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view src/libident/id_query.c @ 3:8c55886cacd8

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man pages will be maintained in troff now
author meillo@marmaro.de
date Fri, 26 Sep 2008 21:40:10 +0200
parents
children 26e34ae9a3e3
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 id_query __P4(ident_t *, id,
41 int, lport,
42 int, fport,
43 struct timeval *, timeout)
44 */
45
46 int id_query __P(( ident_t *id,
47 int lport,
48 int fport,
49 __STRUCT_TIMEVAL_P timeout))
50 {
51 #ifdef SIGRETURNTYPE
52 SIGRETURNTYPE (*old_sig)();
53 #else
54 void (*old_sig) __P((int));
55 #endif
56 int res;
57 char buf[80];
58 fd_set ws;
59
60 sprintf(buf, "%d , %d\r\n", lport, fport);
61
62 if (timeout)
63 {
64 FD_ZERO(&ws);
65 FD_SET(id->fd, &ws);
66
67 #ifdef __hpux
68 if ((res = select(FD_SETSIZE, (int *)0, (int *)&ws, (int *)0, timeout)) < 0)
69 #else
70 if ((res = select(FD_SETSIZE, (fd_set *)0, &ws, (fd_set *)0, timeout)) < 0)
71 #endif
72 return -1;
73
74 if (res == 0)
75 {
76 errno = ETIMEDOUT;
77 return -1;
78 }
79 }
80
81 old_sig = signal(SIGPIPE, SIG_IGN);
82
83 res = write(id->fd, buf, strlen(buf));
84
85 signal(SIGPIPE, old_sig);
86
87 return res;
88 }