File sysklogd-1.4.1-clearing.patch of Package syslogd

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File sysklogd-1.4.1-clearing.patch of Package syslogd (Revision 9585aba8391e876853bfe9b6b31502fe)

Currently displaying revision 9585aba8391e876853bfe9b6b31502fe , Show latest

!
! Be able to write errors on creating of pid file on
! the current terminal (bug #394787)
!
--- klogd.c
+++ klogd.c	2008-05-28 10:01:46.000000000 +0000
@@ -1098,6 +1098,10 @@ int main(argc, argv)
 				auto int fl;
 				int num_fds = getdtablesize();
 		
+				/* tuck my process id away */
+				if (!write_pid(PidFile))
+					Terminate();
+
 				/* This is the child closing its file descriptors. */
 				for (fl= 0; fl <= num_fds; ++fl)
 				{
@@ -1117,19 +1121,18 @@ int main(argc, argv)
 			fputs("klogd: Already running.\n", stderr);
 			exit(1);
 		}
-	}
-
-
-	/* tuck my process id away */
-	if (!check_pid(PidFile))
-	{
-		if (!write_pid(PidFile))
+	} else {
+		/* tuck my process id away */
+		if (!check_pid(PidFile))
+		{
+			if (!write_pid(PidFile))
+				Terminate();
+		}
+		else
+		{
+			fputs("klogd: Already running.\n", stderr);
 			Terminate();
-	}
-	else
-	{
-		fputs("klogd: Already running.\n", stderr);
-		Terminate();
+		}
 	}
 #endif	
 
--- pidfile.c
+++ pidfile.c	2008-05-29 21:43:35.280028303 +0000
@@ -23,6 +23,7 @@
  * Sat Aug 19 13:24:33 MET DST 1995: Martin Schulze
  *	First version (v0.2) released
  */
+#define USE_FCNTL	1
 
 #include <stdio.h>
 #include <unistd.h>
@@ -31,6 +32,10 @@
 #include <string.h>
 #include <errno.h>
 #include <signal.h>
+#if defined(USE_FCNTL) && (USE_FCNTL != 0)
+# include <unistd.h>
+# include <fcntl.h>
+#endif
 
 /* read_pid
  *
@@ -86,6 +91,9 @@ int write_pid (char *pidfile)
   FILE *f;
   int fd;
   int pid;
+#if defined(USE_FCNTL) && (USE_FCNTL != 0)
+  struct flock lck;
+#endif
 
   if ( ((fd = open(pidfile, O_RDWR|O_CREAT, 0644)) == -1)
        || ((f = fdopen(fd, "r+")) == NULL) ) {
@@ -93,23 +101,46 @@ int write_pid (char *pidfile)
       return 0;
   }
 
+#if defined(USE_FCNTL) && (USE_FCNTL != 0)
+  memset(&lck, 0, sizeof (struct flock));
+  lck.l_type = F_WRLCK;
+  lck.l_whence = SEEK_SET;
+
+  if (fcntl(fd, F_SETLK, &lck) == -1) {
+      fclose(f);
+      memset(&lck, 0, sizeof (struct flock));
+      fcntl(fd, F_GETLK, &lck);
+      fprintf(stderr, "Can't lock, lock is held by pid %d.\n", lck.l_pid);
+      return 0;
+  }
+#else
   if (flock(fd, LOCK_EX|LOCK_NB) == -1) {
       fscanf(f, "%d", &pid);
       fclose(f);
-      printf("Can't lock, lock is held by pid %d.\n", pid);
+      fprintf(stderr, "Can't lock, lock is held by pid %d.\n", pid);
       return 0;
   }
+#endif
 
   pid = getpid();
   if (!fprintf(f,"%d\n", pid)) {
-      printf("Can't write pid , %s.\n", strerror(errno));
+      fprintf(stderr, "Can't write pid , %s.\n", strerror(errno));
       close(fd);
       return 0;
   }
   fflush(f);
 
-  if (flock(fd, LOCK_UN) == -1) {
-      printf("Can't unlock pidfile %s, %s.\n", pidfile, strerror(errno));
+#if defined(USE_FCNTL) && (USE_FCNTL != 0)
+  memset(&lck, 0, sizeof (struct flock));
+  lck.l_type = F_UNLCK;
+  lck.l_whence = SEEK_SET;
+
+  if (fcntl(fd, F_SETLK, &lck) == -1)
+#else
+  if (flock(fd, LOCK_UN) == -1)
+#endif
+  {
+      fprintf(stderr,"Can't unlock pidfile %s, %s.\n", pidfile, strerror(errno));
       close(fd);
       return 0;
   }
--- syslogd.c
+++ syslogd.c	2008-05-28 10:12:25.000000000 +0000
@@ -22,7 +22,7 @@ char copyright2[] =
 #endif /* not lint */
 
