-/* -*- c-file-style: "linux" -*-
-
- Copyright (C) 1996-2000 by Andrew Tridgell
- Copyright (C) Paul Mackerras 1996
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+/*
+ * Routines only used by the receiving process.
+ *
+ * Copyright (C) 1996-2000 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * 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
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
#include "rsync.h"
+#include "inums.h"
-extern int verbose;
extern int dry_run;
-extern int am_daemon;
+extern int do_xfers;
extern int am_server;
-extern int do_progress;
+extern int inc_recurse;
extern int log_before_transfer;
-extern int log_format_has_i;
-extern int daemon_log_format_has_i;
-extern int delete_after;
+extern int stdout_format_has_i;
+extern int logfile_format_has_i;
extern int csum_length;
extern int read_batch;
+extern int write_batch;
extern int batch_gen_fd;
extern int protocol_version;
extern int relative_paths;
-extern int keep_dirlinks;
extern int preserve_hard_links;
extern int preserve_perms;
-extern int io_error;
+extern int preserve_xattrs;
extern int basis_dir_cnt;
extern int make_backups;
extern int cleanup_got_literal;
-extern int module_id;
-extern int ignore_errors;
-extern int orig_umask;
+extern int remove_source_files;
+extern int append_mode;
+extern int sparse_files;
extern int keep_partial;
+extern int checksum_len;
extern int checksum_seed;
extern int inplace;
extern int delay_updates;
+extern mode_t orig_umask;
extern struct stats stats;
-extern char *log_format;
extern char *tmpdir;
extern char *partial_dir;
-extern char *basis_dir[];
-
-extern struct filter_list_struct server_filter_list;
-
-
-/* This deletes any files on the receiving side that are not present on the
- * sending side. This is used by --delete-before and --delete-after. */
-void delete_files(struct file_list *flist)
-{
- char fbuf[MAXPATHLEN];
- int j;
-
- for (j = 0; j < flist->count; j++) {
- struct file_struct *file = flist->files[j];
-
- if (!(file->flags & FLAG_DEL_HERE))
- continue;
-
- f_name_to(file, fbuf);
- if (verbose > 1 && file->flags & FLAG_TOP_DIR)
- rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
-
- delete_in_dir(flist, fbuf, file);
- }
-}
-
-
-/*
- * get_tmpname() - create a tmp filename for a given filename
+extern char *basis_dir[MAX_BASIS_DIRS+1];
+extern char sender_file_sum[MAX_DIGEST_LEN];
+extern struct file_list *cur_flist, *first_flist, *dir_flist;
+extern filter_rule_list 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_or_equiv;
+
+#define TMPNAME_SUFFIX ".XXXXXX"
+#define TMPNAME_SUFFIX_LEN ((int)sizeof TMPNAME_SUFFIX - 1)
+#define MAX_UNIQUE_NUMBER 999999
+#define MAX_UNIQUE_LOOP 100
+
+/* get_tmpname() - create a tmp filename for a given filename
*
- * If a tmpdir is defined, use that as the directory to
- * put it in. Otherwise, the tmp filename is in the same
- * directory as the given name. Note that there may be no
- * directory at all in the given name!
+ * If a tmpdir is defined, use that as the directory to put it in. Otherwise,
+ * the tmp filename is in the same directory as the given name. Note that
+ * there may be no directory at all in the given name!
*
- * The tmp filename is basically the given filename with a
- * dot prepended, and .XXXXXX appended (for mkstemp() to
- * put its unique gunk in). Take care to not exceed
- * either the MAXPATHLEN or NAME_MAX, esp. the last, as
- * the basename basically becomes 8 chars longer. In that
- * case, the original name is shortened sufficiently to
- * make it all fit.
+ * The tmp filename is basically the given filename with a dot prepended, and
+ * .XXXXXX appended (for mkstemp() to put its unique gunk in). We take care
+ * to not exceed either the MAXPATHLEN or NAME_MAX, especially the last, as
+ * the basename basically becomes 8 characters longer. In such a case, the
+ * original name is shortened sufficiently to make it all fit.
*
- * Of course, there's no real reason for the tmp name to
- * look like the original, except to satisfy us humans.
- * As long as it's unique, rsync will work.
