X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=elf%2Fsoname.c;h=aa683a53acb3bf726218dc37af3c44e51a396c1a;hb=34b87ea8d597c1858dab26fa32b25b617d5f5f26;hp=99770159b4e3109a0cd0175c7faf87994fb99198;hpb=a7fc9d1dda7e3d2155b78587c4b1393f15a0ffb4;p=zpackage

diff --git a/elf/soname.c b/elf/soname.c
index 9977015..aa683a5 100644
--- a/elf/soname.c
+++ b/elf/soname.c
@@ -22,6 +22,13 @@ int main(int ac, char **av) {
 	char *name, *dynname;
 	Elf64_Dyn *dent;
 
+	if (lstat(av[1], &sbuf) == -1) {
+		exit(1);
+	}
+	if (!S_ISREG(sbuf.st_mode)) {
+		exit(1);
+	}
+
 	elffd = open(av[1], O_RDONLY);
 	if (elffd == -1) {
 		exit(1);
@@ -29,6 +36,9 @@ int main(int ac, char **av) {
 	if (fstat(elffd, &sbuf) == -1) {
 		exit(1);
 	}
+	if (!S_ISREG(sbuf.st_mode)) {
+		exit(1);
+	}
 
 	elfbase = mmap(0, sbuf.st_size, PROT_READ,MAP_PRIVATE, elffd, 0);
 	if (!elfbase) {