*
* Copyright (C) 1996 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison
+ * Copyright (C) 2003-2007 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
extern int verbose;
extern int dry_run;
+extern int preserve_acls;
+extern int preserve_xattrs;
extern int preserve_perms;
extern int preserve_executability;
extern int preserve_times;
extern int protocol_version;
extern int preserve_uid;
extern int preserve_gid;
-extern int incremental;
+extern int inc_recurse;
extern int inplace;
extern int flist_eof;
extern int keep_dirlinks;
extern int make_backups;
-extern mode_t orig_umask;
extern struct file_list *cur_flist, *first_flist, *dir_flist;
extern struct chmod_mode_struct *daemon_chmod_modes;
}
#endif
-/* This is used by sender.c with a valid f_out, and by receive.c with
- * f_out = -1. */
-int read_ndx_and_attrs(int f_in, int f_out, int *iflag_ptr,
- uchar *type_ptr, char *buf, int *len_ptr)
+int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
+ char *buf, int *len_ptr)
{
int len, iflags = 0;
struct file_list *flist;
uchar fnamecmp_type = FNAMECMP_FNAME;
- int verbose_save, ndx;
+ int ndx;
read_loop:
while (1) {
break;
if (ndx == NDX_DONE)
return ndx;
- if (!incremental || am_sender)
+ if (!inc_recurse || am_sender)
goto invalid_ndx;
if (ndx == NDX_FLIST_EOF) {
flist_eof = 1;
NDX_FLIST_OFFSET - dir_flist->count);
exit_cleanup(RERR_PROTOCOL);
}
- verbose_save = verbose;
- verbose = 0; /* TODO allow verbose messages? */
/* Send everything read from f_in to msg_fd_out. */
send_msg_int(MSG_FLIST, ndx);
flist = recv_file_list(f_in);
flist->parent_ndx = ndx;
stop_flist_forward();
-
- verbose = verbose_save;
}
iflags = protocol_version >= 29 ? read_shortint(f_in)
ndx, who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
- } else if (f_out >= 0) {
- write_ndx_and_attrs(f_out, ndx, iflags,
- fnamecmp_type, buf, len);
}
*iflag_ptr = iflags;
/* This is only called when we aren't preserving permissions. Figure out what
* the permissions should be and return them merged back into the mode. */
-mode_t dest_mode(mode_t flist_mode, mode_t stat_mode, int exists)
+mode_t dest_mode(mode_t flist_mode, mode_t stat_mode, int dflt_perms,
+ int exists)
{
int new_mode;
/* If the file already exists, we'll return the local permissions,
new_mode |= (new_mode & 0444) >> 2;
}
} else {
- /* Apply the umask and turn off special permissions. */
- new_mode = flist_mode & (~CHMOD_BITS | (ACCESSPERMS & ~orig_umask));
+ /* Apply destination default permissions and turn
+ * off special permissions. */
+ new_mode = flist_mode & (~CHMOD_BITS | dflt_perms);
}
return new_mode;
}
-int set_file_attrs(char *fname, struct file_struct *file, STRUCT_STAT *st,
- int flags)
+int set_file_attrs(const char *fname, struct file_struct *file, statx *sxp,
+ const char *fnamecmp, int flags)
{
int updated = 0;
- STRUCT_STAT st2;
+ statx sx2;
int change_uid, change_gid;
mode_t new_mode = file->mode;
- if (!st) {
+ if (!sxp) {
if (dry_run)
return 1;
- if (link_stat(fname, &st2, 0) < 0) {
+ if (link_stat(fname, &sx2.st, 0) < 0) {
rsyserr(FERROR, errno, "stat %s failed",
full_fname(fname));
return 0;
}
- st = &st2;
+#ifdef SUPPORT_ACLS
+ sx2.acc_acl = sx2.def_acl = NULL;
+#endif
+#ifdef SUPPORT_XATTRS
+ sx2.xattr = NULL;
+#endif
if (!preserve_perms && S_ISDIR(new_mode)
- && st->st_mode & S_ISGID) {
+ && sx2.st.st_mode & S_ISGID) {
/* We just created this directory and its setgid
* bit is on, so make sure it stays on. */
new_mode |= S_ISGID;
}
+ sxp = &sx2;
}
- if (!preserve_times || (S_ISDIR(st->st_mode) && omit_dir_times))
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode) && !ACL_READY(*sxp))
+ get_acl(fname, sxp);
+#endif
+
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs && fnamecmp)
+ set_xattr(fname, file, fnamecmp, sxp);
+ if (am_root < 0)
+ set_stat_xattr(fname, file);
+#endif
+
+ if (!preserve_times || (S_ISDIR(sxp->st.st_mode) && omit_dir_times))
flags |= ATTRS_SKIP_MTIME;
if (!(flags & ATTRS_SKIP_MTIME)
- && cmp_time(st->st_mtime, file->modtime) != 0) {
- int ret = set_modtime(fname, file->modtime, st->st_mode);
+ && cmp_time(sxp->st.st_mtime, file->modtime) != 0) {
