* Copyright (C) 1996 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
* Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2002-2008 Wayne Davison
+ * Copyright (C) 2002-2009 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "rsync.h"
#include "ifuncs.h"
#include "rounding.h"
+#include "inums.h"
#include "io.h"
extern int am_root;
extern int preserve_hard_links;
extern int preserve_devices;
extern int preserve_specials;
+extern int missing_args;
extern int uid_ndx;
extern int gid_ndx;
extern int eol_nulls;
extern int unsort_ndx;
extern struct stats stats;
extern char *filesfrom_host;
+extern char *usermap, *groupmap;
extern char curr_dir[MAXPATHLEN];
static char empty_sum[MAX_DIGEST_LEN];
static int flist_count_offset; /* for --delete --progress */
-static int dir_count = 0;
static void flist_sort_and_clean(struct file_list *flist, int strip_root);
static void output_flist(struct file_list *flist);
if (DEBUG_GTE(FLIST, 1) && flist->malloced != FLIST_START) {
rprintf(FCLIENT, "[%s] expand file_list pointer array to %s bytes, did%s move\n",
who_am_i(),
- big_num(sizeof flist->files[0] * flist->malloced, 0),
+ big_num(sizeof flist->files[0] * flist->malloced),
(new_ptr == flist->files) ? " not" : "");
}
int l1, l2;
int xflags;
- /* Initialize starting value of xflags. */
- if (protocol_version >= 30 && S_ISDIR(file->mode)) {
- dir_count++;
- if (file->flags & FLAG_CONTENT_DIR)
- xflags = file->flags & FLAG_TOP_DIR;
- else if (file->flags & FLAG_IMPLIED_DIR)
- xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR;
- else
- xflags = XMIT_NO_CONTENT_DIR;
- } else
- xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+ /* Initialize starting value of xflags and adjust counts. */
+ if (S_ISREG(file->mode))
+ xflags = 0;
+ else if (S_ISDIR(file->mode)) {
+ stats.num_dirs++;
+ if (protocol_version >= 30) {
+ if (file->flags & FLAG_CONTENT_DIR)
+ xflags = file->flags & FLAG_TOP_DIR;
+ else if (file->flags & FLAG_IMPLIED_DIR)
+ xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR;
+ else
+ xflags = XMIT_NO_CONTENT_DIR;
+ } else
+ xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+ } else {
+ if (S_ISLNK(file->mode))
+ stats.num_symlinks++;
+ else if (IS_DEVICE(file->mode))
+ stats.num_devices++;
+ else if (IS_SPECIAL(file->mode))
+ stats.num_specials++;
+ xflags = 0;
+ }
if (file->mode == mode)
xflags |= XMIT_SAME_MODE;
else
mode = file->mode;
- if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
+ if (preserve_devices && IS_DEVICE(mode)) {
if (protocol_version < 28) {
if (tmp_rdev == rdev)
xflags |= XMIT_SAME_RDEV_pre28;
if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
xflags |= XMIT_RDEV_MINOR_8_pre30;
}
+ } else if (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31) {
+ /* Special files don't need an rdev number, so just make
+ * the historical transmission of the value efficient. */
+ if (protocol_version < 28)
+ xflags |= XMIT_SAME_RDEV_pre28;
+ else {
+ rdev = MAKEDEV(major(rdev), 0);
+ xflags |= XMIT_SAME_RDEV_MAJOR;
+ if (protocol_version < 30)
+ xflags |= XMIT_RDEV_MINOR_8_pre30;
+ }
} else if (protocol_version < 28)
rdev = MAKEDEV(0, 0);
if (!preserve_uid || ((uid_t)F_OWNER(file) == uid && *lastname))
} else if (DEBUG_GTE(HLINK, 3)) {
rprintf(FINFO, "[%s] dev:inode for #%d is %s:%s\n",
who_am_i(), first_ndx + ndx,
- big_num(tmp_dev, 0), big_num(tmp_ino, 0));
+ big_num(tmp_dev), big_num(tmp_ino));
}
}
} else {
}
}
if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
+ || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) {
if (protocol_version < 28) {
if (!(xflags & XMIT_SAME_RDEV_pre28))
write_int(f, (int)rdev);
uid = F_OWNER(first);
if (preserve_gid)
gid = F_GROUP(first);
- if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
+ if (preserve_devices && IS_DEVICE(mode)) {
uint32 *devp = F_RDEV_P(first);
rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
if (!(xflags & XMIT_SAME_MODE))
mode = from_wire_mode(read_int(f));
- if (chmod_modes && !S_ISLNK(mode))
+ if (chmod_modes && !S_ISLNK(mode) && mode)
