extern int am_root;
extern int am_server;
extern int am_daemon;
+extern int am_sender;
extern int always_checksum;
extern int module_id;
extern int ignore_errors;
extern int cvs_exclude;
extern int recurse;
+extern int xfer_dirs;
extern char curr_dir[MAXPATHLEN];
-extern char *files_from;
extern int filesfrom_fd;
extern int one_file_system;
+extern int keep_dirlinks;
extern int preserve_links;
extern int preserve_hard_links;
extern int preserve_perms;
extern int preserve_devices;
extern int preserve_uid;
extern int preserve_gid;
-extern int preserve_times;
extern int relative_paths;
extern int implied_dirs;
extern int copy_links;
extern int copy_unsafe_links;
extern int protocol_version;
extern int sanitize_paths;
-
-extern int read_batch;
-extern int write_batch;
+extern int delete_excluded;
+extern int orig_umask;
+extern int list_only;
extern struct exclude_list_struct exclude_list;
extern struct exclude_list_struct server_exclude_list;
static char empty_sum[MD4_SUM_LENGTH];
static unsigned int file_struct_len;
+static struct file_list *received_flist;
static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
-static void output_flist(struct file_list *flist);
+static void output_flist(struct file_list *flist, const char *whose_list);
void init_flist(void)
{
static int show_filelist_p(void)
{
- return verbose && (recurse || files_from) && !am_server;
+ return verbose && xfer_dirs && !am_server;
}
static void start_filelist_progress(char *kind)
{
rprintf(FINFO, "%s ... ", kind);
- if ((verbose > 1) || do_progress)
+ if (verbose > 1 || do_progress)
rprintf(FINFO, "\n");
rflush(FINFO);
}
static void maybe_emit_filelist_progress(const struct file_list *flist)
{
- if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
+ if (do_progress && show_filelist_p() && (flist->count % 100) == 0)
emit_filelist_progress(flist);
}
{
char perms[11];
- if (!f->basename)
+ if (!f->basename) {
/* this can happen if duplicate names were removed */
return;
+ }
permstring(perms, f->mode);
if (preserve_links && S_ISLNK(f->mode)) {
rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
perms,
- (double) f->length, timestring(f->modtime),
+ (double)f->length, timestring(f->modtime),
f_name(f), f->u.link);
} else
#endif
+ {
rprintf(FINFO, "%s %11.0f %s %s\n",
perms,
- (double) f->length, timestring(f->modtime),
+ (double)f->length, timestring(f->modtime),
f_name(f));
+ }
}
* @post @p buffer contains information about the link or the
* referrent as appropriate, if they exist.
**/
-int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
+static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
{
#if SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
- if (do_lstat(path, buffer) == -1)
+ if (link_stat(path, buffer, 0) < 0)
return -1;
if (S_ISLNK(buffer->st_mode)) {
- int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1);
+ int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1);
if (l == -1)
return -1;
linkbuf[l] = 0;
#endif
}
-int link_stat(const char *path, STRUCT_STAT * buffer)
+int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks)
{
#if SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
- return do_lstat(path, buffer);
+ if (do_lstat(path, buffer) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(buffer->st_mode)) {
+ STRUCT_STAT st;
+ if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
+ *buffer = st;
+ }
+ return 0;
#else
return do_stat(path, buffer);
#endif
static void set_filesystem(char *fname)
{
STRUCT_STAT st;
- if (link_stat(fname, &st) != 0)
+ if (do_stat(fname, &st) != 0)
return;
filesystem_dev = st.st_dev;
}
if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
return (mode & ~(_S_IFMT)) | 0120000;
#endif
- return (int) mode;
+ return (int)mode;
}
static mode_t from_wire_mode(int mode)
{
if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
return (mode & ~(_S_IFMT)) | _S_IFLNK;
- return (mode_t) mode;
+ return (mode_t)mode;
}
**/
void flist_expand(struct file_list *flist)
{
- void *new_ptr;
+ struct file_struct **new_ptr;
if (flist->count < flist->malloced)
