From: Guus Sliepen Date: Sun, 28 Oct 2001 08:41:19 +0000 (+0000) Subject: What was I thinking? s/vertex/edge/g. X-Git-Tag: release-1.0pre5~44 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=94497336efc1cc60561575e74d420e9e8e8c657e;p=oweals%2Ftinc.git What was I thinking? s/vertex/edge/g. --- diff --git a/src/Makefile.am b/src/Makefile.am index 862f732..9a18109 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,15 +1,15 @@ ## Produce this file with automake to get Makefile.in -# $Id: Makefile.am,v 1.4.4.14 2001/10/13 13:53:07 guus Exp $ +# $Id: Makefile.am,v 1.4.4.15 2001/10/28 08:41:19 guus Exp $ sbin_PROGRAMS = tincd tincd_SOURCES = conf.c connection.c device.c meta.c net.c netutl.c node.c process.c \ - protocol.c route.c subnet.c tincd.c vertex.c + protocol.c route.c subnet.c tincd.c edge.c INCLUDES = @INCLUDES@ -I$(top_builddir) -I$(top_srcdir)/lib -I$(top_srcdir)/intl noinst_HEADERS = conf.h connection.h device.h meta.h net.h netutl.h node.h process.h \ - protocol.h route.h subnet.h vertex.h + protocol.h route.h subnet.h edge.h LIBS = @LIBS@ @INTLLIBS@ diff --git a/src/conf.h b/src/conf.h index 9136efa..bf3df70 100644 --- a/src/conf.h +++ b/src/conf.h @@ -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: conf.h,v 1.6.4.28 2001/10/27 12:13:17 guus Exp $ + $Id: conf.h,v 1.6.4.29 2001/10/28 08:41:19 guus Exp $ */ #ifndef __TINC_CONF_H__ @@ -40,6 +40,7 @@ extern int debug_lvl; extern int timeout; extern int maxtimeout; extern int sighup; +extern int bypass_security; extern char *confbase; extern char *netname; diff --git a/src/connection.c b/src/connection.c index ccc4125..8fb9611 100644 --- a/src/connection.c +++ b/src/connection.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: connection.c,v 1.1.2.21 2001/10/27 15:19:13 guus Exp $ + $Id: connection.c,v 1.1.2.22 2001/10/28 08:41:19 guus Exp $ */ #include "config.h" @@ -65,7 +65,6 @@ connection_t *new_connection(void) connection_t *c; cp c = (connection_t *)xmalloc_and_zero(sizeof(connection_t)); - init_configuration(&c->config_tree); cp return c; } diff --git a/src/connection.h b/src/connection.h index b32e329..4054804 100644 --- a/src/connection.h +++ b/src/connection.h @@ -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: connection.h,v 1.1.2.17 2001/10/27 12:13:17 guus Exp $ + $Id: connection.h,v 1.1.2.18 2001/10/28 08:41:19 guus Exp $ */ #ifndef __TINC_CONNECTION_H__ @@ -42,7 +42,7 @@ #include "conf.h" #include "node.h" -#include "vertex.h" +#include "edge.h" #define OPTION_INDIRECT 0x0001 #define OPTION_TCPONLY 0x0002 @@ -72,7 +72,7 @@ typedef struct connection_t { struct connection_status_t status; /* status info */ struct node_t *node; /* node associated with the other end */ - struct vertex_t *vertex; /* vertex associated with this connection */ + struct edge_t *edge; /* edge associated with this connection */ RSA *rsa_key; /* his public/private key */ EVP_CIPHER *incipher; /* Cipher he will use to send data to us */ diff --git a/src/edge.c b/src/edge.c new file mode 100644 index 0000000..24c67c3 --- /dev/null +++ b/src/edge.c @@ -0,0 +1,146 @@ +/* + edge.c -- edge tree management + Copyright (C) 2000,2001 Guus Sliepen , + 2000,2001 Ivo Timmermans + + 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 + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id: edge.c,v 1.1.2.1 2001/10/28 08:41:19 guus Exp $ +*/ + +#include "config.h" + +#include +#include +#include + +#include +#include + +#include "net.h" /* Don't ask. */ +#include "netutl.h" +#include "config.h" +#include "conf.h" +#include +#include "subnet.h" + +#include "xalloc.h" +#include "system.h" + +avl_tree_t *edge_tree; /* Tree with all known vertices (replaces active_tree) */ + +int edge_compare(edge_t *a, edge_t *b) +{ + int result; + + result = strcmp(a->from->name, b->from->name); + + if(result) + return result; + else + return strcmp(a->to->name, b->to->name); +} + +/* Evil edge_compare() from