- */
-
-static int get_tmpname(char *fnametmp, char *fname)
+ * If the make_unique arg is True, the XXXXXX string is replaced with a unique
+ * string that doesn't exist at the time of the check. This is intended to be
+ * used for creating hard links, symlinks, devices, and special files, since
+ * normal files should be handled by mkstemp() for safety.
+ *
+ * Of course, the only reason the file is based on the original name is to
+ * make it easier to figure out what purpose a temp file is serving when a
+ * transfer is in progress. */
+int get_tmpname(char *fnametmp, const char *fname, BOOL make_unique)
{
- char *f;
- int length = 0;
- int maxname;
+ int maxname, added, length = 0;
+ const char *f;
+ char *suf;
if (tmpdir) {
/* Note: this can't overflow, so the return value is safe */
length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
fnametmp[length++] = '/';
- fnametmp[length] = '\0'; /* always NULL terminated */
}
if ((f = strrchr(fname, '/')) != NULL) {
} else
f = fname;
fnametmp[length++] = '.';
- fnametmp[length] = '\0'; /* always NULL terminated */
- maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
+ /* The maxname value is bufsize, and includes space for the '\0'.
+ * NAME_MAX needs an extra -1 for the name's leading dot. */
+ maxname = MIN(MAXPATHLEN - length - TMPNAME_SUFFIX_LEN,
+ NAME_MAX - 1 - TMPNAME_SUFFIX_LEN);
if (maxname < 1) {
- rprintf(FERROR, "temporary filename too long: %s\n",
- safe_fname(fname));
+ rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
fnametmp[0] = '\0';
return 0;
}
- strlcpy(fnametmp + length, f, maxname);
- strcat(fnametmp + length, ".XXXXXX");
+ added = strlcpy(fnametmp + length, f, maxname);
+ if (added >= maxname)
+ added = maxname - 1;
+ suf = fnametmp + length + added;
+
+ if (make_unique) {
+ static unsigned counter_limit;
+ unsigned counter;
+
+ if (!counter_limit) {
+ counter_limit = (unsigned)getpid() + MAX_UNIQUE_LOOP;
+ if (counter_limit > MAX_UNIQUE_NUMBER || counter_limit < MAX_UNIQUE_LOOP)
+ counter_limit = MAX_UNIQUE_LOOP;
+ }
+ counter = counter_limit - MAX_UNIQUE_LOOP;
+
+ /* This doesn't have to be very good because we don't need
+ * to worry about someone trying to guess the values: all
+ * a conflict will do is cause a device, special file, hard
+ * link, or symlink to fail to be created. Also: avoid
+ * using mktemp() due to gcc's annoying warning. */
+ while (1) {
+ snprintf(suf, TMPNAME_SUFFIX_LEN+1, ".%d", counter);
+ if (access(fnametmp, 0) < 0)
+ break;
+ if (++counter >= counter_limit)
+ return 0;
+ }
+ } else
+ memcpy(suf, TMPNAME_SUFFIX, TMPNAME_SUFFIX_LEN+1);
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, False))
+ 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
+ && make_path(fnametmp, MKP_SKIP_SLASH | MKP_DROP_NAME) == 0) {
+ /* Get back to name with XXXXXX in it. */
+ get_tmpname(fnametmp, fname, False);
+ 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,
- char *fname, int fd, OFF_T total_size)
+ const char *fname, int fd, OFF_T total_size)
{
- static char file_sum1[MD4_SUM_LENGTH];
- static char file_sum2[MD4_SUM_LENGTH];
+ static char file_sum1[MAX_DIGEST_LEN];
struct map_struct *mapbuf;
struct sum_struct sum;
int32 len;
if (fd_r >= 0 && size_r > 0) {
int32 read_size = MAX(sum.blength * 2, 16*1024);
mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
- if (verbose > 2) {
- rprintf(FINFO, "recv mapped %s of size %.0f\n",
- safe_fname(fname_r), (double)size_r);
+ if (DEBUG_GTE(DELTASUM, 2)) {
+ rprintf(FINFO, "recv mapped %s of size %s\n",
+ fname_r, big_num(size_r));
}
} else