return;
if (flist->malloced < flist->count)
flist->malloced = flist->count;
- if (flist->files) {
- new_ptr = realloc_array(flist->files,
- struct file_struct *, flist->malloced);
- } else {
- new_ptr = new_array(struct file_struct *, flist->malloced);
- }
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
- if (verbose >= 2) {
+ if (verbose >= 2 && flist->malloced != FLIST_START) {
rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
who_am_i(),
- (double) sizeof flist->files[0] * flist->malloced,
+ (double)sizeof flist->files[0] * flist->malloced,
(new_ptr == flist->files) ? " not" : "");
}
- flist->files = (struct file_struct **) new_ptr;
+ flist->files = new_ptr;
if (!flist->files)
out_of_memory("flist_expand");
unsigned short flags;
static time_t modtime;
static mode_t mode;
- static uint64 dev;
+ static int64 dev;
static dev_t rdev;
static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
static char lastname[MAXPATHLEN];
- char *fname, fbuf[MAXPATHLEN];
+ char fname[MAXPATHLEN];
int l1, l2;
if (f == -1)
io_write_phase = "send_file_entry";
- fname = f_name_to(file, fbuf);
+ f_name_to(file, fname);
flags = base_flags;
/* We must make sure we don't send a zero flag byte or the
* other end will terminate the flist transfer. Note that
- * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
+ * the use of XMIT_DEL_START on a non-dir has no meaning, so
* it's harmless way to add a bit to the first flag byte. */
if (protocol_version >= 28) {
if (!flags && !S_ISDIR(mode))
- flags |= XMIT_TOP_DIR;
+ flags |= XMIT_DEL_START;
if ((flags & 0xFF00) || !flags) {
flags |= XMIT_EXTENDED_FLAGS;
write_byte(f, flags);
write_byte(f, flags);
} else {
if (!(flags & 0xFF) && !S_ISDIR(mode))
- flags |= XMIT_TOP_DIR;
+ flags |= XMIT_DEL_START;
if (!(flags & 0xFF))
flags |= XMIT_LONG_NAME;
write_byte(f, flags);
void receive_file_entry(struct file_struct **fptr, unsigned short flags,
- struct file_list *flist, int f)
+ struct file_list *flist, int f)
{
static time_t modtime;
static mode_t mode;
- static uint64 dev;
+ static int64 dev;
static dev_t rdev;
static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
static char lastname[MAXPATHLEN], *lastdir;
- static int lastdir_len = -1;
+ static int lastdir_depth, lastdir_len = -1;
char thisname[MAXPATHLEN];
unsigned int l1 = 0, l2 = 0;
int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
rdev_major = 0;
uid = 0, gid = 0;
*lastname = '\0';
+ lastdir_len = -1;
return;
}
- if (!flist || !flist->count) /* Ignore lastdir when invalid. */
- lastdir_len = -1;
-
if (flags & XMIT_SAME_NAME)
l1 = read_byte(f);
strlcpy(lastname, thisname, MAXPATHLEN);
- clean_fname(thisname);
+ clean_fname(thisname, 0);
if (sanitize_paths)
- sanitize_path(thisname, NULL);
+ sanitize_path(thisname, thisname, "", 0);
if ((basename = strrchr(thisname, '/')) != NULL) {
dirname_len = ++basename - thisname; /* counts future '\0' */
memset(bp, 0, file_struct_len);
bp += file_struct_len;
- file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
+ file->flags = flags & XMIT_DEL_START ? FLAG_DEL_START : 0;
file->modtime = modtime;
file->length = file_length;
file->mode = mode;
memcpy(bp, dirname, dirname_len - 1);
bp += dirname_len;
bp[-1] = '\0';
+ if (sanitize_paths)
+ lastdir_depth = count_dir_elements(lastdir);
} else if (dirname)
file->dirname = dirname;
file->u.link = bp;
read_sbuf(f, bp, linkname_len - 1);
if (sanitize_paths)
- sanitize_path(bp, lastdir);
+ sanitize_path(bp, bp, "", lastdir_depth);
bp += linkname_len;
}
#endif
if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
flags |= XMIT_HAS_IDEV_DATA;
if (flags & XMIT_HAS_IDEV_DATA) {
- uint64 inode;
+ int64 inode;
if (protocol_version < 26) {
dev = read_int(f);
inode = read_int(f);
}
if (!preserve_perms) {
- extern int orig_umask;
/* set an appropriate set of permissions based on original
* permissions and umask. This emulates what GNU cp does */
file->mode &= ~orig_umask;
* statting directories if we're not recursing, but this is not a very
* important case. Some systems may not have d_type.
