From d6e4427438d50af449d8ae0801e4285bb820bf16 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Wed, 24 Feb 2021 08:08:06 +0100 Subject: [PATCH] src/file_kdbx.c: add frama-c annotations --- src/file_kdbx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_kdbx.c b/src/file_kdbx.c index f3881375..c3dd6d32 100644 --- a/src/file_kdbx.c +++ b/src/file_kdbx.c @@ -31,6 +31,7 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_kdbx(file_stat_t *file_stat); const file_hint_t file_hint_kdbx= { @@ -42,6 +43,17 @@ const file_hint_t file_hint_kdbx= { .register_header_check=®ister_header_check_kdbx }; +/*@ + @ requires buffer_size > 0; + @ requires \valid_read(buffer+(0..buffer_size-1)); + @ requires valid_file_recovery(file_recovery); + @ requires \valid(file_recovery_new); + @ requires file_recovery_new->blocksize > 0; + @ requires separation: \separated(&file_hint_kdbx, buffer+(..), file_recovery, file_recovery_new); + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @ assigns *file_recovery_new; + @*/ static int header_check_kdbx(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new) { reset_file_recovery(file_recovery_new);