mapbuf = NULL;
sum_init(checksum_seed);
+ if (append_mode > 0) {
+ OFF_T j;
+ sum.flength = (OFF_T)sum.count * sum.blength;
+ if (sum.remainder)
+ sum.flength -= sum.blength - sum.remainder;
+ if (append_mode == 2) {
+ for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
+ if (INFO_GTE(PROGRESS, 1))
+ 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 (INFO_GTE(PROGRESS, 1))
+ 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_XFER, errno, "lseek of %s returned %s, not %s",
+ full_fname(fname), big_num(j), big_num(offset));
+ exit_cleanup(RERR_FILEIO);
+ }
+ }
+
while ((i = recv_token(f_in, &data)) != 0) {
- if (do_progress)
+ if (INFO_GTE(PROGRESS, 1))
show_progress(offset, total_size);
if (i > 0) {
- if (verbose > 3) {
- rprintf(FINFO,"data recv %d at %.0f\n",
- i,(double)offset);
+ if (DEBUG_GTE(DELTASUM, 3)) {
+ rprintf(FINFO,"data recv %d at %s\n",
+ i, big_num(offset));
}
stats.literal_data += i;
stats.matched_data += len;
- if (verbose > 3) {
+ if (DEBUG_GTE(DELTASUM, 3)) {
rprintf(FINFO,
- "chunk[%d] of size %ld at %.0f offset=%.0f\n",
- i, (long)len, (double)offset2, (double)offset);
+ "chunk[%d] of size %ld at %s offset=%s\n",
+ i, (long)len, big_num(offset2), big_num(offset));
}
if (mapbuf) {
sum_update(map, len);
}
- if (inplace) {
+ 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 (do_lseek(fd, len, SEEK_CUR) != offset) {
- rsyserr(FERROR, errno,
- "lseek failed on %s",
- full_fname(fname));
+ if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
+ rsyserr(FERROR_XFER, errno,
+ "lseek of %s returned %s, not %s",
+ full_fname(fname),
+ big_num(pos), big_num(offset));
exit_cleanup(RERR_FILEIO);
}
continue;
}
}
- if (fd != -1 && write_file(fd, map, len) != (int)len)
+ if (fd != -1 && map && write_file(fd, map, len) != (int)len)
goto report_write_error;
offset += len;
}
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 (INFO_GTE(PROGRESS, 1))
end_progress(total_size);
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);
}
- sum_end(file_sum1);
+ if (sum_end(file_sum1) != checksum_len)
+ overflow_exit("checksum_len"); /* Impossible... */
if (mapbuf)
unmap_file(mapbuf);
- read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
- if (verbose > 2)
+ read_buf(f_in, sender_file_sum, checksum_len);
+ if (DEBUG_GTE(DELTASUM, 2))
rprintf(FINFO,"got file_sum\n");
- if (fd != -1 && memcmp(file_sum1, file_sum2, MD4_SUM_LENGTH) != 0)
+ if (fd != -1 && memcmp(file_sum1, sender_file_sum, checksum_len) != 0)
return 0;
return 1;
}
-static void read_gen_name(int fd, char *dirname, char *buf)
+static void discard_receive_data(int f_in, OFF_T length)
{
- int dlen;
- int len = read_byte(fd);
-
- if (len & 0x80) {
-#if MAXPATHLEN > 32767
- uchar lenbuf[2];
- read_buf(fd, (char *)lenbuf, 2);
- len = (len & ~0x80) * 0x10000 + lenbuf[0] * 0x100 + lenbuf[1];
-#else
- len = (len & ~0x80) * 0x100 + read_byte(fd);
-#endif
+ receive_data(f_in, NULL, -1, 0, NULL, -1, length);
+}
+
+static void handle_delayed_updates(char *local_name)
+{
+ char *fname, *partialptr;
+ int ndx;
+
+ for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
+ struct file_struct *file = cur_flist->files[ndx];
+ fname = local_name ? local_name : f_name(file, NULL);
+ if ((partialptr = partial_dir_fname(fname)) != NULL) {
+ if (make_backups > 0 && !make_backup(fname, False))
+ continue;
+ if (DEBUG_GTE(RECV, 1)) {
+ rprintf(FINFO, "renaming %s to %s\n",
+ partialptr, fname);
+ }
+ /* 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_XFER, errno,
+ "rename failed for %s (from %s)",
+ full_fname(fname), partialptr);
