*
* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2009 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 char *partial_dir;
extern char *basis_dir[];
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;
static struct bitbag *delayed_bits = NULL;
static int phase = 0, redoing = 0;
+static flist_ndx_list batch_redo_list;
/* We're either updating the basis file or an identical copy: */
-static int updating_basis;
+static int updating_basis_or_equiv;
/*
* get_tmpname() - create a tmp filename for a given filename
* As long as it's unique, rsync will work.
*/
-int get_tmpname(char *fnametmp, char *fname)
+int get_tmpname(char *fnametmp, const char *fname)
{
int maxname, added, length = 0;
- char *f;
+ const char *f;
if (tmpdir) {
/* Note: this can't overflow, so the return value is safe */
maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
if (maxname < 1) {
- rprintf(FERROR, "temporary filename too long: %s\n", fname);
+ rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
fnametmp[0] = '\0';
return 0;
}
return 1;
}
+/* Opens a temporary file for writing.
+ * Success: Writes name into fnametmp, returns fd.
+ * Failure: Clobbers fnametmp, returns -1.
+ * Calling cleanup_set() is the caller's job. */
+int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
+{
+ int fd;
+
+ if (!get_tmpname(fnametmp, fname))
+ return -1;
+
+ /* We initially set the perms without the setuid/setgid bits or group
+ * access to ensure that there is no race condition. They will be
+ * correctly updated after the right owner and group info is set.
+ * (Thanks to snabb@epipe.fi for pointing this out.) */
+ fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
+
+#if 0
+ /* In most cases parent directories will already exist because their
+ * information should have been previously transferred, but that may
+ * not be the case with -R */
+ if (fd == -1 && relative_paths && errno == ENOENT
+ && create_directory_path(fnametmp) == 0) {
+ /* Get back to name with XXXXXX in it. */
+ get_tmpname(fnametmp, fname);
+ fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
+ }
+#endif
+
+ if (fd == -1) {
+ rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
+ full_fname(fnametmp));
+ return -1;
+ }
+
+ return fd;
+}
static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
const char *fname, int fd, OFF_T total_size)
sum.flength = (OFF_T)sum.count * sum.blength;
if (sum.remainder)
sum.flength -= sum.blength - sum.remainder;
- for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
- if (do_progress)
- show_progress(offset, total_size);
- sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
- CHUNK_SIZE);
- offset = j;
- }
- if (offset < sum.flength) {
- int32 len = (int32)(sum.flength - offset);
- if (do_progress)
- show_progress(offset, total_size);
- sum_update(map_ptr(mapbuf, offset, len), len);
- offset = sum.flength;
+ if (append_mode == 2) {
+ for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
+ if (do_progress)
+ show_progress(offset, total_size);
+ sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
+ CHUNK_SIZE);
+ offset = j;
+ }
+ if (offset < sum.flength) {
+ int32 len = (int32)(sum.flength - offset);
+ if (do_progress)
+ show_progress(offset, total_size);
+ sum_update(map_ptr(mapbuf, offset, len), len);
+ }
}
+ offset = sum.flength;
if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
- rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
+ rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
full_fname(fname), (double)j, (double)offset);
exit_cleanup(RERR_FILEIO);
}
sum_update(map, len);
}
- if (updating_basis) {
+ if (updating_basis_or_equiv) {
if (offset == offset2 && fd != -1) {
OFF_T pos;
if (flush_write_file(fd) < 0)
goto report_write_error;
offset += len;
if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
- rsyserr(FERROR, errno,
+ rsyserr(FERROR_XFER, errno,
"lseek of %s returned %.0f, not %.0f",
