-/* -*- 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) 2003-2008 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"
-extern int verbose;
-extern int recurse;
-extern int delete_mode;
-extern int remote_version;
-extern int csum_length;
-extern struct stats stats;
extern int dry_run;
+extern int do_xfers;
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 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 preserve_hard_links;
-extern int cvs_exclude;
-extern int io_error;
-extern char *tmpdir;
-extern char *compare_dest;
+extern int preserve_perms;
+extern int preserve_xattrs;
+extern int basis_dir_cnt;
extern int make_backups;
-extern char *backup_suffix;
-
-static struct delete_list {
- DEV64_T dev;
- INO64_T inode;
-} *delete_list;
-static int dlist_len, dlist_alloc_len;
-
-/* yuck! This function wouldn't have been necessary if I had the sorting
- algorithm right. Unfortunately fixing the sorting algorithm would introduce
- a backward incompatibility as file list indexes are sent over the link.
-*/
-static int delete_already_done(struct file_list *flist,int j)
+extern int cleanup_got_literal;
+extern int remove_source_files;
+extern int append_mode;
+extern int sparse_files;
+extern int keep_partial;
+extern int checksum_seed;
+extern int inplace;
+extern int delay_updates;
+extern mode_t orig_umask;
+extern struct stats stats;
+extern char *tmpdir;
+extern char *partial_dir;
+extern char *basis_dir[];
+extern struct file_list *cur_flist, *first_flist, *dir_flist;
+extern struct filter_list_struct daemon_filter_list;
+
+static struct bitbag *delayed_bits = NULL;
+static int phase = 0, redoing = 0;
+/* We're either updating the basis file or an identical copy: */
+static int updating_basis_or_equiv;
+
+/*
+ * 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!
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+int get_tmpname(char *fnametmp, const char *fname)
{
- int i;
- STRUCT_STAT st;
+ int maxname, added, length = 0;
+ const char *f;
- if (link_stat(f_name(flist->files[j]), &st)) return 1;
+ if (tmpdir) {
+ /* Note: this can't overflow, so the return value is safe */
+ length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
+ fnametmp[length++] = '/';
+ }
+
+ if ((f = strrchr(fname, '/')) != NULL) {
+ ++f;
+ if (!tmpdir) {
+ length = f - fname;
+ /* copy up to and including the slash */
+ strlcpy(fnametmp, fname, length + 1);
+ }
+ } else
+ f = fname;
+ fnametmp[length++] = '.';
- for (i=0;i<dlist_len;i++) {
- if (st.st_ino == delete_list[i].inode &&
- st.st_dev == delete_list[i].dev)
- return 1;
+ /* 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) {
+ rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
+ fnametmp[0] = '\0';
+ return 0;
}
- return 0;
+ added = strlcpy(fnametmp + length, f, maxname);
+ if (added >= maxname)
+ added = maxname - 1;
+ memcpy(fnametmp + length + added, ".XXXXXX", 8);
+
+ return 1;
}
-static void add_delete_entry(struct file_struct *file)
+/* 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)
{
- if (dlist_len == dlist_alloc_len) {
- dlist_alloc_len += 1024;
- delete_list = (struct delete_list *)Realloc(delete_list, sizeof(delete_list[0])*dlist_alloc_len);
- if (!delete_list) out_of_memory("add_delete_entry");
+ 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
- delete_list[dlist_len].dev = file->dev;
- delete_list[dlist_len].inode = file->inode;
- dlist_len++;
+ if (fd == -1) {
+ rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
+ full_fname(fnametmp));
+ return -1;
+ }
- if (verbose > 3)
- rprintf(FINFO,"added %s to delete list\n", f_name(file));
+ return fd;
}
-static void delete_one(struct file_struct *f)
+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)
{
- if (!S_ISDIR(f->mode)) {
- if (robust_unlink(f_name(f)) != 0) {
- rprintf(FERROR,"delete_one: unlink %s: %s\n",f_name(f),strerror(errno));
