1 files changed, 63 insertions, 0 deletions
diff --git a/pidfile.patch b/pidfile.patch
new file mode 100644
index 000000000000..596fa9b67870
--- /dev/null
+++ b/pidfile.patch
@@ -0,0 +1,63 @@
+diff --git a/src/os.c b/src/os.c
+index 66c3ada..246c10f 100644
+--- a/src/os.c
++++ b/src/os.c
+@@ -33,7 +33,6 @@
+ #include "debug.h"
+ #include "ddns.h"
+ #include "cache.h"
+-#include "libite/lite.h"
+ 
+ #define MAXSTRING 1024
+ 
+@@ -421,6 +420,39 @@ static int mkparentdir(char *file)
+ 	return rc;
+ }
+ 
++static void pidexit(void)
++{
++	if (pidfile_path) {
++		unlink(pidfile_path);
++		free(pidfile_path);
++		pidfile_path = NULL;
++	}
++}
++
++/* Continue using old pidfile fn for Inadyn 1.x series,
++ * incompatible semantics with OpenBSD version. */
++static int old_pidfile(char *file)
++{
++	FILE *fp;
++
++	/* Ignore any errors, we may not be allowed to create the dir,
++	 * but still be able to create/overwrite the pidfile. */
++	mkparentdir(file);
++
++	fp = fopen(file, "w");
++	if (!fp) {
++		logit(LOG_ERR, "Failed creating pidfile %s: %s", file, strerror(errno));
++		return RC_FILE_IO_ACCESS_ERROR;
++	}
++
++	fprintf(fp, "%u\n", getpid());
++	fclose(fp);
++
++	atexit(pidexit);
++
++	return 0;
++}
++
+ /* Create pid and cache file repository, make sure we can write to it.  If
+  * we are restarted we cannot otherwise make sure we've not already updated
+  * the IP -- and the user will be locked-out of their DDNS server provider
+@@ -440,8 +472,8 @@ int os_check_perms(void *UNUSED(arg))
+ 		return RC_FILE_IO_ACCESS_ERROR;
+ 	}
+ 
+-	/* Not creating a pidfile is OK, the cache file is the critical point. */
+-	pidfile(pidfile_path);
++	if (old_pidfile(pidfile_path))
++		logit(LOG_WARNING, "Failed creating pidfile %s: %m", pidfile_path);
+ 
+ 	return 0;
+ }