--- ./spread.c.orig 2006-11-20 05:53:13.000000000 +0100
+++ ./spread.c 2012-07-20 21:55:23.000000000 +0200
@@ -48,6 +48,8 @@
#include <pwd.h>
#include <unistd.h>
#include <sys/types.h>
+#include <errno.h>
+#include <stdlib.h>
#endif
#ifdef ARCH_PC_WIN95
@@ -65,6 +67,7 @@
static void Invalid_privilege_decrease(char *user, char *group);
static void Usage(int argc, char *argv[]);
+static void writepidfile();
/* auth-null.c: */
void null_init(void);
@@ -144,6 +147,11 @@
#endif /* ARCH_PC_WIN95 */
+ if (daemon(0,0) == -1)
+ Alarm( EXIT, "Spread: couldn't daemonise: %d", strerror(errno) );
+
+ writepidfile();
+
/* initialize each valid authentication protocol */
null_init();
ip_init();
@@ -195,6 +203,20 @@
return 0;
}
+static void
+writepidfile()
+{
+ char pidbuf[11];
+ int pidfd;
+
+ if ((pidfd = open(_PATH_SPREAD_PIDDIR "/spread.pid", O_RDWR | O_CREAT, 0644)) == -1)
+ Alarm( EXIT, "Spread: couldn't open pidfile for writing" );
+
+ snprintf(pidbuf, sizeof(pidbuf), "%ld\n", (long)getpid());
+ write(pidfd, pidbuf, strlen(pidbuf));
+ close(pidfd);
+}
+
static void Print_help(void)
{
Alarmp( SPLOG_FATAL, SYSTEM, "Usage: spread\n%s\n%s\n%s\n",
