X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=1b8794d1385377b66de065afeebc1be9ae413ba6;hp=28c6fea07f9c97d917185adc0ab58fe6ff80e57e;hb=5db596c6844169f1eb5f804b72abe99d067aaa5a;hpb=2a7f11c0e90f5f0465bbc3c75de715454066ff72 diff --git a/src/protocol_auth.c b/src/protocol_auth.c index 28c6fea0..1b8794d1 100644 --- a/src/protocol_auth.c +++ b/src/protocol_auth.c @@ -1,7 +1,7 @@ /* protocol_auth.c -- handle the meta-protocol, authentication - Copyright (C) 1999-2002 Ivo Timmermans , - 2000-2002 Guus Sliepen + Copyright (C) 1999-2003 Ivo Timmermans , + 2000-2003 Guus Sliepen 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 @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: protocol_auth.c,v 1.1.4.22 2003/07/06 23:16:29 guus Exp $ + $Id: protocol_auth.c,v 1.1.4.23 2003/07/12 17:41:47 guus Exp $ */ #include "config.h" @@ -65,7 +65,7 @@ int id_h(connection_t *c) cp(); if(sscanf(c->buffer, "%*d " MAX_STRING " %d", name, &c->protocol_version) != 2) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s)"), "ID", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s)"), "ID", c->name, c->hostname); return -1; } @@ -73,7 +73,7 @@ int id_h(connection_t *c) /* Check if identity is a valid name */ if(check_id(name)) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s): %s"), "ID", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ID", c->name, c->hostname, "invalid name"); return -1; } @@ -82,7 +82,7 @@ int id_h(connection_t *c) if(c->name) { if(strcmp(c->name, name)) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Peer %s is %s instead of %s"), c->hostname, name, + logger(LOG_ERR, _("Peer %s is %s instead of %s"), c->hostname, name, c->name); return -1; } @@ -92,7 +92,7 @@ int id_h(connection_t *c) /* Check if version matches */ if(c->protocol_version != myself->connection->protocol_version) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Peer %s (%s) uses incompatible version %d"), + logger(LOG_ERR, _("Peer %s (%s) uses incompatible version %d"), c->name, c->hostname, c->protocol_version); return -1; } @@ -110,7 +110,7 @@ int id_h(connection_t *c) bla = read_connection_config(c); if(bla) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Peer %s had unknown identity (%s)"), c->hostname, + logger(LOG_ERR, _("Peer %s had unknown identity (%s)"), c->hostname, c->name); return -1; } @@ -166,10 +166,10 @@ int send_metakey(connection_t *c) c->outkey[0] &= 0x7F; - if(debug_level >= DEBUG_SCARY_THINGS) { + ifdebug(SCARY_THINGS) { bin2hex(c->outkey, buffer, len); buffer[len * 2] = '\0'; - logger(DEBUG_ALWAYS, LOG_DEBUG, _("Generated random meta key (unencrypted): %s"), + logger(LOG_DEBUG, _("Generated random meta key (unencrypted): %s"), buffer); } @@ -181,7 +181,7 @@ int send_metakey(connection_t *c) */ if(RSA_public_encrypt(len, c->outkey, buffer, c->rsa_key, RSA_NO_PADDING) != len) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Error during encryption of meta key for %s (%s)"), + logger(LOG_ERR, _("Error during encryption of meta key for %s (%s)"), c->name, c->hostname); return -1; } @@ -221,7 +221,7 @@ int metakey_h(connection_t *c) cp(); if(sscanf(c->buffer, "%*d %d %d %d %d " MAX_STRING, &cipher, &digest, &maclength, &compression, buffer) != 5) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s)"), "METAKEY", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s)"), "METAKEY", c->name, c->hostname); return -1; } @@ -231,7 +231,7 @@ int metakey_h(connection_t *c) /* Check if the length of the meta key is all right */ if(strlen(buffer) != len * 2) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, "wrong keylength"); + logger(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, "wrong keylength"); return -1; } @@ -250,15 +250,15 @@ int metakey_h(connection_t *c) /* Decrypt the meta key */ if(RSA_private_decrypt(len, buffer, c->inkey, myself->connection->rsa_key, RSA_NO_PADDING) != len) { /* See challenge() */ - logger(DEBUG_ALWAYS, LOG_ERR, _("Error during encryption of meta key for %s (%s)"), + logger(LOG_ERR, _("Error during encryption of meta key for %s (%s)"), c->name, c->hostname); return -1; } - if(debug_level >= DEBUG_SCARY_THINGS) { + ifdebug(SCARY_THINGS) { bin2hex(c->inkey, buffer, len); buffer[len * 2] = '\0'; - logger(DEBUG_ALWAYS, LOG_DEBUG, _("Received random meta key (unencrypted): %s"), buffer); + logger(LOG_DEBUG, _("Received random meta key (unencrypted): %s"), buffer); } /* All incoming requests will now be encrypted. */ @@ -269,7 +269,7 @@ int metakey_h(connection_t *c) c->incipher = EVP_get_cipherbynid(cipher); if(!c->incipher) { - logger(DEBUG_ALWAYS, LOG_ERR, _("%s (%s) uses unknown cipher!"), c->name, c->hostname); + logger(LOG_ERR, _("%s (%s) uses unknown cipher!"), c->name, c->hostname); return -1; } @@ -289,12 +289,12 @@ int metakey_h(connection_t *c) c->indigest = EVP_get_digestbynid(digest); if(!c->indigest) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Node %s (%s) uses unknown digest!"), c->name, c->hostname); + logger(LOG_ERR, _("Node %s (%s) uses unknown digest!"), c->name, c->hostname); return -1; } if(c->inmaclength > c->indigest->md_size || c->inmaclength < 0) { - logger(DEBUG_ALWAYS, LOG_ERR, _("%s (%s) uses bogus MAC length!"), c->name, c->hostname); + logger(LOG_ERR, _("%s (%s) uses bogus MAC length!"), c->name, c->hostname); return -1; } } else { @@ -348,7 +348,7 @@ int challenge_h(connection_t *c) cp(); if(sscanf(c->buffer, "%*d " MAX_STRING, buffer) != 1) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s)"), "CHALLENGE", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s)"), "CHALLENGE", c->name, c->hostname); return -1; } @@ -358,7 +358,7 @@ int challenge_h(connection_t *c) /* Check if the length of the challenge is all right */ if(strlen(buffer) != len * 2) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, + logger(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, "wrong challenge length"); return -1; } @@ -412,7 +412,7 @@ int chal_reply_h(connection_t *c) cp(); if(sscanf(c->buffer, "%*d " MAX_STRING, hishash) != 1) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s)"), "CHAL_REPLY", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s)"), "CHAL_REPLY", c->name, c->hostname); return -1; } @@ -420,7 +420,7 @@ int chal_reply_h(connection_t *c) /* Check if the length of the hash is all right */ if(strlen(hishash) != c->outdigest->md_size * 2) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, + logger(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, _("wrong challenge reply length")); return -1; } @@ -438,13 +438,13 @@ int chal_reply_h(connection_t *c) /* Verify the incoming hash with the calculated hash */ if(memcmp(hishash, myhash, c->outdigest->md_size)) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, + logger(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, _("wrong challenge reply")); - if(debug_level >= DEBUG_SCARY_THINGS) { + ifdebug(SCARY_THINGS) { bin2hex(myhash, hishash, SHA_DIGEST_LENGTH); hishash[SHA_DIGEST_LENGTH * 2] = '\0'; - logger(DEBUG_ALWAYS, LOG_DEBUG, _("Expected challenge reply: %s"), hishash); + logger(LOG_DEBUG, _("Expected challenge reply: %s"), hishash); } return -1; @@ -516,7 +516,7 @@ int ack_h(connection_t *c) cp(); if(sscanf(c->buffer, "%*d " MAX_STRING " %d %lx", hisport, &weight, &options) != 3) { - logger(DEBUG_ALWAYS, LOG_ERR, _("Got bad %s from %s (%s)"), "ACK", c->name, + logger(LOG_ERR, _("Got bad %s from %s (%s)"), "ACK", c->name, c->hostname); return -1; } @@ -532,7 +532,7 @@ int ack_h(connection_t *c) } else { if(n->connection) { /* Oh dear, we already have a connection to this node. */ - logger(DEBUG_CONNECTIONS, LOG_DEBUG, _("Established a second connection with %s (%s), closing old connection"), + ifdebug(CONNECTIONS) logger(LOG_DEBUG, _("Established a second connection with %s (%s), closing old connection"), n->name, n->hostname); terminate_connection(n->connection, 0); /* Run graph algorithm to purge key and make sure up/down scripts are rerun with new IP addresses and stuff */ @@ -549,7 +549,7 @@ int ack_h(connection_t *c) c->allow_request = ALL; c->status.active = 1; - logger(DEBUG_CONNECTIONS, LOG_NOTICE, _("Connection with %s (%s) activated"), c->name, + ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection with %s (%s) activated"), c->name, c->hostname); /* Send him everything we know */