Don't set unsigned del_heir_name_len to -1 -- it's only used
[rsync.git] / flist.c
diff --git a/flist.c b/flist.c
index 7c39e5389f8393e68b476fc1d8150be2df4f7948..5fcd54dd1a93cbbf2a9b50e773ec3a12fe7c40e8 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -34,47 +34,53 @@ extern int do_progress;
 extern int am_root;
 extern int am_server;
 extern int am_daemon;
+extern int am_sender;
+extern int delete_during;
 extern int always_checksum;
 extern int module_id;
 extern int ignore_errors;
 extern int numeric_ids;
 
-extern int cvs_exclude;
-
 extern int recurse;
+extern int xfer_dirs;
 extern char curr_dir[MAXPATHLEN];
-extern char *files_from;
+extern unsigned int curr_dir_len;
+extern char *backup_dir;
+extern char *backup_suffix;
 extern int filesfrom_fd;
 
 extern int one_file_system;
+extern int keep_dirlinks;
 extern int preserve_links;
 extern int preserve_hard_links;
 extern int preserve_perms;
 extern int preserve_devices;
 extern int preserve_uid;
 extern int preserve_gid;
-extern int preserve_times;
 extern int relative_paths;
 extern int implied_dirs;
+extern int make_backups;
+extern int backup_suffix_len;
 extern int copy_links;
 extern int copy_unsafe_links;
 extern int protocol_version;
 extern int sanitize_paths;
+extern int delete_excluded;
+extern int max_delete;
+extern int orig_umask;
+extern int list_only;
 
-extern int read_batch;
-extern int write_batch;
-
-extern struct exclude_list_struct exclude_list;
-extern struct exclude_list_struct server_exclude_list;
-extern struct exclude_list_struct local_exclude_list;
+extern struct filter_list_struct filter_list;
+extern struct filter_list_struct server_filter_list;
 
 int io_error;
 
 static char empty_sum[MD4_SUM_LENGTH];
 static unsigned int file_struct_len;
+static struct file_list *received_flist;
 
 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
-static void output_flist(struct file_list *flist);
+static void output_flist(struct file_list *flist, const char *whose_list);
 
 void init_flist(void)
 {
@@ -87,13 +93,13 @@ void init_flist(void)
 
 static int show_filelist_p(void)
 {
-       return verbose && (recurse || files_from) && !am_server;
+       return verbose && xfer_dirs && !am_server;
 }
 
 static void start_filelist_progress(char *kind)
 {
        rprintf(FINFO, "%s ... ", kind);
-       if ((verbose > 1) || do_progress)
+       if (verbose > 1 || do_progress)
                rprintf(FINFO, "\n");
        rflush(FINFO);
 }
@@ -107,7 +113,7 @@ static void emit_filelist_progress(const struct file_list *flist)
 
 static void maybe_emit_filelist_progress(const struct file_list *flist)
 {
-       if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
+       if (do_progress && show_filelist_p() && (flist->count % 100) == 0)
                emit_filelist_progress(flist);
 }
 
@@ -132,9 +138,10 @@ static void list_file_entry(struct file_struct *f)
 {
        char perms[11];
 
-       if (!f->basename)
+       if (!f->basename) {
                /* this can happen if duplicate names were removed */
                return;
+       }
 
        permstring(perms, f->mode);
 
@@ -142,14 +149,16 @@ static void list_file_entry(struct file_struct *f)
        if (preserve_links && S_ISLNK(f->mode)) {
                rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
                        perms,
-                       (double) f->length, timestring(f->modtime),
+                       (double)f->length, timestring(f->modtime),
                        f_name(f), f->u.link);
        } else
 #endif
+       {
                rprintf(FINFO, "%s %11.0f %s %s\n",
                        perms,
-                       (double) f->length, timestring(f->modtime),
+                       (double)f->length, timestring(f->modtime),
                        f_name(f));
+       }
 }
 
 
@@ -167,15 +176,15 @@ static void list_file_entry(struct file_struct *f)
  * @post @p buffer contains information about the link or the
  * referrent as appropriate, if they exist.
  **/
-int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
+static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
 {
 #if SUPPORT_LINKS
        if (copy_links)
                return do_stat(path, buffer);
-       if (do_lstat(path, buffer) == -1)
+       if (link_stat(path, buffer, 0) < 0)
                return -1;
        if (S_ISLNK(buffer->st_mode)) {
-               int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1);
+               int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1);
                if (l == -1)
                        return -1;
                linkbuf[l] = 0;
@@ -193,28 +202,31 @@ int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
 #endif
 }
 
