extern int verbose;
extern int dry_run;
+extern int log_format_has_i;
+extern int log_format_has_o_or_i;
+extern int daemon_log_format_has_i;
+extern int am_root;
+extern int am_server;
+extern int am_daemon;
+extern int recurse;
extern int relative_paths;
extern int keep_dirlinks;
extern int preserve_links;
-extern int am_root;
extern int preserve_devices;
extern int preserve_hard_links;
extern int preserve_perms;
extern int preserve_uid;
extern int preserve_gid;
+extern int preserve_times;
+extern int omit_dir_times;
+extern int delete_before;
+extern int delete_during;
+extern int delete_after;
+extern int module_id;
+extern int ignore_errors;
+extern int remove_sent_files;
extern int update_only;
extern int opt_ignore_existing;
+extern int inplace;
+extern int make_backups;
extern int csum_length;
extern int ignore_times;
extern int size_only;
+extern OFF_T max_size;
extern int io_timeout;
+extern int io_error;
+extern int sock_f_out;
+extern int ignore_timeout;
extern int protocol_version;
+extern int fuzzy_basis;
extern int always_checksum;
-extern char *compare_dest;
+extern char *partial_dir;
+extern char *basis_dir[];
+extern int compare_dest;
extern int link_dest;
extern int whole_file;
extern int local_server;
extern int only_existing;
extern int orig_umask;
extern int safe_symlinks;
-extern unsigned int block_size;
+extern long block_size; /* "long" because popt can't set an int32. */
+extern int max_delete;
+extern int force_delete;
+extern int one_file_system;
+extern struct stats stats;
+extern dev_t filesystem_dev;
+extern char *backup_dir;
+extern char *backup_suffix;
+extern int backup_suffix_len;
+extern struct file_list *the_file_list;
+extern struct filter_list_struct server_filter_list;
+
+int allowed_lull = 0;
-extern struct exclude_list_struct server_exclude_list;
+static int deletion_count = 0; /* used to implement --max-delete */
-/* choose whether to skip a particular file */
-static int skip_file(char *fname, struct file_struct *file, STRUCT_STAT *st)
+static int is_backup_file(char *fn)
{
- if (st->st_size != file->length)
- return 0;
- if (link_dest) {
- if (preserve_perms
- && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
- return 0;
+ int k = strlen(fn) - backup_suffix_len;
+ return k > 0 && strcmp(fn+k, backup_suffix) == 0;
+}
- if (am_root && preserve_uid && st->st_uid != file->uid)
- return 0;
- if (preserve_gid && file->gid != GID_NONE
- && st->st_gid != file->gid)
+/* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if
+ * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE
+ * is not set in the flags. */
+static int delete_item(char *fname, int mode, int flags)
+{
+ struct file_list *dirlist;
+ char buf[MAXPATHLEN];
+ int j, dlen, zap_dir, ok;
+ void *save_filters;
+
+ if (max_delete && deletion_count >= max_delete)
+ return -1;
+
+ if (!S_ISDIR(mode)) {
+ if (make_backups && (backup_dir || !is_backup_file(fname)))
+ ok = make_backup(fname);
+ else
+ ok = robust_unlink(fname) == 0;
+ if (ok) {
+ if (!(flags & DEL_TERSE))
+ log_delete(fname, mode);
+ deletion_count++;
+ return 0;
+ }
+ if (errno == ENOENT)
return 0;
+ rsyserr(FERROR, errno, "delete_file: unlink %s failed",
+ full_fname(fname));
+ return -1;
+ }
+
+ zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
+ && !(flags & DEL_NO_RECURSE);
+ if (dry_run && zap_dir) {
+ ok = 0;
+ errno = ENOTEMPTY;
+ } else if (make_backups && !backup_dir && !is_backup_file(fname)
+ && !(flags & DEL_FORCE_RECURSE))
+ ok = make_backup(fname);
+ else
+ ok = do_rmdir(fname) == 0;
+ if (ok) {
+ if (!(flags & DEL_TERSE))
+ log_delete(fname, mode);
+ deletion_count++;
+ return 0;
+ }
+ if (errno == ENOENT)
+ return 0;
+ if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
+ rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
+ full_fname(fname));
+ return -1;
+ }
+ flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
+
+ dlen = strlcpy(buf, fname, MAXPATHLEN);
+ save_filters = push_local_filters(buf, dlen);
+
+ dirlist = get_dirlist(buf, dlen, 0);
+ for (j = dirlist->count; j--; ) {
+ struct file_struct *fp = dirlist->files[j];
+
+ if (fp->flags & FLAG_MOUNT_POINT)
+ continue;
+
+ f_name_to(fp, buf);
+ if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) {
+ flist_free(dirlist);
+ return -1;
+ }
+ }
+ flist_free(dirlist);
+
+ pop_local_filters(save_filters);
+
+ if (max_delete && deletion_count >= max_delete)
+ return -1;
+
+ if (do_rmdir(fname) == 0) {
+ if (!(flags & DEL_TERSE))
+ log_delete(fname, mode);
+ deletion_count++;
+ } else if (errno != ENOTEMPTY && errno != ENOENT) {
+ rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
+ full_fname(fname));
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/* This function is used to implement per-directory deletion, and is used by
+ * all the --delete-WHEN options. Note that the fbuf pointer must point to a
+ * MAXPATHLEN buffer with the name of the directory in it (the functions we
+ * call will append names onto the end, but the old dir value will be restored