full_fname(fname),
(double)pos, (double)offset);
goto report_write_error;
#ifdef HAVE_FTRUNCATE
- if (inplace && fd != -1)
- ftruncate(fd, offset);
+ if (inplace && fd != -1
+ && ftruncate(fd, offset) < 0) {
+ rsyserr(FERROR_XFER, errno, "ftruncate failed on %s",
+ full_fname(fname));
+ }
#endif
if (do_progress)
if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
report_write_error:
- rsyserr(FERROR, errno, "write failed on %s",
+ rsyserr(FERROR_XFER, errno, "write failed on %s",
full_fname(fname));
exit_cleanup(RERR_FILEIO);
}
/* We don't use robust_rename() here because the
* partial-dir must be on the same drive. */
if (do_rename(partialptr, fname) < 0) {
- rsyserr(FERROR, errno,
+ rsyserr(FERROR_XFER, errno,
"rename failed for %s (from %s)",
full_fname(fname), partialptr);
} else {
}
}
-static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
+static void no_batched_update(int ndx, BOOL is_redo)
{
- while (next_gen_ndx < desired_ndx) {
- if (next_gen_ndx >= 0) {
- rprintf(FINFO,
- "(No batched update for%s \"%s\")\n",
- redoing ? " resend of" : "",
- f_name(cur_flist->files[next_gen_ndx], NULL));
- }
- next_gen_ndx = read_int(fd);
- if (next_gen_ndx == -1) {
- if (inc_recurse)
- next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start;
- else
- next_gen_ndx = cur_flist->used;
+ struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
+ struct file_struct *file = flist->files[ndx - flist->ndx_start];
+
+ rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
+ is_redo ? " resend of" : "", f_name(file, NULL));
+
+ if (inc_recurse && !dry_run)
+ send_msg_int(MSG_NO_SEND, ndx);
+}
+
+static int we_want_redo(int desired_ndx)
+{
+ static int redo_ndx = -1;
+
+ while (redo_ndx < desired_ndx) {
+ if (redo_ndx >= 0)
+ no_batched_update(redo_ndx, True);
+ if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0)
+ return 0;
+ }
+
+ if (redo_ndx == desired_ndx) {
+ redo_ndx = -1;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int gen_wants_ndx(int desired_ndx)
+{
+ static int next_ndx = -1;
+ static int done_cnt = 0;
+ static BOOL got_eof = False;
+ int flist_num = first_flist->flist_num;
+
+ if (got_eof)
+ return 0;
+
+ while (next_ndx < desired_ndx) {
+ if (inc_recurse && flist_num <= done_cnt)
+ return 0;
+ if (next_ndx >= 0)
+ no_batched_update(next_ndx, False);
+ if ((next_ndx = read_int(batch_gen_fd)) < 0) {
+ if (inc_recurse) {
+ done_cnt++;
+ continue;
+ }
+ got_eof = True;
+ return 0;
}
}
- return next_gen_ndx;
+
+ if (next_ndx == desired_ndx) {
+ next_ndx = -1;
+ return 1;
+ }
+
+ return 0;
}
/**
* Receiver process runs on the same host as the generator process. */
int recv_files(int f_in, char *local_name)
{
- int next_gen_ndx = -1;
int fd1,fd2;
STRUCT_STAT st;
int iflags, xlen;
if (delay_updates)
delayed_bits = bitbag_create(cur_flist->used + 1);
- updating_basis = inplace;
-
while (1) {
cleanup_disable();
xname, &xlen);
if (ndx == NDX_DONE) {
if (inc_recurse && first_flist) {
+ if (read_batch)
+ gen_wants_ndx(first_flist->used + first_flist->ndx_start);
flist_free(first_flist);
if (first_flist)
continue;
- }
- if (read_batch && cur_flist) {
- int high = inc_recurse
- ? first_flist->prev->used + first_flist->prev->ndx_start
- : cur_flist->used;
- get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
- next_gen_ndx = -1;
- }
+ } else if (read_batch && first_flist)
+ gen_wants_ndx(first_flist->used);
if (++phase > max_phase)
break;
if (verbose > 2)
if (csum_length == SHORT_SUM_LENGTH) {
if (keep_partial && !partial_dir)
make_backups = -make_backups; /* prevents double backup */
+ if (append_mode)
+ sparse_files = -sparse_files;
append_mode = -append_mode;
- sparse_files = -sparse_files;
csum_length = SUM_LENGTH;
redoing = 1;
}
if (csum_length != SHORT_SUM_LENGTH) {
if (keep_partial && !partial_dir)
make_backups = -make_backups;
+ if (append_mode)
+ sparse_files = -sparse_files;
append_mode = -append_mode;
