masqmail
view src/libident/id_query.c @ 156:ee2afbf92428
require host_name to be set in config file
exit otherwise
there is no portable way to determine the hostname
(actually the hostname that masqmail should use)
thus it must be set by the administrator
| author | meillo@marmaro.de |
|---|---|
| date | Thu, 08 Jul 2010 09:49:05 +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 */
7 #ifdef NeXT3
8 # include <libc.h>
9 #endif
11 #include <stdio.h>
12 #include <errno.h>
13 #include <signal.h>
15 #ifdef HAVE_ANSIHEADERS
16 # include <stdlib.h>
17 # include <string.h>
18 # include <unistd.h>
19 #endif
21 #include <sys/types.h>
22 #include <sys/wait.h>
23 #include <sys/time.h>
25 #ifdef _AIX
26 # include <sys/select.h>
27 #endif
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"
39 /*
40 int
41 id_query __P4(ident_t *, id, int, lport, int, fport, struct timeval *, timeout)
42 */
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;
56 sprintf(buf, "%d , %d\r\n", lport, fport);
58 if (timeout) {
59 FD_ZERO(&ws);
60 FD_SET(id->fd, &ws);
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;
69 if (res == 0) {
70 errno = ETIMEDOUT;
71 return -1;
72 }
73 }
75 old_sig = signal(SIGPIPE, SIG_IGN);
77 res = write(id->fd, buf, strlen(buf));
79 signal(SIGPIPE, old_sig);
81 return res;
82 }