* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
* Copyright (C) 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2008 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
extern int do_xfers;
extern int stdout_format_has_i;
extern int logfile_format_has_i;
-extern int receiver_symlink_times;
extern int am_root;
extern int am_server;
extern int am_daemon;
extern char *backup_suffix;
extern int backup_suffix_len;
extern struct file_list *cur_flist, *first_flist, *dir_flist;
-extern struct filter_list_struct server_filter_list;
+extern struct filter_list_struct daemon_filter_list;
int ignore_perishable = 0;
int non_perishable_cnt = 0;
static int deldelay_fd = -1;
static int lull_mod;
static int dir_tweaking;
+static int symlink_timeset_failed_flags;
static int need_retouch_dir_times;
static int need_retouch_dir_perms;
static const char *solo_file = NULL;
DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
};
-/* Forward declaration for delete_item(). */
+/* Forward declarations. */
static enum delret delete_dir_contents(char *fname, uint16 flags);
+#ifdef SUPPORT_HARD_LINKS
+static void handle_skipped_hlink(struct file_struct *file, int itemizing,
+ enum logcode code, int f_out);
+#endif
static int is_backup_file(char *fn)
{
for (j = dirlist->used; j--; ) {
struct file_struct *fp = dirlist->files[j];
- if (fp->flags & FLAG_MOUNT_DIR) {
+ if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) {
if (verbose > 1) {
rprintf(FINFO,
"mount point, %s, pins parent directory\n",
struct file_struct *fp = dirlist->files[i];
if (!F_IS_ACTIVE(fp))
continue;
- if (fp->flags & FLAG_MOUNT_DIR) {
+ if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) {
if (verbose > 1)
rprintf(FINFO, "cannot delete mount point: %s\n",
f_name(fp, NULL));
for (j = 0; j < cur_flist->used; j++) {
struct file_struct *file = cur_flist->sorted[j];
- if (!(file->flags & FLAG_CONTENT_DIR))
+ f_name(file, fbuf);
+
+ if (!(file->flags & FLAG_CONTENT_DIR)) {
+ change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(file));
continue;
+ }
- f_name(file, fbuf);
if (verbose > 1 && file->flags & FLAG_TOP_DIR)
rprintf(FINFO, "deleting in %s\n", fbuf);
if (preserve_times && cmp_time(sxp->st.st_mtime, file->modtime) != 0)
return 0;
- if (preserve_perms && !BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
- return 0;
-
- if (preserve_executability && ((sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0)))
+ if (preserve_perms) {
+ if (!BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
+ return 0;
+ } else if (preserve_executability
+ && ((sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0)))
return 0;
if (am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file))
int keep_time = !preserve_times ? 0
: S_ISDIR(file->mode) ? preserve_times > 1 :
#if defined HAVE_LUTIMES && defined HAVE_UTIMES
- (receiver_symlink_times && !(file->flags & FLAG_TIME_FAILED)) ||
-#endif
+ 1;
+#else
!S_ISLNK(file->mode);
+#endif
if (S_ISREG(file->mode) && F_LENGTH(file) != sxp->st.st_size)
iflags |= ITEM_REPORT_SIZE;
- if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time
- && !(iflags & ITEM_MATCHED)
+ if (file->flags & FLAG_TIME_FAILED) { /* symlinks only */
+ if (iflags & ITEM_LOCAL_CHANGE)
+ iflags |= symlink_timeset_failed_flags;
+ } else if (keep_time
