lib/util/util_net.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Utility functions for Samba
   4    Copyright (C) Andrew Tridgell 1992-1999
   5    Copyright (C) Jelmer Vernooij 2005
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef _SAMBA_UTIL_NET_H_
  22 #define _SAMBA_UTIL_NET_H_
  23
  24 #include "system/network.h"
  25
  26 /* The following definitions come from lib/util/util_net.c  */
  27
  28 void zero_sockaddr(struct sockaddr_storage *pss);
  29
  30 bool interpret_string_addr_internal(struct addrinfo **ppres,
  31                                     const char *str, int flags);
  32
  33 bool interpret_string_addr(struct sockaddr_storage *pss,
  34                            const char *str,
  35                            int flags);
  36
  37 /*******************************************************************
  38  Map a text hostname or IP address (IPv4 or IPv6) into a
  39  struct sockaddr_storage. Version that prefers IPv4.
  40 ******************************************************************/
  41
  42 bool interpret_string_addr_prefer_ipv4(struct sockaddr_storage *pss,
  43                                        const char *str,
  44                                        int flags);
  45
  46 void set_sockaddr_port(struct sockaddr *psa, uint16_t port);
  47
  48 /**
  49  Check if an IP is the 0.0.0.0.
  50 **/
  51 _PUBLIC_ bool is_zero_ip_v4(struct in_addr ip);
  52
  53 /**
  54  Are two IPs on the same subnet?
  55 **/
  56 _PUBLIC_ bool same_net_v4(struct in_addr ip1,struct in_addr ip2,struct in_addr mask);
  57
  58 /**
  59  Return true if a string could be a pure IP address.
  60 **/
  61 _PUBLIC_ bool is_ipaddress(const char *str);
  62
  63 /**
  64  Interpret an internet address or name into an IP address in 4 byte form.
  65 **/
  66 _PUBLIC_ uint32_t interpret_addr(const char *str);
  67
  68 /**
  69  A convenient addition to interpret_addr().
  70 **/
  71 _PUBLIC_ struct in_addr interpret_addr2(const char *str);
  72
  73 _PUBLIC_ bool is_ipaddress_v4(const char *str);
  74
  75
  76 #endif /* _SAMBA_UTIL_NET_H_ */