+ } else {
+ if (remove_source_files
+ || (preserve_hard_links && F_IS_HLINKED(file)))
+ send_msg_int(MSG_SUCCESS, ndx);
+ handle_partial_dir(partialptr, PDIR_DELETE);
+ }
+ }
}
+}
- if (dirname) {
- dlen = strlcpy(buf, dirname, MAXPATHLEN);
- buf[dlen++] = '/';
- } else
- dlen = 0;
+static void no_batched_update(int ndx, BOOL is_redo)
+{
+ struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
+ struct file_struct *file = flist->files[ndx - flist->ndx_start];
- if (dlen + len >= MAXPATHLEN) {
- rprintf(FERROR, "bogus data on generator name pipe\n");
- exit_cleanup(RERR_PROTOCOL);
- }
+ rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
+ is_redo ? " resend of" : "", f_name(file, NULL));
- read_sbuf(fd, buf + dlen, len);
+ if (inc_recurse && !dry_run)
+ send_msg_int(MSG_NO_SEND, ndx);
}
-
-static void discard_receive_data(int f_in, OFF_T length)
+static int we_want_redo(int desired_ndx)
{
- receive_data(f_in, NULL, -1, 0, NULL, -1, length);
+ 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, int flist_num)
+{
+ static int next_ndx = -1;
+ static int done_cnt = 0;
+ static BOOL got_eof = False;
+
+ if (got_eof)
+ return 0;
+
+ /* TODO: integrate gen-reading I/O into perform_io() so this is not needed? */
+ io_flush(FULL_FLUSH);
+
+ 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;
+ }
+ }
+
+ if (next_ndx == desired_ndx) {
+ next_ndx = -1;
+ return 1;
+ }
+
+ return 0;
+}
/**
* main routine for receiver process.
*
* Receiver process runs on the same host as the generator process. */
-int recv_files(int f_in, struct file_list *flist, char *local_name,
- int f_in_name)
+int recv_files(int f_in, int f_out, char *local_name)
{
- int next_gen_i = -1;
int fd1,fd2;
STRUCT_STAT st;
- int iflags;
+ int iflags, xlen;
char *fname, fbuf[MAXPATHLEN];
- char template[MAXPATHLEN];
+ char xname[MAXPATHLEN];
char fnametmp[MAXPATHLEN];
char *fnamecmp, *partialptr;
char fnamecmpbuf[MAXPATHLEN];
- uchar *delayed_bits = NULL;
+ uchar fnamecmp_type;
struct file_struct *file;
struct stats initial_stats;
- int save_make_backups = make_backups;
- int itemizing = am_daemon ? daemon_log_format_has_i
- : !am_server && log_format_has_i;
- int i, recv_ok, phase = 0;
+ int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
+ enum logcode log_code = log_before_transfer ? FLOG : FINFO;
+ int max_phase = protocol_version >= 29 ? 2 : 1;
+ int dflt_perms = (ACCESSPERMS & ~orig_umask);
+#ifdef SUPPORT_ACLS
+ const char *parent_dirname = "";
+#endif
+ int ndx, recv_ok;
- if (verbose > 2)
- rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
+ if (DEBUG_GTE(RECV, 1))
+ rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
- if (flist->hlink_pool) {
- pool_destroy(flist->hlink_pool);
- flist->hlink_pool = NULL;
- }
-
- if (delay_updates) {
- int sz = (flist->count + 7) / 8;
- if (!(delayed_bits = new_array(uchar, sz)))
- out_of_memory("recv_files");
- memset(delayed_bits, 0, sz);
- }
+ if (delay_updates)
+ delayed_bits = bitbag_create(cur_flist->used + 1);
while (1) {
cleanup_disable();
- i = read_int(f_in);
- if (i == -1) {
- if (read_batch) {
- if (next_gen_i != flist->count) {
- do {
- if (f_in_name >= 0
- && next_gen_i >= 0)
- read_byte(f_in_name);
- } while (read_int(batch_gen_fd) != -1);
+ /* This call also sets cur_flist. */
+ ndx = read_ndx_and_attrs(f_in, f_out, &iflags, &fnamecmp_type,
+ xname, &xlen);
+ if (ndx == NDX_DONE) {
+ if (!am_server && INFO_GTE(PROGRESS, 2) && cur_flist) {
+ set_current_file_index(NULL, 0);
+ end_progress(0);
+ }
+ if (inc_recurse && first_flist) {
+ if (read_batch) {
