Don't continue creating session if no IP addresses are free

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 43187bf..7ad7402 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
 // L2TPNS Global Stuff

-// $Id: l2tpns.h,v 1.13 2004/07/26 00:20:41 fred_nerk Exp $
+// $Id: l2tpns.h,v 1.20 2004/10/04 23:34:54 fred_nerk Exp $

 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__


@@ -15,7 +15,7 @@
 #include <sys/types.h>
 #include <libcli.h>
 
 #include <sys/types.h>
 #include <libcli.h>
 

-#define VERSION        "2.0.1"
+#define VERSION        "2.0.2"

 
 // Limits
 #define MAXTUNNEL      500             // could be up to 65535
 
 // Limits
 #define MAXTUNNEL      500             // could be up to 65535


@@ -24,7 +24,7 @@
 
 #define RADIUS_SHIFT   5
 #define RADIUS_MASK    ((unsigned short)(((unsigned short)~0) >> (16 - RADIUS_SHIFT)))
 
 #define RADIUS_SHIFT   5
 #define RADIUS_MASK    ((unsigned short)(((unsigned short)~0) >> (16 - RADIUS_SHIFT)))

-#define        MAXRADIUS       ((2 << (RADIUS_SHIFT - 1)) * 255)
+#define        MAXRADIUS       ((unsigned long)(1L << RADIUS_SHIFT) * 255)

 
 #define T_UNDEF                (0xffff)        // A tunnel ID that won't ever be used. Mark session as undefined.
 #define T_FREE         (0)             // A tunnel ID that won't ever be used. Mark session as free.
 
 #define T_UNDEF                (0xffff)        // A tunnel ID that won't ever be used. Mark session as undefined.
 #define T_FREE         (0)             // A tunnel ID that won't ever be used. Mark session as free.


@@ -40,6 +40,7 @@
 #define MAX_LOG_LENGTH 512             // Maximum size of log message
 #define ECHO_TIMEOUT   60              // Time between last packet sent and LCP ECHO generation
 #define IDLE_TIMEOUT   240             // Time between last packet sent and LCP ECHO generation
 #define MAX_LOG_LENGTH 512             // Maximum size of log message
 #define ECHO_TIMEOUT   60              // Time between last packet sent and LCP ECHO generation
 #define IDLE_TIMEOUT   240             // Time between last packet sent and LCP ECHO generation

+#define BUSY_WAIT_TIMEOUT      3000    // 5 minutes in 1/10th seconds to wait for radius to cleanup on shutdown

 
 // Constants
 #include "config.h"
 
 // Constants
 #include "config.h"


@@ -90,7 +91,8 @@ enum
        ProtocolRej,
        EchoReq,
        EchoReply,
        ProtocolRej,
        EchoReq,
        EchoReply,

-       DiscardRequest
+       DiscardRequest,
+       IdentRequest

 };
 
 // Types
 };
 
 // Types


@@ -119,7 +121,7 @@ struct cli_session_actions {
 #define CLI_SESS_NOTHROTTLE    0x10
 
 struct cli_tunnel_actions {
 #define CLI_SESS_NOTHROTTLE    0x10
 
 struct cli_tunnel_actions {

-       char action;
+       char action;

 };
 
 #define CLI_TUN_KILL           0x01
 };
 
 #define CLI_TUN_KILL           0x01


@@ -147,10 +149,10 @@ typedef struct sessions
 {
        sessionidt next;                // next session in linked list
        sessionidt far;                 // far end session ID
 {
        sessionidt next;                // next session in linked list
        sessionidt far;                 // far end session ID

-       tunnelidt tunnel;               // tunnel ID
+       tunnelidt tunnel;               // near end tunnel ID

        ipt ip;                         // IP of session set by RADIUS response (host byte order).
        int ip_pool_index;              // index to IP pool
        ipt ip;                         // IP of session set by RADIUS response (host byte order).
        int ip_pool_index;              // index to IP pool

-       unsigned long sid;              // session id for hsddb
+       unsigned long unique_id;        // unique session id

        u16 nr;                         // next receive
        u16 ns;                         // next send
        u32 magic;                      // ppp magic number
        u16 nr;                         // next receive
        u16 ns;                         // next send
        u32 magic;                      // ppp magic number


@@ -170,6 +172,7 @@ typedef struct sessions
        u16 tbf_in;                     // filter bucket for throttling in from the user.
        u16 tbf_out;                    // filter bucket for throttling out to the user.
        u8 l2tp_flags;                  // various bit flags from the ICCN on the l2tp tunnel.
        u16 tbf_in;                     // filter bucket for throttling in from the user.
        u16 tbf_out;                    // filter bucket for throttling out to the user.
        u8 l2tp_flags;                  // various bit flags from the ICCN on the l2tp tunnel.

