X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fpasswd%2Fgetspnam_r.c;h=d21ca810eb68c481c37b9b98f134d02cf70a41a5;hb=2afed79f15a32e9616a27f9d327cef0cefbbaab1;hp=1dd39ce01d973e5f8268cf6775fab909ce12fb49;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/passwd/getspnam_r.c b/src/passwd/getspnam_r.c
index 1dd39ce0..d21ca810 100644
--- a/src/passwd/getspnam_r.c
+++ b/src/passwd/getspnam_r.c
@@ -1,5 +1,6 @@
 #include <fcntl.h>
 #include <unistd.h>
+#include <sys/stat.h>
 #include "pwf.h"
 
 /* This implementation support Openwall-style TCB passwords in place of
@@ -34,8 +35,9 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct
 
 	fd = open(path, O_RDONLY|O_NOFOLLOW|O_NONBLOCK);
 	if (fd >= 0) {
-		f = fdopen(fd, "rb");
-		if (!f) {
+		struct stat st = { 0 };
+		errno = EINVAL;
+		if (fstat(fd, &st) || !S_ISREG(st.st_mode) || !(f = fdopen(fd, "rb"))) {
 			close(fd);
 			return errno;
 		}