Moved inline functions from rsync.h into ifuncs.h.
[rsync/rsync.git] / flist.c
diff --git a/flist.c b/flist.c
index e33cd58..42518d9 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -21,6 +21,7 @@
  */
 
 #include "rsync.h"
+#include "ifuncs.h"
 #include "rounding.h"
 #include "io.h"
 
@@ -52,6 +53,7 @@ extern int preserve_devices;
 extern int preserve_specials;
 extern int uid_ndx;
 extern int gid_ndx;
+extern int eol_nulls;
 extern int relative_paths;
 extern int implied_dirs;
 extern int file_extra_cnt;
@@ -63,6 +65,7 @@ extern int copy_unsafe_links;
 extern int protocol_version;
 extern int sanitize_paths;
 extern struct stats stats;
+extern char *filesfrom_host;
 
 extern char curr_dir[MAXPATHLEN];
 
@@ -73,6 +76,7 @@ extern struct filter_list_struct server_filter_list;
 
 #ifdef ICONV_OPTION
 extern int ic_ndx;
+extern int filesfrom_convert;
 extern int need_unsorted_flist;
 extern iconv_t ic_send, ic_recv;
 #endif
@@ -89,6 +93,18 @@ int flist_cnt = 0; /* how many (non-tmp) file list objects exist */
 int file_total = 0; /* total of all active items over all file-lists */
 int flist_eof = 0; /* all the file-lists are now known */
 
+/* Starting from protocol version 26, we always use 64-bit ino_t and dev_t
+ * internally, even if this platform does not allow files to have 64-bit inums.
+ * The only exception is if we're on a platform with no 64-bit type at all.
+ *
+ * Because we use read_longint() to get these off the wire, if you transfer
+ * devices or (for protocols < 30) hardlinks with dev or inum > 2**32 to a
+ * machine with no 64-bit types then you will get an overflow error.
+ *
+ * Note that if you transfer devices from a 64-bit-devt machine (say, Solaris)
+ * to a 32-bit-devt machine (say, Linux-2.2/x86) then the device numbers will
+ * be truncated.  But it's a kind of silly thing to do anyhow. */
+
 /* The tmp_* vars are used as a cache area by make_file() to store data
  * that the sender doesn't need to remember in its file list.  The data
  * will survive just long enough to be used by send_file_entry(). */
@@ -101,6 +117,7 @@ static char tmp_sum[MAX_DIGEST_LEN];
 static char empty_sum[MAX_DIGEST_LEN];
 static int flist_count_offset; /* for --delete --progress */
 static int dir_count = 0;
+static int high_hlink_ndx;
 
 static void clean_flist(struct file_list *flist, int strip_root);
 static void output_flist(struct file_list *flist);
@@ -296,7 +313,7 @@ static void flist_expand(struct file_list *flist, int extra)
                                flist->malloced);
 
        if (verbose >= 2 && flist->malloced != FLIST_START) {
-               rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n",
+               rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n",
                    who_am_i(),
                    (double)sizeof flist->files[0] * flist->malloced,
                    (new_ptr == flist->files) ? " not" : "");
@@ -344,7 +361,7 @@ int push_pathname(const char *dir, int len)
        return 1;
 }
 
-static void send_file_entry(int f, struct file_struct *file, int ndx)
+static void send_file_entry(int f, struct file_struct *file, int ndx, int first_ndx)
 {
        static time_t modtime;
        static mode_t mode;
@@ -358,26 +375,25 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
        char fname[MAXPATHLEN];
        int first_hlink_ndx = -1;
        int l1, l2;
-       int flags;
+       int xflags;
 