mode = tweak_mode(mode, chmod_modes);
if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
uid = (uid_t)read_varint(f);
if (xflags & XMIT_USER_NAME_FOLLOWS)
uid = recv_user_name(f, uid);
- else if (inc_recurse && am_root && !numeric_ids)
+ else if (inc_recurse && am_root && (!numeric_ids || usermap))
uid = match_uid(uid);
}
}
gid_flags = 0;
if (xflags & XMIT_GROUP_NAME_FOLLOWS)
gid = recv_group_name(f, gid, &gid_flags);
- else if (inc_recurse && (!am_root || !numeric_ids))
+ else if (inc_recurse && (!am_root || !numeric_ids || groupmap))
gid = match_gid(gid, &gid_flags);
}
}
if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
+ || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) {
if (protocol_version < 28) {
if (!(xflags & XMIT_SAME_RDEV_pre28))
rdev = (dev_t)read_int(f);
rdev_minor = read_int(f);
rdev = MAKEDEV(rdev_major, rdev_minor);
}
- extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ if (IS_DEVICE(mode))
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
file_length = 0;
} else if (protocol_version < 28)
rdev = MAKEDEV(0, 0);
}
}
- if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
+ if (preserve_devices && IS_DEVICE(mode)) {
uint32 *devp = F_RDEV_P(file);
DEV_MAJOR(devp) = major(rdev);
DEV_MINOR(devp) = minor(rdev);
if (sanitize_paths)
sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
- if (stp && S_ISDIR(stp->st_mode)) {
- st = *stp; /* Needed for "symlink/." with --relative. */
+ if (stp && (S_ISDIR(stp->st_mode) || stp->st_mode == 0)) {
+ /* This is needed to handle a "symlink/." with a --relative
+ * dir, or a request to delete a specific file. */
+ st = *stp;
*linkname = '\0'; /* make IBM code checker happy */
} else if (readlink_stat(thisname, &st, linkname) != 0) {
int save_errno = errno;
}
} else {
io_error |= IOERR_GENERAL;
- rsyserr(FERROR_XFER, save_errno, "readlink %s failed",
+ rsyserr(FERROR_XFER, save_errno, "readlink_stat(%s) failed",
full_fname(thisname));
}
return NULL;
+ } else if (st.st_mode == 0) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO, "skipping file with bogus (zero) st_mode: %s\n",
+ full_fname(thisname));
+ return NULL;
}
if (filter_level == NO_FILTERS)
#endif
#ifdef HAVE_STRUCT_STAT_ST_RDEV
- if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) {
+ if (IS_DEVICE(st.st_mode)) {
tmp_rdev = st.st_rdev;
st.st_size = 0;
- }
+ } else if (IS_SPECIAL(st.st_mode))
+ st.st_size = 0;
#endif
file->flags = flags;
else if (!pool)
F_DEPTH(file) = extra_len / EXTRA_LEN;
- /* 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 save_mode = file->mode;
- file->mode = S_IFDIR; /* Find a directory with our name. */
- if (flist_find(dir_flist, file) >= 0
- && x_stat(thisname, &st2, NULL) == 0 && S_ISDIR(st2.st_mode)) {
- file->modtime = st2.st_mtime;
- file->len32 = 0;
- file->mode = st2.st_mode;
- if (uid_ndx)
- F_OWNER(file) = st2.st_uid;
- if (gid_ndx)
- F_GROUP(file) = st2.st_gid;
- } else
- file->mode = save_mode;
- }
-
if (basename_len == 0+1) {
if (!pool)
unmake_file(file);
memcpy(F_SUM(file), tmp_sum, checksum_len);
if (unsort_ndx)
- F_NDX(file) = dir_count;
+ F_NDX(file) = stats.num_dirs;
return file;
}
if (!file)
return NULL;
- if (chmod_modes && !S_ISLNK(file->mode))
+ if (chmod_modes && !S_ISLNK(file->mode) && file->mode)
file->mode = tweak_mode(file->mode, chmod_modes);
if (f >= 0) {
#endif
#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
stat_x sx;
+ init_stat_x(&sx);
#endif
#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(file->mode)) {
symlink_name = F_SYMLINK(file);
symlink_len = strlen(symlink_name);
+ if (symlink_len == 0) {
+ io_error |= IOERR_GENERAL;
+ f_name(file, fbuf);
+ rprintf(FERROR_XFER,
+ "skipping symlink with 0-length value: %s\n",
+ full_fname(fbuf));
+ return NULL;
+ }
} else {
symlink_name = NULL;
symlink_len = 0;
#ifdef SUPPORT_ACLS
if (preserve_acls && !S_ISLNK(file->mode)) {
sx.st.st_mode = file->mode;
- sx.acc_acl = sx.def_acl = NULL;
if (get_acl(fname, &sx) < 0) {
io_error |= IOERR_GENERAL;
return NULL;
#endif
#ifdef SUPPORT_XATTRS
if (preserve_xattrs) {