+ * on exit). */
+static void delete_in_dir(struct file_list *flist, char *fbuf,
+ struct file_struct *file)
+{
+ static int min_depth = MAXPATHLEN, cur_depth = -1;
+ static void *filt_array[MAXPATHLEN/2+1];
+ struct file_list *dirlist;
+ char delbuf[MAXPATHLEN];
+ STRUCT_STAT st;
+ int dlen, i;
+
+ if (!flist) {
+ while (cur_depth >= min_depth)
+ pop_local_filters(filt_array[cur_depth--]);
+ min_depth = MAXPATHLEN;
+ cur_depth = -1;
+ return;
+ }
+
+ if (verbose > 2)
+ rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf));
+
+ if (allowed_lull)
+ maybe_send_keepalive();
+
+ if (file->dir.depth >= MAXPATHLEN/2+1)
+ return; /* Impossible... */
+
+ if (max_delete && deletion_count >= max_delete)
+ return;
+
+ if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
+ rprintf(FINFO,
+ "IO error encountered -- skipping file deletion\n");
+ max_delete = -1; /* avoid duplicating the above warning */
+ return;
+ }
+
+ while (cur_depth >= file->dir.depth && cur_depth >= min_depth)
+ pop_local_filters(filt_array[cur_depth--]);
+ cur_depth = file->dir.depth;
+ if (min_depth > cur_depth)
+ min_depth = cur_depth;
+ dlen = strlen(fbuf);
+ filt_array[cur_depth] = push_local_filters(fbuf, dlen);
+
+ if (link_stat(fbuf, &st, keep_dirlinks) < 0)
+ return;
+
+ if (one_file_system && file->flags & FLAG_TOP_DIR)
+ filesystem_dev = st.st_dev;
+
+ dirlist = get_dirlist(fbuf, dlen, 0);
+
+ /* If an item in dirlist is not found in flist, delete it
+ * from the filesystem. */
+ for (i = dirlist->count; i--; ) {
+ if (!dirlist->files[i]->basename)
+ continue;
+ if (flist_find(flist, dirlist->files[i]) < 0) {
+ int mode = dirlist->files[i]->mode;
+ f_name_to(dirlist->files[i], delbuf);
+ if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0)
+ break;
+ }
+ }
+
+ flist_free(dirlist);
+}
+
+/* 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. */
+static void do_delete_pass(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);
+ }
+}
+
+static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
+{
+ if (preserve_perms
+ && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
+ return 0;
+
+ if (am_root && preserve_uid && st->st_uid != file->uid)
+ return 0;
+
+ if (preserve_gid && file->gid != GID_NONE && st->st_gid != file->gid)
+ return 0;
+
+ return 1;
+}
+
+
+void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
+ int32 iflags, char *hlink)
+{
+ if (statret == 0) {
+ if (S_ISREG(file->mode) && file->length != st->st_size)
+ iflags |= ITEM_REPORT_SIZE;
+ if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) {
+ int keep_time = !preserve_times ? 0
+ : S_ISDIR(file->mode) ? !omit_dir_times
+ : !S_ISLNK(file->mode);
+
+ if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time)
+ || (keep_time && file->modtime != st->st_mtime))
+ iflags |= ITEM_REPORT_TIME;
+ if (preserve_perms && file->mode != st->st_mode)
+ iflags |= ITEM_REPORT_PERMS;
+ if (preserve_uid && am_root && file->uid != st->st_uid)
+ iflags |= ITEM_REPORT_OWNER;
+ if (preserve_gid && file->gid != GID_NONE
+ && st->st_gid != file->gid)
+ iflags |= ITEM_REPORT_GROUP;
+ }
+ } else {
+ iflags |= ITEM_IS_NEW;
+ if (!(iflags & (ITEM_HARD_LINKED|ITEM_LOCAL_CHANGE)))
+ iflags |= ITEM_TRANSFER;
+ }
+
+ iflags &= 0xffff;
+ if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
+ || (hlink && *hlink)) && !read_batch) {
+ if (protocol_version >= 29) {
+ if (ndx >= 0)
+ write_int(sock_f_out, ndx);
+ /* XXX Temorary compatibility hack */
+ if (iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE))
+ iflags |= ITEM_REPORT_XATTRS; /* ITEM_UPDATE */
+ write_shortint(sock_f_out, iflags);
+ if (hlink)
+ write_vstring(sock_f_out, hlink, strlen(hlink));
+ } else if (ndx >= 0)
+ log_item(file, &stats, iflags, hlink);
}
+}
+
+
+/* Perform our quick-check heuristic for determining if a file is unchanged. */
+static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
+{
+ if (st->st_size != file->length)
+ return 0;
/* if always checksum is set then we use the checksum instead
of the file time to determine whether to sync */
if (always_checksum && S_ISREG(st->st_mode)) {
char sum[MD4_SUM_LENGTH];
- char fnamecmpdest[MAXPATHLEN];
-
- if (compare_dest != NULL) {
- if (access(fname, 0) != 0) {
- pathjoin(fnamecmpdest, sizeof fnamecmpdest,
- compare_dest, fname);
- fname = fnamecmpdest;
- }
- }
- file_checksum(fname,sum,st->st_size);
+ file_checksum(fn, sum, st->st_size);
return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
: MD4_SUM_LENGTH) == 0;
}
}
-/*
- * NULL sum_struct means we have no checksums
- */
-void write_sum_head(int f, struct sum_struct *sum)
-{
- static struct sum_struct null_sum;
-
- if (sum == NULL)
- sum = &null_sum;
-
- write_int(f, sum->count);
- write_int(f, sum->blength);
- if (protocol_version >= 27)
- write_int(f, sum->s2length);
- write_int(f, sum->remainder);
-}
-
/*
* set (initialize) the size entries in the per-file sum_struct
* calculating dynamic block and checksum sizes.