**/
-struct file_struct *make_file(char *fname,
- struct file_list *flist, int exclude_level)
+struct file_struct *make_file(char *fname, struct file_list *flist,
+ int exclude_level)
{
static char *lastdir;
static int lastdir_len = -1;
rprintf(FINFO, "skipping overly long name: %s\n", fname);
return NULL;
}
- clean_fname(thisname);
+ clean_fname(thisname, 0);
if (sanitize_paths)
- sanitize_path(thisname, NULL);
+ sanitize_path(thisname, thisname, "", 0);
memset(sum, 0, SUM_LENGTH);
if (readlink_stat(thisname, &st, linkname) != 0) {
int save_errno = errno;
- if (errno == ENOENT) {
- enum logcode c = am_daemon && protocol_version < 28
- ? FERROR : FINFO;
- /* either symlink pointing nowhere or file that
- * was removed during rsync run; see if excluded
- * before reporting an error */
- if (exclude_level != NO_EXCLUDES
- && check_exclude_file(thisname, 0, exclude_level)) {
- /* file is excluded anyway, ignore silently */
- return NULL;
+ /* See if file is excluded before reporting an error. */
+ if (exclude_level != NO_EXCLUDES
+ && check_exclude_file(thisname, 0, exclude_level))
+ return NULL;
+ if (save_errno == ENOENT) {
+#if SUPPORT_LINKS
+ /* Avoid "vanished" error if symlink points nowhere. */
+ if (copy_links && do_lstat(thisname, &st) == 0
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FINFO;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
}
- io_error |= IOERR_VANISHED;
- rprintf(c, "file has vanished: %s\n",
- full_fname(thisname));
- }
- else {
+ } else {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readlink %s failed: %s\n",
- full_fname(thisname), strerror(save_errno));
+ rsyserr(FERROR, save_errno, "readlink %s failed",
+ full_fname(thisname));
}
return NULL;
}
if (exclude_level == NO_EXCLUDES)
goto skip_excludes;
- if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
rprintf(FINFO, "skipping directory %s\n", thisname);
return NULL;
}
if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level))
return NULL;
- if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0)
- return NULL;
+ if (lp_ignore_nonreadable(module_id)) {
+#if SUPPORT_LINKS
+ if (!S_ISLNK(st.st_mode))
+#endif
+ if (access(thisname, R_OK) != 0)
+ return NULL;
+ }
skip_excludes:
file->basedir = flist_dir;
+ /* This code is only used by the receiver when it is building
+ * a list of files for a delete pass. */
+ if (keep_dirlinks && linkname_len && flist) {
+ STRUCT_STAT st2;
+ int i = flist_find(received_flist, file);
+ if (i >= 0 && S_ISDIR(received_flist->files[i]->mode)
+ && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
+ file->modtime = st2.st_mtime;
+ file->length = st2.st_size;
+ file->mode = st2.st_mode;
+ file->uid = st2.st_uid;
+ file->gid = st2.st_gid;
+ file->u.link = NULL;
+ if (file->link_u.idev) {
+ pool_free(flist->hlink_pool, 0, file->link_u.idev);
+ file->link_u.idev = NULL;
+ }
+ }
+ }
+
if (!S_ISDIR(st.st_mode))
stats.total_size += st.st_size;
{
struct file_struct *file;
char fbuf[MAXPATHLEN];
- extern int delete_excluded;
/* f is set to -1 when calculating deletion file list */
file = make_file(fname, flist,
flist_expand(flist);
- if (write_batch)
- file->flags |= FLAG_TOP_DIR;
-
if (file->basename[0]) {
flist->files[flist->count++] = file;
send_file_entry(file, f, base_flags);
struct exclude_list_struct last_list = local_exclude_list;
local_exclude_list.head = local_exclude_list.tail = NULL;
send_directory(f, flist, f_name_to(file, fbuf));
- free_exclude_list(&local_exclude_list);
