rev |
line source |
yuuji@0
|
1 /* ========================================================================
|
yuuji@0
|
2 * Copyright 1988-2006 University of Washington
|
yuuji@0
|
3 *
|
yuuji@0
|
4 * Licensed under the Apache License, Version 2.0 (the "License");
|
yuuji@0
|
5 * you may not use this file except in compliance with the License.
|
yuuji@0
|
6 * You may obtain a copy of the License at
|
yuuji@0
|
7 *
|
yuuji@0
|
8 * http://www.apache.org/licenses/LICENSE-2.0
|
yuuji@0
|
9 *
|
yuuji@0
|
10 *
|
yuuji@0
|
11 * ========================================================================
|
yuuji@0
|
12 */
|
yuuji@0
|
13
|
yuuji@0
|
14 /*
|
yuuji@0
|
15 * Program: Operating-system dependent routines -- MS-DOS (Novell) version
|
yuuji@0
|
16 *
|
yuuji@0
|
17 * Author: Mark Crispin
|
yuuji@0
|
18 * Networks and Distributed Computing
|
yuuji@0
|
19 * Computing & Communications
|
yuuji@0
|
20 * University of Washington
|
yuuji@0
|
21 * Administration Building, AG-44
|
yuuji@0
|
22 * Seattle, WA 98195
|
yuuji@0
|
23 * Internet: MRC@CAC.Washington.EDU
|
yuuji@0
|
24 *
|
yuuji@0
|
25 * Date: 11 April 1989
|
yuuji@0
|
26 * Last Edited: 30 August 2006
|
yuuji@0
|
27 */
|
yuuji@0
|
28
|
yuuji@0
|
29 /* Private function prototypes */
|
yuuji@0
|
30
|
yuuji@0
|
31 #include "tcp_dos.h" /* must be before osdep includes tcp.h */
|
yuuji@0
|
32 #include "mail.h"
|
yuuji@0
|
33 #include "osdep.h"
|
yuuji@0
|
34 #include <time.h>
|
yuuji@0
|
35 #include <errno.h>
|
yuuji@0
|
36 #include <fcntl.h>
|
yuuji@0
|
37 #include <sys\stat.h>
|
yuuji@0
|
38 #include <sys\timeb.h>
|
yuuji@0
|
39 #include <sys\socket.h>
|
yuuji@0
|
40 #include <netinet\in.h>
|
yuuji@0
|
41 #include <netdb.h>
|
yuuji@0
|
42 #include "misc.h"
|
yuuji@0
|
43
|
yuuji@0
|
44
|
yuuji@0
|
45 #include "fs_dos.c"
|
yuuji@0
|
46 #include "ftl_dos.c"
|
yuuji@0
|
47 #include "nl_dos.c"
|
yuuji@0
|
48 #include "env_dos.c"
|
yuuji@0
|
49 #undef write
|
yuuji@0
|
50 #define read soread
|
yuuji@0
|
51 #define write sowrite
|
yuuji@0
|
52 #define close soclose
|
yuuji@0
|
53 #include "tcp_dos.c"
|
yuuji@0
|
54
|
yuuji@0
|
55
|
yuuji@0
|
56 /* Return my local host name
|
yuuji@0
|
57 * Returns: my local host name
|
yuuji@0
|
58 */
|
yuuji@0
|
59
|
yuuji@0
|
60 char *mylocalhost (void)
|
yuuji@0
|
61 {
|
yuuji@0
|
62 if (!myLocalHost) { /* known yet? */
|
yuuji@0
|
63 char *s,tmp[MAILTMPLEN];
|
yuuji@0
|
64 struct hostent *he;
|
yuuji@0
|
65 struct in_addr in;
|
yuuji@0
|
66 /* could we get local id? */
|
yuuji@0
|
67 if ((in.s_addr = getmyipaddr ()) != -1) {
|
yuuji@0
|
68 if (he = gethostbyaddr ((char *) &in.s_addr,4,PF_INET)) s = he->h_name;
|
yuuji@0
|
69 else sprintf (s = tmp,"[%s]",inet_ntoa (in));
|
yuuji@0
|
70 }
|
yuuji@0
|
71 else s = "random-pc"; /* say what? */
|
yuuji@0
|
72 myLocalHost = cpystr (s); /* record for subsequent use */
|
yuuji@0
|
73 }
|
yuuji@0
|
74 return myLocalHost;
|
yuuji@0
|
75 }
|
yuuji@0
|
76
|
yuuji@0
|
77
|
yuuji@0
|
78 /* Look up host address
|
yuuji@0
|
79 * Accepts: pointer to pointer to host name
|
yuuji@0
|
80 * socket address block
|
yuuji@0
|
81 * Returns: non-zero with host address in socket, official host name in host;
|
yuuji@0
|
82 * else NIL
|
yuuji@0
|
83 */
|
yuuji@0
|
84
|
yuuji@0
|
85 long lookuphost (char **host,struct sockaddr_in *sin)
|
yuuji@0
|
86 {
|
yuuji@0
|
87 char *s = *host; /* in case of error */
|
yuuji@0
|
88 sin->sin_addr.s_addr = rhost (host);
|
yuuji@0
|
89 if (sin->sin_addr.s_addr == -1) {
|
yuuji@0
|
90 *host = s; /* error, restore old host name */
|
yuuji@0
|
91 return NIL;
|
yuuji@0
|
92 }
|
yuuji@0
|
93 *host = cpystr (*host); /* make permanent copy of name */
|
yuuji@0
|
94 return T; /* success */
|
yuuji@0
|
95 }
|