* The block size is a rounded square root of file length.
*
* The checksum size is determined according to:
- * blocksum_bits = BLOCKSUM_EXP + 2*log2(file_len) - log2(block_len)
+ * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
* provided by Donovan Baarda which gives a probability of rsync
* algorithm corrupting data and falling back using the whole md4
* checksums.
*
* This might be made one of several selectable heuristics.
*/
-
-static void sum_sizes_sqroot(struct sum_struct *sum, uint64 len)
+static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
{
- unsigned int blength;
+ int32 blength;
int s2length;
- uint32 c;
- uint64 l;
- if (block_size) {
+ if (block_size)
blength = block_size;
- } else if (len <= BLOCK_SIZE * BLOCK_SIZE) {
+ else if (len <= BLOCK_SIZE * BLOCK_SIZE)
blength = BLOCK_SIZE;
- } else {
- l = len;
- c = 1;
- while (l >>= 2) {
- c <<= 1;
+ else {
+ int32 c;
+ int64 l;
+ int cnt;
+ for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
+ if (cnt >= 31 || c >= MAX_BLOCK_SIZE)
+ blength = MAX_BLOCK_SIZE;
+ else {
+ blength = 0;
+ do {
+ blength |= c;
+ if (len < (int64)blength * blength)
+ blength &= ~c;
+ c >>= 1;
+ } while (c >= 8); /* round to multiple of 8 */
+ blength = MAX(blength, BLOCK_SIZE);
}
- blength = 0;
- do {
- blength |= c;
- if (len < (uint64)blength * blength)
- blength &= ~c;
- c >>= 1;
- } while (c >= 8); /* round to multiple of 8 */
- blength = MAX(blength, BLOCK_SIZE);
}
if (protocol_version < 27) {
} else if (csum_length == SUM_LENGTH) {
s2length = SUM_LENGTH;
} else {
+ int32 c;
+ int64 l;
int b = BLOCKSUM_BIAS;
- l = len;
- while (l >>= 1) {
- b += 2;
- }
- c = blength;
- while (c >>= 1 && b) {
- b--;
- }
- s2length = (b + 1 - 32 + 7) / 8; /* add a bit,
- * subtract rollsum,
- * round up
- * --optimize in compiler--
- */
+ for (l = len; l >>= 1; b += 2) {}
+ for (c = blength; c >>= 1 && b; b--) {}
+ /* add a bit, subtract rollsum, round up. */
+ s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
s2length = MAX(s2length, csum_length);
s2length = MIN(s2length, SUM_LENGTH);
}
sum->remainder = (len % blength);
if (sum->count && verbose > 2) {
- rprintf(FINFO, "count=%.0f rem=%u blength=%u s2length=%d flength=%.0f\n",
- (double)sum->count, sum->remainder, sum->blength,
+ rprintf(FINFO,
+ "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
+ (double)sum->count, (long)sum->remainder, (long)sum->blength,
sum->s2length, (double)sum->flength);
}
}
*
* Generate approximately one checksum every block_len bytes.
*/
-static void generate_and_send_sums(struct map_struct *buf, OFF_T len, int f_out)
+static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
{
- size_t i;
+ int32 i;
+ struct map_struct *mapbuf;
struct sum_struct sum;
OFF_T offset = 0;
sum_sizes_sqroot(&sum, len);
+ if (len > 0)
+ mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
+ else
+ mapbuf = NULL;
+
write_sum_head(f_out, &sum);
for (i = 0; i < sum.count; i++) {
- unsigned int n1 = MIN(len, sum.blength);
- char *map = map_ptr(buf, offset, n1);
+ int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
+ char *map = map_ptr(mapbuf, offset, n1);
uint32 sum1 = get_checksum1(map, n1);
char sum2[SUM_LENGTH];
+ if (f_copy >= 0)
+ full_write(f_copy, map, n1);
+
get_checksum2(map, n1, sum2);
if (verbose > 3) {
rprintf(FINFO,
- "chunk[%.0f] offset=%.0f len=%u sum1=%08lx\n",
- (double)i, (double)offset, n1,
+ "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
+ (double)i, (double)offset, (long)n1,
(unsigned long)sum1);
}
write_int(f_out, sum1);
len -= n1;
offset += n1;
}
+
+ if (mapbuf)
+ unmap_file(mapbuf);
}
+/* Try to find a filename in the same dir as "fname" with a similar name. */
+static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
+{
+ int fname_len, fname_suf_len;
+ const char *fname_suf, *fname = file->basename;
+ uint32 lowest_dist = 0x7FFFFFFF;
+ int j, lowest_j = -1;
+
+ fname_len = strlen(fname);
+ fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
+
+ for (j = 0; j < dirlist->count; j++) {
+ struct file_struct *fp = dirlist->files[j];
+ const char *suf, *name;
+ int len, suf_len;
+ uint32 dist;
+
+ if (!S_ISREG(fp->mode) || !fp->length
+ || fp->flags & FLAG_NO_FUZZY)
+ continue;
-/*
- * Acts on file number @p i from @p flist, whose name is @p fname.
- *
- * First fixes up permissions, then generates checksums for the file.