 #ifdef ICONV_OPTION
        if (ic_send != (iconv_t)-1) {
-               ICONV_CONST char *ibuf;
-               char *obuf = fname;
-               size_t ocnt = MAXPATHLEN, icnt;
-
-               iconv(ic_send, NULL,0, NULL,0);
-               if ((ibuf = (ICONV_CONST char *)file->dirname) != NULL) {
-                   icnt = strlen(ibuf);
-                   ocnt--; /* pre-subtract the space for the '/' */
-                   if (iconv(ic_send, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1)
-                       goto convert_error;
-                   *obuf++ = '/';
-               }
-
-               ibuf = (ICONV_CONST char *)file->basename;
-               icnt = strlen(ibuf);
-               if (iconv(ic_send, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1) {
+               xbuf outbuf, inbuf;
+
+               INIT_CONST_XBUF(outbuf, fname);
+
+               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, 0) < 0)
+                               goto convert_error;
+                       outbuf.size += 2;
+                       outbuf.buf[outbuf.len++] = '/';
+               }
+
+               INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
+               if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
                  convert_error:
                        io_error |= IOERR_GENERAL;
                        rprintf(FINFO,
@@ -385,81 +401,86 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
                            who_am_i(), f_name(file, fname), strerror(errno));
                        return;
                }
-               *obuf = '\0';
+               outbuf.buf[outbuf.len] = '\0';
        } else
 #endif
                f_name(file, fname);
 
-       flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+       xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
 
        if (file->mode == mode)
-               flags |= XMIT_SAME_MODE;
+               xflags |= XMIT_SAME_MODE;
        else
                mode = file->mode;
+
+       if (protocol_version >= 30 && S_ISDIR(mode) && !(file->flags & FLAG_XFER_DIR))
+               xflags |= XMIT_NON_XFER_DIR;
+
        if ((preserve_devices && IS_DEVICE(mode))
         || (preserve_specials && IS_SPECIAL(mode))) {
                if (protocol_version < 28) {
                        if (tmp_rdev == rdev)
-                               flags |= XMIT_SAME_RDEV_pre28;
+                               xflags |= XMIT_SAME_RDEV_pre28;
                        else
                                rdev = tmp_rdev;
                } else {
                        rdev = tmp_rdev;
                        if ((uint32)major(rdev) == rdev_major)
-                               flags |= XMIT_SAME_RDEV_MAJOR;
+                               xflags |= XMIT_SAME_RDEV_MAJOR;
                        else
                                rdev_major = major(rdev);
                        if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
-                               flags |= XMIT_RDEV_MINOR_8_pre30;
+                               xflags |= XMIT_RDEV_MINOR_8_pre30;
                }
        } else if (protocol_version < 28)
                rdev = MAKEDEV(0, 0);
        if (uid_ndx) {
                if ((uid_t)F_OWNER(file) == uid && *lastname)
-                       flags |= XMIT_SAME_UID;
+                       xflags |= XMIT_SAME_UID;
                else {
                        uid = F_OWNER(file);
                        if (uid_ndx && !numeric_ids) {
                                user_name = add_uid(uid);
                                if (inc_recurse && user_name)
-                                       flags |= XMIT_USER_NAME_FOLLOWS;
+                                       xflags |= XMIT_USER_NAME_FOLLOWS;
                        }
                }
        }
        if (gid_ndx) {
                if ((gid_t)F_GROUP(file) == gid && *lastname)
-                       flags |= XMIT_SAME_GID;
+                       xflags |= XMIT_SAME_GID;
                else {
                        gid = F_GROUP(file);
                        if (gid_ndx && !numeric_ids) {
                                group_name = add_gid(gid);
                                if (inc_recurse && group_name)
-                                       flags |= XMIT_GROUP_NAME_FOLLOWS;
+                                       xflags |= XMIT_GROUP_NAME_FOLLOWS;
                        }
                }
        }
        if (file->modtime == modtime)
-               flags |= XMIT_SAME_TIME;
+               xflags |= XMIT_SAME_TIME;
        else
                modtime = file->modtime;
 
