-/*
- * Copyright (C) 2006-2014 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file net.h exported symbols from net.c */
-/**
- * The buffer size of the sun_path component of struct sockaddr_un.
- *
- * While glibc doesn't define \p UNIX_PATH_MAX, it documents it has being
- * limited to 108 bytes. On NetBSD it is only 104 bytes though. We trust \p
- * UNIX_PATH_MAX if it is defined and use the size of the ->sun_path member
- * otherwise. This should be safe everywhere.
- */
-#ifndef UNIX_PATH_MAX
-#define UNIX_PATH_MAX (sizeof(((struct sockaddr_un *)0)->sun_path))
-#endif
-
/* Userland defines for Linux DCCP support. */
-#ifndef IPPROTO_DCCP
-#define IPPROTO_DCCP 33 /**< IANA assigned value. */
-#endif
-
-#ifndef SOCK_DCCP
-#define SOCK_DCCP 6 /**< Linux socket type. */
-#endif
-
-#ifndef DCCP_SOCKOPT_RX_CCID
-/** Per-connection CCID support (set/get the RX CCID, since v2.6.30-rc1). */
-#define DCCP_SOCKOPT_RX_CCID 15
-#endif
-
#ifndef SOL_DCCP
#define SOL_DCCP 269 /**< Linux socket level. */
#endif
-#ifndef DCCP_SOCKOPT_GET_CUR_MPS
-#define DCCP_SOCKOPT_GET_CUR_MPS 5 /**< Max packet size, RFC 4340, 14. */
-#endif
-
-#ifndef DCCP_SOCKOPT_AVAILABLE_CCIDS
-#define DCCP_SOCKOPT_AVAILABLE_CCIDS 12 /**< List of supported CCIDs. */
-#endif
-
-#ifndef DCCP_SOCKOPT_CCID
-#define DCCP_SOCKOPT_CCID 13 /**< Sets both TX/RX CCID. */
-#endif
+/** The maximum length of the host component in an URL. */
+#define MAX_HOSTLEN 256
-#ifndef DCCP_SOCKOPT_TX_CCID
-#define DCCP_SOCKOPT_TX_CCID 14 /**< Set/get the TX CCID. */
-#endif
-
-/**
- * Flowopts: Transport-layer independent encapsulation of socket options
- * that need to be registered prior to setting up a connection.
- */
+/* Opaque, only known to net.c. */
struct flowopts;
-extern struct flowopts *flowopt_new(void);
-extern void flowopt_add(struct flowopts *fo, int level, int opt,
+struct flowopts *flowopt_new(void);
+void flowopt_add(struct flowopts *fo, int level, int opt,
const char *name, const void *val, int len);
void flowopt_cleanup(struct flowopts *fo);
-/** Flowopt shortcut macros */
-#define OPT_ADD(fo, lev, opt, val, len) flowopt_add(fo, lev, opt, #opt, val, len)
/**
* Functions to parse and validate (parts of) URLs.
*/
-extern char *parse_cidr(const char *cidr,
- char *addr, ssize_t addrlen, int32_t *netmask);
-extern char *parse_url(const char *url,
- char *host, ssize_t hostlen, int32_t *port);
-extern const char *stringify_port(int port, const char *transport);
-/**
- * Ensure that string conforms to the IPv4 address format.
- *
- * \param address The address string to check.
- *
- * \return 1 if \a address conforms to the IPv4 address format, else 0.
- */
-_static_inline_ bool is_valid_ipv4_address(const char *address)
-{
- struct in_addr test_it;
-
- return inet_pton(AF_INET, address, &test_it) != 0;
-}
-
-/**
- * Ensure that string conforms to IPv6 address format.
- *
- * \param address The address string to check.
- *
- * \return 1 if string has a valid IPv6 address syntax, 0 if not.
- * \sa RFC 4291
- */
-_static_inline_ bool is_valid_ipv6_address(const char *address)
-{
- struct in6_addr test_it;
-
- return inet_pton(AF_INET6, address, &test_it) != 0;
-}
+char *parse_cidr(const char *cidr,
+ char *addr, ssize_t addrlen, int32_t *netmask);
+char *parse_url(const char *url,
+ char *host, ssize_t hostlen, int32_t *port);
+__malloc char *format_url(const char *url, int default_port);
+const char *stringify_port(int port, const char *transport);
int lookup_address(unsigned l4type, bool passive, const char *host,
int port_number, struct addrinfo **result);
int makesock_addrinfo(unsigned l4type, bool passive, struct addrinfo *ai,
struct flowopts *fo);
-static inline int para_connect_simple(unsigned l4type,
- const char *host, uint16_t port)
+static inline int para_connect(unsigned l4type, const char *host, uint16_t port)
{
- return makesock(l4type, 0, host, port, NULL);
+ return makesock(l4type, false, host, port, NULL);
}
void extract_v4_addr(const struct sockaddr_storage *ss, struct in_addr *ia);
*/
/** How many pending connections queue of a listening server will hold. */
#define BACKLOG 10
-extern int para_listen(unsigned l4type, uint16_t port, struct flowopts *fo);
-static inline int para_listen_simple(unsigned l4type, uint16_t port)
-{
- return para_listen(l4type, port, NULL);
-}
+int para_listen(unsigned l4type, const char *addr, uint16_t port);
+int para_listen_simple(unsigned l4type, uint16_t port);
/** Pretty-printing of IPv4/6 socket addresses */
-extern char *local_name(int sockfd);
-extern char *remote_name(int sockfd);
+char *remote_name(int sockfd);
/**
* Determining maximum payload (packet) size
*/
-extern int generic_max_transport_msg_size(int sockfd);
+int generic_max_transport_msg_size(int sockfd);
int recv_bin_buffer(int fd, char *buf, size_t size);
int recv_buffer(int fd, char *buf, size_t size);
-int para_accept(int fd, fd_set *rfds, void *addr, socklen_t size, int *new_fd);
-int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
- mode_t mode);
+int para_accept(int fd, void *addr, socklen_t size, int *new_fd);
+int create_local_socket(const char *name);
int connect_local_socket(const char *name);
int recv_cred_buffer(int, char *, size_t);
ssize_t send_cred_buffer(int, char*);
/**
* Functions and definitions to support \p IPPROTO_DCCP
*/
-/** Estimated worst-case length of a DCCP header including options. */
-#define DCCP_MAX_HEADER 128
/** Hardcoded maximum number of separate CCID modules compiled into a host. */
#define DCCP_MAX_HOST_CCIDS 20
-extern int dccp_available_ccids(uint8_t **ccid_array);
+int dccp_available_ccids(uint8_t **ccid_array);
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