+ name = fp->basename;
+
+ if (fp->length == file->length
+ && fp->modtime == file->modtime) {
+ if (verbose > 4) {
+ rprintf(FINFO,
+ "fuzzy size/modtime match for %s\n",
+ name);
+ }
+ return j;
+ }
+
+ len = strlen(name);
+ suf = find_filename_suffix(name, len, &suf_len);
+
+ dist = fuzzy_distance(name, len, fname, fname_len);
+ /* Add some extra weight to how well the suffixes match. */
+ dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
+ * 10;
+ if (verbose > 4) {
+ rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
+ name, (int)(dist>>16), (int)(dist&0xFFFF));
+ }
+ if (dist <= lowest_dist) {
+ lowest_dist = dist;
+ lowest_j = j;
+ }
+ }
+
+ return lowest_j;
+}
+
+void check_for_finished_hlinks(int itemizing, enum logcode code)
+{
+ struct file_struct *file;
+ int ndx;
+
+ while ((ndx = get_hlink_num()) != -1) {
+ if (ndx < 0 || ndx >= the_file_list->count)
+ continue;
+
+ file = the_file_list->files[ndx];
+ if (!file->link_u.links)
+ continue;
+
+ hard_link_cluster(file, ndx, itemizing, code);
+ }
+}
+
+static int phase = 0;
+
+/* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir,
+ * make sure it exists, and has the right permissions/timestamp info. For
+ * all other non-regular files (symlinks, etc.) we create them here. For
+ * regular files that have changed, we try to find a basis file and then
+ * start sending checksums.
*
- * @note This comment was added later by mbp who was trying to work it
- * out. It might be wrong.
- */
-static void recv_generator(char *fname, struct file_struct *file, int i,
- int f_out)
+ * Note that f_out is set to -1 when doing final directory-permission and
+ * modification-time repair. */
+static void recv_generator(char *fname, struct file_struct *file, int ndx,
+ int itemizing, int maybe_PERMS_REPORT,
+ enum logcode code, int f_out, int f_out_name)
{
- int fd;
- STRUCT_STAT st;
- struct map_struct *mapbuf;
- int statret;
- char *fnamecmp;
+ static int missing_below = -1, excluded_below = -1;
+ static char *fuzzy_dirname = NULL;
+ static struct file_list *fuzzy_dirlist = NULL;
+ struct file_struct *fuzzy_file = NULL;
+ int fd = -1, f_copy = -1;
+ STRUCT_STAT st, partial_st;
+ struct file_struct *back_file = NULL;
+ int statret, stat_errno;
+ char *fnamecmp, *partialptr, *backupptr = NULL;
char fnamecmpbuf[MAXPATHLEN];
+ uchar fnamecmp_type;
if (list_only)
return;
- if (verbose > 2)
- rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i);
-
- if (server_exclude_list.head
- && check_exclude(&server_exclude_list, fname,
- S_ISDIR(file->mode)) < 0) {
- if (verbose) {
- rprintf(FINFO, "skipping server-excluded file \"%s\"\n",
- fname);
+ if (!fname) {
+ if (fuzzy_dirlist) {
+ flist_free(fuzzy_dirlist);
+ fuzzy_dirlist = NULL;
+ fuzzy_dirname = NULL;
+ }
+ if (missing_below >= 0) {
+ dry_run--;
+ missing_below = -1;
}
return;
}
- statret = link_stat(fname, &st, keep_dirlinks && S_ISDIR(file->mode));
+ if (verbose > 2) {
+ rprintf(FINFO, "recv_generator(%s,%d)\n",
+ safe_fname(fname), ndx);
+ }
+
+ if (server_filter_list.head) {
+ if (excluded_below >= 0) {
+ if (file->dir.depth > excluded_below)
+ goto skipping;
+ excluded_below = -1;
+ }
+ if (check_filter(&server_filter_list, fname,
+ S_ISDIR(file->mode)) < 0) {
+ if (S_ISDIR(file->mode))
+ excluded_below = file->dir.depth;
+ skipping:
+ if (verbose) {
+ rprintf(FINFO,
+ "skipping server-excluded file \"%s\"\n",
+ safe_fname(fname));
+ }
+ return;
+ }
+ }
+
+ if (missing_below >= 0 && file->dir.depth <= missing_below) {
+ dry_run--;
+ missing_below = -1;
+ }
+ if (dry_run > 1) {
+ statret = -1;
+ stat_errno = ENOENT;
+ } else {
+ if (fuzzy_basis && S_ISREG(file->mode)) {
+ char *dn = file->dirname ? file->dirname : ".";
+ /* Yes, identical dirnames are guaranteed to have
+ * identical pointers at this point. */
+ if (fuzzy_dirname != dn) {
+ if (fuzzy_dirlist)
+ flist_free(fuzzy_dirlist);
+ fuzzy_dirname = dn;
+ fuzzy_dirlist = get_dirlist(fuzzy_dirname, -1,
+ 1);
+ }
+ }
- if (only_existing && statret == -1 && errno == ENOENT) {
+ statret = link_stat(fname, &st,
+ keep_dirlinks && S_ISDIR(file->mode));
+ stat_errno = errno;
+ }
+
+ if (only_existing && statret == -1 && stat_errno == ENOENT) {
/* we only want to update existing files */
- if (verbose > 1)
- rprintf(FINFO, "not creating new file \"%s\"\n", fname);
+ if (verbose > 1) {
+ rprintf(FINFO, "not creating new file \"%s\"\n",
+ safe_fname(fname));
+ }
return;
}
- if (statret == 0 &&
- !preserve_perms &&
- (S_ISDIR(st.st_mode) == S_ISDIR(file->mode))) {
+ if (statret == 0 && !preserve_perms
+ && S_ISDIR(st.st_mode) == S_ISDIR(file->mode)) {
