+int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
+{
+#ifdef SUPPORT_LINKS
+ if (copy_links)
+ return x_stat(path, stp, NULL);
+ if (x_lstat(path, stp, NULL) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
+ STRUCT_STAT st;
+ if (x_stat(path, &st, NULL) == 0 && S_ISDIR(st.st_mode))
+ *stp = st;
+ }
+ return 0;
+#else
+ return x_stat(path, stp, NULL);
+#endif
+}
+
+static inline int is_daemon_excluded(const char *fname, int is_dir)
+{
+ if (daemon_filter_list.head
+ && check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
+ errno = ENOENT;
+ return 1;
+ }
+ return 0;
+}
+
+static inline int path_is_daemon_excluded(char *path, int ignore_filename)
+{
+ if (daemon_filter_list.head) {
+ char *slash = path;
+
+ while ((slash = strchr(slash+1, '/')) != NULL) {
+ int ret;
+ *slash = '\0';
+ ret = check_filter(&daemon_filter_list, FLOG, path, 1);
+ *slash = '/';
+ if (ret < 0) {
+ errno = ENOENT;
+ return 1;
+ }
+ }
+
+ if (!ignore_filename
+ && check_filter(&daemon_filter_list, FLOG, path, 1) < 0) {
+ errno = ENOENT;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+/* This function is used to check if a file should be included/excluded
+ * from the list of files based on its name and type etc. The value of
+ * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
+static int is_excluded(const char *fname, int is_dir, int filter_level)
+{
+#if 0 /* This currently never happens, so avoid a useless compare. */
+ if (filter_level == NO_FILTERS)
+ return 0;
+#endif
+ if (is_daemon_excluded(fname, is_dir))
+ return 1;
+ if (filter_level != ALL_FILTERS)
+ return 0;
+ if (filter_list.head
+ && check_filter(&filter_list, FINFO, fname, is_dir) < 0)
+ return 1;
+ return 0;
+}
+
+static void send_directory(int f, struct file_list *flist,
+ char *fbuf, int len, int flags);
+
+static const char *pathname, *orig_dir;
+static int pathname_len;
+
+/* Make sure flist can hold at least flist->used + extra entries. */
+static void flist_expand(struct file_list *flist, int extra)
+{
+ struct file_struct **new_ptr;
+
+ if (flist->used + extra <= flist->malloced)
+ return;
+
+ if (flist->malloced < FLIST_START)
+ flist->malloced = FLIST_START;
+ else if (flist->malloced >= FLIST_LINEAR)
+ flist->malloced += FLIST_LINEAR;
+ else
+ flist->malloced *= 2;
+
+ /* In case count jumped or we are starting the list
+ * with a known size just set it. */
+ if (flist->malloced < flist->used + extra)
+ flist->malloced = flist->used + extra;
+
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
+
+ if (DEBUG_GTE(FLIST, 1) && flist->malloced != FLIST_START) {
+ rprintf(FCLIENT, "[%s] expand file_list pointer array to %s bytes, did%s move\n",
+ who_am_i(),
+ big_num(sizeof flist->files[0] * flist->malloced),
+ (new_ptr == flist->files) ? " not" : "");
+ }
+
+ flist->files = new_ptr;
+
+ if (!flist->files)
+ out_of_memory("flist_expand");
+}
+
+static void flist_done_allocating(struct file_list *flist)
+{
+ void *ptr = pool_boundary(flist->file_pool, 8*1024);
+ if (flist->pool_boundary == ptr)
+ flist->pool_boundary = NULL; /* list didn't use any pool memory */
+ else
+ flist->pool_boundary = ptr;
+}
+
+/* Call this with EITHER (1) "file, NULL, 0" to chdir() to the file's
+ * F_PATHNAME(), or (2) "NULL, dir, dirlen" to chdir() to the supplied dir,
+ * with dir == NULL taken to be the starting directory, and dirlen < 0
+ * indicating that strdup(dir) should be called and then the -dirlen length
+ * value checked to ensure that it is not daemon-excluded. */
+int change_pathname(struct file_struct *file, const char *dir, int dirlen)
+{
+ if (dirlen < 0) {
+ char *cpy = strdup(dir);
+ if (*cpy != '/')
+ change_dir(orig_dir, CD_SKIP_CHDIR);
+ if (path_is_daemon_excluded(cpy, 0))
+ goto chdir_error;
+ dir = cpy;
+ dirlen = -dirlen;
+ } else {
+ if (file) {
+ if (pathname == F_PATHNAME(file))
+ return 1;
+ dir = F_PATHNAME(file);
+ if (dir)
+ dirlen = strlen(dir);
+ } else if (pathname == dir)
+ return 1;
+ if (dir && *dir != '/')
+ change_dir(orig_dir, CD_SKIP_CHDIR);
+ }
+
+ pathname = dir;
+ pathname_len = dirlen;
+
+ if (!dir)
+ dir = orig_dir;
+
+ if (!change_dir(dir, CD_NORMAL)) {
+ chdir_error:
