config->hmac));
+ config->hmac->next = NULL;
+ config->hmac->prev = NULL;
+ } else {
+ if (!config->hmac->next) {
+ config->hmac->next =
+ silc_calloc(1, sizeof(*config->hmac->next));
+ config->hmac->next->next = NULL;
+ config->hmac->next->prev = config->hmac;
+ config->hmac = config->hmac->next;
+ }
+ }
+
+ /* Get HMAC name */
+ ret = silc_config_get_token(line, &config->hmac->alg_name);
+ if (ret < 0)
+ break;
+ if (ret == 0) {
+ fprintf(stderr, "%s:%d: HMAC name not defined\n",
+ config->filename, pc->linenum);
+ break;
+ }
+
+ /* Get Hash function name */
+ ret = silc_config_get_token(line, &config->hmac->sim_name);
+ if (ret < 0)
+ break;
+ if (ret == 0) {
+ fprintf(stderr, "%s:%d: Hash function name not defined\n",
+ config->filename, pc->linenum);
+ break;
+ }
+
+ /* Get MAC length */
+ ret = silc_config_get_token(line, &tmp);
+ if (ret < 0)
+ break;
+ if (ret == 0) {
+ fprintf(stderr, "%s:%d: HMAC's MAC length not defined\n",
+ config->filename, pc->linenum);
+ break;
+ }
+ config->hmac->key_len = atoi(tmp);
+ silc_free(tmp);
+
+ check = TRUE;
+ break;
+
case SILC_CLIENT_CONFIG_SECTION_TYPE_CONNECTION:
if (!config->conns) {
}
if (!strcmp(tmp, SILC_CLIENT_CONFIG_AUTH_METH_PASSWD))
- config->conns->auth_meth = SILC_PROTOCOL_CONN_AUTH_PASSWORD;
+ config->conns->auth_meth = SILC_AUTH_PASSWORD;
if (!strcmp(tmp, SILC_CLIENT_CONFIG_AUTH_METH_PUBKEY))
- config->conns->auth_meth = SILC_PROTOCOL_CONN_AUTH_PUBLIC_KEY;
+ config->conns->auth_meth = SILC_AUTH_PUBLIC_KEY;
silc_free(tmp);
}
config->pkcs = config->pkcs->prev;
while (config->hash_func && config->hash_func->prev)
config->hash_func = config->hash_func->prev;
+ while (config->hmac && config->hmac->prev)
+ config->hmac = config->hmac->prev;
while (config->conns && config->conns->prev)
config->conns = config->conns->prev;
while (config->commands && config->commands->prev)
/* Load (try at least) the crypto SIM module */
SilcCipherObject cipher;
SilcSimContext *sim;
+ char *alg_name;
memset(&cipher, 0, sizeof(cipher));
cipher.name = alg->alg_name;
sim->type = SILC_SIM_CIPHER;
sim->libname = alg->sim_name;
+ alg_name = strdup(alg->alg_name);
+ if (strchr(alg_name, '-'))
+ *strchr(alg_name, '-') = '\0';
+
if ((silc_sim_load(sim))) {
cipher.set_key =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
+ silc_sim_getsym(sim, silc_sim_symname(alg_name,
SILC_CIPHER_SIM_SET_KEY));
SILC_LOG_DEBUG(("set_key=%p", cipher.set_key));
cipher.set_key_with_string =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
+ silc_sim_getsym(sim, silc_sim_symname(alg_name,
SILC_CIPHER_SIM_SET_KEY_WITH_STRING));
SILC_LOG_DEBUG(("set_key_with_string=%p", cipher.set_key_with_string));
cipher.encrypt =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
+ silc_sim_getsym(sim, silc_sim_symname(alg_name,
SILC_CIPHER_SIM_ENCRYPT_CBC));
SILC_LOG_DEBUG(("encrypt_cbc=%p", cipher.encrypt));
cipher.decrypt =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
+ silc_sim_getsym(sim, silc_sim_symname(alg_name,
SILC_CIPHER_SIM_DECRYPT_CBC));
SILC_LOG_DEBUG(("decrypt_cbc=%p", cipher.decrypt));
cipher.context_len =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
+ silc_sim_getsym(sim, silc_sim_symname(alg_name,
SILC_CIPHER_SIM_CONTEXT_LEN));
SILC_LOG_DEBUG(("context_len=%p", cipher.context_len));
(app->sim_count + 1));