-int link_stat(const char *path, STRUCT_STAT * buffer)
+int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks)
 {
 #if SUPPORT_LINKS
        if (copy_links)
                return do_stat(path, buffer);
-       return do_lstat(path, buffer);
+       if (do_lstat(path, buffer) < 0)
+               return -1;
+       if (follow_dirlinks && S_ISLNK(buffer->st_mode)) {
+               STRUCT_STAT st;
+               if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
+                       *buffer = st;
+       }
+       return 0;
 #else
        return do_stat(path, buffer);
 #endif
 }
 
-/*
- * This function is used to check if a file should be included/excluded
+/* 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
- * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES.
- */
-static int check_exclude_file(char *fname, int is_dir, int exclude_level)
+ * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
+static int is_excluded(char *fname, int is_dir, int filter_level)
 {
-       int rc;
-
 #if 0 /* This currently never happens, so avoid a useless compare. */
-       if (exclude_level == NO_EXCLUDES)
+       if (filter_level == NO_FILTERS)
                return 0;
 #endif
        if (fname) {
@@ -228,16 +240,13 @@ static int check_exclude_file(char *fname, int is_dir, int exclude_level)
                                return 0;
                }
        }
-       if (server_exclude_list.head
-           && check_exclude(&server_exclude_list, fname, is_dir) < 0)
+       if (server_filter_list.head
+           && check_filter(&server_filter_list, fname, is_dir) < 0)
                return 1;
-       if (exclude_level != ALL_EXCLUDES)
+       if (filter_level != ALL_FILTERS)
                return 0;
-       if (exclude_list.head
-           && (rc = check_exclude(&exclude_list, fname, is_dir)) != 0)
-               return rc < 0;
-       if (local_exclude_list.head
-           && check_exclude(&local_exclude_list, fname, is_dir) < 0)
+       if (filter_list.head
+           && check_filter(&filter_list, fname, is_dir) < 0)
                return 1;
        return 0;
 }
@@ -248,7 +257,7 @@ static dev_t filesystem_dev;
 static void set_filesystem(char *fname)
 {
        STRUCT_STAT st;
-       if (link_stat(fname, &st) != 0)
+       if (do_stat(fname, &st) != 0)
                return;
        filesystem_dev = st.st_dev;
 }
@@ -260,14 +269,14 @@ static int to_wire_mode(mode_t mode)
        if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
                return (mode & ~(_S_IFMT)) | 0120000;
 #endif
-       return (int) mode;
+       return (int)mode;
 }
 
 static mode_t from_wire_mode(int mode)
 {
        if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
                return (mode & ~(_S_IFMT)) | _S_IFLNK;
-       return (mode_t) mode;
+       return (mode_t)mode;
 }
 
 
@@ -283,7 +292,7 @@ static int flist_dir_len;
  **/
 void flist_expand(struct file_list *flist)
 {
-       void *new_ptr;
+       struct file_struct **new_ptr;
 
        if (flist->count < flist->malloced)
                return;
@@ -302,21 +311,17 @@ void flist_expand(struct file_list *flist)
        if (flist->malloced < flist->count)
                flist->malloced = flist->count;
 
-       if (flist->files) {
-               new_ptr = realloc_array(flist->files,
-                   struct file_struct *, flist->malloced);
-       } else {
-               new_ptr = new_array(struct file_struct *, flist->malloced);
-       }
+       new_ptr = realloc_array(flist->files, struct file_struct *,
+                               flist->malloced);
 
-       if (verbose >= 2) {
+       if (verbose >= 2 && flist->malloced != FLIST_START) {
                rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
                    who_am_i(),
-                   (double) sizeof flist->files[0] * flist->malloced,
+                   (double)sizeof flist->files[0] * flist->malloced,
                    (new_ptr == flist->files) ? " not" : "");
        }
 
-       flist->files = (struct file_struct **) new_ptr;
+       flist->files = new_ptr;
 
        if (!flist->files)
                out_of_memory("flist_expand");
@@ -327,13 +332,13 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
        unsigned short flags;
        static time_t modtime;
        static mode_t mode;
-       static uint64 dev;
+       static int64 dev;
        static dev_t rdev;
        static uint32 rdev_major;
        static uid_t uid;
        static gid_t gid;
        static char lastname[MAXPATHLEN];
-       char *fname, fbuf[MAXPATHLEN];
+       char fname[MAXPATHLEN];
        int l1, l2;
 
        if (f == -1)
@@ -351,7 +356,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 
        io_write_phase = "send_file_entry";
 
