+ static time_t modtime;
+ static mode_t mode;
+ static int64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static char lastname[MAXPATHLEN], *lastdir;
+ static int lastdir_depth, lastdir_len = -1;
+ static unsigned int del_hier_name_len = 0;
+ static int in_del_hier = 0;
+ char thisname[MAXPATHLEN];
+ unsigned int l1 = 0, l2 = 0;
+ int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
+ OFF_T file_length;
+ char *basename, *dirname, *bp;
+ struct file_struct *file;
+
+ if (!flist) {
+ modtime = 0, mode = 0;
+ dev = 0, rdev = makedev(0, 0);
+ rdev_major = 0;
+ uid = 0, gid = 0;
+ *lastname = '\0';
+ lastdir_len = -1;
+ in_del_hier = 0;
+ return NULL;
+ }
+
+ if (flags & XMIT_SAME_NAME)
+ l1 = read_byte(f);
+
+ if (flags & XMIT_LONG_NAME)
+ l2 = read_int(f);
+ else
+ l2 = read_byte(f);
+
+ if (l2 >= MAXPATHLEN - l1) {
+ rprintf(FERROR,
+ "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
+ flags, l1, l2, lastname);
+ overflow_exit("receive_file_entry");
+ }
+
+ strlcpy(thisname, lastname, l1 + 1);
+ read_sbuf(f, &thisname[l1], l2);
+ thisname[l1 + l2] = 0;
+
+ strlcpy(lastname, thisname, MAXPATHLEN);
+
+ clean_fname(thisname, 0);
+
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0);
+
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ dirname_len = ++basename - thisname; /* counts future '\0' */
+ if (lastdir_len == dirname_len - 1
+ && strncmp(thisname, lastdir, lastdir_len) == 0) {
+ dirname = lastdir;
+ dirname_len = 0; /* indicates no copy is needed */
+ } else
+ dirname = thisname;
+ } else {
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
+ }
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+ file_length = read_longint(f);
+ if (!(flags & XMIT_SAME_TIME))
+ modtime = (time_t)read_int(f);
+ if (!(flags & XMIT_SAME_MODE))
+ mode = from_wire_mode(read_int(f));
+
+ if (chmod_modes && !S_ISLNK(mode))
+ mode = tweak_mode(mode, chmod_modes);
+
+ if (preserve_uid && !(flags & XMIT_SAME_UID))
+ uid = (uid_t)read_int(f);
+ if (preserve_gid && !(flags & XMIT_SAME_GID))
+ gid = (gid_t)read_int(f);
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(flags & XMIT_SAME_RDEV_pre28))
+ rdev = (dev_t)read_int(f);
+ } else {
+ uint32 rdev_minor;
+ if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_int(f);
+ if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = makedev(rdev_major, rdev_minor);
+ }
+ } else if (protocol_version < 28)
+ rdev = makedev(0, 0);
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(mode)) {
+ linkname_len = read_int(f) + 1; /* count the '\0' */
+ if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ rprintf(FERROR, "overflow: linkname_len=%d\n",
+ linkname_len - 1);
+ overflow_exit("receive_file_entry");
+ }
+ }
+ else
+#endif
+ linkname_len = 0;
+
+ sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0;
+
+ alloc_len = file_struct_len + dirname_len + basename_len
+ + linkname_len + sum_len;
+ bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry");
+
+ file = (struct file_struct *)bp;
+ memset(bp, 0, file_struct_len);
+ bp += file_struct_len;
+
+ file->modtime = modtime;
+ file->length = file_length;
+ file->mode = mode;
+ file->uid = uid;
+ file->gid = gid;
+
+ if (dirname_len) {
+ file->dirname = lastdir = bp;
+ lastdir_len = dirname_len - 1;
+ memcpy(bp, dirname, dirname_len - 1);
+ bp += dirname_len;
+ bp[-1] = '\0';
+ lastdir_depth = count_dir_elements(lastdir);
+ file->dir.depth = lastdir_depth + 1;
+ } else if (dirname) {
+ file->dirname = dirname; /* we're reusing lastname */
+ file->dir.depth = lastdir_depth + 1;
+ } else
+ file->dir.depth = 1;
+
+ if (S_ISDIR(mode)) {
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
+ file->dir.depth--;
+ if (flags & XMIT_TOP_DIR) {
+ in_del_hier = recurse;
+ del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2;
+ if (relative_paths && del_hier_name_len > 2
+ && lastname[del_hier_name_len-1] == '.'
+ && lastname[del_hier_name_len-2] == '/')
+ del_hier_name_len -= 2;
+ file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE;
+ } else if (in_del_hier) {
+ if (!relative_paths || !del_hier_name_len
+ || (l1 >= del_hier_name_len
+ && lastname[del_hier_name_len] == '/'))
+ file->flags |= FLAG_DEL_HERE;
+ else
+ in_del_hier = 0;
+ }
+ }
+
+ file->basename = bp;
+ memcpy(bp, basename, basename_len);
+ bp += basename_len;
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode)))
+ file->u.rdev = rdev;
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ file->u.link = bp;
+ read_sbuf(f, bp, linkname_len - 1);
+ bp += linkname_len;
+ }
+#endif
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
+ flags |= XMIT_HAS_IDEV_DATA;
+ if (flags & XMIT_HAS_IDEV_DATA) {
+ int64 inode;
+ if (protocol_version < 26) {
+ dev = read_int(f);
+ inode = read_int(f);
+ } else {
+ if (!(flags & XMIT_SAME_DEV))
+ dev = read_longint(f);
+ inode = read_longint(f);
+ }
+ if (flist->hlink_pool) {
+ file->link_u.idev = pool_talloc(flist->hlink_pool,
+ struct idev, 1, "inode_table");
+ file->F_INODE = inode;
+ file->F_DEV = dev;
+ }
+ }
+#endif
+
+ if (always_checksum && (sum_len || protocol_version < 28)) {
+ char *sum;
+ if (sum_len) {
+ file->u.sum = sum = bp;
+ /*bp += sum_len;*/
+ } else {
+ /* Prior to 28, we get a useless set of nulls. */
+ sum = empty_sum;
+ }
+ read_buf(f, sum, checksum_len);
+ }
+
+ return file;
+}
+
+/**
+ * Create a file_struct for a named file by reading its stat()
+ * information and performing extensive checks against global
+ * options.
+ *
+ * @return the new file, or NULL if there was an error or this file
+ * should be excluded.
+ *
+ * @todo There is a small optimization opportunity here to avoid
+ * stat()ing the file in some circumstances, which has a certain cost.
+ * We are called immediately after doing readdir(), and so we may
+ * already know the d_type of the file. We could for example avoid
+ * statting directories if we're not recursing, but this is not a very
+ * important case. Some systems may not have d_type.
+ **/
+struct file_struct *make_file(char *fname, struct file_list *flist,
+ STRUCT_STAT *stp, unsigned short flags,
+ int filter_level)
+{
+ static char *lastdir;
+ static int lastdir_len = -1;