/* if the file exists already and we aren't perserving
* permissions then act as though the remote end sent
* us the file permissions we already have */
* to prepare appropriately. If there is already a
* file of that name and it is *not* a directory, then
* we need to delete it. If it doesn't exist, then
- * recursively create it. */
-
- if (dry_run)
- return; /* TODO: causes inaccuracies -- fix */
+ * (perhaps recursively) create it. */
if (statret == 0 && !S_ISDIR(st.st_mode)) {
- if (robust_unlink(fname) != 0) {
- rsyserr(FERROR, errno,
- "recv_generator: unlink %s to make room for directory",
- full_fname(fname));
- return;
- }
+ delete_item(fname, st.st_mode, DEL_TERSE);
statret = -1;
}
+ if (dry_run && statret != 0 && missing_below < 0) {
+ missing_below = file->dir.depth;
+ dry_run++;
+ }
+ if (itemizing && f_out != -1) {
+ itemize(file, ndx, statret, &st,
+ statret ? ITEM_LOCAL_CHANGE : 0, NULL);
+ }
if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
- if (!(relative_paths && errno == ENOENT
- && create_directory_path(fname, orig_umask) == 0
- && do_mkdir(fname, file->mode) == 0)) {
+ if (!relative_paths || errno != ENOENT
+ || create_directory_path(fname, orig_umask) < 0
+ || do_mkdir(fname, file->mode) < 0) {
rsyserr(FERROR, errno,
"recv_generator: mkdir %s failed",
full_fname(fname));
}
}
- /* f_out is set to -1 when doing final directory-permission
- * and modification-time repair. */
if (set_perms(fname, file, statret ? NULL : &st, 0)
- && verbose && f_out != -1)
- rprintf(FINFO,"%s/\n",fname);
+ && verbose && code && f_out != -1)
+ rprintf(code, "%s/\n", safe_fname(fname));
+ if (delete_during && f_out != -1 && !phase
+ && (file->flags & FLAG_DEL_HERE))
+ delete_in_dir(the_file_list, fname, file);
return;
}
- if (read_batch)
+ if (max_size && file->length > max_size) {
+ if (verbose > 1) {
+ rprintf(FINFO, "%s is over max-size\n",
+ safe_fname(fname));
+ }
return;
+ }
if (preserve_links && S_ISLNK(file->mode)) {
-#if SUPPORT_LINKS
- char lnk[MAXPATHLEN];
- int l;
-
+#ifdef SUPPORT_LINKS
if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
if (verbose) {
- rprintf(FINFO, "ignoring unsafe symlink %s -> \"%s\"\n",
- full_fname(fname), file->u.link);
+ rprintf(FINFO,
+ "ignoring unsafe symlink %s -> \"%s\"\n",
+ full_fname(fname),
+ safe_fname(file->u.link));
}
return;
}
if (statret == 0) {
- l = readlink(fname,lnk,MAXPATHLEN-1);
- if (l > 0) {
- lnk[l] = 0;
+ char lnk[MAXPATHLEN];
+ int len;
+
+ if (!S_ISDIR(st.st_mode)
+ && (len = readlink(fname, lnk, MAXPATHLEN-1)) > 0) {
+ lnk[len] = 0;
/* A link already pointing to the
* right place -- no further action
* required. */
- if (strcmp(lnk,file->u.link) == 0) {
+ if (strcmp(lnk, file->u.link) == 0) {
+ if (itemizing) {
+ itemize(file, ndx, 0, &st, 0,
+ NULL);
+ }
set_perms(fname, file, &st,
- PERMS_REPORT);
+ maybe_PERMS_REPORT);
return;
}
}
- /* Not a symlink, so delete whatever's
- * already there and put a new symlink
- * in place. */
- delete_file(fname);
+ /* Not the right symlink (or not a symlink), so
+ * delete it. */
+ if (S_ISLNK(st.st_mode))
+ delete_item(fname, st.st_mode, DEL_TERSE);
+ else {
+ delete_item(fname, st.st_mode, DEL_TERSE);
+ statret = -1;
+ }
}
if (do_symlink(file->u.link,fname) != 0) {
rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
- full_fname(fname), file->u.link);
+ full_fname(fname), safe_fname(file->u.link));
} else {
set_perms(fname,file,NULL,0);
- if (verbose) {
- rprintf(FINFO,"%s -> %s\n", fname,file->u.link);
+ if (itemizing) {
+ itemize(file, ndx, statret, &st,
+ ITEM_LOCAL_CHANGE, NULL);
+ }
+ if (code && verbose) {
+ rprintf(code, "%s -> %s\n", safe_fname(fname),
+ safe_fname(file->u.link));
+ }
+ if (remove_sent_files && !dry_run) {
+ char numbuf[4];
+ SIVAL(numbuf, 0, ndx);
+ send_msg(MSG_SUCCESS, numbuf, 4);
}
}
#endif
return;
}
-#ifdef HAVE_MKNOD
if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
if (statret != 0 ||
st.st_mode != file->mode ||
st.st_rdev != file->u.rdev) {
- delete_file(fname);
+ delete_item(fname, st.st_mode, DEL_TERSE);
+ if (!IS_DEVICE(st.st_mode))
+ statret = -1;
if (verbose > 2) {
rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
- fname,(int)file->mode,(int)file->u.rdev);
+ safe_fname(fname),
+ (int)file->mode, (int)file->u.rdev);
}
if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
rsyserr(FERROR, errno, "mknod %s failed",
full_fname(fname));
} else {
set_perms(fname,file,NULL,0);
- if (verbose)
- rprintf(FINFO,"%s\n",fname);
+ if (itemizing) {
+ itemize(file, ndx, statret, &st,
+ ITEM_LOCAL_CHANGE, NULL);
+ }
+ if (code && verbose) {
+ rprintf(code, "%s\n",
+ safe_fname(fname));
+ }
}
} else {
- set_perms(fname, file, &st, PERMS_REPORT);
+ if (itemizing)
+ itemize(file, ndx, statret, &st, 0, NULL);
+ set_perms(fname, file, &st, maybe_PERMS_REPORT);
}
return;
}
-#endif
- if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER))
+ if (preserve_hard_links && hard_link_check(file, ndx, HL_CHECK_MASTER))
return;
if (!S_ISREG(file->mode)) {
- rprintf(FINFO, "skipping non-regular file \"%s\"\n",fname);
+ rprintf(FINFO, "skipping non-regular file \"%s\"\n",
+ safe_fname(fname));
+ return;
+ }
+
+ if (opt_ignore_existing && statret == 0) {
+ if (verbose > 1)
+ rprintf(FINFO, "%s exists\n", safe_fname(fname));
+ return;
+ }
+
+ if (update_only && statret == 0
+ && cmp_modtime(st.st_mtime, file->modtime) > 0) {
+ if (verbose > 1)
+ rprintf(FINFO, "%s is newer\n", safe_fname(fname));
return;
}
fnamecmp = fname;
+ fnamecmp_type = FNAMECMP_FNAME;
- if (statret == -1 && compare_dest != NULL) {
- /* try the file at compare_dest instead */
- int saveerrno = errno;
- pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, compare_dest, fname);
- statret = link_stat(fnamecmpbuf, &st, 0);
- if (!S_ISREG(st.st_mode))
- statret = -1;
- if (statret == -1)
- errno = saveerrno;
-#if HAVE_LINK
- else if (link_dest && !dry_run) {
- if (do_link(fnamecmpbuf, fname) != 0) {
- if (verbose > 0) {
+ if (statret != 0 && basis_dir[0] != NULL) {
+ int best_match = -1;
+ int match_level = 0;
+ int i = 0;
+ do {
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
+ basis_dir[i], fname);
+ if (link_stat(fnamecmpbuf, &st, 0) < 0
+ || !S_ISREG(st.st_mode))
+ continue;
+ switch (match_level) {
+ case 0:
+ best_match = i;
+ match_level = 1;
+ /* FALL THROUGH */
+ case 1:
+ if (!unchanged_file(fnamecmpbuf, file, &st))
+ continue;
+ best_match = i;
+ match_level = 2;
+ /* FALL THROUGH */
+ case 2:
+ if (!unchanged_attrs(file, &st))
+ continue;
+ best_match = i;
+ match_level = 3;
+ break;
+ }
+ break;
+ } while (basis_dir[++i] != NULL);
+ if (match_level) {
+ statret = 0;
+ if (i != best_match) {
+ i = best_match;
+ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
+ basis_dir[i], fname);
+ if (link_stat(fnamecmpbuf, &st, 0) < 0) {
+ match_level = 0;
+ statret = -1;
+ stat_errno = errno;
+ }
+ }
+#ifdef HAVE_LINK
+ if (link_dest && match_level == 3) {
+ if (hard_link_one(file, ndx, fname, -1, &st,
+ fnamecmpbuf, 1,
+ itemizing && verbose > 1,
+ code) == 0)
+ return;
+ if (verbose) {
rsyserr(FINFO, errno, "link %s => %s",
- fnamecmpbuf, fname);
+ full_fname(fnamecmpbuf),
+ safe_fname(fname));
}
+ match_level = 2;
}
- fnamecmp = fnamecmpbuf;
- }
#endif
- else
+ if (compare_dest || (match_level && match_level < 3)) {
+ fnamecmp = fnamecmpbuf;
+ fnamecmp_type = i;
+ }
+ }
+ }
+
+ if (statret == 0 && !S_ISREG(st.st_mode)) {
+ if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
+ return;
+ statret = -1;
+ stat_errno = ENOENT;
+ }
+
+ if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
+ && link_stat(partialptr, &partial_st, 0) == 0
+ && S_ISREG(partial_st.st_mode)) {
+ if (statret != 0)
+ goto prepare_to_open;
+ } else
+ partialptr = NULL;
+
+ if (statret != 0 && fuzzy_basis && dry_run <= 1) {
+ int j = find_fuzzy(file, fuzzy_dirlist);
+ if (j >= 0) {
+ fuzzy_file = fuzzy_dirlist->files[j];
+ f_name_to(fuzzy_file, fnamecmpbuf);
+ if (verbose > 2) {
+ rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
+ safe_fname(fname), safe_fname(fnamecmpbuf));
+ }
+ st.st_mode = fuzzy_file->mode;
+ st.st_size = fuzzy_file->length;
+ st.st_mtime = fuzzy_file->modtime;
+ statret = 0;
fnamecmp = fnamecmpbuf;
+ fnamecmp_type = FNAMECMP_FUZZY;
+ }
}
- if (statret == -1) {
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+ if (statret != 0) {
+ if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
return;
- if (errno == ENOENT) {
- write_int(f_out,i);
- if (!dry_run)
- write_sum_head(f_out, NULL);
- } else if (verbose > 1) {
- rsyserr(FERROR, errno,
- "recv_generator: failed to open %s",
+ if (stat_errno == ENOENT)
+ goto notify_others;
+ if (verbose > 1) {
+ rsyserr(FERROR, stat_errno,
+ "recv_generator: failed to stat %s",
full_fname(fname));
}
return;
}
- if (!S_ISREG(st.st_mode)) {
- if (delete_file(fname) != 0) {
+ if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
+ ;
+ else if (fnamecmp_type == FNAMECMP_FUZZY)
+ ;
+ else if (unchanged_file(fnamecmp, file, &st)) {
+ if (fnamecmp_type == FNAMECMP_FNAME) {
+ if (itemizing)
+ itemize(file, ndx, statret, &st, 0, NULL);
+ set_perms(fname, file, &st, maybe_PERMS_REPORT);
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
return;
}
-
- /* now pretend the file didn't exist */
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+ /* Only --compare-dest gets here. */
+ if (unchanged_attrs(file, &st)) {
+ itemize(file, ndx, statret, &st,
+ ITEM_NO_DEST_AND_NO_UPDATE, NULL);
return;
- write_int(f_out,i);
- if (!dry_run)
- write_sum_head(f_out, NULL);
- return;
- }
-
- if (opt_ignore_existing && fnamecmp == fname) {
- if (verbose > 1)
- rprintf(FINFO,"%s exists\n",fname);
- return;
- }
-
- if (update_only && fnamecmp == fname
- && cmp_modtime(st.st_mtime, file->modtime) > 0) {
- if (verbose > 1)
- rprintf(FINFO,"%s is newer\n",fname);
- return;
+ }
}
- if (skip_file(fname, file, &st)) {
- if (fnamecmp == fname)
- set_perms(fname, file, &st, PERMS_REPORT);
- return;
+prepare_to_open:
+ if (partialptr) {
+ st = partial_st;
+ fnamecmp = partialptr;
+ fnamecmp_type = FNAMECMP_PARTIAL_DIR;
+ statret = 0;
}
- if (dry_run) {
- write_int(f_out,i);
- return;
- }
+ if (dry_run || read_batch || whole_file)
+ goto notify_others;
- if (whole_file > 0) {
- write_int(f_out,i);
- write_sum_head(f_out, NULL);
- return;
+ if (fuzzy_basis) {
+ int j = flist_find(fuzzy_dirlist, file);
+ if (j >= 0) /* don't use changing file as future fuzzy basis */
+ fuzzy_dirlist->files[j]->flags |= FLAG_NO_FUZZY;
}
/* open the file */
if (fd == -1) {
rsyserr(FERROR, errno, "failed to open %s, continuing",
full_fname(fnamecmp));
+ pretend_missing:
/* pretend the file didn't exist */
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+ if (preserve_hard_links && hard_link_check(file, ndx, HL_SKIP))
return;
- write_int(f_out,i);
- write_sum_head(f_out, NULL);
- return;
+ statret = -1;
+ goto notify_others;
}
- if (st.st_size > 0)
- mapbuf = map_file(fd,st.st_size);
- else
- mapbuf = NULL;
+ if (inplace && make_backups) {
+ if (!(backupptr = get_backup_name(fname))) {
+ close(fd);
+ return;
+ }
+ if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
+ close(fd);
+ goto pretend_missing;
+ }
+ if (robust_unlink(backupptr) && errno != ENOENT) {
+ rsyserr(FERROR, errno, "unlink %s",
+ full_fname(backupptr));
+ free(back_file);
+ close(fd);
+ return;
+ }
+ if ((f_copy = do_open(backupptr,
+ O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
+ rsyserr(FERROR, errno, "open %s",
+ full_fname(backupptr));
+ free(back_file);
+ close(fd);
+ return;
+ }
+ fnamecmp_type = FNAMECMP_BACKUP;
+ }
if (verbose > 3) {
- rprintf(FINFO,"gen mapped %s of size %.0f\n", fnamecmp,
- (double)st.st_size);
+ rprintf(FINFO, "gen mapped %s of size %.0f\n",
+ safe_fname(fnamecmp), (double)st.st_size);
}
if (verbose > 2)
- rprintf(FINFO, "generating and sending sums for %d\n", i);
+ rprintf(FINFO, "generating and sending sums for %d\n", ndx);
+
+notify_others:
+ write_int(f_out, ndx);
+ if (itemizing) {
+ int iflags = ITEM_TRANSFER;
+ if (always_checksum)
+ iflags |= ITEM_REPORT_CHECKSUM;
+ if (fnamecmp_type != FNAMECMP_FNAME)
+ iflags |= ITEM_USING_ALT_BASIS;
+ itemize(file, -1, statret, &st, iflags, NULL);
+ }
+ if (f_out_name >= 0) {
+ write_byte(f_out_name, fnamecmp_type);
+ if (fnamecmp_type == FNAMECMP_FUZZY) {
+ write_vstring(f_out_name, fuzzy_file->basename,
+ strlen(fuzzy_file->basename));
+ }
+ }
+
+ if (dry_run) {
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ return;
+ }
+ if (read_batch)
+ return;
+
+ if (statret != 0 || whole_file) {
+ write_sum_head(f_out, NULL);
+ return;
+ }
+
+ generate_and_send_sums(fd, st.st_size, f_out, f_copy);
- write_int(f_out,i);
- generate_and_send_sums(mapbuf, st.st_size, f_out);
+ if (f_copy >= 0) {
+ close(f_copy);
+ set_perms(backupptr, back_file, NULL, 0);
+ if (verbose > 1) {
+ rprintf(FINFO, "backed up %s to %s\n",
+ safe_fname(fname), safe_fname(backupptr));
+ }
+ free(back_file);
+ }
close(fd);
- if (mapbuf)
- unmap_file(mapbuf);
}
-void generate_files(int f_out, struct file_list *flist, char *local_name)
+void generate_files(int f_out, struct file_list *flist, char *local_name,
+ int f_out_name)
{
- int i;
- int phase = 0;
+ int i, lull_mod;
char fbuf[MAXPATHLEN];
+ int itemizing, maybe_PERMS_REPORT;
+ enum logcode code;
+ int need_retouch_dir_times = preserve_times && !omit_dir_times;
+ int need_retouch_dir_perms = 0;
+ int save_only_existing = only_existing;
+ int save_opt_ignore_existing = opt_ignore_existing;
+
+ allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
+ lull_mod = allowed_lull * 5;
+
+ if (protocol_version >= 29) {
+ itemizing = 1;
+ maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
+ code = daemon_log_format_has_i ? 0 : FLOG;