-       fname = f_name_to(file, fbuf);
+       f_name_to(file, fname);
 
        flags = base_flags;
 
@@ -414,11 +419,11 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 
        /* 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
+        * the use of XMIT_DEL_START 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;
+                       flags |= XMIT_DEL_START;
                if ((flags & 0xFF00) || !flags) {
                        flags |= XMIT_EXTENDED_FLAGS;
                        write_byte(f, flags);
@@ -427,7 +432,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
                        write_byte(f, flags);
        } else {
                if (!(flags & 0xFF) && !S_ISDIR(mode))
-                       flags |= XMIT_TOP_DIR;
+                       flags |= XMIT_DEL_START;
                if (!(flags & 0xFF))
                        flags |= XMIT_LONG_NAME;
                write_byte(f, flags);
@@ -515,17 +520,19 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
 
 
 void receive_file_entry(struct file_struct **fptr, unsigned short flags,
-    struct file_list *flist, int f)
+                       struct file_list *flist, int f)
 {
        static time_t modtime;
        static mode_t mode;
-       static uint64 dev;
+       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_len = -1;
+       static int lastdir_depth, lastdir_len = -1;
+       static unsigned int del_heir_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;
@@ -539,12 +546,11 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
                rdev_major = 0;
                uid = 0, gid = 0;
                *lastname = '\0';
+               lastdir_len = -1;
+               in_del_hier = 0;
                return;
        }
 
-       if (!flist || !flist->count)    /* Ignore lastdir when invalid. */
-               lastdir_len = -1;
-
        if (flags & XMIT_SAME_NAME)
                l1 = read_byte(f);
 
@@ -566,10 +572,10 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
 
        strlcpy(lastname, thisname, MAXPATHLEN);
 
-       clean_fname(thisname);
+       clean_fname(thisname, 0);
 
        if (sanitize_paths)
-               sanitize_path(thisname, NULL);
+               sanitize_path(thisname, thisname, "", 0);
 
        if ((basename = strrchr(thisname, '/')) != NULL) {
                dirname_len = ++basename - thisname; /* counts future '\0' */
@@ -639,19 +645,35 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
        memset(bp, 0, file_struct_len);
        bp += file_struct_len;
 
-       file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
+       file->flags = 0;
        file->modtime = modtime;
        file->length = file_length;
        file->mode = mode;
        file->uid = uid;
        file->gid = gid;
 
+       if (S_ISDIR(mode)) {
+               if (flags & XMIT_DEL_START) {
+                       in_del_hier = 1;
+                       del_heir_name_len = l1 + l2;
+                       file->flags |= FLAG_DEL_START;
+               } else if (delete_during && in_del_hier) {
+                       if (!relative_paths || (l1 >= del_heir_name_len
+                           && thisname[del_heir_name_len] == '/'))
+                               file->flags |= FLAG_DEL_START;
+                       else
+                               in_del_hier = 0;
+               }
+       }
+
        if (dirname_len) {
                file->dirname = lastdir = bp;
                lastdir_len = dirname_len - 1;
                memcpy(bp, dirname, dirname_len - 1);
                bp += dirname_len;
                bp[-1] = '\0';
+               if (sanitize_paths)
+                       lastdir_depth = count_dir_elements(lastdir);
        } else if (dirname)
                file->dirname = dirname;
 
@@ -667,7 +689,7 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
                file->u.link = bp;
                read_sbuf(f, bp, linkname_len - 1);
                if (sanitize_paths)
-                       sanitize_path(bp, lastdir);
+                       sanitize_path(bp, bp, "", lastdir_depth);
                bp += linkname_len;
        }
 #endif
@@ -676,7 +698,7 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
        if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
                flags |= XMIT_HAS_IDEV_DATA;
        if (flags & XMIT_HAS_IDEV_DATA) {
-               uint64 inode;
+               int64 inode;
                if (protocol_version < 26) {
                        dev = read_int(f);
                        inode = read_int(f);
@@ -711,7 +733,6 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
        }
 
        if (!preserve_perms) {
-               extern int orig_umask;
                /* set an appropriate set of permissions based on original
                 * permissions and umask. This emulates what GNU cp does */
                file->mode &= ~orig_umask;
@@ -734,8 +755,8 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags,
  * 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, int exclude_level)
+struct file_struct *make_file(char *fname, struct file_list *flist,
+                             int filter_level)
 {
        static char *lastdir;
        static int lastdir_len = -1;
@@ -756,42 +777,48 @@ struct file_struct *make_file(char *fname,
                rprintf(FINFO, "skipping overly long name: %s\n", fname);
                return NULL;
        }
-       clean_fname(thisname);
+       clean_fname(thisname, 0);
        if (sanitize_paths)
-               sanitize_path(thisname, NULL);
+               sanitize_path(thisname, thisname, "", 0);
 
