diff options
Diffstat (limited to 'userspace/setkey.c')
-rw-r--r-- | userspace/setkey.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/userspace/setkey.c b/userspace/setkey.c index 535773d..d0a2b62 100644 --- a/userspace/setkey.c +++ b/userspace/setkey.c @@ -47,6 +47,11 @@ int main(int argc, char** argv) memset(&key, 0, sizeof(key)); fp = fopen(argv[1], "r"); + if (fp == NULL) { + fprintf(stderr, "Cannot read %s\n", argv[1]); + exit(1); + } + size = fread(key.key, 1, sizeof(key.key), fp); if (size < 16) { fprintf(stderr, "Illegal key!\n"); |