ntfs/libntfs/security.c

1141 static BOOL staticgroupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1149 	if (uid) {
1151 		while (user && ((uid_t)user->xid != uid))
1174 static BOOL groupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1200 		ismember = staticgroupmember(scx, uid, gid);
1240 static BOOL groupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1268 static BOOL groupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1284 		ismember = staticgroupmember(scx, uid, gid);
1398  *	- from uid, gid and perm to securid (CACHED_SECURID)
1399  *	- from a securid to uid, gid and perm (CACHED_PERMISSIONS)
1510 	return ((cached->uid != item->uid)
1519 	return ((cached->uid != item->uid)
1579  *	Enter uid, gid and mode into cache, if possible
1588 		ntfs_inode *ni, uid_t uid, gid_t gid,
1592 		ntfs_inode *ni, uid_t uid, gid_t gid, mode_t mode)
1622 			cacheentry->uid = uid;
1668 					cacheentry->uid = uid;
1703 			wanted.perm.uid = uid;
1944 			uid_t uid, gid_t gid)
1962 	if (!scx->uid || (uid == scx->uid)) {
1963 		if (!scx->uid) {
2013 				    && ((uid_t)pxace->id == scx->uid))
2044 				|| groupmember(scx, scx->uid, gid)))
2053 					    && groupmember(scx, scx->uid, pxace->id)) {
2090 	uid_t uid;
2102 			uid = cached->uid;
2104 			perm = access_check_posix(scx,cached->pxdesc,request,uid,gid);
2124 				uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2135 					uid = find_tenant(scx, securattr);
2136 					if (uid)
2139 					uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2158 					enter_cache(scx, ni, uid,
2162 					perm = access_check_posix(scx,pxdesc,request,uid,gid);
2168 				uid = gid = 0;
2192 	uid_t uid;
2239 					uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2243 						uid = find_tenant(scx,
2246 						uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2250 					enter_cache(scx, ni, uid,
2324 	uid_t uid;
2328 	if (!scx->mapping[MAPUSERS] || (!scx->uid && !(request & S_IEXEC)))
2335 			uid = cached->uid;
2352 				uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2359 					uid = find_tenant(scx, securattr);
2360 					if (uid)
2363 					uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2382 					enter_cache(scx, ni, uid,
2388 				uid = gid = 0;
2392 			if (!scx->uid) {
2399 				if (uid == scx->uid)
2410 					    && groupmember(scx, scx->uid, gid)))
2479 			stbuf->st_uid = cached->uid;
2578 	uid_t uid;
2585 		uid = cached->uid;
2608 			uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2615 				uid = find_tenant(scx, securattr);
2617 				uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
2635 					enter_cache(scx, dir_ni, uid,
2662 		uid_t uid, gid_t gid, ntfs_inode *dir_ni,
2686 		wanted.uid = uid;
2703 			usid = ntfs_find_usid(scx->mapping[MAPUSERS],uid,(SID*)&defusid);
2707 						(int)uid, (int)gid);
2744 		ntfs_inode *ni, uid_t uid, gid_t gid,
2760 		usid = ntfs_find_usid(scx->mapping[MAPUSERS],uid,(SID*)&defusid);
2764 					(int)uid, (int)gid);
2807 		uid_t uid, gid_t gid, mode_t mode, BOOL isdir)
2826 	wanted.uid = uid;
2842 		usid = ntfs_find_usid(scx->mapping[MAPUSERS],uid,(SID*)&defusid);
2846 					(int)uid, (int)gid);
2885 		uid_t uid, gid_t gid, mode_t mode,
2889 		uid_t uid, gid_t gid, mode_t mode)
2907 	wanted.uid = uid;
2947 		usid = ntfs_find_usid(scx->mapping[MAPUSERS],uid,(SID*)&defusid);
2951 				uid, gid);
3027 	uid_t uid;
3031 	processuid = scx->uid;
3044 			uid = cached->uid;
3059 				uid = ntfs_find_user(scx->mapping[MAPUSERS],
3067 		    && (!processuid || (processuid == uid)))
3098 	uid_t uid;
3122 			uid = cached->uid;
3139 				uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
3164 		processuid = scx->uid;
3166 		if (!processuid || (uid == processuid)) {
3172 			    && !groupmember(scx, scx->uid, gid)) {
3175 			res = ntfs_set_owner_mode(scx, ni, uid, gid,
3274 	uid_t uid;
3288 		uid = cached->uid;
3316 			uid = ntfs_find_user(scx->mapping[MAPUSERS],usid);
3331 		processuid = scx->uid;
3333 		if (!processuid || (uid == processuid)) {
3339 			    && !groupmember(scx, scx->uid, gid))
3344 				res = ntfs_set_owner_mode(scx, ni, uid, gid,
3347 				res = ntfs_set_owner_mode(scx, ni, uid, gid,
3350 			res = ntfs_set_owner_mode(scx, ni, uid, gid, mode);
3468 	    || (!scx->uid
3501 					    && (stbuf.st_uid == scx->uid))
3551 	    || !scx->uid) {
3624 						&& (stbuf.st_uid == scx->uid);
3643 			uid_t uid, gid_t gid)
3666 		fileuid = cached->uid;
3718 		if (!scx->uid
3719 		   || ((((int)uid < 0) || (uid == fileuid))
3720 		      && ((gid == scx->gid) || groupmember(scx, scx->uid, gid))
3721 		      && (fileuid == scx->uid))) {
3724 			if ((int)uid < 0)
3725 				uid = fileuid;
3731 			if (uid && (fileuid != uid))
3735 			res = ntfs_set_owner_mode(scx, ni, uid, gid,
3738 			res = ntfs_set_owner_mode(scx, ni, uid, gid, mode);
3767 			uid_t uid, gid_t gid, const mode_t mode)
3789 		fileuid = cached->uid;
3840 		if (!scx->uid
3841 		   || ((((int)uid < 0) || (uid == fileuid))
3842 		      && ((gid == scx->gid) || groupmember(scx, scx->uid, gid))
3843 		      && (fileuid == scx->uid))) {
3846 			if ((int)uid < 0)
3847 				uid = fileuid;
3851 			res = ntfs_set_owner_mode(scx, ni, uid, gid,
3854 			res = ntfs_set_owner_mode(scx, ni, uid, gid, mode);
3905 		usid = ntfs_find_usid(scx->mapping[MAPUSERS], scx->uid, (SID*)&defusid);
3931 		if (!scx->uid)
4060 		    && (cached->uid == scx->uid) && (cached->gid == scx->gid))
4081 				    && (cached->uid == scx->uid)
4184 			 uid_t uid, gid_t gid, const SID *usid)
4202 				usermapping->xid = uid;
4279 						scx->uid, scx->gid, usid);
5240 int ntfs_get_usid(struct SECURITY_API *scapi, uid_t uid, char *buf)
5248 		usid = ntfs_find_usid(scapi->security.mapping[MAPUSERS], uid, (SID*)&defusid);
5288  *	returns the uid, or -1 if not found
5293 	int uid;
5295 	uid = -1;
5298 			uid = 0;
5300 			uid = ntfs_find_user(scapi->security.mapping[MAPUSERS], usid);
5301 			if (!uid) {
5302 				uid = -1;
5308 	return (uid);
5314  *	returns the uid, or -1 if not found
5369 				scx->uid = getuid();