#include "rsync.h"
-extern struct stats stats;
-
extern int verbose;
-extern int do_progress;
+extern int dry_run;
+extern int list_only;
extern int am_root;
extern int am_server;
extern int am_daemon;
extern int am_sender;
-extern int delete_during;
+extern int do_progress;
extern int always_checksum;
extern int module_id;
extern int ignore_errors;
extern int numeric_ids;
-
extern int recurse;
extern int xfer_dirs;
-extern char curr_dir[MAXPATHLEN];
-extern unsigned int curr_dir_len;
-extern char *backup_dir;
-extern char *backup_suffix;
extern int filesfrom_fd;
-
extern int one_file_system;
extern int keep_dirlinks;
extern int preserve_links;
extern int preserve_gid;
extern int relative_paths;
extern int implied_dirs;
-extern int make_backups;
-extern int backup_suffix_len;
extern int copy_links;
extern int copy_unsafe_links;
extern int protocol_version;
extern int sanitize_paths;
-extern int delete_excluded;
-extern int max_delete;
extern int orig_umask;
-extern int list_only;
+extern struct stats stats;
+extern struct file_list *the_file_list;
+
+extern char curr_dir[MAXPATHLEN];
extern struct filter_list_struct filter_list;
extern struct filter_list_struct server_filter_list;
int io_error;
+dev_t filesystem_dev; /* used to implement -x */
static char empty_sum[MD4_SUM_LENGTH];
+static int flist_count_offset;
static unsigned int file_struct_len;
-static struct file_list *received_flist;
-static dev_t filesystem_dev; /* used to implement -x */
-static int deletion_count = 0; /* used to implement --max-delete */
+static struct file_list *sorting_flist;
-static int flist_find(struct file_list *flist, struct file_struct *f);
static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
-static void output_flist(struct file_list *flist, const char *whose_list);
+static void output_flist(struct file_list *flist);
void init_flist(void)
{
}
-static void emit_filelist_progress(const struct file_list *flist)
+static void emit_filelist_progress(int count)
{
- rprintf(FINFO, " %d files...\r", flist->count);
+ rprintf(FINFO, " %d files...\r", count);
}
-static void maybe_emit_filelist_progress(const struct file_list *flist)
+static void maybe_emit_filelist_progress(int count)
{
- if (do_progress && show_filelist_p() && (flist->count % 100) == 0)
- emit_filelist_progress(flist);
+ if (do_progress && show_filelist_p() && (count % 100) == 0)
+ emit_filelist_progress(count);
}
permstring(perms, f->mode);
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(f->mode)) {
rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
perms,
(double)f->length, timestring(f->modtime),
- f_name(f), f->u.link);
+ safe_fname(f_name(f)), safe_fname(f->u.link));
} else
#endif
{
rprintf(FINFO, "%s %11.0f %s %s\n",
perms,
(double)f->length, timestring(f->modtime),
- f_name(f));
+ safe_fname(f_name(f)));
}
}
**/
static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
{
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
if (link_stat(path, buffer, 0) < 0)
if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
if (verbose > 1) {
rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
- path, linkbuf);
+ safe_fname(path), safe_fname(linkbuf));
}
return do_stat(path, buffer);
}
int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks)
{
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
if (do_lstat(path, buffer) < 0)
static int to_wire_mode(mode_t mode)
{
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
return (mode & ~(_S_IFMT)) | 0120000;
#endif
static void send_directory(int f, struct file_list *flist,
- char *fbuf, unsigned int offset);
+ char *fbuf, int len);
static char *flist_dir;
static int flist_dir_len;
char fname[MAXPATHLEN];
int l1, l2;
- if (f == -1)
+ if (f < 0)
return;
if (!file) {
else
modtime = file->modtime;
-#if SUPPORT_HARD_LINKS
+#ifdef SUPPORT_HARD_LINKS
if (file->link_u.idev) {
