ntfs/libntfs/security.c

1141 static BOOL staticgroupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1156 			while ((--grcnt >= 0) && (groups[grcnt] != gid)) { }
1174 static BOOL groupmember(struct SECURITY_CONTEXT *scx, uid_t uid, gid_t gid)
1200 		ismember = staticgroupmember(scx, uid, gid);
1209 				if (basecreds.pr_egid == gid)
1217 				    && (*p != 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);
1333 						ismember = (grp == gid);
1398  *	- from uid, gid and perm to securid (CACHED_SECURID)
1399  *	- from a securid to uid, gid and perm (CACHED_PERMISSIONS)
1511 		 || (cached->gid != item->gid)
1520 		 || (cached->gid != item->gid)
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)
1623 			cacheentry->gid = gid;
1669 					cacheentry->gid = gid;
1704 			wanted.perm.gid = gid;
1944 			uid_t uid, gid_t gid)
2043 			    && ((gid == scx->gid)
2044 				|| groupmember(scx, scx->uid, gid)))
2091 	gid_t gid;
2103 			gid = cached->gid;
2104 			perm = access_check_posix(scx,cached->pxdesc,request,uid,gid);
2115 				gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
2159 							gid, pxdesc);
2162 					perm = access_check_posix(scx,pxdesc,request,uid,gid);
2168 				uid = gid = 0;
2193 	gid_t gid;
2248 					gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
2251 							gid, pxdesc);
2325 	gid_t gid;
2336 			gid = cached->gid;
2347 				gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
2383 							gid, perm);
2388 				uid = gid = 0;
2407 					if ((gid == scx->gid)
2410 					    && groupmember(scx, scx->uid, gid)))
2480 			stbuf->st_gid = cached->gid;
2579 	gid_t gid;
2586 		gid = cached->gid;
2603 			gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
2636 							gid, pxdesc);
2662 		uid_t uid, gid_t gid, ntfs_inode *dir_ni,
2687 		wanted.gid = gid;
2704 			gsid = ntfs_find_gsid(scx->mapping[MAPGROUPS],gid,(SID*)&defgsid);
2707 						(int)uid, (int)gid);
2744 		ntfs_inode *ni, uid_t uid, gid_t gid,
2761 		gsid = ntfs_find_gsid(scx->mapping[MAPGROUPS],gid,(SID*)&defgsid);
2764 					(int)uid, (int)gid);
2807 		uid_t uid, gid_t gid, mode_t mode, BOOL isdir)
2827 	wanted.gid = gid;
2843 		gsid = ntfs_find_gsid(scx->mapping[MAPGROUPS],gid,(SID*)&defgsid);
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)
2908 	wanted.gid = gid;
2948 		gsid = ntfs_find_gsid(scx->mapping[MAPGROUPS],gid,(SID*)&defgsid);
2951 				uid, gid);
3099 	uid_t gid;
3123 			gid = cached->gid;
3140 				gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
3171 			if (processuid && (gid != scx->gid)
3172 			    && !groupmember(scx, scx->uid, gid)) {
3175 			res = ntfs_set_owner_mode(scx, ni, uid, gid,
3275 	uid_t gid;
3289 		gid = cached->gid;
3317 			gid = ntfs_find_group(scx->mapping[MAPGROUPS],gsid);
3338 			if (processuid && (gid != scx->gid)
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);
3531  *	Also returns the gid and dsetgid applicable to the created file
3564 	*pgid = scx->gid;
3643 			uid_t uid, gid_t gid)
3667 		filegid = cached->gid;
3720 		      && ((gid == scx->gid) || groupmember(scx, scx->uid, gid))
3723 			/* or reuse old gid and sid for cacheing */
3726 			if ((int)gid < 0)
3727 				gid = filegid;
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)
3790 		filegid = cached->gid;
3842 		      && ((gid == scx->gid) || groupmember(scx, scx->uid, gid))
3845 			/* or reuse old gid and sid for cacheing */
3848 			if ((int)gid < 0)
3849 				gid = filegid;
3851 			res = ntfs_set_owner_mode(scx, ni, uid, gid,
3854 			res = ntfs_set_owner_mode(scx, ni, uid, gid, mode);
3906 		gsid = ntfs_find_gsid(scx->mapping[MAPGROUPS], scx->gid, (SID*)&defgsid);
3943 		if (!scx->gid)
4060 		    && (cached->uid == scx->uid) && (cached->gid == scx->gid))
4082 				    && (cached->gid == scx->gid)) {
4101 			gid_t gid)
4110 	group = getgrgid(gid);
4124 				groups[grcnt++]	= gid;
4184 			 uid_t uid, gid_t gid, const SID *usid)
4205 				groupmapping->xid = gid;
4279 						scx->uid, scx->gid, usid);
5266 int ntfs_get_gsid(struct SECURITY_API *scapi, gid_t gid, char *buf)
5274 		gsid = ntfs_find_gsid(scapi->security.mapping[MAPGROUPS], gid, (SID*)&defgsid);
5319 	int gid;
5321 	gid = -1;
5324 			gid = 0;
5326 			gid = ntfs_find_group(scapi->security.mapping[MAPGROUPS], gsid);
5327 			if (!gid) {
5328 				gid = -1;
5334 	return (gid);
5370 				scx->gid = getgid();