*
* Copyright (C) 1996-2000 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison
+ * Copyright (C) 2003-2007 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.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "rsync.h"
extern int verbose;
+extern int dry_run;
extern int do_xfers;
extern int am_server;
extern int do_progress;
+extern int inc_recurse;
extern int log_before_transfer;
extern int stdout_format_has_i;
extern int logfile_format_has_i;
extern int relative_paths;
extern int preserve_hard_links;
extern int preserve_perms;
+extern int preserve_xattrs;
extern int basis_dir_cnt;
extern int make_backups;
extern int cleanup_got_literal;
extern int checksum_seed;
extern int inplace;
extern int delay_updates;
+extern mode_t orig_umask;
extern struct stats stats;
-extern char *stdout_format;
extern char *tmpdir;
extern char *partial_dir;
extern char *basis_dir[];
-extern struct file_list *the_file_list;
+extern struct file_list *cur_flist, *first_flist;
extern struct filter_list_struct server_filter_list;
static struct bitbag *delayed_bits = NULL;
-static int phase = 0;
-
+static int phase = 0, redoing = 0;
+/* We're either updating the basis file or an identical copy: */
+static int updating_basis;
/*
* get_tmpname() - create a tmp filename for a given filename
* As long as it's unique, rsync will work.
*/
-static int get_tmpname(char *fnametmp, char *fname)
+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;
}
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];
+ static char file_sum2[MAX_DIGEST_LEN];
struct map_struct *mapbuf;
struct sum_struct sum;
- int32 len;
+ int32 len, sum_len;
OFF_T offset = 0;
OFF_T offset2;
char *data;
sum_init(checksum_seed);
- if (append_mode) {
+ if (append_mode > 0) {
OFF_T j;
sum.flength = (OFF_T)sum.count * sum.blength;
if (sum.remainder)
offset = j;
}
if (offset < sum.flength) {
- int32 len = sum.flength - offset;
+ int32 len = (int32)(sum.flength - offset);
if (do_progress)
show_progress(offset, total_size);
sum_update(map_ptr(mapbuf, offset, len), len);
sum_update(map, len);
}
- if (inplace) {
+ if (updating_basis) {
if (offset == offset2 && fd != -1) {
OFF_T pos;
if (flush_write_file(fd) < 0)
exit_cleanup(RERR_FILEIO);
}
- sum_end(file_sum1);
+ sum_len = sum_end(file_sum1);
if (mapbuf)
unmap_file(mapbuf);
- read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
+ read_buf(f_in, file_sum2, sum_len);
if (verbose > 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, file_sum2, sum_len) != 0)
return 0;
return 1;
}
receive_data(f_in, NULL, -1, 0, NULL, -1, length);
}
-static void handle_delayed_updates(struct file_list *flist, char *local_name)
+static void handle_delayed_updates(char *local_name)
{
- char *fname, *partialptr, numbuf[4];
- int i;
+ char *fname, *partialptr;
+ int ndx;
- for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
- struct file_struct *file = flist->files[i];
+ 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 && !make_backup(fname))
+ if (make_backups > 0 && !make_backup(fname))
continue;
if (verbose > 2) {
rprintf(FINFO, "renaming %s to %s\n",
full_fname(fname), partialptr);
} else {
if (remove_source_files
- || (preserve_hard_links
- && file->link_u.links)) {
- SIVAL(numbuf, 0, i);
- send_msg(MSG_SUCCESS,numbuf,4);
- }
+ || (preserve_hard_links && F_IS_HLINKED(file)))
+ send_msg_int(MSG_SUCCESS, ndx);
handle_partial_dir(partialptr, PDIR_DELETE);
}
}
}
}
-static int get_next_gen_i(int batch_gen_fd, int next_gen_i, int desired_i)
+static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
{
- while (next_gen_i < desired_i) {
- if (next_gen_i >= 0) {
+ while (next_gen_ndx < desired_ndx) {
+ if (next_gen_ndx >= 0) {
rprintf(FINFO,
"(No batched update for%s \"%s\")\n",
- phase ? " resend of" : "",
- f_name(the_file_list->files[next_gen_i], NULL));
+ 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->count + first_flist->prev->ndx_start;
+ else
+ next_gen_ndx = cur_flist->count;
}
- next_gen_i = read_int(batch_gen_fd);
- if (next_gen_i == -1)
- next_gen_i = the_file_list->count;
}
- return next_gen_i;
+ return next_gen_ndx;
}
-
/**
* 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 recv_files(int f_in, char *local_name)
{
- int next_gen_i = -1;
+ int next_gen_ndx = -1;
int fd1,fd2;
STRUCT_STAT st;
int iflags, xlen;
char *fname, fbuf[MAXPATHLEN];
char xname[MAXPATHLEN];
char fnametmp[MAXPATHLEN];
- char *fnamecmp, *partialptr, numbuf[4];
+ char *fnamecmp, *partialptr;
char fnamecmpbuf[MAXPATHLEN];
uchar fnamecmp_type;
struct file_struct *file;
struct stats initial_stats;
- int save_make_backups = make_backups;
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;
+ 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 (flist->hlink_pool) {
- pool_destroy(flist->hlink_pool);
- flist->hlink_pool = NULL;
- }
+ rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count);
if (delay_updates)
- delayed_bits = bitbag_create(flist->count);
+ delayed_bits = bitbag_create(cur_flist->count + 1);
+
+ updating_basis = inplace;
while (1) {
cleanup_disable();
- i = read_int(f_in);
- if (i == -1) {
- if (read_batch) {
- get_next_gen_i(batch_gen_fd, next_gen_i,
- flist->count);
- next_gen_i = -1;
+ /* This call also sets cur_flist. */
+ ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
+ xname, &xlen);
+ if (ndx == NDX_DONE) {
+ if (inc_recurse && first_flist) {
+ flist_free(first_flist);
+ if (first_flist)
+ continue;
+ }
+ if (read_batch && cur_flist) {
+ int high = inc_recurse
+ ? first_flist->prev->count + first_flist->prev->ndx_start
+ : cur_flist->count;
+ get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
+ next_gen_ndx = -1;
}
if (++phase > max_phase)
break;
- csum_length = SUM_LENGTH;
if (verbose > 2)
rprintf(FINFO, "recv_files phase=%d\n", phase);
if (phase == 2 && delay_updates)
- handle_delayed_updates(flist, local_name);
+ handle_delayed_updates(local_name);
send_msg(MSG_DONE, "", 0);
- if (keep_partial && !partial_dir)
- make_backups = 0; /* prevents double backup */
- if (append_mode) {
- append_mode = 0;
- sparse_files = 0;
- }
continue;
}
- iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type,
- xname, &xlen);
- if (iflags == ITEM_IS_NEW) /* no-op packet */
- continue;
-
- file = flist->files[i];
+ file = cur_flist->files[ndx - cur_flist->ndx_start];
fname = local_name ? local_name : f_name(file, fbuf);
if (verbose > 2)
rprintf(FINFO, "recv_files(%s)\n", fname);
+#ifdef SUPPORT_XATTRS
+ if (iflags & ITEM_REPORT_XATTR && !dry_run)
+ 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 && !dry_run)
+ set_file_attrs(fname, file, NULL, fname, 0);
+#endif
continue;
}
if (phase == 2) {
exit_cleanup(RERR_PROTOCOL);
}
- stats.current_file_index = i;
+ if (file->flags & FLAG_FILE_SENT) {
+ if (csum_length == SHORT_SUM_LENGTH) {
+ if (keep_partial && !partial_dir)
+ make_backups = -make_backups; /* prevents double backup */
+ append_mode = -append_mode;
+ sparse_files = -sparse_files;
+ csum_length = SUM_LENGTH;
+ redoing = 1;
+ }
+ } else {
+ if (csum_length != SHORT_SUM_LENGTH) {
+ if (keep_partial && !partial_dir)
+ make_backups = -make_backups;
+ append_mode = -append_mode;
+ sparse_files = -sparse_files;
+ csum_length = SHORT_SUM_LENGTH;
+ redoing = 0;
+ }
+ }
+
+ stats.current_file_index = ndx;
stats.num_transferred_files++;
- stats.total_transferred_size += file->length;
+ stats.total_transferred_size += F_LENGTH(file);
