X-Git-Url: https://git.librecmc.org/?p=oweals%2Ftinc.git;a=blobdiff_plain;f=src%2Fnet_setup.c;h=2684514392dac017d4b3faeba8f8b4aa510bce69;hp=e0f156969486351f762f627acf8353762afee8b8;hb=9dea33f5301119dd4423eb962956cf2d246af3f3;hpb=a90f1b652c0fb52950f3b0783a7e2b7f2e0cf2db diff --git a/src/net_setup.c b/src/net_setup.c index e0f1569..2684514 100644 --- a/src/net_setup.c +++ b/src/net_setup.c @@ -1,7 +1,9 @@ /* net_setup.c -- Setup. - Copyright (C) 1998-2005 Ivo Timmermans , - 2000-2005 Guus Sliepen + Copyright (C) 1998-2005 Ivo Timmermans, + 2000-2012 Guus Sliepen + 2006 Scott Lamb + 2010 Brandon Black 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 @@ -13,11 +15,9 @@ 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. - - $Id$ + 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., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "system.h" @@ -45,15 +45,13 @@ #include "xalloc.h" char *myport; +devops_t devops; -bool read_rsa_public_key(connection_t *c) -{ +bool read_rsa_public_key(connection_t *c) { FILE *fp; char *fname; char *key; - cp(); - if(!c->rsa_key) { c->rsa_key = RSA_new(); // RSA_blinding_on(c->rsa_key, NULL); @@ -74,7 +72,7 @@ bool read_rsa_public_key(connection_t *c) fp = fopen(fname, "r"); if(!fp) { - logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"), + logger(LOG_ERR, "Error reading RSA public key file `%s': %s", fname, strerror(errno)); free(fname); return false; @@ -91,7 +89,7 @@ bool read_rsa_public_key(connection_t *c) fp = fopen(fname, "r"); if(!fp) { - logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"), + logger(LOG_ERR, "Error reading RSA public key file `%s': %s", fname, strerror(errno)); free(fname); return false; @@ -106,21 +104,24 @@ bool read_rsa_public_key(connection_t *c) return true; } - logger(LOG_ERR, _("Reading RSA public key file `%s' failed: %s"), + logger(LOG_ERR, "Reading RSA public key file `%s' failed: %s", fname, strerror(errno)); return false; } /* Else, check if a harnessed public key is in the config file */ - asprintf(&fname, "%s/hosts/%s", confbase, c->name); + xasprintf(&fname, "%s/hosts/%s", confbase, c->name); fp = fopen(fname, "r"); - if(fp) { - c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL); - fclose(fp); + if(!fp) { + logger(LOG_ERR, "Error reading RSA public key file `%s': %s", fname, strerror(errno)); + free(fname); + return false; } + c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL); + fclose(fp); free(fname); if(c->rsa_key) @@ -128,36 +129,36 @@ bool read_rsa_public_key(connection_t *c) /* Try again with PEM_read_RSA_PUBKEY. */ - asprintf(&fname, "%s/hosts/%s", confbase, c->name); + xasprintf(&fname, "%s/hosts/%s", confbase, c->name); fp = fopen(fname, "r"); - if(fp) { - c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL); -// RSA_blinding_on(c->rsa_key, NULL); - fclose(fp); + if(!fp) { + logger(LOG_ERR, "Error reading RSA public key file `%s': %s", fname, strerror(errno)); + free(fname); + return false; } + c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL); +// RSA_blinding_on(c->rsa_key, NULL); + fclose(fp); free(fname); if(c->rsa_key) return true; - logger(LOG_ERR, _("No public key for %s specified!"), c->name); + logger(LOG_ERR, "No public key for %s specified!", c->name); return false; } -bool read_rsa_private_key(void) -{ +static bool read_rsa_private_key(void) { FILE *fp; char *fname, *key, *pubkey; struct stat s; - cp(); - if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key)) { - if(!get_config_string(lookup_config(myself->connection->config_tree, "PublicKey"), &pubkey)) { - logger(LOG_ERR, _("PrivateKey used but no PublicKey found!")); + if(!get_config_string(lookup_config(config_tree, "PublicKey"), &pubkey)) { + logger(LOG_ERR, "PrivateKey used but no PublicKey found!"); return false; } myself->connection->rsa_key = RSA_new(); @@ -171,12 +172,12 @@ bool read_rsa_private_key(void) } if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname)) - asprintf(&fname, "%s/rsa_key.priv", confbase); + xasprintf(&fname, "%s/rsa_key.priv", confbase); fp = fopen(fname, "r"); if(!fp) { - logger(LOG_ERR, _("Error reading RSA private key file `%s': %s"), + logger(LOG_ERR, "Error reading RSA private key file `%s': %s", fname, strerror(errno)); free(fname); return false; @@ -184,21 +185,21 @@ bool read_rsa_private_key(void) #if !defined(HAVE_MINGW) && !defined(HAVE_CYGWIN) if(fstat(fileno(fp), &s)) { - logger(LOG_ERR, _("Could not stat RSA private key file `%s': %s'"), + logger(LOG_ERR, "Could not stat RSA private key file `%s': %s'", fname, strerror(errno)); free(fname); return false; } if(s.st_mode & ~0100700) - logger(LOG_WARNING, _("Warning: insecure file permissions for RSA private key file `%s'!"), fname); + logger(LOG_WARNING, "Warning: insecure file permissions for RSA private key file `%s'!", fname); #endif myself->connection->rsa_key = PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL); fclose(fp); if(!myself->connection->rsa_key) { - logger(LOG_ERR, _("Reading RSA private key file `%s' failed: %s"), + logger(LOG_ERR, "Reading RSA private key file `%s' failed: %s", fname, strerror(errno)); free(fname); return false; @@ -208,60 +209,127 @@ bool read_rsa_private_key(void) return true; } +/* + Read Subnets from all host config files +*/ +void load_all_subnets(void) { + DIR *dir; + struct dirent *ent; + char *dname; + char *fname; + avl_tree_t *config_tree; + config_t *cfg; + subnet_t *s, *s2; + node_t *n; + + xasprintf(&dname, "%s/hosts", confbase); + dir = opendir(dname); + if(!dir) { + logger(LOG_ERR, "Could not open %s: %s", dname, strerror(errno)); + free(dname); + return; + } + + while((ent = readdir(dir))) { + if(!check_id(ent->d_name)) + continue; + + n = lookup_node(ent->d_name); + #ifdef _DIRENT_HAVE_D_TYPE + //if(ent->d_type != DT_REG) + // continue; + #endif + + xasprintf(&fname, "%s/hosts/%s", confbase, ent->d_name); + init_configuration(&config_tree); + read_config_options(config_tree, ent->d_name); + read_config_file(config_tree, fname); + free(fname); + + if(!n) { + n = new_node(); + n->name = xstrdup(ent->d_name); + node_add(n); + } + + for(cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) { + if(!get_config_subnet(cfg, &s)) + continue; + + if((s2 = lookup_subnet(n, s))) { + s2->expires = -1; + } else { + subnet_add(n, s); + } + } + + exit_configuration(&config_tree); + } + + closedir(dir); +} + /* Configure node_t myself and set up the local sockets (listen only) */ -bool setup_myself(void) -{ +static bool setup_myself(void) { config_t *cfg; subnet_t *subnet; - char *name, *hostname, *mode, *afname, *cipher, *digest; + char *name, *hostname, *mode, *afname, *cipher, *digest, *type; + char *fname = NULL; char *address = NULL; char *envp[5]; struct addrinfo *ai, *aip, hint = {0}; bool choice; int i, err; - - cp(); + int replaywin_int; myself = new_node(); myself->connection = new_connection(); - init_configuration(&myself->connection->config_tree); - asprintf(&myself->hostname, _("MYSELF")); - asprintf(&myself->connection->hostname, _("MYSELF")); + myself->hostname = xstrdup("MYSELF"); + myself->connection->hostname = xstrdup("MYSELF"); myself->connection->options = 0; myself->connection->protocol_version = PROT_CURRENT; if(!get_config_string(lookup_config(config_tree, "Name"), &name)) { /* Not acceptable */ - logger(LOG_ERR, _("Name for tinc daemon required!")); + logger(LOG_ERR, "Name for tinc daemon required!"); return