if (file->F_DEV == dev) {
if (protocol_version >= 28)
/* 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_DEL_START on a non-dir has no meaning, so
+ * the use of XMIT_TOP_DIR 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_DEL_START;
+ flags |= XMIT_TOP_DIR;
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_DEL_START;
+ flags |= XMIT_TOP_DIR;
if (!(flags & 0xFF))
flags |= XMIT_LONG_NAME;
write_byte(f, flags);
}
}
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
int len = strlen(file->u.link);
write_int(f, len);
}
#endif
-#if SUPPORT_HARD_LINKS
+#ifdef SUPPORT_HARD_LINKS
if (flags & XMIT_HAS_IDEV_DATA) {
if (protocol_version < 26) {
/* 32-bit dev_t and ino_t */
-static void receive_file_entry(struct file_list *flist, int ndx,
- unsigned short flags, int f)
+static struct file_struct *receive_file_entry(struct file_list *flist,
+ unsigned short flags, int f)
{
static time_t modtime;
static mode_t mode;
*lastname = '\0';
lastdir_len = -1;
in_del_hier = 0;
- return;
+ return NULL;
}
if (flags & XMIT_SAME_NAME)
if (l2 >= MAXPATHLEN - l1) {
rprintf(FERROR,
"overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
- flags, l1, l2, lastname);
+ flags, l1, l2, safe_fname(lastname));
overflow("receive_file_entry");
}
}
}
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
linkname_len = read_int(f) + 1; /* count the '\0' */
if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ linkname_len + sum_len;
bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry");
- file = flist->files[ndx] = (struct file_struct *)bp;
+ file = (struct file_struct *)bp;
memset(bp, 0, file_struct_len);
bp += file_struct_len;
file->dir.depth = 1;
if (S_ISDIR(mode)) {
- if (basename_len == 1+1 && *basename == '.') /* N.B. null */
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
file->dir.depth--;
- if (flags & XMIT_DEL_START) {
+ if (flags & XMIT_TOP_DIR) {
in_del_hier = 1;
del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2;
- file->flags |= FLAG_DEL_START;
- } else if (delete_during && in_del_hier) {
+ if (relative_paths && del_hier_name_len > 2
+ && basename_len == 1+1 && *basename == '.')
+ del_hier_name_len -= 2;
+ file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE;
+ } else if (in_del_hier) {
if (!relative_paths || !del_hier_name_len
|| (l1 >= del_hier_name_len
&& thisname[del_hier_name_len] == '/'))
- file->flags |= FLAG_DEL_START;
+ file->flags |= FLAG_DEL_HERE;
else
in_del_hier = 0;
}
if (preserve_devices && IS_DEVICE(mode))
file->u.rdev = rdev;
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (linkname_len) {
file->u.link = bp;
read_sbuf(f, bp, linkname_len - 1);
}
#endif
-#if SUPPORT_HARD_LINKS
+#ifdef SUPPORT_HARD_LINKS
if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
flags |= XMIT_HAS_IDEV_DATA;
if (flags & XMIT_HAS_IDEV_DATA) {
* permissions and umask. This emulates what GNU cp does */
file->mode &= ~orig_umask;
}
+
+ return file;
}
if (strlcpy(thisname, fname, sizeof thisname)
>= sizeof thisname - flist_dir_len) {
- rprintf(FINFO, "skipping overly long name: %s\n", fname);
+ rprintf(FINFO, "skipping overly long name: %s\n",
+ safe_fname(fname));
return NULL;
}
clean_fname(thisname, 0);
&& is_excluded(thisname, 0, filter_level))
return NULL;
if (save_errno == ENOENT) {
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
/* Avoid "vanished" error if symlink points nowhere. */
if (copy_links && do_lstat(thisname, &st) == 0
&& S_ISLNK(st.st_mode)) {
goto skip_filters;
if (S_ISDIR(st.st_mode) && !xfer_dirs) {
- rprintf(FINFO, "skipping directory %s\n", thisname);
+ rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname));
return NULL;
}
return NULL;
if (lp_ignore_nonreadable(module_id)) {
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (!S_ISLNK(st.st_mode))
#endif
if (access(thisname, R_OK) != 0)
if (verbose > 2) {
rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
- who_am_i(), thisname, filter_level);
+ who_am_i(), safe_fname(thisname), filter_level);
}
if ((basename = strrchr(thisname, '/')) != NULL) {
}
basename_len = strlen(basename) + 1; /* count the '\0' */
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
#else
linkname_len = 0;
file->uid = st.st_uid;
file->gid = st.st_gid;
-#if SUPPORT_HARD_LINKS
+#ifdef SUPPORT_HARD_LINKS
if (flist && flist->hlink_pool) {
if (protocol_version < 28) {
if (S_ISREG(st.st_mode))
memcpy(bp, basename, basename_len);
bp += basename_len;
-#if HAVE_STRUCT_STAT_ST_RDEV
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
if (preserve_devices && IS_DEVICE(st.st_mode))
file->u.rdev = st.st_rdev;
#endif
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (linkname_len) {
file->u.link = bp;
memcpy(bp, linkname, linkname_len);
* 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)
+ int save_mode = file->mode;
+ file->mode = S_IFDIR; /* find a directory w/our name */
+ if (flist_find(the_file_list, file) >= 0
&& do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
file->modtime = st2.st_mtime;
file->length = st2.st_size;
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;
- }
- }
+ } else
+ file->mode = save_mode;
}
- if (!S_ISDIR(st.st_mode))
+ if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
stats.total_size += st.st_size;
return file;
}
-void send_file_name(int f, struct file_list *flist, char *fname,
- int recursive, unsigned short base_flags)
+static struct file_struct *send_file_name(int f, struct file_list *flist,
+ char *fname, unsigned short base_flags)
{
struct file_struct *file;
- char fbuf[MAXPATHLEN];
-
- /* f is set to -1 when calculating deletion file list */
- file = make_file(fname, flist,
- f == -1 && delete_excluded? SERVER_FILTERS : ALL_FILTERS);
+ file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS);
if (!file)
- return;
+ return NULL;
- maybe_emit_filelist_progress(flist);
+ maybe_emit_filelist_progress(flist->count + flist_count_offset);
flist_expand(flist);
flist->files[flist->count++] = file;
send_file_entry(file, f, base_flags);
}
+ return file;
+}
- if (recursive && S_ISDIR(file->mode)
+static void send_if_directory(int f, struct file_list *flist,
+ struct file_struct *file)
+{
+ char fbuf[MAXPATHLEN];
+
+ if (S_ISDIR(file->mode)
&& !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) {
void *save_filters;
unsigned int len = strlen(fbuf);
}
-/* Note that the "recurse" value either contains -1, for infinite recursion,
- * or a number >= 0 indicating how many levels of recursion we will allow. */
+/* This function is normally called by the sender, but the receiving side also
+ * calls it from get_dirlist() with f set to -1 so that we just construct the
+ * file list in memory without sending it over the wire. Also, get_dirlist()
+ * might call this with f set to -2, which also indicates that local filter
+ * rules should be ignored. */
static void send_directory(int f, struct file_list *flist,
- char *fbuf, unsigned int len)
+ char *fbuf, int len)
{
struct dirent *di;
+ unsigned remainder;
char *p;
DIR *d;
+ int start = flist->count;
if (!(d = opendir(fbuf))) {
io_error |= IOERR_GENERAL;
if (len != 1 || *fbuf != '/')
*p++ = '/';
*p = '\0';
+ remainder = MAXPATHLEN - (p - fbuf);
for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
char *dname = d_name(di);
if (dname[0] == '.' && (dname[1] == '\0'
|| (dname[1] == '.' && dname[2] == '\0')))
continue;
- if (strlcpy(p, dname, MAXPATHLEN - len) < MAXPATHLEN - len) {
- int do_subdirs = recurse >= 1 ? recurse-- : recurse;
- send_file_name(f, flist, fbuf, do_subdirs, 0);
- } else {
+ if (strlcpy(p, dname, remainder) < remainder)
+ send_file_name(f, flist, fbuf, 0);
+ else {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot send long-named file %s\n",
full_fname(fbuf));
