include Acct-Session-Time in interim records

[l2tpns.git] / l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index a8e2d9a..2bf86bf 100644 (file)
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -1,5 +1,5 @@
 // L2TPNS Global Stuff
 // L2TPNS Global Stuff

-// $Id: l2tpns.h,v 1.80 2005-06-28 14:48:27 bodea Exp $
+// $Id: l2tpns.h,v 1.81 2005-07-31 10:04:10 bodea Exp $

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


@@ -72,14 +72,14 @@
 #define CONFIGFILE     FLASHDIR "/startup-config"      // Configuration file
 #define CLIUSERS       FLASHDIR "/users"               // CLI Users file
 #define IPPOOLFILE     FLASHDIR "/ip_pool"             // Address pool configuration
 #define CONFIGFILE     FLASHDIR "/startup-config"      // Configuration file
 #define CLIUSERS       FLASHDIR "/users"               // CLI Users file
 #define IPPOOLFILE     FLASHDIR "/ip_pool"             // Address pool configuration

-#define ACCT_TIME      3000            // 5 minute accounting interval
-#define ACCT_SHUT_TIME 600             // 1 minute for counters of shutdown sessions
-#define        L2TPPORT        1701            // L2TP port
-#define RADPORT                1645            // old radius port...
-#define DAEPORT                3799            // DAE port
-#define        PKTARP          0x0806          // ARP packet type
-#define        PKTIP           0x0800          // IPv4 packet type
-#define        PKTIPV6         0x86DD          // IPv6 packet type
+#define ACCT_TIME      3000                            // 5 minute accounting interval
+#define ACCT_SHUT_TIME 600                             // 1 minute for counters of shutdown sessions
+#define        L2TPPORT        1701                            // L2TP port
+#define RADPORT                1645                            // old radius port...
+#define DAEPORT                3799                            // DAE port
+#define        PKTARP          0x0806                          // ARP packet type
+#define        PKTIP           0x0800                          // IPv4 packet type
+#define        PKTIPV6         0x86DD                          // IPv6 packet type

 #define        PPPPAP          0xC023
 #define        PPPCHAP         0xC223
 #define        PPPLCP          0xC021
 #define        PPPPAP          0xC023
 #define        PPPCHAP         0xC223
 #define        PPPLCP          0xC021


@@ -121,6 +121,52 @@ enum {
        CoANAK
 };
 
        CoANAK
 };
 

+// PPP phases
+enum {
+       Dead,
+       Establish,
+       Authenticate,
+       Network,
+       Terminate
+};
+
+// PPP states
+enum {
+       Initial,
+       Starting,
+       Closed,
+       Stopped,
+       Closing,
+       Stopping,
+       RequestSent,
+       AckReceived,
+       AckSent,
+       Opened
+};
+
+// reset state machine counters
+#define initialise_restart_count(_s, _fsm)                     \
+       sess_local[_s]._fsm.conf_sent = sess_local[_s]._fsm.nak_sent
+
+// stop timer on change to state where timer does not run
+#define change_state(_s, _fsm, _new) ({                                \
+       if (_new != session[_s].ppp._fsm)                       \
+       {                                                       \
+               switch (_new)                                   \
+               {                                               \
+               case Initial:                                   \
+               case Starting:                                  \
+               case Closed:                                    \
+               case Stopped:                                   \
+               case Opened:                                    \
+                       sess_local[_s]._fsm.restart = 0;        \
+                       initialise_restart_count(_s, _fsm);     \
+               }                                               \
+               session[_s].ppp._fsm = _new;                    \
+               cluster_send_session(_s);                       \
+       }                                                       \
+})
+

 // Types
 typedef uint16_t sessionidt;
 typedef uint16_t tunnelidt;
 // Types
 typedef uint16_t sessionidt;
 typedef uint16_t tunnelidt;


@@ -174,7 +220,14 @@ typedef struct
        sessionidt far;                 // far end session ID
        tunnelidt tunnel;               // near end tunnel ID
        uint8_t l2tp_flags;             // various bit flags from the ICCN on the l2tp tunnel.
        sessionidt far;                 // far end session ID
        tunnelidt tunnel;               // near end tunnel ID
        uint8_t l2tp_flags;             // various bit flags from the ICCN on the l2tp tunnel.