- } else if (verbose) {
- rprintf(FINFO,"deleting %s\n",f_name(f));
+ static char file_sum1[MAX_DIGEST_LEN];
+ static char file_sum2[MAX_DIGEST_LEN];
+ struct map_struct *mapbuf;
+ struct sum_struct sum;
+ int32 len, sum_len;
+ OFF_T offset = 0;
+ OFF_T offset2;
+ char *data;
+ int32 i;
+ char *map = NULL;
+
+ read_sum_head(f_in, &sum);
+
+ 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 (DEBUG_GTE(CHKSUM, 2)) {
+ rprintf(FINFO, "recv mapped %s of size %s\n",
+ fname_r, big_num(size_r, 0));
}
- } else {
- if (do_rmdir(f_name(f)) != 0) {
- if (errno != ENOTEMPTY && errno != EEXIST)
- rprintf(FERROR,"delete_one: rmdir %s: %s\n",
- f_name(f), strerror(errno));
- } else if (verbose) {
- rprintf(FINFO,"deleting directory %s\n",f_name(f));
+ } 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, 0), big_num(offset, 0));
+ exit_cleanup(RERR_FILEIO);
}
}
-}
+ while ((i = recv_token(f_in, &data)) != 0) {
+ if (INFO_GTE(PROGRESS, 1))
+ show_progress(offset, total_size);
+ if (i > 0) {
+ if (DEBUG_GTE(CHKSUM, 3)) {
+ rprintf(FINFO,"data recv %d at %s\n",
+ i, big_num(offset, 0));
+ }
+ stats.literal_data += i;
+ cleanup_got_literal = 1;
-/* this deletes any files on the receiving side that are not present
- on the sending side. For version 1.6.4 I have changed the behaviour
- to match more closely what most people seem to expect of this option */
-void delete_files(struct file_list *flist)
-{
- struct file_list *local_file_list;
- int i, j;
- char *name;
- extern int module_id;
- extern int ignore_errors;
- extern int max_delete;
- static int deletion_count;
-
- if (cvs_exclude)
- add_cvs_excludes();
-
- if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
- rprintf(FINFO,"IO error encountered - skipping file deletion\n");
- return;
- }
+ sum_update(data, i);
- for (j=0;j<flist->count;j++) {
- if (!S_ISDIR(flist->files[j]->mode) ||
- !(flist->files[j]->flags & FLAG_DELETE)) continue;
+ if (fd != -1 && write_file(fd,data,i) != i)
+ goto report_write_error;
+ offset += i;
+ continue;
+ }
- if (remote_version < 19 &&
- delete_already_done(flist, j)) continue;
+ i = -(i+1);
+ offset2 = i * (OFF_T)sum.blength;
+ len = sum.blength;
+ if (i == (int)sum.count-1 && sum.remainder != 0)
+ len = sum.remainder;
- name = strdup(f_name(flist->files[j]));
+ stats.matched_data += len;
- if (!(local_file_list = send_file_list(-1,1,&name))) {
- free(name);
- continue;
+ if (DEBUG_GTE(CHKSUM, 3)) {
+ rprintf(FINFO,
+ "chunk[%d] of size %ld at %s offset=%s\n",
+ i, (long)len, big_num(offset2, 0), big_num(offset, 0));
}
- if (verbose > 1)
- rprintf(FINFO,"deleting in %s\n", name);
-
- for (i=local_file_list->count-1;i>=0;i--) {
- if (max_delete && deletion_count > max_delete) break;
- if (!local_file_list->files[i]->basename) continue;
- if (remote_version < 19 &&
- S_ISDIR(local_file_list->files[i]->mode))
- add_delete_entry(local_file_list->files[i]);
- if (-1 == flist_find(flist,local_file_list->files[i])) {
- char *f = f_name(local_file_list->files[i]);
- int k = strlen(f) - strlen(backup_suffix);
-/* Hi Andrew, do we really need to play with backup_suffix here? */
- if (make_backups && ((k <= 0) ||
- (strcmp(f+k,backup_suffix) != 0))) {
- (void) make_backup(f);
- } else {
- deletion_count++;
- delete_one(local_file_list->files[i]);
+ if (mapbuf) {
+ map = map_ptr(mapbuf,offset2,len);
+
+ see_token(map, len);
+ sum_update(map, len);
+ }
+
+ 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_XFER, errno,
+ "lseek of %s returned %s, not %s",
+ full_fname(fname),
+ big_num(pos, 0), big_num(offset, 0));
+ exit_cleanup(RERR_FILEIO);
}
+ continue;
}
}
- flist_free(local_file_list);
- free(name);
+ if (fd != -1 && map && write_file(fd, map, len) != (int)len)
+ goto report_write_error;
+ offset += len;
}
-}
+ if (flush_write_file(fd) < 0)