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "change_dir %s failed", full_fname(dir));
+ if (dir != orig_dir)
+ change_dir(orig_dir, CD_NORMAL);
+ pathname = NULL;
+ pathname_len = 0;
+ return 0;
+ }
+
+ return 1;
+}
+
+static void send_file_entry(int f, const char *fname, struct file_struct *file,
+#ifdef SUPPORT_LINKS
+ const char *symlink_name, int symlink_len,
+#endif
+ int ndx, int first_ndx)
+{
+ static time_t modtime;
+ static mode_t mode;
+#ifdef SUPPORT_HARD_LINKS
+ static int64 dev;
+#endif
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static const char *user_name, *group_name;
+ static char lastname[MAXPATHLEN];
+#ifdef SUPPORT_HARD_LINKS
+ int first_hlink_ndx = -1;
+#endif
+ int l1, l2;
+ int xflags;
+
+ /* Initialize starting value of xflags and adjust counts. */
+ if (S_ISREG(file->mode))
+ xflags = 0;
+ else if (S_ISDIR(file->mode)) {
+ stats.num_dirs++;
+ if (protocol_version >= 30) {
+ if (file->flags & FLAG_CONTENT_DIR)
+ xflags = file->flags & FLAG_TOP_DIR;
+ else if (file->flags & FLAG_IMPLIED_DIR)
+ xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR;
+ else
+ xflags = XMIT_NO_CONTENT_DIR;
+ } else
+ xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+ } else {
+ if (S_ISLNK(file->mode))
+ stats.num_symlinks++;
+ else if (IS_DEVICE(file->mode))
+ stats.num_devices++;
+ else if (IS_SPECIAL(file->mode))
+ stats.num_specials++;
+ xflags = 0;
+ }
+
+ if (file->mode == mode)
+ xflags |= XMIT_SAME_MODE;
+ else
+ mode = file->mode;
+
+ if (preserve_devices && IS_DEVICE(mode)) {
+ if (protocol_version < 28) {
+ if (tmp_rdev == rdev)
+ xflags |= XMIT_SAME_RDEV_pre28;
+ else
+ rdev = tmp_rdev;
+ } else {
+ rdev = tmp_rdev;
+ if ((uint32)major(rdev) == rdev_major)
+ xflags |= XMIT_SAME_RDEV_MAJOR;
+ else
+ rdev_major = major(rdev);
+ if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
+ xflags |= XMIT_RDEV_MINOR_8_pre30;
+ }
+ } else if (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31) {
+ /* Special files don't need an rdev number, so just make
+ * the historical transmission of the value efficient. */
+ if (protocol_version < 28)
+ xflags |= XMIT_SAME_RDEV_pre28;
+ else {
+ rdev = MAKEDEV(major(rdev), 0);
+ xflags |= XMIT_SAME_RDEV_MAJOR;
+ if (protocol_version < 30)
+ xflags |= XMIT_RDEV_MINOR_8_pre30;
+ }
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+ if (!preserve_uid || ((uid_t)F_OWNER(file) == uid && *lastname))
+ xflags |= XMIT_SAME_UID;
+ else {
+ uid = F_OWNER(file);
+ if (!numeric_ids) {
+ user_name = add_uid(uid);
+ if (inc_recurse && user_name)
+ xflags |= XMIT_USER_NAME_FOLLOWS;
+ }
+ }
+ if (!preserve_gid || ((gid_t)F_GROUP(file) == gid && *lastname))
+ xflags |= XMIT_SAME_GID;
+ else {
+ gid = F_GROUP(file);
+ if (!numeric_ids) {
+ group_name = add_gid(gid);
+ if (inc_recurse && group_name)
+ xflags |= XMIT_GROUP_NAME_FOLLOWS;
+ }
+ }
+ if (file->modtime == modtime)
+ xflags |= XMIT_SAME_TIME;
+ else
+ modtime = file->modtime;
+ if (NSEC_BUMP(file) && protocol_version >= 31)
+ xflags |= XMIT_MOD_NSEC;
+
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_dev != 0) {
+ if (protocol_version >= 30) {
+ struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
+ first_hlink_ndx = (int32)(long)np->data - 1;
+ if (first_hlink_ndx < 0) {
+ np->data = (void*)(long)(first_ndx + ndx + 1);
+ xflags |= XMIT_HLINK_FIRST;
+ }
+ if (DEBUG_GTE(HLINK, 1)) {
+ if (first_hlink_ndx >= 0) {
+ rprintf(FINFO, "[%s] #%d hard-links #%d (%sabbrev)\n",
+ who_am_i(), first_ndx + ndx, first_hlink_ndx,
+ first_hlink_ndx >= first_ndx ? "" : "un");
+ } else if (DEBUG_GTE(HLINK, 3)) {
+ rprintf(FINFO, "[%s] dev:inode for #%d is %s:%s\n",
+ who_am_i(), first_ndx + ndx,
+ big_num(tmp_dev), big_num(tmp_ino));
+ }
+ }
+ } else {
+ if (tmp_dev == dev) {
+ if (protocol_version >= 28)
+ xflags |= XMIT_SAME_DEV_pre30;
+ } else
+ dev = tmp_dev;
+ }
+ xflags |= XMIT_HLINKED;
+ }
+#endif
+
+ for (l1 = 0;
+ lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
+ l1++) {}
+ l2 = strlen(fname+l1);
+
+ if (l1 > 0)
+ xflags |= XMIT_SAME_NAME;
+ if (l2 > 255)
+ xflags |= XMIT_LONG_NAME;
+
+ /* We must make sure we don't send a zero flag byte or the
+ * other end will terminate the flist transfer. Note that
+ * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
+ * it's harmless way to add a bit to the first flag byte. */
+ if (protocol_version >= 28) {
+ if (!xflags && !S_ISDIR(mode))
+ xflags |= XMIT_TOP_DIR;
+ if ((xflags & 0xFF00) || !xflags) {
+ xflags |= XMIT_EXTENDED_FLAGS;
+ write_shortint(f, xflags);
+ } else
+ write_byte(f, xflags);
+ } else {
+ if (!(xflags & 0xFF))
+ xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
+ write_byte(f, xflags);
+ }
+ if (xflags & XMIT_SAME_NAME)
+ write_byte(f, l1);
+ if (xflags & XMIT_LONG_NAME)
+ write_varint30(f, l2);
+ else
+ write_byte(f, l2);
+ write_buf(f, fname + l1, l2);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (first_hlink_ndx >= 0) {
+ write_varint(f, first_hlink_ndx);
+ if (first_hlink_ndx >= first_ndx)
+ goto the_end;
+ }
+#endif
+
+ write_varlong30(f, F_LENGTH(file), 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30)
+ write_varlong(f, modtime, 4);
+ else
+ write_int(f, modtime);
+ }
+ if (xflags & XMIT_MOD_NSEC)
+ write_varint(f, F_MOD_NSEC(file));
+ if (!(xflags & XMIT_SAME_MODE))
+ write_int(f, to_wire_mode(mode));
+ if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ write_int(f, uid);
+ else {
+ write_varint(f, uid);
+ if (xflags & XMIT_USER_NAME_FOLLOWS) {
+ int len = strlen(user_name);
+ write_byte(f, len);
+ write_buf(f, user_name, len);
+ }
+ }
+ }
+ if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ write_int(f, gid);
+ else {
+ write_varint(f, gid);
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
+ int len = strlen(group_name);
+ write_byte(f, len);
+ write_buf(f, group_name, len);
+ }
+ }
+ }
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) {
+ if (protocol_version < 28) {
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
+ write_int(f, (int)rdev);
+ } else {
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ write_varint30(f, major(rdev));
+ if (protocol_version >= 30)
+ write_varint(f, minor(rdev));
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
+ write_byte(f, minor(rdev));
+ else
+ write_int(f, minor(rdev));
+ }
+ }
+
+#ifdef SUPPORT_LINKS
+ if (symlink_len) {
+ write_varint30(f, symlink_len);
+ write_buf(f, symlink_name, symlink_len);
+ }
+#endif
+
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_dev != 0 && protocol_version < 30) {
+ if (protocol_version < 26) {
+ /* 32-bit dev_t and ino_t */
+ write_int(f, (int32)dev);
+ write_int(f, (int32)tmp_ino);
+ } else {
+ /* 64-bit dev_t and ino_t */
+ if (!(xflags & XMIT_SAME_DEV_pre30))
+ write_longint(f, dev);
+ write_longint(f, tmp_ino);
+ }
+ }
+#endif
+
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ const char *sum;
+ if (S_ISREG(mode))
+ sum = tmp_sum;
+ else {
+ /* Prior to 28, we sent a useless set of nulls. */
+ sum = empty_sum;
+ }
+ write_buf(f, sum, checksum_len);
+ }
+
+#ifdef SUPPORT_HARD_LINKS
+ the_end:
+#endif
+ strlcpy(lastname, fname, MAXPATHLEN);
+
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += F_LENGTH(file);
+}
+
+static struct file_struct *recv_file_entry(int f, struct file_list *flist, int xflags)
+{
+ static int64 modtime;
+ static mode_t mode;
+#ifdef SUPPORT_HARD_LINKS
+ static int64 dev;
+#endif
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static uint16 gid_flags;
+ 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, linkname_len;
+ int extra_len = file_extra_cnt * EXTRA_LEN;
+ int first_hlink_ndx = -1;
+ int64 file_length;
+ uint32 modtime_nsec;
+ const char *basename;
+ struct file_struct *file;
+ alloc_pool_t *pool;
+ char *bp;
+
+ if (xflags & XMIT_SAME_NAME)
+ l1 = read_byte(f);
+
+ if (xflags & XMIT_LONG_NAME)
+ l2 = read_varint30(f);
+ else
+ l2 = read_byte(f);
+
+ if (l2 >= MAXPATHLEN - l1) {
+ rprintf(FERROR,
+ "overflow: xflags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
+ xflags, l1, l2, lastname, who_am_i());
+ overflow_exit("recv_file_entry");
+ }
+
+ strlcpy(thisname, lastname, l1 + 1);
+ read_sbuf(f, &thisname[l1], l2);
+ thisname[l1 + l2] = 0;
+
+ /* Abuse basename_len for a moment... */
+ basename_len = strlcpy(lastname, thisname, MAXPATHLEN);
+
+#ifdef ICONV_OPTION
+ if (ic_recv != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