 #ifdef SUPPORT_HARD_LINKS
        if (tmp_dev != 0) {
                if (protocol_version >= 30) {
-                       struct idev_node *np = idev_node(tmp_dev, tmp_ino);
+                       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)(ndx + 1);
-                               flags |= XMIT_HLINK_FIRST;
+                               high_hlink_ndx = ndx + first_ndx;
+                               np->data = (void*)(long)(high_hlink_ndx + 1);
+                               xflags |= XMIT_HLINK_FIRST;
                        }
-                       flags |= XMIT_HLINKED;
+                       xflags |= XMIT_HLINKED;
                } else {
                        if (tmp_dev == dev) {
                                if (protocol_version >= 28)
-                                       flags |= XMIT_SAME_DEV_pre30;
+                                       xflags |= XMIT_SAME_DEV_pre30;
                        } else
                                dev = tmp_dev;
-                       flags |= XMIT_HLINKED;
+                       xflags |= XMIT_HLINKED;
                }
        }
 #endif
@@ -470,67 +491,68 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
        l2 = strlen(fname+l1);
 
        if (l1 > 0)
-               flags |= XMIT_SAME_NAME;
+               xflags |= XMIT_SAME_NAME;
        if (l2 > 255)
-               flags |= XMIT_LONG_NAME;
+               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 (!flags && !S_ISDIR(mode))
-                       flags |= XMIT_TOP_DIR;
-               if ((flags & 0xFF00) || !flags) {
-                       flags |= XMIT_EXTENDED_FLAGS;
-                       write_shortint(f, flags);
+               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, flags);
+                       write_byte(f, xflags);
        } else {
-               if (!(flags & 0xFF))
-                       flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
-               write_byte(f, flags);
+               if (!(xflags & 0xFF))
+                       xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
+               write_byte(f, xflags);
        }
-       if (flags & XMIT_SAME_NAME)
+       if (xflags & XMIT_SAME_NAME)
                write_byte(f, l1);
-       if (flags & XMIT_LONG_NAME)
+       if (xflags & XMIT_LONG_NAME)
                write_varint30(f, l2);
        else
                write_byte(f, l2);
        write_buf(f, fname + l1, l2);
 
        if (first_hlink_ndx >= 0) {
-               write_varint30(f, first_hlink_ndx);
-               goto the_end;
+               write_varint(f, first_hlink_ndx);
+               if (first_hlink_ndx >= first_ndx)
+                       goto the_end;
        }
 
        write_varlong30(f, F_LENGTH(file), 3);
-       if (!(flags & XMIT_SAME_TIME)) {
+       if (!(xflags & XMIT_SAME_TIME)) {
                if (protocol_version >= 30)
                        write_varlong(f, modtime, 4);
                else
                        write_int(f, modtime);
        }
-       if (!(flags & XMIT_SAME_MODE))
+       if (!(xflags & XMIT_SAME_MODE))
                write_int(f, to_wire_mode(mode));
-       if (uid_ndx && !(flags & XMIT_SAME_UID)) {
+       if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
                if (protocol_version < 30)
                        write_int(f, uid);
                else {
                        write_varint(f, uid);
-                       if (flags & XMIT_USER_NAME_FOLLOWS) {
+                       if (xflags & XMIT_USER_NAME_FOLLOWS) {
                                int len = strlen(user_name);
                                write_byte(f, len);
                                write_buf(f, user_name, len);
                        }
                }
        }
-       if (gid_ndx && !(flags & XMIT_SAME_GID)) {
+       if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
                if (protocol_version < 30)
                        write_int(f, gid);
                else {
                        write_varint(f, gid);
-                       if (flags & XMIT_GROUP_NAME_FOLLOWS) {
+                       if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
                                int len = strlen(group_name);
                                write_byte(f, len);
                                write_buf(f, group_name, len);
@@ -540,14 +562,14 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
        if ((preserve_devices && IS_DEVICE(mode))
         || (preserve_specials && IS_SPECIAL(mode))) {
                if (protocol_version < 28) {
-                       if (!(flags & XMIT_SAME_RDEV_pre28))
+                       if (!(xflags & XMIT_SAME_RDEV_pre28))
                                write_int(f, (int)rdev);
                } else {
-                       if (!(flags & XMIT_SAME_RDEV_MAJOR))
+                       if (!(xflags & XMIT_SAME_RDEV_MAJOR))
                                write_varint30(f, major(rdev));
                        if (protocol_version >= 30)
                                write_varint(f, minor(rdev));
-                       else if (flags & XMIT_RDEV_MINOR_8_pre30)
+                       else if (xflags & XMIT_RDEV_MINOR_8_pre30)
                                write_byte(f, minor(rdev));
                        else
                                write_int(f, minor(rdev));
@@ -571,7 +593,7 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
                        write_int(f, (int32)tmp_ino);
                } else {
                        /* 64-bit dev_t and ino_t */
-                       if (!(flags & XMIT_SAME_DEV_pre30))
+                       if (!(xflags & XMIT_SAME_DEV_pre30))
                                write_longint(f, dev);
                        write_longint(f, tmp_ino);
                }
@@ -646,25 +668,19 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 
 #ifdef ICONV_OPTION
        if (ic_recv != (iconv_t)-1) {
-               char *obuf = thisname;
-               ICONV_CONST char *ibuf = (ICONV_CONST char *)lastname;
-               size_t ocnt = MAXPATHLEN, icnt = basename_len;
+               xbuf outbuf, inbuf;
 
