emo/sysklogd
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* Contains more patches from Topi Miettinen.

Browse Source 
* Fixed two mistakes from the most recent version
  * Fixed fd leak problem.  Thanks to Topi for detecting it
  * Ouch!  Looks like the released package again is broken.  It worked
    locally.
This commit is contained in:
Joey Schulze 1998-10-18 18:43:18 +00:00
parent 2b70a699f1
commit 7d36dc9402
1 changed files with 23 additions and 12 deletions
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35
syslogd.c
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@ -780,6 +780,7 @@ int main(argc, argv)
char line[MAXLINE +1];
extern int optind;
extern char *optarg;
int maxfds;
#ifndef TESTING
chdir ("/");
@ -986,26 +987,26 @@ int main(argc, argv)
for (;;) {
int nfds;
errno = 0;
#ifdef SYSLOG_UNIXAF
FD_ZERO(&readfds);
maxfds = 0;
#ifdef SYSLOG_UNIXAF
#ifndef TESTING
/*
* Add the Unix Domain Sockets to the list of read
* descriptors.
*/
len = 0;
/* Copy master connections */
for (i = 0; i < nfunix; i++) {
if (funix[i] != -1) {
FD_SET(funix[i], &readfds);
if (i>len) len=i;
if (funix[i]>maxfds) maxfds=funix[i];
}
}
/* Copy accepted connections */
for (nfds= 0; nfds < FD_SETSIZE; ++nfds)
if (FD_ISSET(nfds, &unixm)) {
FD_SET(nfds, &readfds);
if (i>nfds) len=nfds;
if (nfds>maxfds) maxfds=nfds;
}
#endif
#endif
@ -1017,24 +1018,27 @@ int main(argc, argv)
*/
if ( InetInuse && AcceptRemote ) {
FD_SET(inetm, &readfds);
if (inetm>maxfds) maxfds=inetm;
dprintf("Listening on syslog UDP port.\n");
}
#endif
#endif
#ifdef TESTING
FD_SET(fileno(stdin), &readfds);
if (fileno(stdin) > maxfds) maxfds = fileno(stdin);
dprintf("Listening on stdin. Press Ctrl-C to interrupt.\n");
#endif
if ( debugging_on )
{
dprintf("Calling select, active file descriptors: ");
for (nfds= 0; nfds < FD_SETSIZE; ++nfds)
dprintf("Calling select, active file descriptors (max %d): ", maxfds);
for (nfds= 0; nfds <= maxfds; ++nfds)
if ( FD_ISSET(nfds, &readfds) )
dprintf("%d ", nfds);
dprintf("\n");
}
nfds = select(len, (fd_set *) &readfds, (fd_set *) NULL,
nfds = select(maxfds+1, (fd_set *) &readfds, (fd_set *) NULL,
(fd_set *) NULL, (struct timeval *) NULL);
if ( restart )
{
@ -1058,7 +1062,7 @@ int main(argc, argv)
{
dprintf("\nSuccessful select, descriptor count = %d, " \
"Activity on: ", nfds);
for (nfds= 0; nfds < FD_SETSIZE; ++nfds)
for (nfds= 0; nfds <= maxfds; ++nfds)
if ( FD_ISSET(nfds, &readfds) )
dprintf("%d ", nfds);
dprintf(("\n"));
@ -1069,12 +1073,12 @@ int main(argc, argv)
if ( debugging_on )
{
dprintf("Checking UNIX connections, active: ");
for (nfds= 0; nfds < FD_SETSIZE; ++nfds)
for (nfds= 0; nfds < maxfds; ++nfds)
if ( FD_ISSET(nfds, &unixm) )
dprintf("%d ", nfds);
dprintf("\n");
}
for (fd= 0; fd < FD_SETSIZE; ++fd)
for (fd= 0; fd <= maxfds; ++fd)
if ( FD_ISSET(fd, &readfds) && FD_ISSET(fd, &unixm) ) {
dprintf("Message from UNIX socket #%d.\n", fd);
memset(line, '\0', sizeof(line));
@ -1095,9 +1099,13 @@ int main(argc, argv)
strlen(parts[fd]) + 1, \
fd);
}
/* reset it */
for (i = 1; i < nfunix; i++) {
if (funix[i] == fd)
funix[i] = -1;
}
close(fd);
FD_CLR(fd, &unixm);
FD_CLR(fd, &readfds);
}
}
/* Accept a new unix connection */
@ -2312,9 +2320,12 @@ void init()
(void) fclose(cf);
#ifdef SYSLOG_UNIXAF
for (i = 0; i < nfunix; i++)
for (i = 0; i < nfunix; i++) {
if (funix[i] != -1)
close(funix[i]);
if ((funix[i] = create_unix_socket(funixn[i])) != -1)
dprintf("Opened UNIX socket `%s'.\n", funixn[i]);
}
#endif
#ifdef SYSLOG_INET