a parallel universe ;) + +int edge_compare(edge_t *a, edge_t *b) +{ + int result; + + return (result = strcmp(a->from->name, b->from->name)) || (result = strcmp(a->to->name, b->to->name)), result; +} + +*/ + +void init_vertices(void) +{ +cp + edge_tree = avl_alloc_tree((avl_compare_t)edge_compare, NULL); +cp +} + +void exit_vertices(void) +{ +cp + avl_delete_tree(edge_tree); +cp +} + +/* Creation and deletion of connection elements */ + +edge_t *new_edge(void) +{ +cp + edge_t *v = (edge_t *)xmalloc_and_zero(sizeof(*v)); +cp + return v; +} + +void free_edge(edge_t *v) +{ +cp + free(v); +cp +} + +void edge_add(edge_t *v) +{ +cp + avl_insert(edge_tree, v); +cp +} + +void edge_del(edge_t *v) +{ +cp + avl_delete(edge_tree, v); +cp +} + +edge_t *lookup_edge(node_t *from, node_t *to) +{ + edge_t v, *result; +cp + v.from = from; + v.to = to; + + result = avl_search(edge_tree, &v); + + if(result) + return result; +cp + v.from = to; + v.to = from; + + return avl_search(edge_tree, &v); +} + +void dump_vertices(void) +{ + avl_node_t *node; + edge_t *v; +cp + syslog(LOG_DEBUG, _("Vertices:")); + + for(node = edge_tree->head; node; node = node->next) + { + v = (edge_t *)node->data; + syslog(LOG_DEBUG, _(" %s - %s options %ld"), + v->from->name, v->to->name, v->options); + } + + syslog(LOG_DEBUG, _("End of vertices.")); +cp +} diff --git a/src/edge.h b/src/edge.h new file mode 100644 index 0000000..c2212cc --- /dev/null +++ b/src/edge.h @@ -0,0 +1,62 @@ +/* + edge.h -- header for edge.c + Copyright (C) 2001 Guus Sliepen , + 2001 Ivo Timmermans + + 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 + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id: edge.h,v 1.1.2.1 2001/10/28 08:41:19 guus Exp $ +*/ + +#ifndef __TINC_EDGE_H__ +#define __TINC_EDGE_H__ + +#include + +#include "node.h" +#include "connection.h" + +/* I don't know if halfconnection_t is useful... */ + +typedef struct halfconnection_t { + struct node_t *node; /* node associated with this end of the connection */ + + ipv4_t address; /* real (internet) ip on this end of the meta connection */ + short unsigned int port; /* port number of this end of the meta connection */ + char *hostname; /* the hostname of real ip */ +} halfconnection_t; + +typedef struct edge_t { + struct node_t *from; + struct node_t *to; + + long int options; /* options turned on for this connection */ + int metric; /* weight of this edge */ + + struct connection_t *connection; /* connection associated with this edge, if available */ +} edge_t; + +extern avl_tree_t *edge_tree; /* Tree with all known vertices (replaces active_tree) */ + +extern void init_vertices(void); +extern void exit_vertices(void); +extern edge_t *new_edge(void); +extern void free_edge(edge_t *); +extern void edge_add(edge_t *); +extern void edge_del(edge_t *); +extern edge_t *lookup_edge(struct node_t *, struct node_t *); +extern void dump_vertices(void); + +#endif /* __TINC_EDGE_H__ */ diff --git a/src/net.c b/src/net.c index 50f4acb..35d9563 100644 --- a/src/net.c +++ b/src/net.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: net.c,v 1.35.4.139 2001/10/27 15:19:13 guus Exp $ + $Id: net.c,v 1.35.4.140 2001/10/28 08:41:19 guus Exp $ */ #include "config.h" @@ -458,6 +458,7 @@ cp c = new_connection(); c->name = xstrdup(name); + init_configuration(&c->config_tree); read_connection_config(c); if(!get_config_string(lookup_config(c->config_tree, "Address"), &c->hostname)) @@ -622,6 +623,7 @@ int setup_myself(void) cp myself = new_node(); myself->connection = new_connection(); + init_configuration(&myself->connection->config_tree); asprintf(&myself->hostname, _("MYSELF")); asprintf(&myself->connection->hostname, _("MYSELF")); @@ -774,6 +776,7 @@ cp init_connections(); init_subnets(); init_nodes(); + init_vertices(); if(get_config_int(lookup_config(config_tree, "PingTimeout"), &timeout)) { @@ -1197,9 +1200,9 @@ cp