 #if !defined(lint) && !defined(NO_SCCS)
-static char sccsid[] = "@(#)syslogd.c	5.27 (Berkeley) 10/10/88";
+static char sccsid[]  __attribute__ ((unused)) = "@(#)syslogd.c	5.27 (Berkeley) 10/10/88";
 #endif /* not lint */
 
 /*
@@ -821,8 +821,10 @@ int main(argc, argv)
 	int len, num_fds;
 #else /* __GLIBC__ */
 #ifndef TESTING
+#ifdef SYSLOG_INET
 	size_t len;
 #endif
+#endif
 	int num_fds;
 #endif /* __GLIBC__ */
 	/*
@@ -841,7 +843,9 @@ int main(argc, argv)
 	fd_set readfds;
 
 #ifndef TESTING
+#ifdef SYSLOG_UNIXAF
 	int	fd;
+#endif
 #ifdef  SYSLOG_INET
 #ifdef INET6
 	struct sockaddr_storage frominet;
@@ -856,7 +860,9 @@ int main(argc, argv)
 	int ch;
 	struct hostent *hent;
 
+#if defined(SYSLOG_UNIXAF) || defined(TESTING)
 	char line[MAXLINE +1];
+#endif
 	extern int optind;
 	extern char *optarg;
 	int maxfds;
@@ -975,10 +981,19 @@ int main(argc, argv)
 			case 0:
 				signal (SIGTERM, SIG_DFL);
 
+				/* tuck my process id away */
+				dprintf("Writing pidfile.\n");
+				if (!write_pid(PidFile))
+				{
+					dprintf("Can't write pid.\n");
+					exit(1);
+				}
+
 				num_fds = getdtablesize();
 				for (i = 0; i < num_fds; i++)
 					(void) close(i);
 				untty();
+				break;
 			}
 		}
 		else
@@ -988,32 +1003,32 @@ int main(argc, argv)
 		}
 	}
 	else
+	{
 #endif
 		debugging_on = 1;
 #ifndef SYSV
-	else
 		setlinebuf(stdout);
 #endif
-
 #ifndef TESTING
-	/* tuck my process id away */
-	if ( !Debug )
-	{
-		dprintf("Writing pidfile.\n");
-		if (!check_pid(PidFile))
+		/* tuck my process id away */
+		if ( !Debug )
 		{
-			if (!write_pid(PidFile))
+			dprintf("Writing pidfile.\n");
+			if (!check_pid(PidFile))
 			{
-				dprintf("Can't write pid.\n");
+				if (!write_pid(PidFile))
+				{
+					dprintf("Can't write pid.\n");
+					exit(1);
+				}
+			}
+			else
+			{
+				dprintf("Pidfile (and pid) already exist.\n");
 				exit(1);
 			}
-		}
-		else
-		{
-			dprintf("Pidfile (and pid) already exist.\n");
-			exit(1);
-		}
-	} /* if ( !Debug ) */
+		} /* if ( !Debug ) */
+	}
 #endif
 
 	consfile.f_type = F_CONSOLE;
@@ -1659,8 +1674,13 @@ void logmsg(pri, msg, from, flags)
 	int flags;
 {
 	register struct filed *f;
-	int fac, prilev, lognum;
+	int fac, prilev;
 	int msglen;
+#ifndef SYSV
+	int omask;
+#else
+	int lognum;
+#endif
 	char *timestamp;
 
 	dprintf("logmsg: %s, flags %x, from %s, msg %s\n", textpri(pri), flags, from, msg);
@@ -2402,11 +2422,9 @@ void init()
 	register int i, lognum;
 	register FILE *cf;
 	register struct filed *f;
-#ifndef TESTING
 #ifndef SYSV
 	register struct filed **nextp = (struct filed **) 0;
 #endif
-#endif
 	register char *p;
 	register unsigned int Forwarding = 0;
 #ifdef CONT_LINE
@@ -2487,7 +2505,7 @@ void init()
 #else
 		*nextp = (struct filed *)calloc(1, sizeof(*f));
 		cfline("*.ERR\t" _PATH_CONSOLE, *nextp);
-		(*nextp)->f_next = (struct filed *)calloc(1, sizeof(*f))	/* ASP */
+		(*nextp)->f_next = (struct filed *)calloc(1, sizeof(*f));	/* ASP */
 		cfline("*.PANIC\t*", (*nextp)->f_next);
 #endif
 		Initialized = 1;

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File sysklogd-1.4.1-clearing.patch of Package syslogd (Revision 9585aba8391e876853bfe9b6b31502fe)

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