+ int ret = set_modtime(fname, file->modtime, sxp->st.st_mode);
if (ret < 0) {
rsyserr(FERROR, errno, "failed to set times on %s",
full_fname(fname));
- return 0;
+ goto cleanup;
}
if (ret == 0) /* ret == 1 if symlink could not be set */
updated = 1;
}
- change_uid = am_root && preserve_uid && st->st_uid != F_UID(file);
+ change_uid = am_root && preserve_uid && sxp->st.st_uid != F_UID(file);
change_gid = preserve_gid && F_GID(file) != GID_NONE
- && st->st_gid != F_GID(file);
+ && sxp->st.st_gid != F_GID(file);
#if !defined HAVE_LCHOWN && !defined CHOWN_MODIFIES_SYMLINK
- if (S_ISLNK(st->st_mode))
+ if (S_ISLNK(sxp->st.st_mode))
;
else
#endif
rprintf(FINFO,
"set uid of %s from %ld to %ld\n",
fname,
- (long)st->st_uid, (long)F_UID(file));
+ (long)sxp->st.st_uid, (long)F_UID(file));
}
if (change_gid) {
rprintf(FINFO,
"set gid of %s from %ld to %ld\n",
fname,
- (long)st->st_gid, (long)F_GID(file));
+ (long)sxp->st.st_gid, (long)F_GID(file));
}
}
- if (do_lchown(fname,
- change_uid ? F_UID(file) : st->st_uid,
- change_gid ? F_GID(file) : st->st_gid) != 0) {
+ if (am_root < 0) {
+ ;
+ } else if (do_lchown(fname,
+ change_uid ? F_UID(file) : sxp->st.st_uid,
+ change_gid ? F_GID(file) : sxp->st.st_gid) != 0) {
/* shouldn't have attempted to change uid or gid
* unless have the privilege */
rsyserr(FERROR, errno, "%s %s failed",
change_uid ? "chown" : "chgrp",
full_fname(fname));
- return 0;
- }
+ goto cleanup;
+ } else
/* a lchown had been done - we have to re-stat if the
* destination had the setuid or setgid bits set due
* to the side effect of the chown call */
- if (st->st_mode & (S_ISUID | S_ISGID)) {
- link_stat(fname, st,
- keep_dirlinks && S_ISDIR(st->st_mode));
+ if (sxp->st.st_mode & (S_ISUID | S_ISGID)) {
+ link_stat(fname, &sxp->st,
+ keep_dirlinks && S_ISDIR(sxp->st.st_mode));
}
updated = 1;
}
if (daemon_chmod_modes && !S_ISLNK(new_mode))
new_mode = tweak_mode(new_mode, daemon_chmod_modes);
+
+#ifdef SUPPORT_ACLS
+ /* It's OK to call set_acl() now, even for a dir, as the generator
+ * will enable owner-writability using chmod, if necessary.
+ *
+ * If set_acl() changes permission bits in the process of setting
+ * an access ACL, it changes sxp->st.st_mode so we know whether we
+ * need to chmod(). */
+ if (preserve_acls && !S_ISLNK(new_mode) && set_acl(fname, file, sxp) == 0)
+ updated = 1;
+#endif
+
#ifdef HAVE_CHMOD
- if (!BITS_EQUAL(st->st_mode, new_mode, CHMOD_BITS)) {
- int ret = do_chmod(fname, new_mode);
+ if (!BITS_EQUAL(sxp->st.st_mode, new_mode, CHMOD_BITS)) {
+ int ret = am_root < 0 ? 0 : do_chmod(fname, new_mode);
if (ret < 0) {
rsyserr(FERROR, errno,
"failed to set permissions on %s",
full_fname(fname));
- return 0;
+ goto cleanup;
}
if (ret == 0) /* ret == 1 if symlink could not be set */
updated = 1;
else
rprintf(FCLIENT, "%s is uptodate\n", fname);
}
+ cleanup:
+ if (sxp == &sx2) {
+#ifdef SUPPORT_ACLS
+ if (preserve_acls)
+ free_acl(&sx2);
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ free_xattr(&sx2);
+#endif
+ }
return updated;
}
* attributes (e.g. permissions, ownership, etc.). If partialptr is not
* NULL and the robust_rename() call is forced to copy the temp file, we
* stage the file into the partial-dir and then rename it into place. */
-void finish_transfer(char *fname, char *fnametmp, char *partialptr,
+void finish_transfer(const char *fname, const char *fnametmp,
+ const char *fnamecmp, const char *partialptr,
struct file_struct *file, int ok_to_set_time,
int overwriting_basis)
{
return;
/* Change permissions before putting the file into place. */
- set_file_attrs(fnametmp, file, NULL,
+ set_file_attrs(fnametmp, file, NULL, fnamecmp,
ok_to_set_time ? 0 : ATTRS_SKIP_MTIME);
/* move tmp file over real file */
fnametmp = partialptr ? partialptr : fname;
do_set_file_attrs:
- set_file_attrs(fnametmp, file, NULL,
+ set_file_attrs(fnametmp, file, NULL, fnamecmp,
ok_to_set_time ? 0 : ATTRS_SKIP_MTIME);
if (partialptr) {
{
struct file_list *flist = cur_flist;
- if (!flist)
+ if (!flist && !(flist = first_flist))
return NULL;
while (ndx < flist->ndx_start) {
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