X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=12dc144a29501a05280f0d974ac93322f0c38f3a;hb=0912276c6467aa3ee6f570b31245367319da572a;hp=33341296187ac941d50459b736dc44690794a129;hpb=3a149f7521dfff67e6a790c1a830afc649ae083e;p=tinc diff --git a/src/protocol_auth.c b/src/protocol_auth.c index 33341296..12dc144a 100644 --- a/src/protocol_auth.c +++ b/src/protocol_auth.c @@ -246,7 +246,7 @@ static bool receive_invitation_sptps(void *handle, uint8_t type, const void *dat memcpy(hashbuf, data, 18); memcpy(hashbuf + 18, fingerprint, sizeof(hashbuf) - 18); sha512(hashbuf, sizeof(hashbuf), cookie); - b64encode_urlsafe(cookie, cookie, 18); + b64encode_tinc_urlsafe(cookie, cookie, 18); free(fingerprint); char filename[PATH_MAX], usedname[PATH_MAX]; @@ -509,18 +509,24 @@ bool send_metakey(connection_t *c) { */ size_t keylen = cipher_keylength(myself->incipher); + const char *cipher_name; if(keylen <= 16) { - c->outcipher = cipher_open_by_name("aes-128-cfb"); + cipher_name = "aes-128-cfb"; } else if(keylen <= 24) { - c->outcipher = cipher_open_by_name("aes-192-cfb"); + cipher_name = "aes-192-cfb"; } else { - c->outcipher = cipher_open_by_name("aes-256-cfb"); + cipher_name = "aes-256-cfb"; } - c->outbudget = cipher_budget(c->outcipher); + if(!cipher_open_by_name(&c->outcipher, cipher_name)) { + return false; + } + + c->outbudget = cipher_budget(&c->outcipher); - if(!(c->outdigest = digest_open_by_name("sha256", DIGEST_ALGO_SIZE))) { + if(!digest_open_by_name(&c->outdigest, "sha256", DIGEST_ALGO_SIZE)) { + cipher_close(&c->outcipher); return false; } @@ -545,7 +551,7 @@ bool send_metakey(connection_t *c) { key[0] &= 0x7F; - if(!cipher_set_key_from_rsa(c->outcipher, key, len, true)) { + if(!cipher_set_key_from_rsa(&c->outcipher, key, len, true)) { return false; } @@ -573,8 +579,8 @@ bool send_metakey(connection_t *c) { /* Send the meta key */ bool result = send_request(c, "%d %d %d %d %d %s", METAKEY, - cipher_get_nid(c->outcipher), - digest_get_nid(c->outdigest), c->outmaclength, + cipher_get_nid(&c->outcipher), + digest_get_nid(&c->outdigest), c->outmaclength, c->outcompression, hexkey); c->status.encryptout = true; @@ -623,7 +629,7 @@ bool metakey_h(connection_t *c, const char *request) { /* Check and lookup cipher and digest algorithms */ if(cipher) { - if(!(c->incipher = cipher_open_by_nid(cipher)) || !cipher_set_key_from_rsa(c->incipher, key, len, false)) { + if(!cipher_open_by_nid(&c->incipher, cipher) || !cipher_set_key_from_rsa(&c->incipher, key, len, false)) { logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of cipher from %s (%s)", c->name, c->hostname); return false; } @@ -632,10 +638,10 @@ bool metakey_h(connection_t *c, const char *request) { return false; } - c->inbudget = cipher_budget(c->incipher); + c->inbudget = cipher_budget(&c->incipher); if(digest) { - if(!(c->indigest = digest_open_by_nid(digest, DIGEST_ALGO_SIZE))) { + if(!digest_open_by_nid(&c->indigest, digest, DIGEST_ALGO_SIZE)) { logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of digest from %s (%s)", c->name, c->hostname); return false; } @@ -709,12 +715,12 @@ bool challenge_h(connection_t *c, const char *request) { bool send_chal_reply(connection_t *c) { const size_t len = rsa_size(myself->connection->rsa); - size_t digestlen = digest_length(c->indigest); + size_t digestlen = digest_length(&c->indigest); char digest[digestlen * 2 + 1]; /* Calculate the hash from the challenge we received */ - if(!digest_create(c->indigest, c->mychallenge, len, digest)) { + if(!digest_create(&c->indigest, c->mychallenge, len, digest)) { return false; } @@ -745,7 +751,7 @@ bool chal_reply_h(connection_t *c, const char *request) { /* Check if the length of the hash is all right */ - if(inlen != digest_length(c->outdigest)) { + if(inlen != digest_length(&c->outdigest)) { logger(DEBUG_ALWAYS, LOG_ERR, "Possible intruder %s (%s): %s", c->name, c->hostname, "wrong challenge reply length"); return false; } @@ -753,7 +759,7 @@ bool chal_reply_h(connection_t *c, const char *request) { /* Verify the hash */ - if(!digest_verify(c->outdigest, c->hischallenge, rsa_size(c->rsa), hishash)) { + if(!digest_verify(&c->outdigest, c->hischallenge, rsa_size(c->rsa), hishash)) { logger(DEBUG_ALWAYS, LOG_ERR, "Possible intruder %s (%s): %s", c->name, c->hostname, "wrong challenge reply"); return false; } @@ -886,7 +892,7 @@ static void send_everything(connection_t *c) { } if(tunnelserver) { - for splay_each(subnet_t, s, myself->subnet_tree) { + for splay_each(subnet_t, s, &myself->subnet_tree) { send_add_subnet(c, s); } @@ -894,11 +900,11 @@ static void send_everything(connection_t *c) { } for splay_each(node_t, n, &node_tree) { - for splay_each(subnet_t, s, n->subnet_tree) { + for splay_each(subnet_t, s, &n->subnet_tree) { send_add_subnet(c, s); } - for splay_each(edge_t, e, n->edge_tree) { + for splay_each(edge_t, e, &n->edge_tree) { send_add_edge(c, e); } }