X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/bdb517e525a216bc05e0b8bdcca69c6fc3f8c792..be29ef6cb251dbcf421701a44333520a755aecae:/l2tpns.c diff --git a/l2tpns.c b/l2tpns.c index 44fcda5..f006843 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 1.81 2005-02-08 01:20:38 bodea Exp $"; +char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.82 2005-02-09 00:16:17 bodea Exp $"; #include #include @@ -106,7 +106,6 @@ config_descriptt config_values[] = { CONFIG("l2tp_secret", l2tpsecret, STRING), CONFIG("primary_dns", default_dns1, IPv4), CONFIG("secondary_dns", default_dns2, IPv4), - CONFIG("save_state", save_state, BOOL), CONFIG("primary_radius", radiusserver[0], IPv4), CONFIG("secondary_radius", radiusserver[1], IPv4), CONFIG("primary_radius_port", radiusport[0], SHORT), @@ -179,8 +178,6 @@ static void sigalrm_handler(int sig); static void sigterm_handler(int sig); static void sigquit_handler(int sig); static void sigchild_handler(int sig); -static void read_state(void); -static void dump_state(void); static void build_chap_response(char *challenge, uint8_t id, uint16_t challenge_length, char **challenge_response); static void update_config(void); static void read_config_file(void); @@ -3637,8 +3634,6 @@ int main(int argc, char *argv[]) initrad(); initippool(); - read_state(); - signal(SIGHUP, sighup_handler); signal(SIGTERM, sigterm_handler); signal(SIGINT, sigterm_handler); @@ -3730,9 +3725,6 @@ static void sigalrm_handler(int sig) static void sigterm_handler(int sig) { LOG(1, 0, 0, "Shutting down cleanly\n"); - if (config->save_state) - dump_state(); - main_quit++; } @@ -3765,182 +3757,6 @@ static void sigchild_handler(int sig) ; } -static void read_state() -{ - struct stat sb; - int i; - ippoolt itmp; - FILE *f; - char magic[sizeof(DUMP_MAGIC) - 1]; - uint32_t buf[2]; - - if (!config->save_state) - { - unlink(STATEFILE); - return ; - } - - if (stat(STATEFILE, &sb) < 0) - { - unlink(STATEFILE); - return ; - } - - if (sb.st_mtime < (time(NULL) - 60)) - { - LOG(0, 0, 0, "State file is too old to read, ignoring\n"); - unlink(STATEFILE); - return ; - } - - f = fopen(STATEFILE, "r"); - unlink(STATEFILE); - - if (!f) - { - LOG(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, "Bad state file magic\n"); - exit(1); - } - - LOG(1, 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, "Error/mismatch reading ip pool header from state file\n"); - exit(1); - } - - if (buf[0] > ip_pool_size) - { - LOG(0, 0, 0, "ip pool has shrunk! state = %d, current = %d\n", buf[0], ip_pool_size); - exit(1); - } - - LOG(2, 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, "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, "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, "Error/mismatch reading tunnel header from state file\n"); - exit(1); - } - - LOG(2, 0, 0, "Loading %u tunnels\n", MAXTUNNEL); - if (fread(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) - { - LOG(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, "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, "Error/mismatch reading session header from state file\n"); - exit(1); - } - - LOG(2, 0, 0, "Loading %u sessions\n", MAXSESSION); - if (fread(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) - { - LOG(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, 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, "Loaded saved state information\n"); -} - -static void dump_state() -{ - FILE *f; - uint32_t buf[2]; - - if (!config->save_state) - return; - - do - { - if (!(f = fopen(STATEFILE, "w"))) - break; - - LOG(1, 0, 0, "Dumping state information\n"); - - if (fwrite(DUMP_MAGIC, sizeof(DUMP_MAGIC) - 1, 1, f) != 1) - break; - - LOG(2, 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, "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, "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); - - LOG(0, 0, 0, "Can't write state information: %s\n", strerror(errno)); - unlink(STATEFILE); -} - static void build_chap_response(char *challenge, uint8_t id, uint16_t challenge_length, char **challenge_response) { MD5_CTX ctx;