X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/ec1507a6c2f477e81050e5540fceed50c7bf7432..a478f1c2a22514a4de4521ffe3ed93d3c2c427b8:/l2tpns.h diff --git a/l2tpns.h b/l2tpns.h index 56f8fa1..4fe9a5c 100644 --- a/l2tpns.h +++ b/l2tpns.h @@ -24,6 +24,10 @@ #define MAXADDRESS 20 // Maximum length for the Endpoint Discrminiator address #define MAXSESSION 60000 // could be up to 65535 #define MAXTBFS 6000 // Maximum token bucket filters. Might need up to 2 * session. +#define MAXSESSINGRP 12 // Maximum number of member links in grouped session +#define MAXGRPINSESS 12 // Maximum number of member links in session group +#define MAXGROUPE 300 // could be up to 65535, Maximum number of grouped session +#define MAXROUTEINGRP 15 // max static routes per group // Tunnel Id reserved for pppoe #define TUNNEL_ID_PPPOE 1 @@ -66,6 +70,13 @@ // it's not expected to have a space for more than 10 unassembled packets = 10 * MAXBUNDLESES #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 #define ETCDIR "/etc/l2tpns" @@ -207,6 +218,7 @@ enum { typedef uint16_t sessionidt; typedef uint16_t bundleidt; typedef uint16_t tunnelidt; +typedef uint16_t groupidt; typedef uint32_t clockt; typedef uint8_t hasht[16]; @@ -247,10 +259,7 @@ 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; @@ -325,17 +334,39 @@ 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 + uint32_t coutgrp_delta; } sessiont; +typedef struct +{ + uint32_t tx_rate; + sessionidt sid; + uint8_t weight; +} +groupsessionidt; + +typedef struct +{ + uint32_t time_changed; + groupidt prev; + sessionidt smax; + sessionidt smin; + groupsessionidt sesslist[MAXSESSINGRP]; + routet route[MAXROUTEINGRP]; // static routes + uint8_t nbroutesgrp; + uint8_t nbsession; +} +groupsesst; + +union iphash +{ + sessionidt sess; + union iphash *idx; +}; // Mapping from IP address to session structures. + typedef struct { int state; // current state (bundlestate enum) @@ -452,12 +483,9 @@ 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; @@ -768,19 +796,24 @@ 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]; + int grp_txrate_average_time; // caculation txrate average time (default 10s) } configt; enum config_typet { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IPv4, IPv6 }; @@ -916,9 +949,7 @@ 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); @@ -938,7 +969,7 @@ 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); @@ -946,13 +977,25 @@ 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 +void netlink_addattr(struct nlmsghdr *nh, int type, const void *data, int alen); +ssize_t netlink_send(struct nlmsghdr *nh); +void cache_ipmap(in_addr_t ip, sessionidt s); + 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 + +// grpsess.c +sessionidt grp_getnextsession(groupidt g, in_addr_t ip); +void grp_initdata(void); +void grp_processvendorspecific(sessionidt s, uint8_t *pvs); +groupidt grp_groupbysession(sessionidt s); +groupidt grp_groupbyip(in_addr_t ip); +void grp_setgrouproute(groupidt g, int add); +void grp_time_changed(void); +void grp_removesession(groupidt g, sessionidt s); #undef LOG #undef LOG_HEX @@ -988,6 +1031,8 @@ extern bundlet *bundle; extern sessiont *session; extern sessionlocalt *sess_local; extern ippoolt *ip_address_pool; +extern groupsesst *grpsession; +groupidt gnextgrpid; #define sessionfree (session[0].next) @@ -1000,6 +1045,8 @@ extern struct Tstats *_statistics; extern in_addr_t my_address; extern int clifd; extern int epollfd; +extern int tunidx; // ifr_ifindex of tun device +extern union iphash ip_hash[256]; struct event_data { enum { @@ -1012,13 +1059,10 @@ 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)