*
* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003-2009 Wayne Davison
+ * Copyright (C) 2003-2015 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 dry_run;
extern int do_xfers;
+extern int am_root;
extern int am_server;
extern int inc_recurse;
extern int log_before_transfer;
extern int stdout_format_has_i;
extern int logfile_format_has_i;
+extern int want_xattr_optim;
extern int csum_length;
extern int read_batch;
extern int write_batch;
extern int remove_source_files;
extern int append_mode;
extern int sparse_files;
+extern int preallocate_files;
extern int keep_partial;
-extern int checksum_len;
extern int checksum_seed;
+extern int whole_file;
extern int inplace;
+extern int allowed_lull;
extern int delay_updates;
+extern int xfersum_type;
extern mode_t orig_umask;
extern struct stats stats;
extern char *tmpdir;
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;
+extern OFF_T preallocated_len;
static struct bitbag *delayed_bits = NULL;
static int phase = 0, redoing = 0;
* transfer is in progress. */
int get_tmpname(char *fnametmp, const char *fname, BOOL make_unique)
{
- int maxname, added, length = 0;
+ int maxname, length = 0;
const char *f;
char *suf;
}
} else
f = fname;
- fnametmp[length++] = '.';
+
+ if (!tmpdir) { /* using a tmpdir avoids the leading dot on our temp names */
+ if (*f == '.') /* avoid an extra leading dot for OS X's sake */
+ f++;
+ fnametmp[length++] = '.';
+ }
/* 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) {
+ if (maxname < 0) {
rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
fnametmp[0] = '\0';
return 0;
}
- added = strlcpy(fnametmp + length, f, maxname);
- if (added >= maxname)
- added = maxname - 1;
- suf = fnametmp + length + added;
+ if (maxname) {
+ int added = strlcpy(fnametmp + length, f, maxname);
+ if (added >= maxname)
+ added = maxname - 1;
+ suf = fnametmp + length + added;
+
+ /* Trim any dangling high-bit chars if the first-trimmed char (if any) is
+ * also a high-bit char, just in case we cut into a multi-byte sequence.
+ * We are guaranteed to stop because of the leading '.' we added. */
+ if ((int)f[added] & 0x80) {
+ while ((int)suf[-1] & 0x80)
+ suf--;
+ }
+ /* trim one trailing dot before our suffix's dot */
+ if (suf[-1] == '.')
+ suf--;
+ } else
+ suf = fnametmp + length - 1; /* overwrite the leading dot with suffix's dot */
if (make_unique) {
static unsigned counter_limit;
int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
{
int fd;
+ mode_t added_perms;
if (!get_tmpname(fnametmp, fname, False))
return -1;
+ if (am_root < 0) {
+ /* For --fake-super, the file must be useable by the copying
+ * user, just like it would be for root. */
+ added_perms = S_IRUSR|S_IWUSR;
+ } else {
+ /* For a normal copy, we need to be able to tweak things like xattrs. */
+ added_perms = S_IWUSR;
+ }
+
/* 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);
+ fd = do_mkstemp(fnametmp, (file->mode|added_perms) & INITACCESSPERMS);
#if 0
/* In most cases parent directories will already exist because their
&& 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);