+ ndx = first_flist->used + first_flist->ndx_start;
+ gen_wants_ndx(ndx, first_flist->flist_num);
}
- next_gen_i = -1;
+ flist_free(first_flist);
+ if (first_flist)
+ continue;
+ } else if (read_batch && first_flist) {
+ ndx = first_flist->used;
+ gen_wants_ndx(ndx, first_flist->flist_num);
}
-
- if (phase)
+ if (++phase > max_phase)
break;
-
- phase = 1;
- csum_length = SUM_LENGTH;
- if (verbose > 2)
+ if (DEBUG_GTE(RECV, 1))
rprintf(FINFO, "recv_files phase=%d\n", phase);
- send_msg(MSG_DONE, "", 0);
- if (keep_partial && !partial_dir)
- make_backups = 0; /* prevents double backup */
+ if (phase == 2 && delay_updates)
+ handle_delayed_updates(local_name);
+ write_int(f_out, NDX_DONE);
continue;
}
- if (i < 0 || i >= flist->count) {
- rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n",
- i, flist->count);
- exit_cleanup(RERR_PROTOCOL);
- }
+ if (ndx - cur_flist->ndx_start >= 0)
+ file = cur_flist->files[ndx - cur_flist->ndx_start];
+ else
+ file = dir_flist->files[cur_flist->parent_ndx];
+ fname = local_name ? local_name : f_name(file, fbuf);
- file = flist->files[i];
- fname = local_name ? local_name : f_name_to(file, fbuf);
+ if (DEBUG_GTE(RECV, 1))
+ rprintf(FINFO, "recv_files(%s)\n", fname);
- if (verbose > 2)
- rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname));
+#ifdef SUPPORT_XATTRS
+ if (iflags & ITEM_REPORT_XATTR && do_xfers)
+ recv_xattr_request(file, f_in);
+#endif
- if (protocol_version >= 29) {
- iflags = read_shortint(f_in);
- if (!(iflags & ITEM_UPDATING) || !S_ISREG(file->mode)) {
- int see_item = itemizing && (iflags || verbose > 1);
- if (am_server) {
- if (am_daemon && !dry_run && see_item)
- log_recv(file, &stats, iflags);
- } else if (see_item || iflags & ITEM_UPDATING
- || (S_ISDIR(file->mode)
- && iflags & ITEM_REPORT_TIME))
- log_recv(file, &stats, iflags);
- continue;
+ if (!(iflags & ITEM_TRANSFER)) {
+ maybe_log_item(file, iflags, itemizing, xname);
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers)
+ set_file_attrs(fname, file, NULL, fname, 0);
+#endif
+ if (iflags & ITEM_IS_NEW) {
+ stats.created_files++;
+ if (S_ISREG(file->mode)) {
+ /* Nothing further to count. */
+ } else if (S_ISDIR(file->mode))
+ stats.created_dirs++;
+#ifdef SUPPORT_LINKS
+ else if (S_ISLNK(file->mode))
+ stats.created_symlinks++;
+#endif
+ else if (IS_DEVICE(file->mode))
+ stats.created_devices++;
+ else
+ stats.created_specials++;
}
- } else
- iflags = ITEM_UPDATING | ITEM_MISSING_DATA;
-
- if (!S_ISREG(file->mode)) {
- rprintf(FERROR, "[%s] got index of non-regular file: %d\n",
- who_am_i(), i);
+ continue;
+ }
+ if (phase == 2) {
+ rprintf(FERROR,
+ "got transfer request in phase 2 [%s]\n",
+ who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
- stats.current_file_index = i;
- stats.num_transferred_files++;
- stats.total_transferred_size += file->length;
+ if (file->flags & FLAG_FILE_SENT) {
+ 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;
+ csum_length = SUM_LENGTH;
+ redoing = 1;
+ }
+ } else {
+ 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;
+ csum_length = SHORT_SUM_LENGTH;
+ redoing = 0;
+ }
+ if (iflags & ITEM_IS_NEW)
+ stats.created_files++;
+ }
+
+ if (!am_server && INFO_GTE(PROGRESS, 1))
+ set_current_file_index(file, ndx);
+ stats.xferred_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 (dry_run) { /* log the transfer */
- if (!am_server && log_format)
- log_recv(file, &stats, iflags);
- continue;
- }
-
if (read_batch) {
- while (i > next_gen_i) {
- if (f_in_name >= 0 && next_gen_i >= 0)
- read_byte(f_in_name);
- next_gen_i = read_int(batch_gen_fd);