+ goto report_write_error;
-static int get_tmpname(char *fnametmp, char *fname)
-{
- char *f;
+#ifdef HAVE_FTRUNCATE
+ if (inplace && fd != -1)
+ ftruncate(fd, offset);
+#endif
- /* open tmp file */
- if (tmpdir) {
- f = strrchr(fname,'/');
- if (f == NULL)
- f = fname;
- else
- f++;
- if (strlen(tmpdir)+strlen(f)+10 > MAXPATHLEN) {
- rprintf(FERROR,"filename too long\n");
- return 0;
- }
- snprintf(fnametmp,MAXPATHLEN, "%s/.%s.XXXXXX",tmpdir,f);
- return 1;
- }
+ if (INFO_GTE(PROGRESS, 1))
+ end_progress(total_size);
- f = strrchr(fname,'/');
-
- if (strlen(fname)+9 > MAXPATHLEN) {
- rprintf(FERROR,"filename too long\n");
- return 0;
+ 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 (f) {
- *f = 0;
- snprintf(fnametmp,MAXPATHLEN,"%s/.%s.XXXXXX",
- fname,f+1);
- *f = '/';
- } else {
- snprintf(fnametmp,MAXPATHLEN,".%s.XXXXXX",fname);
- }
+ sum_len = sum_end(file_sum1);
+ if (mapbuf)
+ unmap_file(mapbuf);
+
+ read_buf(f_in, file_sum2, sum_len);
+ if (DEBUG_GTE(CHKSUM, 2))
+ rprintf(FINFO,"got file_sum\n");
+ if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
+ return 0;
return 1;
}
-static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname,
- OFF_T total_size)
+static void discard_receive_data(int f_in, OFF_T length)
{
- int i,n,remainder,len,count;
- OFF_T offset = 0;
- OFF_T offset2;
- char *data;
- static char file_sum1[MD4_SUM_LENGTH];
- static char file_sum2[MD4_SUM_LENGTH];
- char *map=NULL;
-
- count = read_int(f_in);
- n = read_int(f_in);
- remainder = read_int(f_in);
-
- sum_init();
-
- for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) {
-
- show_progress(offset, total_size);
-
- if (i > 0) {
- extern int cleanup_got_literal;
+ receive_data(f_in, NULL, -1, 0, NULL, -1, length);
+}
- if (verbose > 3) {
- rprintf(FINFO,"data recv %d at %.0f\n",
- i,(double)offset);
+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))
+ continue;
+ if (DEBUG_GTE(RECV, 1)) {
+ rprintf(FINFO, "renaming %s to %s\n",
+ partialptr, fname);
}
-
- stats.literal_data += i;
- cleanup_got_literal = 1;
-
- sum_update(data,i);
-
- if (fd != -1 && write_file(fd,data,i) != i) {
- rprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- 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_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);
}
- offset += i;
- continue;
- }
-
- i = -(i+1);
- offset2 = i*(OFF_T)n;
- len = n;
- if (i == count-1 && remainder != 0)
- len = remainder;
-
- stats.matched_data += len;
-
- if (verbose > 3)
- rprintf(FINFO,"chunk[%d] of size %d at %.0f offset=%.0f\n",
- i,len,(double)offset2,(double)offset);
-
- if (buf) {
- map = map_ptr(buf,offset2,len);
-
- see_token(map, len);
- sum_update(map,len);
- }
-
- if (fd != -1 && write_file(fd,map,len) != len) {
- rprintf(FERROR,"write failed on %s : %s\n",
- fname,strerror(errno));
- exit_cleanup(RERR_FILEIO);
}
- offset += len;
}
+}
- end_progress(total_size);
-
- if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
- rprintf(FERROR,"write failed on %s : %s\n",
- fname,strerror(errno));
- exit_cleanup(RERR_FILEIO);
- }
-
- sum_end(file_sum1);
-
- if (remote_version >= 14) {
- read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
- if (verbose > 2) {
- rprintf(FINFO,"got file_sum\n");
+static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
+{
+ while (next_gen_ndx < desired_ndx) {
+ if (next_gen_ndx >= 0) {
+ struct file_struct *file = cur_flist->files[next_gen_ndx];
+ rprintf(FERROR_XFER,
+ "(No batched update for%s \"%s\")\n",
+ file->flags & FLAG_FILE_SENT ? " resend of" : "",
+ f_name(file, NULL));
}
- if (fd != -1 &&
- memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) {
- return 0;
+ 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;
}
}
- return 1;
+ 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 f_gen)
-{
+/**
+ * main routine for receiver process.
