Avoid unnecessary regeneration of dependencies.

[paraslash.git] / net.h

diff --git a/net.h b/net.h
index c1cbe4823395b04affc6820c7e9de6e886d0fe93..15412586583ae9398090f98a8bfee83b59a09d59 100644 (file)
--- a/net.h
+++ b/net.h
@@ -1,8 +1,9 @@
 /*
- * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
+#include <stdbool.h>
 
 /** \file net.h exported symbols from net.c */
 
@@ -16,29 +17,80 @@
 #define UNIX_PATH_MAX 108
 #endif
 
-/** used to crypt the communication between para_server and para_client */
-typedef void crypt_function(unsigned long len,
-       const unsigned char *indata, unsigned char *outdata, void *private_data);
+/** \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);
+/**
+ * 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);
 
-#include <netdb.h> /* hostent */
-int get_host_info(char *host, struct hostent **ret);
-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 *);
 int send_bin_buffer(int, const char *, size_t);
+int send_buffer(int, const char *);
 __printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
-int recv_buffer(int fd, char *buf, size_t size);
+
 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 *name, struct sockaddr_un *unix_addr,
+int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
        mode_t mode);
-int init_unix_addr(struct sockaddr_un *, const char *);
+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);
-void enable_crypt(int fd, crypt_function *recv_f, crypt_function *send_f,
-       void *private_data);
-void disable_crypt(int fd);
-