- sx.xattr = NULL;
if (get_xattr(fname, &sx) < 0) {
io_error |= IOERR_GENERAL;
return NULL;
DIR_NEXT_SIBLING(dp) = -1;
}
+static void interpret_stat_error(const char *fname, int is_dir)
+{
+ if (errno == ENOENT) {
+ io_error |= IOERR_VANISHED;
+ rprintf(FWARNING, "%s has vanished: %s\n",
+ is_dir ? "directory" : "file", full_fname(fname));
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+ full_fname(fname));
+ }
+}
+
/* 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()
assert(flist != NULL);
if (!(d = opendir(fbuf))) {
+ if (errno == ENOENT) {
+ if (am_sender) /* Can abuse this for vanished error w/ENOENT: */
+ interpret_stat_error(fbuf, True);
+ return;
+ }
io_error |= IOERR_GENERAL;
rsyserr(FERROR_XFER, errno, "opendir %s failed", full_fname(fbuf));
return;
if (one_file_system) {
STRUCT_STAT st;
if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
- io_error |= IOERR_GENERAL;
- rsyserr(FERROR_XFER, errno, "link_stat %s failed",
- full_fname(fbuf));
+ interpret_stat_error(fbuf, True);
return;
}
filesystem_dev = st.st_dev;
if (name_type != NORMAL_NAME) {
STRUCT_STAT st;
if (link_stat(fbuf, &st, 1) != 0) {
- io_error |= IOERR_GENERAL;
- rsyserr(FERROR_XFER, errno, "link_stat %s failed",
- full_fname(fbuf));
+ interpret_stat_error(fbuf, True);
continue;
}
send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR | flags, ALL_FILTERS);
old_cnt += flist->used;
while (file_total - old_cnt < at_least) {
struct file_struct *file = dir_flist->sorted[send_dir_ndx];
- int dir_ndx, dstart = dir_count;
+ int dir_ndx, dstart = stats.num_dirs;
const char *pathname = F_PATHNAME(file);
int32 *dp;
dp = F_DIR_NODE_P(file);
}
- write_byte(f, 0);
+ if (protocol_version < 31 || io_error == save_io_error || ignore_errors)
+ write_byte(f, 0);
+ else {
+ write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
+ write_varint(f, io_error);
+ }
if (need_unsorted_flist) {
if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
flist_sort_and_clean(flist, 0);
- add_dirs_to_tree(send_dir_ndx, flist, dir_count - dstart);
+ add_dirs_to_tree(send_dir_ndx, flist, stats.num_dirs - dstart);
flist_done_allocating(flist);
file_total += flist->used;
}
finish:
- if (io_error != save_io_error && !ignore_errors)
+ if (io_error != save_io_error && protocol_version == 30 && !ignore_errors)
send_msg_int(MSG_IO_ERROR, io_error);
}
start_write = stats.total_written;
gettimeofday(&start_tv, NULL);
- if (!orig_dir)
- orig_dir = strdup(curr_dir);
-
if (relative_paths && protocol_version >= 30)
implied_dirs = 1; /* We send flagged implied dirs */
use_ff_fd = 1;
}
+ if (!orig_dir)
+ orig_dir = strdup(curr_dir);
+
while (1) {
char fbuf[MAXPATHLEN], *fn, name_type;
if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0
|| (name_type != DOTDIR_NAME && is_daemon_excluded(fbuf, S_ISDIR(st.st_mode)))
|| (relative_paths && path_is_daemon_excluded(fbuf, 1))) {
- io_error |= IOERR_GENERAL;
- rsyserr(FERROR_XFER, errno, "link_stat %s failed",
- full_fname(fbuf));
- continue;
+ if (errno != ENOENT || missing_args == 0) {
+ /* This is a transfer error, but inhibit deletion
+ * only if we might be omitting an existing file. */
+ if (errno != ENOENT)
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+ full_fname(fbuf));
+ continue;
+ } else if (missing_args == 1) {
+ /* Just ignore the arg. */
+ continue;
+ } else /* (missing_args == 2) */ {
+ /* Send the arg as a "missing" entry with
+ * mode 0, which tells the generator to delete it. */
+ memset(&st, 0, sizeof st);
+ }
}
/* A dot-dir should not be excluded! */
- if (name_type != DOTDIR_NAME
+ if (name_type != DOTDIR_NAME && st.st_mode != 0
&& is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS))
continue;
stats.flist_buildtime = 1;
start_tv = end_tv;
- write_byte(f, 0); /* Indicate end of file list */
+ /* Indicate end of file list */
+ if (protocol_version < 31 || io_error == 0 || ignore_errors)
+ write_byte(f, 0);
+ else {
+ write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
+ write_varint(f, io_error);
+ }