+       u8 reserved_old_snoop;          // No longer used - remove at some time

        u8 walled_garden;               // is this session gardened?
        u8 flags1;                      // additional flags (currently unused);
        char random_vector[MAXTEL];
        u8 walled_garden;               // is this session gardened?
        u8 flags1;                      // additional flags (currently unused);
        char random_vector[MAXTEL];


@@ -182,7 +185,8 @@ typedef struct sessions
        u32 flags;                      // Various session flags.
        ipt snoop_ip;                   // Interception destination IP
        u16 snoop_port;                 // Interception destination port
        u32 flags;                      // Various session flags.
        ipt snoop_ip;                   // Interception destination IP
        u16 snoop_port;                 // Interception destination port

-       char reserved[28];              // Space to expand structure without changing HB_VERSION
+       u16 sid;                        // near end session id.
+       char reserved[20];              // Space to expand structure without changing HB_VERSION

 }
 sessiont;
 
 }
 sessiont;
 


@@ -195,6 +199,7 @@ typedef struct {
 
 #define        SESSIONPFC      1            // PFC negotiated flags
 #define        SESSIONACFC     2           // ACFC negotiated flags
 
 #define        SESSIONPFC      1            // PFC negotiated flags
 #define        SESSIONACFC     2           // ACFC negotiated flags

+#define SESSIONLCPACK  4       // LCP negotiated

 
 // 168 bytes per tunnel
 typedef struct tunnels
 
 // 168 bytes per tunnel
 typedef struct tunnels


@@ -379,6 +384,8 @@ struct configt
        int             debug;                          // debugging level
        time_t          start_time;                     // time when l2tpns was started
        char            bandwidth[256];                 // current bandwidth
        int             debug;                          // debugging level
        time_t          start_time;                     // time when l2tpns was started
        char            bandwidth[256];                 // current bandwidth

+       char            pid_file[256];                  // file to write PID to on startup
+       int             wrote_pid;

        clockt          current_time;                   // 1/10ths of a second since the process started.
                                                        // means that we can only run a given process
                                                        // for 13 years without re-starting!
        clockt          current_time;                   // 1/10ths of a second since the process started.
                                                        // means that we can only run a given process
                                                        // for 13 years without re-starting!


@@ -441,6 +448,7 @@ struct configt
        char            bgp_peer[2][64];
        u16             bgp_peer_as[2];
 #endif
        char            bgp_peer[2][64];
        u16             bgp_peer_as[2];
 #endif

+       char            hostname[256];                  // our hostname - set to gethostname() by default

 };
 
 struct config_descriptt
 };
 
 struct config_descriptt


@@ -448,7 +456,7 @@ struct config_descriptt
        char *key;
        int offset;
        int size;
        char *key;
        int offset;
        int size;

-       enum { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IP } type;
+       enum { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IP, MAC } type;

 };
 
 // arp.c
 };
 
 // arp.c


@@ -539,7 +547,7 @@ int sessionsetup(tunnelidt t, sessionidt s);
 int cluster_send_session(int s);
 int cluster_send_tunnel(int t);
 int cluster_send_goodbye();
 int cluster_send_session(int s);
 int cluster_send_tunnel(int t);
 int cluster_send_goodbye();

-void init_cli(char *hostname);
+void init_cli();

 void cli_do_file(FILE *fh);
 void cli_do(int sockfd);
 int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...);
 void cli_do_file(FILE *fh);
 void cli_do(int sockfd);
 int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...);


@@ -584,7 +592,7 @@ if (count++ < max) { \
 extern struct configt *config;
 extern time_t basetime;                // Time when this process started.
 extern time_t time_now;                // Seconds since EPOCH.
 extern struct configt *config;
 extern time_t basetime;                // Time when this process started.
 extern time_t time_now;                // Seconds since EPOCH.

-extern u32 last_sid;
+extern u32 last_id;

 extern struct Tstats *_statistics;
 extern ipt my_address;
 extern int tun_write(u8 *data, int size);
 extern struct Tstats *_statistics;
 extern ipt my_address;
 extern int tun_write(u8 *data, int size);