false; } if(!check_id(name)) { - logger(LOG_ERR, _("Invalid name for myself!")); + logger(LOG_ERR, "Invalid name for myself!"); free(name); return false; } myself->name = name; myself->connection->name = xstrdup(name); - - if(!read_connection_config(myself->connection)) { - logger(LOG_ERR, _("Cannot open host configuration file for myself!")); - return false; - } + xasprintf(&fname, "%s/hosts/%s", confbase, name); + read_config_options(config_tree, name); + read_config_file(config_tree, fname); + free(fname); if(!read_rsa_private_key()) return false; - if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport)) - asprintf(&myport, "655"); + if(!get_config_string(lookup_config(config_tree, "Port"), &myport)) + myport = xstrdup("655"); + + if(!atoi(myport)) { + struct addrinfo *ai = str2addrinfo("localhost", myport, SOCK_DGRAM); + sockaddr_t sa; + if(!ai || !ai->ai_addr) + return false; + free(myport); + memcpy(&sa, ai->ai_addr, ai->ai_addrlen); + sockaddr2str(&sa, NULL, &myport); + } /* Read in all the subnets specified in the host configuration file */ - cfg = lookup_config(myself->connection->config_tree, "Subnet"); + cfg = lookup_config(config_tree, "Subnet"); while(cfg) { if(!get_config_subnet(cfg, &subnet)) @@ -269,7 +337,7 @@ bool setup_myself(void) subnet_add(myself, subnet); - cfg = lookup_config_next(myself->connection->config_tree, cfg); + cfg = lookup_config_next(config_tree, cfg); } /* Check some options */ @@ -280,19 +348,14 @@ bool setup_myself(void) if(get_config_bool(lookup_config(config_tree, "TCPOnly"), &choice) && choice) myself->options |= OPTION_TCPONLY; - if(get_config_bool(lookup_config(myself->connection->config_tree, "IndirectData"), &choice) && choice) - myself->options |= OPTION_INDIRECT; - - if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice) && choice) - myself->options |= OPTION_TCPONLY; - - if(get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice) && choice) - myself->options |= OPTION_PMTU_DISCOVERY; - if(myself->options & OPTION_TCPONLY) myself->options |= OPTION_INDIRECT; + get_config_bool(lookup_config(config_tree, "DirectOnly"), &directonly); + get_config_bool(lookup_config(config_tree, "StrictSubnets"), &strictsubnets); get_config_bool(lookup_config(config_tree, "TunnelServer"), &tunnelserver); + get_config_bool(lookup_config(config_tree, "LocalDiscovery"), &localdiscovery); + strictsubnets |= tunnelserver; if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) { if(!strcasecmp(mode, "router")) @@ -302,18 +365,43 @@ bool setup_myself(void) else if(!strcasecmp(mode, "hub")) routing_mode = RMODE_HUB; else { - logger(LOG_ERR, _("Invalid routing mode!")); + logger(LOG_ERR, "Invalid routing mode!"); return false; } free(mode); - } else - routing_mode = RMODE_ROUTER; + } + + if(get_config_string(lookup_config(config_tree, "Forwarding"), &mode)) { + if(!strcasecmp(mode, "off")) + forwarding_mode = FMODE_OFF; + else if(!strcasecmp(mode, "internal")) + forwarding_mode = FMODE_INTERNAL; + else if(!strcasecmp(mode, "kernel")) + forwarding_mode = FMODE_KERNEL; + else { + logger(LOG_ERR, "Invalid forwarding mode!"); + return false; + } + free(mode); + } + + choice = true; + get_config_bool(lookup_config(config_tree, "PMTUDiscovery"), &choice); + if(choice) + myself->options |= OPTION_PMTU_DISCOVERY; + + choice = true; + get_config_bool(lookup_config(config_tree, "ClampMSS"), &choice); + if(choice) + myself->options |= OPTION_CLAMP_MSS; get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance); + get_config_bool(lookup_config(config_tree, "DecrementTTL"), &decrement_ttl); + get_config_bool(lookup_config(config_tree, "Broadcast"), &broadcast); #if !defined(SOL_IP) || !defined(IP_TOS) if(priorityinheritance) - logger(LOG_WARNING, _("PriorityInheritance not supported on this platform")); + logger(LOG_WARNING, "%s not supported on this platform", "PriorityInheritance"); #endif if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire)) @@ -321,12 +409,34 @@ bool setup_myself(void) if(get_config_int(lookup_config(config_tree, "MaxTimeout"), &maxtimeout)) { if(maxtimeout <= 0) { - logger(LOG_ERR, _("Bogus maximum timeout!")); + logger(LOG_ERR, "Bogus maximum timeout!"); return false; } } else maxtimeout = 900; + if(get_config_int(lookup_config(config_tree, "UDPRcvBuf"), &udp_rcvbuf)) { + if(udp_rcvbuf <= 0) { + logger(LOG_ERR, "UDPRcvBuf cannot be negative!"); + return false; + } + } + + if(get_config_int(lookup_config(config_tree, "UDPSndBuf"), &udp_sndbuf)) { + if(udp_sndbuf <= 0) { + logger(LOG_ERR, "UDPSndBuf cannot be negative!"); + return false; + } + } + + if(get_config_int(lookup_config(config_tree, "ReplayWindow"), &replaywin_int)) { + if(replaywin_int < 0) { + logger(LOG_ERR, "ReplayWindow cannot be negative!"); + return false; + } + replaywin = (unsigned)replaywin_int; + } + if(get_config_string(lookup_config(config_tree, "AddressFamily"), &afname)) { if(!strcasecmp(afname, "IPv4")) addressfamily = AF_INET; @@ -335,7 +445,7 @@ bool setup_myself(void) else if(!strcasecmp(afname, "any")) addressfamily = AF_UNSPEC; else { - logger(LOG_ERR, _("Invalid address family!")); + logger(LOG_ERR, "Invalid address family!"); return false; } free(afname); @@ -346,90 +456,74 @@ bool setup_myself(void) /* Generate packet encryption key */ if(get_config_string - (lookup_config(myself->connection->config_tree, "Cipher"), &cipher)) { + (lookup_config(config_tree, "Cipher"), &cipher)) { if(!strcasecmp(cipher, "none")) { - myself->cipher = NULL; + myself->incipher = NULL; } else { - myself->cipher = EVP_get_cipherbyname(cipher); + myself->incipher = EVP_get_cipherbyname(cipher); - if(!myself->cipher) { - logger(LOG_ERR, _("Unrecognized cipher type!")); + if(!myself->incipher) { + logger(LOG_ERR, "Unrecognized cipher type!"); return false; } } } else - myself->cipher = EVP_bf_cbc(); + myself->incipher = EVP_bf_cbc(); - if(myself->cipher) - myself->keylength = myself->cipher->key_len + myself->cipher->iv_len; + if(myself->incipher) + myself->inkeylength = myself->incipher->key_len + myself->incipher->iv_len; else - myself->keylength = 1; + myself->inkeylength = 1; myself->connection->outcipher = EVP_bf_ofb(); - myself->key = xmalloc(myself->keylength); - RAND_pseudo_bytes(myself->key, myself->keylength); - if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime)) keylifetime = 3600; keyexpires = now + keylifetime; - if(myself->cipher) { - EVP_CIPHER_CTX_init(&packet_ctx); - if(!EVP_DecryptInit_ex(&packet_ctx, myself->cipher, NULL, myself->key, myself->key + myself->cipher->key_len)) { - logger(LOG_ERR, _("Error during initialisation of cipher for %s (%s): %s"), - myself->name, myself->hostname, ERR_error_string(ERR_get_error(), NULL)); - return false; - } - - } - /* Check if we want to use message authentication codes... */ - if(get_config_string - (lookup_config(myself->connection->config_tree, "Digest"), &digest)) { + if(get_config_string(lookup_config(config_tree, "Digest"), &digest)) { if(!strcasecmp(digest, "none")) { - myself->digest = NULL; + myself->indigest = NULL; } else { - myself->digest = EVP_get_digestbyname(digest); + myself->indigest = EVP_get_digestbyname(digest); - if(!myself->digest) { - logger(LOG_ERR, _("Unrecognized digest type!")); + if(!myself->indigest) { + logger(LOG_ERR, "Unrecognized digest type!"); return false; } } } else - myself->digest = EVP_sha1(); + myself->indigest = EVP_sha1(); myself->connection->outdigest = EVP_sha1(); - if(get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), - &myself->maclength)) { - if(myself->digest) { - if(myself->maclength > myself->digest->md_size) { - logger(LOG_ERR, _("MAC length exceeds size of digest!")); + if(get_config_int(lookup_config(config_tree, "MACLength"), &myself->inmaclength)) { + if(myself->indigest) { + if(myself->inmaclength > myself->indigest->md_size) { + logger(LOG_ERR, "MAC length exceeds size of digest!"); return false; - } else if(myself->maclength < 0) { - logger(LOG_ERR, _("Bogus MAC length!")); + } else if(myself->inmaclength < 0) { + logger(LOG_ERR, "Bogus MAC length!"); return false; } } } else - myself->maclength = 4; + myself->inmaclength = 4; myself->connection->outmaclength = 0; /* Compression */ - if(get_config_int(lookup_config(myself->connection->config_tree, "Compression"), - &myself->compression)) { - if(myself->compression < 0 || myself->compression > 11) { - logger(LOG_ERR, _("Bogus compression level!")); + if(get_config_int(lookup_config(config_tree, "Compression"), &myself->incompression)) { + if(myself->incompression < 0 || myself->incompression > 11) { + logger(LOG_ERR, "Bogus compression level!"); return false; } } else - myself->compression = 0; + myself->incompression = 0; myself->connection->outcompression = 0; @@ -437,22 +531,41 @@ bool setup_myself(void) myself->nexthop = myself; myself->via = myself; - myself->status.active = true; myself->status.reachable = true; node_add(myself); graph(); + if(strictsubnets) + load_all_subnets(); + /* Open device */ - if(!setup_device()) + devops = os_devops; + + if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) { + if(!strcasecmp(type, "dummy")) + devops = dummy_devops; + else if(!strcasecmp(type, "raw_socket")) + devops = raw_socket_devops; +#ifdef ENABLE_UML + else if(!strcasecmp(type, "uml")) + devops = uml_devops; +#endif +#ifdef ENABLE_VDE + else if(!strcasecmp(type, "vde")) + devops = vde_devops; +#endif + } + + if(!devops.setup()) return false; /* Run tinc-up script to further initialize the tap interface */ - asprintf(&envp[0], "NETNAME=%s", netname ? : ""); - asprintf(&envp[1], "DEVICE=%s", device ? : ""); - asprintf(&envp[2], "INTERFACE=%s", iface ? : ""); - asprintf(&envp[3], "NAME=%s", myself->name); + xasprintf(&envp[0], "NETNAME=%s", netname ? : ""); + xasprintf(&envp[1], "DEVICE=%s", device ? : ""); + xasprintf(&envp[2], "INTERFACE=%s", iface ? : ""); + xasprintf(&envp[3], "NAME=%s", myself->name); envp[4] = NULL; execute_script("tinc-up", envp); @@ -466,52 +579,63 @@ bool setup_myself(void) /* Open sockets */ - get_config_string(lookup_config(config_tree, "BindToAddress"), &address); + listen_sockets = 0; + cfg = lookup_config(config_tree, "BindToAddress"); - hint.ai_family = addressfamily; - hint.ai_socktype = SOCK_STREAM; - hint.ai_protocol = IPPROTO_TCP; - hint.ai_flags = AI_PASSIVE; + do { + get_config_string(cfg, &address); + if(cfg) + cfg = lookup_config_next(config_tree, cfg); - err = getaddrinfo(address, myport, &hint, &ai); + hint.ai_family = addressfamily; + hint.ai_socktype = SOCK_STREAM; + hint.ai_protocol = IPPROTO_TCP; + hint.ai_flags = AI_PASSIVE; - if(err || !ai) { - logger(LOG_ERR, _("System call `%s' failed: %s"), "getaddrinfo", - gai_strerror(err)); - return false; - } + err = getaddrinfo(address, myport, &hint, &ai); + free(address); - listen_sockets = 0; + if(err || !ai) { + logger(LOG_ERR, "System call `%s' failed: %s", "getaddrinfo", + gai_strerror(err)); + return false; + } + + for(aip = ai; aip; aip = aip->ai_next) { + if(listen_sockets >= MAXSOCKETS) { + logger(LOG_ERR, "Too many listening sockets"); + return false; + } - for(aip = ai; aip; aip = aip->ai_next) { - listen_socket[listen_sockets].tcp = - setup_listen_socket((sockaddr_t *) aip->ai_addr); + listen_socket[listen_sockets].tcp = + setup_listen_socket((sockaddr_t *) aip->ai_addr); - if(listen_socket[listen_sockets].tcp < 0) - continue; + if(listen_socket[listen_sockets].tcp < 0) + continue; - listen_socket[listen_sockets].udp = - setup_vpn_in_socket((sockaddr_t *) aip->ai_addr); + listen_socket[listen_sockets].udp = + setup_vpn_in_socket((sockaddr_t *) aip->ai_addr); - if(listen_socket[listen_sockets].udp < 0) - continue; + if(listen_socket[listen_sockets].udp < 0) + continue; - ifdebug(CONNECTIONS) { - hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr); - logger(LOG_NOTICE, _("Listening on %s"), hostname); - free(hostname); - } + ifdebug(CONNECTIONS) { + hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr); + logger(LOG_NOTICE, "Listening on %s", hostname); + free(hostname); + } - listen_socket[listen_sockets].sa.sa = *aip->ai_addr; - listen_sockets++; - } + memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen); + listen_sockets++; + } - freeaddrinfo(ai); + freeaddrinfo(ai); + } while(cfg); if(listen_sockets) - logger(LOG_NOTICE, _("Ready")); + logger(LOG_NOTICE, "Ready"); else { - logger(LOG_ERR, _("Unable to create any listening socket!")); + logger(LOG_ERR, "Unable to create any listening socket!"); return false; } @@ -519,19 +643,16 @@ bool setup_myself(void) } /* - setup all initial network connections + initialize network */ -bool setup_network_connections(void) -{ - cp(); - +bool setup_network(void) { now = time(NULL); + init_events(); init_connections(); init_subnets(); init_nodes(); init_edges(); - init_events(); init_requests(); if(get_config_int(lookup_config(config_tree, "PingInterval"), &pinginterval)) { @@ -547,40 +668,43 @@ bool setup_network_connections(void) pingtimeout = pinginterval; if(!get_config_int(lookup_config(config_tree, "MaxOutputBufferSize"), &maxoutbufsize)) - maxoutbufsize = 4 * MTU; + maxoutbufsize = 10 * MTU; if(!setup_myself()) return false; - try_outgoing_connections(); - return true; } /* close all open network connections */ -void close_network_connections(void) -{ +void close_network_connections(void) { avl_node_t *node, *next; connection_t *c; char *envp[5]; int i; - cp(); - for(node = connection_tree->head; node; node = next) { next = node->next; c = node->data; - - if(c->outgoing) - free(c->outgoing->name), free(c->outgoing), c->outgoing = NULL; + c->outgoing = NULL; terminate_connection(c, false); } + for(list_node_t *node = outgoing_list->head; node; node = node->next) { + outgoing_t *outgoing = node->data; + + if(outgoing->event) + event_del(outgoing->event); + } + + list_delete_list(outgoing_list); + if(myself && myself->connection) { subnet_update(myself, NULL, false); terminate_connection(myself->connection, false); + free_connection(myself->connection); } for(i = 0; i < listen_sockets; i++) { @@ -588,25 +712,27 @@ void close_network_connections(void) close(listen_socket[i].udp); } - asprintf(&envp[0], "NETNAME=%s", netname ? : ""); - asprintf(&envp[1], "DEVICE=%s", device ? : ""); - asprintf(&envp[2], "INTERFACE=%s", iface ? : ""); - asprintf(&envp[3], "NAME=%s", myself->name); + xasprintf(&envp[0], "NETNAME=%s", netname ? : ""); + xasprintf(&envp[1], "DEVICE=%s", device ? : ""); + xasprintf(&envp[2], "INTERFACE=%s", iface ? : ""); + xasprintf(&envp[3], "NAME=%s", myself->name); envp[4] = NULL; exit_requests(); - exit_events(); exit_edges(); exit_subnets(); exit_nodes(); exit_connections(); + exit_events(); execute_script("tinc-down", envp); + if(myport) free(myport); + for(i = 0; i < 4; i++) free(envp[i]); - close_device(); + devops.close(); return; }