+ ? cmp_time(file->modtime, sxp->st.st_mtime) != 0
+ : iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !(iflags & ITEM_MATCHED)
&& (!(iflags & ITEM_XNAME_FOLLOWS) || *xname))
- || (keep_time && cmp_time(file->modtime, sxp->st.st_mtime) != 0))
iflags |= ITEM_REPORT_TIME;
#if !defined HAVE_LCHMOD && !defined HAVE_SETATTRLIST
if (S_ISLNK(file->mode)) {
;
} else
#endif
- if ((preserve_perms || preserve_executability)
- && !BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
+ if (preserve_perms) {
+ if (!BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
+ iflags |= ITEM_REPORT_PERMS;
+ } else if (preserve_executability
+ && ((sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0)))
iflags |= ITEM_REPORT_PERMS;
if (uid_ndx && am_root && (uid_t)F_OWNER(file) != sxp->st.st_uid)
iflags |= ITEM_REPORT_OWNER;
if (itemizing && stdout_format_has_i
&& (verbose > 1 || stdout_format_has_i > 1)) {
int chg = compare_dest && type != TYPE_DIR ? 0
- : ITEM_LOCAL_CHANGE
- + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0);
+ : ITEM_LOCAL_CHANGE + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0);
char *lp = match_level == 3 ? "" : NULL;
itemize(cmpbuf, file, ndx, 0, sxp, chg + ITEM_MATCHED, 0, lp);
}
static int phase = 0;
static int dflt_perms;
+static int implied_dirs_are_missing;
+/* Helper for recv_generator's skip_dir and dry_missing_dir tests. */
+static BOOL is_below(struct file_struct *file, struct file_struct *subtree)
+{
+ return F_DEPTH(file) > F_DEPTH(subtree)
+ && (!implied_dirs_are_missing || f_name_has_prefix(file, subtree));
+}
+
/* Acts on the indicated item in cur_flist whose name is fname. If a dir,
* make sure it exists, and has the right permissions/timestamp info. For
* all other non-regular files (symlinks, etc.) we create them here. For
* regular files that have changed, we try to find a basis file and then
* start sending checksums. The ndx is the file's unique index value.
*
- * When fname is non-null, it must point to a MAXPATHLEN buffer!
+ * The fname parameter must point to a MAXPATHLEN buffer! (e.g it gets
+ * passed to delete_item(), which can use it during a recursive delete.)
*
* Note that f_out is set to -1 when doing final directory-permission and
* modification-time repair. */
static void recv_generator(char *fname, struct file_struct *file, int ndx,
int itemizing, enum logcode code, int f_out)
{
- static int missing_below = -1, excluded_below = -1;
static const char *parent_dirname = "";
- static struct file_struct *missing_dir = NULL, *excluded_dir = NULL;
+ /* Missing dir not created due to --dry-run; will still be scanned. */
+ static struct file_struct *dry_missing_dir = NULL;
+ /* Missing dir whose contents are skipped altogether due to
+ * --ignore-non-existing, daemon exclude, or mkdir failure. */
+ static struct file_struct *skip_dir = NULL;
static struct file_list *fuzzy_dirlist = NULL;
static int need_fuzzy_dirlist = 0;
struct file_struct *fuzzy_file = NULL;
char *fnamecmp, *partialptr, *backupptr = NULL;
char fnamecmpbuf[MAXPATHLEN];
uchar fnamecmp_type;
- int implied_dirs_are_missing = relative_paths && !implied_dirs && protocol_version < 30;
int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
int is_dir = !S_ISDIR(file->mode) ? 0
: inc_recurse && ndx != cur_flist->ndx_start - 1 ? -1
return;
}
- if (server_filter_list.head) {