+
+ INIT_CONST_XBUF(outbuf, thisname);
+ INIT_XBUF(inbuf, lastname, basename_len, (size_t)-1);
+
+ if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_UTF8,
+ "[%s] cannot convert filename: %s (%s)\n",
+ who_am_i(), lastname, strerror(errno));
+ outbuf.len = 0;
+ }
+ thisname[outbuf.len] = '\0';
+ }
+#endif
+
+ if (*thisname)
+ clean_fname(thisname, 0);
+
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
+
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ lastdir_depth = count_dir_elements(lastdir);
+ }
+ } else
+ basename = thisname;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (protocol_version >= 30
+ && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
+ first_hlink_ndx = read_varint(f);
+ if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->ndx_start + flist->used) {
+ rprintf(FERROR,
+ "hard-link reference out of range: %d (%d)\n",
+ first_hlink_ndx, flist->ndx_start + flist->used);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (DEBUG_GTE(HLINK, 1)) {
+ rprintf(FINFO, "[%s] #%d hard-links #%d (%sabbrev)\n",
+ who_am_i(), flist->used+flist->ndx_start, first_hlink_ndx,
+ first_hlink_ndx >= flist->ndx_start ? "" : "un");
+ }
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ file_length = F_LENGTH(first);
+ modtime = first->modtime;
+ modtime_nsec = F_MOD_NSEC(first);
+ mode = first->mode;
+ if (preserve_uid)
+ uid = F_OWNER(first);
+ if (preserve_gid)
+ gid = F_GROUP(first);
+ if (preserve_devices && IS_DEVICE(mode)) {
+ uint32 *devp = F_RDEV_P(first);
+ rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ if (preserve_links && S_ISLNK(mode))
+ linkname_len = strlen(F_SYMLINK(first)) + 1;
+ else
+ linkname_len = 0;
+ goto create_object;
+ }
+ }
+#endif
+
+ file_length = read_varlong30(f, 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30) {
+ modtime = read_varlong(f, 4);
+#if SIZEOF_TIME_T < SIZEOF_INT64
+ if (!am_generator && (int64)(time_t)modtime != modtime) {
+ rprintf(FERROR_XFER,
+ "Time value of %s truncated on receiver.\n",
+ lastname);
+ }
+#endif
+ } else
+ modtime = read_int(f);
+ }
+ if (xflags & XMIT_MOD_NSEC)
+ modtime_nsec = read_varint(f);
+ else
+ modtime_nsec = 0;
+ if (!(xflags & XMIT_SAME_MODE))
+ mode = from_wire_mode(read_int(f));
+
+ if (chmod_modes && !S_ISLNK(mode) && mode)
+ mode = tweak_mode(mode, chmod_modes);
+
+ if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ uid = (uid_t)read_int(f);
+ else {
+ uid = (uid_t)read_varint(f);
+ if (xflags & XMIT_USER_NAME_FOLLOWS)
+ uid = recv_user_name(f, uid);
+ else if (inc_recurse && am_root && (!numeric_ids || usermap))
+ uid = match_uid(uid);
+ }
+ }
+ if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ gid = (gid_t)read_int(f);
+ else {
+ gid = (gid_t)read_varint(f);
+ gid_flags = 0;
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS)
+ gid = recv_group_name(f, gid, &gid_flags);
+ else if (inc_recurse && (!am_root || !numeric_ids || groupmap))
+ gid = match_gid(gid, &gid_flags);
+ }
+ }
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) {
+ if (protocol_version < 28) {
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
+ rdev = (dev_t)read_int(f);
+ } else {
+ uint32 rdev_minor;
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_varint30(f);
+ if (protocol_version >= 30)
+ rdev_minor = read_varint(f);
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = MAKEDEV(rdev_major, rdev_minor);
+ }
+ if (IS_DEVICE(mode))
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ file_length = 0;
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(mode)) {
+ linkname_len = read_varint30(f) + 1; /* count the '\0' */
+ if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ rprintf(FERROR, "overflow: linkname_len=%d\n",
+ linkname_len - 1);
+ overflow_exit("recv_file_entry");
+ }
+#ifdef ICONV_OPTION
+ /* We don't know how much extra room we need to convert
+ * the as-yet-unread symlink data, so let's hope that a
+ * double-size buffer is plenty. */
+ if (sender_symlink_iconv)
+ linkname_len *= 2;
+#endif
+ if (munge_symlinks)
+ linkname_len += SYMLINK_PREFIX_LEN;
+ }
+ else
+#endif
+ linkname_len = 0;
+
+#ifdef SUPPORT_HARD_LINKS
+ create_object:
