-/* -*- 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, 2004, 2005, 2006 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 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
#include "rsync.h"
extern int verbose;
extern int do_xfers;
-extern int am_daemon;
extern int am_server;
extern int do_progress;
extern int log_before_transfer;
-extern int log_format_has_i;
-extern int daemon_log_format_has_i;
+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 basis_dir_cnt;
extern int make_backups;
extern int cleanup_got_literal;
-extern int remove_sent_files;
-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 inplace;
extern int delay_updates;
extern struct stats stats;
-extern char *log_format;
+extern char *stdout_format;
extern char *tmpdir;
extern char *partial_dir;
extern char *basis_dir[];
extern struct file_list *the_file_list;
extern struct filter_list_struct server_filter_list;
-#define SLOT_SIZE (16*1024) /* Desired size in bytes */
-#define PER_SLOT_BITS (SLOT_SIZE * 8) /* Number of bits per slot */
-#define PER_SLOT_INTS (SLOT_SIZE / 4) /* Number of int32s per slot */
-
-static uint32 **delayed_bits = NULL;
-static int delayed_slot_cnt = 0;
+static struct bitbag *delayed_bits = NULL;
static int phase = 0;
-
-static void init_delayed_bits(int max_ndx)
-{
- delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS;
-
- if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*))))
- out_of_memory("set_delayed_bit");
-}
-
-static void set_delayed_bit(int ndx)
-{
- int slot = ndx / PER_SLOT_BITS;
- ndx %= PER_SLOT_BITS;
-
- if (!delayed_bits[slot]) {
- if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4)))
- out_of_memory("set_delayed_bit");
- }
-
- delayed_bits[slot][ndx/32] |= 1u << (ndx % 32);
-}
-
-/* Call this with -1 to start checking from 0. Returns -1 at the end. */
-static int next_delayed_bit(int after)
-{
- uint32 bits, mask;
- int i, ndx = after + 1;
- int slot = ndx / PER_SLOT_BITS;
- ndx %= PER_SLOT_BITS;
-
- mask = (1u << (ndx % 32)) - 1;
- for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) {
- if (!delayed_bits[slot])
- continue;
- for ( ; i < PER_SLOT_INTS; i++, mask = 0) {
- if (!(bits = delayed_bits[slot][i] & ~mask))
- continue;
- /* The xor magic figures out the lowest enabled bit in
- * bits, and the switch quickly computes log2(bit). */
- switch (bits ^ (bits & (bits-1))) {
-#define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n
- LOG2(0); LOG2(1); LOG2(2); LOG2(3);
- LOG2(4); LOG2(5); LOG2(6); LOG2(7);
- LOG2(8); LOG2(9); LOG2(10); LOG2(11);
- LOG2(12); LOG2(13); LOG2(14); LOG2(15);
- LOG2(16); LOG2(17); LOG2(18); LOG2(19);
- LOG2(20); LOG2(21); LOG2(22); LOG2(23);
- LOG2(24); LOG2(25); LOG2(26); LOG2(27);
- LOG2(28); LOG2(29); LOG2(30); LOG2(31);
- }
- return -1; /* impossible... */
- }
- }
-
- return -1;
-}
+/* We're either updating the basis file or an identical copy: */
+static int updating_basis;
/*
static int get_tmpname(char *fnametmp, char *fname)
{
+ int maxname, added, length = 0;
char *f;
- int length = 0;
- int maxname;
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 */
+ /* The maxname value is bufsize, and includes space for the '\0'.