-               if (icnt >= MAXPATHLEN) {
-                       errno = E2BIG;
-                       goto convert_error;
-               }
+               INIT_CONST_XBUF(outbuf, thisname);
+               INIT_XBUF(inbuf, lastname, basename_len, -1);
 
-               iconv(ic_recv, NULL,0, NULL,0);
-               if (iconv(ic_recv, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1) {
-                 convert_error:
+               if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
                        io_error |= IOERR_GENERAL;
                        rprintf(FINFO,
                            "[%s] cannot convert filename: %s (%s)\n",
                            who_am_i(), lastname, strerror(errno));
-                       obuf = thisname;
+                       outbuf.len = 0;
                }
-               *obuf = '\0';
+               outbuf.buf[outbuf.len] = '\0';
        }
 #endif
 
@@ -689,33 +705,34 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 #ifdef SUPPORT_HARD_LINKS
        if (protocol_version >= 30
         && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
-               struct file_struct *first;
-               first_hlink_ndx = read_varint30(f);
-               if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->used) {
+               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->used);
+                               first_hlink_ndx, flist->ndx_start + flist->used);
                        exit_cleanup(RERR_PROTOCOL);
                }
-               first = flist->files[first_hlink_ndx];
-               file_length = F_LENGTH(first);
-               modtime = first->modtime;
-               mode = first->mode;
-               if (uid_ndx)
-                       uid = F_OWNER(first);
-               if (gid_ndx)
-                       gid = F_GROUP(first);
-               if ((preserve_devices && IS_DEVICE(mode))
-                || (preserve_specials && IS_SPECIAL(mode))) {
-                       uint32 *devp = F_RDEV_P(first);
-                       rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
-                       extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+               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;
+                       mode = first->mode;
+                       if (uid_ndx)
+                               uid = F_OWNER(first);
+                       if (gid_ndx)
+                               gid = F_GROUP(first);
+                       if ((preserve_devices && IS_DEVICE(mode))
+                        || (preserve_specials && IS_SPECIAL(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;
                }
-               if (preserve_links && S_ISLNK(mode))
-                       linkname_len = strlen(F_SYMLINK(first)) + 1;
-               else
-                       linkname_len = 0;
-               goto create_object;
        }
 #endif
 
@@ -804,7 +821,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                if (protocol_version < 28 && S_ISREG(mode))
                        xflags |= XMIT_HLINKED;
                if (xflags & XMIT_HLINKED)
-                       extra_len += EXTRA_LEN;
+                       extra_len += (inc_recurse+1) * EXTRA_LEN;
        }
 #endif
 
