diff options
Diffstat (limited to 'src/afl-performance.c')
| -rw-r--r-- | src/afl-performance.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/afl-performance.c b/src/afl-performance.c index 6c6e3c8b..e8ece6b5 100644 --- a/src/afl-performance.c +++ b/src/afl-performance.c @@ -95,6 +95,24 @@ inline u64 hash64(u8 *key, u32 len, u64 seed) { } +/* Hash a file */ + +u64 get_binary_hash(u8 *fn) { + + int fd = open(fn, O_RDONLY); + if (fd < 0) { PFATAL("Unable to open '%s'", fn); } + struct stat st; + if (fstat(fd, &st) < 0) { PFATAL("Unable to fstat '%s'", fn); } + u32 f_len = st.st_size; + u8 *f_data = mmap(0, f_len, PROT_READ, MAP_PRIVATE, fd, 0); + if (f_data == MAP_FAILED) { PFATAL("Unable to mmap file '%s'", fn); } + close(fd); + u64 hash = hash64(f_data, f_len, 0); + if (munmap(f_data, f_len)) { PFATAL("unmap() failed"); } + return hash; + +} + // Public domain SHA1 implementation copied from: // https://github.com/x42/liboauth/blob/7001b8256cd654952ec2515b055d2c5b243be600/src/sha1.c |