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] popping %sexclude list\n",
+ who_am_i(), local_exclude_list.debug_type);
+ }
+ clear_exclude_list(&local_exclude_list);
local_exclude_list = last_list;
}
}
+/* Note that the "recurse" value either contains -1, for infinite recursion,
+ * or a number >= 0 indicating how many levels of recursion we will allow. */
static void send_directory(int f, struct file_list *flist, char *dir)
{
DIR *d;
d = opendir(dir);
if (!d) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "opendir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "opendir %s failed", full_fname(dir));
return;
}
if (dname[0] == '.' && (dname[1] == '\0'
|| (dname[1] == '.' && dname[2] == '\0')))
continue;
- if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset)
- send_file_name(f, flist, fname, recurse, 0);
- else {
+ if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset) {
+ int do_subdirs = recurse >= 1 ? recurse-- : recurse;
+ send_file_name(f, flist, fname, do_subdirs, 0);
+ } else {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot send long-named file %s\n",
}
if (errno) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readdir(%s): (%d) %s\n",
- dir, errno, strerror(errno));
+ rsyserr(FERROR, errno, "readdir(%s)", dir);
}
closedir(d);
/**
+ * This function is normally called by the sender, but the receiver also
+ * uses it to construct its own file list if --delete has been specified.
* The delete_files() function in receiver.c sets f to -1 so that we just
* construct the file list in memory without sending it over the wire. It
* also has the side-effect of ignoring user-excludes if delete_excluded
start_write = stats.total_written;
flist = flist_new(f == -1 ? WITHOUT_HLINK : WITH_HLINK,
- "send_file_list");
+ "send_file_list");
if (f != -1) {
- io_start_buffering_out(f);
+ io_start_buffering_out();
if (filesfrom_fd >= 0) {
if (argv[0] && !push_dir(argv[0])) {
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(argv[0]), strerror(errno));
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(argv[0]));
exit_cleanup(RERR_FILESELECT);
}
use_ff_fd = 1;
while (1) {
char fname2[MAXPATHLEN];
char *fname = fname2;
+ int do_subdirs;
if (use_ff_fd) {
if (read_filesfrom_line(filesfrom_fd, fname) == 0)
break;
- sanitize_path(fname, NULL);
+ sanitize_path(fname, fname, "", 0);
} else {
if (argc-- == 0)
break;
strlcpy(fname, *argv++, MAXPATHLEN);
if (sanitize_paths)
- sanitize_path(fname, NULL);
+ sanitize_path(fname, fname, "", 0);
}
l = strlen(fname);
- if (fname[l - 1] == '/') {
+ if (!l || fname[l - 1] == '/') {
if (l == 2 && fname[0] == '.') {
/* Turn "./" into just "." rather than "./." */
fname[1] = '\0';
fname[l] = '\0';
}
}
+ if (fname[l-1] == '.' && (l == 1 || fname[l-2] == '/')) {
+ if (!recurse && xfer_dirs)
+ recurse = 1; /* allow one level */
+ } else if (recurse > 0)
+ recurse = 0;
- if (link_stat(fname, &st) != 0) {
+ if (link_stat(fname, &st, keep_dirlinks) != 0) {
if (f != -1) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "link_stat %s failed: %s\n",
- full_fname(fname), strerror(errno));
+ rsyserr(FERROR, errno, "link_stat %s failed",
+ full_fname(fname));
}
continue;
}
- if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
rprintf(FINFO, "skipping directory %s\n", fname);
continue;
}
}
*p = '/';
if (fn != p || (*lp && *lp != '/')) {
- int copy_links_saved = copy_links;
- int recurse_saved = recurse;
+ int save_copy_links = copy_links;
+ int save_xfer_dirs = xfer_dirs;
copy_links = copy_unsafe_links;