+ if (preserve_hard_links) {
+ if (protocol_version < 28 && S_ISREG(mode))
+ xflags |= XMIT_HLINKED;
+ if (xflags & XMIT_HLINKED)
+ extra_len += (inc_recurse+1) * EXTRA_LEN;
+ }
+#endif
+
+#ifdef SUPPORT_ACLS
+ /* Directories need an extra int32 for the default ACL. */
+ if (preserve_acls && S_ISDIR(mode))
+ extra_len += EXTRA_LEN;
+#endif
+
+ if (always_checksum && S_ISREG(mode))
+ extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
+
+#if SIZEOF_INT64 >= 8
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
+ extra_len += EXTRA_LEN;
+#endif
+#ifdef HAVE_UTIMENSAT
+ if (modtime_nsec)
+ extra_len += EXTRA_LEN;
+#endif
+ if (file_length < 0) {
+ rprintf(FERROR, "Offset underflow: file-length is negative\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+ }
+
+ if (inc_recurse && S_ISDIR(mode)) {
+ if (one_file_system) {
+ /* Room to save the dir's device for -x */
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ pool = dir_flist->file_pool;
+ } else
+ pool = flist->file_pool;
+
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ bp = pool_alloc(pool, alloc_len, "recv_file_entry");
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (xflags & XMIT_HLINKED)
+ file->flags |= FLAG_HLINKED;
+#endif
+ file->modtime = (time_t)modtime;
+#ifdef HAVE_UTIMENSAT
+ if (modtime_nsec) {
+ file->flags |= FLAG_MOD_NSEC;
+ OPT_EXTRA(file, 0)->unum = modtime_nsec;
+ }
+#endif
+ file->len32 = (uint32)file_length;
+#if SIZEOF_INT64 >= 8
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
+#if SIZEOF_CAPITAL_OFF_T < 8
+ rprintf(FERROR, "Offset overflow: attempted 64-bit file-length\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+#else
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(file_length >> 32);
+#endif
+ }
+#endif
+ file->mode = mode;
+ if (preserve_uid)
+ F_OWNER(file) = uid;
+ if (preserve_gid) {
+ F_GROUP(file) = gid;
+ file->flags |= gid_flags;
+ }
+ if (unsort_ndx)
+ F_NDX(file) = flist->used + flist->ndx_start;
+
+ if (basename != thisname) {
+ file->dirname = lastdir;
+ F_DEPTH(file) = lastdir_depth + 1;
+ } else
+ F_DEPTH(file) = 1;
+
+ if (S_ISDIR(mode)) {
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
+ F_DEPTH(file)--;
+ if (protocol_version >= 30) {
+ if (!(xflags & XMIT_NO_CONTENT_DIR)) {
+ if (xflags & XMIT_TOP_DIR)
+ file->flags |= FLAG_TOP_DIR;
+ file->flags |= FLAG_CONTENT_DIR;
+ } else if (xflags & XMIT_TOP_DIR)
+ file->flags |= FLAG_IMPLIED_DIR;
+ } else if (xflags & XMIT_TOP_DIR) {
+ in_del_hier = recurse;
+ del_hier_name_len = F_DEPTH(file) == 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_CONTENT_DIR;
+ } 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_CONTENT_DIR;
+ else
+ in_del_hier = 0;
+ }
+ }
+
+ if (preserve_devices && IS_DEVICE(mode)) {
+ uint32 *devp = F_RDEV_P(file);
+ DEV_MAJOR(devp) = major(rdev);
+ DEV_MINOR(devp) = minor(rdev);
+ }
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ bp += basename_len;
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ memcpy(bp, F_SYMLINK(first), linkname_len);
+ } else {
+ if (munge_symlinks) {
+ strlcpy(bp, SYMLINK_PREFIX, linkname_len);
+ bp += SYMLINK_PREFIX_LEN;
+ linkname_len -= SYMLINK_PREFIX_LEN;
+ }
+#ifdef ICONV_OPTION
+ if (sender_symlink_iconv) {
+ xbuf outbuf, inbuf;
+
+ alloc_len = linkname_len;
+ linkname_len /= 2;
+
+ /* Read the symlink data into the end of our double-sized
+ * buffer and then convert it into the right spot. */
+ INIT_XBUF(inbuf, bp + alloc_len - linkname_len,
+ linkname_len - 1, (size_t)-1);
+ read_sbuf(f, inbuf.buf, inbuf.len);
+ INIT_XBUF(outbuf, bp, 0, alloc_len);
+
+ if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER,
+ "[%s] cannot convert symlink data for: %s (%s)\n",
+ who_am_i(), full_fname(thisname), strerror(errno));
+ bp = (char*)file->basename;
+ *bp++ = '\0';
+ outbuf.len = 0;
+ }
+ bp[outbuf.len] = '\0';
+ } else
+#endif
+ read_sbuf(f, bp, linkname_len - 1);
+ if (sanitize_paths && !munge_symlinks && *bp)
+ sanitize_path(bp, bp, "", lastdir_depth, SP_DEFAULT);
+ }
+ }
+#endif
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && xflags & XMIT_HLINKED) {
+ if (protocol_version >= 30) {
+ if (xflags & XMIT_HLINK_FIRST) {
+ F_HL_GNUM(file) = flist->ndx_start + flist->used;
+ } else
+ F_HL_GNUM(file) = first_hlink_ndx;
+ } else {
+ static int32 cnt = 0;
+ struct ht_int64_node *np;
+ int64 ino;
+ int32 ndx;
+ if (protocol_version < 26) {
+ dev = read_int(f);
+ ino = read_int(f);
+ } else {
+ if (!(xflags & XMIT_SAME_DEV_pre30))
+ dev = read_longint(f);
+ ino = read_longint(f);
+ }
+ np = idev_find(dev, ino);
+ ndx = (int32)(long)np->data - 1;
+ if (ndx < 0) {
+ ndx = cnt++;
+ np->data = (void*)(long)cnt;
+ }
+ F_HL_GNUM(file) = ndx;
+ }
+ }
+#endif
+
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ if (S_ISREG(mode))
+ bp = F_SUM(file);
+ else {
+ /* Prior to 28, we get a useless set of nulls. */
+ bp = tmp_sum;
+ }
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ memcpy(bp, F_SUM(first), checksum_len);
+ } else
+ read_buf(f, bp, checksum_len);
+ }
+
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(mode))
+ receive_acl(f, file);
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ receive_xattr(f, file);
+#endif
+
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += file_length;
+
+ return file;
+}
+
+/* Create a file_struct for a named file by reading its stat() information
+ * and performing extensive checks against global options.
+ *
+ * Returns a pointer to the new file struct, or NULL if there was an error
+ * or this file should be excluded.
+ *
+ * Note: Any error (here or in send_file_name) that results in the omission of
+ * an existent source file from the file list should set
+ * "io_error |= IOERR_GENERAL" to avoid deletion of the file from the
+ * destination if --delete is on. */
+struct file_struct *make_file(const char *fname, struct file_list *flist,
+ STRUCT_STAT *stp, int flags, int filter_level)
+{
+ static char *lastdir;
+ static int lastdir_len = -1;
+ struct file_struct *file;
+ char thisname[MAXPATHLEN];
+ char linkname[MAXPATHLEN];
+ int alloc_len, basename_len, linkname_len;
+ int extra_len = file_extra_cnt * EXTRA_LEN;
+ const char *basename;
+ alloc_pool_t *pool;
+ STRUCT_STAT st;
+ char *bp;
+
+ if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER, "skipping overly long name: %s\n", fname);
+ return NULL;
+ }
+ clean_fname(thisname, 0);
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
+
+ if (stp && (S_ISDIR(stp->st_mode) || stp->st_mode == 0)) {
+ /* This is needed to handle a "symlink/." with a --relative
+ * dir, or a request to delete a specific file. */
+ st = *stp;
+ *linkname = '\0'; /* make IBM code checker happy */
+ } else if (readlink_stat(thisname, &st, linkname) != 0) {
+ int save_errno = errno;
+ /* See if file is excluded before reporting an error. */
+ if (filter_level != NO_FILTERS
+ && (is_excluded(thisname, 0, filter_level)
+ || is_excluded(thisname, 1, filter_level))) {
+ if (ignore_perishable && save_errno != ENOENT)
+ non_perishable_cnt++;
+ return NULL;
+ }
+ if (save_errno == ENOENT) {
+#ifdef SUPPORT_LINKS
+ /* When our options tell us to follow a symlink that
+ * points nowhere, tell the user about the symlink
+ * instead of giving a "vanished" message. We only
+ * dereference a symlink if one of the --copy*links
+ * options was specified, so there's no need for the
+ * extra lstat() if one of these options isn't on. */
+ if ((copy_links || copy_unsafe_links || copy_dirlinks)
+ && x_lstat(thisname, &st, NULL) == 0
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FWARNING;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
+ }
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, save_errno, "readlink_stat(%s) failed",
+ full_fname(thisname));
+ }
+ return NULL;
+ } else if (st.st_mode == 0) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO, "skipping file with bogus (zero) st_mode: %s\n",
+ full_fname(thisname));
+ return NULL;
+ }
+
+ if (filter_level == NO_FILTERS)
+ goto skip_filters;
+
+ if (S_ISDIR(st.st_mode)) {
+ if (!xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", thisname);
+ return NULL;
+ }
+ /* -x only affects dirs because we need to avoid recursing
+ * into a mount-point directory, not to avoid copying a
+ * symlinked file if -L (or similar) was specified. */
+ if (one_file_system && st.st_dev != filesystem_dev