+ } else if (am_daemon) {
+ itemizing = daemon_log_format_has_i && !dry_run;
+ maybe_PERMS_REPORT = PERMS_REPORT;
+ code = itemizing || dry_run ? FCLIENT : FINFO;
+ } else if (!am_server) {
+ itemizing = log_format_has_i;
+ maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
+ code = itemizing ? 0 : FINFO;
+ } else {
+ itemizing = 0;
+ maybe_PERMS_REPORT = PERMS_REPORT;
+ code = FINFO;
+ }
if (verbose > 2) {
rprintf(FINFO, "generator starting pid=%ld count=%d\n",
(long)getpid(), flist->count);
}
+ if (delete_before && !local_name && flist->count > 0)
+ do_delete_pass(flist);
+
+ if (whole_file < 0)
+ whole_file = 0;
if (verbose >= 2) {
- rprintf(FINFO,
- whole_file > 0
- ? "delta-transmission disabled for local transfer or --whole-file\n"
- : "delta transmission enabled\n");
+ rprintf(FINFO, "delta-transmission %s\n",
+ whole_file
+ ? "disabled for local transfer or --whole-file"
+ : "enabled");
}
- /* we expect to just sit around now, so don't exit on a
- timeout. If we really get a timeout then the other process should
- exit */
- io_timeout = 0;
+ if (protocol_version < 29)
+ ignore_timeout = 1;
for (i = 0; i < flist->count; i++) {
struct file_struct *file = flist->files[i];
if (!file->basename)
continue;
- /* we need to ensure that any directories we create have writeable
- permissions initially so that we can create the files within
- them. This is then fixed after the files are transferred */
+
+ /* We need to ensure that any dirs we create have writeable
+ * permissions during the time we are putting files within
+ * them. This is then fixed after the transfer is done. */
if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)) {
copy = *file;
- /* XXX: Could this be causing a problem on SCO? Perhaps their
- * handling of permissions is strange? */
copy.mode |= S_IWUSR; /* user write */
file = ©
+ need_retouch_dir_perms = 1;
}
recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- file, i, f_out);
+ file, i, itemizing, maybe_PERMS_REPORT, code,
+ f_out, f_out_name);
+ if (preserve_hard_links)
+ check_for_finished_hlinks(itemizing, code);
+
+ if (allowed_lull && !(i % lull_mod))
+ maybe_send_keepalive();
}
+ recv_generator(NULL, NULL, 0, 0, 0, code, -1, -1);
+ if (delete_during)
+ delete_in_dir(NULL, NULL, NULL);
phase++;
csum_length = SUM_LENGTH;
+ only_existing = max_size = opt_ignore_existing = 0;
+ update_only = always_checksum = size_only = 0;
ignore_times = 1;
+ make_backups = 0; /* avoid a duplicate backup for inplace processing */
+
+ /* We expect to just sit around now, so don't exit on a timeout.
+ * If we really get a timeout then the other process should exit. */
+ ignore_timeout = 1;
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
/* files can cycle through the system more than once
* to catch initial checksum errors */
- while ((i = get_redo_num()) != -1) {
+ while ((i = get_redo_num(itemizing, code)) != -1) {
struct file_struct *file = flist->files[i];
recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- file, i, f_out);
+ file, i, itemizing, maybe_PERMS_REPORT, code,
+ f_out, f_out_name);
}
phase++;
+ only_existing = save_only_existing;
+ opt_ignore_existing = save_opt_ignore_existing;
+
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
write_int(f_out, -1);
- if (preserve_hard_links)
- do_hard_links();
-
- /* now we need to fix any directory permissions that were
- * modified during the transfer */
- for (i = 0; i < flist->count; i++) {
- struct file_struct *file = flist->files[i];
- if (!file->basename || !S_ISDIR(file->mode))
- continue;
- recv_generator(local_name ? local_name : f_name(file),
- file, i, -1);
+ /* Read post-redo-phase MSG_DONE and any prior messages. */
+ get_redo_num(itemizing, code);
+
+ if (delete_after && !local_name && flist->count > 0)
+ do_delete_pass(flist);
+
+ if ((need_retouch_dir_perms || need_retouch_dir_times)
+ && !list_only && !local_name && !dry_run) {
+ int j = 0;
+ /* Now we need to fix any directory permissions that were
+ * modified during the transfer and/or re-set any tweaked
+ * modified-time values. */
+ for (i = 0; i < flist->count; i++) {
+ struct file_struct *file = flist->files[i];
+ if (!file->basename || !S_ISDIR(file->mode))
+ continue;
+ if (!need_retouch_dir_times && file->mode & S_IWUSR)
+ continue;
+ recv_generator(local_name ? local_name : f_name(file),
+ file, i, itemizing, maybe_PERMS_REPORT,
+ code, -1, -1);
+ if (allowed_lull && !(j++ % lull_mod))
+ maybe_send_keepalive();
+ }
}
+ recv_generator(NULL, NULL, 0, 0, 0, code, -1, -1);
if (verbose > 2)
rprintf(FINFO,"generate_files finished\n");