- int filtered = check_filter(&server_filter_list, fname, is_dir) < 0;
- if (is_dir < 0 && filtered)
- return;
- if (excluded_below >= 0) {
- if (F_DEPTH(file) > excluded_below
- && (!implied_dirs_are_missing || f_name_has_prefix(file, excluded_dir)))
- goto skipping;
- excluded_below = -1;
- }
- if (filtered) {
- if (is_dir) {
- excluded_below = F_DEPTH(file);
- excluded_dir = file;
- }
- skipping:
- rprintf(FERROR_XFER,
- "skipping daemon-excluded file \"%s\"\n",
- fname);
+ if (skip_dir) {
+ if (is_below(file, skip_dir)) {
+ if (is_dir)
+ file->flags |= FLAG_MISSING_DIR;
+#ifdef SUPPORT_HARD_LINKS
+ else if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
return;
}
+ skip_dir = NULL;
}
- if (missing_below >= 0) {
- if (F_DEPTH(file) <= missing_below
- || (implied_dirs_are_missing && !f_name_has_prefix(file, missing_dir))) {
- if (dry_run)
- dry_run--;
- missing_below = -1;
- } else if (!dry_run) {
+ if (daemon_filter_list.head && (*fname != '.' || fname[1])) {
+ if (check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
+ if (is_dir < 0)
+ return;
+#ifdef SUPPORT_HARD_LINKS
+ if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
+ rprintf(FERROR_XFER,
+ "skipping daemon-excluded %s \"%s\"\n",
+ is_dir ? "directory" : "file", fname);
if (is_dir)
- file->flags |= FLAG_MISSING_DIR;
+ goto skipping_dir_contents;
return;
}
}
+
#ifdef SUPPORT_ACLS
sx.acc_acl = sx.def_acl = NULL;
#endif
#ifdef SUPPORT_XATTRS
sx.xattr = NULL;
#endif
- if (dry_run > 1) {
+ if (dry_run > 1 || (dry_missing_dir && is_below(file, dry_missing_dir))) {
+ parent_is_dry_missing:
if (fuzzy_dirlist) {
flist_free(fuzzy_dirlist);
fuzzy_dirlist = NULL;
stat_errno = ENOENT;
} else {
const char *dn = file->dirname ? file->dirname : ".";
+ dry_missing_dir = NULL;
if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) {
if (relative_paths && !implied_dirs
- && do_stat(dn, &sx.st) < 0
- && create_directory_path(fname) < 0) {
- rsyserr(FERROR_XFER, errno,
- "recv_generator: mkdir %s failed",
- full_fname(dn));
+ && do_stat(dn, &sx.st) < 0) {
+ if (dry_run)
+ goto parent_is_dry_missing;
+ if (create_directory_path(fname) < 0) {
+ rsyserr(FERROR_XFER, errno,
+ "recv_generator: mkdir %s failed",
+ full_fname(dn));
+ }
}
if (fuzzy_dirlist) {
flist_free(fuzzy_dirlist);
if (is_dir) {
if (is_dir < 0)
return;
- if (missing_below < 0) {
- if (dry_run)
- dry_run++;
- missing_below = F_DEPTH(file);
- missing_dir = file;
- }
+ skip_dir = file;
file->flags |= FLAG_MISSING_DIR;
}
+#ifdef SUPPORT_HARD_LINKS
+ else if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
if (verbose > 1) {
rprintf(FINFO, "not creating new %s \"%s\"\n",
is_dir ? "directory" : "file", fname);
&& !am_root && sx.st.st_uid == our_uid)
del_opts |= DEL_NO_UID_WRITE;
+ if (ignore_existing > 0 && statret == 0
+ && (!is_dir || !S_ISDIR(sx.st.st_mode))) {
+ if (verbose > 1 && is_dir >= 0)
+ rprintf(FINFO, "%s exists\n", fname);
+#ifdef SUPPORT_HARD_LINKS
+ if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
+ goto cleanup;
+ }
+
if (is_dir) {
if (!implied_dirs && file->flags & FLAG_IMPLIED_DIR)
goto cleanup;
goto skipping_dir_contents;
statret = -1;
}
- if (dry_run && statret != 0 && missing_below < 0) {
- missing_below = F_DEPTH(file);
- missing_dir = file;
- dry_run++;
+ if (dry_run && statret != 0) {