}
}
+
+ fbuf[len] = '\0';
+
if (errno) {
io_error |= IOERR_GENERAL;
- *p = '\0';
- rsyserr(FERROR, errno, "readdir(%s)", fbuf);
+ rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf));
}
closedir(d);
+
+ if (recurse) {
+ int i, end = flist->count - 1;
+ for (i = start; i <= end; i++)
+ send_if_directory(f, flist, flist->files[i]);
+ }
}
-/* This function is normally called by the sender, but the receiving side
- * also uses it to construct one or more file lists if one of the --delete
- * options have been specified. The delete_files() function 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 is set (so that the delete list includes user-excluded
- * files). */
struct file_list *send_file_list(int f, int argc, char *argv[])
{
int l;
int64 start_write;
int use_ff_fd = 0;
- if (show_filelist_p() && f != -1)
+ if (show_filelist_p())
start_filelist_progress("building file list");
start_write = stats.total_written;
gettimeofday(&start_tv, NULL);
- flist = flist_new(f == -1 ? WITHOUT_HLINK : WITH_HLINK,
- "send_file_list");
+ flist = flist_new(WITH_HLINK, "send_file_list");
- if (f != -1) {
- io_start_buffering_out();
- if (filesfrom_fd >= 0) {
- if (argv[0] && !push_dir(argv[0])) {
- rsyserr(FERROR, errno, "push_dir %s failed",
- full_fname(argv[0]));
- exit_cleanup(RERR_FILESELECT);
- }
- use_ff_fd = 1;
+ io_start_buffering_out();
+ if (filesfrom_fd >= 0) {
+ if (argv[0] && !push_dir(argv[0])) {
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(argv[0]));
+ exit_cleanup(RERR_FILESELECT);
}
+ use_ff_fd = 1;
}
while (1) {
+ struct file_struct *file;
char fname2[MAXPATHLEN];
char *fname = fname2;
- int do_subdirs;
+ int is_dot_dir;
if (use_ff_fd) {
if (read_filesfrom_line(filesfrom_fd, fname) == 0)
if (l == 2 && fname[0] == '.') {
/* Turn "./" into just "." rather than "./." */
fname[1] = '\0';
- } else if (l < MAXPATHLEN) {
+ } else {
+ if (l + 1 >= MAXPATHLEN)
+ overflow("send_file_list");
fname[l++] = '.';
fname[l] = '\0';
}
+ is_dot_dir = 1;
+ } else if (l > 1 && fname[l-1] == '.' && fname[l-2] == '.'
+ && (l == 2 || fname[l-3] == '/')) {
+ if (l + 2 >= MAXPATHLEN)
+ overflow("send_file_list");
+ fname[l++] = '/';
+ fname[l++] = '.';
+ fname[l] = '\0';
+ is_dot_dir = 1;
+ } else {
+ is_dot_dir = fname[l-1] == '.'
+ && (l == 1 || fname[l-2] == '/');
}
- 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, keep_dirlinks) != 0) {
- if (f != -1) {
- io_error |= IOERR_GENERAL;
- rsyserr(FERROR, errno, "link_stat %s failed",
- full_fname(fname));
- }
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "link_stat %s failed",
+ full_fname(fname));
continue;
}
if (S_ISDIR(st.st_mode) && !xfer_dirs) {
- rprintf(FINFO, "skipping directory %s\n", fname);
+ rprintf(FINFO, "skipping directory %s\n",
+ safe_fname(fname));
continue;
}
dir = fname;
fname = p + 1;
}
- } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) {
+ } else if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) {
/* this ensures we send the intermediate directories,
thus getting their permissions right */
char *lp = lastpath, *fn = fname, *slash = fname;
xfer_dirs = 1;
while ((slash = strchr(slash+1, '/')) != 0) {
*slash = 0;
- send_file_name(f, flist, fname, 0, 0);
+ send_file_name(f, flist, fname, 0);
*slash = '/';
}
copy_links = save_copy_links;
if (one_file_system)
filesystem_dev = st.st_dev;
- do_subdirs = recurse >= 1 ? recurse-- : recurse;
- send_file_name(f, flist, fname, do_subdirs, XMIT_DEL_START);
+ if ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) {
+ if (recurse || (xfer_dirs && is_dot_dir))
+ send_if_directory(f, flist, file);
+ }
if (olddir[0]) {
flist_dir = NULL;
}
}
- if (f != -1) {
- gettimeofday(&end_tv, NULL);
- stats.flist_buildtime =
- (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
- + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
- if (stats.flist_buildtime == 0)
