X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/d547c00f76be21289a5ba403b3d94818d8696360..c1d1c2a8c4f22c3911d392393072327b0e319c5e:/l2tpns.h?ds=sidebyside diff --git a/l2tpns.h b/l2tpns.h index e690ec6..e962256 100644 --- a/l2tpns.h +++ b/l2tpns.h @@ -64,7 +64,14 @@ #define MAXFRAGLEN 1496 // Maximum length for Multilink fragment (The multilink may contain only one link) #define MAXFRAGNUM 512 // Maximum number of Multilink fragment in a bundle (must be in the form of 2^X) // it's not expected to have a space for more than 10 unassembled packets = 10 * MAXBUNDLESES -#define MAXFRAGNUM_MASK 511 // Must be equal to MAXFRAGNUM-1 +#define MAXFRAGNUM_MASK (MAXFRAGNUM - 1) // Must be equal to MAXFRAGNUM-1 + +// Multi bind address constants +#define MAX_UDPFD 4 +#define MAX_BINDADDR MAX_UDPFD +// 4 + 1 for the udplac +#define INIT_TABUDPFD {-1, -1, -1, -1, -1} +#define INIT_TABUDPVAR {0, 0, 0, 0, 0} // Constants #ifndef ETCDIR @@ -247,10 +254,7 @@ typedef struct controls // control message { struct controls *next; // next in queue uint16_t length; // length - union { - uint8_t buf[MAXCONTROL]; - uint16_t buf16[MAXCONTROL/2]; - } __attribute__ ((__transparent_union__)); + uint8_t buf[MAXCONTROL]; } controlt; @@ -325,14 +329,9 @@ typedef struct char class[MAXCLASS]; uint8_t ipv6prefixlen; // IPv6 route prefix length struct in6_addr ipv6route; // Static IPv6 route -#ifdef LAC sessionidt forwardtosession; // LNS id_session to forward uint8_t src_hwaddr[ETH_ALEN]; // MAC addr source (for pppoe sessions 6 bytes) char reserved[4]; // Space to expand structure without changing HB_VERSION -#else - uint8_t src_hwaddr[ETH_ALEN]; // MAC addr source (for pppoe sessions 6 bytes) - char reserved[6]; // Space to expand structure without changing HB_VERSION -#endif } sessiont; @@ -356,9 +355,9 @@ bundlet; typedef struct { - fragmentt fragment[MAXFRAGNUM]; - uint8_t reassembled_frame[MAXETHER]; // The reassembled frame - uint16_t re_frame_len; // The reassembled frame length + fragmentt fragment[MAXFRAGNUM]; + uint8_t reassembled_frame[MAXETHER]; // The reassembled frame + uint16_t re_frame_len; // The reassembled frame length uint16_t re_frame_begin_index, re_frame_end_index; // reassembled frame begin index, end index respectively uint16_t start_index, end_index; // start and end sequence numbers available on the fragments array respectively uint32_t M; // Minumum frame sequence number received over all bundle members @@ -452,12 +451,9 @@ typedef struct uint16_t controlc; // outstaind messages in queue controlt *controls; // oldest message controlt *controle; // newest message -#ifdef LAC uint16_t isremotelns; // != 0 if the tunnel is to remote LNS (== index on the conf remote lns) - char reserved[14]; // Space to expand structure without changing HB_VERSION -#else - char reserved[16]; // Space to expand structure without changing HB_VERSION -#endif + uint16_t indexudp; // Index UDP file handle (in udpfd[]) + char reserved[12]; // Space to expand structure without changing HB_VERSION } tunnelt; @@ -768,17 +764,23 @@ typedef struct int idle_echo_timeout; // Time between last packet seen and // Drop sessions who have not responded within IDLE_ECHO_TIMEOUT seconds in_addr_t iftun_address; -#ifdef LAC int disable_lac_func; int auth_tunnel_change_addr_src; int highest_rlnsid; uint16_t bind_portremotelns; in_addr_t bind_address_remotelns; -#endif char pppoe_if_to_bind[IFNAMSIZ]; // Name pppoe interface to bind char pppoe_service_name[64]; // pppoe service name char pppoe_ac_name[64]; uint8_t pppoe_hwaddr[ETH_ALEN]; // MAC addr of interface pppoe to bind + int disable_sending_hello; // Disable l2tp sending HELLO message for Apple compatibility. + int disable_no_spoof; // Disable no spoof (permit load balancing client --> internet) + int nbudpfd; // number UDP file handle + int nbmultiaddress; // number multi address to bind + int indexlacudpfd; // Index UDP LAC file handle (in udpfd[]) + in_addr_t bind_n_address[MAX_BINDADDR]; + in_addr_t iftun_n_address[MAX_BINDADDR]; + char bind_multi_address[256]; } configt; enum config_typet { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IPv4, IPv6 }; @@ -898,6 +900,7 @@ void processipv6in(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l); void processccp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l); void sendchap(sessionidt s, tunnelidt t); uint8_t *makeppp(uint8_t *b, int size, uint8_t *p, int l, sessionidt s, tunnelidt t, uint16_t mtype, uint8_t prio, bundleidt bid, uint8_t mp_bits); +uint8_t *opt_makeppp(uint8_t *p, int l, sessionidt s, tunnelidt t, uint16_t mtype, uint8_t prio, bundleidt bid, uint8_t mp_bits); void sendlcp(sessionidt s, tunnelidt t); void send_ipin(sessionidt s, uint8_t *buf, int len); void sendccp(sessionidt s, tunnelidt t); @@ -913,9 +916,7 @@ 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, struct in_addr *local); -#ifdef LAC int rad_tunnel_pwdecode(uint8_t *pl2tpsecret, size_t *pl2tpsecretlen, const char *radiussecret, const uint8_t * auth); -#endif // l2tpns.c clockt backoff(uint8_t try); @@ -935,7 +936,7 @@ int tun_write(uint8_t *data, int size); void adjust_tcp_mss(sessionidt s, tunnelidt t, uint8_t *buf, int len, uint8_t *tcp); void sendipcp(sessionidt s, tunnelidt t); void sendipv6cp(sessionidt s, tunnelidt t); -void processudp(uint8_t *buf, int len, struct sockaddr_in *addr); +void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexudpfd); void processipout(uint8_t *buf, int len); 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); @@ -943,13 +944,11 @@ 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 cmd_show_hist_idle(struct cli_def *cli, char *command, char **argv, int argc); int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc); -#ifdef LAC tunnelidt lac_new_tunnel(); void lac_tunnelclear(tunnelidt t); void lac_send_SCCRQ(tunnelidt t, uint8_t * auth, unsigned int auth_len); void lac_send_ICRQ(tunnelidt t, sessionidt s); void lac_tunnelshutdown(tunnelidt t, char *reason, int result, int error, char *msg); -#endif #undef LOG #undef LOG_HEX @@ -1009,13 +1008,10 @@ struct event_data { FD_TYPE_RADIUS, FD_TYPE_BGP, FD_TYPE_NETLINK, -#ifdef LAC - FD_TYPE_UDPLAC, -#endif FD_TYPE_PPPOEDISC, FD_TYPE_PPPOESESS } type; - int index; // for RADIUS, BGP + int index; // for RADIUS, BGP, UDP }; #define TIME (config->current_time)