From b396d3af19bfd64dc14d28df38d40af87b9da857 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 7 Feb 2021 18:17:41 +0100 Subject: [PATCH] src/file_7z.c: add frama-c annotations --- src/file_7z.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_7z.c b/src/file_7z.c index 583586d7..12fefc80 100644 --- a/src/file_7z.c +++ b/src/file_7z.c @@ -32,6 +32,7 @@ #include "filegen.h" #include "common.h" +/*@ requires \valid(file_stat); */ static void register_header_check_7z(file_stat_t *file_stat); const file_hint_t file_hint_7z= { @@ -53,6 +54,17 @@ struct header_7z { uint64_t nextHeaderCRC; } __attribute__ ((gcc_struct, __packed__)); +/*@ + @ requires buffer_size >= sizeof(struct header_7z); + @ 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_7z, buffer+(..), file_recovery, file_recovery_new); + @ assigns *file_recovery_new; + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @*/ static int header_check_7z(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) { const struct header_7z *buffer_7z=(const struct header_7z *)buffer;