/*
- * 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 */
#endif
/** \endcond */
+
+/**
+ * Functions to parse and validate (parts of) URLs.
+ */
+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.
extern int para_listen(unsigned l3type, unsigned l4type, unsigned short port);
/** Pretty-printing of IPv4/6 socket addresses */
-extern char *host_and_port(struct sockaddr *sa, socklen_t len);
extern char *local_name(int sockfd);
extern char *remote_name(int sockfd);