if(FD_ISSET(device_fd, &fset)) { if(read_packet(&packet)) - route_outgoing(&packet); - else return; + else + route_outgoing(&packet); } } } diff --git a/src/protocol.c b/src/protocol.c index f275f3e..d1bb524 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 1.28.4.109 2001/10/27 12:13:17 guus Exp $ + $Id: protocol.c,v 1.28.4.110 2001/10/28 08:41:19 guus Exp $ */ #include "config.h" @@ -55,7 +55,7 @@ #include "meta.h" #include "connection.h" #include "node.h" -#include "vertex.h" +#include "edge.h" #include "system.h" @@ -176,10 +176,11 @@ cp int id_h(connection_t *c) { char name[MAX_STRING_SIZE]; +int bla; cp if(sscanf(c->buffer, "%*d "MAX_STRING" %d", name, &c->protocol_version) != 2) { - syslog(LOG_ERR, _("Got bad %s from %s"), "ID", c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ID", c->name, c->hostname); return -1; } @@ -187,7 +188,7 @@ cp if(check_id(name)) { - syslog(LOG_ERR, _("Peer %s uses invalid identity name"), c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ID", c->name, c->hostname, "invalid name"); return -1; } @@ -213,9 +214,19 @@ cp return -1; } + if(bypass_security) + { + if(!c->config_tree) + init_configuration(&c->config_tree); + c->allow_request = ACK; + return send_ack(c); + } + if(!c->config_tree) { - if(read_connection_config(c)) + init_configuration(&c->config_tree); + + if((bla = read_connection_config(c))) { syslog(LOG_ERR, _("Peer %s had unknown identity (%s)"), c->hostname, c->name); return -1; @@ -314,7 +325,7 @@ int metakey_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING, buffer) != 1) { - syslog(LOG_ERR, _("Got bad METAKEY from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "METAKEY", c->name, c->hostname); return -1; } @@ -324,7 +335,7 @@ cp if(strlen(buffer) != len*2) { - syslog(LOG_ERR, _("Intruder: wrong meta key length from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, "wrong keylength"); return -1; } @@ -412,7 +423,7 @@ int challenge_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING, buffer) != 1) { - syslog(LOG_ERR, _("Got bad CHALLENGE from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "CHALLENGE", c->name, c->hostname); return -1; } @@ -422,7 +433,7 @@ cp if(strlen(buffer) != len*2) { - syslog(LOG_ERR, _("Intruder: wrong challenge length from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, "wrong challenge length"); return -1; } @@ -446,12 +457,6 @@ int send_chal_reply(connection_t *c) { char hash[SHA_DIGEST_LENGTH*2+1]; cp - if(!c->mychallenge) - { - syslog(LOG_ERR, _("Trying to send CHAL_REPLY to %s (%s) without a valid CHALLENGE"), c->name, c->hostname); - return -1; - } - /* Calculate the hash from the challenge we received */ SHA1(c->mychallenge, RSA_size(myself->connection->rsa_key), hash); @@ -474,7 +479,7 @@ int chal_reply_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING, hishash) != 1) { - syslog(LOG_ERR, _("Got bad CHAL_REPLY from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "CHAL_REPLY", c->name, c->hostname); return -1; } @@ -482,7 +487,7 @@ cp if(strlen(hishash) != SHA_DIGEST_LENGTH*2) { - syslog(LOG_ERR, _("Intruder: wrong challenge reply length from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, _("wrong challenge reply length")); return -1; } @@ -498,7 +503,7 @@ cp if(memcmp(hishash, myhash, SHA_DIGEST_LENGTH)) { - syslog(LOG_ERR, _("Intruder: wrong challenge reply from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Possible intruder %s (%s): %s"), c->name, c->hostname, _("wrong challenge reply")); if(debug_lvl >= DEBUG_SCARY_THINGS) { bin2hex(myhash, hishash, SHA_DIGEST_LENGTH); @@ -520,7 +525,7 @@ cp int send_ack(connection_t *c) { /* ACK message contains rest of the information the other end needs - to create node_t and vertex_t structures. */ + to create node_t and edge_t structures. */ cp return send_request(c, "%d %d", ACK, myself->port); } @@ -534,7 +539,7 @@ int ack_h(connection_t *c) cp if(sscanf(c->buffer, "%*d %hd", &port) != 