app->sim[app->sim_count] = sim;
app->sim_count++;
+
+ silc_free(alg_name);
} else {
SILC_LOG_ERROR(("Error configuring ciphers"));
silc_client_stop(client);
}
}
-/* Registers configured hash functions. These can then be allocated by the
+/* Registers configured hash funtions. These can then be allocated by the
client when needed. */
void silc_client_config_register_hashfuncs(SilcClientConfig config)
alg = config->hash_func;
while(alg) {
-
if (!alg->sim_name) {
- /* Hash module is supposed to be built in. Nothing to be done
- here except to test that the hash function really is built in. */
- SilcHash tmp = NULL;
-
- if (silc_hash_alloc(alg->alg_name, &tmp) == FALSE) {
- SILC_LOG_ERROR(("Unsupported hash function `%s'", alg->alg_name));
+ if (!silc_hash_is_supported(alg->alg_name)) {
+ SILC_LOG_ERROR(("Unsupported hash function `%s'",
+ alg->alg_name));
silc_client_stop(client);
exit(1);
}
- silc_free(tmp);
-
-#ifdef SILC_SIM
- } else {
- /* Load (try at least) the hash SIM module */
- SilcHashObject hash;
- SilcSimContext *sim;
+ }
+ alg = alg->next;
+ }
+}
- memset(&hash, 0, sizeof(hash));
- hash.name = alg->alg_name;
- hash.block_len = alg->block_len;
- hash.hash_len = alg->key_len;
+/* Registers configured HMACs. These can then be allocated by the
+ client when needed. */
- sim = silc_sim_alloc();
- sim->type = SILC_SIM_HASH;
- sim->libname = alg->sim_name;
+void silc_client_config_register_hmacs(SilcClientConfig config)
+{
+ SilcClientConfigSectionAlg *alg;
+ SilcClientInternal app = (SilcClientInternal)config->client;
+ SilcClient client = app->client;
- if ((silc_sim_load(sim))) {
- hash.init =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
- SILC_HASH_SIM_INIT));
- SILC_LOG_DEBUG(("init=%p", hash.init));
- hash.update =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
- SILC_HASH_SIM_UPDATE));
- SILC_LOG_DEBUG(("update=%p", hash.update));
- hash.final =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
- SILC_HASH_SIM_FINAL));
- SILC_LOG_DEBUG(("final=%p", hash.final));
- hash.context_len =
- silc_sim_getsym(sim, silc_sim_symname(alg->alg_name,
- SILC_HASH_SIM_CONTEXT_LEN));
- SILC_LOG_DEBUG(("context_len=%p", hash.context_len));
+ SILC_LOG_DEBUG(("Registering configured HMACs"));
- /* Put the SIM to the table of all SIM's in client */
- app->sim = silc_realloc(app->sim,
- sizeof(*app->sim) *
- (app->sim_count + 1));
- app->sim[app->sim_count] = sim;
- app->sim_count++;
- } else {
- SILC_LOG_ERROR(("Error configuring hash functions"));
- silc_client_stop(client);
- exit(1);
- }
+ if (!config->hmac) {
+ SILC_LOG_ERROR(("HMACs are not configured. SILC cannot work without "
+ "HMACs"));
+ silc_client_stop(client);
+ exit(1);
+ }
- /* Register the cipher */
- silc_hash_register(&hash);
-#endif
+ alg = config->hmac;
+ while(alg) {
+ SilcHmacObject hmac;
+
+ if (!silc_hash_is_supported(alg->sim_name)) {
+ SILC_LOG_ERROR(("Unsupported hash function `%s'",
+ alg->sim_name));
+ silc_client_stop(client);
+ exit(1);
}
+
+ /* Register the HMAC */
+ memset(&hmac, 0, sizeof(hmac));
+ hmac.name = alg->alg_name;
+ hmac.len = alg->key_len;
+ silc_hmac_register(&hmac);
alg = alg->next;
}
}
-
SilcClientConfigSectionConnection *
silc_client_config_find_connection(SilcClientConfig config,
char *host, int port)
projects / silc.git / blobdiff