if (!datum_len && !extra_len)
extra_len = 1; /* request non-zero amount of memory */
- if (datum_len + extra_len < datum_len /* checks for overflow */
- || !(ptr = new_array(char, datum_len + extra_len)))
+ if (datum_len + extra_len < datum_len)
+ overflow_exit("get_xattr_data");
+ if (!(ptr = new_array(char, datum_len + extra_len)))
out_of_memory("get_xattr_data");
if (datum_len) {
return 0;
}
+int copy_xattrs(const char *source, const char *dest)
+{
+ ssize_t list_len, name_len;
+ size_t datum_len;
+ char *name, *ptr;
+#ifdef HAVE_LINUX_XATTRS
+ int user_only = am_sender ? 0 : !am_root;
+#endif
+
+ /* This puts the name list into the "namebuf" buffer. */
+ if ((list_len = get_xattr_names(source)) < 0)
+ return -1;
+
+ for (name = namebuf; list_len > 0; name += name_len) {
+ name_len = strlen(name) + 1;
+ list_len -= name_len;
+
+#ifdef HAVE_LINUX_XATTRS
+ /* We always ignore the system namespace, and non-root
+ * ignores everything but the user namespace. */
+ if (user_only ? !HAS_PREFIX(name, USER_PREFIX)
+ : HAS_PREFIX(name, SYSTEM_PREFIX))
+ continue;
+#endif
+
+ datum_len = 0;
+ if (!(ptr = get_xattr_data(source, name, &datum_len, 0)))
+ return -1;
+ if (sys_lsetxattr(dest, name, ptr, datum_len) < 0) {
+ int save_errno = errno ? errno : EINVAL;
+ rsyserr(FERROR_XFER, errno,
+ "rsync_xal_set: lsetxattr(\"%s\",\"%s\") failed",
+ dest, name);
+ errno = save_errno;
+ return -1;
+ }
+ free(ptr);
+ }
+
+ return 0;
+}
+
static int find_matching_xattr(item_list *xalp)
{
size_t i, j;
rxa->datum_len = read_varint(f_in);
if (rxa->name_len + rxa->datum_len < rxa->name_len)
- out_of_memory("recv_xattr_request"); /* overflow */
+ overflow_exit("recv_xattr_request");
rxa->datum = new_array(char, rxa->datum_len + rxa->name_len);
if (!rxa->datum)
out_of_memory("recv_xattr_request");
size_t datum_len = read_varint(f);
size_t dget_len = datum_len > MAX_FULL_DATUM ? 1 + MAX_DIGEST_LEN : datum_len;
size_t extra_len = MIGHT_NEED_RPRE ? RPRE_LEN : 0;
- if (dget_len + extra_len < dget_len)
- out_of_memory("receive_xattr"); /* overflow */
- if (dget_len + extra_len + name_len < dget_len)
- out_of_memory("receive_xattr"); /* overflow */
+ if ((dget_len + extra_len < dget_len)
+ || (dget_len + extra_len + name_len < dget_len))
+ overflow_exit("receive_xattr");
ptr = new_array(char, dget_len + extra_len + name_len);
if (!ptr)
out_of_memory("receive_xattr");