2 * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file net.h exported symbols from net.c */
10 * the buffer size of the sun_path component of struct sockaddr_un
12 * While glibc doesn't define \p UNIX_PATH_MAX, it
13 * documents it has being limited to 108 bytes.
16 #define UNIX_PATH_MAX 108
19 /** \cond Userland defines for Linux DCCP support. */
21 #define IPPROTO_DCCP 33 /**< IANA assigned value */
22 #define SOCK_DCCP 6 /**< Linux socket type */
23 #define SOL_DCCP 269 /**< Linux socket level */
28 * Generic socket creation (passive and active sockets).
30 extern int makesock(unsigned l3type, unsigned l4type, int passive,
31 const char *host, unsigned short port_number);
32 extern struct in_addr extract_v4_addr(const struct sockaddr_storage *ss);
35 * Functions to support listening sockets.
37 /** How many pending connections queue of a listening server will hold. */
39 extern int para_listen(unsigned l3type, unsigned l4type, unsigned short port);
41 /** Pretty-printing of IPv4/6 socket addresses */
42 extern char *local_name(int sockfd);
43 extern char *remote_name(int sockfd);
45 /** used to crypt the communication between para_server and para_client */
46 typedef void crypt_function(unsigned long len,
47 const unsigned char *indata, unsigned char *outdata, void *private_data);
49 int send_buffer(int, const char *);
50 int send_bin_buffer(int, const char *, size_t);
51 __printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
52 int recv_buffer(int fd, char *buf, size_t size);
53 int recv_bin_buffer(int fd, char *buf, size_t size);
54 int para_accept(int, void *addr, socklen_t size);
55 int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
57 int create_remote_socket(const char *name);
58 int recv_cred_buffer(int, char *, size_t);
59 ssize_t send_cred_buffer(int, char*);
60 int recv_pattern(int fd, const char *pattern, size_t bufsize);
61 void enable_crypt(int fd, crypt_function *recv_f, crypt_function *send_f,
63 void disable_crypt(int fd);