+ fd = do_mkstemp(fnametmp, (file->mode|added_perms) & INITACCESSPERMS);
}
#endif
static char file_sum1[MAX_DIGEST_LEN];
struct map_struct *mapbuf;
struct sum_struct sum;
+ int sum_len;
int32 len;
OFF_T offset = 0;
OFF_T offset2;
int32 i;
char *map = NULL;
+#ifdef SUPPORT_PREALLOCATION
+ if (preallocate_files && fd != -1 && total_size > 0 && (!inplace || total_size > size_r)) {
+ /* Try to preallocate enough space for file's eventual length. Can
+ * reduce fragmentation on filesystems like ext4, xfs, and NTFS. */
+ if ((preallocated_len = do_fallocate(fd, 0, total_size)) < 0)
+ rsyserr(FWARNING, errno, "do_fallocate %s", full_fname(fname));
+ } else
+#endif
+ if (inplace) {
+#ifdef HAVE_FTRUNCATE
+ /* The most compatible way to create a sparse file is to start with no length. */
+ if (sparse_files > 0 && whole_file && fd >= 0 && do_ftruncate(fd, 0) == 0)
+ preallocated_len = 0;
+ else
+#endif
+ preallocated_len = size_r;
+ } else
+ preallocated_len = 0;
+
read_sum_head(f_in, &sum);
if (fd_r >= 0 && size_r > 0) {
} else
mapbuf = NULL;
- sum_init(checksum_seed);
+ sum_init(xfersum_type, 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) {
+ if (append_mode == 2 && mapbuf) {
for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
if (INFO_GTE(PROGRESS, 1))
show_progress(offset, total_size);
if (INFO_GTE(PROGRESS, 1))
show_progress(offset, total_size);
+ if (allowed_lull)
+ maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH | MSK_ACTIVE_RECEIVER);
+
if (i > 0) {
if (DEBUG_GTE(DELTASUM, 3)) {
rprintf(FINFO,"data recv %d at %s\n",
sum_update(data, i);
- if (fd != -1 && write_file(fd,data,i) != i)
+ if (fd != -1 && write_file(fd, 0, offset, data, i) != i)
goto report_write_error;
offset += i;
continue;
if (DEBUG_GTE(DELTASUM, 3)) {
rprintf(FINFO,
- "chunk[%d] of size %ld at %s offset=%s\n",
- i, (long)len, big_num(offset2), big_num(offset));
+ "chunk[%d] of size %ld at %s offset=%s%s\n",
+ i, (long)len, big_num(offset2), big_num(offset),
+ updating_basis_or_equiv && offset == offset2 ? " (seek)" : "");
}
if (mapbuf) {
if (updating_basis_or_equiv) {
if (offset == offset2 && fd != -1) {
- OFF_T pos;
- if (flush_write_file(fd) < 0)
+ if (skip_matched(fd, offset, map, len) < 0)
goto report_write_error;
offset += len;
- 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 && map && write_file(fd, map, len) != (int)len)
+ if (fd != -1 && map && write_file(fd, 0, offset, map, len) != (int)len)
goto report_write_error;
offset += len;
}
- if (flush_write_file(fd) < 0)
- goto report_write_error;
+ if (fd != -1 && offset > 0) {
+ if (sparse_files > 0) {
+ if (sparse_end(fd, offset) != 0)
+ goto report_write_error;
+ } else if (flush_write_file(fd) < 0) {
+ report_write_error:
+ rsyserr(FERROR_XFER, errno, "write failed on %s", full_fname(fname));
+ exit_cleanup(RERR_FILEIO);
+ }
+ }
#ifdef HAVE_FTRUNCATE
- if (inplace && fd != -1
- && ftruncate(fd, offset) < 0) {
+ /* inplace: New data could be shorter than old data.
+ * preallocate_files: total_size could have been an overestimate.
+ * Cut off any extra preallocated zeros from dest file. */
+ if ((inplace || preallocated_len > offset) && fd != -1 && do_ftruncate(fd, offset) < 0) {
rsyserr(FERROR_XFER, errno, "ftruncate failed on %s",
full_fname(fname));
}
if (INFO_GTE(PROGRESS, 1))
end_progress(total_size);
- if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
- report_write_error:
- rsyserr(FERROR_XFER, errno, "write failed on %s",
- full_fname(fname));
- exit_cleanup(RERR_FILEIO);
- }
-
- if (sum_end(file_sum1) != checksum_len)
- overflow_exit("checksum_len"); /* Impossible... */
+ sum_len = sum_end(file_sum1);
if (mapbuf)
unmap_file(mapbuf);
- read_buf(f_in, sender_file_sum, checksum_len);
+ read_buf(f_in, sender_file_sum, sum_len);
if (DEBUG_GTE(DELTASUM, 2))
rprintf(FINFO,"got file_sum\n");
- if (fd != -1 && memcmp(file_sum1, sender_file_sum, checksum_len) != 0)
+ if (fd != -1 && memcmp(file_sum1, sender_file_sum, sum_len) != 0)
return 0;
return 1;
}
file = dir_flist->files[cur_flist->parent_ndx];
fname = local_name ? local_name : f_name(file, fbuf);
+ 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 (DEBUG_GTE(RECV, 1))
rprintf(FINFO, "recv_files(%s)\n", fname);
#ifdef SUPPORT_XATTRS
- if (iflags & ITEM_REPORT_XATTR && do_xfers)
+ if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers
+ && !(want_xattr_optim && BITS_SET(iflags, ITEM_XNAME_FOLLOWS|ITEM_LOCAL_CHANGE)))
recv_xattr_request(file, f_in);
#endif
if (!(iflags & ITEM_TRANSFER)) {
maybe_log_item(file, iflags, itemizing, xname);
#ifdef SUPPORT_XATTRS
- if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers)
+ if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers
+ && !BITS_SET(iflags, ITEM_XNAME_FOLLOWS|ITEM_LOCAL_CHANGE))
set_file_attrs(fname, file, NULL, fname, 0);
#endif
if (iflags & ITEM_IS_NEW) {
cleanup_got_literal = 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)
}
}
- if (!log_before_transfer)
- remember_initial_stats();
+ remember_initial_stats();
if (!do_xfers) { /* log the transfer */
log_item(FCLIENT, file, iflags, NULL);
log_item(FCLIENT, file, iflags, NULL);
if (!am_server)
discard_receive_data(f_in, F_LENGTH(file));
+ if (inc_recurse)
+ send_msg_int(MSG_SUCCESS, ndx);
continue;
}
break;
case FNAMECMP_FUZZY:
if (file->dirname) {
- pathjoin(fnamecmpbuf, MAXPATHLEN,
- file->dirname, xname);
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, file->dirname, xname);
fnamecmp = fnamecmpbuf;
} else
fnamecmp = xname;
break;
default:
- if (fnamecmp_type >= basis_dir_cnt) {
+ if (fnamecmp_type > FNAMECMP_FUZZY && fnamecmp_type-FNAMECMP_FUZZY <= basis_dir_cnt) {
+ fnamecmp_type -= FNAMECMP_FUZZY + 1;
+ if (file->dirname) {
+ stringjoin(fnamecmpbuf, sizeof fnamecmpbuf,
+ basis_dir[fnamecmp_type], "/", file->dirname, "/", xname, NULL);
+ } else
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[fnamecmp_type], xname);
+ } else if (fnamecmp_type >= basis_dir_cnt) {
rprintf(FERROR,
"invalid basis_dir index: %d.\n",
fnamecmp_type);
exit_cleanup(RERR_PROTOCOL);
- }
- pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
- basis_dir[fnamecmp_type], fname);
+ } else
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[fnamecmp_type], fname);
fnamecmp = fnamecmpbuf;
break;
}
if (!fnamecmp || (daemon_filter_list.head
- && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
+ && check_filter(&daemon_filter_list, FLOG, fnamecmp, 0) < 0)) {
fnamecmp = fname;
fnamecmp_type = FNAMECMP_FNAME;
}
if (fd2 == -1) {
rsyserr(FERROR_XFER, errno, "open %s failed",
full_fname(fname));
- }
+ } else if (updating_basis_or_equiv)
+ cleanup_set(NULL, NULL, file, fd1, fd2);
} else {
fd2 = open_tmpfile(fnametmp, fname, file);
if (fd2 != -1)
git.samba.org / rsync.git / blobdiff