From b90dee6d5f238a6d56af069239189eea541c6c48 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sat, 27 Feb 2021 12:41:37 +0100 Subject: [PATCH] src/file_pgdump.c: add Frama-C annotations --- src/file_pgdump.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_pgdump.c b/src/file_pgdump.c index 4d53804e..d173e9b6 100644 --- a/src/file_pgdump.c +++ b/src/file_pgdump.c @@ -83,6 +83,7 @@ struct pgdmp_hdr /* PG_VERSION */ } __attribute__ ((gcc_struct, __packed__)); +/*@ requires \valid(file_stat); */ static void register_header_check_pgdump(file_stat_t *file_stat); const file_hint_t file_hint_pgdump= { @@ -94,6 +95,17 @@ const file_hint_t file_hint_pgdump= { .register_header_check=®ister_header_check_pgdump }; +/*@ + @ requires buffer_size >= sizeof(struct pgdmp_hdr); + @ 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_pgdump, 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_pgdump(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 pgdmp_hdr *hdr=(const struct pgdmp_hdr *)buffer;