+ *
+ * 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;
- char *fname;
- char template[MAXPATHLEN];
+ int iflags, xlen;
+ char *fname, fbuf[MAXPATHLEN];
+ char xname[MAXPATHLEN];
char fnametmp[MAXPATHLEN];
- char *fnamecmp;
+ char *fnamecmp, *partialptr;
char fnamecmpbuf[MAXPATHLEN];
- struct map_struct *buf;
- int i;
+ uchar fnamecmp_type;
struct file_struct *file;
- int phase=0;
- int recv_ok;
- extern struct stats stats;
- extern int preserve_perms;
- extern int delete_after;
struct stats initial_stats;
-
- if (verbose > 2) {
- rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
- }
-
- while (1) {
+ 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 (DEBUG_GTE(RECV, 1))
+ rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
+
+ if (delay_updates)
+ delayed_bits = bitbag_create(cur_flist->used + 1);
+
+ while (1) {
cleanup_disable();
- i = read_int(f_in);
- if (i == -1) {
- if (phase==0 && remote_version >= 13) {
- phase++;
- csum_length = SUM_LENGTH;
- if (verbose > 2)
- rprintf(FINFO,"recv_files phase=%d\n",phase);
- write_int(f_gen,-1);
- continue;
+ /* This call also sets cur_flist. */
+ ndx = read_ndx_and_attrs(f_in, &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);
}
- break;
+ 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->used + first_flist->prev->ndx_start
+ : cur_flist->used;
+ get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
+ next_gen_ndx = -1;
+ }
+ if (++phase > max_phase)
+ break;
+ if (DEBUG_GTE(RECV, 1))
+ rprintf(FINFO, "recv_files phase=%d\n", phase);
+ if (phase == 2 && delay_updates)
+ handle_delayed_updates(local_name);
+ send_msg(MSG_DONE, "", 0, 0);
+ continue;
}
- if (i < 0 || i >= flist->count) {
- rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n",
- i, flist->count);
+ 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);
+
+ if (DEBUG_GTE(RECV, 1))
+ 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) {
+ rprintf(FERROR,
+ "got transfer request in phase 2 [%s]\n",
+ who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
- file = flist->files[i];
- fname = f_name(file);
+ 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 (!am_server && INFO_GTE(PROGRESS, 1))
+ set_current_file_index(file, ndx);
stats.num_transferred_files++;
- stats.total_transferred_size += file->length;
+ stats.total_transferred_size += F_LENGTH(file);
- if (local_name)
- fname = local_name;
+ cleanup_got_literal = 0;
- if (dry_run) {
- if (!am_server) {
- log_transfer(file, fname);
- }
+ 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 (!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;
}
- initial_stats = stats;
+ 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;
+ }
- if (verbose > 2)
- rprintf(FINFO,"recv_files(%s)\n",fname);
+ partialptr = partial_dir ? partial_dir_fname(fname) : fname;
+
+ if (protocol_version >= 29) {
+ switch (fnamecmp_type) {
+ case FNAMECMP_FNAME:
+ fnamecmp = fname;
+ break;
+ case FNAMECMP_PARTIAL_DIR:
+ fnamecmp = partialptr;
+ break;
+ case FNAMECMP_BACKUP:
+ fnamecmp = get_backup_name(fname);
+ break;
+ case FNAMECMP_FUZZY:
+ if (file->dirname) {
+ pathjoin(fnamecmpbuf, MAXPATHLEN,
+ file->dirname, xname);
+ fnamecmp = fnamecmpbuf;
+ } else
+ fnamecmp = xname;
+ break;
+ default:
+ 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);
+ fnamecmp = fnamecmpbuf;
+ break;
+ }
+ 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;
+ }
- fnamecmp = fname;
+ initial_stats = stats;
- /* open the file */
+ /* open the file */
fd1 = do_open(fnamecmp, O_RDONLY, 0);
- if ((fd1 == -1) && (compare_dest != NULL)) {
- /* try the file at compare_dest instead */
- snprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",
- compare_dest,fname);
- fnamecmp = fnamecmpbuf;
- fd1 = do_open(fnamecmp, O_RDONLY, 0);
+ 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);
+ }
}
- if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
- rprintf(FERROR,"fstat %s : %s\n",fnamecmp,strerror(errno));
- receive_data(f_in,NULL,-1,NULL,file->length);
+ 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, F_LENGTH(file));
close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
continue;
}
- if (fd1 != -1 && !S_ISREG(st.st_mode)) {
- rprintf(FERROR,"%s : not a regular file (recv_files)\n",fnamecmp);
- receive_data(f_in,NULL,-1,NULL,file->length);
+ if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