1) { - syslog(LOG_ERR, _("Got bad %s from %s"), "ACK", c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ACK", c->name, c->hostname); return -1; } @@ -589,20 +594,21 @@ cp */ - /* Create a vertex_t for this connection */ + /* Create a edge_t for this connection */ - c->vertex = new_vertex(); + c->edge = new_edge(); - c->vertex->from = myself; - c->vertex->to = n; - c->vertex->metric = 1; - c->vertex->connection = c; + c->edge->from = myself; + c->edge->to = n; + c->edge->metric = 1; + c->edge->connection = c; - vertex_add(c->vertex); + edge_add(c->edge); /* Activate this connection */ c->allow_request = ALL; + c->status.active = 1; if(debug_lvl >= DEBUG_CONNECTIONS) syslog(LOG_NOTICE, _("Connection with %s (%s) activated"), c->name, c->hostname); @@ -621,23 +627,23 @@ cp for(node = node_tree->head; node; node = node->next) { n = (node_t *)node->data; - - if(n != c->node) - { - /* Notify others of this connection */ - if(n->connection) - send_add_node(n->connection, c->node); + if(n == c->node || n == myself) + continue; - /* Notify new connection of everything we know */ + /* Notify others of this connection */ - send_add_node(c, n); + if(n->connection) + send_add_node(n->connection, c->node); - for(node2 = c->node->subnet_tree->head; node2; node2 = node2->next) - { - s = (subnet_t *)node2->data; - send_add_subnet(c, s); - } + /* Notify new connection of everything we know */ + + send_add_node(c, n); + + for(node2 = c->node->subnet_tree->head; node2; node2 = node2->next) + { + s = (subnet_t *)node2->data; + send_add_subnet(c, s); } } cp @@ -671,7 +677,7 @@ int add_subnet_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING, name, subnetstr) != 2) { - syslog(LOG_ERR, _("Got bad ADD_SUBNET from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_SUBNET", c->name, c->hostname); return -1; } @@ -679,7 +685,7 @@ cp if(check_id(name)) { - syslog(LOG_ERR, _("Got bad ADD_SUBNET from %s (%s): invalid identity name"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid name")); return -1; } @@ -687,7 +693,7 @@ cp if(!(s = str2net(subnetstr))) { - syslog(LOG_ERR, _("Got bad ADD_SUBNET from %s (%s): invalid subnet string"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid subnet string")); return -1; } @@ -695,7 +701,7 @@ cp if(!(owner = lookup_node(name))) { - syslog(LOG_ERR, _("Got ADD_SUBNET for %s from %s (%s) which is not in our connection list"), + syslog(LOG_ERR, _("Got ADD_SUBNET from %s (%s) for %s which is not in our connection list"), name, c->name, c->hostname); return -1; } @@ -738,7 +744,7 @@ int del_subnet_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING, name, subnetstr) != 3) { - syslog(LOG_ERR, _("Got bad DEL_SUBNET from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_SUBNET", c->name, c->hostname); return -1; } @@ -746,7 +752,7 @@ cp if(check_id(name)) { - syslog(LOG_ERR, _("Got bad DEL_SUBNET from %s (%s): invalid identity name"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid name")); return -1; } @@ -754,7 +760,7 @@ cp if(!(s = str2net(subnetstr))) { - syslog(LOG_ERR, _("Got bad DEL_SUBNET from %s (%s): invalid subnet string"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid subnet string")); return -1; } @@ -762,8 +768,8 @@ cp if(!(owner = lookup_node(name))) { - syslog(LOG_ERR, _("Got DEL_SUBNET for %s from %s (%s) which is not in our connection list"), - name, c->name, c->hostname); + syslog(LOG_ERR, _("Got %s from %s (%s) for %s which is not in our connection list"), + "DEL_SUBNET", c->name, c->hostname, name); return -1; } @@ -773,8 +779,8 @@ cp if(!find) { - syslog(LOG_ERR, _("Got DEL_SUBNET for %s from %s (%s) which does not appear in his subnet tree"), - name, c->name, c->hostname); + syslog(LOG_ERR, _("Got %s from %s (%s) for %s which does not appear in his subnet tree"), + "DEL_SUBNET", c->name, c->hostname, name); return -1; } @@ -812,7 +818,7 @@ int