Пример #1
0
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_LICENSE_HEADER_END@
 */


#include <Security/cssmapple.h>
#include <libkern/OSByteOrder.h>

// {87191ca0-0fc9-11d4-849a-000502b52122}
const CSSM_GUID gGuidCssm =
{
    OSSwapHostToBigConstInt32(0x87191ca0),
    OSSwapHostToBigConstInt16(0x0fc9),
    OSSwapHostToBigConstInt16(0x11d4),
    { 0x84, 0x9a, 0x00, 0x05, 0x02, 0xb5, 0x21, 0x22 }
};

// {87191ca1-0fc9-11d4-849a-000502b52122}
const CSSM_GUID gGuidAppleFileDL =
{
    OSSwapHostToBigConstInt32(0x87191ca1),
    OSSwapHostToBigConstInt16(0x0fc9),
    OSSwapHostToBigConstInt16(0x11d4),
    { 0x84, 0x9a, 0x00, 0x05, 0x02, 0xb5, 0x21, 0x22 }
};

// {87191ca2-0fc9-11d4-849a-000502b52122}
const CSSM_GUID gGuidAppleCSP =
Пример #2
0
void commonattrpack(attrinfo_t *aip, zfsvfs_t *zfsvfs, znode_t *zp,
                    const char *name, ino64_t objnum, enum vtype vtype,
                    boolean_t user64)
{
	attrgroup_t commonattr = aip->ai_attrlist->commonattr;
	void *attrbufptr = *aip->ai_attrbufpp;
	void *varbufptr = *aip->ai_varbufpp;
	struct mount *mp = zfsvfs->z_vfs;
	cred_t  *cr = (cred_t *)vfs_context_ucred(aip->ai_context);
	finderinfo_t finderinfo;

    /*
     * We should probably combine all the sa_lookup into a bulk
     * lookup operand.
     */

	finderinfo.fi_flags = 0;

	if (ATTR_CMN_NAME & commonattr) {
		nameattrpack(aip, name, strlen(name));
		attrbufptr = *aip->ai_attrbufpp;
		varbufptr = *aip->ai_varbufpp;
	}
	if (ATTR_CMN_DEVID & commonattr) {
		*((dev_t *)attrbufptr) = vfs_statfs(mp)->f_fsid.val[0];
		attrbufptr = ((dev_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_FSID & commonattr) {
		*((fsid_t *)attrbufptr) = vfs_statfs(mp)->f_fsid;
		attrbufptr = ((fsid_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_OBJTYPE & commonattr) {
		*((fsobj_type_t *)attrbufptr) = vtype;
		attrbufptr = ((fsobj_type_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_OBJTAG & commonattr) {
		*((fsobj_tag_t *)attrbufptr) = VT_ZFS;
		attrbufptr = ((fsobj_tag_t *)attrbufptr) + 1;
	}
	/*
	 * Note: ATTR_CMN_OBJID is lossy (only 32 bits).
	 */
	if ((ATTR_CMN_OBJID | ATTR_CMN_OBJPERMANENTID) & commonattr) {
		u_int32_t fileid;
		/*
		 * On Mac OS X we always export the root directory id as 2
		 */
		fileid = (objnum == zfsvfs->z_root) ? 2 : objnum;

		if (ATTR_CMN_OBJID & commonattr) {
			((fsobj_id_t *)attrbufptr)->fid_objno = fileid;
			((fsobj_id_t *)attrbufptr)->fid_generation = 0;
			attrbufptr = ((fsobj_id_t *)attrbufptr) + 1;
		}
		if (ATTR_CMN_OBJPERMANENTID & commonattr) {
			((fsobj_id_t *)attrbufptr)->fid_objno = fileid;
			((fsobj_id_t *)attrbufptr)->fid_generation = 0;
			attrbufptr = ((fsobj_id_t *)attrbufptr) + 1;
		}
	}
	/*
	 * Note: ATTR_CMN_PAROBJID is lossy (only 32 bits).
	 */
	if (ATTR_CMN_PAROBJID & commonattr) {
		uint64_t parentid;

        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(zfsvfs),
                         &parentid, sizeof (parentid)) == 0);

		/*
		 * On Mac OS X we always export the root
		 * directory id as 2 and its parent as 1
		 */
		if (zp && zp->z_id == zfsvfs->z_root)
			parentid = 1;
		else if (parentid == zfsvfs->z_root)
			parentid = 2;

		ASSERT(parentid != 0);