- if (next_gen_i == -1)
- next_gen_i = flist->count;
- }
- if (i < next_gen_i) {
- rprintf(FINFO, "skipping update for \"%s\"\n",
- safe_fname(fname));
- discard_receive_data(f_in, file->length);
+ int wanted = redoing
+ ? we_want_redo(ndx)
+ : gen_wants_ndx(ndx, cur_flist->flist_num);
+ 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;
}
- next_gen_i = -1;
+ }
+
+ if (!do_xfers) { /* log the transfer */
+ log_item(FCLIENT, file, &stats, iflags, NULL);
+ if (read_batch)
+ discard_receive_data(f_in, F_LENGTH(file));
+ continue;
+ }
+ if (write_batch < 0) {
+ log_item(FCLIENT, file, &stats, iflags, NULL);
+ if (!am_server)
+ discard_receive_data(f_in, F_LENGTH(file));
+ continue;
}
partialptr = partial_dir ? partial_dir_fname(fname) : fname;
- if (f_in_name >= 0) {
- uchar j;
- switch (j = read_byte(f_in_name)) {
+ if (protocol_version >= 29) {
+ switch (fnamecmp_type) {
case FNAMECMP_FNAME:
fnamecmp = fname;
break;
case FNAMECMP_PARTIAL_DIR:
- fnamecmp = partialptr ? partialptr : fname;
+ fnamecmp = partialptr;
break;
case FNAMECMP_BACKUP:
fnamecmp = get_backup_name(fname);
break;
case FNAMECMP_FUZZY:
- read_gen_name(f_in_name, file->dirname, fnamecmpbuf);
- fnamecmp = fnamecmpbuf;
+ if (file->dirname) {
+ pathjoin(fnamecmpbuf, MAXPATHLEN,
+ file->dirname, xname);
+ fnamecmp = fnamecmpbuf;
+ } else
+ fnamecmp = xname;
break;
default:
- if (j >= basis_dir_cnt) {
+ if (fnamecmp_type >= basis_dir_cnt) {
rprintf(FERROR,
"invalid basis_dir index: %d.\n",
- j);
+ fnamecmp_type);
exit_cleanup(RERR_PROTOCOL);
}
pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
- basis_dir[j], fname);
+ basis_dir[fnamecmp_type], fname);
fnamecmp = fnamecmpbuf;
break;
}
- } else
- fnamecmp = fname;
+ 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
+ fnamecmp = fname;
+ }
initial_stats = stats;
/* open the file */
fd1 = do_open(fnamecmp, O_RDONLY, 0);
- if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
- rsyserr(FERROR, errno, "fstat %s failed",
+ if (fd1 == -1 && protocol_version < 29) {
+ if (fnamecmp != fname) {
+ fnamecmp = fname;
+ fd1 = do_open(fnamecmp, O_RDONLY, 0);
+ }
+
+ if (fd1 == -1 && basis_dir[0]) {
+ /* pre-29 allowed only one alternate basis */
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
+ basis_dir[0], fname);
+ fnamecmp = fnamecmpbuf;
+ fd1 = do_open(fnamecmp, O_RDONLY, 0);
+ }
+ }
+
+ 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_XFER, errno, "fstat %s failed",
full_fname(fnamecmp));
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
continue;
}
* 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, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
continue;
}
fd1 = -1;
}
- if (fd1 != -1 && !preserve_perms) {
- /* if the file exists already and we aren't preserving
- * permissions then act as though the remote end sent
- * us the file permissions we already have */
- file->mode = st.st_mode;
+ /* If we're not preserving permissions, change the file-list's
+ * mode based on the local permissions and some heuristics. */
+ if (!preserve_perms) {
+ int exists = fd1 != -1;
+#ifdef SUPPORT_ACLS
+ const char *dn = file->dirname ? file->dirname : ".";
+ if (parent_dirname != dn
+ && strcmp(parent_dirname, dn) != 0) {
+ dflt_perms = default_perms_for_dir(dn);
+ parent_dirname = dn;
+ }
+#endif
+ file->mode = dest_mode(file->mode, st.st_mode,
+ dflt_perms, exists);
}
- /* We now check to see if we are writing file "inplace" */
+ /* We now check to see if we are writing the file "inplace" */
if (inplace) {
- fd2 = do_open(fname, O_WRONLY|O_CREAT, 0);