- stats.flist_buildtime = 1;
- start_tv = end_tv;
+ gettimeofday(&end_tv, NULL);
+ stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+ if (stats.flist_buildtime == 0)
+ stats.flist_buildtime = 1;
+ start_tv = end_tv;
- send_file_entry(NULL, f, 0);
+ send_file_entry(NULL, f, 0);
- if (show_filelist_p())
- finish_filelist_progress(flist);
+ if (show_filelist_p())
+ finish_filelist_progress(flist);
- gettimeofday(&end_tv, NULL);
- stats.flist_xfertime =
- (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
- + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
- }
+ gettimeofday(&end_tv, NULL);
+ stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
if (flist->hlink_pool) {
pool_destroy(flist->hlink_pool);
flist->hlink_pool = NULL;
}
+ /* Sort the list without removing any duplicates. This allows the
+ * receiving side to ask for any name they like, which gives us the
+ * flexibility to change the way we unduplicate names in the future
+ * without causing a compatibility problem with older versions. */
clean_flist(flist, 0, 0);
- if (f != -1) {
- /* Now send the uid/gid list. This was introduced in
- * protocol version 15 */
- send_uid_list(f);
+ /* Now send the uid/gid list. This was introduced in
+ * protocol version 15 */
+ send_uid_list(f);
- /* send the io_error flag */
- write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
+ /* send the io_error flag */
+ write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
- io_end_buffering();
- stats.flist_size = stats.total_written - start_write;
- stats.num_files = flist->count;
- }
+ io_end_buffering();
+ stats.flist_size = stats.total_written - start_write;
+ stats.num_files = flist->count;
if (verbose > 3)
- output_flist(flist, f < 0 ? "delete" : who_am_i());
+ output_flist(flist);
if (verbose > 2)
rprintf(FINFO, "send_file_list done\n");
start_read = stats.total_read;
flist = flist_new(WITH_HLINK, "recv_file_list");
- received_flist = flist;
flist->count = 0;
flist->malloced = 1000;
while ((flags = read_byte(f)) != 0) {
- int i = flist->count;
+ struct file_struct *file;
flist_expand(flist);
if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
flags |= read_byte(f) << 8;
- receive_file_entry(flist, i, flags, f);
+ file = receive_file_entry(flist, flags, f);
- if (S_ISREG(flist->files[i]->mode))
- stats.total_size += flist->files[i]->length;
+ if (S_ISREG(file->mode))
+ stats.total_size += file->length;
- flist->count++;
+ flist->files[flist->count++] = file;
- maybe_emit_filelist_progress(flist);
+ maybe_emit_filelist_progress(flist->count);
if (verbose > 2) {
rprintf(FINFO, "recv_file_name(%s)\n",
- f_name(flist->files[i]));
+ safe_fname(f_name(file)));
}
}
- receive_file_entry(NULL, 0, 0, 0); /* Signal that we're done. */
+ receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
if (verbose > 2)
rprintf(FINFO, "received %d names\n", flist->count);
clean_flist(flist, relative_paths, 1);
- if (f != -1) {
+ if (f >= 0) {
/* Now send the uid/gid list. This was introduced in
* protocol version 15 */
recv_uid_list(f, flist);
}
if (verbose > 3)
- output_flist(flist, who_am_i());
+ output_flist(flist);
if (list_only) {
int i;
}
-static int flist_find(struct file_list *flist, struct file_struct *f)
+/* Search for an identically-named item in the file list. Note that the
+ * items must agree in their directory-ness, or no match is returned. */
+int flist_find(struct file_list *flist, struct file_struct *f)
{
int low = flist->low, high = flist->high;
int ret, mid, mid_up;
ret = f_name_cmp(flist->files[mid_up], f);
else
ret = 1;
- if (ret == 0)
+ if (ret == 0) {
+ if (protocol_version < 29
+ && S_ISDIR(flist->files[mid_up]->mode)
+ != S_ISDIR(f->mode))
+ return -1;
return mid_up;
+ }
if (ret > 0)
high = mid - 1;
else
return -1;
}
+
/*
* Free up any resources a file_struct has allocated
* and clear the file.