-       uint8_t flags;                  // Various session flags.
+       struct {
+               uint8_t phase;          // PPP phase
+               uint8_t lcp:4;          //   LCP    state
+               uint8_t ipcp:4;         //   IPCP   state
+               uint8_t ipv6cp:4;       //   IPV6CP state
+               uint8_t ccp:4;          //   CCP    state
+               uint8_t pad;            // unused
+       } ppp;

        in_addr_t ip;                   // IP of session set by RADIUS response (host byte order).
        int ip_pool_index;              // index to IP pool
        uint32_t unique_id;             // unique session id
        in_addr_t ip;                   // IP of session set by RADIUS response (host byte order).
        int ip_pool_index;              // index to IP pool
        uint32_t unique_id;             // unique session id


@@ -198,7 +251,7 @@ typedef struct
        uint16_t tbf_in;                // filter bucket for throttling in from the user.
        uint16_t tbf_out;               // filter bucket for throttling out to the user.
        int random_vector_length;
        uint16_t tbf_in;                // filter bucket for throttling in from the user.
        uint16_t tbf_out;               // filter bucket for throttling out to the user.
        int random_vector_length;

-       char random_vector[MAXTEL];
+       uint8_t random_vector[MAXTEL];

        char user[MAXUSER];             // user (needed in seesion for radius stop messages)
        char called[MAXTEL];            // called number
        char calling[MAXTEL];           // calling number
        char user[MAXUSER];             // user (needed in seesion for radius stop messages)
        char called[MAXTEL];            // called number
        char calling[MAXTEL];           // calling number


@@ -209,17 +262,10 @@ typedef struct
        uint8_t walled_garden;          // is this session gardened?
        uint8_t ipv6prefixlen;          // IPv6 route prefix length
        struct in6_addr ipv6route;      // Static IPv6 route
        uint8_t walled_garden;          // is this session gardened?
        uint8_t ipv6prefixlen;          // IPv6 route prefix length
        struct in6_addr ipv6route;      // Static IPv6 route

-       char reserved[16];              // Space to expand structure without changing HB_VERSION
+       char reserved[11];              // Space to expand structure without changing HB_VERSION

 }
 sessiont;
 
 }
 sessiont;
 

-#define SF_IPCP_ACKED  1       // Has this session seen an IPCP Ack?
-#define SF_LCP_ACKED   2       // LCP negotiated
-#define SF_CCP_ACKED   4       // CCP negotiated
-#define SF_IPV6CP_ACKED        8       // IPv6 negotiated
-#define SF_IPV6_NACKED 16      // IPv6 rejected
-#define SF_IPV6_ROUTED 32      // advertised v6 route
-

 #define AUTHPAP                1       // allow PAP
 #define AUTHCHAP       2       // allow CHAP
 
 #define AUTHPAP                1       // allow PAP
 #define AUTHCHAP       2       // allow CHAP
 


@@ -233,6 +279,16 @@ typedef struct
        uint32_t cin;
        uint32_t cout;
 
        uint32_t cin;
        uint32_t cout;
 

+       // PPP restart timer/counters
+       struct {
+               time_t restart;
+               int conf_sent;
+               int nak_sent;
+       } lcp, ipcp, ipv6cp, ccp;
+
+       // authentication to use
+       int lcp_authtype;
+

        // DoS prevention
        clockt last_packet_out;
        uint32_t packets_out;
        // DoS prevention
        clockt last_packet_out;
        uint32_t packets_out;


@@ -271,13 +327,12 @@ typedef struct
 }
 tunnelt;
 
 }
 tunnelt;
 

-// 180 bytes per radius session
+// 160 bytes per radius session

 typedef struct                 // outstanding RADIUS requests
 {
        sessionidt session;     // which session this applies to
        hasht auth;             // request authenticator
        clockt retry;           // when to try next
 typedef struct                 // outstanding RADIUS requests
 {
        sessionidt session;     // which session this applies to
        hasht auth;             // request authenticator
        clockt retry;           // when to try next

-       char calling[MAXTEL];   // calling number

        char pass[129];         // password
        uint8_t id;             // ID for PPP response
        uint8_t try;            // which try we are on
        char pass[129];         // password
        uint8_t id;             // ID for PPP response
        uint8_t try;            // which try we are on


@@ -328,7 +383,6 @@ enum
        RADIUSNULL,             // Not in use
        RADIUSCHAP,             // sending CHAP down PPP
        RADIUSAUTH,             // sending auth to RADIUS server
        RADIUSNULL,             // Not in use
        RADIUSCHAP,             // sending CHAP down PPP
        RADIUSAUTH,             // sending auth to RADIUS server

-       RADIUSIPCP,             // sending IPCP to end user

        RADIUSSTART,            // sending start accounting to RADIUS server
        RADIUSSTOP,             // sending stop accounting to RADIUS server
        RADIUSINTERIM,          // sending interim accounting to RADIUS server
        RADIUSSTART,            // sending start accounting to RADIUS server
        RADIUSSTOP,             // sending stop accounting to RADIUS server
        RADIUSINTERIM,          // sending interim accounting to RADIUS server


@@ -391,6 +445,7 @@ struct Tstats
     uint32_t   call_sessionbyuser;
     uint32_t   call_sendarp;
     uint32_t   call_sendipcp;
     uint32_t   call_sessionbyuser;
     uint32_t   call_sendarp;
     uint32_t   call_sendipcp;

+    uint32_t   call_sendipv6cp;

     uint32_t   call_processipv6cp;
     uint32_t   call_tunnelsend;
     uint32_t   call_sessionkill;
     uint32_t   call_processipv6cp;
     uint32_t   call_tunnelsend;
     uint32_t   call_sessionkill;


@@ -457,6 +512,10 @@ typedef struct
 
        char            random_device[256];             // random device path, defaults to RANDOMDEVICE
 
 
        char            random_device[256];             // random device path, defaults to RANDOMDEVICE
 

+       int             ppp_restart_time;               // timeout for PPP restart
+       int             ppp_max_configure;              // max lcp configure requests to send
+       int             ppp_max_failure;                // max lcp configure naks to send
+

        char            radiussecret[64];
        int             radius_accounting;
        int             radius_interim;
        char            radiussecret[64];
        int             radius_accounting;
        int             radius_interim;


@@ -601,6 +660,7 @@ void sendarp(int ifr_idx, const unsigned char* mac, in_addr_t ip);
 // ppp.c
 void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processchap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 // ppp.c
 void processpap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processchap(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);

+void lcp_open(tunnelidt t, sessionidt s);

 void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processlcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processipcp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);
 void processipv6cp(tunnelidt t, sessionidt s, uint8_t *p, uint16_t l);


@@ -611,6 +671,7 @@ void sendchap(tunnelidt t, sessionidt s);
 uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionidt s, uint16_t mtype);
 void sendlcp(tunnelidt t, sessionidt s, int authtype);
 void send_ipin(sessionidt s, uint8_t *buf, int len);
 uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, tunnelidt t, sessionidt s, uint16_t mtype);
 void sendlcp(tunnelidt t, sessionidt s, int authtype);
 void send_ipin(sessionidt s, uint8_t *buf, int len);

+void sendccp(tunnelidt t, sessionidt s);

 
 
 // radius.c
 
 
 // radius.c


@@ -638,8 +699,9 @@ 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);
 void sendipcp(tunnelidt t, sessionidt s);
 void send_garp(in_addr_t ip);
 void tunnelsend(uint8_t *buf, uint16_t l, tunnelidt t);
 void sendipcp(tunnelidt t, sessionidt s);

+void sendipv6cp(tunnelidt t, sessionidt s);

 void processudp(uint8_t *buf, int len, struct sockaddr_in *addr);
 void processudp(uint8_t *buf, int len, struct sockaddr_in *addr);

-void snoop_send_packet(char *packet, uint16_t size, in_addr_t destination, uint16_t port);
+void snoop_send_packet(uint8_t *packet, uint16_t size, in_addr_t destination, uint16_t port);

 int find_filter(char const *name, size_t len);
 int ip_filter(uint8_t *buf, int len, uint8_t filter);
 int cmd_show_ipcache(struct cli_def *cli, char *command, char **argv, int argc);
 int find_filter(char const *name, size_t len);
 int ip_filter(uint8_t *buf, int len, uint8_t filter);
 int cmd_show_ipcache(struct cli_def *cli, char *command, char **argv, int argc);


@@ -652,7 +714,7 @@ int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc
 #define LOG_HEX(D, t, d, s)    ({ if (D <= config->debug) _log_hex(D, t, d, s); })
 
 void _log(int level, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 4, 5)));
 #define LOG_HEX(D, t, d, s)    ({ if (D <= config->debug) _log_hex(D, t, d, s); })
 
 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 char *data, int maxsize);
+void _log_hex(int level, const char *title, const uint8_t *data, int maxsize);

 
 int sessionsetup(tunnelidt t, sessionidt s);
 int run_plugins(int plugin_type, void *data);
 
 int sessionsetup(tunnelidt t, sessionidt s);
 int run_plugins(int plugin_type, void *data);


@@ -670,7 +732,7 @@ int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...);
 
 
 // icmp.c
 
 
 // icmp.c

-void host_unreachable(in_addr_t destination, uint16_t id, in_addr_t source, char *packet, int packet_len);
+void host_unreachable(in_addr_t destination, uint16_t id, in_addr_t source, uint8_t *packet, int packet_len);

 
 
 extern tunnelt *tunnel;
 
 
 extern tunnelt *tunnel;