/* 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 . */ #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); #endif /* _SAMBA_UTIL_NET_H_ */