+ && BITS_SETnUNSET(flags, FLAG_CONTENT_DIR, FLAG_TOP_DIR)) {
+ if (one_file_system > 1) {
+ if (INFO_GTE(MOUNT, 1)) {
+ rprintf(FINFO,
+ "[%s] skipping mount-point dir %s\n",
+ who_am_i(), thisname);
+ }
+ return NULL;
+ }
+ flags |= FLAG_MOUNT_DIR;
+ flags &= ~FLAG_CONTENT_DIR;
+ }
+ } else
+ flags &= ~FLAG_CONTENT_DIR;
+
+ if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
+ if (ignore_perishable)
+ non_perishable_cnt++;
+ return NULL;
+ }
+
+ if (lp_ignore_nonreadable(module_id)) {
+#ifdef SUPPORT_LINKS
+ if (!S_ISLNK(st.st_mode))
+#endif
+ if (access(thisname, R_OK) != 0)
+ return NULL;
+ }
+
+ skip_filters:
+
+ /* Only divert a directory in the main transfer. */
+ if (flist) {
+ if (flist->prev && S_ISDIR(st.st_mode)
+ && flags & FLAG_DIVERT_DIRS) {
+ /* Room for parent/sibling/next-child info. */
+ extra_len += DIRNODE_EXTRA_CNT * EXTRA_LEN;
+ if (relative_paths)
+ extra_len += PTR_EXTRA_CNT * EXTRA_LEN;
+ pool = dir_flist->file_pool;
+ } else
+ pool = flist->file_pool;
+ } else {
+#ifdef SUPPORT_ACLS
+ /* Directories need an extra int32 for the default ACL. */
+ if (preserve_acls && S_ISDIR(st.st_mode))
+ extra_len += EXTRA_LEN;
+#endif
+ pool = NULL;
+ }
+
+ if (DEBUG_GTE(FLIST, 2)) {
+ rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
+ who_am_i(), thisname, filter_level);
+ }
+
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ }
+ } else
+ basename = thisname;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+#ifdef SUPPORT_LINKS
+ linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
+#else
+ linkname_len = 0;
+#endif
+
+#ifdef ST_MTIME_NSEC
+ if (st.ST_MTIME_NSEC && protocol_version >= 31)
+ extra_len += EXTRA_LEN;
+#endif
+#if SIZEOF_CAPITAL_OFF_T >= 8
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
+ extra_len += EXTRA_LEN;
+#endif
+
+ if (always_checksum && am_sender && S_ISREG(st.st_mode)) {
+ file_checksum(thisname, tmp_sum, st.st_size);
+ if (sender_keeps_checksum)
+ extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
+ }
+
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ if (pool)
+ bp = pool_alloc(pool, alloc_len, "make_file");
+ else {
+ if (!(bp = new_array(char, alloc_len)))
+ out_of_memory("make_file");
+ }
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flist && flist->prev) {
+ if (protocol_version >= 28
+ ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
+ : S_ISREG(st.st_mode)) {
+ tmp_dev = (int64)st.st_dev + 1;
+ tmp_ino = (int64)st.st_ino;
+ } else
+ tmp_dev = 0;
+ }
+#endif
+
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+ if (IS_DEVICE(st.st_mode)) {
+ tmp_rdev = st.st_rdev;
+ st.st_size = 0;
+ } else if (IS_SPECIAL(st.st_mode))
+ st.st_size = 0;
+#endif
+
+ file->flags = flags;
+ file->modtime = st.st_mtime;
+#ifdef ST_MTIME_NSEC
+ if (st.ST_MTIME_NSEC && protocol_version >= 31) {
+ file->flags |= FLAG_MOD_NSEC;
+ OPT_EXTRA(file, 0)->unum = st.ST_MTIME_NSEC;
+ }
+#endif
+ file->len32 = (uint32)st.st_size;
+#if SIZEOF_CAPITAL_OFF_T >= 8
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(st.st_size >> 32);
+ }
+#endif
+ file->mode = st.st_mode;
+ if (uid_ndx) /* Check uid_ndx instead of preserve_uid for del support */
+ F_OWNER(file) = st.st_uid;
+ if (gid_ndx) /* Check gid_ndx instead of preserve_gid for del support */
+ F_GROUP(file) = st.st_gid;
+
+ if (basename != thisname)
+ file->dirname = lastdir;
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len)
+ memcpy(bp + basename_len, linkname, linkname_len);
+#endif
+
+ if (am_sender)
+ F_PATHNAME(file) = pathname;
+ else if (!pool)
+ F_DEPTH(file) = extra_len / EXTRA_LEN;
+
+ if (basename_len == 0+1) {
+ if (!pool)
+ unmake_file(file);
+ return NULL;
+ }
+
+ if (sender_keeps_checksum && S_ISREG(st.st_mode))
+ memcpy(F_SUM(file), tmp_sum, checksum_len);
+
+ if (unsort_ndx)
+ F_NDX(file) = stats.num_dirs;
+
+ return file;
+}
+
+/* Only called for temporary file_struct entries created by make_file(). */
+void unmake_file(struct file_struct *file)
+{
+ free(REQ_EXTRA(file, F_DEPTH(file)));
+}
+
+static struct file_struct *send_file_name(int f, struct file_list *flist,
+ const char *fname, STRUCT_STAT *stp,
+ int flags, int filter_level)
+{
+ struct file_struct *file;
+
+ file = make_file(fname, flist, stp, flags, filter_level);
+ if (!file)
+ return NULL;
+
+ if (chmod_modes && !S_ISLNK(file->mode) && file->mode)
+ file->mode = tweak_mode(file->mode, chmod_modes);
+
+ if (f >= 0) {
+ char fbuf[MAXPATHLEN];
+#ifdef SUPPORT_LINKS
+ const char *symlink_name;
+ int symlink_len;
+#ifdef ICONV_OPTION
+ char symlink_buf[MAXPATHLEN];
+#endif
+#endif
+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
+ stat_x sx;
+ init_stat_x(&sx);
+#endif
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(file->mode)) {
+ symlink_name = F_SYMLINK(file);
+ symlink_len = strlen(symlink_name);
+ if (symlink_len == 0) {
+ io_error |= IOERR_GENERAL;
+ f_name(file, fbuf);
+ rprintf(FERROR_XFER,
+ "skipping symlink with 0-length value: %s\n",
+ full_fname(fbuf));
+ return NULL;
+ }
+ } else {
+ symlink_name = NULL;
+ symlink_len = 0;
+ }
+#endif
+
+#ifdef ICONV_OPTION
+ if (ic_send != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
+
+ INIT_CONST_XBUF(outbuf, fbuf);
+
+ if (file->dirname) {
+ INIT_XBUF_STRLEN(inbuf, (char*)file->dirname);
+ outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0)
+ goto convert_error;
+ outbuf.size += 2;
+ fbuf[outbuf.len++] = '/';
+ }
+
+ INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) {
+ convert_error:
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER,
+ "[%s] cannot convert filename: %s (%s)\n",
+ who_am_i(), f_name(file, fbuf), strerror(errno));
+ return NULL;
+ }
+ fbuf[outbuf.len] = '\0';
+
+#ifdef SUPPORT_LINKS
+ if (symlink_len && sender_symlink_iconv) {
+ INIT_XBUF(inbuf, (char*)symlink_name, symlink_len, (size_t)-1);
+ INIT_CONST_XBUF(outbuf, symlink_buf);
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) {
+ io_error |= IOERR_GENERAL;
+ f_name(file, fbuf);
+ rprintf(FERROR_XFER,
+ "[%s] cannot convert symlink data for: %s (%s)\n",
+ who_am_i(), full_fname(fbuf), strerror(errno));
+ return NULL;
+ }
+ symlink_buf[outbuf.len] = '\0';
+
+ symlink_name = symlink_buf;
+ symlink_len = outbuf.len;
+ }
+#endif
+ } else
+#endif
+ f_name(file, fbuf);
+
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode)) {
+ sx.st.st_mode = file->mode;
+ if (get_acl(fname, &sx) < 0) {
+ io_error |= IOERR_GENERAL;
+ return NULL;
+ }
+ }
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs) {
+ sx.st.st_mode = file->mode;
+ if (get_xattr(fname, &sx) < 0) {
+ io_error |= IOERR_GENERAL;
+ return NULL;
+ }
+ }
+#endif
+
+ send_file_entry(f, fbuf, file,
+#ifdef SUPPORT_LINKS
+ symlink_name, symlink_len,
+#endif
+ flist->used, flist->ndx_start);
+
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode)) {
+ send_acl(f, &sx);
+ free_acl(&sx);
+ }
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs) {
+ F_XATTR(file) = send_xattr(f, &sx);
+ free_xattr(&sx);
+ }
+#endif
+ }
+
+ maybe_emit_filelist_progress(flist->used + flist_count_offset);
+
+ flist_expand(flist, 1);
+ flist->files[flist->used++] = file;
+
+ return file;
+}
+
+static void send_if_directory(int f, struct file_list *flist,
+ struct file_struct *file,
+ char *fbuf, unsigned int ol,
+ int flags)
+{
+ char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
+
+ if (S_ISDIR(file->mode)
+ && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
+ void *save_filters;
+ unsigned int len = strlen(fbuf);
+ if (len > 1 && fbuf[len-1] == '/')
+ fbuf[--len] = '\0';
+ if (len >= MAXPATHLEN - 1) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER, "skipping long-named directory: %s\n",
+ full_fname(fbuf));
+ return;
+ }
+ save_filters = push_local_filters(fbuf, len);
+ send_directory(f, flist, fbuf, len, flags);
+ pop_local_filters(save_filters);
+ fbuf[ol] = '\0';
+ if (is_dot_dir)
+ fbuf[ol-1] = '.';
+ }
+}
+
+static int file_compare(const void *file1, const void *file2)
+{
+ return f_name_cmp(*(struct file_struct **)file1,
+ *(struct file_struct **)file2);
+}
+
+/* The guts of a merge-sort algorithm. This was derived from the glibc
+ * version, but I (Wayne) changed the merge code to do less copying and
+ * to require only half the amount of temporary memory. */
+static void fsort_tmp(struct file_struct **fp, size_t num,
+ struct file_struct **tmp)