- sparse_files = -sparse_files;
csum_length = SHORT_SUM_LENGTH;
redoing = 0;
}
}
- stats.current_file_index = ndx;
+ if (!am_server && do_progress)
+ set_current_file_index(file, ndx);
stats.num_transferred_files++;
stats.total_transferred_size += F_LENGTH(file);
+
cleanup_got_literal = 0;
- if (server_filter_list.head
- && check_filter(&server_filter_list, fname, 0) < 0) {
+ if (daemon_filter_list.head
+ && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) {
rprintf(FERROR, "attempt to hack rsync failed.\n");
exit_cleanup(RERR_PROTOCOL);
}
+ if (read_batch) {
+ int wanted = redoing
+ ? we_want_redo(ndx)
+ : gen_wants_ndx(ndx);
+ if (!wanted) {
+ rprintf(FINFO,
+ "(Skipping batched update for%s \"%s\")\n",
+ redoing ? " resend of" : "",
+ fname);
+ discard_receive_data(f_in, F_LENGTH(file));
+ file->flags |= FLAG_FILE_SENT;
+ continue;
+ }
+ }
+
if (!do_xfers) { /* log the transfer */
log_item(FCLIENT, file, &stats, iflags, NULL);
if (read_batch)
continue;
}
if (write_batch < 0) {
- log_item(FINFO, file, &stats, iflags, NULL);
+ log_item(FCLIENT, file, &stats, iflags, NULL);
if (!am_server)
discard_receive_data(f_in, F_LENGTH(file));
continue;
}
- if (read_batch) {
- next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
- if (ndx < next_gen_ndx) {
- rprintf(FINFO,
- "(Skipping batched update for \"%s\")\n",
- fname);
- discard_receive_data(f_in, F_LENGTH(file));
- if (inc_recurse)
- send_msg_int(MSG_NO_SEND, ndx);
- continue;
- }
- next_gen_ndx = -1;
- }
-
partialptr = partial_dir ? partial_dir_fname(fname) : fname;
if (protocol_version >= 29) {
fnamecmp = get_backup_name(fname);
break;
case FNAMECMP_FUZZY:
- updating_basis = 0;
if (file->dirname) {
pathjoin(fnamecmpbuf, MAXPATHLEN,
file->dirname, xname);
fnamecmp = xname;
break;
default:
- updating_basis = 0;
if (fnamecmp_type >= basis_dir_cnt) {
rprintf(FERROR,
"invalid basis_dir index: %d.\n",
fnamecmp = fnamecmpbuf;
break;
}
- if (!fnamecmp || (server_filter_list.head
- && check_filter(&server_filter_list, fname, 0) < 0))
+ if (!fnamecmp || (daemon_filter_list.head
+ && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
fnamecmp = fname;
+ fnamecmp_type = FNAMECMP_FNAME;
+ }
} else {
/* Reminder: --inplace && --partial-dir are never
* enabled at the same time. */
if (inplace && make_backups > 0) {
if (!(fnamecmp = get_backup_name(fname)))
fnamecmp = fname;
+ else
+ fnamecmp_type = FNAMECMP_BACKUP;
} else if (partial_dir && partialptr)
fnamecmp = partialptr;
else
}
}
+ updating_basis_or_equiv = inplace
+ && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
+
if (fd1 == -1) {
st.st_mode = 0;
st.st_size = 0;
} else if (do_fstat(fd1,&st) != 0) {
- rsyserr(FERROR, errno, "fstat %s failed",
+ rsyserr(FERROR_XFER, errno, "fstat %s failed",
full_fname(fnamecmp));
discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
* and the underlying robust_unlink could cope
* with directories
*/
- rprintf(FERROR,"recv_files: %s is a directory\n",
+ rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
full_fname(fnamecmp));
discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
if (inplace) {
fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
if (fd2 == -1) {
- rsyserr(FERROR, errno, "open %s failed",
+ rsyserr(FERROR_XFER, errno, "open %s failed",
full_fname(fname));
- discard_receive_data(f_in, F_LENGTH(file));
- if (fd1 != -1)
- close(fd1);
- if (inc_recurse)
- send_msg_int(MSG_NO_SEND, ndx);
- continue;
}
} else {
- if (!get_tmpname(fnametmp,fname)) {
- discard_receive_data(f_in, F_LENGTH(file));
- if (fd1 != -1)
- close(fd1);
- if (inc_recurse)
- send_msg_int(MSG_NO_SEND, ndx);
- continue;
- }
-
- /* we initially set the perms without the
- * setuid/setgid bits to ensure that there is no race
- * condition. They are then correctly updated after
- * the lchown. Thanks to snabb@epipe.fi for pointing
- * this out. We also set it initially without group
