03_resolve-port-names.diff

[paraslash.git] / net.h

diff --git a/net.h b/net.h
index c2f32c78edfd4613ab2bf42ee3b5094aaa523c02..1f2ebc6b011aec8b0b888fc71c2a92ae9804b1fb 100644 (file)
--- a/net.h
+++ b/net.h
@@ -1,20 +1,9 @@
 /*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
  *
- *     This program is free software; you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation; either version 2 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program; if not, write to the Free Software
- *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
  */
+#include <stdbool.h>
 
 /** \file net.h exported symbols from net.c */
 
@@ -28,20 +17,81 @@
 #define UNIX_PATH_MAX 108
 #endif
 
-struct hostent *get_host_info(char *);
-int get_socket(void);
-void init_sockaddr(struct sockaddr_in*, int, const struct hostent*);
-int para_connect(int, struct sockaddr_in *);
-int send_buffer(int, const char *);
+/** \cond Userland defines for Linux DCCP support. */
+#ifndef IPPROTO_DCCP
+#define IPPROTO_DCCP   33      /**< IANA assigned value */
+#define SOCK_DCCP      6       /**< Linux socket type   */
+#define SOL_DCCP        269    /**< Linux socket level  */
+#endif
+/** \endcond */
+
+
+/**
+ * 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;
+}
+
+/**
+ * Generic socket creation (passive and active sockets).
+ */
+extern int makesock(unsigned l3type, unsigned l4type, int passive,
+                   const char *host, unsigned short port_number);
+extern struct in_addr extract_v4_addr(const struct sockaddr_storage *ss);
+
+/**
+ * Functions to support listening sockets.
+ */
+/** How many pending connections queue of a listening server will hold. */
+#define BACKLOG        10
+extern int para_listen(unsigned l3type, unsigned l4type, unsigned short port);
+
+/** Pretty-printing of IPv4/6 socket addresses */
+extern char *local_name(int sockfd);
+extern char *remote_name(int sockfd);
+
 int send_bin_buffer(int, const char *, size_t);
-int send_va_buffer(int, char *, ...);
-int recv_buffer(int, char *, ssize_t);
-int recv_bin_buffer(int, char *, ssize_t);
+int send_buffer(int, const char *);
+__printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
+
+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, void *addr, socklen_t size);
-int create_pf_socket(const char *, struct sockaddr_un *, int mod);
-int init_unix_addr(struct sockaddr_un *, const char *);
-int recv_cred_buffer(int, char *, size_t, struct ucred *);
+int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
+       mode_t mode);
+int create_remote_socket(const char *name);
+int recv_cred_buffer(int, char *, size_t);
 ssize_t send_cred_buffer(int, char*);
 int recv_pattern(int fd, const char *pattern, size_t bufsize);
-int init_tcp_socket(int port);
-