+ * (Note that NAME_MAX get -8 for the leading '.' above.) */
maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
if (maxname < 1) {
return 0;
}
- strlcpy(fnametmp + length, f, maxname);
- strcat(fnametmp + length, ".XXXXXX");
+ added = strlcpy(fnametmp + length, f, maxname);
+ if (added >= maxname)
+ added = maxname - 1;
+ memcpy(fnametmp + length + added, ".XXXXXX", 8);
return 1;
}
sum_update(map_ptr(mapbuf, offset, len), len);
offset = sum.flength;
}
- if (fd != -1 && do_lseek(fd, offset, SEEK_SET) != offset) {
- rsyserr(FERROR, errno, "lseek failed on %s",
- full_fname(fname));
+ if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
+ rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f",
+ full_fname(fname), (double)j, (double)offset);
exit_cleanup(RERR_FILEIO);
}
}
sum_update(map, len);
}
- if (inplace) {
+ if (updating_basis) {
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) {
+ if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
rsyserr(FERROR, errno,
- "lseek failed on %s",
- full_fname(fname));
+ "lseek of %s returned %.0f, not %.0f",
+ full_fname(fname),
+ (double)pos, (double)offset);
exit_cleanup(RERR_FILEIO);
}
continue;
char *fname, *partialptr, numbuf[4];
int i;
- for (i = -1; (i = next_delayed_bit(i)) >= 0; ) {
+ for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
struct file_struct *file = flist->files[i];
- fname = local_name ? local_name : f_name(file);
+ fname = local_name ? local_name : f_name(file, NULL);
if ((partialptr = partial_dir_fname(fname)) != NULL) {
if (make_backups && !make_backup(fname))
continue;
"rename failed for %s (from %s)",
full_fname(fname), partialptr);
} else {
- if (remove_sent_files
+ if (remove_source_files
|| (preserve_hard_links
&& file->link_u.links)) {
SIVAL(numbuf, 0, i);
rprintf(FINFO,
"(No batched update for%s \"%s\")\n",
phase ? " resend of" : "",
- f_name(the_file_list->files[next_gen_i]));
+ f_name(the_file_list->files[next_gen_i], NULL));
}
next_gen_i = read_int(batch_gen_fd);
if (next_gen_i == -1)
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 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 i, recv_ok;
}
if (delay_updates)
- init_delayed_bits(flist->count);
+ delayed_bits = bitbag_create(flist->count);
+
+ updating_basis = inplace;
while (1) {
cleanup_disable();
continue;
file = flist->files[i];
- fname = local_name ? local_name : f_name_to(file, fbuf);
+ fname = local_name ? local_name : f_name(file, fbuf);
if (verbose > 2)
rprintf(FINFO, "recv_files(%s)\n", fname);
}
if (!do_xfers) { /* log the transfer */
- if (!am_server && log_format)
- log_item(file, &stats, iflags, NULL);
+ log_item(FCLIENT, file, &stats, iflags, NULL);
if (read_batch)
discard_receive_data(f_in, file->length);
continue;
}
if (write_batch < 0) {
- log_item(file, &stats, iflags, NULL);
+ log_item(FINFO, file, &stats, iflags, NULL);
if (!am_server)
discard_receive_data(f_in, file->length);
continue;
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",
}
}
- if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
+ if (fd1 == -1) {
+ st.st_mode = 0;
+ st.st_size = 0;
+ } else if (do_fstat(fd1,&st) != 0) {
rsyserr(FERROR, errno, "fstat %s failed",
full_fname(fnamecmp));
discard_receive_data(f_in, file->length);
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;
+ file->mode = dest_mode(file->mode, st.st_mode, 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, 0600);
if (fd2 == -1) {
* 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) {
+ && create_directory_path(fnametmp) == 0) {
/* Get back to name with XXXXXX in it. */
get_tmpname(fnametmp, fname);
fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
continue;
}
- if (keep_partial)
- cleanup_set(fnametmp, partialptr, file, fd1, fd2);
+ cleanup_set(fnametmp, partialptr, file, fd1, fd2);
}
/* log the transfer */
if (log_before_transfer)
- log_item(file, &initial_stats, iflags, NULL);
+ log_item(FCLIENT, file, &initial_stats, iflags, NULL);
else if (!am_server && verbose && do_progress)
rprintf(FINFO, "%s\n", fname);
recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
fname, fd2, file->length);
- if (!log_before_transfer)
- log_item(file, &initial_stats, iflags, NULL);
+ 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) {
+ 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, temp_copy_name,
+ file, recv_ok, 1);
+ 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);
+ finish_transfer(partialptr, fnametmp, NULL,
+ file, recv_ok, !partial_dir);
if (delay_updates && recv_ok) {
- set_delayed_bit(i);
+ bitbag_set_bit(delayed_bits, i);
recv_ok = -1;
}
} else {
cleanup_disable();
if (recv_ok > 0) {
- if (remove_sent_files
+ if (remove_source_files
|| (preserve_hard_links && file->link_u.links)) {
SIVAL(numbuf, 0, i);
send_msg(MSG_SUCCESS, numbuf, 4);