X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=d4bb4074f69efd82b90aaa94aa3f42198d709d6a;hb=bcac314fe2d758e85335d499dbb4300bfa8a599e;hp=fc39b64e0dc0d9b03a9147b56a774c8ba416abc3;hpb=7208397398f7e08d741bfa83594a88e5d01b6220;p=tinc diff --git a/src/protocol_auth.c b/src/protocol_auth.c index fc39b64e..d4bb4074 100644 --- a/src/protocol_auth.c +++ b/src/protocol_auth.c @@ -26,7 +26,6 @@ #include "control_common.h" #include "cipher.h" #include "crypto.h" -#include "device.h" #include "digest.h" #include "ecdsa.h" #include "edge.h" @@ -37,7 +36,6 @@ #include "net.h" #include "netutl.h" #include "node.h" -#include "prf.h" #include "protocol.h" #include "rsa.h" #include "script.h" @@ -70,7 +68,7 @@ static bool send_proxyrequest(connection_t *c) { return false; } - char s4req[9 + (proxyuser ? strlen(proxyuser) : 0)]; + uint8_t s4req[9 + (proxyuser ? strlen(proxyuser) : 0)]; s4req[0] = 4; s4req[1] = 1; memcpy(s4req + 2, &c->address.in.sin_port, 2); @@ -86,15 +84,15 @@ static bool send_proxyrequest(connection_t *c) { } case PROXY_SOCKS5: { - int len = 3 + 6 + (c->address.sa.sa_family == AF_INET ? 4 : 16); + size_t len = 3 + 6 + (c->address.sa.sa_family == AF_INET ? 4 : 16); c->tcplen = 2; if(proxypass) { len += 3 + strlen(proxyuser) + strlen(proxypass); } - char s5req[len]; - int i = 0; + uint8_t s5req[len]; + size_t i = 0; s5req[i++] = 5; s5req[i++] = 1; @@ -429,7 +427,7 @@ bool id_h(connection_t *c, const char *request) { if(bypass_security) { if(!c->config_tree) { - init_configuration(&c->config_tree); + c->config_tree = create_configuration(); } c->allow_request = ACK; @@ -446,7 +444,7 @@ bool id_h(connection_t *c, const char *request) { } if(!c->config_tree) { - init_configuration(&c->config_tree); + c->config_tree = create_configuration(); if(!read_host_config(c->config_tree, c->name, false)) { logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s had unknown identity (%s)", c->hostname, c->name); @@ -510,23 +508,25 @@ bool send_metakey(connection_t *c) { by Cipher. */ - int keylen = cipher_keylength(myself->incipher); + 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"; } - if(!c) { + if(!cipher_open_by_name(&c->outcipher, cipher_name)) { return false; } - c->outbudget = cipher_budget(c->outcipher); + c->outbudget = cipher_budget(&c->outcipher); - if(!(c->outdigest = digest_open_by_name("sha256", -1))) { + if(!digest_open_by_name(&c->outdigest, "sha256", DIGEST_ALGO_SIZE)) { + cipher_close(&c->outcipher); return false; } @@ -551,7 +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; } @@ -579,8 +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; @@ -629,7 +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; } @@ -638,10 +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, -1))) { + 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; } @@ -715,12 +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; } @@ -751,7 +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; } @@ -759,7 +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; } @@ -847,7 +847,7 @@ bool send_ack(connection_t *c) { /* Estimate weight */ gettimeofday(&now, NULL); - c->estimated_weight = (now.tv_sec - c->start.tv_sec) * 1000 + (now.tv_usec - c->start.tv_usec) / 1000; + c->estimated_weight = (int)((now.tv_sec - c->start.tv_sec) * 1000 + (now.tv_usec - c->start.tv_usec) / 1000); /* Check some options */ @@ -871,7 +871,7 @@ bool send_ack(connection_t *c) { } if(!get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight)) { - get_config_int(lookup_config(config_tree, "Weight"), &c->estimated_weight); + get_config_int(lookup_config(&config_tree, "Weight"), &c->estimated_weight); } return send_request(c, "%d %s %d %x", ACK, myport, c->estimated_weight, (c->options & 0xffffff) | (experimental ? (PROT_MINOR << 24) : 0)); @@ -892,19 +892,19 @@ 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); } return; } - for splay_each(node_t, n, node_tree) { - for splay_each(subnet_t, s, n->subnet_tree) { + for splay_each(node_t, n, &node_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); } } @@ -1011,7 +1011,7 @@ bool ack_h(connection_t *c, const char *request) { n->mtu = mtu; } - if(get_config_int(lookup_config(config_tree, "PMTU"), &mtu) && mtu < n->mtu) { + if(get_config_int(lookup_config(&config_tree, "PMTU"), &mtu) && mtu < n->mtu) { n->mtu = mtu; }