X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/b183ede15d8125d1ecba56c435e5eb70c7ac3da1..cc4a4a430e6dd3fcebf794b001946c27e5249133:/l2tpns.c?ds=sidebyside diff --git a/l2tpns.c b/l2tpns.c index 7cc49d4..5c84a4f 100644 --- a/l2tpns.c +++ b/l2tpns.c @@ -4,7 +4,7 @@ // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced // vim: sw=8 ts=8 -char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.27 2004/09/19 23:26:46 fred_nerk Exp $"; +char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.33 2004/10/28 03:58:38 bodea Exp $"; #include #include @@ -57,7 +57,7 @@ int snoopfd = -1; // UDP file handle for sending out intercept data int *radfds = NULL; // RADIUS requests file handles int ifrfd = -1; // File descriptor for routing, etc time_t basetime = 0; // base clock -char *hostname = NULL; // us. +char hostname[1000] = ""; // us. int tunidx; // ifr_ifindex of tun device u32 sessionid = 0; // session id for radius accounting int syslog_log = 0; // are we logging to syslog @@ -95,7 +95,6 @@ struct config_descriptt config_values[] = { CONFIG("debug", debug, INT), CONFIG("log_file", log_filename, STRING), CONFIG("pid_file", pid_file, STRING), - CONFIG("hostname", hostname, STRING), CONFIG("l2tp_secret", l2tpsecret, STRING), CONFIG("primary_dns", default_dns1, IP), CONFIG("secondary_dns", default_dns2, IP), @@ -2181,7 +2180,7 @@ int regular_cleanups(void) } } - if (config->accounting_dir && next_acct <= TIME) + if (*config->accounting_dir && next_acct <= TIME) { // Dump accounting data next_acct = TIME + ACCT_TIME; @@ -2361,14 +2360,17 @@ void mainloop(void) for (i = 0; i < config->num_radfds; i++) if (FD_ISSET(radfds[i], &r)) processrad(buf, recv(radfds[i], buf, sizeof(buf), 0), i); + if (FD_ISSET(cluster_sockfd, &r)) { int size; size = recvfrom(cluster_sockfd, buf, sizeof(buf), MSG_WAITALL, (void *) &addr, &alen); processcluster(buf, size, addr.sin_addr.s_addr); } + if (FD_ISSET(controlfd, &r)) processcontrol(buf, recvfrom(controlfd, buf, sizeof(buf), MSG_WAITALL, (void *) &addr, &alen), &addr); + if (FD_ISSET(clifd, &r)) { struct sockaddr_in addr; @@ -2459,55 +2461,55 @@ void mainloop(void) } // Init data structures -void initdata(void) +void initdata(int optdebug, char *optconfig) { int i; - char *p; - if ((_statistics = shared_malloc(sizeof(struct Tstats))) == MAP_FAILED) + if (!(_statistics = shared_malloc(sizeof(struct Tstats)))) { log(0, 0, 0, 0, "Error doing malloc for _statistics: %s\n", strerror(errno)); exit(1); } - if ((config = shared_malloc(sizeof(struct configt))) == MAP_FAILED) + if (!(config = shared_malloc(sizeof(struct configt)))) { log(0, 0, 0, 0, "Error doing malloc for configuration: %s\n", strerror(errno)); exit(1); } memset(config, 0, sizeof(struct configt)); time(&config->start_time); - strncpy(config->config_file, CONFIGFILE, sizeof(config->config_file) - 1); - if ((tunnel = shared_malloc(sizeof(tunnelt) * MAXTUNNEL)) == MAP_FAILED); + config->debug = optdebug; + strncpy(config->config_file, optconfig, strlen(optconfig)); + if (!(tunnel = shared_malloc(sizeof(tunnelt) * MAXTUNNEL))) { log(0, 0, 0, 0, "Error doing malloc for tunnels: %s\n", strerror(errno)); exit(1); } - if ((session = shared_malloc(sizeof(sessiont) * MAXSESSION)) == MAP_FAILED) + if (!(session = shared_malloc(sizeof(sessiont) * MAXSESSION))) { log(0, 0, 0, 0, "Error doing malloc for sessions: %s\n", strerror(errno)); exit(1); } - if ((sess_count = shared_malloc(sizeof(sessioncountt) * MAXSESSION)) == MAP_FAILED) + if (!(sess_count = shared_malloc(sizeof(sessioncountt) * MAXSESSION))) { log(0, 0, 0, 0, "Error doing malloc for sessions_count: %s\n", strerror(errno)); exit(1); } - if ((radius = shared_malloc(sizeof(radiust) * MAXRADIUS)) == MAP_FAILED) + if (!(radius = shared_malloc(sizeof(radiust) * MAXRADIUS))) { log(0, 0, 0, 0, "Error doing malloc for radius: %s\n", strerror(errno)); exit(1); } - if ((ip_address_pool = shared_malloc(sizeof(ippoolt) * MAXIPPOOL)) == MAP_FAILED) + if (!(ip_address_pool = shared_malloc(sizeof(ippoolt) * MAXIPPOOL))) { log(0, 0, 0, 0, "Error doing malloc for ip_address_pool: %s\n", strerror(errno)); exit(1); } #ifdef RINGBUFFER - if ((ringbuffer = shared_malloc(sizeof(struct Tringbuffer))) == MAP_FAILED) + if (!(ringbuffer = shared_malloc(sizeof(struct Tringbuffer)))) { log(0, 0, 0, 0, "Error doing malloc for ringbuffer: %s\n", strerror(errno)); exit(1); @@ -2515,16 +2517,14 @@ void initdata(void) memset(ringbuffer, 0, sizeof(struct Tringbuffer)); #endif - if ((cli_session_actions = shared_malloc(sizeof(struct cli_session_actions) * MAXSESSION)) - == MAP_FAILED) + if (!(cli_session_actions = shared_malloc(sizeof(struct cli_session_actions) * MAXSESSION))) { log(0, 0, 0, 0, "Error doing malloc for cli session actions: %s\n", strerror(errno)); exit(1); } memset(cli_session_actions, 0, sizeof(struct cli_session_actions) * MAXSESSION); - if ((cli_tunnel_actions = shared_malloc(sizeof(struct cli_tunnel_actions) * MAXSESSION)) - == MAP_FAILED) + if (!(cli_tunnel_actions = shared_malloc(sizeof(struct cli_tunnel_actions) * MAXSESSION))) { log(0, 0, 0, 0, "Error doing malloc for cli tunnel actions: %s\n", strerror(errno)); exit(1); @@ -2549,15 +2549,18 @@ void initdata(void) for (i = 1; i < MAXTUNNEL- 1; i++) tunnel[i].state = TUNNELUNDEF; // mark it as not filled in. - // Grab my hostname unless it's been specified - gethostname(config->hostname, sizeof(config->hostname)); - if ((p = strchr(config->hostname, '.'))) *p = 0; - hostname = config->hostname; + if (!*hostname) + { + char *p; + // Grab my hostname unless it's been specified + gethostname(hostname, sizeof(hostname)); + if ((p = strchr(hostname, '.'))) *p = 0; + } _statistics->start_time = _statistics->last_reset = time(NULL); #ifdef BGP - if ((bgp_peers = shared_malloc(sizeof(struct bgp_peer) * BGP_NUM_PEERS)) == MAP_FAILED) + if (!(bgp_peers = shared_malloc(sizeof(struct bgp_peer) * BGP_NUM_PEERS))) { log(0, 0, 0, 0, "Error doing malloc for bgp: %s\n", strerror(errno)); exit(1); @@ -2867,7 +2870,7 @@ void dump_acct_info() for (i = 0; i < MAXSESSION; i++) { - if (!session[i].opened || !session[i].ip || !session[i].cin || !session[i].cout || !*session[i].user || session[i].walled_garden) + if (!session[i].opened || !session[i].ip || (!session[i].cin && !session[i].cout) || !*session[i].user || session[i].walled_garden) continue; if (!f) { @@ -2909,13 +2912,14 @@ int main(int argc, char *argv[]) { int o; int optdebug = 0; + char *optconfig = CONFIGFILE; _program_name = strdup(argv[0]); time(&basetime); // start clock // scan args - while ((o = getopt(argc, argv, "vc:h:a:")) >= 0) + while ((o = getopt(argc, argv, "dvc:h:")) >= 0) { switch (o) { @@ -2927,10 +2931,12 @@ int main(int argc, char *argv[]) case 'v': optdebug++; break; + case 'c': + optconfig = optarg; + break; case 'h': snprintf(hostname, sizeof(hostname), "%s", optarg); break; - case '?': default: printf("Args are:\n" "\t-d\tDetach from terminal\n" @@ -2952,12 +2958,10 @@ int main(int argc, char *argv[]) initiptables(); initplugins(); - initdata(); - - config->debug = optdebug; + initdata(optdebug, optconfig); init_tbf(); - init_cli(); + init_cli(hostname); read_config_file(); log(0, 0, 0, 0, "L2TPNS version " VERSION "\n"); @@ -3529,7 +3533,6 @@ int sessionsetup(tunnelidt t, sessionidt s) CSTAT(call_sessionsetup); - log(3, session[s].ip, s, t, "Doing session setup for session\n"); if (!session[s].ip || session[s].ip == 0xFFFFFFFE) @@ -3539,7 +3542,11 @@ int sessionsetup(tunnelidt t, sessionidt s) log(3, 0, s, t, " No IP allocated. Assigned %s from pool\n", inet_toa(htonl(session[s].ip))); else + { log(0, 0, s, t, " No IP allocated. The IP address pool is FULL!\n"); + sessionshutdown(s, "No IP addresses available"); + return 0; + } }