+ /* this special handling for directories
+ * wouldn't be necessary if robust_rename()
+ * and the underlying robust_unlink could cope
+ * with directories
+ */
+ rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
+ full_fname(fnamecmp));
+ discard_receive_data(f_in, F_LENGTH(file));
close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
continue;
}
- if (fd1 != -1 && !preserve_perms) {
- /* if the file exists already and we aren't perserving
- presmissions then act as though the remote end sent
- us the file permissions we already have */
- file->mode = st.st_mode;
- }
-
- if (fd1 != -1 && st.st_size > 0) {
- buf = map_file(fd1,st.st_size);
- if (verbose > 2)
- rprintf(FINFO,"recv mapped %s of size %.0f\n",fnamecmp,(double)st.st_size);
- } else {
- buf = NULL;
+ if (fd1 != -1 && !S_ISREG(st.st_mode)) {
+ close(fd1);
+ fd1 = -1;
}
- if (!get_tmpname(fnametmp,fname)) {
- if (buf) unmap_file(buf);
- if (fd1 != -1) close(fd1);
- continue;
+ /* 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);
}
- 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);
- if (fd2 == -1) {
- rprintf(FERROR,"mkstemp %s failed\n",fnametmp);
- receive_data(f_in,buf,-1,NULL,file->length);
- if (buf) unmap_file(buf);
- continue;
+ /* 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_XFER, errno, "open %s failed",
+ full_fname(fname));
+ }
+ } else {
+ fd2 = open_tmpfile(fnametmp, fname, file);
+ if (fd2 != -1)
+ cleanup_set(fnametmp, partialptr, file, fd1, fd2);
}
- /* 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) {
- strlcpy(fnametmp, template, sizeof(fnametmp));
- fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
- }
if (fd2 == -1) {
- rprintf(FERROR,"cannot create %s : %s\n",fnametmp,strerror(errno));
- receive_data(f_in,buf,-1,NULL,file->length);
- if (buf) unmap_file(buf);
- if (fd1 != -1) close(fd1);
+ discard_receive_data(f_in, F_LENGTH(file));
+ if (fd1 != -1)
+ close(fd1);
+ if (inc_recurse)
+ send_msg_int(MSG_NO_SEND, ndx);
continue;
}
-
- cleanup_set(fnametmp, fname, file, buf, fd1, fd2);
- if (!am_server) {
- log_transfer(file, fname);
- }
+ /* log the transfer */
+ if (log_before_transfer)
+ 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,buf,fd2,fname,file->length);
+ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
+ fname, fd2, F_LENGTH(file));
- log_recv(file, &initial_stats);
-
- if (buf) unmap_file(buf);
- if (fd1 != -1) {
+ log_item(log_code, file, &initial_stats, iflags, NULL);
+
+ if (fd1 != -1)
close(fd1);
+ if (close(fd2) < 0) {
+ rsyserr(FERROR, errno, "close failed on %s",
+ full_fname(fnametmp));
+ exit_cleanup(RERR_FILEIO);
}
- close(fd2);
-
- if (verbose > 2)
- rprintf(FINFO,"renaming %s to %s\n",fnametmp,fname);
- finish_transfer(fname, fnametmp, file);
+ if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
+ 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)) {
+ 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;
+ do_unlink(fnametmp);
+ }
cleanup_disable();
- if (!recv_ok) {
- if (csum_length == SUM_LENGTH) {
- rprintf(FERROR,"ERROR: file corruption in %s. File changed during transfer?\n",
- fname);
- } else {
- if (verbose > 1)
- rprintf(FINFO,"redoing %s(%d)\n",fname,i);
- write_int(f_gen,i);
+ switch (recv_ok) {
+ 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";
+ else if (partial_dir)
+ keptstr = "put into partial-dir";
+ else
+ keptstr = "retained";
+ if (msgtype == FERROR_XFER) {
+ errstr = "ERROR";
+ redostr = "";
+ } else {
+ errstr = "WARNING";
+ redostr = read_batch ? " (may try again)"
+ : " (will try again)";
+ }
+ rprintf(msgtype,
+ "%s: %s failed verification -- update %s%s.\n",
+ errstr, local_name ? f_name(file, NULL) : fname,
+ keptstr, redostr);
}
+ if (!redoing) {
+ 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) {
- if (recurse && delete_mode && !local_name && flist->count>0) {
- delete_files(flist);
- }
- }
-
- if (preserve_hard_links)
- do_hard_links(flist);
-
- /* now we need to fix any directory permissions that were
- modified during the transfer */
- for (i = 0; i < flist->count; i++) {
- file = flist->files[i];
- if (!file->basename || !S_ISDIR(file->mode)) continue;
- recv_generator(local_name?local_name:f_name(file),flist,i,-1);
- }
+ 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;
}
-
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff