1 /*
2  * Copyright (c) 1999 - 2003
3  * NetGroup, Politecnico di Torino (Italy)
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the Politecnico di Torino nor the names of its
16  * contributors may be used to endorse or promote products derived from
17  * this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  */
32 
33 #include <sys/types.h>
34 #include <string.h>
35 #include <stdlib.h>
36 #include <ctype.h>
37 #include <net/netdb.h>
38 #include <stdio.h>
39 #include <errno.h>
40 #include <arpa/nameser.h>
41 
42 extern void _sethtent(int f);
43 extern void _endhtent(void);
44 extern struct hostent *_gethtent(void);
45 extern struct hostent *_gethtbyname(const char *name);
46 extern struct hostent *_gethtbyaddr(const char *addr, int len,
47 		 int type);
48 extern int _validuser(FILE *hostf, const char *rhost,
49 		 const char *luser, const char *ruser, int baselen);
50 extern int _checkhost(const char *rhost, const char *lhost, int len);
51 #if 0
52 extern void putlong(u_long l, u_char *msgp);
53 extern void putshort(u_short l, u_char *msgp);
54 extern u_int32_t _getlong(register const u_char *msgp);
55 extern u_int16_t _getshort(register const u_char *msgp);
56 extern void p_query(char *msg);
57 extern void fp_query(char *msg, FILE *file);
58 extern char *p_cdname(char *cp, char *msg, FILE *file);
59 extern char *p_rr(char *cp, char *msg, FILE *file);
60 extern char *p_type(int type);
61 extern char * p_class(int class);
62 extern char *p_time(u_long value);
63 #endif
64 extern char * hostalias(const char *name);
65 extern void sethostfile(char *name);
66 extern void _res_close (void);
67 extern void ruserpass(const char *host, char **aname, char **apass);
68