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diff -up shadow-4.1.5.1/lib/commonio.c.backup-mode shadow-4.1.5.1/lib/commonio.c
--- shadow-4.1.5.1/lib/commonio.c.backup-mode 2012-05-18 21:44:54.000000000 +0200
+++ shadow-4.1.5.1/lib/commonio.c 2012-09-19 20:27:16.089444234 +0200
@@ -301,15 +301,12 @@ static int create_backup (const char *ba
struct utimbuf ub;
FILE *bkfp;
int c;
- mode_t mask;
if (fstat (fileno (fp), &sb) != 0) {
return -1;
}
- mask = umask (077);
- bkfp = fopen (backup, "w");
- (void) umask (mask);
+ bkfp = fopen_set_perms (backup, "w", &sb);
if (NULL == bkfp) {
return -1;
}