cleanup_got_literal = 0;
if (server_filter_list.head
if (!do_xfers) { /* log the transfer */
log_item(FCLIENT, file, &stats, iflags, NULL);
if (read_batch)
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
continue;
}
if (write_batch < 0) {
log_item(FINFO, file, &stats, iflags, NULL);
if (!am_server)
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
continue;
}
if (read_batch) {
- next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);
- if (i < next_gen_i) {
+ 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, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
continue;
}
- next_gen_i = -1;
+ next_gen_ndx = -1;
}
partialptr = partial_dir ? partial_dir_fname(fname) : fname;
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",
} else {
/* Reminder: --inplace && --partial-dir are never
* enabled at the same time. */
- if (inplace && make_backups) {
+ if (inplace && make_backups > 0) {
if (!(fnamecmp = get_backup_name(fname)))
fnamecmp = fname;
} else if (partial_dir && partialptr)
}
}
- 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);
+ discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
continue;
}
*/
rprintf(FERROR,"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);
continue;
}
* 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);
+#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, 0600);
if (fd2 == -1) {
rsyserr(FERROR, errno, "open %s failed",
full_fname(fname));
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
if (fd1 != -1)
close(fd1);
continue;
}
} else {
if (!get_tmpname(fnametmp,fname)) {
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
if (fd1 != -1)
close(fd1);
continue;
if (fd2 == -1) {
rsyserr(FERROR, errno, "mkstemp %s failed",
full_fname(fnametmp));
- discard_receive_data(f_in, file->length);
+ discard_receive_data(f_in, F_LENGTH(file));
if (fd1 != -1)
close(fd1);
continue;
/* recv file data */
recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
- fname, fd2, file->length);
+ fname, fd2, F_LENGTH(file));
log_item(log_code, file, &initial_stats, iflags, NULL);
temp_copy_name = NULL;
else
temp_copy_name = partialptr;
- finish_transfer(fname, fnametmp, temp_copy_name,
- file, recv_ok, 1);
+ finish_transfer(fname, fnametmp, fnamecmp,
+ 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, NULL,
+ finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
file, recv_ok, !partial_dir);
if (delay_updates && recv_ok) {
- bitbag_set_bit(delayed_bits, i);
+ bitbag_set_bit(delayed_bits, ndx);
recv_ok = -1;
}
} else {
cleanup_disable();
if (recv_ok > 0) {
- if (remove_source_files
- || (preserve_hard_links && file->link_u.links)) {
- SIVAL(numbuf, 0, i);
- send_msg(MSG_SUCCESS, numbuf, 4);
- }
+ if (remove_source_files || inc_recurse
+ || (preserve_hard_links && F_IS_HLINKED(file)))
+ send_msg_int(MSG_SUCCESS, ndx);
} else if (!recv_ok) {
- int msgtype = phase || read_batch ? FERROR : FINFO;
+ enum logcode msgtype = redoing || read_batch ? FERROR : FINFO;
if (msgtype == FERROR || verbose) {
char *errstr, *redostr, *keptstr;
if (!(keep_partial && partialptr) && !inplace)
"%s: %s failed verification -- update %s%s.\n",
errstr, fname, keptstr, redostr);
}
- if (!phase) {
- SIVAL(numbuf, 0, i);
- send_msg(MSG_REDO, numbuf, 4);
- }
+ if (!redoing) {
+ send_msg_int(MSG_REDO, ndx);
+ file->flags |= FLAG_FILE_SENT;
+ } else if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
}
}
- make_backups = save_make_backups;
+ if (make_backups < 0)
+ make_backups = -make_backups;
if (phase == 2 && delay_updates) /* for protocol_version < 29 */
- handle_delayed_updates(flist, local_name);
+ handle_delayed_updates(local_name);
if (verbose > 2)
rprintf(FINFO,"recv_files finished\n");