X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/5779efc7ae3fe8b1e49593688129ca09d838e4be..d4905790250059e6dd95082a1b3cc13b7c4a6c68:/l2tpns.c diff --git a/l2tpns.c b/l2tpns.c index a6fc94a..39c49bf 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 1.21 2004-08-02 06:06:28 fred_nerk Exp $"; +char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.22 2004-08-13 00:02:50 fred_nerk Exp $"; #include #include @@ -538,7 +538,7 @@ int cmd_show_ipcache(struct cli_def *cli, char *command, char **argv, int argc) if (CLI_HELP_REQUESTED) return CLI_HELP_NO_ARGS; - cli_print(cli, "%7s %s", "Sess#", "IP Address"); + cli_print(cli, "%7s %s", "Sess#", "IP Address"); for (i = 0; i < 256; ++i) { if (!d[i]) continue; @@ -960,8 +960,8 @@ int throttle_session(sessionidt s, int throttle) if (!session[s].tunnel) return 0; // No-one home. - if (!*session[s].user) - return 0; // User not logged in + if (!*session[s].user) + return 0; // User not logged in if (throttle) { if (session[s].tbf_in || session[s].tbf_out) { @@ -1780,6 +1780,7 @@ void processudp(u8 * buf, int len, struct sockaddr_in *addr) // TBA break; case 12: // ICCN + if ( amagic == 0) amagic = time_now; session[s].magic = amagic; // set magic number session[s].l2tp_flags = aflags; // set flags received log(3, ntohl(addr->sin_addr.s_addr), s, t, "Magic %X Flags %X\n", amagic, aflags); @@ -2785,55 +2786,57 @@ void snoop_send_packet(char *packet, u16 size, ipt destination, u16 port) } void dump_acct_info() + { - char filename[1024]; - char timestr[64]; - time_t t = time(NULL); - int i; - FILE *f = NULL; + char filename[1024]; + char timestr[64]; + time_t t = time(NULL); + int i; + FILE *f = NULL; - CSTAT(call_dump_acct_info); + CSTAT(call_dump_acct_info); - strftime(timestr, 64, "%Y%m%d%H%M%S", localtime(&t)); - snprintf(filename, 1024, "%s/%s", config->accounting_dir, timestr); + strftime(timestr, 64, "%Y%m%d%H%M%S", localtime(&t)); + snprintf(filename, 1024, "%s/%s", config->accounting_dir, timestr); - 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) - continue; - if (!f) + for (i = 0; i < MAXSESSION; i++) { - time_t now = time(NULL); - if (!(f = fopen(filename, "w"))) - { - log(0, 0, 0, 0, "Can't write accounting info to %s: %s\n", filename, strerror(errno)); - return; - } - log(3, 0, 0, 0, "Dumping accounting information to %s\n", filename); - fprintf(f, "# dslwatch.pl dump file V1.01\n" - "# host: %s\n" - "# time: %ld\n" - "# uptime: %ld\n" - "# format: username ip qos uptxoctets downrxoctets\n", - hostname, - now, - now - basetime); - } - - log(4, 0, 0, 0, "Dumping accounting information for %s\n", session[i].user); - fprintf(f, "%s %s %d %u %u\n", - session[i].user, // username - inet_toa(htonl(session[i].ip)), // ip - (session[i].throttle) ? 2 : 1, // qos - (u32)session[i].cin, // uptxoctets - (u32)session[i].cout); // downrxoctets - - session[i].pin = session[i].cin = 0; - session[i].pout = session[i].cout = 0; - } - - if (f) fclose(f); + if (!session[i].opened || !session[i].ip || !session[i].cin || !session[i].cout || !*session[i].user || session[i].walled_garden) + continue; + if (!f) + { + time_t now = time(NULL); + if (!(f = fopen(filename, "w"))) + { + log(0, 0, 0, 0, "Can't write accounting info to %s: %s\n", filename, strerror(errno)); + return ; + } + log(3, 0, 0, 0, "Dumping accounting information to %s\n", filename); + fprintf(f, "# dslwatch.pl dump file V1.01\n" + "# host: %s\n" + "# time: %ld\n" + "# uptime: %ld\n" + "# format: username ip qos uptxoctets downrxoctets\n", + hostname, + now, + now - basetime); + } + + log(4, 0, 0, 0, "Dumping accounting information for %s\n", session[i].user); + fprintf(f, "%s %s %d %u %u\n", + session[i].user, // username + inet_toa(htonl(session[i].ip)), // ip + (session[i].throttle) ? 2 : 1, // qos + (u32)session[i].cin, // uptxoctets + (u32)session[i].cout); // downrxoctets + + session[i].pin = session[i].cin = 0; + session[i].pout = session[i].cout = 0; + } + + if (f) + fclose(f); } // Main program @@ -2939,11 +2942,11 @@ int main(int argc, char *argv[]) signal(SIGPIPE, SIG_IGN); bgp_setup(config->as_number); bgp_add_route(config->bind_address, 0xffffffff); - if (*config->bgp_peer[0]) + if (*config->bgp_peer[0]) bgp_start(&bgp_peers[0], config->bgp_peer[0], config->bgp_peer_as[0], 0); /* 0 = routing disabled */ - if (*config->bgp_peer[1]) + if (*config->bgp_peer[1]) bgp_start(&bgp_peers[1], config->bgp_peer[1], config->bgp_peer_as[1], 0); #endif /* BGP */ @@ -3084,168 +3087,178 @@ void sigchild_handler(int signal) void read_state() { - struct stat sb; - int i; - ippoolt itmp; - FILE *f; - char magic[sizeof(DUMP_MAGIC)-1]; - u32 buf[2]; + struct stat sb; + int i; + ippoolt itmp; + FILE *f; + char magic[sizeof(DUMP_MAGIC) - 1]; + u32 buf[2]; - if (!config->save_state) - { - unlink(STATEFILE); - return; - } + if (!config->save_state) + { + unlink(STATEFILE); + return ; + } - if (stat(STATEFILE, &sb) < 0) - { - unlink(STATEFILE); - return; - } + if (stat(STATEFILE, &sb) < 0) + { + unlink(STATEFILE); + return ; + } + + if (sb.st_mtime < (time(NULL) - 60)) + { + log(0, 0, 0, 0, "State file is too old to read, ignoring\n"); + unlink(STATEFILE); + return ; + } - if (sb.st_mtime < (time(NULL) - 60)) - { - log(0, 0, 0, 0, "State file is too old to read, ignoring\n"); + f = fopen(STATEFILE, "r"); unlink(STATEFILE); - return; - } - - f = fopen(STATEFILE, "r"); - unlink(STATEFILE); - - if (!f) - { - log(0, 0, 0, 0, "Can't read state file: %s\n", strerror(errno)); - exit(1); - } - - if (fread(magic, sizeof(magic), 1, f) != 1 || strncmp(magic, DUMP_MAGIC, sizeof(magic))) - { - log(0, 0, 0, 0, "Bad state file magic\n"); - exit(1); - } - - log(1, 0, 0, 0, "Reading state information\n"); - if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] > MAXIPPOOL || buf[1] != sizeof(ippoolt)) - { - log(0, 0, 0, 0, "Error/mismatch reading ip pool header from state file\n"); - exit(1); - } - - if (buf[0] > ip_pool_size) - { - log(0, 0, 0, 0, "ip pool has shrunk! state = %d, current = %d\n", buf[0], ip_pool_size); - exit(1); - } - - log(2, 0, 0, 0, "Loading %u ip addresses\n", buf[0]); - for (i = 0; i < buf[0]; i++) - { - if (fread(&itmp, sizeof(itmp), 1, f) != 1) - { - log(0, 0, 0, 0, "Error reading ip %d from state file: %s\n", i, strerror(errno)); - exit(1); - } - - if (itmp.address != ip_address_pool[i].address) - { - log(0, 0, 0, 0, "Mismatched ip %d from state file: pool may only be extended\n", i); - exit(1); - } - - memcpy(&ip_address_pool[i], &itmp, sizeof(itmp)); - } - - if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXTUNNEL || buf[1] != sizeof(tunnelt)) - { - log(0, 0, 0, 0, "Error/mismatch reading tunnel header from state file\n"); - exit(1); - } - - log(2, 0, 0, 0, "Loading %u tunnels\n", MAXTUNNEL); - if (fread(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) - { - log(0, 0, 0, 0, "Error reading tunnel data from state file\n"); - exit(1); - } - - for (i = 0; i < MAXTUNNEL; i++) - { - tunnel[i].controlc = 0; - tunnel[i].controls = NULL; - tunnel[i].controle = NULL; - if (*tunnel[i].hostname) - log(3, 0, 0, 0, "Created tunnel for %s\n", tunnel[i].hostname); - } - - if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXSESSION || buf[1] != sizeof(sessiont)) - { - log(0, 0, 0, 0, "Error/mismatch reading session header from state file\n"); - exit(1); - } - - log(2, 0, 0, 0, "Loading %u sessions\n", MAXSESSION); - if (fread(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) - { - log(0, 0, 0, 0, "Error reading session data from state file\n"); - exit(1); - } - - for (i = 0; i < MAXSESSION; i++) - { - session[i].tbf_in = 0; - session[i].tbf_out = 0; - if (session[i].opened) - { - log(2, 0, i, 0, "Loaded active session for user %s\n", session[i].user); - if (session[i].ip) - sessionsetup(session[i].tunnel, i); - } - } - - fclose(f); - log(0, 0, 0, 0, "Loaded saved state information\n"); + + if (!f) + { + log(0, 0, 0, 0, "Can't read state file: %s\n", strerror(errno)); + exit(1); + } + + if (fread(magic, sizeof(magic), 1, f) != 1 || strncmp(magic, DUMP_MAGIC, sizeof(magic))) + { + log(0, 0, 0, 0, "Bad state file magic\n"); + exit(1); + } + + log(1, 0, 0, 0, "Reading state information\n"); + if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] > MAXIPPOOL || buf[1] != sizeof(ippoolt)) + { + log(0, 0, 0, 0, "Error/mismatch reading ip pool header from state file\n"); + exit(1); + } + + if (buf[0] > ip_pool_size) + { + log(0, 0, 0, 0, "ip pool has shrunk! state = %d, current = %d\n", buf[0], ip_pool_size); + exit(1); + } + + log(2, 0, 0, 0, "Loading %u ip addresses\n", buf[0]); + for (i = 0; i < buf[0]; i++) + { + if (fread(&itmp, sizeof(itmp), 1, f) != 1) + { + log(0, 0, 0, 0, "Error reading ip %d from state file: %s\n", i, strerror(errno)); + exit(1); + } + + if (itmp.address != ip_address_pool[i].address) + { + log(0, 0, 0, 0, "Mismatched ip %d from state file: pool may only be extended\n", i); + exit(1); + } + + memcpy(&ip_address_pool[i], &itmp, sizeof(itmp)); + } + + if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXTUNNEL || buf[1] != sizeof(tunnelt)) + { + log(0, 0, 0, 0, "Error/mismatch reading tunnel header from state file\n"); + exit(1); + } + + log(2, 0, 0, 0, "Loading %u tunnels\n", MAXTUNNEL); + if (fread(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) + { + log(0, 0, 0, 0, "Error reading tunnel data from state file\n"); + exit(1); + } + + for (i = 0; i < MAXTUNNEL; i++) + { + tunnel[i].controlc = 0; + tunnel[i].controls = NULL; + tunnel[i].controle = NULL; + if (*tunnel[i].hostname) + log(3, 0, 0, 0, "Created tunnel for %s\n", tunnel[i].hostname); + } + + if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXSESSION || buf[1] != sizeof(sessiont)) + { + log(0, 0, 0, 0, "Error/mismatch reading session header from state file\n"); + exit(1); + } + + log(2, 0, 0, 0, "Loading %u sessions\n", MAXSESSION); + if (fread(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) + { + log(0, 0, 0, 0, "Error reading session data from state file\n"); + exit(1); + } + + for (i = 0; i < MAXSESSION; i++) + { + session[i].tbf_in = 0; + session[i].tbf_out = 0; + if (session[i].opened) + { + log(2, 0, i, 0, "Loaded active session for user %s\n", session[i].user); + if (session[i].ip) + sessionsetup(session[i].tunnel, i); + } + } + + fclose(f); + log(0, 0, 0, 0, "Loaded saved state information\n"); } void dump_state() { - FILE *f; - u32 buf[2]; + FILE *f; + u32 buf[2]; - if (!config->save_state) - return; + if (!config->save_state) + return; - do { - if (!(f = fopen(STATEFILE, "w"))) - break; + do + { + if (!(f = fopen(STATEFILE, "w"))) + break; - log(1, 0, 0, 0, "Dumping state information\n"); + log(1, 0, 0, 0, "Dumping state information\n"); - if (fwrite(DUMP_MAGIC, sizeof(DUMP_MAGIC)-1, 1, f) != 1) break; + if (fwrite(DUMP_MAGIC, sizeof(DUMP_MAGIC) - 1, 1, f) != 1) + break; - log(2, 0, 0, 0, "Dumping %u ip addresses\n", ip_pool_size); - buf[0] = ip_pool_size; - buf[1] = sizeof(ippoolt); - if (fwrite(buf, sizeof(buf), 1, f) != 1) break; - if (fwrite(ip_address_pool, sizeof(ippoolt), ip_pool_size, f) != ip_pool_size) break; + log(2, 0, 0, 0, "Dumping %u ip addresses\n", ip_pool_size); + buf[0] = ip_pool_size; + buf[1] = sizeof(ippoolt); + if (fwrite(buf, sizeof(buf), 1, f) != 1) + break; + if (fwrite(ip_address_pool, sizeof(ippoolt), ip_pool_size, f) != ip_pool_size) + break; - log(2, 0, 0, 0, "Dumping %u tunnels\n", MAXTUNNEL); - buf[0] = MAXTUNNEL; - buf[1] = sizeof(tunnelt); - if (fwrite(buf, sizeof(buf), 1, f) != 1) break; - if (fwrite(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) break; + log(2, 0, 0, 0, "Dumping %u tunnels\n", MAXTUNNEL); + buf[0] = MAXTUNNEL; + buf[1] = sizeof(tunnelt); + if (fwrite(buf, sizeof(buf), 1, f) != 1) + break; + if (fwrite(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) + break; - log(2, 0, 0, 0, "Dumping %u sessions\n", MAXSESSION); - buf[0] = MAXSESSION; - buf[1] = sizeof(sessiont); - if (fwrite(buf, sizeof(buf), 1, f) != 1) break; - if (fwrite(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) break; + log(2, 0, 0, 0, "Dumping %u sessions\n", MAXSESSION); + buf[0] = MAXSESSION; + buf[1] = sizeof(sessiont); + if (fwrite(buf, sizeof(buf), 1, f) != 1) + break; + if (fwrite(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) + break; - if (fclose(f) == 0) return; // OK - } while (0); + if (fclose(f) == 0) + return ; // OK + } + while (0); - log(0, 0, 0, 0, "Can't write state information: %s\n", strerror(errno)); - unlink(STATEFILE); + log(0, 0, 0, 0, "Can't write state information: %s\n", strerror(errno)); + unlink(STATEFILE); } void build_chap_response(char *challenge, u8 id, u16 challenge_length, char **challenge_response) @@ -3274,13 +3287,13 @@ void build_chap_response(char *challenge, u8 id, u16 challenge_length, char **ch static int facility_value(char *name) { - int i; - for (i = 0; facilitynames[i].c_name; i++) - { - if (strcmp(facilitynames[i].c_name, name) == 0) - return facilitynames[i].c_val; - } - return 0; + int i; + for (i = 0; facilitynames[i].c_name; i++) + { + if (strcmp(facilitynames[i].c_name, name) == 0) + return facilitynames[i].c_val; + } + return 0; } void update_config()