- * access because of a similar race condition. */
- fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
-
- /* in most cases parent directories will already exist
- * because their information should have been previously
- * transferred, but that may not be the case with -R */
- if (fd2 == -1 && relative_paths && errno == ENOENT
- && create_directory_path(fnametmp) == 0) {
- /* Get back to name with XXXXXX in it. */
- get_tmpname(fnametmp, fname);
- fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
- }
- if (fd2 == -1) {
- rsyserr(FERROR, errno, "mkstemp %s failed",
- full_fname(fnametmp));
- discard_receive_data(f_in, F_LENGTH(file));
- if (fd1 != -1)
- close(fd1);
- if (inc_recurse)
- send_msg_int(MSG_NO_SEND, ndx);
- continue;
- }
+ fd2 = open_tmpfile(fnametmp, fname, file);
+ if (fd2 != -1)
+ cleanup_set(fnametmp, partialptr, file, fd1, fd2);
+ }
- cleanup_set(fnametmp, partialptr, file, fd1, fd2);
+ if (fd2 == -1) {
+ discard_receive_data(f_in, F_LENGTH(file));
+ if (fd1 != -1)
+ close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
+ continue;
}
/* log the transfer */
}
if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
- char *temp_copy_name;
if (partialptr == fname)
- partialptr = temp_copy_name = NULL;
- else if (*partial_dir == '/')
- temp_copy_name = NULL;
- else
- temp_copy_name = partialptr;
- finish_transfer(fname, fnametmp, fnamecmp,
- temp_copy_name, file, recv_ok, 1);
- if (fnamecmp == partialptr) {
+ partialptr = NULL;
+ if (!finish_transfer(fname, fnametmp, fnamecmp,
+ partialptr, file, recv_ok, 1))
+ recv_ok = -1;
+ else if (fnamecmp == partialptr) {
do_unlink(partialptr);
handle_partial_dir(partialptr, PDIR_DELETE);
}
- } else if (keep_partial && partialptr
- && handle_partial_dir(partialptr, PDIR_CREATE)) {
- finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
- file, recv_ok, !partial_dir);
- if (delay_updates && recv_ok) {
- bitbag_set_bit(delayed_bits, ndx);
+ } else if (keep_partial && partialptr) {
+ if (!handle_partial_dir(partialptr, PDIR_CREATE)) {
+ rprintf(FERROR,
+ "Unable to create partial-dir for %s -- discarding %s.\n",
+ local_name ? local_name : f_name(file, NULL),
+ recv_ok ? "completed file" : "partial file");
+ do_unlink(fnametmp);
recv_ok = -1;
- }
- } else {
- partialptr = NULL;
+ } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
+ file, recv_ok, !partial_dir))
+ recv_ok = -1;
+ else if (delay_updates && recv_ok) {
+ bitbag_set_bit(delayed_bits, ndx);
+ recv_ok = 2;
+ } else
+ partialptr = NULL;
+ } else
do_unlink(fnametmp);
- }
cleanup_disable();
- if (recv_ok > 0) {
+ if (read_batch)
+ file->flags |= FLAG_FILE_SENT;
+
+ switch (recv_ok) {
+ case 2:
+ break;
+ case 1:
if (remove_source_files || inc_recurse
|| (preserve_hard_links && F_IS_HLINKED(file)))
send_msg_int(MSG_SUCCESS, ndx);
- } else if (!recv_ok) {
- enum logcode msgtype = redoing || read_batch ? FERROR : FINFO;
- if (msgtype == FERROR || verbose) {
+ break;
+ case 0: {
+ enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
+ if (msgtype == FERROR_XFER || verbose) {
char *errstr, *redostr, *keptstr;
if (!(keep_partial && partialptr) && !inplace)
keptstr = "discarded";
keptstr = "put into partial-dir";
else
keptstr = "retained";
- if (msgtype == FERROR) {
+ if (msgtype == FERROR_XFER) {
errstr = "ERROR";
redostr = "";
} else {
errstr = "WARNING";
- redostr = " (will try again)";
+ redostr = read_batch ? " (may try again)"
+ : " (will try again)";
}
rprintf(msgtype,
"%s: %s failed verification -- update %s%s.\n",
- errstr, fname, keptstr, redostr);
+ errstr, local_name ? f_name(file, NULL) : fname,
+ keptstr, redostr);
}
if (!redoing) {
+ if (read_batch)
+ flist_ndx_push(&batch_redo_list, ndx);
send_msg_int(MSG_REDO, ndx);
file->flags |= FLAG_FILE_SENT;
} else if (inc_recurse)
send_msg_int(MSG_NO_SEND, ndx);
+ break;
+ }
+ case -1:
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
+ break;
}
}
if (make_backups < 0)