X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/fc0a36320874bea43b9fd73df0e0990bfd3b59cd..546f9704529c049736840ec4ca5befdca794be04:/l2tpns.h diff --git a/l2tpns.h b/l2tpns.h index ff2e9e9..8cdc2fc 100644 --- a/l2tpns.h +++ b/l2tpns.h @@ -1,16 +1,19 @@ // L2TPNS Global Stuff -// $Id: l2tpns.h,v 1.2 2004-03-05 00:09:03 fred_nerk Exp $ +// $Id: l2tpns.h,v 1.5 2004-05-24 04:24:06 fred_nerk Exp $ #include #include -#include "config.h" +#include -#define VERSION "1.1.0" +#define VERSION "1.2.0" // Limits #define MAXTUNNEL 500 // could be up to 65535 #define MAXSESSION 50000 // could be up to 65535 -#define MAXRADIUS 255 +#define RADIUS_SHIFT 5 +#define RADIUS_MASK ((unsigned short)(((unsigned short)~0) >> (16 - RADIUS_SHIFT))) +#define MAXRADIUS ((2 << (RADIUS_SHIFT - 1)) * 255) + #define MAXCONTROL 1000 // max length control message we ever send... #define MAXETHER (1500+18) // max packet we try sending to tap #define MAXTEL 96 // telephone number @@ -30,11 +33,11 @@ #define TAPDEVICE "/dev/net/tun" #define UDP 17 #define HOMEDIR "/home/l2tpns/" // Base dir for data -#define STATEFILE "/tmp/l2tpns.dump" // State dump file -#define NOSTATEFILE "/tmp/l2tpns.no_state_reload" // If exists, state will not be reloaded -#define CONFIGFILE ETCDIR "l2tpns.cfg" // Configuration file -#define CLIUSERS ETCDIR "l2tpns.users" // CLI Users file -#define IPPOOLFILE ETCDIR "l2tpns.ip_pool" // Address pool configuration +#define STATEFILE "/tmp/l2tpns.dump" // State dump file +#define NOSTATEFILE "/tmp/l2tpns.no_state_reload" // If exists, state will not be reloaded +#define CONFIGFILE ETCDIR "/l2tpns.cfg" // Configuration file +#define CLIUSERS ETCDIR "/l2tpns.users" // CLI Users file +#define IPPOOLFILE ETCDIR "/l2tpns.ip_pool" // Address pool configuration #ifndef LIBDIR #define LIBDIR "/usr/lib/l2tpns" #endif @@ -52,6 +55,7 @@ #define PPPCCP 0x80FD #define PPPIP 0x0021 #define PPPMP 0x003D +#define MIN_IP_SIZE 0x20 enum { ConfigReq = 1, @@ -99,10 +103,8 @@ controlt; typedef struct stbft { - struct stbft *next; char handle[10]; char in_use; - int mark; } tbft; @@ -128,11 +130,11 @@ typedef struct sessions time_t last_packet; // Last packet from the user (used for idle timeouts) ipt dns1, dns2; // DNS servers routet route[MAXROUTE]; // static routes - u8 radius; // which radius session is being used (0 for not waiting on authentication) + u16 radius; // which radius session is being used (0 for not waiting on authentication) u8 flags; // various bit flags u8 snoop; // are we snooping this session? u8 throttle; // is this session throttled? - u8 servicenet; // is this session servicenetted? + u8 walled_garden; // is this session gardened? u16 mru; // maximum receive unit u16 tbf; // filter bucket for throttling char random_vector[MAXTEL]; @@ -172,26 +174,27 @@ typedef struct tunnels tunnelt; // 180 bytes per radius session -typedef struct radiuss // outstanding RADIUS requests +typedef struct radiuss // 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 - u8 id; // ID for PPP response - u8 try; // which try we are on - u8 state; // state of radius requests - u8 chap; // set if CHAP used (is CHAP identifier) + 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 + u8 id; // ID for PPP response + u8 try; // which try we are on + u8 state; // state of radius requests + u8 chap; // set if CHAP used (is CHAP identifier) } radiust; typedef struct { - ipt address; - char assigned; // 1 if assigned, 0 if free - clockt last; // last used - char user[129]; // user (try to have ip addresses persistent) + ipt address; + char assigned; // 1 if assigned, 0 if free + sessionidt session; + clockt last; // last used + char user[129]; // user (try to have ip addresses persistent) } ippoolt; @@ -325,6 +328,8 @@ struct configt char config_file[128]; int reload_config; // flag to re-read config (set by cli) + int cleanup_interval; // interval between regular cleanups (in seconds) + int multi_read_count; // amount of packets to read per fd in processing loop char tapdevice[10]; // tap device name char log_filename[128]; @@ -334,6 +339,7 @@ struct configt int radius_accounting; ipt radiusserver[MAXRADSERVER]; // radius servers u8 numradiusservers; // radius server count + short num_radfds; // Number of radius filehandles allocated ipt default_dns1, default_dns2; @@ -350,6 +356,8 @@ struct configt int dump_speed; char plugins[64][MAXPLUGINS]; char old_plugins[64][MAXPLUGINS]; + + int next_tbf; // Next HTB id available to use }; struct config_descriptt @@ -380,11 +388,11 @@ void dumplcp(char *p, int l); // radius.c void initrad(void); -void radiussend(u8 r, u8 state); -void processrad(u8 *buf, int len); -void radiusretry(u8 r); -u8 radiusnew(sessionidt s); -void radiusclear(u8 r, sessionidt s); +void radiussend(u16 r, u8 state); +void processrad(u8 *buf, int len, char socket_index); +void radiusretry(u16 r); +u16 radiusnew(sessionidt s); +void radiusclear(u16 r, sessionidt s); // throttle.c int throttle_session(sessionidt s, int throttle); @@ -437,7 +445,7 @@ void mainloop(void); #ifndef log_hex #define log_hex(a,b,c,d) do{if (a <= config->debug) _log_hex(a,0,0,0,b,c,d);}while (0) #endif -void _log(int level, ipt address, sessionidt s, tunnelidt t, const char *format, ...); +void _log(int level, ipt address, sessionidt s, tunnelidt t, const char *format, ...) __attribute__((format (printf, 5, 6))); void _log_hex(int level, ipt address, sessionidt s, tunnelidt t, const char *title, const char *data, int maxsize); void build_chap_response(char *challenge, u8 id, u16 challenge_length, char **challenge_response); int sessionsetup(tunnelidt t, sessionidt s, u8 routes); @@ -460,3 +468,19 @@ void host_unreachable(ipt destination, u16 id, ipt source, char *packet, int pac extern tunnelt *tunnel; extern sessiont *session; #define sessionfree (session[0].next) + +#define log_backtrace(count, max) \ +if (count++ < max) { \ + void *array[20]; \ + char **strings; \ + int size, i; \ + log(0, 0, 0, t, "Backtrace follows"); \ + size = backtrace(array, 10); \ + strings = backtrace_symbols(array, size); \ + if (strings) for (i = 0; i < size; i++) \ + { \ + log(0, 0, 0, t, "%s\n", strings[i]); \ + } \ + free(strings); \ +} +