extern int preserve_perms;
extern int preserve_uid;
extern int preserve_gid;
+extern int preserve_times;
+extern int omit_dir_times;
+extern int delete_during;
extern int update_only;
extern int opt_ignore_existing;
extern int inplace;
extern OFF_T max_size;
extern int io_timeout;
extern int protocol_version;
+extern int fuzzy_basis;
extern int always_checksum;
extern char *partial_dir;
extern char *basis_dir[];
extern int safe_symlinks;
extern long block_size; /* "long" because popt can't set an int32. */
-extern struct exclude_list_struct server_exclude_list;
+extern struct filter_list_struct server_filter_list;
static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
{
return 1;
}
+
+#define SID_UPDATING ITEM_UPDATING
+#define SID_REPORT_CHECKSUM ITEM_REPORT_CHECKSUM
+#define SID_NO_DEST_AND_NO_UPDATE (1<<16)
+
+static void itemize(struct file_struct *file, int statret, STRUCT_STAT *st,
+ int32 sflags, int f_out, int ndx)
+{
+ int iflags = sflags & (SID_UPDATING | SID_REPORT_CHECKSUM);
+
+ if (statret >= 0) {
+ if (S_ISREG(file->mode) && file->length != st->st_size)
+ iflags |= ITEM_REPORT_SIZE;
+ } else
+ iflags |= ITEM_IS_NEW;
+ if (statret >= 0 && !(sflags & SID_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_UPDATING && !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;
+ }
+
+ if (iflags && !read_batch) {
+ if (ndx >= 0)
+ write_int(f_out, ndx);
+ write_byte(f_out, iflags);
+ write_byte(f_out, iflags >> 8);
+ }
+}
+
+
/* 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)
{
}
-/*
- * 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.
*
* 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)
{
int32 blength;
int s2length;
blength = BLOCK_SIZE;
else {
int32 c;
- uint64 l;
- for (c = 1, l = len; l >>= 2; c <<= 1) {
- assert(c > 0);
+ 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) {
s2length = SUM_LENGTH;
} else {
int32 c;
- uint64 l;
+ int64 l;
int b = BLOCKSUM_BIAS;
for (l = len; l >>= 1; b += 2) {}
for (c = blength; c >>= 1 && b; b--) {}
*/
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;
}
+/* 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;
+}
+
+
+/* Acts on flist->file's ndx'th item, whose name is fname. If a directory,
+ * 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,
+ * 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_list *flist,
+ struct file_struct *file, int ndx,
int f_out, int f_out_name)
{
+ static int missing_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;
if (list_only)
return;
- if (verbose > 2)
- rprintf(FINFO, "recv_generator(%s,%d)\n", safe_fname(fname), i);
+ 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;
+ }
- if (server_exclude_list.head
- && check_exclude(&server_exclude_list, fname,
- S_ISDIR(file->mode)) < 0) {
+ if (verbose > 2) {
+ rprintf(FINFO, "recv_generator(%s,%d)\n",
+ safe_fname(fname), ndx);
+ }
+
+ if (server_filter_list.head
+ && check_filter(&server_filter_list, fname,
+ S_ISDIR(file->mode)) < 0) {
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);
+ }
+ }
+
statret = link_stat(fname, &st,
keep_dirlinks && S_ISDIR(file->mode));
stat_errno = errno;
* 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_file(fname, DEL_TERSE);
statret = -1;
}
+ if (dry_run && statret != 0 && missing_below < 0) {
+ missing_below = file->dir.depth;
+ dry_run++;
+ }
+ if (protocol_version >= 29 && f_out != -1)
+ itemize(file, statret, &st, 0, f_out, ndx);
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)
+ && verbose && protocol_version < 29 && f_out != -1)
rprintf(FINFO, "%s/\n", safe_fname(fname));
+ if (delete_during && f_out != -1 && csum_length != SUM_LENGTH
+ && (file->flags & FLAG_DEL_HERE))
+ delete_in_dir(flist, fname, file);
return;
- } else if (max_size && file->length > max_size) {
- if (verbose > 1)
- rprintf(FINFO, "%s is over max-size\n", fname);
+ }
+
+ 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;
+ int dflag = S_ISDIR(st.st_mode) ? DEL_DIR : 0;
+ char lnk[MAXPATHLEN];
+ int len;
+
+ if (!dflag
+ && (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 (protocol_version >= 29) {
+ itemize(file, 0, &st, 0,
+ f_out, ndx);
+ }
set_perms(fname, file, &st,
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. */
+ delete_file(fname, dflag | DEL_TERSE);
}
if (do_symlink(file->u.link,fname) != 0) {
rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
full_fname(fname), safe_fname(file->u.link));
} else {
set_perms(fname,file,NULL,0);
- if (verbose) {
+ if (protocol_version >= 29) {
+ itemize(file, statret, &st, SID_UPDATING,
+ f_out, ndx);
+ } else if (verbose) {
rprintf(FINFO, "%s -> %s\n", safe_fname(fname),
safe_fname(file->u.link));
}
if (statret != 0 ||
st.st_mode != file->mode ||
st.st_rdev != file->u.rdev) {
- delete_file(fname);
+ int dflag = S_ISDIR(st.st_mode) ? DEL_DIR : 0;
+ if (protocol_version >= 29) {
+ itemize(file, statret, &st, SID_UPDATING,
+ f_out, ndx);
+ }
+ delete_file(fname, dflag | DEL_TERSE);
if (verbose > 2) {
rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
safe_fname(fname),
full_fname(fname));
} else {
set_perms(fname,file,NULL,0);
- if (verbose) {
+ if (verbose && protocol_version < 29) {
rprintf(FINFO, "%s\n",
safe_fname(fname));
}
}
} else {
+ if (protocol_version >= 29) {
+ itemize(file, statret, &st, 0,
+ f_out, ndx);
+ }
set_perms(fname, file, &st, PERMS_REPORT);
}
return;
fnamecmp = fname;
fnamecmp_type = FNAMECMP_FNAME;
- if (statret == -1 && basis_dir[0] != NULL) {
+ if (statret != 0 && basis_dir[0] != NULL) {
int fallback_match = -1;
int match_level = 0;
int i = 0;
pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
basis_dir[i], fname);
}
-#if HAVE_LINK
+#ifdef HAVE_LINK
if (link_dest && match_level == 3 && !dry_run) {
if (do_link(fnamecmpbuf, fname) < 0) {
if (verbose) {
rsyserr(FINFO, errno,
"link %s => %s",
- fnamecmpbuf,
+ full_fname(fnamecmpbuf),
safe_fname(fname));
}
fnamecmp = fnamecmpbuf;
}
if (statret == 0 && !S_ISREG(st.st_mode)) {
- if (delete_file(fname) != 0)
+ int dflag = S_ISDIR(st.st_mode) ? DEL_DIR : 0;
+ if (delete_file(fname, dflag | 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 == -1)
+ if (statret != 0)
goto prepare_to_open;
} else
partialptr = NULL;
- if (statret == -1) {
+ 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 != 0) {
if (preserve_hard_links && hard_link_check(file, HL_SKIP))
return;
if (stat_errno == ENOENT)
if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
;
+ else if (fnamecmp_type == FNAMECMP_FUZZY)
+ ;
else if (unchanged_file(fnamecmp, file, &st)) {
+ if (protocol_version >= 29) {
+ itemize(file, statret, &st,
+ fnamecmp_type == FNAMECMP_FNAME
+ ? 0 : SID_NO_DEST_AND_NO_UPDATE,
+ f_out, ndx);
+ }
if (fnamecmp_type == FNAMECMP_FNAME)
set_perms(fname, file, &st, PERMS_REPORT);
return;
statret = 0;
}
- if (dry_run || whole_file > 0) {
- statret = -1;
+ if (dry_run || read_batch)
goto notify_others;
- }
- if (read_batch)
+ if (whole_file > 0) {
+ if (statret == 0)
+ statret = 1;
goto notify_others;
+ }
+
+ 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 */
fd = do_open(fnamecmp, O_RDONLY, 0);
close(fd);
return;
}
- if (!(back_file = make_file(fname, NULL, NO_EXCLUDES))) {
+ if (!(back_file = make_file(fname, NULL, NO_FILTERS))) {
close(fd);
goto pretend_missing;
}
}
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, i);
- if (f_out_name >= 0)
+ write_int(f_out, ndx);
+ if (protocol_version >= 29) {
+ itemize(file, statret, &st, SID_UPDATING
+ | (always_checksum ? SID_REPORT_CHECKSUM : 0),
+ f_out, -1);
+ if (inplace && !read_batch)
+ write_byte(f_out, fnamecmp_type);
+ }
+ if (f_out_name >= 0) {
write_byte(f_out_name, fnamecmp_type);
+ if (fnamecmp_type == FNAMECMP_FUZZY) {
+ uchar lenbuf[3], *lb = lenbuf;
+ int len = strlen(fuzzy_file->basename);
+ if (len > 0x7F) {
+#if MAXPATHLEN > 0x7FFF
+ *lb++ = len / 0x10000 + 0x80;
+ *lb++ = len / 0x100;
+#else
+ *lb++ = len / 0x100 + 0x80;
+#endif
+ }
+ *lb = len;
+ write_buf(f_out_name, lenbuf, lb - lenbuf + 1);
+ write_buf(f_out_name, fuzzy_file->basename, len);
+ }
+ }
if (dry_run || read_batch)
return;
set_perms(backupptr, back_file, NULL, 0);
if (verbose > 1) {
rprintf(FINFO, "backed up %s to %s\n",
- fname, backupptr);
+ safe_fname(fname), safe_fname(backupptr));
}
free(back_file);
}
int i;
int phase = 0;
char fbuf[MAXPATHLEN];
+ 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;
if (verbose > 2) {
rprintf(FINFO, "generator starting pid=%ld count=%d\n",
: "delta transmission enabled\n");
}
- /* 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 */
+ /* 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;
for (i = 0; i < flist->count; 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, f_out_name);
+ flist, file, i, f_out, f_out_name);
}
+ recv_generator(NULL, NULL, NULL, 0, -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;
if (verbose > 2)
while ((i = get_redo_num()) != -1) {
struct file_struct *file = flist->files[i];
recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- file, i, f_out, f_out_name);
+ flist, file, i, 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);
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, -1);
+ if ((need_retouch_dir_perms || need_retouch_dir_times)
+ && !list_only && !local_name && !dry_run) {
+ /* 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),
+ flist, file, i, -1, -1);
+ }
}
+ recv_generator(NULL, NULL, NULL, 0, -1, -1);
if (verbose > 2)
rprintf(FINFO,"generate_files finished\n");
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff