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* dir.cc (mkdir): Use local security_descriptor. Call

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set_security_attribute appropriately.
	* external.cc (cygwin_internal): Ditto.
	* fhandler.cc (fhandler_base::open): Ditto.
	* fhandler_socket.cc (fhandler_socket::bind): Ditto.
	* path.cc (symlink_worker): Ditto.
	* sec_acl.cc (setacl): Ditto. Call read_sd appropriately.
	(getace): Ditto.
	* sec_helper.cc (security_descriptor::malloc): New method.
	(security_descriptor::realloc): New method.
	(security_descriptor::free): New method.
	* security.cc (read_sd): Get security_descriptor as parameter instead
	of PSECURITY_DESCRIPTOR and a size. Drop unnecessary parameter check.
	Allocate the security_descriptor buffer according to size returned by
	a call to GetFileSecurity. Return buffer size on success.
	(write_sd): Get security_descriptor as parameter instead of
	PSECURITY_DESCRIPTOR and a size.
	(get_nt_attribute): Use local security_descriptor.
	(get_nt_object_attribute): Ditto in case of type == SE_REGISTRY_KEY.
	Allocate security_descriptor buffer according to size returned by
	a call to RegGetKeySecurity.
	(alloc_sd): Make static. Get security_descriptor as parameter instead
	of PSECURITY_DESCRIPTOR and a size. Drop unnecessary parameter check.
	(set_security_attribute): Get security_descriptor as parameter instead
	of PSECURITY_DESCRIPTOR and a size.
	(set_nt_attribute): Use local security_descriptor.
	(check_file_access): Ditto.
	* security.h: Add class security_descriptor.
	(read_sd): Change declaration to get security_descriptor as parameter
	instead of PSECURITY_DESCRIPTOR and a size.
	(write_sd): Ditto.
	(set_security_attribute): Ditto.
	(alloc_sd): Remove declaration.
	* thread.cc (semaphore::semaphore): Use local security_descriptor. Call
	set_security_attribute appropriately.
This commit is contained in:
Corinna Vinschen
2003-11-26 13:23:27 +00:00
parent 3db690789f
commit 12069cf31b
11 changed files with 200 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
winsup/cygwin/security.h
View File

@@ -167,6 +167,24 @@ public:
}
};
/* Wrapper class to allow simple deleting of buffer space allocated
by read_sd() */
class security_descriptor {
protected:
PSECURITY_DESCRIPTOR psd;
DWORD sd_size;
public:
security_descriptor () : psd (NULL), sd_size (0) {}
~security_descriptor () { free (); }
PSECURITY_DESCRIPTOR malloc (size_t nsize);
PSECURITY_DESCRIPTOR realloc (size_t nsize);
void free (void);
inline DWORD size (void) const { return sd_size; }
inline operator const PSECURITY_DESCRIPTOR () { return psd; }
};
class user_groups {
public:
cygsid pgsid;
@@ -228,14 +246,14 @@ int __stdcall set_file_attribute (int, const char *, int);
int __stdcall set_file_attribute (int, const char *, __uid32_t, __gid32_t, int);
int __stdcall get_object_attribute (HANDLE handle, SE_OBJECT_TYPE object_type, mode_t *,
__uid32_t * = NULL, __gid32_t * = NULL);
LONG __stdcall read_sd(const char *file, PSECURITY_DESCRIPTOR sd_buf, LPDWORD sd_size);
LONG __stdcall write_sd(const char *file, PSECURITY_DESCRIPTOR sd_buf, DWORD sd_size);
LONG __stdcall read_sd (const char *file, security_descriptor &sd);
LONG __stdcall write_sd (const char *file, security_descriptor &sd);
BOOL __stdcall add_access_allowed_ace (PACL acl, int offset, DWORD attributes, PSID sid, size_t &len_add, DWORD inherit);
BOOL __stdcall add_access_denied_ace (PACL acl, int offset, DWORD attributes, PSID sid, size_t &len_add, DWORD inherit);
int __stdcall check_file_access (const char *, int);
void set_security_attribute (int attribute, PSECURITY_ATTRIBUTES psa,
void *sd_buf, DWORD sd_buf_size);
security_descriptor &sd_buf);
bool get_sids_info (cygpsid, cygpsid, __uid32_t * , __gid32_t *);
@@ -268,8 +286,6 @@ extern BOOL sec_acl (PACL acl, bool original, bool admins, PSID sid1 = NO_SID,
int __stdcall NTReadEA (const char *file, const char *attrname, char *buf, int len);
BOOL __stdcall NTWriteEA (const char *file, const char *attrname, const char *buf, int len);
PSECURITY_DESCRIPTOR alloc_sd (__uid32_t uid, __gid32_t gid, int attribute,
PSECURITY_DESCRIPTOR sd_ret, DWORD *sd_size_ret);
extern inline SECURITY_ATTRIBUTES *
sec_user_nih (char sa_buf[], PSID sid1 = NULL, PSID sid2 = NULL, DWORD access2 = 0)