        memset(sum, 0, SUM_LENGTH);
 
        if (readlink_stat(thisname, &st, linkname) != 0) {
                int save_errno = errno;
-               if (errno == ENOENT) {
-                       enum logcode c = am_daemon && protocol_version < 28
-                           ? FERROR : FINFO;
-                       /* either symlink pointing nowhere or file that
-                        * was removed during rsync run; see if excluded
-                        * before reporting an error */
-                       if (exclude_level != NO_EXCLUDES
-                           && check_exclude_file(thisname, 0, exclude_level)) {
-                               /* file is excluded anyway, ignore silently */
-                               return NULL;
+               /* See if file is excluded before reporting an error. */
+               if (filter_level != NO_FILTERS
+                   && is_excluded(thisname, 0, filter_level))
+                       return NULL;
+               if (save_errno == ENOENT) {
+#if SUPPORT_LINKS
+                       /* Avoid "vanished" error if symlink points nowhere. */
+                       if (copy_links && do_lstat(thisname, &st) == 0
+                           && S_ISLNK(st.st_mode)) {
+                               io_error |= IOERR_GENERAL;
+                               rprintf(FERROR, "symlink has no referent: %s\n",
+                                       full_fname(thisname));
+                       } else
+#endif
+                       {
+                               enum logcode c = am_daemon && protocol_version < 28
+                                   ? FERROR : FINFO;
+                               io_error |= IOERR_VANISHED;
+                               rprintf(c, "file has vanished: %s\n",
+                                       full_fname(thisname));
                        }
-                       io_error |= IOERR_VANISHED;
-                       rprintf(c, "file has vanished: %s\n",
-                           full_fname(thisname));
-               }
-               else {
+               } else {
                        io_error |= IOERR_GENERAL;
-                       rprintf(FERROR, "readlink %s failed: %s\n",
-                           full_fname(thisname), strerror(save_errno));
+                       rsyserr(FERROR, save_errno, "readlink %s failed",
+                               full_fname(thisname));
                }
                return NULL;
        }
 
-       /* backup.c calls us with exclude_level set to NO_EXCLUDES. */
-       if (exclude_level == NO_EXCLUDES)
-               goto skip_excludes;
+       /* backup.c calls us with filter_level set to NO_FILTERS. */
+       if (filter_level == NO_FILTERS)
+               goto skip_filters;
 
-       if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
+       if (S_ISDIR(st.st_mode) && !xfer_dirs) {
                rprintf(FINFO, "skipping directory %s\n", thisname);
                return NULL;
        }
@@ -803,17 +830,22 @@ struct file_struct *make_file(char *fname,
            && S_ISDIR(st.st_mode))
                flags |= FLAG_MOUNT_POINT;
 
-       if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level))
+       if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level))
                return NULL;
 
-       if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0)
-               return NULL;
+       if (lp_ignore_nonreadable(module_id)) {
+#if SUPPORT_LINKS
+               if (!S_ISLNK(st.st_mode))
+#endif
+                       if (access(thisname, R_OK) != 0)
+                               return NULL;
+       }
 
-skip_excludes:
+skip_filters:
 
        if (verbose > 2) {
                rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
-                       who_am_i(), thisname, exclude_level);
+                       who_am_i(), thisname, filter_level);
        }
 
        if ((basename = strrchr(thisname, '/')) != NULL) {
@@ -893,7 +925,7 @@ skip_excludes:
        memcpy(bp, basename, basename_len);
        bp += basename_len;
 
-#ifdef HAVE_STRUCT_STAT_ST_RDEV
+#if HAVE_STRUCT_STAT_ST_RDEV
        if (preserve_devices && IS_DEVICE(st.st_mode))
                file->u.rdev = st.st_rdev;
 #endif
@@ -914,6 +946,26 @@ skip_excludes:
 
        file->basedir = flist_dir;
 
