X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol.c;h=42b41ebc09e6118fe7485b6181a4a032b39bafe9;hb=1d5bb49f261b4346b5a440ae6bbf58fe391ea46e;hp=e26978bd1f7d6c773efcf836d64d04716bdd1fdf;hpb=6e39481d8f2406e60b5e329ace08b5a005d5cc43;p=tinc diff --git a/src/protocol.c b/src/protocol.c index e26978bd..42b41ebc 100644 --- a/src/protocol.c +++ b/src/protocol.c @@ -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.c,v 1.28.4.37 2000/10/11 13:42:52 guus Exp $ + $Id: protocol.c,v 1.28.4.39 2000/10/14 17:04:15 guus Exp $ */ #include "config.h" @@ -87,7 +87,7 @@ cp if(debug_lvl >= DEBUG_PROTOCOL) syslog(LOG_DEBUG, _("Sending %s to %s (%s)"), request_name[request], cl->name, cl->hostname); cp - return send_meta(cl, buffer, length); + return send_meta(cl, buffer, len); } int receive_request(conn_list_t *cl) @@ -235,7 +235,7 @@ cp /* Convert the random data to a hexadecimal formatted string */ bin2hex(cl->hischallenge,buffer,CHAL_LENGTH); - buffer[keylength*2] = '\0'; + buffer[CHAL_LENGTH*2] = '\0'; /* Send the challenge */ @@ -399,9 +399,10 @@ cp /* Exchange information about other tinc daemons */ +/* FIXME: reprogram this. notify_others(cl, NULL, send_add_host); notify_one(cl); - +*/ upstreamindex = 0; cp @@ -450,7 +451,7 @@ cp /* Check if subnet string is valid */ - if((subnet = str2net(subnetstr)) == -1) + if(!(subnet = str2net(subnetstr))) { syslog(LOG_ERR, _("Got bad ADD_SUBNET from %s (%s): invalid subnet string"), cl->name, cl->hostname); free(name); free(subnetstr); @@ -472,7 +473,7 @@ cp /* Check if the owner of the new subnet is in the connection list */ - if(!(owner = lookup_id(name)) + if(!(owner = lookup_id(name))) { syslog(LOG_ERR, _("Got ADD_SUBNET for %s from %s (%s) which is not in our connection list"), name, cl->name, cl->hostname); @@ -481,8 +482,10 @@ cp } /* If everything is correct, add the subnet to the list of the owner */ + + subnet_add(owner, subnet); cp - return subnet_add(owner, subnet); + return 0; } int send_del_subnet(conn_list_t *cl, conn_list_t *other, subnet_t *subnet) @@ -516,7 +519,7 @@ cp /* Check if subnet string is valid */ - if((subnet = str2net(subnetstr)) == -1) + if(!(subnet = str2net(subnetstr))) { syslog(LOG_ERR, _("Got bad DEL_SUBNET from %s (%s): invalid subnet string"), cl->name, cl->hostname); free(name); free(subnetstr); @@ -538,7 +541,7 @@ cp /* Check if the owner of the new subnet is in the connection list */ - if(!(owner = lookup_id(name)) + if(!(owner = lookup_id(name))) { syslog(LOG_ERR, _("Got DEL_SUBNET for %s from %s (%s) which is not in our connection list"), name, cl->name, cl->hostname); @@ -546,9 +549,11 @@ cp return -1; } - /* If everything is correct, add the subnet to the list of the owner */ + /* If everything is correct, delete the subnet from the list of the owner */ + + subnet_del(subnet); cp - return subnet_del(owner, subnet); + return 0; } /* New and closed connections notification */ @@ -557,7 +562,7 @@ int send_add_host(conn_list_t *cl, conn_list_t *other) { cp return send_request(cl, "%d %s %s %lx:%d %lx", ADD_HOST, - myself->name, other->name, other->real_ip, other->port, other->options); + myself->name, other->name, other->address, other->port, other->options); } int add_host_h(conn_list_t *cl) @@ -604,7 +609,7 @@ cp /* Lookup his uplink */ - if(!(new->hisuplink = lookup_id(sender)) + if(!