Files
ocserv/src/vpn.h
2013-02-16 16:46:37 +01:00

122 lines
3.3 KiB
C

#ifndef VPN_H
#define VPN_H
#include <config.h>
#include <gnutls/gnutls.h>
#include <http-parser/http_parser.h>
#include <ccan/htable/htable.h>
#include <syslog.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <net/if.h>
#define AC_PKT_DATA 0 /* Uncompressed data */
#define AC_PKT_DPD_OUT 3 /* Dead Peer Detection */
#define AC_PKT_DPD_RESP 4 /* DPD response */
#define AC_PKT_DISCONN 5 /* Client disconnection notice */
#define AC_PKT_KEEPALIVE 7 /* Keepalive */
#define AC_PKT_COMPRESSED 8 /* Compressed data */
#define AC_PKT_TERM_SERVER 9 /* Server kick */
extern int syslog_open;
#define MAX(x,y) ((x)>(y)?(x):(y))
#define MIN(x,y) ((x)<(y)?(x):(y))
/* the first is generic, for the methods that require a username password */
#define AUTH_TYPE_USERNAME_PASS (1<<0)
#define AUTH_TYPE_PAM (1<<1 | AUTH_TYPE_USERNAME_PASS)
#define AUTH_TYPE_CERTIFICATE (1<<2)
typedef struct
{
struct htable ht;
unsigned int entries;
} hash_db_st;
struct vpn_st {
char *name; /* device name */
char *ipv4_netmask;
char *ipv4;
char *ipv4_local; /* local IPv4 address */
char *ipv6_netmask;
char *ipv6;
char *ipv6_local; /* local IPv6 address */
char *ipv4_dns;
char *ipv6_dns;
unsigned int mtu;
char **routes;
unsigned int routes_size;
};
struct cfg_st {
char *name; /* server name */
unsigned int port;
unsigned int udp_port;
char *cert;
char *key;
char *ca;
char *crl;
char *cert_user_oid; /* The OID that will be used to extract the username */
char *cert_group_oid; /* The OID that will be used to extract the groupname */
unsigned int auth_types; /* or'ed sequence of AUTH_TYPE */
gnutls_certificate_request_t cert_req;
char *priorities;
char *chroot_dir; /* where the xml files are served from */
time_t cookie_validity; /* in seconds */
unsigned auth_timeout; /* timeout of HTTP auth */
unsigned keepalive;
unsigned dpd;
unsigned foreground;
unsigned tls_debug;
unsigned debug;
unsigned max_clients;
unsigned max_same_clients;
unsigned use_utmp;
unsigned try_mtu; /* MTU discovery enabled */
/* if gdbm is there */
char* cookie_db_name;
char *connect_script;
char *disconnect_script;
uid_t uid;
gid_t gid;
/* the tun network */
struct vpn_st network;
};
/* generic thing to stop complaints */
struct worker_st;
struct main_server_st;
#include <tun.h>
#define MAX_USERNAME_SIZE 64
#define MAX_PASSWORD_SIZE 64
#define TLS_MASTER_SIZE 48
#define MAX_HOSTNAME_SIZE MAX_USERNAME_SIZE
#define MAX_GROUPNAME_SIZE MAX_USERNAME_SIZE
#define COOKIE_SIZE 32
#define MAX_SESSION_DATA_SIZE (4*1024)
const char *human_addr(const struct sockaddr *sa, socklen_t salen,
void *buf, size_t buflen);
/* Helper casts */
#define SA_IN_P(p) (&((struct sockaddr_in *)(p))->sin_addr)
#define SA_IN_U8_P(p) ((uint8_t*)(&((struct sockaddr_in *)(p))->sin_addr))
#define SA_IN6_P(p) (&((struct sockaddr_in6 *)(p))->sin6_addr)
#define SA_IN6_U8_P(p) ((uint8_t*)(&((struct sockaddr_in6 *)(p))->sin6_addr))
#define SA_IN_PORT(p) (((struct sockaddr_in *)(p))->sin_port)
#define SA_IN6_PORT(p) (((struct sockaddr_in6 *)(p))->sin6_port)
#define SA_IN_P_GENERIC(addr, size) ((size==sizeof(struct sockaddr_in))?SA_IN_U8_P(addr):SA_IN6_U8_P(addr))
#define SA_IN_SIZE(size) ((size==sizeof(struct sockaddr_in))?sizeof(struct in_addr):sizeof(struct in6_addr))
#endif