@@ -885,6 +902,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                            && lastname[del_hier_name_len-2] == '/')
                                del_hier_name_len -= 2;
                        file->flags |= FLAG_TOP_DIR | FLAG_XFER_DIR;
+               } else if (protocol_version >= 30) {
+                       if (!(xflags & XMIT_NON_XFER_DIR))
+                               file->flags |= FLAG_XFER_DIR;
                } else if (in_del_hier) {
                        if (!relative_paths || !del_hier_name_len
                         || (l1 >= del_hier_name_len
@@ -905,8 +925,8 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 #ifdef SUPPORT_LINKS
        if (linkname_len) {
                bp = (char*)file->basename + basename_len;
-               if (first_hlink_ndx >= 0) {
-                       struct file_struct *first = flist->files[first_hlink_ndx];
+               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
                        read_sbuf(f, bp, linkname_len - 1);
@@ -918,11 +938,14 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 #ifdef SUPPORT_HARD_LINKS
        if (preserve_hard_links && xflags & XMIT_HLINKED) {
                if (protocol_version >= 30) {
-                       F_HL_GNUM(file) = xflags & XMIT_HLINK_FIRST
-                                       ? flist->used : first_hlink_ndx;
+                       if (xflags & XMIT_HLINK_FIRST) {
+                               high_hlink_ndx = flist->ndx_start + flist->used;
+                               F_HL_GNUM(file) = high_hlink_ndx;
+                       } else
+                               F_HL_GNUM(file) = first_hlink_ndx;
                } else {
                        static int32 cnt = 0;
-                       struct idev_node *np;
+                       struct ht_int64_node *np;
                        int64 ino;
                        int32 ndx;
                        if (protocol_version < 26) {
@@ -933,7 +956,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                                        dev = read_longint(f);
                                ino = read_longint(f);
                        }
-                       np = idev_node(dev, ino);
+                       np = idev_find(dev, ino);
                        ndx = (int32)(long)np->data - 1;
                        if (ndx < 0) {
                                ndx = cnt++;
@@ -951,8 +974,8 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                        /* Prior to 28, we get a useless set of nulls. */
                        bp = tmp_sum;
                }
-               if (first_hlink_ndx >= 0) {
-                       struct file_struct *first = flist->files[first_hlink_ndx];
+               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);
@@ -973,34 +996,24 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
        return file;
 }
 
-/**
- * Create a file_struct for a named file by reading its stat()
- * information and performing extensive checks against global
- * options.
+/* 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.
- **/
+ * Returns a pointer to the new file struct, or NULL if there was an error
+ * or this file should be excluded. */
 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;
-       STRUCT_STAT st;
        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) {
@@ -1053,10 +1066,13 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
        if (filter_level == NO_FILTERS)
                goto skip_filters;
 
-       if (S_ISDIR(st.st_mode) && !xfer_dirs) {
-               rprintf(FINFO, "skipping directory %s\n", thisname);
-               return NULL;
-       }
+       if (S_ISDIR(st.st_mode)) {
+               if (!xfer_dirs) {
+                       rprintf(FINFO, "skipping directory %s\n", thisname);
+                       return NULL;
+               }
+       } else
+               flags &= ~FLAG_XFER_DIR;
 
        /* -x only affects directories because we need to avoid recursing
         * into a mount-point directory, not to avoid copying a symlinked
@@ -1275,7 +1291,7 @@ static struct file_struct *send_file_name(int f, struct file_list *flist,
        flist_expand(flist, 1);
        flist->files[flist->used++] = file;
        if (f >= 0) {
-               send_file_entry(f, file, flist->used - 1);
+               send_file_entry(f, file, flist->used - 1, flist->ndx_start);
 #ifdef SUPPORT_ACLS
                if (preserve_acls && !S_ISLNK(file->mode)) {
                        send_acl(&sx, f);
@@ -1469,6 +1485,13 @@ static void send_directory(int f, struct file_list *flist, char *fbuf, int len,
                                full_fname(fbuf));
                        continue;
                }
+               if (dname[0] == '\0') {
+                       io_error |= IOERR_GENERAL;
+                       rprintf(FINFO,
+                               "cannot send file with empty name in %s\n",
+                               full_fname(fbuf));
+                       continue;
+               }
 
                send_file_name(f, flist, fbuf, NULL, flags, filter_level);
        }
@@ -1527,6 +1550,7 @@ void send_extra_file_list(int f, int at_least)
        while (future_cnt < at_least) {
                struct file_struct *file = dir_flist->sorted[send_dir_ndx];
                int dir_ndx, dstart = dir_count;
+               const char *pathname = F_PATHNAME(file);
                int32 *dp;
 
                flist = flist_new(0, "send_extra_file_list");
@@ -1551,7 +1575,8 @@ void send_extra_file_list(int f, int at_least)
                    && dir_flist->sorted[dir_ndx]->flags & FLAG_DUPLICATE) {
                        send_dir_ndx = dir_ndx;
                        file = dir_flist->sorted[dir_ndx];
-                       send1extra(f, file, flist);
+                       if (F_PATHNAME(file) != pathname)
+                               send1extra(f, file, flist);
                        dp = F_DIR_NODE_P(file);
                }
 