(new->hisuplink = lookup_id(sender))) { syslog(LOG_ERR, _("Got ADD_HOST from %s (%s) with origin %s which is not in our connection list"), sender, cl->name, cl->hostname); @@ -616,13 +621,13 @@ cp /* Fill in more of the new conn_list structure */ - new->hostname = hostlookup(htonl(new->real_ip)); + new->hostname = hostlookup(htonl(new->address)); /* Check if the new host already exists in the connnection list */ if((old = lookup_id(new->name))) { - if((new->real_ip == old->real_ip) && (new->port == old->port)) + if((new->address == old->address) && (new->port == old->port)) { if(debug_lvl > DEBUG_CONNECTIONS) syslog(LOG_NOTICE, _("Got duplicate ADD_HOST for %s (%s) from %s (%s)"), @@ -649,9 +654,9 @@ cp conn_list_add(conn_list, new); /* Tell the rest about the new host */ - +/* FIXME: reprogram this. notify_others(new, cl, send_add_host); - +*/ cp return 0; } @@ -660,7 +665,7 @@ int send_del_host(conn_list_t *cl, conn_list_t *other) { cp return send_request(cl, "%d %s %s %lx:%d %lx", DEL_HOST, - myself->name, other->name, other->real_ip, other->port, other->options); + myself->name, other->name, other->address, other->port, other->options); } int del_host_h(conn_list_t *cl) @@ -712,7 +717,7 @@ cp /* Lookup his uplink */ - if(!(hisuplink = lookup_id(sender)) + if(!(hisuplink = lookup_id(sender))) { syslog(LOG_ERR, _("Got DEL_HOST from %s (%s) with origin %s which is not in our connection list"), cl->name, cl->hostname, sender); @@ -938,7 +943,7 @@ cp if(!strcmp(to_id, myself->name)) { - send_ans_key(myself, from, myself->datakey->key); + send_ans_key(myself, from, myself->cipher_pktkey); } else { @@ -957,20 +962,20 @@ cp return 0; } -int send_ans_key(conn_list_t *from, conn_list_t *to, char *datakey) +int send_ans_key(conn_list_t *from, conn_list_t *to, char *pktkey) { cp return send_request(to->nexthop, "%d %s %s %s", ANS_KEY, - from->name, to->name, datakey); + from->name, to->name, pktkey); } int ans_key_h(conn_list_t *cl) { - char *from_id, *to_id, *datakey; + char *from_id, *to_id, *pktkey; int keylength; conn_list_t *from, *to; cp - if(sscanf(cl->buffer, "%*d %as %as %as", &from_id, &to_id, &datakey) != 3) + if(sscanf(cl->buffer, "%*d %as %as %as", &from_id, &to_id, &pktkey) != 3) { syslog(LOG_ERR, _("Got bad ANS_KEY from %s (%s)"), cl->name, cl->hostname); @@ -981,7 +986,7 @@ cp { syslog(LOG_ERR, _("Got ANS_KEY from %s (%s) origin %s which does not exist in our connection list"), cl->name, cl->hostname, from_id); - free(from_id); free(to_id); free(datakey); + free(from_id); free(to_id); free(pktkey); return -1; } @@ -991,18 +996,18 @@ cp { /* It is for us, convert it to binary and set the key with it. */ - keylength = strlen(datakey); + keylength = strlen(pktkey); if((keylength%2) || (keylength <= 0)) { syslog(LOG_ERR, _("Got bad ANS_KEY from %s (%s) origin %s: invalid key"), cl->name, cl->hostname, from->name); - free(from_id); free(to_id); free(datakey); + free(from_id); free(to_id); free(pktkey); return -1; } keylength /= 2; - hex2bin(datakey, datakey, keylength); - BF_set_key(cl->datakey, keylength, datakey); + hex2bin(pktkey, pktkey, keylength); + BF_set_key(cl->cipher_pktkey, keylength, pktkey); } else { @@ -1010,13 +1015,13 @@ cp { syslog(LOG_ERR, _("Got ANS_KEY from %s (%s) destination %s which does not exist in our connection list"), cl->name, cl->hostname, to_id); - free(from_id); free(to_id); free(datakey); + free(from_id); free(to_id); free(pktkey); return -1; } - send_ans_key(from, to, datakey); + send_ans_key(from, to, pktkey); } - free(from_id); free(to_id); free(datakey); + free(from_id); free(to_id); free(pktkey); cp return 0; } @@ -1042,3 +1047,15 @@ char (*request_name[]) = { "ADD_SUBNET", "DEL_SUBNET", "KEY_CHANGED", "REQ_KEY", "ANS_KEY", }; + +/* Status strings */ + +char (*status_text[]) = { + "FIXME: status text", +}; + +/* Error strings */ + +char (*error_text[]) = { + "FIXME: error text", +};