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map windows locked/hidden attributes.

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This commit is contained in:
Kelvin Sherlock 2016-11-27 13:53:07 -05:00
parent a2d165840b
commit c20257e5fe
1 changed files with 79 additions and 17 deletions
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94
src/win32_host_fst.c
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@ -110,14 +110,20 @@ static int afp_to_filetype(struct AFP_Info *info, word16 *file_type, word32 *aux
return 0;
}
static void afp_synchronize(struct AFP_Info *info) {
enum { prefer_prodos, prefer_hfs };
static void afp_synchronize(struct AFP_Info *info, int preference) {
// if ftype/auxtype is inconsistent between prodos and finder info, use
// prodos as source of truth.
word16 f;
word32 a;
if (finder_info_to_filetype(info->finder_info, &f, &a) != 0) return;
if (f == info->prodos_file_type && a == info->prodos_aux_type) return;
if (preference == prefer_prodos)
file_type_to_finder_info(info->finder_info, info->prodos_file_type, info->prodos_aux_type);
else {
info->prodos_file_type = f;
info->prodos_aux_type = a;
}
}
@ -508,6 +514,32 @@ static void get_file_xinfo(const char *path, struct file_info *fi) {
}
}
static word16 map_attributes(DWORD dwFileAttributes) {
// 0x01 = read enable
// 0x02 = write enable
// 0x04 = invisible
// 0x08 = reserved
// 0x10 = reserved
// 0x20 = backup needed
// 0x40 = rename enable
// 0x80 = destroy enable
word16 access = 0;
if (dwFileAttributes & FILE_ATTRIBUTE_READONLY)
access = readEnable;
else
access = readEnable | writeEnable | renameEnable | destroyEnable;
if (dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
access |= fileInvisible;
// map FILE_ATTRIBUTE_ARCHIVE to backup needed bit?
return access;
}
static word32 get_file_info(const char *path, struct file_info *fi) {
@ -575,7 +607,7 @@ static word32 get_file_info(const char *path, struct file_info *fi) {
// map FILE_ATTRIBUTE_ARCHIVE to backup needed bit?
fi->access = access;
fi->access = map_attributes(info.dwFileAttributes);
CloseHandle(h);
@ -588,36 +620,66 @@ static word32 set_file_info(const char *path, struct file_info *fi) {
if (fi->has_fi && fi->storage_type != 0x0d && fi->storage_type != 0x0f) {
char *rpath = append_string(path, ":AFP_AfpInfo");
HANDLE h = CreateFile(rpath, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
HANDLE h = CreateFile(rpath, GENERIC_WRITE,
FILE_SHARE_READ , NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) return map_last_error();
WriteFile(h, &fi->afp, sizeof(struct AFP_Info), NULL, NULL);
CloseHandle(h);
}
// todo -- also map hidden / read only attributes.
if (fi->create_date.dwLowDateTime || fi->create_date.dwHighDateTime
|| fi->modified_date.dwLowDateTime || fi->modified_date.dwHighDateTime) {
// SetFileInformationByHandle can modify dates.
HANDLE h;
h = CreateFile(path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
h = CreateFile(path, FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) return map_last_error();
// just use FILETIME in the file_info if WIN32?
FILE_BASIC_INFO fbi;
FILE_BASIC_INFO newfbi;
memset(&fbi, 0, sizeof(fbi));
memset(&newfbi, 0, sizeof(newfbi));
fbi.CreationTime.LowPart = fi->create_date.dwLowDateTime;
fbi.CreationTime.HighPart = fi->create_date.dwHighDateTime;
//fbi.ChangeTime.LowPart = fi->modified_date.dwLowDateTime; //?
//fbi.ChangeTime.HighPart = fi->modified_date.dwHighDateTime; //?
fbi.LastWriteTime.LowPart = fi->modified_date.dwLowDateTime;
fbi.LastWriteTime.HighPart = fi->modified_date.dwHighDateTime;
BOOL ok;
ok = GetFileInformationByHandleEx(h, FileBasicInfo, &fbi, sizeof(fbi));
BOOL ok = SetFileInformationByHandle(h, FileBasicInfo, &fbi, sizeof(fbi));
int delta = 0;
word16 old_access = map_attributes(fbi.FileAttributes);
if (fi->access && fi->access != old_access) {
newfbi.FileAttributes = fbi.FileAttributes;
if (fi->access & fileInvisible) {
delta = 1;
newfbi.FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
}
// hfs fst only marks it read enable if all are clear.
word16 locked = writeEnable | destroyEnable | renameEnable;
if ((fi->access & locked) == 0) {
delta = 1;
newfbi.FileAttributes |= FILE_ATTRIBUTE_READONLY;
}
}
// todo -- compare against nt file time to see if it's actually changed.
// to prevent time stamp truncation.
if (fi->create_date.dwLowDateTime || fi->create_date.dwHighDateTime) {
delta = 1;
newfbi.CreationTime.LowPart = fi->create_date.dwLowDateTime;
newfbi.CreationTime.HighPart = fi->create_date.dwHighDateTime;
}
if (fi->modified_date.dwLowDateTime || fi->modified_date.dwHighDateTime) {
delta = 1;
newfbi.LastWriteTime.LowPart = fi->modified_date.dwLowDateTime;
newfbi.LastWriteTime.HighPart = fi->modified_date.dwHighDateTime;
//newfbi.ChangeTime.LowPart = fi->modified_date.dwLowDateTime; //?
//newfbi.ChangeTime.HighPart = fi->modified_date.dwHighDateTime; //?
}
if (delta)
ok = SetFileInformationByHandle(h, FileBasicInfo, &newfbi, sizeof(newfbi));
CloseHandle(h);
}
return 0;
@ -1197,7 +1259,7 @@ static word32 fst_set_file_info(int class, const char *path) {
// one more check... if ftype/auxtype doesn't match the ftype/auxtype in finder info
// update finder info
if (fi.has_fi) afp_synchronize(&fi.afp);
if (fi.has_fi) afp_synchronize(&fi.afp, prefer_prodos);
return set_file_info(path, &fi);
}