+ 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, file->length);
- if (fd1 != -1)
- close(fd1);
- continue;
}
} else {
- if (!get_tmpname(fnametmp,fname)) {
- discard_receive_data(f_in, file->length);
- if (fd1 != -1)
- close(fd1);
- continue;
- }
-
- strlcpy(template, fnametmp, sizeof template);
-
- /* 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, orig_umask) == 0) {
- strlcpy(fnametmp, template, sizeof fnametmp);
- fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
- }
- if (fd2 == -1) {
- rsyserr(FERROR, errno, "mkstemp %s failed",
- full_fname(fnametmp));
- discard_receive_data(f_in, file->length);
- if (fd1 != -1)
- close(fd1);
- continue;
- }
-
- if (partialptr)
+ fd2 = open_tmpfile(fnametmp, fname, file);
+ if (fd2 != -1)
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 (log_before_transfer)
- log_recv(file, &initial_stats, iflags);
- else if (!am_server && verbose && do_progress)
- rprintf(FINFO, "%s\n", safe_fname(fname));
+ log_item(FCLIENT, file, &initial_stats, iflags, NULL);
+ else if (!am_server && INFO_GTE(NAME, 1) && INFO_EQ(PROGRESS, 1))
+ rprintf(FINFO, "%s\n", fname);
/* recv file data */
recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
- fname, fd2, file->length);
+ fname, fd2, F_LENGTH(file));
- if (!log_before_transfer)
- log_recv(file, &initial_stats, iflags);
+ log_item(log_code, file, &initial_stats, iflags, NULL);
if (fd1 != -1)
close(fd1);
}
if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
- finish_transfer(fname, fnametmp, file, recv_ok, 1);
- if (partialptr != fname && fnamecmp == partialptr) {
+ if (partialptr == fname)
+ 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, file, recv_ok,
- !partial_dir);
- if (delay_updates && recv_ok)
- delayed_bits[i/8] |= 1 << (i % 8);
- } else {
- partialptr = NULL;
+ } 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 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) {
- int msgtype = csum_length == SUM_LENGTH || read_batch ?
- FERROR : FINFO;
- if (msgtype == FERROR || verbose) {
+ 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);
+ break;
+ case 0: {
+ enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
+ if (msgtype == FERROR_XFER || INFO_GTE(NAME, 1)) {
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, safe_fname(fname),
+ errstr, local_name ? f_name(file, NULL) : fname,
keptstr, redostr);
}
- if (csum_length != SUM_LENGTH) {
- char buf[4];
- SIVAL(buf, 0, i);
- send_msg(MSG_REDO, buf, 4);
- }
- }
- }
- make_backups = save_make_backups;
-
- if (delay_updates) {
- for (i = 0; i < flist->count; i++) {
- struct file_struct *file = flist->files[i];
- if (!file->basename
- || !(delayed_bits[i/8] & (1 << (i % 8))))
- continue;
- fname = local_name ? local_name : f_name(file);
- partialptr = partial_dir_fname(fname);
- if (partialptr) {
- if (make_backups && !make_backup(fname))
- continue;
- if (verbose > 2) {
- rprintf(FINFO, "renaming %s to %s\n",
- safe_fname(partialptr),
- safe_fname(fname));
- }
- if (do_rename(partialptr, fname) < 0) {
- rsyserr(FERROR, errno,
- "rename failed for %s (from %s)",
- full_fname(fname),
- safe_fname(partialptr));
- } else {
- handle_partial_dir(partialptr,
- PDIR_DELETE);
- }
- }
+ 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)
+ make_backups = -make_backups;
- if (delete_after && !local_name && flist->count > 0)
- delete_files(flist);
+ if (phase == 2 && delay_updates) /* for protocol_version < 29 */
+ handle_delayed_updates(local_name);
- if (verbose > 2)
+ if (DEBUG_GTE(RECV, 1))
rprintf(FINFO,"recv_files finished\n");
return 0;