Fix UNIX file permissions (#103)

Need to explicity set UNIX file permissions when commpressing buffer
to entry. Without it later unpacked file can't be opened.

Fix #100
This commit is contained in:
Ivan Romanov 2019-04-27 04:56:17 +05:00 committed by Kuba Podgórski
parent 2445a950bd
commit 410549dd3a
2 changed files with 39 additions and 0 deletions

View File

@ -277,7 +277,14 @@ int zip_entry_open(struct zip_t *zip, const char *entryname) {
zip->entry.header_offset = zip->archive.m_archive_size;
memset(zip->entry.header, 0, MZ_ZIP_LOCAL_DIR_HEADER_SIZE * sizeof(mz_uint8));
zip->entry.method = 0;
// UNIX or APPLE
#if MZ_PLATFORM == 3 || MZ_PLATFORM == 19
// regular file with rw-r--r-- persmissions
zip->entry.external_attr = (mz_uint32)(0100644) << 16;
#else
zip->entry.external_attr = 0;
#endif
num_alignment_padding_bytes =
mz_zip_writer_compute_padding_needed_for_file_alignment(pzip);

View File

@ -29,6 +29,8 @@
#define XFILE "7.txt\0"
#define XMODE 0100777
#define UNIXMODE 0100644
#define UNUSED(x) (void)x
static int total_entries = 0;
@ -435,6 +437,35 @@ static void test_mtime(void) {
remove(ZIPNAME);
}
static void test_unix_permissions(void) {
#if defined(_WIN64) || defined(_WIN32) || defined(__WIN32__)
#else
// UNIX or APPLE
struct MZ_FILE_STAT_STRUCT file_stats;
remove(ZIPNAME);
struct zip_t *zip = zip_open(ZIPNAME, ZIP_DEFAULT_COMPRESSION_LEVEL, 'w');
assert(zip != NULL);
assert(0 == zip_entry_open(zip, RFILE));
assert(0 == zip_entry_write(zip, TESTDATA1, strlen(TESTDATA1)));
assert(0 == zip_entry_close(zip));
zip_close(zip);
remove(RFILE);
assert(0 == zip_extract(ZIPNAME, ".", NULL, NULL));
assert(0 == MZ_FILE_STAT(RFILE, &file_stats));
assert(UNIXMODE == file_stats.st_mode);
remove(RFILE);
remove(ZIPNAME);
#endif
}
int main(int argc, char *argv[]) {
UNUSED(argc);
UNUSED(argv);
@ -455,6 +486,7 @@ int main(int argc, char *argv[]) {
test_write_permissions();
test_exe_permissions();
test_mtime();
test_unix_permissions();
remove(ZIPNAME);
return 0;