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Additional safety check when stat()-ing files

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This commit is contained in:
Marcus Holland-Moritz 2023-07-04 12:36:36 +02:00
parent f850641657
commit 8c1828e136
1 changed files with 4 additions and 0 deletions
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4
src/dwarfs/file_stat.cpp
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@ -41,6 +41,7 @@
#include "dwarfs/error.h" #include "dwarfs/error.h"
#include "dwarfs/mmap.h" #include "dwarfs/mmap.h"
#include "dwarfs/os_access_generic.h" #include "dwarfs/os_access_generic.h"
#include "dwarfs/util.h"
namespace dwarfs { namespace dwarfs {
@ -67,6 +68,9 @@ uint64_t time_from_filetime(FILETIME const& ft) {
file_stat make_file_stat(fs::path const& path) { file_stat make_file_stat(fs::path const& path) {
auto status = fs::symlink_status(path); auto status = fs::symlink_status(path);
DWARFS_CHECK(status.type() != fs::file_type::not_found,
u8string_to_string(path.u8string()));
file_stat rv; file_stat rv;
rv.mode = file_status_to_mode(status); rv.mode = file_status_to_mode(status);
rv.blksize = 0; rv.blksize = 0;