masqmail

annotate src/libident/id_query.c @ 156:ee2afbf92428

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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
rev   line source
meillo@0 1 /*
meillo@0 2 ** id_query.c Transmit a query to an IDENT server
meillo@0 3 **
meillo@0 4 ** Author: Peter Eriksson <pen@lysator.liu.se>
meillo@0 5 */
meillo@0 6
meillo@0 7 #ifdef NeXT3
meillo@0 8 # include <libc.h>
meillo@0 9 #endif
meillo@0 10
meillo@0 11 #include <stdio.h>
meillo@0 12 #include <errno.h>
meillo@0 13 #include <signal.h>
meillo@0 14
meillo@0 15 #ifdef HAVE_ANSIHEADERS
meillo@0 16 # include <stdlib.h>
meillo@0 17 # include <string.h>
meillo@0 18 # include <unistd.h>
meillo@0 19 #endif
meillo@0 20
meillo@0 21 #include <sys/types.h>
meillo@0 22 #include <sys/wait.h>
meillo@0 23 #include <sys/time.h>
meillo@0 24
meillo@0 25 #ifdef _AIX
meillo@0 26 # include <sys/select.h>
meillo@0 27 #endif
meillo@0 28
meillo@0 29 #ifdef _AIX
meillo@0 30 # include <sys/select.h>
meillo@0 31 #endif
meillo@0 32 #ifdef VMS
meillo@10 33 # include <sys/socket.h> /* for fd_set */
meillo@0 34 #endif
meillo@0 35 #define IN_LIBIDENT_SRC
meillo@0 36 #include "ident.h"
meillo@0 37
meillo@0 38
meillo@0 39 /*
meillo@10 40 int
meillo@10 41 id_query __P4(ident_t *, id, int, lport, int, fport, struct timeval *, timeout)
meillo@0 42 */
meillo@0 43
meillo@10 44 int
meillo@10 45 id_query __P((ident_t * id, int lport, int fport, __STRUCT_TIMEVAL_P timeout))
meillo@0 46 {
meillo@0 47 #ifdef SIGRETURNTYPE
meillo@10 48 SIGRETURNTYPE(*old_sig) ();
meillo@0 49 #else
meillo@10 50 void (*old_sig) __P((int));
meillo@0 51 #endif
meillo@10 52 int res;
meillo@10 53 char buf[80];
meillo@10 54 fd_set ws;
meillo@10 55
meillo@10 56 sprintf(buf, "%d , %d\r\n", lport, fport);
meillo@10 57
meillo@10 58 if (timeout) {
meillo@10 59 FD_ZERO(&ws);
meillo@10 60 FD_SET(id->fd, &ws);
meillo@0 61
meillo@0 62 #ifdef __hpux
meillo@10 63 if ((res = select(FD_SETSIZE, (int *) 0, (int *) &ws, (int *) 0, timeout)) < 0)
meillo@0 64 #else
meillo@10 65 if ((res = select(FD_SETSIZE, (fd_set *) 0, &ws, (fd_set *) 0, timeout)) < 0)
meillo@0 66 #endif
meillo@10 67 return -1;
meillo@10 68
meillo@10 69 if (res == 0) {
meillo@10 70 errno = ETIMEDOUT;
meillo@10 71 return -1;
meillo@10 72 }
meillo@0 73 }
meillo@0 74
meillo@10 75 old_sig = signal(SIGPIPE, SIG_IGN);
meillo@10 76
meillo@10 77 res = write(id->fd, buf, strlen(buf));
meillo@10 78
meillo@10 79 signal(SIGPIPE, old_sig);
meillo@10 80
meillo@10 81 return res;
meillo@0 82 }