X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;ds=sidebyside;f=src%2Fprotocol.c;h=7a7e901d22efe87a1dec8f2b711b72dc84ca4ab8;hb=5fc1ed17f41f0c535cf57a4b7e00cd6d45759503;hp=f0c5070947542015db459226fe3ff98f466b16bf;hpb=6aee1ad021092d37538e15da22367789a4d4a763;p=tinc diff --git a/src/protocol.c b/src/protocol.c index f0c50709..7a7e901d 100644 --- a/src/protocol.c +++ b/src/protocol.c @@ -1,7 +1,7 @@ /* protocol.c -- handle the meta-protocol, basic functions - Copyright (C) 1999-2001 Ivo Timmermans , - 2000,2001 Guus Sliepen + Copyright (C) 1999-2001 Ivo Timmermans , + 2000,2001 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.c,v 1.28.4.127 2002/03/23 20:12:29 guus Exp $ + $Id: protocol.c,v 1.28.4.135 2002/09/09 19:39:59 guus Exp $ */ #include "config.h" @@ -63,7 +63,7 @@ int send_request(connection_t *c, const char *format, ...) char buffer[MAXBUFSIZE]; int len, request; -cp + cp(); /* Use vsnprintf instead of vasprintf: faster, no memory fragmentation, cleanup is automatic, and there is a limit on the input buffer anyway */ @@ -88,17 +88,38 @@ cp } buffer[len++] = '\n'; -cp - return send_meta(c, buffer, len); + cp(); + if(c == broadcast) + return broadcast_meta(NULL, buffer, len); + else + return send_meta(c, buffer, len); +} + +int forward_request(connection_t *from) +{ + int request; + cp(); + if(debug_lvl >= DEBUG_PROTOCOL) + { + sscanf(from->buffer, "%d", &request); + if(debug_lvl >= DEBUG_META) + syslog(LOG_DEBUG, _("Forwarding %s from %s (%s): %s"), request_name[request], from->name, from->hostname, from->buffer); + else + syslog(LOG_DEBUG, _("Forwarding %s from %s (%s)"), request_name[request], from->name, from->hostname); + } + + from->buffer[from->reqlen - 1] = '\n'; + cp(); + return broadcast_meta(from, from->buffer, from->reqlen); } int receive_request(connection_t *c) { int request; -cp + cp(); if(sscanf(c->buffer, "%d", &request) == 1) { - if((request < 0) || (request >= LAST) || (request_handlers[request] == NULL)) + if((request < 0) || (request >= LAST) || !request_handlers[request]) { if(debug_lvl >= DEBUG_META) syslog(LOG_DEBUG, _("Unknown request from %s (%s): %s"), @@ -142,43 +163,43 @@ cp c->name, c->hostname); return -1; } -cp + cp(); return 0; } int past_request_compare(past_request_t *a, past_request_t *b) { -cp + cp(); return strcmp(a->request, b->request); } void free_past_request(past_request_t *r) { -cp + cp(); if(r->request) free(r->request); free(r); -cp + cp(); } void init_requests(void) { -cp + cp(); past_request_tree = avl_alloc_tree((avl_compare_t)past_request_compare, (avl_action_t)free_past_request); -cp + cp(); } void exit_requests(void) { -cp + cp(); avl_delete_tree(past_request_tree); -cp + cp(); } int seen_request(char *request) { past_request_t p, *new; -cp + cp(); p.request = request; if(avl_search(past_request_tree, &p)) @@ -195,7 +216,7 @@ cp avl_insert(past_request_tree, new); return 0; } -cp + cp(); } void age_past_requests(void) @@ -203,7 +224,7 @@ void age_past_requests(void) avl_node_t *node, *next; past_request_t *p; int left = 0, deleted = 0; -cp + cp(); for(node = past_request_tree->head; node; node = next) { next = node->next; @@ -216,7 +237,7 @@ cp if(debug_lvl >= DEBUG_SCARY_THINGS && left + deleted) syslog(LOG_DEBUG, _("Aging past requests: deleted %d, left %d\n"), deleted, left); -cp + cp(); } /* Jumptable for the request handlers */ @@ -225,7 +246,6 @@ int (*request_handlers[])(connection_t*) = { id_h, metakey_h, challenge_h, chal_reply_h, ack_h, status_h, error_h, termreq_h, ping_h, pong_h, -// add_node_h, del_node_h, add_subnet_h, del_subnet_h, add_edge_h, del_edge_h, key_changed_h, req_key_h, ans_key_h, @@ -238,7 +258,6 @@ char (*request_name[]) = { "ID", "METAKEY", "CHALLENGE", "CHAL_REPLY", "ACK", "STATUS", "ERROR", "TERMREQ", "PING", "PONG", -// "ADD_NODE", "DEL_NODE", "ADD_SUBNET", "DEL_SUBNET", "ADD_EDGE", "DEL_EDGE", "KEY_CHANGED", "REQ_KEY", "ANS_KEY",