+       /* This code is only used by the receiver when it is building
+        * a list of files for a delete pass. */
+       if (keep_dirlinks && linkname_len && flist) {
+               STRUCT_STAT st2;
+               int i = flist_find(received_flist, file);
+               if (i >= 0 && S_ISDIR(received_flist->files[i]->mode)
+                   && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
+                       file->modtime = st2.st_mtime;
+                       file->length = st2.st_size;
+                       file->mode = st2.st_mode;
+                       file->uid = st2.st_uid;
+                       file->gid = st2.st_gid;
+                       file->u.link = NULL;
+                       if (file->link_u.idev) {
+                               pool_free(flist->hlink_pool, 0, file->link_u.idev);
+                               file->link_u.idev = NULL;
+                       }
+               }
+       }
+
        if (!S_ISDIR(st.st_mode))
                stats.total_size += st.st_size;
 
@@ -926,11 +978,10 @@ void send_file_name(int f, struct file_list *flist, char *fname,
 {
        struct file_struct *file;
        char fbuf[MAXPATHLEN];
-       extern int delete_excluded;
 
        /* f is set to -1 when calculating deletion file list */
        file = make_file(fname, flist,
-           f == -1 && delete_excluded? SERVER_EXCLUDES : ALL_EXCLUDES);
+           f == -1 && delete_excluded? SERVER_FILTERS : ALL_FILTERS);
 
        if (!file)
                return;
@@ -939,9 +990,6 @@ void send_file_name(int f, struct file_list *flist, char *fname,
 
        flist_expand(flist);
 
-       if (write_batch)
-               file->flags |= FLAG_TOP_DIR;
-
        if (file->basename[0]) {
                flist->files[flist->count++] = file;
                send_file_entry(file, f, base_flags);
@@ -949,28 +997,26 @@ void send_file_name(int f, struct file_list *flist, char *fname,
 
        if (recursive && S_ISDIR(file->mode)
            && !(file->flags & FLAG_MOUNT_POINT)) {
-               struct exclude_list_struct last_list = local_exclude_list;
-               local_exclude_list.head = local_exclude_list.tail = NULL;
                send_directory(f, flist, f_name_to(file, fbuf));
-               free_exclude_list(&local_exclude_list);
-               local_exclude_list = last_list;
        }
 }
 
 
+/* Note that the "recurse" value either contains -1, for infinite recursion,
+ * or a number >= 0 indicating how many levels of recursion we will allow. */
 static void send_directory(int f, struct file_list *flist, char *dir)
 {
        DIR *d;
        struct dirent *di;
        char fname[MAXPATHLEN];
        unsigned int offset;
+       void *save_filters;
        char *p;
 
        d = opendir(dir);
        if (!d) {
                io_error |= IOERR_GENERAL;
-               rprintf(FERROR, "opendir %s failed: %s\n",
-                       full_fname(dir), strerror(errno));
+               rsyserr(FERROR, errno, "opendir %s failed", full_fname(dir));
                return;
        }
 
@@ -988,27 +1034,17 @@ static void send_directory(int f, struct file_list *flist, char *dir)
                offset++;
        }
 
-       if (cvs_exclude) {
-               if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset)
-                   < MAXPATHLEN - offset) {
-                       add_exclude_file(&local_exclude_list, fname,
-                                        XFLG_WORD_SPLIT | XFLG_WORDS_ONLY);
-               } else {
-                       io_error |= IOERR_GENERAL;
-                       rprintf(FINFO,
-                               "cannot cvs-exclude in long-named directory %s\n",
-                               full_fname(fname));
-               }
-       }
+       save_filters = push_local_filters(fname, offset);
 
        for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
                char *dname = d_name(di);
                if (dname[0] == '.' && (dname[1] == '\0'
                    || (dname[1] == '.' && dname[2] == '\0')))
                        continue;
-               if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset)
-                       send_file_name(f, flist, fname, recurse, 0);
-               else {
+               if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset) {
+                       int do_subdirs = recurse >= 1 ? recurse-- : recurse;
+                       send_file_name(f, flist, fname, do_subdirs, 0);
+               } else {
                        io_error |= IOERR_GENERAL;
                        rprintf(FINFO,
                                "cannot send long-named file %s\n",
@@ -1017,20 +1053,23 @@ static void send_directory(int f, struct file_list *flist, char *dir)
        }
        if (errno) {
                io_error |= IOERR_GENERAL;
-               rprintf(FERROR, "readdir(%s): (%d) %s\n",
-                       dir, errno, strerror(errno));
+               rsyserr(FERROR, errno, "readdir(%s)", dir);
        }
 
+       pop_local_filters(save_filters);
+
        closedir(d);
 }
 
 
-/**
- * The delete_files() function in receiver.c sets f to -1 so that we just
- * construct the file list in memory without sending it over the wire.  It
- * also has the side-effect of ignoring user-excludes if delete_excluded
- * is set (so that the delete list includes user-excluded files).
- **/
+/* This function is normally called by the sender, but the receiving side
+ * also uses it to construct one or more file lists if one of the --delete
+ * options have been specified.  The delete_in_dir() function sets f to -1
+ * so that we just construct the file list in memory without sending it
+ * over the wire.  It also has the side-effect of ignoring user-excludes if
+ * delete_excluded is set (so that the delete list includes user-excluded
+ * files) and it avoids some per-arg init code for limited recursion (since
+ * delete_in_dir() sets recurse before calling this function). */
 struct file_list *send_file_list(int f, int argc, char *argv[])
 {
        int l;
@@ -1038,6 +1077,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        char *p, *dir, olddir[sizeof curr_dir];
        char lastpath[MAXPATHLEN] = "";
        struct file_list *flist;
+       BOOL need_first_push = True;
+       struct timeval start_tv, end_tv;
        int64 start_write;
        int use_ff_fd = 0;
 
@@ -1045,40 +1086,46 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                start_filelist_progress("building file list");
 
        start_write = stats.total_written;
+       gettimeofday(&start_tv, NULL);
 
        flist = flist_new(f == -1 ? WITHOUT_HLINK : WITH_HLINK,
-           "send_file_list");
+                         "send_file_list");
 
        if (f != -1) {
-               io_start_buffering_out(f);
+               io_start_buffering_out();
                if (filesfrom_fd >= 0) {
                        if (argv[0] && !push_dir(argv[0])) {
-                               rprintf(FERROR, "push_dir %s failed: %s\n",
-                                       full_fname(argv[0]), strerror(errno));
+                               rsyserr(FERROR, errno, "push_dir %s failed",
+                                       full_fname(argv[0]));
                                exit_cleanup(RERR_FILESELECT);
                        }
                        use_ff_fd = 1;
+                       if (curr_dir_len < MAXPATHLEN - 1) {
+                               push_local_filters(curr_dir, curr_dir_len);
+                               need_first_push = False;
+                       }
                }
        }
 
        while (1) {
                char fname2[MAXPATHLEN];
                char *fname = fname2;
+               int do_subdirs;
 
                if (use_ff_fd) {
                        if (read_filesfrom_line(filesfrom_fd, fname) == 0)
                                break;
-                       sanitize_path(fname, NULL);
+                       sanitize_path(fname, fname, "", 0);
                } else {
                        if (argc-- == 0)
                                break;
                        strlcpy(fname, *argv++, MAXPATHLEN);
                        if (sanitize_paths)
-                               sanitize_path(fname, NULL);
+                               sanitize_path(fname, fname, "", 0);
                }
 
                l = strlen(fname);
-               if (fname[l - 1] == '/') {
+               if (!l || fname[l - 1] == '/') {
                        if (l == 2 && fname[0] == '.') {
                                /* Turn "./" into just "." rather than "./." */
                                fname[1] = '\0';
@@ -1087,17 +1134,33 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                                fname[l] = '\0';
                        }
                }
+               if (f == -1)
+                       ; /* recurse is pre-set */
+               else if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) {
+                       if (!recurse && xfer_dirs)
+                               recurse = 1; /* allow one level */
+               } else if (recurse > 0)
+                       recurse = 0;
+
+               if (need_first_push) {
+                       if ((p = strrchr(fname, '/')) != NULL) {
+                               if (*++p && strcmp(p, ".") != 0)
+                                       push_local_filters(fname, p - fname);
+                       } else if (strcmp(fname, ".") != 0)
+                               push_local_filters(fname, 0);
+                       need_first_push = False;
+               }
 
-               if (link_stat(fname, &st) != 0) {
+               if (link_stat(fname, &st, keep_dirlinks) != 0) {
                        if (f != -1) {
                                io_error |= IOERR_GENERAL;
-                               rprintf(FERROR, "link_stat %s failed: %s\n",
-                                       full_fname(fname), strerror(errno));
+                               rsyserr(FERROR, errno, "link_stat %s failed",
+                                       full_fname(fname));
                        }
                        continue;
                }
 
-               if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
+               if (S_ISDIR(st.st_mode) && !xfer_dirs) {
                        rprintf(FINFO, "skipping directory %s\n", fname);
                        continue;
                }
@@ -1129,21 +1192,17 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                        }
                        *p = '/';
                        if (fn != p || (*lp && *lp != '/')) {
-                               int copy_links_saved = copy_links;
-                               int recurse_saved = recurse;
+                               int save_copy_links = copy_links;
+                               int save_xfer_dirs = xfer_dirs;
                                copy_links = copy_unsafe_links;
-                               /* set recurse to 1 to prevent make_file
-                                * from ignoring directory, but still
-                                * turn off the recursive parameter to
-                                * send_file_name */
-                               recurse = 1;
+                               xfer_dirs = 1;
                                while ((slash = strchr(slash+1, '/')) != 0) {
                                        *slash = 0;
                                        send_file_name(f, flist, fname, 0, 0);
                                        *slash = '/';
                                }
-                               copy_links = copy_links_saved;
-                               recurse = recurse_saved;
+                               copy_links = save_copy_links;
+                               xfer_dirs = save_xfer_dirs;
                                *p = 0;
                                strlcpy(lastpath, fname, sizeof lastpath);
                                *p = '/';
@@ -1161,8 +1220,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 
                        if (!push_dir(dir)) {
                                io_error |= IOERR_GENERAL;
-                               rprintf(FERROR, "push_dir %s failed: %s\n",
-                                       full_fname(dir), strerror(errno));
+                               rsyserr(FERROR, errno, "push_dir %s failed",
+                                       full_fname(dir));
                                continue;
                        }
 
@@ -1178,24 +1237,38 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                if (one_file_system)
                        set_filesystem(fname);
 
-               send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR);
+               do_subdirs = recurse >= 1 ? recurse-- : recurse;
+               send_file_name(f, flist, fname, do_subdirs, XMIT_DEL_START);
 
                if (olddir[0]) {
                        flist_dir = NULL;
                        flist_dir_len = 0;
                        if (!pop_dir(olddir)) {
-                               rprintf(FERROR, "pop_dir %s failed: %s\n",
-                                       full_fname(dir), strerror(errno));
+                               rsyserr(FERROR, errno, "pop_dir %s failed",
+                                       full_fname(dir));
                                exit_cleanup(RERR_FILESELECT);
                        }
                }
        }
 
        if (f != -1) {
+               gettimeofday(&end_tv, NULL);
+               stats.flist_buildtime =
+                   (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+                        + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+               if (stats.flist_buildtime == 0)
+                       stats.flist_buildtime = 1;
+               start_tv = end_tv;
+
                send_file_entry(NULL, f, 0);
 
                if (show_filelist_p())
                        finish_filelist_progress(flist);
+
+               gettimeofday(&end_tv, NULL);
+               stats.flist_xfertime =
+                   (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+                        + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
        }
 
        if (flist->hlink_pool) {
@@ -1216,12 +1289,10 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                io_end_buffering();
                stats.flist_size = stats.total_written - start_write;
                stats.num_files = flist->count;
-               if (write_batch)
-                       write_batch_flist_info(flist->count, flist->files);
        }
 
        if (verbose > 3)
-               output_flist(flist);
+               output_flist(flist, f < 0 ? "delete" : who_am_i());
 
        if (verbose > 2)
                rprintf(FINFO, "send_file_list done\n");
@@ -1235,7 +1306,6 @@ struct file_list *recv_file_list(int f)
        struct file_list *flist;
        unsigned short flags;
        int64 start_read;
-       extern int list_only;
 
        if (show_filelist_p())
                start_filelist_progress("receiving file list");
@@ -1243,6 +1313,7 @@ struct file_list *recv_file_list(int f)
        start_read = stats.total_read;
 
        flist = flist_new(WITH_HLINK, "recv_file_list");
+       received_flist = flist;
 
        flist->count = 0;
        flist->malloced = 1000;
@@ -1287,17 +1358,15 @@ struct file_list *recv_file_list(int f)
                 * protocol version 15 */
                recv_uid_list(f, flist);
 
-               if (!read_batch) {
-                       /* Recv the io_error flag */
-                       if (lp_ignore_errors(module_id) || ignore_errors)
-                               read_int(f);
-                       else
-                               io_error |= read_int(f);
-               }
+               /* Recv the io_error flag */
+               if (lp_ignore_errors(module_id) || ignore_errors)
+                       read_int(f);
+               else
+                       io_error |= read_int(f);
        }
 
        if (verbose > 3)
-               output_flist(flist);
+               output_flist(flist, who_am_i());
 
        if (list_only) {
                int i;
@@ -1425,7 +1494,7 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
                return;
 
        qsort(flist->files, flist->count,
-           sizeof flist->files[0], (int (*)()) file_compare);
+           sizeof flist->files[0], (int (*)())file_compare);
 
        for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
                if (flist->files[i]->basename) {
@@ -1445,8 +1514,8 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
                        /* Make sure that if we unduplicate '.', that we don't
                         * lose track of a user-specified starting point (or
                         * else deletions will mysteriously fail with -R). */
-                       if (flist->files[i]->flags & FLAG_TOP_DIR)
-                               flist->files[prev_i]->flags |= FLAG_TOP_DIR;
+                       if (flist->files[i]->flags & FLAG_DEL_START)
+                               flist->files[prev_i]->flags |= FLAG_DEL_START;
 
                        clear_file(i, flist);
                } else
@@ -1473,7 +1542,7 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
        }
 }
 
-static void output_flist(struct file_list *flist)
+static void output_flist(struct file_list *flist, const char *whose_list)
 {
        char uidbuf[16], gidbuf[16];
        struct file_struct *file;
@@ -1481,7 +1550,7 @@ static void output_flist(struct file_list *flist)
 
        for (i = 0; i < flist->count; i++) {
                file = flist->files[i];
-               if (am_root && preserve_uid)
+               if ((am_root || am_sender) && preserve_uid)
                        sprintf(uidbuf, " uid=%ld", (long)file->uid);
                else
                        *uidbuf = '\0';
@@ -1490,9 +1559,9 @@ static void output_flist(struct file_list *flist)
                else
                        *gidbuf = '\0';
                rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n",
-                       who_am_i(), i, NS(file->basedir), NS(file->dirname),
-                       NS(file->basename), (int) file->mode,
-                       (double) file->length, uidbuf, gidbuf);
+                       whose_list, i, NS(file->basedir), NS(file->dirname),
+                       NS(file->basename), (int)file->mode,
+                       (double)file->length, uidbuf, gidbuf);
        }
 }
 
@@ -1604,3 +1673,79 @@ char *f_name(struct file_struct *f)
 
        return f_name_to(f, names[n]);
 }
+
+static int is_backup_file(char *fn)
+{
+       int k = strlen(fn) - backup_suffix_len;
+       return k > 0 && strcmp(fn+k, backup_suffix) == 0;
+}
+
+void delete_in_dir(struct file_list *flist, char *fname)
+{
+       static int deletion_count = 0;
+       struct file_list *del_flist;
+       int save_recurse = recurse;
+       int save_xfer_dirs = xfer_dirs;
+       int save_implied_dirs = implied_dirs;
+       int save_relative_paths = relative_paths;
+       char *argv[1];
+       int i, j, mode;
+
+       if (max_delete && deletion_count >= max_delete)
+               return;
+
+       if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
+               rprintf(FINFO, "IO error encountered - skipping file deletion\n");
+               max_delete = -1; /* avoid duplicating the above warning */
+               return;
+       }
+
+       if (delete_during) {
+               recurse = 1; /* allow one level only */
+               xfer_dirs = 1;
+               implied_dirs = 0;
+               relative_paths = 1;
+       }
+
+       argv[0] = fname;
+       del_flist = send_file_list(-1, 1, argv);
+
+       relative_paths = save_relative_paths;
+       implied_dirs = save_implied_dirs;
+       xfer_dirs = save_xfer_dirs;
+       recurse = save_recurse;
+
+       if (!del_flist)
+               return;
+
+       if (verbose > 1)
+               rprintf(FINFO, "deleting in %s\n", safe_fname(fname));
+
+       for (i = del_flist->count-1; i >= 0; i--) {
+               if (max_delete && deletion_count >= max_delete)
+                       break;
+               if (!del_flist->files[i]->basename)
+                       continue;
+               mode = del_flist->files[i]->mode;
+               if ((j = flist_find(flist, del_flist->files[i])) < 0
+                   || (delete_during && S_ISDIR(mode)
+                    && !S_ISDIR(flist->files[j]->mode))) {
+                       char *f = f_name(del_flist->files[i]);
+                       if (make_backups && (backup_dir || !is_backup_file(f))
+                         && !S_ISDIR(mode)) {
+                               make_backup(f);
+                               if (verbose) {
+                                       rprintf(FINFO, "deleting %s\n",
+                                               safe_fname(f));
+                               }
+                       } else {
+                               int dflags = delete_during
+                                   ? DEL_DIR | DEL_FORCE_RECURSE
+                                   : DEL_DIR | DEL_NO_RECURSE;
+                               delete_file(f, S_ISDIR(mode) ? dflags : 0);
+                       }
+                       deletion_count++;
+               }
+       }
+       flist_free(del_flist);
+}