Author: avos
Date: Mon Feb 18 03:15:25 2019
New Revision: 344244
URL: https://svnweb.freebsd.org/changeset/base/344244
Log:
Fix memory / resource leaks in usr.sbin/rpc.ypupdated/update.c
Re-apply r343909 to this file to get the issue fixed.
PR: 204956
Reported by: David Binderman <dcb...@hotmail.com>
MFC after: 5 days
Modified:
head/usr.sbin/rpc.ypupdated/update.c
Modified: head/usr.sbin/rpc.ypupdated/update.c
==============================================================================
--- head/usr.sbin/rpc.ypupdated/update.c Mon Feb 18 02:59:47 2019
(r344243)
+++ head/usr.sbin/rpc.ypupdated/update.c Mon Feb 18 03:15:25 2019
(r344244)
@@ -263,11 +263,14 @@ localupdate(char *name, char *filename, u_int op, u_in
sprintf(tmpname, "%s.tmp", filename);
rf = fopen(filename, "r");
if (rf == NULL) {
- return (ERR_READ);
+ err = ERR_READ;
+ goto cleanup;
}
wf = fopen(tmpname, "w");
if (wf == NULL) {
- return (ERR_WRITE);
+ fclose(rf);
+ err = ERR_WRITE;
+ goto cleanup;
}
err = -1;
while (fgets(line, sizeof (line), rf)) {
@@ -307,13 +310,17 @@ localupdate(char *name, char *filename, u_int op, u_in
fclose(rf);
if (err == 0) {
if (rename(tmpname, filename) < 0) {
- return (ERR_DBASE);
+ err = ERR_DBASE;
+ goto cleanup;
}
} else {
if (unlink(tmpname) < 0) {
- return (ERR_DBASE);
+ err = ERR_DBASE;
+ goto cleanup;
}
}
+cleanup:
+ free(tmpname);
return (err);
}
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