+ if (!dry_missing_dir)
+ dry_missing_dir = file;
+ file->flags |= FLAG_MISSING_DIR;
}
real_ret = statret;
real_sx = sx;
skipping_dir_contents:
rprintf(FERROR,
"*** Skipping any contents from this failed directory ***\n");
- missing_below = F_DEPTH(file);
- missing_dir = file;
+ skip_dir = file;
file->flags |= FLAG_MISSING_DIR;
goto cleanup;
}
DEV_MINOR(devp) = minor(real_sx.st.st_dev);
}
}
- else if (delete_during && f_out != -1 && !phase && dry_run < 2
- && (file->flags & FLAG_CONTENT_DIR))
- delete_in_dir(fname, file, &real_sx.st.st_dev);
+ else if (delete_during && f_out != -1 && !phase
+ && !(file->flags & FLAG_MISSING_DIR)) {
+ if (file->flags & FLAG_CONTENT_DIR)
+ delete_in_dir(fname, file, &real_sx.st.st_dev);
+ else
+ change_local_filter_dir(fname, strlen(fname), F_DEPTH(file));
+ }
goto cleanup;
}
set_file_attrs(fname, file, NULL, NULL, 0);
if (itemizing) {
itemize(fname, file, ndx, statret, &sx,
- ITEM_LOCAL_CHANGE, 0, NULL);
+ ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
}
if (code != FNONE && verbose)
rprintf(code, "%s -> %s\n", fname, sl);
set_file_attrs(fname, file, NULL, NULL, 0);
if (itemizing) {
itemize(fname, file, ndx, statret, &sx,
- ITEM_LOCAL_CHANGE, 0, NULL);
+ ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
}
if (code != FNONE && verbose)
rprintf(code, "%s\n", fname);
goto cleanup;
}
- if (ignore_existing > 0 && statret == 0) {
- if (verbose > 1)
- rprintf(FINFO, "%s exists\n", fname);
- goto cleanup;
- }
-
if (update_only > 0 && statret == 0
&& cmp_time(sx.st.st_mtime, file->modtime) > 0) {
if (verbose > 1)
rprintf(FINFO, "%s is newer\n", fname);
+#ifdef SUPPORT_HARD_LINKS
+ if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
goto cleanup;
}
} else
partialptr = NULL;
- if (statret != 0 && fuzzy_dirlist && dry_run <= 1) {
+ if (statret != 0 && fuzzy_dirlist) {
int j = find_fuzzy(file, fuzzy_dirlist);
if (j >= 0) {
fuzzy_file = fuzzy_dirlist->files[j];
goto cleanup;
}
- if (append_mode > 0 && sx.st.st_size >= F_LENGTH(file))
- goto cleanup;
-
if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
;
else if (fnamecmp_type == FNAMECMP_FUZZY)
goto cleanup;
}
+ if (append_mode > 0 && sx.st.st_size >= F_LENGTH(file)) {
+#ifdef SUPPORT_HARD_LINKS
+ if (F_IS_HLINKED(file))
+ handle_skipped_hlink(file, itemizing, code, f_out);
+#endif
+ goto cleanup;
+ }
+
prepare_to_open:
if (partialptr) {
sx.st = partial_st;
close(fd);
goto cleanup;
}
- if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0
- && (errno != ENOENT || make_bak_dir(backupptr) < 0
- || (f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0)) {
- rsyserr(FERROR_XFER, errno, "open %s",
- full_fname(backupptr));
- unmake_file(back_file);
- back_file = NULL;
- close(fd);
- goto cleanup;
+ if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
+ int save_errno = errno ? errno : EINVAL; /* 0 paranoia */
+ if (errno == ENOENT && make_bak_dir(backupptr) == 0) {
+ if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0)
+ save_errno = errno ? errno : save_errno;
+ else
+ save_errno = 0;
+ }
+ if (save_errno) {
+ rsyserr(FERROR_XFER, save_errno, "open %s", full_fname(backupptr));
+ unmake_file(back_file);
+ back_file = NULL;
+ close(fd);
+ goto cleanup;
+ }
}
fnamecmp_type = FNAMECMP_BACKUP;
}
rprintf(FINFO, "generating and sending sums for %d\n", ndx);