@@ -1619,6 +1644,12 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        int64 start_write;
        int use_ff_fd = 0;
        int flags, disable_buffering;
+       int reading_remotely = filesfrom_host != NULL;
+       int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS)
+#ifdef ICONV_OPTION
+                    | (filesfrom_convert ? RL_CONVERT : 0)
+#endif
+                    | (eol_nulls || reading_remotely ? RL_EOL_NULLS : 0);
 
        rprintf(FLOG, "building file list\n");
        if (show_filelist_p())
@@ -1637,10 +1668,10 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        flist = cur_flist = flist_new(0, "send_file_list");
        if (inc_recurse) {
                dir_flist = flist_new(FLIST_TEMP, "send_file_list");
-               flags = FLAG_DIVERT_DIRS;
+               flags = FLAG_DIVERT_DIRS | FLAG_XFER_DIR;
        } else {
                dir_flist = cur_flist;
-               flags = 0;
+               flags = FLAG_XFER_DIR;
        }
 
        disable_buffering = io_start_buffering_out(f);
@@ -1659,7 +1690,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                int is_dot_dir;
 
                if (use_ff_fd) {
-                       if (read_filesfrom_line(filesfrom_fd, fbuf) == 0)
+                       if (read_line(filesfrom_fd, fbuf, sizeof fbuf, rl_flags) == 0)
                                break;
                        sanitize_path(fbuf, fbuf, "", 0, NULL);
                } else {
@@ -1765,16 +1796,11 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                dirlen = dir ? strlen(dir) : 0;
                if (dirlen != lastdir_len || memcmp(lastdir, dir, dirlen) != 0) {
                        if (!push_pathname(dir ? strdup(dir) : NULL, dirlen))
-                               goto push_error;
+                               continue;
                        lastdir = pathname;
                        lastdir_len = pathname_len;
-               } else if (!push_pathname(lastdir, lastdir_len)) {
-                 push_error:
-                       io_error |= IOERR_GENERAL;
-                       rsyserr(FERROR, errno, "push_dir %s failed in %s",
-                               full_fname(dir), curr_dir);
+               } else if (!push_pathname(lastdir, lastdir_len))
                        continue;
-               }
 
                if (fn != fbuf)
                        memmove(fbuf, fn, len + 1);
@@ -1806,7 +1832,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                        if (fn != p || (*lp && *lp != '/')) {
                                int save_copy_links = copy_links;
                                int save_xfer_dirs = xfer_dirs;
-                               int dir_flags = inc_recurse ? FLAG_DIVERT_DIRS : 0;
+                               int dir_flags = flags & ~FLAG_XFER_DIR;
                                copy_links |= copy_unsafe_links;
                                xfer_dirs = 1;
                                while ((slash = strchr(slash+1, '/')) != 0) {
@@ -1828,7 +1854,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 
                if (recurse || (xfer_dirs && is_dot_dir)) {
                        struct file_struct *file;
-                       int top_flags = FLAG_TOP_DIR | FLAG_XFER_DIR | flags;
+                       int top_flags = FLAG_TOP_DIR | flags;
                        file = send_file_name(f, flist, fbuf, &st,
                                              top_flags, ALL_FILTERS);
                        if (file && !inc_recurse)
@@ -1945,13 +1971,13 @@ struct file_list *recv_file_list(int f)
 
        start_read = stats.total_read;
 
-       flist = flist_new(0, "recv_file_list");
-
 #ifdef SUPPORT_HARD_LINKS
-       if (preserve_hard_links && protocol_version < 30)
+       if (preserve_hard_links && !first_flist)
                init_hard_links();
 #endif
 
+       flist = flist_new(0, "recv_file_list");
+
        if (inc_recurse) {
                if (flist->ndx_start == 0)
                        dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
@@ -2157,12 +2183,10 @@ struct file_list *flist_new(int flags, char *msg)
 {
        struct file_list *flist;
 
-       flist = new(struct file_list);
+       flist = new0(struct file_list);
        if (!flist)
                out_of_memory(msg);
 
-       memset(flist, 0, sizeof flist[0]);
-
        if (flags & FLIST_TEMP) {
                if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0,
                                                out_of_memory, POOL_INTERN)))
@@ -2181,6 +2205,8 @@ struct file_list *flist_new(int flags, char *msg)
                        flist->file_pool = first_flist->file_pool;
 
                        flist->ndx_start = first_flist->prev->ndx_end + 2;
+                       if (flist->ndx_start <= high_hlink_ndx)
+                               flist->ndx_start = high_hlink_ndx + 1;
 
                        flist->prev = first_flist->prev;
                        flist->prev->next = first_flist->prev = flist;
@@ -2279,19 +2305,20 @@ static void clean_flist(struct file_list *flist, int strip_root)
                        int keep, drop;
                        /* If one is a dir and the other is not, we want to
                         * keep the dir because it might have contents in the
-                        * list. */
+                        * list.  Otherwise keep the first one. */
                        if (S_ISDIR(file->mode)) {
                                struct file_struct *fp = flist->sorted[j];
-                               if (!S_ISDIR(fp->mode))
+                               if (!S_ISDIR(fp->mode) || !(fp->flags & FLAG_XFER_DIR))
                                        keep = i, drop = j;
-                               else
+                               else {
+                                       if (am_sender)
+                                               file->flags |= FLAG_DUPLICATE;
                                        keep = j, drop = i;
+                               }
                        } else
                                keep = j, drop = i;
 
-                       if (am_sender)
-                               flist->sorted[drop]->flags |= FLAG_DUPLICATE;
-                       else {
+                       if (!am_sender) {
                                if (verbose > 1) {
                                        rprintf(FINFO,
                                            "removing duplicate name %s from file list (%d)\n",
@@ -2449,6 +2476,8 @@ static void output_flist(struct file_list *flist)
 enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING };
 enum fnc_type { t_PATH, t_ITEM };
 
+static int found_prefix;
+
 /* Compare the names of two file_struct entities, similar to how strcmp()
  * would do if it were operating on the joined strings.
  *
@@ -2464,7 +2493,7 @@ enum fnc_type { t_PATH, t_ITEM };
  * cannot (and never is in the current codebase).  The basename component
  * may be NULL (for a removed item), in which case it is considered to be
  * after any existing item. */
-int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
+int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2)
 {
        int dif;
        const uchar *c1, *c2;
@@ -2569,6 +2598,7 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
                                }
                                /* FALL THROUGH */
                        case s_TRAILING:
+                               found_prefix = 1;
                                if (!*c1)
                                        return 0;
                                type2 = t_ITEM;
@@ -2582,6 +2612,16 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
        return dif;
 }
 
+/* Returns 1 if f1's filename has all of f2's filename as a prefix.  This does
+ * not match if f2's basename is not an exact match of a path element in f1.
+ * E.g. /path/foo is not a prefix of /path/foobar/baz, but /path/foobar is. */
+int f_name_has_prefix(const struct file_struct *f1, const struct file_struct *f2)
+{
+       found_prefix = 0;
+       f_name_cmp(f1, f2);
+       return found_prefix;
+}
+
 char *f_name_buf(void)
 {
        static char names[5][MAXPATHLEN];
@@ -2596,7 +2636,7 @@ char *f_name_buf(void)
  * buffer or one of 5 static buffers if fbuf is NULL.  No size-checking is
  * done because we checked the size when creating the file_struct entry.
  */
-char *f_name(struct file_struct *f, char *fbuf)
+char *f_name(const struct file_struct *f, char *fbuf)
 {
        if (!f || !F_IS_ACTIVE(f))
                return NULL;