		((fsobj_id_t *)attrbufptr)->fid_objno = (uint32_t)parentid;
		((fsobj_id_t *)attrbufptr)->fid_generation = 0;
		attrbufptr = ((fsobj_id_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_SCRIPT & commonattr) {
		*((text_encoding_t *)attrbufptr) = kTextEncodingMacUnicode;
		attrbufptr = ((text_encoding_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_CRTIME & commonattr) {
        uint64_t times[2];
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zfsvfs),
                         times, sizeof(times)) == 0);
		if (user64) {
			ZFS_TIME_DECODE((timespec_user64_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user64_t *)attrbufptr) + 1;
		} else {
			ZFS_TIME_DECODE((timespec_user32_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user32_t *)attrbufptr) + 1;
		}
	}
	if (ATTR_CMN_MODTIME & commonattr) {
        uint64_t times[2];
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_MTIME(zfsvfs),
                         times, sizeof(times)) == 0);
		if (user64) {
			ZFS_TIME_DECODE((timespec_user64_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user64_t *)attrbufptr) + 1;
		} else {
			ZFS_TIME_DECODE((timespec_user32_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user32_t *)attrbufptr) + 1;
		}
	}
	if (ATTR_CMN_CHGTIME & commonattr) {
        uint64_t times[2];
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_CTIME(zfsvfs),
                         times, sizeof(times)) == 0);
		if (user64) {
			ZFS_TIME_DECODE((timespec_user64_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user64_t *)attrbufptr) + 1;
		} else {
			ZFS_TIME_DECODE((timespec_user32_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user32_t *)attrbufptr) + 1;
		}
	}
	if (ATTR_CMN_ACCTIME & commonattr) {
        uint64_t times[2];
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_ATIME(zfsvfs),
                         times, sizeof(times)) == 0);
		if (user64) {
			ZFS_TIME_DECODE((timespec_user64_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user64_t *)attrbufptr) + 1;
		} else {
			ZFS_TIME_DECODE((timespec_user32_t *)attrbufptr,
			                times);
			attrbufptr = ((timespec_user32_t *)attrbufptr) + 1;
		}
	}
	if (ATTR_CMN_BKUPTIME & commonattr) {
		/* legacy attribute -- just pass zero */
		if (user64) {
			((timespec_user64_t *)attrbufptr)->tv_sec = 0;
			((timespec_user64_t *)attrbufptr)->tv_nsec = 0;
			attrbufptr = ((timespec_user64_t *)attrbufptr) + 1;
		}  else {
			((timespec_user32_t *)attrbufptr)->tv_sec = 0;
			((timespec_user32_t *)attrbufptr)->tv_nsec = 0;
			attrbufptr = ((timespec_user32_t *)attrbufptr) + 1;
		}
	}
	if (ATTR_CMN_FNDRINFO & commonattr) {
        uint64_t val;
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_FLAGS(zfsvfs),
                         &val, sizeof(val)) == 0);
		getfinderinfo(zp, cr, &finderinfo);
		/* Shadow ZFS_HIDDEN to Finder Info's invisible bit */
		if (val & ZFS_HIDDEN) {
			finderinfo.fi_flags |=
				OSSwapHostToBigConstInt16(kIsInvisible);
		}
		bcopy(&finderinfo, attrbufptr, sizeof (finderinfo));
		attrbufptr = (char *)attrbufptr + 32;
	}
	if (ATTR_CMN_OWNERID & commonattr) {
        uint64_t val;
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_UID(zfsvfs),
                         &val, sizeof(val)) == 0);
		*((uid_t *)attrbufptr) = val;
		attrbufptr = ((uid_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_GRPID & commonattr) {
        uint64_t val;
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_GID(zfsvfs),
                         &val, sizeof(val)) == 0);
		*((gid_t *)attrbufptr) = val;
		attrbufptr = ((gid_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_ACCESSMASK & commonattr) {
        uint64_t val;
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_MODE(zfsvfs),
                         &val, sizeof(val)) == 0);
		*((u_int32_t *)attrbufptr) = val;
		attrbufptr = ((u_int32_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_FLAGS & commonattr) {
		u_int32_t flags = zfs_getbsdflags(zp);

		/* Shadow Finder Info's invisible bit to UF_HIDDEN */
		if ((ATTR_CMN_FNDRINFO & commonattr) &&
		    (OSSwapBigToHostInt16(finderinfo.fi_flags) & kIsInvisible))
			flags |= UF_HIDDEN;

		*((u_int32_t *)attrbufptr) = flags;
		attrbufptr = ((u_int32_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_USERACCESS & commonattr) {
		u_int32_t user_access = 0;
        uint64_t val;
        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_FLAGS(zfsvfs),
                         &val, sizeof(val)) == 0);

		user_access = getuseraccess(zp, aip->ai_context);

		/* Also consider READ-ONLY file system. */
		if (vfs_flags(mp) & MNT_RDONLY) {
			user_access &= ~W_OK;
		}

		/* Locked objects are not writable either */
		if ((val & ZFS_IMMUTABLE) &&
		    (vfs_context_suser(aip->ai_context) != 0)) {
			user_access &= ~W_OK;
		}

		*((u_int32_t *)attrbufptr) = user_access;
		attrbufptr = ((u_int32_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_FILEID & commonattr) {
		/*
		 * On Mac OS X we always export the root directory id as 2
		 */
		if (objnum == zfsvfs->z_root)
			objnum = 2;

		*((u_int64_t *)attrbufptr) = objnum;
		attrbufptr = ((u_int64_t *)attrbufptr) + 1;
	}
	if (ATTR_CMN_PARENTID & commonattr) {
		uint64_t parentid;

        VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_PARENT(zfsvfs),
                         &parentid, sizeof (parentid)) == 0);

		/*
		 * On Mac OS X we always export the root
		 * directory id as 2 and its parent as 1
		 */
		if (zp && zp->z_id == zfsvfs->z_root)
			parentid = 1;
		else if (parentid == zfsvfs->z_root)
			parentid = 2;

		ASSERT(parentid != 0);

		*((u_int64_t *)attrbufptr) = parentid;
		attrbufptr = ((u_int64_t *)attrbufptr) + 1;
	}

	*aip->ai_attrbufpp = attrbufptr;
	*aip->ai_varbufpp = varbufptr;
}