#ifdef SUPPORT_HARD_LINKS
if (preserve_hard_links && protocol_version >= 30 && !inc_recurse)
if (numeric_ids <= 0 && !inc_recurse)
send_id_list(f);
+ set_msg_fd_in(-1);
+
/* send the io_error flag */
if (protocol_version < 30)
write_int(f, ignore_errors ? 0 : io_error);
- else if (io_error && !ignore_errors)
+ else if (io_error && protocol_version == 30 && !ignore_errors)
send_msg_int(MSG_IO_ERROR, io_error);
if (disable_buffering)
if (inc_recurse) {
send_dir_depth = 1;
- add_dirs_to_tree(-1, flist, dir_count);
+ add_dirs_to_tree(-1, flist, stats.num_dirs);
if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0)
flist->parent_ndx = -1;
flist_done_allocating(flist);
* file-list to check if this is a 1-file xfer. */
send_extra_file_list(f, 1);
}
- }
+ } else
+ flist_eof = 1;
return flist;
}
else if (inc_recurse && INFO_GTE(FLIST, 1) && !am_server)
rprintf(FCLIENT, "receiving incremental file list\n");
rprintf(FLOG, "receiving file list\n");
+ if (usermap)
+ parse_name_map(usermap, True);
+ if (groupmap)
+ parse_name_map(groupmap, False);
}
start_read = stats.total_read;
while ((flags = read_byte(f)) != 0) {
struct file_struct *file;
- flist_expand(flist, 1);
-
if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
flags |= read_byte(f) << 8;
- file = recv_file_entry(flist, flags, f);
- if (inc_recurse && S_ISDIR(file->mode)) {
- flist_expand(dir_flist, 1);
- dir_flist->files[dir_flist->used++] = file;
+ if (flags == (XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST)) {
+ int err;
+ if (protocol_version < 31) {
+ rprintf(FERROR, "Invalid flist flag: %x\n", flags);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ err = read_varint(f);
+ if (!ignore_errors)
+ io_error |= err;
+ break;
}
+ flist_expand(flist, 1);
+ file = recv_file_entry(flist, flags, f);
+
+ if (S_ISREG(file->mode)) {
+ /* Already counted */
+ } else if (S_ISDIR(file->mode)) {
+ if (inc_recurse) {
+ flist_expand(dir_flist, 1);
+ dir_flist->files[dir_flist->used++] = file;
+ }
+ stats.num_dirs++;
+ } else if (S_ISLNK(file->mode))
+ stats.num_symlinks++;
+ else if (IS_DEVICE(file->mode))
+ stats.num_symlinks++;
+ else
+ stats.num_specials++;
+
flist->files[flist->used++] = file;
maybe_emit_filelist_progress(flist->used);
if (inc_recurse)
flist_done_allocating(flist);
- else if (f >= 0)
+ else if (f >= 0) {
recv_id_list(f, flist);
+ flist_eof = 1;
+ }
flist_sort_and_clean(flist, relative_paths);
if (protocol_version < 30) {
/* Recv the io_error flag */
- if (ignore_errors)
- read_int(f);
- else
- io_error |= read_int(f);
+ int err = read_int(f);
+ if (!ignore_errors)
+ io_error |= err;
} else if (inc_recurse && flist->ndx_start == 1) {
if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0)
flist->parent_ndx = -1;
return -1;
}
+/* Search for an identically-named item in the file list. Differs from
+ * flist_find in that an item that agrees with "f" in directory-ness is
+ * preferred but one that does not is still found. */
+int flist_find_ignore_dirness(struct file_list *flist, struct file_struct *f)
+{
+ mode_t save_mode;
+ int ndx;
+
+ /* First look for an item that agrees in directory-ness. */
+ ndx = flist_find(flist, f);
+ if (ndx >= 0)
+ return ndx;
+
+ /* Temporarily flip f->mode to look for an item of opposite
+ * directory-ness. */
+ save_mode = f->mode;
+ f->mode = S_ISDIR(f->mode) ? S_IFREG : S_IFDIR;
+ ndx = flist_find(flist, f);
+ f->mode = save_mode;
+ return ndx;
+}
+
/*
* Free up any resources a file_struct has allocated
* and clear the file.
"[%s] i=%d %s %s%s%s%s mode=0%o len=%s%s%s flags=%x\n",
who, i + flist->ndx_start,
root, dir, slash, name, trail,
- (int)file->mode, big_num(F_LENGTH(file), 0),
+ (int)file->mode, comma_num(F_LENGTH(file)),
uidbuf, gidbuf, file->flags);
}
}
recurse = 0;
xfer_dirs = 1;
- send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, 0);
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, FLAG_CONTENT_DIR);
xfer_dirs = save_xfer_dirs;
recurse = save_recurse;
if (INFO_GTE(PROGRESS, 1))
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff