masqmail

view src/libident/id_query.c @ 216:84bf7a6b6ccd

find changesets by author, revision, files, or words in the commit message
added misc/list-versions This script helps to check if the versions numbers in the project are the same as the one for the release. This script is motivated by the 0.2.27 release in which masqmail introduces itself as being version 0.2.26.
author meillo@marmaro.de
date Mon, 19 Jul 2010 14:01:13 +0200
parents 08114f7dcc23
children
line source
1 /*
2 ** id_query.c Transmit a query to an IDENT server
3 **
4 ** Author: Peter Eriksson <pen@lysator.liu.se>
5 */
6
7 #ifdef NeXT3
8 # include <libc.h>
9 #endif
10
11 #include <stdio.h>
12 #include <errno.h>
13 #include <signal.h>
14
15 #ifdef HAVE_ANSIHEADERS
16 # include <stdlib.h>
17 # include <string.h>
18 # include <unistd.h>
19 #endif
20
21 #include <sys/types.h>
22 #include <sys/wait.h>
23 #include <sys/time.h>
24
25 #ifdef _AIX
26 # include <sys/select.h>
27 #endif
28
29 #ifdef _AIX
30 # include <sys/select.h>
31 #endif
32 #ifdef VMS
33 # include <sys/socket.h> /* for fd_set */
34 #endif
35 #define IN_LIBIDENT_SRC
36 #include "ident.h"
37
38
39 /*
40 int
41 id_query __P4(ident_t *, id, int, lport, int, fport, struct timeval *, timeout)
42 */
43
44 int
45 id_query __P((ident_t * id, int lport, int fport, __STRUCT_TIMEVAL_P timeout))
46 {
47 #ifdef SIGRETURNTYPE
48 SIGRETURNTYPE(*old_sig) ();
49 #else
50 void (*old_sig) __P((int));
51 #endif
52 int res;
53 char buf[80];
54 fd_set ws;
55
56 sprintf(buf, "%d , %d\r\n", lport, fport);
57
58 if (timeout) {
59 FD_ZERO(&ws);
60 FD_SET(id->fd, &ws);
61
62 #ifdef __hpux
63 if ((res = select(FD_SETSIZE, (int *) 0, (int *) &ws, (int *) 0, timeout)) < 0)
64 #else
65 if ((res = select(FD_SETSIZE, (fd_set *) 0, &ws, (fd_set *) 0, timeout)) < 0)
66 #endif
67 return -1;
68
69 if (res == 0) {
70 errno = ETIMEDOUT;
71 return -1;
72 }
73 }
74
75 old_sig = signal(SIGPIPE, SIG_IGN);
76
77 res = write(id->fd, buf, strlen(buf));
78
79 signal(SIGPIPE, old_sig);
80
81 return res;
82 }