notify_others:
- if (remove_source_files && !delay_updates && !phase)
+ if (remove_source_files && !delay_updates && !phase && !dry_run)
increment_active_files(ndx, itemizing, code);
if (inc_recurse && !dry_run)
cur_flist->in_progress++;
if (itemizing) {
int iflags = ITEM_TRANSFER;
if (always_checksum > 0)
- iflags |= ITEM_REPORT_CHECKSUM;
+ iflags |= ITEM_REPORT_CHANGE;
if (fnamecmp_type != FNAMECMP_FNAME)
iflags |= ITEM_BASIS_TYPE_FOLLOWS;
if (fnamecmp_type == FNAMECMP_FUZZY)
cleanup:
if (back_file) {
+ int save_preserve_xattrs = preserve_xattrs;
if (f_copy >= 0)
close(f_copy);
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ copy_xattrs(fname, backupptr);
+#endif
+ preserve_xattrs = 0;
set_file_attrs(backupptr, back_file, NULL, NULL, 0);
+ preserve_xattrs = save_preserve_xattrs;
if (verbose > 1) {
rprintf(FINFO, "backed up %s to %s\n",
fname, backupptr);
return;
}
+#ifdef SUPPORT_HARD_LINKS
+static void handle_skipped_hlink(struct file_struct *file, int itemizing,
+ enum logcode code, int f_out)
+{
+ char fbuf[MAXPATHLEN];
+ int new_last_ndx;
+ struct file_list *save_flist = cur_flist;
+
+ /* If we skip the last item in a chain of links and there was a
+ * prior non-skipped hard-link waiting to finish, finish it now. */
+ if ((new_last_ndx = skip_hard_link(file, &cur_flist)) < 0)
+ return;
+
+ file = cur_flist->files[new_last_ndx - cur_flist->ndx_start];
+ cur_flist->in_progress--; /* undo prior increment */
+ f_name(file, fbuf);
+ recv_generator(fbuf, file, new_last_ndx, itemizing, code, f_out);
+
+ cur_flist = save_flist;
+}
+#endif
+
static void touch_up_dirs(struct file_list *flist, int ndx)
{
static int counter = 0;
fname = f_name(file, NULL);
if (!(file->mode & S_IWUSR))
do_chmod(fname, file->mode);
- if (need_retouch_dir_times)
- set_modtime(fname, file->modtime, file->mode);
+ if (need_retouch_dir_times) {
+ STRUCT_STAT st;
+ if (link_stat(fname, &st, 0) == 0
+ && cmp_time(st.st_mtime, file->modtime) != 0)
+ set_modtime(fname, file->modtime, file->mode);
+ }
if (allowed_lull && !(counter % lull_mod))
maybe_send_keepalive();
else if (!(counter & 0xFF))
dir_tweaking = !(list_only || solo_file || dry_run);
need_retouch_dir_times = preserve_times > 1;
lull_mod = allowed_lull * 5;
+ symlink_timeset_failed_flags = ITEM_REPORT_TIME
+ | (protocol_version >= 30 || !am_server ? ITEM_REPORT_TIMEFAIL : 0);
+ implied_dirs_are_missing = relative_paths && !implied_dirs && protocol_version < 30;
if (verbose > 2)
rprintf(FINFO, "generator starting pid=%ld\n", (long)getpid());
f_name(fp, fbuf);
ndx = cur_flist->ndx_start - 1;
recv_generator(fbuf, fp, ndx, itemizing, code, f_out);
- if (delete_during && dry_run < 2 && !list_only) {
- if (BITS_SETnUNSET(fp->flags, FLAG_CONTENT_DIR, FLAG_MISSING_DIR)) {
+ if (delete_during && dry_run < 2 && !list_only
+ && !(fp->flags & FLAG_MISSING_DIR)) {
+ if (fp->flags & FLAG_CONTENT_DIR) {
dev_t dirdev;
if (one_file_system) {
uint32 *devp = F_DIR_DEV_P(fp);
dirdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
} else
dirdev = MAKEDEV(0, 0);
- delete_in_dir(f_name(fp, fbuf), fp, &dirdev);
- }
+ delete_in_dir(fbuf, fp, &dirdev);
+ } else
+ change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(fp));
}
}
for (i = cur_flist->low; i <= cur_flist->high; i++) {
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