1 files changed, 145 insertions, 0 deletions
diff --git a/lib/util/util_net.h b/lib/util/util_net.h
new file mode 100644
index 0000000..1aed45a
--- /dev/null
+++ b/lib/util/util_net.h
@@ -0,0 +1,145 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Utility functions for Samba
+   Copyright (C) Andrew Tridgell 1992-1999
+   Copyright (C) Jelmer Vernooij 2005
+    
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SAMBA_UTIL_NET_H_
+#define _SAMBA_UTIL_NET_H_
+
+#include "system/network.h"
+
+struct samba_sockaddr {
+	socklen_t sa_socklen;
+	union {
+		struct sockaddr sa;
+		struct sockaddr_in in;
+#ifdef HAVE_IPV6
+		struct sockaddr_in6 in6;
+#endif
+		struct sockaddr_un un;
+		struct sockaddr_storage ss;
+	} u;
+};
+
+/* The following definitions come from lib/util/util_net.c  */
+
+void zero_sockaddr(struct sockaddr_storage *pss);
+
+bool interpret_string_addr_internal(struct addrinfo **ppres,
+				    const char *str, int flags);
+
+bool interpret_string_addr(struct sockaddr_storage *pss,
+			   const char *str,
+			   int flags);
+
+/*******************************************************************
+ Map a text hostname or IP address (IPv4 or IPv6) into a
+ struct sockaddr_storage. Version that prefers IPv4.
+******************************************************************/
+
+bool interpret_string_addr_prefer_ipv4(struct sockaddr_storage *pss,
+				       const char *str,
+				       int flags);
+
+void set_sockaddr_port(struct sockaddr *psa, uint16_t port);
+
+/**
+ Check if an IP is the 0.0.0.0.
+**/
+_PUBLIC_ bool is_zero_ip_v4(struct in_addr ip);
+
+void in_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
+				 struct in_addr ip);
+#if defined(HAVE_IPV6)
+/**
+ * Convert an IPv6 struct in_addr to a struct sockaddr_storage.
+ */
+void in6_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
+				  struct in6_addr ip);
+#endif
+/**
+ Are two IPs on the same subnet?
+**/
+_PUBLIC_ bool same_net_v4(struct in_addr ip1,struct in_addr ip2,struct in_addr mask);
+
+/**
+ Return true if a string could be a pure IP address.
+**/
+_PUBLIC_ bool is_ipaddress(const char *str);
+
+bool is_broadcast_addr(const struct sockaddr *pss);
+bool is_loopback_ip_v4(struct in_addr ip);
+bool is_loopback_addr(const struct sockaddr *pss);
+bool is_zero_addr(const struct sockaddr_storage *pss);
+void zero_ip_v4(struct in_addr *ip);
+bool is_linklocal_addr(const struct sockaddr_storage *pss);
+/**
+ Interpret an internet address or name into an IP address in 4 byte form.
+**/
+_PUBLIC_ uint32_t interpret_addr(const char *str);
+
+/**
+ A convenient addition to interpret_addr().
+**/
+_PUBLIC_ struct in_addr interpret_addr2(const char *str);
+
+_PUBLIC_ bool is_ipaddress_v4(const char *str);
+_PUBLIC_ bool is_ipv6_literal(const char *str);
+_PUBLIC_ bool is_ipaddress_v6(const char *str);
+
+bool is_address_any(const struct sockaddr *psa);
+bool same_net(const struct sockaddr *ip1,
+	      const struct sockaddr *ip2,
+	      const struct sockaddr *mask);
+bool sockaddr_equal(const struct sockaddr *ip1,
+		    const struct sockaddr *ip2);
+
+bool is_address_any(const struct sockaddr *psa);
+uint16_t get_sockaddr_port(const struct sockaddr_storage *pss);
+char *print_sockaddr_len(char *dest,
+			 size_t destlen,
+			 const struct sockaddr *psa,
+			 socklen_t psalen);
+char *print_sockaddr(char *dest,
+			size_t destlen,
+			const struct sockaddr_storage *psa);
+char *print_canonical_sockaddr(TALLOC_CTX *ctx,
+			const struct sockaddr_storage *pss);
+
+void set_socket_options(int fd, const char *options);
+
+bool sockaddr_storage_to_samba_sockaddr(
+	struct samba_sockaddr *sa, const struct sockaddr_storage *ss);
+bool samba_sockaddr_set_port(struct samba_sockaddr *sa, uint16_t port);
+bool samba_sockaddr_get_port(const struct samba_sockaddr *sa, uint16_t *port);
+
+/*
+ * check for POLLERR or POLL*HUP
+ */
+int samba_socket_poll_error(int fd);
+/*
+ * getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len)
+ */
+int samba_socket_sock_error(int fd);
+/*
+ * check for POLL*HUP and fallback to
+ * getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len)
+ */
+int samba_socket_poll_or_sock_error(int fd);
+
+#endif /* _SAMBA_UTIL_NET_H_ */