#include <signal.h>
#include <stdlib.h>
#include <netinet/in.h>
+#include <net/ethernet.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/types.h>
#define MAXSESSION 60000 // could be up to 65535
#define MAXTBFS 6000 // Maximum token bucket filters. Might need up to 2 * session.
+// Tunnel Id reserved for pppoe
+#define TUNNEL_ID_PPPOE 1
+
#define RADIUS_SHIFT 6
#define RADIUS_FDS (1 << RADIUS_SHIFT)
#define RADIUS_MASK ((1 << RADIUS_SHIFT) - 1)
#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
+// + 1 for the LAC Hostname
+#define MAX_NBHOSTNAME (MAX_UDPFD + 1)
+// 4 + 1 for the udplac
+#define INIT_TABUDPFD {-1, -1, -1, -1, -1}
+#define INIT_TABUDPVAR {0, 0, 0, 0, 0}
// Constants
#ifndef ETCDIR
{
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;
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
- char reserved[10]; // Space to expand structure without changing HB_VERSION
-#else
- char reserved[12]; // Space to expand structure without changing HB_VERSION
-#endif
+ 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
}
sessiont;
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
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;
int num_tbfs; // number of throttle buckets
char accounting_dir[128];
+ int account_all_origin; // Accouting all origin (LAC data + Remote LNS Data + PPPOE data)
in_addr_t bind_address;
in_addr_t peer_address;
int send_garp; // Set to true to garp for vip address on startup
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 pppoe_only_equal_svc_name; // Accept only PADI with service-name equal to server
+ 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[])
+ int nbmultihostname; // number hostname, normally the same number as the nbudpfd
+ in_addr_t bind_n_address[MAX_BINDADDR];
+ in_addr_t iftun_n_address[MAX_BINDADDR];
+ char bind_multi_address[256];
+ char multi_hostname[512];
+ char multi_n_hostname[MAX_NBHOSTNAME][MAXHOSTNAME]; // list hostname
} configt;
enum config_typet { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IPv4, IPv6 };
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);
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);
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);
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
struct event_data {
enum {
- FD_TYPE_CLI,
- FD_TYPE_CLUSTER,
- FD_TYPE_TUN,
- FD_TYPE_UDP,
- FD_TYPE_CONTROL,
- FD_TYPE_DAE,
+ FD_TYPE_CLI,
+ FD_TYPE_CLUSTER,
+ FD_TYPE_TUN,
+ FD_TYPE_UDP,
+ FD_TYPE_CONTROL,
+ FD_TYPE_DAE,
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)
projects / l2tpns.git / blobdiff