unused

[l2tpns.git] / l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index 7d726cb..5c84a4f 100644 (file)
--- 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
 
 // 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 1.28 2004/09/20 23:34:35 fred_nerk Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.33 2004/10/28 03:58:38 bodea Exp $";

 
 #include <arpa/inet.h>
 #include <assert.h>
 
 #include <arpa/inet.h>
 #include <assert.h>


@@ -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
 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
 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("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),
        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;
        {
                // 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);
                        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(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(controlfd, &r))
                                processcontrol(buf, recvfrom(controlfd, buf, sizeof(buf), MSG_WAITALL, (void *) &addr, &alen), &addr);

+

                        if (FD_ISSET(clifd, &r))
                        {
                                struct sockaddr_in addr;
                        if (FD_ISSET(clifd, &r))
                        {
                                struct sockaddr_in addr;


@@ -2459,55 +2461,55 @@ void mainloop(void)
 }
 
 // Init data structures
 }
 
 // Init data structures

-void initdata(void)
+void initdata(int optdebug, char *optconfig)

 {
        int i;
 {
        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);
        }
        {
                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);
        {
                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);
        }
        {
                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);
        }
 
        {
                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);
        }
 
        {
                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);
        }
 
        {
                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
        {
                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);
        {
                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
 
        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);
 
        {
                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);
        {
                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.
 
        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
 
        _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);
        {
                log(0, 0, 0, 0, "Error doing malloc for bgp: %s\n", strerror(errno));
                exit(1);


@@ -2909,13 +2912,14 @@ int main(int argc, char *argv[])
 {
        int o;
        int optdebug = 0;
 {
        int o;
        int optdebug = 0;

+       char *optconfig = CONFIGFILE;

 
        _program_name = strdup(argv[0]);
 
        time(&basetime);             // start clock
 
        // scan args
 
        _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)
                {
        {
                switch (o)
                {


@@ -2927,10 +2931,12 @@ int main(int argc, char *argv[])
                        case 'v':
                                optdebug++;
                                break;
                        case 'v':
                                optdebug++;
                                break;

+                       case 'c':
+                               optconfig = optarg;
+                               break;

                        case 'h':
                                snprintf(hostname, sizeof(hostname), "%s", optarg);
                                break;
                        case 'h':
                                snprintf(hostname, sizeof(hostname), "%s", optarg);
                                break;

-                       case '?':

                        default:
                                printf("Args are:\n"
                                       "\t-d\tDetach from terminal\n"
                        default:
                                printf("Args are:\n"
                                       "\t-d\tDetach from terminal\n"


@@ -2952,12 +2958,10 @@ int main(int argc, char *argv[])
 
        initiptables();
        initplugins();
 
        initiptables();
        initplugins();

-       initdata();
-
-       config->debug = optdebug;
+       initdata(optdebug, optconfig);

 
        init_tbf();
 
        init_tbf();

-       init_cli();
+       init_cli(hostname);

        read_config_file();
 
        log(0, 0, 0, 0, "L2TPNS version " VERSION "\n");
        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);
 
 
        CSTAT(call_sessionsetup);
 

-

        log(3, session[s].ip, s, t, "Doing session setup for session\n");
 
        if (!session[s].ip || session[s].ip == 0xFFFFFFFE)
        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(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");
                        log(0, 0, s, t, "   No IP allocated. The IP address pool is FULL!\n");

+                       sessionshutdown(s, "No IP addresses available");
+                       return 0;
+               }

        }
 
 
        }