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winws: fix ensure_access for unix paths

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bol-van
2026-02-17 16:27:06 +03:00
parent 371612b000
commit 5ced6811c8
1 changed files with 23 additions and 14 deletions
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37
nfq2/darkmagic.c
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@@ -922,11 +922,29 @@ BOOL SetMandatoryLabelObject(HANDLE h, SE_OBJECT_TYPE ObjType, DWORD dwMandatory
bool ensure_file_access(const char *filename)
{
return SetMandatoryLabelFile(filename, SECURITY_MANDATORY_LOW_RID, 0);
bool b=false;
size_t l = cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, filename, NULL, 0);
WCHAR *wfilename = (WCHAR*)malloc(l);
if (wfilename)
{
if (!cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, filename, wfilename, l))
b = SetMandatoryLabelFileW(wfilename, SECURITY_MANDATORY_LOW_RID, 0);
free(wfilename);
}
return b;
}
bool ensure_dir_access(const char *dir)
{
return SetMandatoryLabelFile(dir, SECURITY_MANDATORY_LOW_RID, OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE);
bool b=false;
size_t l = cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, dir, NULL, 0);
WCHAR *wdir = (WCHAR*)malloc(l);
if (wdir)
{
if (!cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, dir, wdir, l))
b=SetMandatoryLabelFileW(wdir, SECURITY_MANDATORY_LOW_RID, OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE);
free(wdir);
}
return b;
}
bool prepare_low_appdata()
@@ -2434,20 +2452,11 @@ bool make_writeable_dir()
if (mkdir(wrdir,0755) && errno!=EEXIST)
return false;
bool b = false;
bool b;
#ifdef __CYGWIN__
size_t l = cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, wrdir, NULL, 0);
WCHAR *wwrdir = (WCHAR*)malloc(l);
if (wwrdir)
{
if (!cygwin_conv_path(CCP_POSIX_TO_WIN_W | CCP_ABSOLUTE, wrdir, wwrdir, l))
b = SetMandatoryLabelFileW(wwrdir, SECURITY_MANDATORY_LOW_RID, OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE);
free(wwrdir);
}
b = ensure_dir_access(wrdir);
#else
if (ensure_dir_access(wrdir))
b = true;
else
if (!(b=ensure_dir_access(wrdir)))
{
// could not chown. may be still accessible ?
char testfile[PATH_MAX];