int tcp_open( int port )
{
int i, fd, err;
struct sockaddr_in sinaddr;
sinaddr.sin_family = AF_INET;
sinaddr.sin_addr.s_addr = INADDR_ANY;
sinaddr.sin_port = htons( port );
fd = socket( AF_INET, SOCK_STREAM, 0 );
#ifdef WINDOW_1
int windowsize=1024;
setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (char *)&windowsize, sizeof(windowsize));
//aaaaaa=fopen("/tmp/qqqqq", "a");
//fprintf(aaaaaa, " monitor: tcp_send\n");
//fclose(aaaaaa);
#endif
Max_open(fd);
err = errno;
if( fd < 0 ){
FPRINTF(STDERR,"tcp_open: socket call failed - %s\n", Errormsg(err) );
return( -1 );
}
i = Link_setreuse( fd );
if( i >= 0 ) i = bind( fd, (struct sockaddr *) & sinaddr, sizeof (sinaddr) );
if( i >= 0 ) i = listen( fd, 10 );
err = errno;
if( i < 0 ){
FPRINTF(STDERR,"tcp_open: connect to '%s port %d' failed - %s\n",
inet_ntoa( sinaddr.sin_addr ), ntohs( sinaddr.sin_port ),
Errormsg(errno) );
close(fd);
fd = -1;
}
if( fd == 0 ){
fd = dup(fd);
if( fd < 0 ){
FPRINTF(STDERR,"tcp_open: dup failed - %s\n",
Errormsg(errno) );
close(fd);
fd = -1;
}
}
return( fd );
}
static void use_syslog(int kind, char *msg)
{
/* testing mode indicates that this is not being used
* in the "real world", so don't get noisy. */
/* we get rid of first set of problems - stupid characters */
char buffer[SMALLBUFFER];
plp_snprintf(buffer,sizeof(buffer)-1, "%s",msg);
msg = buffer;
#ifndef HAVE_SYSLOG_H
/* Note: some people would open "/dev/console", as default
Bad programmer, BAD! You should parameterize this
and set it up as a default value. This greatly aids
in testing for portability.
Patrick Powell Tue Apr 11 08:07:47 PDT 1995
*/
int Syslog_fd;
if (Syslog_fd = open( Syslog_device_DYN,
O_WRONLY|O_APPEND|O_NOCTTY, Spool_file_perms_DYN )) > 0 ) ){
int len;
Max_open( Syslog_fd);
len = safestrlen(msg);
msg[len] = '\n';
msg[len+1] = 0;
Write_fd_len( Syslog_fd, msg, len+1 );
close( Syslog_fd );
msg[len] = 0;
}
#else /* HAVE_SYSLOG_H */
# ifdef HAVE_OPENLOG
/* use the openlog facility */
openlog(Name, LOG_PID | LOG_NOWAIT, SYSLOG_FACILITY );
syslog(kind, "%s", msg);
closelog();
# else
(void) syslog(SYSLOG_FACILITY | kind, "%s", msg);
# endif /* HAVE_OPENLOG */
#endif /* HAVE_SYSLOG_H */
}
int udp_open( int port )
{
int i, fd, err;
struct sockaddr_in sinaddr;
sinaddr.sin_family = AF_INET;
sinaddr.sin_addr.s_addr = INADDR_ANY;
sinaddr.sin_port = htons( port );
fd = socket( AF_INET, SOCK_DGRAM, 0 );
Max_open(fd);
err = errno;
if( fd < 0 ){
FPRINTF(STDERR,"udp_open: socket call failed - %s\n", Errormsg(err) );
return( -1 );
}
i = -1;
i = bind( fd, (struct sockaddr *) & sinaddr, sizeof (sinaddr) );
err = errno;
if( i < 0 ){
FPRINTF(STDERR,"udp_open: bind to '%s port %d' failed - %s\n",
inet_ntoa( sinaddr.sin_addr ), ntohs( sinaddr.sin_port ),
Errormsg(errno) );
close(fd);
fd = -1;
}
if( fd == 0 ){
fd = dup(fd);
if( fd < 0 ){
FPRINTF(STDERR,"udp_open: dup failed - %s\n",
Errormsg(errno) );
close(fd);
fd = -1;
}
}
return( fd );
}
static pid_t Make_lpd_call( const char *name, WorkerProc *proc, int passfd_count, int *passfd, struct line_list *args, int intern_logger, int intern_status, int intern_mail, int intern_lpd_request, int param_fd )
{
int pid, fd, i, n, newfd;
struct line_list env;
Init_line_list(&env);
pid = dofork(1);
if( pid ){
return(pid);
}
Name = "LPD_CALL";
if(DEBUGL2){
LOGDEBUG("Make_lpd_call: name '%s', lpd path '%s'", name, Lpd_path_DYN );
LOGDEBUG("Make_lpd_call: passfd count %d", passfd_count );
for( i = 0; i < passfd_count; ++i ){
LOGDEBUG(" [%d] %d", i, passfd[i]);
}
Dump_line_list("Make_lpd_call - args", args );
}
for( i = 0; i < passfd_count; ++i ){
fd = passfd[i];
if( fd < i ){
/* we have fd 3 -> 4, but 3 gets wiped out */
do{
newfd = dup(fd);
Max_open(newfd);
if( newfd < 0 ){
Errorcode = JABORT;
logerr_die(LOG_INFO, "Make_lpd_call: dup failed");
}
DEBUG4("Make_lpd_call: fd [%d] = %d, dup2 -> %d",
i, fd, newfd );
passfd[i] = newfd;
} while( newfd < i );
}
}
if(DEBUGL2){
LOGDEBUG("Make_lpd_call: after fixing fd count %d", passfd_count);
for( i = 0 ; i < passfd_count; ++i ){
fd = passfd[i];
LOGDEBUG(" [%d]=%d",i,fd);
}
}
for( i = 0; i < passfd_count; ++i ){
fd = passfd[i];
DEBUG2("Make_lpd_call: fd %d -> %d",fd, i );
if( dup2( fd, i ) == -1 ){
Errorcode = JABORT;
logerr_die(LOG_INFO, "Make_lpd_call: dup2(%d,%d) failed",
fd, i );
}
}
/* close other ones to simulate close_on_exec() */
n = Max_fd+10;
for( i = passfd_count ; i < n; ++i ){
close(i);
}
Do_work( name, args, proc,
intern_logger, intern_status, intern_mail,
intern_lpd_request, param_fd );
/* not reached: */
return(0);
}
