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Diffstat (limited to '')
| -rw-r--r-- | lib/util/util_net.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/lib/util/util_net.h b/lib/util/util_net.h new file mode 100644 index 0000000..c95d909 --- /dev/null +++ b/lib/util/util_net.h @@ -0,0 +1,131 @@ +/* + 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); + +#endif /* _SAMBA_UTIL_NET_H_ */ |