/*
- * $Id: filedir.c,v 1.72 2010-02-19 10:51:59 franklahm Exp $
+ * $Id: filedir.c,v 1.73 2010-03-12 15:16:49 franklahm Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
/* -------------------------
move and rename sdir:oldname to curdir:newname in volume vol
-
special care is needed for lock
*/
-static int moveandrename(const struct vol *vol, struct dir *sdir, char *oldname, char *newname, int isdir)
+static int moveandrename(const struct vol *vol,
+ struct dir *sdir,
+ int sdir_fd,
+ char *oldname,
+ char *newname,
+ int isdir)
{
char *p;
char *upath;
struct adouble ad;
struct adouble *adp;
struct ofork *opened = NULL;
- struct path path;
- cnid_t id;
+ struct path path;
+ cnid_t id;
+ int cwd_fd;
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
adp = &ad;
adflags = 0;
-
+
if (!isdir) {
- p = mtoupath(vol, oldname, sdir->d_did, utf8_encoding());
- if (!p) {
+ if ((p = mtoupath(vol, oldname, sdir->d_did, utf8_encoding())) == NULL)
return AFPERR_PARAM; /* can't convert */
- }
+
+#ifndef HAVE_RENAMEAT
+ /* Need full path */
id = cnid_get(vol->v_cdb, sdir->d_did, p, strlen(p));
p = ctoupath( vol, sdir, oldname );
- if (!p) {
+ if (!p)
return AFPERR_PARAM; /* pathname too long */
- }
+#endif /* HAVE_RENAMEAT */
+
path.st_valid = 0;
path.u_name = p;
- if ((opened = of_findname(&path))) {
+#ifdef HAVE_RENAMEAT
+ opened = of_findnameat(sdir_fd, &path);
+#else
+ opened = of_findname(&path);
+#endif /* HAVE_RENAMEAT */
+ if (opened) {
/* reuse struct adouble so it won't break locks */
adp = opened->of_ad;
}
- }
- else {
+ } else {
id = sdir->d_did; /* we already have the CNID */
p = ctoupath( vol, sdir->d_parent, oldname );
if (!p) {
}
adflags = ADFLAGS_DIR;
}
+
+
/*
- * p now points to the full pathname of the source fs object.
- *
- * we are in the dest folder so we need to use p for ad_open
- */
-
+ * p now points to either
+ * a) full pathname of the source fs object (if renameat is not available)
+ * b) the oldname (renameat is available)
+ * we are in the dest folder so we need to use
+ * a) p for ad_open
+ * b) fchdir sdir_fd before eg ad_open or use *at functions where appropiate
+ */
+
+ if (sdir_fd != -1) {
+ if ((cwd_fd = open(".", O_RDONLY)) == -1)
+ return AFPERR_MISC;
+ if (fchdir(sdir_fd) != 0)
+ return AFPERR_MISC;
+ }
if (!ad_metadata(p, adflags, adp)) {
u_int16_t bshort;
if ((bshort & htons(ATTRBIT_NORENAME)))
return(AFPERR_OLOCK);
}
+ if (sdir_fd != -1) {
+ if (fchdir(cwd_fd) != 0) {
+ LOG(log_error, logtype_afpd, "moveandrename: %s", strerror(errno) );
+ return AFPERR_MISC;
+ }
+ }
if (NULL == (upath = mtoupath(vol, newname, curdir->d_did, utf8_encoding()))){
return AFPERR_PARAM;
if (of_findname(&path)) {
rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
} else {
- rc = renamefile(vol, p, upath, newname, adp );
+ rc = renamefile(vol, sdir_fd, p, upath, newname, adp );
if (rc == AFP_OK)
of_rename(vol, opened, sdir, oldname, curdir, newname);
}
} else {
- rc = renamedir(vol, p, upath, sdir, curdir, newname);
+ rc = renamedir(vol, sdir_fd, p, upath, sdir, curdir, newname);
}
if ( rc == AFP_OK && id ) {
/* renaming may have moved the file/dir across a filesystem */
return AFP_OK; /* newname == oldname same dir */
}
- rc = moveandrename(vol, sdir, oldname, newname, isdir);
-
+ rc = moveandrename(vol, sdir, -1, oldname, newname, isdir);
if ( rc == AFP_OK ) {
setvoltime(obj, vol );
}
rc = AFPERR_NOOBJ;
}
else {
- rc = deletefile(vol, upath, 1);
+ rc = deletefile(vol, -1, upath, 1);
}
}
if ( rc == AFP_OK ) {
#ifdef DROPKLUDGE
int retvalue;
#endif /* DROPKLUDGE */
+ int sdir_fd = -1;
+
*rbuflen = 0;
ibuf += 2;
if ( *path->m_name != '\0' ) {
if (isdir) {
sdir = path->d_dir;
- }
+ }
strcpy(oldname, path->m_name); /* an extra copy for of_rename */
} else {
strcpy(oldname, sdir->d_m_name);
}
+#ifdef HAVE_RENAMEAT
+ if ((sdir_fd = open(".", O_RDONLY)) == -1)
+ return AFPERR_MISC;
+#endif
+
/* get the destination directory */
if (NULL == ( ddir = dirlookup( vol, did )) ) {
- return afp_errno; /* was AFPERR_PARAM */
+ rc = afp_errno; /* was AFPERR_PARAM */
+ goto exit;
}
if (NULL == ( path = cname( vol, ddir, &ibuf ))) {
- return( AFPERR_NOOBJ );
+ rc = AFPERR_NOOBJ;
+ goto exit;
}
pdid = curdir->d_did;
if ( *path->m_name != '\0' ) {
- return path_error(path, AFPERR_NOOBJ);
+ rc = path_error(path, AFPERR_NOOBJ);
+ goto exit;
}
/* one more place where we know about path type */
if ((plen = copy_path_name(vol, newname, ibuf)) < 0) {
- return( AFPERR_PARAM );
+ rc = AFPERR_PARAM;
+ goto exit;
}
if (!plen) {
strcpy(newname, oldname);
}
- rc = moveandrename(vol, sdir, oldname, newname, isdir);
+ /* This does the work */
+ rc = moveandrename(vol, sdir, sdir_fd, oldname, newname, isdir);
if ( rc == AFP_OK ) {
char *upath = mtoupath(vol, newname, pdid, utf8_encoding());
if (NULL == upath) {
- return AFPERR_PARAM;
+ rc = AFPERR_PARAM;
+ goto exit;
}
curdir->offcnt++;
sdir->offcnt--;
if (vol->v_flags & AFPVOL_DROPBOX) {
/* FIXME did is not always the source id */
if ((retvalue=matchfile2dirperms (upath, vol, did)) != AFP_OK) {
- return retvalue;
+ rc = retvalue;
+ goto exit;
}
}
else
setvoltime(obj, vol );
}
+exit:
+#ifdef HAVE_RENAMEAT
+ if (sdir_fd != -1)
+ close(sdir_fd);
+#endif
+
return( rc );
}
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