don't shutdown on TerminateReq, wait for CDN

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 4940ddf..12b7440 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,11 +1,10 @@
 // L2TPNS Global Stuff
-// $Id: l2tpns.h,v 1.106 2005/12/09 00:43:17 bodea Exp $
+// $Id: l2tpns.h,v 1.113 2006/04/18 06:00:08 bodea Exp $
 
 #ifndef __L2TPNS_H__
 #define __L2TPNS_H__
 
 #include <netinet/in.h>
-#include <execinfo.h>
 #include <stdio.h>
 #include <signal.h>
 #include <stdlib.h>
@@ -15,7 +14,7 @@
 #include <sys/types.h>
 #include <libcli.h>
 
-#define VERSION        "2.1.14"
+#define VERSION        "2.1.18"
 
 // Limits
 #define MAXTUNNEL      500             // could be up to 65535
@@ -32,8 +31,8 @@
 
 #define MAXCONTROL     1000            // max length control message we ever send...
 #define MINMTU         576             // minimum recommended MTU (rfc1063)
-#define PPPMTU         1500            // default PPP MTU
 #define MAXMTU         2600            // arbitrary maximum MTU
+#define PPPoE_MRU      1492            // maximum PPPoE MRU (rfc2516: 1500 less PPPoE header (6) and PPP protocol ID (2))
 #define MAXETHER       (MAXMTU+18)     // max packet we try sending to tun
 #define MAXTEL         96              // telephone number
 #define MAXUSER                128             // username
@@ -148,7 +147,16 @@ enum {
 
 // reset state machine counters
 #define initialise_restart_count(_s, _fsm)                     \
-       sess_local[_s]._fsm.conf_sent = sess_local[_s]._fsm.nak_sent = 0
+       sess_local[_s]._fsm.conf_sent =                         \
+       sess_local[_s]._fsm.nak_sent = 0
+
+// no more attempts
+#define zero_restart_count(_s, _fsm) ({                                \
+       sess_local[_s]._fsm.conf_sent =                         \
+               config->ppp_max_configure;                      \
+       sess_local[_s]._fsm.restart =                           \
+               time_now + config->ppp_restart_time;            \
+})
 
 // increment ConfReq counter and reset timer
 #define restart_timer(_s, _fsm) ({                             \
@@ -346,7 +354,7 @@ typedef struct
 }
 tunnelt;
 
-// 160 bytes per radius session
+// 164 bytes per radius session
 typedef struct                 // outstanding RADIUS requests
 {
        sessionidt session;     // which session this applies to
@@ -357,6 +365,8 @@ typedef struct                      // outstanding RADIUS requests
        uint8_t try;            // which try we are on
        uint8_t state;          // state of radius requests
        uint8_t chap;           // set if CHAP used (is CHAP identifier)
+       uint8_t term_cause;     // Stop record: Acct-Terminate-Cause
+       char const *term_msg;   //   terminate reason
 }
 radiust;
 
@@ -675,6 +685,36 @@ typedef struct
        int used;               // session ref count
 } ip_filtert;
 
+// CDN result/error codes
+#define CDN_NONE                       0, 0
+#define CDN_TRY_ANOTHER                        2, 7
+#define CDN_ADMIN_DISC                 3, 0
+#define CDN_UNAVAILABLE                        4, 0
+
+// RADIUS Acct-Terminate-Cause values
+#define TERM_USER_REQUEST              1
+#define TERM_LOST_CARRIER              2
+#define TERM_LOST_SERVICE              3
+#define TERM_IDLE_TIMEOUT              4
+#define TERM_SESSION_TIMEOUT           5
+#define TERM_ADMIN_RESET               6
+#define TERM_ADMIN_REBOOT              7
+#define TERM_PORT_ERROR                        8
+#define TERM_NAS_ERROR                 9
+#define TERM_NAS_REQUEST               10
+#define TERM_NAS_REBOOT                        11
+#define TERM_PORT_UNNEEDED             12
+#define TERM_PORT_PREEMPTED            13
+#define TERM_PORT_SUSPENDED            14
+#define TERM_SERVICE_UNAVAILABLE       15
+#define TERM_CALLBACK                  16
+#define TERM_USER_ERROR                        17
+#define TERM_HOST_REQUEST              18
+#define TERM_SUPPLICANT_RESTART                19
+#define TERM_REAUTHENTICATION_FAILURE  20
+#define TERM_PORT_REINIT               21
+#define TERM_PORT_DISABLED             22
+
 // arp.c
 void sendarp(int ifr_idx, const unsigned char* mac, in_addr_t ip);
 
@@ -704,7 +744,7 @@ void processrad(uint8_t *buf, int len, char socket_index);
 void radiusretry(uint16_t r);
 uint16_t radiusnew(sessionidt s);
 void radiusclear(uint16_t r, sessionidt s);
-void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen);
+void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen, struct in_addr *local);
 
 
 // l2tpns.c
@@ -717,7 +757,7 @@ sessionidt sessionbyuser(char *username);
 void increment_counter(uint32_t *counter, uint32_t *wrap, uint32_t delta);
 void random_data(uint8_t *buf, int len);
 void sessionkill(sessionidt s, char *reason);
-void sessionshutdown(sessionidt s, char *reason, int result, int error);
+void sessionshutdown(sessionidt s, char const *reason, int cdn_result, int cdn_error, int term_cause);
 void filter_session(sessionidt s, int filter_in, int filter_out);
 void send_garp(in_addr_t ip);
 void tunnelsend(uint8_t *buf, uint16_t l, tunnelidt t);
@@ -741,6 +781,7 @@ int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc
 void _log(int level, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 4, 5)));
 void _log_hex(int level, const char *title, const uint8_t *data, int maxsize);
 
+
 int sessionsetup(sessionidt s, tunnelidt t);
 int run_plugins(int plugin_type, void *data);
 void rebuild_address_pool(void);
@@ -766,21 +807,6 @@ extern sessionlocalt *sess_local;
 extern ippoolt *ip_address_pool;
 #define sessionfree (session[0].next)
 
-#define log_backtrace(count, max) \
-if (count++ < max) { \
-       void *array[20]; \
-       char **strings; \
-       int size, i; \
-       LOG(0, 0, t, "Backtrace follows:\n"); \
-       size = backtrace(array, 10); \
-       strings = backtrace_symbols(array, size); \
-       if (strings) for (i = 0; i < size; i++) \
-       { \
-               LOG(0, 0, t, " %s\n", strings[i]); \
-       } \
-       free(strings); \
-}
-
 
 extern configt *config;
 extern time_t basetime;                // Time when this process started.