out_of_memory, POOL_INTERN)))
out_of_memory(msg);
-#if SUPPORT_HARD_LINKS
+#ifdef SUPPORT_HARD_LINKS
if (with_hlink && preserve_hard_links) {
if (!(flist->hlink_pool = pool_create(HLINK_EXTENT,
sizeof (struct idev), out_of_memory, POOL_INTERN)))
{
int i, prev_i = 0;
- if (!flist || flist->count == 0)
+ if (!flist)
+ return;
+ if (flist->count == 0) {
+ flist->high = -1;
return;
+ }
+ sorting_flist = flist;
qsort(flist->files, flist->count,
sizeof flist->files[0], (int (*)())file_compare);
+ sorting_flist = NULL;
for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
if (flist->files[i]->basename) {
}
flist->low = prev_i;
while (++i < flist->count) {
- if (!flist->files[i]->basename)
+ int j;
+ struct file_struct *file = flist->files[i];
+
+ if (!file->basename)
continue;
- if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) {
+ if (f_name_cmp(file, flist->files[prev_i]) == 0)
+ j = prev_i;
+ else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
+ int save_mode = file->mode;
+ /* Make sure that this directory doesn't duplicate a
+ * non-directory earlier in the list. */
+ flist->high = prev_i;
+ file->mode = S_IFREG;
+ j = flist_find(flist, file);
+ file->mode = save_mode;
+ } else
+ j = -1;
+ if (j >= 0) {
+ struct file_struct *fp = flist->files[j];
+ int keep, drop;
+ /* If one is a dir and the other is not, we want to
+ * keep the dir because it might have contents in the
+ * list. */
+ if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) {
+ if (S_ISDIR(file->mode))
+ keep = i, drop = j;
+ else
+ keep = j, drop = i;
+ } else
+ keep = j, drop = i;
if (verbose > 1 && !am_server) {
rprintf(FINFO,
- "removing duplicate name %s from file list %d\n",
- f_name(flist->files[i]), i);
+ "removing duplicate name %s from file list (%d)\n",
+ safe_fname(f_name(file)), drop);
}
/* 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_DEL_START)
- flist->files[prev_i]->flags |= FLAG_DEL_START;
-
- clear_file(i, flist);
+ * lose track of a user-specified top directory. */
+ flist->files[keep]->flags |= flist->files[drop]->flags
+ & (FLAG_TOP_DIR|FLAG_DEL_HERE);
+
+ clear_file(drop, flist);
+
+ if (keep == i) {
+ if (flist->low == drop) {
+ for (j = drop + 1;
+ j < i && !flist->files[j]->basename;
+ j++) {}
+ flist->low = j;
+ }
+ prev_i = i;
+ }
} else
prev_i = i;
}
- flist->high = prev_i;
+ flist->high = no_dups ? prev_i : flist->count - 1;
if (strip_root) {
- /* we need to strip off the root directory in the case
- of relative paths, but this must be done _after_
- the sorting phase */
- for (i = 0; i < flist->count; i++) {
- if (flist->files[i]->dirname &&
- flist->files[i]->dirname[0] == '/') {
- memmove(&flist->files[i]->dirname[0],
- &flist->files[i]->dirname[1],
- strlen(flist->files[i]->dirname));
- }
+ /* We need to strip off the leading slashes for relative
+ * paths, but this must be done _after_ the sorting phase. */
+ for (i = flist->low; i <= flist->high; i++) {
+ struct file_struct *file = flist->files[i];
- if (flist->files[i]->dirname &&
- !flist->files[i]->dirname[0]) {
- flist->files[i]->dirname = NULL;
+ if (!file->dirname)
+ continue;
+ if (*file->dirname == '/') {
+ char *s = file->dirname + 1;
+ while (*s == '/') s++;
+ memmove(file->dirname, s, strlen(s) + 1);
}
+
+ if (!*file->dirname)
+ file->dirname = NULL;
}
}
}
-static void output_flist(struct file_list *flist, const char *whose_list)
+
+static void output_flist(struct file_list *flist)
{
char uidbuf[16], gidbuf[16], depthbuf[16];
struct file_struct *file;
+ const char *who = who_am_i();
int i;
for (i = 0; i < flist->count; i++) {
if (!am_sender)
sprintf(depthbuf, "%d", file->dir.depth);
rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
- whose_list, i, am_sender ? NS(file->dir.root) : depthbuf,
- file->dirname ? file->dirname : "",
+ who, i, am_sender ? NS(file->dir.root) : depthbuf,
+ file->dirname ? safe_fname(file->dirname) : "",
file->dirname ? "/" : "", NS(file->basename),
S_ISDIR(file->mode) ? "/" : "", (int)file->mode,
(double)file->length, uidbuf, gidbuf, file->flags);
}
-enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE };
+enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING };
+enum fnc_type { t_PATH, t_ITEM };
-/* Compare the names of two file_struct entities, just like strcmp()
- * would do if it were operating on the joined strings. We assume
- * that there are no 0-length strings.
