extern int io_timeout;
extern int protocol_version;
extern int always_checksum;
+extern char *partial_dir;
extern char *compare_dest;
extern int link_dest;
extern int whole_file;
extern int local_server;
-extern int read_batch;
-extern int write_batch;
extern int list_only;
+extern int read_batch;
extern int only_existing;
extern int orig_umask;
extern int safe_symlinks;
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);
return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
: MD4_SUM_LENGTH) == 0;
c >>= 1;
} while (c >= 8); /* round to multiple of 8 */
blength = MAX(blength, BLOCK_SIZE);
+ blength = MIN(blength, MAX_MAP_SIZE);
}
if (protocol_version < 27) {
}
}
-/**
- * Perhaps we want to just send an empty checksum set for this file,
- * which will force the whole thing to be literally transferred.
- *
- * When do we do this? If the user's explicitly said they
- * want the whole thing, or if { they haven't explicitly
- * requested a delta, and it's local but not batch mode.}
- *
- * Whew. */
-static BOOL disable_deltas_p(void)
-{
- if (whole_file > 0)
- return True;
- if (whole_file == 0 || write_batch || read_batch)
- return False;
- return local_server;
-}
-
/*
* Generate and send a stream of signatures/checksums that describe a buffer
*
* Generate approximately one checksum every block_len bytes.
*/
-static void generate_and_send_sums(struct map_struct *buf, size_t len, int f_out)
+static void generate_and_send_sums(int fd, OFF_T len, int f_out)
{
size_t 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, 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);
+ char *map = map_ptr(mapbuf, offset, n1);
uint32 sum1 = get_checksum1(map, n1);
char sum2[SUM_LENGTH];
len -= n1;
offset += n1;
}
+
+ if (mapbuf)
+ unmap_file(mapbuf);
}
-/**
+/*
* Acts on file number @p i from @p flist, whose name is @p fname.
*
* First fixes up permissions, then generates checksums for the file.
*
* @note This comment was added later by mbp who was trying to work it
* out. It might be wrong.
- **/
-void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
+ */
+static void recv_generator(char *fname, struct file_struct *file, int i,
+ int f_out)
{
int fd;
STRUCT_STAT st;
- struct map_struct *mapbuf;
- int statret;
+ int statret, stat_errno;
char *fnamecmp;
char fnamecmpbuf[MAXPATHLEN];
return;
if (verbose > 2)
- rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i);
+ rprintf(FINFO, "recv_generator(%s,%d)\n", safe_fname(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);
+ safe_fname(fname));
}
return;
}
statret = link_stat(fname, &st, keep_dirlinks && S_ISDIR(file->mode));
+ stat_errno = errno;
- if (only_existing && statret == -1 && errno == ENOENT) {
+ 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 */
* and modification-time repair. */
if (set_perms(fname, file, statret ? NULL : &st, 0)
&& verbose && f_out != -1)
- rprintf(FINFO,"%s/\n",fname);
+ rprintf(FINFO, "%s/\n", safe_fname(fname));
return;
}
}
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);
+ rprintf(FINFO, "%s -> %s\n", safe_fname(fname),
+ safe_fname(file->u.link));
}
}
#endif
delete_file(fname);
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 (verbose) {
+ rprintf(FINFO, "%s\n",
+ safe_fname(fname));
+ }
}
} else {
set_perms(fname, file, &st, PERMS_REPORT);
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 (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 (link_stat(fnamecmpbuf, &st, 0) == 0
+ && S_ISREG(st.st_mode)) {
#if HAVE_LINK
- else if (link_dest && !dry_run) {
- if (do_link(fnamecmpbuf, fname) != 0) {
- if (verbose > 0) {
- rsyserr(FINFO, errno, "link %s => %s",
- fnamecmpbuf, fname);
+ if (link_dest && !dry_run) {
+ if (do_link(fnamecmpbuf, fname) < 0) {
+ if (verbose) {
+ rsyserr(FINFO, errno,
+ "link %s => %s",
+ fnamecmpbuf,
+ safe_fname(fname));
+ }
+ fnamecmp = fnamecmpbuf;
}
- }
- fnamecmp = fnamecmpbuf;
- }
+ } else
#endif
- else
- fnamecmp = fnamecmpbuf;
+ fnamecmp = fnamecmpbuf;
+ statret = 0;
+ }
+ }
+
+ if (statret == 0 && !S_ISREG(st.st_mode)) {
+ if (delete_file(fname) != 0)
+ return;
+ statret = -1;
+ stat_errno = ENOENT;
}
if (statret == -1) {
if (preserve_hard_links && hard_link_check(file, HL_SKIP))
return;
- if (errno == ENOENT) {
+ if (stat_errno == ENOENT) {
write_int(f_out,i);
- if (!dry_run)
+ if (!dry_run && !read_batch)
write_sum_head(f_out, NULL);
} else if (verbose > 1) {
- rsyserr(FERROR, errno,
- "recv_generator: failed to open %s",
+ 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) {
- return;
- }
-
- /* now pretend the file didn't exist */
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
- 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);
+ rprintf(FINFO, "%s exists\n", safe_fname(fname));
return;
}
- if (update_only && cmp_modtime(st.st_mtime,file->modtime)>0 && fnamecmp == fname) {
+ if (update_only && fnamecmp == fname
+ && cmp_modtime(st.st_mtime, file->modtime) > 0) {
if (verbose > 1)
- rprintf(FINFO,"%s is newer\n",fname);
+ rprintf(FINFO, "%s is newer\n", safe_fname(fname));
return;
}
- if (skip_file(fname, file, &st)) {
+ if (skip_file(fnamecmp, file, &st)) {
if (fnamecmp == fname)
set_perms(fname, file, &st, PERMS_REPORT);
return;
}
- if (dry_run) {
+ if (dry_run || read_batch) {
write_int(f_out,i);
return;
}
- if (disable_deltas_p()) {
+ if (whole_file > 0) {
write_int(f_out,i);
write_sum_head(f_out, NULL);
return;
}
+ if (partial_dir) {
+ STRUCT_STAT st2;
+ char *partialptr = partial_dir_fname(fname);
+ if (partialptr && link_stat(partialptr, &st2, 0) == 0
+ && S_ISREG(st2.st_mode)) {
+ st = st2;
+ fnamecmp = partialptr;
+ }
+ }
+
/* open the file */
fd = do_open(fnamecmp, O_RDONLY, 0);
return;
}
- if (st.st_size > 0)
- mapbuf = map_file(fd,st.st_size);
- else
- mapbuf = NULL;
-
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);
write_int(f_out,i);
- generate_and_send_sums(mapbuf, st.st_size, f_out);
+ generate_and_send_sums(fd, st.st_size, f_out);
close(fd);
- if (mapbuf)
- unmap_file(mapbuf);
}
-void generate_files(int f, struct file_list *flist, char *local_name)
+void generate_files(int f_out, struct file_list *flist, char *local_name)
{
int i;
- int phase=0;
+ int phase = 0;
char fbuf[MAXPATHLEN];
if (verbose > 2) {
if (verbose >= 2) {
rprintf(FINFO,
- disable_deltas_p()
+ whole_file > 0
? "delta-transmission disabled for local transfer or --whole-file\n"
: "delta transmission enabled\n");
}
}
recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- file, i, f);
+ file, i, f_out);
}
phase++;
csum_length = SUM_LENGTH;
- ignore_times=1;
+ ignore_times = 1;
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
- write_int(f,-1);
+ write_int(f_out, -1);
/* files can cycle through the system more than once
* to catch initial checksum errors */
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);
+ file, i, f_out);
}
phase++;
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
- write_int(f,-1);
+ write_int(f_out, -1);
if (preserve_hard_links)
do_hard_links();