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    1: /*
    2:  * Copyright (c) 1996, 1998-2005, 2007, 2010
    3:  *	Todd C. Miller <Todd.Miller@courtesan.com>
    4:  *
    5:  * Permission to use, copy, modify, and distribute this software for any
    6:  * purpose with or without fee is hereby granted, provided that the above
    7:  * copyright notice and this permission notice appear in all copies.
    8:  *
    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   16:  *
   17:  * Sponsored in part by the Defense Advanced Research Projects
   18:  * Agency (DARPA) and Air Force Research Laboratory, Air Force
   19:  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
   20:  */
   21: 
   22: #ifndef _SUDO_INTERFACES_H
   23: #define _SUDO_INTERFACES_H
   24: 
   25: /*
   26:  * Union to hold either strucr in_addr or in6_add
   27:  */
   28: union sudo_in_addr_un {
   29:     struct in_addr ip4;
   30: #ifdef HAVE_IN6_ADDR
   31:     struct in6_addr ip6;
   32: #endif
   33: };
   34: 
   35: /*
   36:  * IP address and netmask pairs for checking against local interfaces.
   37:  */
   38: struct interface {
   39:     int family;	/* AF_INET or AF_INET6 */
   40:     union sudo_in_addr_un addr;
   41:     union sudo_in_addr_un netmask;
   42:     struct interface *next;
   43: };
   44: 
   45: /*
   46:  * Prototypes for external functions.
   47:  */
   48: int get_net_ifs(char **addrinfo);
   49: void dump_interfaces(const char *);
   50: void set_interfaces(const char *);
   51: 
   52: /*
   53:  * Definitions for external variables.
   54:  */
   55: #ifndef _SUDO_MAIN
   56: extern struct interface *interfaces;
   57: #endif
   58: 
   59: #endif /* _SUDO_INTERFACES_H */