- */
+/* Compare the names of two file_struct entities, similar to how strcmp()
+ * would do if it were operating on the joined strings.
+ *
+ * Some differences beginning with protocol_version 29: (1) directory names
+ * are compared with an assumed trailing slash so that they compare in a
+ * way that would cause them to sort immediately prior to any content they
+ * may have; (2) a directory of any name compares after a non-directory of
+ * any name at the same depth; (3) a directory with name "." compares prior
+ * to anything else. These changes mean that a directory and a non-dir
+ * with the same name will not compare as equal (protocol_version >= 29).
+ *
+ * The dirname component can be an empty string, but the basename component
+ * cannot (and never is in the current codebase). The basename component
+ * may be NULL (for a removed item), in which case it is considered to be
+ * after any existing item. */
int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
{
int dif;
const uchar *c1, *c2;
enum fnc_state state1, state2;
+ enum fnc_type type1, type2;
+ enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
if (!f1 || !f1->basename) {
if (!f2 || !f2->basename)
if (c1 == c2)
c1 = c2 = NULL;
if (!c1) {
- state1 = fnc_BASE;
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
c1 = (uchar*)f1->basename;
+ if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
+ type1 = t_ITEM;
+ state1 = s_TRAILING;
+ c1 = (uchar*)"";
+ } else
+ state1 = s_BASE;
} else if (!*c1) {
- state1 = fnc_SLASH;
+ type1 = t_path;
+ state1 = s_SLASH;
c1 = (uchar*)"/";
- } else
- state1 = fnc_DIR;
+ } else {
+ type1 = t_path;
+ state1 = s_DIR;
+ }
if (!c2) {
- state2 = fnc_BASE;
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
c2 = (uchar*)f2->basename;
+ if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
+ type2 = t_ITEM;
+ state2 = s_TRAILING;
+ c2 = (uchar*)"";
+ } else
+ state2 = s_BASE;
} else if (!*c2) {
- state2 = fnc_SLASH;
+ type2 = t_path;
+ state2 = s_SLASH;
c2 = (uchar*)"/";
- } else
- state2 = fnc_DIR;
+ } else {
+ type2 = t_path;
+ state2 = s_DIR;
+ }
+
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
while (1) {
- if ((dif = (int)*c1 - (int)*c2) != 0)
+ if ((dif = (int)*c1++ - (int)*c2++) != 0)
break;
- if (!*++c1) {
+ if (!*c1) {
switch (state1) {
- case fnc_DIR:
- state1 = fnc_SLASH;
+ case s_DIR:
+ state1 = s_SLASH;
c1 = (uchar*)"/";
break;
- case fnc_SLASH:
- state1 = fnc_BASE;
+ case s_SLASH:
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
c1 = (uchar*)f1->basename;
+ if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
+ type1 = t_ITEM;
+ state1 = s_TRAILING;
+ c1 = (uchar*)"";
+ } else
+ state1 = s_BASE;
break;
- case fnc_BASE:
+ case s_BASE:
+ state1 = s_TRAILING;
+ if (type1 == t_PATH) {
+ c1 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
+ type1 = t_ITEM;
break;
}
+ if (*c2 && type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
}
- if (!*++c2) {
+ if (!*c2) {
switch (state2) {
- case fnc_DIR:
- state2 = fnc_SLASH;
+ case s_DIR:
+ state2 = s_SLASH;
c2 = (uchar*)"/";
break;
- case fnc_SLASH:
- state2 = fnc_BASE;
+ case s_SLASH:
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
c2 = (uchar*)f2->basename;
+ if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
+ type2 = t_ITEM;
+ state2 = s_TRAILING;
+ c2 = (uchar*)"";
+ } else
+ state2 = s_BASE;
break;
- case fnc_BASE:
+ case s_BASE:
+ state2 = s_TRAILING;
+ if (type2 == t_PATH) {
+ c2 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
if (!*c1)
return 0;
+ type2 = t_ITEM;