- /* set recurse to 1 to prevent make_file
- * from ignoring directory, but still
- * turn off the recursive parameter to
- * send_file_name */
- recurse = 1;
+ xfer_dirs = 1;
while ((slash = strchr(slash+1, '/')) != 0) {
*slash = 0;
send_file_name(f, flist, fname, 0, 0);
*slash = '/';
}
- copy_links = copy_links_saved;
- recurse = recurse_saved;
+ copy_links = save_copy_links;
+ xfer_dirs = save_xfer_dirs;
*p = 0;
strlcpy(lastpath, fname, sizeof lastpath);
*p = '/';
if (!push_dir(dir)) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(dir));
continue;
}
if (one_file_system)
set_filesystem(fname);
- send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR);
+ do_subdirs = recurse >= 1 ? recurse-- : recurse;
+ send_file_name(f, flist, fname, do_subdirs, XMIT_DEL_START);
if (olddir[0]) {
flist_dir = NULL;
flist_dir_len = 0;
if (!pop_dir(olddir)) {
- rprintf(FERROR, "pop_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "pop_dir %s failed",
+ full_fname(dir));
exit_cleanup(RERR_FILESELECT);
}
}
io_end_buffering();
stats.flist_size = stats.total_written - start_write;
stats.num_files = flist->count;
- if (write_batch)
- write_batch_flist_info(flist->count, flist->files);
}
if (verbose > 3)
- output_flist(flist);
+ output_flist(flist, f < 0 ? "delete" : who_am_i());
if (verbose > 2)
rprintf(FINFO, "send_file_list done\n");
struct file_list *flist;
unsigned short flags;
int64 start_read;
- extern int list_only;
if (show_filelist_p())
start_filelist_progress("receiving file list");
start_read = stats.total_read;
flist = flist_new(WITH_HLINK, "recv_file_list");
+ received_flist = flist;
flist->count = 0;
flist->malloced = 1000;
* protocol version 15 */
recv_uid_list(f, flist);
- if (!read_batch) {
- /* Recv the io_error flag */
- if (lp_ignore_errors(module_id) || ignore_errors)
- read_int(f);
- else
- io_error |= read_int(f);
- }
+ /* Recv the io_error flag */
+ if (lp_ignore_errors(module_id) || ignore_errors)
+ read_int(f);
+ else
+ io_error |= read_int(f);
}
if (verbose > 3)
- output_flist(flist);
+ output_flist(flist, who_am_i());
if (list_only) {
int i;
return;
qsort(flist->files, flist->count,
- sizeof flist->files[0], (int (*)()) file_compare);
+ sizeof flist->files[0], (int (*)())file_compare);
for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
if (flist->files[i]->basename) {
/* Make sure that if we unduplicate '.', that we don't
* lose track of a user-specified starting point (or
* else deletions will mysteriously fail with -R). */
- if (flist->files[i]->flags & FLAG_TOP_DIR)
- flist->files[prev_i]->flags |= FLAG_TOP_DIR;
+ if (flist->files[i]->flags & FLAG_DEL_START)
+ flist->files[prev_i]->flags |= FLAG_DEL_START;
clear_file(i, flist);
} else
}
}
-static void output_flist(struct file_list *flist)
+static void output_flist(struct file_list *flist, const char *whose_list)
{
char uidbuf[16], gidbuf[16];
struct file_struct *file;
for (i = 0; i < flist->count; i++) {
file = flist->files[i];
- if (am_root && preserve_uid)
+ if ((am_root || am_sender) && preserve_uid)
sprintf(uidbuf, " uid=%ld", (long)file->uid);
else
*uidbuf = '\0';
else
*gidbuf = '\0';
rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n",
- who_am_i(), i, NS(file->basedir), NS(file->dirname),
- NS(file->basename), (int) file->mode,
- (double) file->length, uidbuf, gidbuf);
+ whose_list, i, NS(file->basedir), NS(file->dirname),
+ NS(file->basename), (int)file->mode,
+ (double)file->length, uidbuf, gidbuf);
}
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff