From 489ad6b12bcdfd554acd0908a1770187e76e436d Mon Sep 17 00:00:00 2001 From: Nathan Wagner Date: Sat, 26 Dec 2015 22:37:20 +0000 Subject: [PATCH] added file type tests for soname --- elf/soname.c | 10 ++++++++++ 1 file changed, 10 insertions(+) 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) { -- 2.40.0