break;
}
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
}
}
}
-static int is_backup_file(char *fn)
+/* Do a non-recursive scan of the named directory, possibly ignoring all
+ * exclude rules except for the daemon's. If "dlen" is >=0, it is the length
+ * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
+ * buffer (the functions we call will append names onto the end, but the old
+ * dir value will be restored on exit). */
+struct file_list *get_dirlist(char *dirname, int dlen,
+ int ignore_filter_rules)
{
- int k = strlen(fn) - backup_suffix_len;
- return k > 0 && strcmp(fn+k, backup_suffix) == 0;
-}
-
-
-/* This function is used to implement --delete-during. */
-void delete_in_dir(struct file_list *flist, char *fbuf, int dlen, int new_depth)
-{
- static int min_depth = MAXPATHLEN, cur_depth = -1;
- static void *filt_array[MAXPATHLEN/2+1];
- struct file_list *dir_list;
- STRUCT_STAT st;
-
- if (!flist) {
- while (cur_depth >= min_depth)
- pop_local_filters(filt_array[cur_depth--]);
- min_depth = MAXPATHLEN;
- cur_depth = -1;
- return;
- }
- if (new_depth >= MAXPATHLEN/2+1)
- return; /* Impossible... */
-
- if (max_delete && deletion_count >= max_delete)
- return;
+ struct file_list *dirlist;
+ char dirbuf[MAXPATHLEN];
+ int save_recurse = recurse;
- 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;
+ if (dlen < 0) {
+ dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
+ if (dlen >= MAXPATHLEN)
+ return NULL;
+ dirname = dirbuf;
}
- while (cur_depth >= new_depth && cur_depth >= min_depth)
- pop_local_filters(filt_array[cur_depth--]);
- cur_depth = new_depth;
- if (min_depth > cur_depth)
- min_depth = cur_depth;
- filt_array[cur_depth] = push_local_filters(fbuf, dlen);
-
- if (link_stat(fbuf, &st, keep_dirlinks) < 0)
- return;
-
- if (one_file_system)
- filesystem_dev = st.st_dev;
-
- dir_list = flist_new(WITHOUT_HLINK, "delete_in_dir");
+ dirlist = flist_new(WITHOUT_HLINK, "get_dirlist");
recurse = 0;
- send_directory(-1, dir_list, fbuf, dlen);
- recurse = -1;
- fbuf[dlen] = '\0';
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen);
+ recurse = save_recurse;
+ if (do_progress)
+ flist_count_offset += dirlist->count;
- if (verbose > 3)
- output_flist(dir_list, "delete");
-
- delete_missing(flist, dir_list, fbuf);
-
- flist_free(dir_list);
-}
+ clean_flist(dirlist, 0, 0);
+ if (verbose > 3)
+ output_flist(dirlist);
-/* If an item in dir_list is not found in full_list, delete it from the
- * filesystem. */
-void delete_missing(struct file_list *full_list, struct file_list *dir_list,
- const char *dirname)
-{
- int i, j, mode;
-
- if (max_delete && deletion_count >= max_delete)
- return;
-
- if (verbose > 2)
- rprintf(FINFO, "delete_missing(%s)\n", safe_fname(dirname));
-
- for (i = dir_list->count; i--; ) {
- if (!dir_list->files[i]->basename)
- continue;
- mode = dir_list->files[i]->mode;
- if ((j = flist_find(full_list, dir_list->files[i])) < 0
- || (delete_during && S_ISDIR(mode)
- && !S_ISDIR(full_list->files[j]->mode))) {
- char *f = f_name(dir_list->files[i]);
- if (make_backups && (backup_dir || !is_backup_file(f))
- && !S_ISDIR(mode)) {
- make_backup(f);
- if (verbose) {
- rprintf(FINFO, "deleting %s\n",
- safe_fname(f));
- }
- } else if (S_ISDIR(mode)) {
- int dflag = delete_during ? DEL_FORCE_RECURSE
- : DEL_NO_RECURSE;
- delete_file(f, DEL_DIR | dflag);
- } else {
- delete_file(f, 0);
- }
- deletion_count++;
- if (max_delete && deletion_count >= max_delete)
- break;
- }
- }
+ return dirlist;
}
git.samba.org / rsync.git / blobdiff