add_node_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" %lx:%hd", name, &address, &port) != 3) { - syslog(LOG_ERR, _("Got bad ADD_NODE from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_NODE", c->name, c->hostname); return -1; } @@ -820,18 +826,10 @@ cp if(check_id(name)) { - syslog(LOG_ERR, _("Got bad ADD_NODE from %s (%s): invalid identity name"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_NODE", c->name, c->hostname, _("invalid name")); return -1; } - /* Check if somebody tries to add ourself */ - - if(!strcmp(name, myself->name)) - { - syslog(LOG_ERR, _("Got ADD_NODE from %s (%s) for ourself!"), c->name, c->hostname); - return -1; - } - /* Check if node already exists */ n = lookup_node(name); @@ -880,7 +878,7 @@ int del_node_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" %lx:%hd", name, &address, &port) != 3) { - syslog(LOG_ERR, _("Got bad DEL_NODE from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_NODE", c->name, c->hostname); return -1; } @@ -889,7 +887,7 @@ cp if(check_id(name)) { - syslog(LOG_ERR, _("Got bad DEL_NODE from %s (%s): invalid identity name"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_NODE", c->name, c->hostname, _("invalid name")); return -1; } @@ -897,7 +895,7 @@ cp if(!strcmp(name, myself->name)) { - syslog(LOG_ERR, _("Got DEL_NODE from %s (%s) for ourself!"), + syslog(LOG_ERR, _("Got %s from %s (%s) for ourself!"), "DEL_NODE", c->name, c->hostname); return -1; } @@ -908,7 +906,7 @@ cp if(!n) { - syslog(LOG_WARNING, _("Got DEL_NODE from %s (%s) for %s which does not exist"), c->name, c->hostname, n->name); + syslog(LOG_WARNING, _("Got %s from %s (%s) for %s which does not exist"), "DEL_NODE", c->name, c->hostname, n->name); return 0; } @@ -916,7 +914,7 @@ cp if(address != n->address || port != n->port) { - syslog(LOG_WARNING, _("Got DEL_NODE from %s (%s) for %s which doesn't match"), c->name, c->hostname, n->name); + syslog(LOG_WARNING, _("Got %s from %s (%s) for %s which doesn't match"), "DEL_NODE", c->name, c->hostname, n->name); return 0; } @@ -936,6 +934,180 @@ cp return 0; } +/* Vertices */ + +int send_add_edge(connection_t *c, edge_t *v) +{ +cp + return send_request(c, "%d %s %s %lx", ADD_NODE, + v->from->name, v->to->name, v->options); +} + +int add_edge_h(connection_t *c) +{ + connection_t *other; + edge_t *v; + node_t *from, *to; + char from_name[MAX_STRING_SIZE]; + char to_name[MAX_STRING_SIZE]; + long int options; + avl_node_t *node; +cp + if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING" %lx", from_name, to_name, &options) != 3) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_EDGE", c->name, c->hostname); + return -1; + } + + /* Check if names are valid */ + + if(check_id(from_name)) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("invalid name")); + return -1; + } + + if(check_id(to_name)) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("invalid name")); + return -1; + } + + /* Lookup nodes */ + + from = lookup_node(from_name); + + if(!from) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("unknown node")); + return -1; + } + + to = lookup_node(to_name); + + if(!to) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_EDGE", c->name, c->hostname, _("unknown node")); + return -1; + } + + /* Check if node already exists */ + + v = lookup_edge(from, to); + + if(v) + { + /* Check if it matches */ + } + else + { + v = new_edge(); + v->from = from; + v->to = to; + v->options = options; + edge_add(v); + } + + /* Tell the rest about the new edge */ + + for(node = connection_tree->head; node; node = node->next) + { + other = (connection_t *)node->data; + if(other->status.active && other != c) + send_add_edge(other, v); + } + +cp + return 0; +} + +int send_del_edge(connection_t *c, edge_t *v) +{ +cp + return send_request(c, "%d %s %s %lx", DEL_EDGE, + v->from->name, v->to->name, v->options); +} + +int del_edge_h(connection_t *c) +{ + edge_t *v; + char from_name[MAX_STRING_SIZE]; + char to_name[MAX_STRING_SIZE]; + node_t *from, *to; + long int options; + connection_t *other; + avl_node_t *node; +cp + if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING" %lx", from_name, to_name, &options) != 3) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_EDGE", + c->name, c->hostname); + return -1; + } + + /* Check if names are valid */ + + if(check_id(from_name)) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("invalid name")); + return -1; + } + + if(check_id(to_name)) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("invalid name")); + return -1; + } + + /* Lookup nodes */ + + from = lookup_node(from_name); + + if(!from) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("unknown node")); + return -1; + } + + to = lookup_node(to_name); + + if(!to) + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("unknown node")); + return -1; + } + + /* Check if edge exists */ + + v = lookup_edge(from, to); + + if(v) + { + /* Check if it matches */ + } + else + { + syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_EDGE", c->name, c->hostname, _("unknown edge")); + return -1; + } + + /* Tell the rest about the deleted edge */ + + for(node = connection_tree->head; node; node = node->next) + { + other = (connection_t *)node->data; + if(other->status.active && other != c) + send_del_edge(other, v); + } + + /* Delete the edge */ + + edge_del(v); +cp + return 0; +} + + /* Status and error notification routines */ int send_status(connection_t *c, int statusno, char *statusstring) @@ -954,7 +1126,7 @@ int status_h(connection_t *c) cp if(sscanf(c->buffer, "%*d %d "MAX_STRING, &statusno, statusstring) != 2) { - syslog(LOG_ERR, _("Got bad STATUS from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "STATUS", c->name, c->hostname); return -1; } @@ -984,7 +1156,7 @@ int error_h(connection_t *c) cp if(sscanf(c->buffer, "%*d %d "MAX_STRING, &err, errorstring) != 2) { - syslog(LOG_ERR, _("Got bad ERROR from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ERROR", c->name, c->hostname); return -1; } @@ -1083,7 +1255,7 @@ int key_changed_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING, name) != 1) { - syslog(LOG_ERR, _("Got bad KEY_CHANGED from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "KEY_CHANGED", c->name, c->hostname); return -1; } @@ -1092,7 +1264,7 @@ cp if(!n) { - syslog(LOG_ERR, _("Got KEY_CHANGED from %s (%s) origin %s which does not exist"), + syslog(LOG_ERR, _("Got %s from %s (%s) origin %s which does not exist"), "KEY_CHANGED", c->name, c->hostname, name); return -1; } @@ -1121,7 +1293,7 @@ int req_key_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING, from_name, to_name) != 2) { - syslog(LOG_ERR, _("Got bad REQ_KEY from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "REQ_KEY", c->name, c->hostname); return -1; } @@ -1130,7 +1302,7 @@ cp if(!from) { - syslog(LOG_ERR, _("Got REQ_KEY from %s (%s) origin %s which does not exist in our connection list"), + syslog(LOG_ERR, _("Got %s from %s (%s) origin %s which does not exist in our connection list"), "REQ_KEY", c->name, c->hostname, from_name); return -1; } @@ -1139,7 +1311,7 @@ cp if(!to) { - syslog(LOG_ERR, _("Got REQ_KEY from %s (%s) destination %s which does not exist in our connection list"), + syslog(LOG_ERR, _("Got %s from %s (%s) destination %s which does not exist in our connection list"), "REQ_KEY", c->name, c->hostname, to_name); return -1; } @@ -1186,7 +1358,7 @@ int ans_key_h(connection_t *c) cp if(sscanf(c->buffer, "%*d "MAX_STRING" "MAX_STRING" "MAX_STRING, from_name, to_name, key) != 3) { - syslog(LOG_ERR, _("Got bad ANS_KEY from %s (%s)"), + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ANS_KEY", c->name, c->hostname); return -1; } @@ -1195,7 +1367,7 @@ cp if(!from) { - syslog(LOG_ERR, _("Got ANS_KEY from %s (%s) origin %s which does not exist in our connection list"), + syslog(LOG_ERR, _("Got %s from %s (%s) origin %s which does not exist in our connection list"), "ANS_KEY", c->name, c->hostname, from_name); return -1; } @@ -1204,7 +1376,7 @@ cp if(!to) { - syslog(LOG_ERR, _("Got ANS_KEY from %s (%s) destination %s which does not exist in our connection list"), + syslog(LOG_ERR, _("Got %s from %s (%s) destination %s which does not exist in our connection list"), "ANS_KEY", c->name, c->hostname, to_name); return -1; } @@ -1215,8 +1387,8 @@ cp if(keylength != from->keylength * 2) { - syslog(LOG_ERR, _("Got bad ANS_KEY from %s (%s) origin %s: invalid key length"), - c->name, c->hostname, from->name); + syslog(LOG_ERR, _("Got bad %s from %s (%s) origin %s: %s"), "ANS_KEY", + c->name, c->hostname, from->name, _("invalid key length")); return -1; } @@ -1265,7 +1437,7 @@ int tcppacket_h(connection_t *c) cp if(sscanf(c->buffer, "%*d %hd", &len) != 1) { - syslog(LOG_ERR, _("Got bad PACKET from %s (%s)"), c->name, c->hostname); + syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "PACKET", c->name, c->hostname); return -1; } @@ -1284,6 +1456,7 @@ int (*request_handlers[])(connection_t*) = { 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, tcppacket_h, }; @@ -1296,7 +1469,7 @@ char (*request_name[]) = { "PING", "PONG", "ADD_NODE", "DEL_NODE", "ADD_SUBNET", "DEL_SUBNET", - "ADD_VERTEX", "DEL_VERTEX", + "ADD_EDGE", "DEL_EDGE", "KEY_CHANGED", "REQ_KEY", "ANS_KEY", "PACKET", }; diff --git a/src/protocol.h b/src/protocol.h index 64e17ad..5fc30f3 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -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.h,v 1.5.4.23 2001/10/27 12:13:17 guus Exp $ + $Id: protocol.h,v 1.5.4.24 2001/10/28 08:41:19 guus Exp $ */ #ifndef __TINC_PROTOCOL_H__ @@ -42,7 +42,7 @@ enum { PING, PONG, ADD_NODE, DEL_NODE, ADD_SUBNET, DEL_SUBNET, - ADD_VERTEX, DEL_VERTEX, + ADD_EDGE, DEL_EDGE, KEY_CHANGED, REQ_KEY, ANS_KEY, PACKET, LAST /* Guardian for the highest request number */ @@ -69,8 +69,8 @@ extern int send_add_node(connection_t*, node_t*); extern int send_del_node(connection_t*, node_t*); extern int send_add_subnet(connection_t*, subnet_t*); extern int send_del_subnet(connection_t*, subnet_t*); -extern int send_add_vertex(connection_t*, node_t*); -extern int send_del_vertex(connection_t*, node_t*); +extern int send_add_edge(connection_t*, edge_t*); +extern int send_del_edge(connection_t*, edge_t*); extern int send_key_changed(connection_t*, node_t*); extern int send_req_key(connection_t*, node_t*, node_t*); extern int send_ans_key(connection_t*, node_t*, node_t*, char*); diff --git a/src/tincd.c b/src/tincd.c index 2943d0b..0ccbdee 100644 --- a/src/tincd.c +++ b/src/tincd.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: tincd.c,v 1.10.4.54 2001/10/27 15:19:13 guus Exp $ + $Id: tincd.c,v 1.10.4.55 2001/10/28 08:41:19 guus Exp $ */ #include "config.h" @@ -58,16 +58,19 @@ char *program_name; /* If nonzero, display usage information and exit. */ -static int show_help; +int show_help; /* If nonzero, print the version on standard output and exit. */ -static int show_version; +int show_version; /* If nonzero, it will attempt to kill a running tincd and exit. */ -static int kill_tincd = 0; +int kill_tincd = 0; /* If nonzero, generate public/private keypair for this host/net. */ -static int generate_keys = 0; +int generate_keys = 0; + +/* If nonzero, use null ciphers and skip all key exchanges. */ +int bypass_security = 0; char *identname; /* program name for syslog */ char *pidfilename; /* pid file location */ @@ -85,6 +88,7 @@ static struct option const long_options[] = { "no-detach", no_argument, &do_detach, 0 }, { "generate-keys", optional_argument, NULL, 'K'}, { "debug", optional_argument, NULL, 'd'}, + { "bypass-security", no_argument, &bypass_security, 1 }, { NULL, 0, NULL, 0 } }; diff --git a/src/vertex.c b/src/vertex.c deleted file mode 100644 index 9e72f9e..0000000 --- a/src/vertex.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - vertex.c -- vertex tree management - Copyright (C) 2000,2001 Guus Sliepen , - 2000,2001 Ivo Timmermans - - 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 - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: vertex.c,v 1.1.2.3 2001/10/27 13:13:35 guus Exp $ -*/ - -#include "config.h" - -#include -#include -#include - -#include -#include - -#include "net.h" /* Don't ask. */ -#include "netutl.h" -#include "config.h" -#include "conf.h" -#include -#include "subnet.h" - -#include "xalloc.h" -#include "system.h" - -avl_tree_t *vertex_tree; /* Tree with all known vertices (replaces active_tree) */ - -int vertex_compare(vertex_t *a, vertex_t *b) -{ - int result; - - result = strcmp(a->from->name, b->from->name); - - if(result) - return result; - else - return strcmp(a->to->name, b->to->name); -} - -/* Evil vertex_compare() from a parallel universe ;) - -int vertex_compare(vertex_t *a, vertex_t *b) -{ - int result; - - return (result = strcmp(a->from->name, b->from->name)) || (result = strcmp(a->to->name, b->to->name)), result; -} - -*/ - -void init_vertices(void) -{ -cp - vertex_tree = avl_alloc_tree((avl_compare_t)vertex_compare, NULL); -cp -} - -void exit_vertices(void) -{ -cp - avl_delete_tree(vertex_tree); -cp -} - -/* Creation and deletion of connection elements */ - -vertex_t *new_vertex(void) -{ -cp - vertex_t *v = (vertex_t *)xmalloc_and_zero(sizeof(*v)); -cp - return v; -} - -void free_vertex(vertex_t *v) -{ -cp - free(v); -cp -} - -void vertex_add(vertex_t *v) -{ -cp - avl_insert(vertex_tree, v); -cp -} - -void vertex_del(vertex_t *v) -{ -cp - avl_delete(vertex_tree, v); -cp -} - -vertex_t *lookup_vertex(node_t *from, node_t *to) -{ - vertex_t v, *result; -cp - v.from = from; - v.to = to; - - result = avl_search(vertex_tree, &v); - - if(result) - return result; -cp - v.from = to; - v.to = from; - - return avl_search(vertex_tree, &v); -} - -void dump_vertices(void) -{ - avl_node_t *node; - vertex_t *v; -cp - syslog(LOG_DEBUG, _("Vertices:")); - - for(node = vertex_tree->head; node; node = node->next) - { - v = (vertex_t *)node->data; - syslog(LOG_DEBUG, _(" %s - %s options %ld"), - v->from->name, v->to->name, v->options); - } - - syslog(LOG_DEBUG, _("End of vertices.")); -cp -} diff --git a/src/vertex.h b/src/vertex.h deleted file mode 100644 index b967a2e..0000000 --- a/src/vertex.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - vertex.h -- header for vertex.c - Copyright (C) 2001 Guus Sliepen , - 2001 Ivo Timmermans - - 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 - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id: vertex.h,v 1.1.2.5 2001/10/27 12:13:17 guus Exp $ -*/ - -#ifndef __TINC_VERTEX_H__ -#define __TINC_VERTEX_H__ - -#include - -#include "node.h" -#include "connection.h" - -/* I don't know if halfconnection_t is useful... */ - -typedef struct halfconnection_t { - struct node_t *node; /* node associated with this end of the connection */ - - ipv4_t address; /* real (internet) ip on this end of the meta connection */ - short unsigned int port; /* port number of this end of the meta connection */ - char *hostname; /* the hostname of real ip */ -} halfconnection_t; - -typedef struct vertex_t { - struct node_t *from; - struct node_t *to; - - long int options; /* options turned on for this connection */ - int metric; /* weight of this vertex */ - - struct connection_t *connection; /* connection associated with this vertex, if available */ -} vertex_t; - -extern avl_tree_t *vertex_tree; /* Tree with all known vertices (replaces active_tree) */ - -extern void init_vertices(void); -extern void exit_vertices(void); -extern vertex_t *new_vertex(void); -extern void free_vertex(vertex_t *); -extern void vertex_add(vertex_t *); -extern void vertex_del(vertex_t *); -extern vertex_t *lookup_vertex(struct node_t *, struct node_t *); -extern void dump_vertices(void); - -#endif /* __TINC_VERTEX_H__ */