/*
- * $Id: filedir.c,v 1.69 2010-01-21 14:14:49 didg Exp $
- *
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#include <atalk/cnid.h>
#include <atalk/logger.h>
#include <atalk/unix.h>
+#include <atalk/bstrlib.h>
+#include <atalk/bstradd.h>
+#include <atalk/acl.h>
+#include <atalk/globals.h>
#include "directory.h"
+#include "dircache.h"
#include "desktop.h"
#include "volume.h"
#include "fork.h"
#include "file.h"
-#include "globals.h"
#include "filedir.h"
#include "unix.h"
#ifdef DROPKLUDGE
int matchfile2dirperms(
/* Since it's kinda' big; I decided against an
-inline function */
- char *upath,
+ inline function */
+ char *upath,
struct vol *vol,
- int did)
+ int did)
/* The below code changes the way file ownership is determined in the name of
-fixing dropboxes. It has known security problem. See the netatalk FAQ for
-more information */
+ fixing dropboxes. It has known security problem. See the netatalk FAQ for
+ more information */
{
- struct stat st, sb;
- struct dir *dir;
- char *adpath;
+ struct stat st, sb;
+ struct dir *dir;
+ char *adpath;
uid_t uid;
int ret = AFP_OK;
#ifdef DEBUG
LOG(log_debug9, logtype_afpd, "begin matchfile2dirperms:");
-#endif
+#endif
if (stat(upath, &st ) < 0) {
LOG(log_error, logtype_afpd, "Could not stat %s: %s", upath, strerror(errno));
upath, strerror(errno));
ret = AFPERR_ACCESS;
}
- else if (chmod(upath,(st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0)
+ else if ((!S_ISLNK(st->st_mode)) && (chmod(upath,(st.st_mode&~default_options.umask)| S_IRGRP| S_IROTH) < 0))
{
LOG(log_error, logtype_afpd,
"matchfile2dirperms(%s): Error adding file read permissions: %s",
adpath, strerror(errno));
ret = AFPERR_ACCESS;
}
- seteuid(uid);
+ seteuid(uid);
}
} /* end else if stat success */
int afp_getfildirparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
- struct stat *st;
- struct vol *vol;
- struct dir *dir;
+ struct stat *st;
+ struct vol *vol;
+ struct dir *dir;
u_int32_t did;
- int ret;
- size_t buflen;
- u_int16_t fbitmap, dbitmap, vid;
+ int ret;
+ size_t buflen;
+ u_int16_t fbitmap, dbitmap, vid;
struct path *s_path;
*rbuflen = 0;
if (NULL == ( vol = getvolbyvid( vid )) ) {
/* was AFPERR_PARAM but it helps OS 10.3 when a volume has been removed
* from the list.
- */
+ */
return( AFPERR_ACCESS );
}
ibuf += sizeof( dbitmap );
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
- LOG(log_debug, logtype_afpd, "getfildirparams(vid:%u, did:%u, name:'%s', f/d:%04x/%04x) {cwd: %s}",
- ntohs(vid), ntohl(dir->d_did), s_path->u_name, fbitmap, dbitmap, getcwdpath());
+ LOG(log_debug, logtype_afpd, "getfildirparams(vid:%u, did:%u, f/d:%04x/%04x) {cwdid:%u, cwd: %s, name:'%s'}",
+ ntohs(vid), ntohl(dir->d_did), fbitmap, dbitmap,
+ ntohl(curdir->d_did), cfrombstr(curdir->d_fullpath), s_path->u_name);
st = &s_path->st;
if (!s_path->st_valid) {
of_statdir(vol, s_path);
}
if ( s_path->st_errno != 0 ) {
- return( AFPERR_NOOBJ );
+ if (afp_errno != AFPERR_ACCESS) {
+ return( AFPERR_NOOBJ );
+ }
}
if (S_ISDIR(st->st_mode)) {
if (dbitmap) {
dir = s_path->d_dir;
- if (!dir)
+ if (!dir)
return AFPERR_NOOBJ;
ret = getdirparams(vol, dbitmap, s_path, dir,
- rbuf + 3 * sizeof( u_int16_t ), &buflen );
+ rbuf + 3 * sizeof( u_int16_t ), &buflen );
if (ret != AFP_OK )
return( ret );
}
/* this is a directory */
*(rbuf + 2 * sizeof( u_int16_t )) = (char) FILDIRBIT_ISDIR;
} else {
- if (fbitmap && AFP_OK != (ret = getfilparams(vol, fbitmap, s_path, curdir,
- rbuf + 3 * sizeof( u_int16_t ), &buflen )) ) {
+ if (fbitmap && AFP_OK != (ret = getfilparams(vol, fbitmap, s_path, curdir,
+ rbuf + 3 * sizeof( u_int16_t ), &buflen )) ) {
return( ret );
}
/* this is a file */
int afp_setfildirparams(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
- struct stat *st;
- struct vol *vol;
- struct dir *dir;
+ struct stat *st;
+ struct vol *vol;
+ struct dir *dir;
struct path *path;
- u_int16_t vid, bitmap;
- int did, rc;
+ u_int16_t vid, bitmap;
+ int did, rc;
*rbuflen = 0;
ibuf += 2;
ibuf += sizeof( did);
if (NULL == ( dir = dirlookup( vol, did )) ) {
- return afp_errno;
+ return afp_errno;
}
memcpy( &bitmap, ibuf, sizeof( bitmap ));
ibuf += sizeof( bitmap );
if (NULL == ( path = cname( vol, dir, &ibuf ))) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
st = &path->st;
}
if ( path->st_errno != 0 ) {
- return( AFPERR_NOOBJ );
+ if (afp_errno != AFPERR_ACCESS)
+ return( AFPERR_NOOBJ );
}
/*
* If ibuf is odd, make it even.
return( rc );
}
-/* --------------------------------------------
+/* --------------------------------------------
Factorise some checks on a pathname
*/
int check_name(const struct vol *vol, char *name)
/* -------------------------
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 *oldunixname = NULL;
char *upath;
int rc;
struct stat *st, nst;
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 = -1;
+
+ LOG(log_debug, logtype_afpd,
+ "moveandrename: [\"%s\"/\"%s\"] -> \"%s\"",
+ cfrombstr(sdir->d_u_name), oldname, newname);
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 ((oldunixname = strdup(mtoupath(vol, oldname, sdir->d_did, utf8_encoding()))) == NULL)
return AFPERR_PARAM; /* can't convert */
- }
- id = cnid_get(vol->v_cdb, sdir->d_did, p, strlen(p));
- p = ctoupath( vol, sdir, oldname );
- if (!p) {
+ id = cnid_get(vol->v_cdb, sdir->d_did, oldunixname, strlen(oldunixname));
+
+#ifndef HAVE_ATFUNCS
+ /* Need full path */
+ free(oldunixname);
+ if ((oldunixname = strdup(ctoupath(vol, sdir, oldname))) == NULL)
return AFPERR_PARAM; /* pathname too long */
- }
+#endif /* HAVE_ATFUNCS */
+
path.st_valid = 0;
- path.u_name = p;
- if ((opened = of_findname(&path))) {
+ path.u_name = oldunixname;
+
+#ifdef HAVE_ATFUNCS
+ opened = of_findnameat(sdir_fd, &path);
+#else
+ opened = of_findname(&path);
+#endif /* HAVE_ATFUNCS */
+
+ 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) {
+ if ((oldunixname = strdup(ctoupath( vol, dirlookup(vol, sdir->d_pdid), oldname))) == NULL)
return AFPERR_PARAM;
- }
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
- */
-
- if (!ad_metadata(p, adflags, adp)) {
+ * oldunixname 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) oldunixname 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) {
+ rc = AFPERR_MISC;
+ goto exit;
+ }
+ }
+ if (!ad_metadata(oldunixname, adflags, adp)) {
u_int16_t bshort;
ad_getattr(adp, &bshort);
ad_close_metadata( adp);
- if ((bshort & htons(ATTRBIT_NORENAME)))
- return(AFPERR_OLOCK);
+ if ((bshort & htons(ATTRBIT_NORENAME))) {
+ rc = AFPERR_OLOCK;
+ goto exit;
+ }
+ }
+ if (sdir_fd != -1) {
+ if (fchdir(cwd_fd) != 0) {
+ LOG(log_error, logtype_afpd, "moveandrename: %s", strerror(errno) );
+ rc = AFPERR_MISC;
+ goto exit;
+ }
}
if (NULL == (upath = mtoupath(vol, newname, curdir->d_did, utf8_encoding()))){
- return AFPERR_PARAM;
+ rc = AFPERR_PARAM;
+ goto exit;
}
path.u_name = upath;
- st = &path.st;
+ st = &path.st;
if (0 != (rc = check_name(vol, upath))) {
- return rc;
+ goto exit;
}
/* source == destination. we just silently accept this. */
- if ((!isdir && curdir == sdir) || (isdir && curdir == sdir->d_parent)) {
- if (strcmp(oldname, newname) == 0)
- return AFP_OK;
+ if ((!isdir && curdir == sdir) || (isdir && curdir->d_did == sdir->d_pdid)) {
+ if (strcmp(oldname, newname) == 0) {
+ rc = AFP_OK;
+ goto exit;
+ }
if (stat(upath, st) == 0 || caseenumerate(vol, &path, curdir) == 0) {
- if (!stat(p, &nst) && !(nst.st_dev == st->st_dev && nst.st_ino == st->st_ino) ) {
+ if (!stat(oldunixname, &nst) && !(nst.st_dev == st->st_dev && nst.st_ino == st->st_ino) ) {
/* not the same file */
- return AFPERR_EXIST;
+ rc = AFPERR_EXIST;
+ goto exit;
}
errno = 0;
}
- } else if (stat(upath, st ) == 0 || caseenumerate(vol, &path, curdir) == 0)
- return AFPERR_EXIST;
+ } else if (stat(upath, st ) == 0 || caseenumerate(vol, &path, curdir) == 0) {
+ rc = AFPERR_EXIST;
+ goto exit;
+ }
if ( !isdir ) {
path.st_valid = 1;
if (of_findname(&path)) {
rc = AFPERR_EXIST; /* was AFPERR_BUSY; */
} else {
- rc = renamefile(vol, p, upath, newname, adp );
+ rc = renamefile(vol, sdir_fd, oldunixname, 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, oldunixname, upath, sdir, curdir, newname);
}
if ( rc == AFP_OK && id ) {
/* renaming may have moved the file/dir across a filesystem */
- if (stat(upath, st) < 0)
- return AFPERR_MISC;
+ if (stat(upath, st) < 0) {
+ rc = AFPERR_MISC;
+ goto exit;
+ }
+
+ /* Remove it from the cache */
+ struct dir *cacheddir = dircache_search_by_did(vol, id);
+ if (cacheddir) {
+ LOG(log_warning, logtype_afpd,"Still cached: \"%s/%s\"", getcwdpath(), upath);
+ (void)dir_remove(vol, cacheddir);
+ }
+
+ /* Fixup adouble info */
+ if (!ad_metadata(upath, adflags, adp)) {
+ ad_setid(adp, st->st_dev, st->st_ino, id, curdir->d_did, vol->v_stamp);
+ ad_flush(adp);
+ ad_close_metadata(adp);
+ }
/* fix up the catalog entry */
cnid_update(vol->v_cdb, id, st, curdir->d_did, upath, strlen(upath));
}
+exit:
+ if (cwd_fd != -1)
+ close(cwd_fd);
+ if (oldunixname)
+ free(oldunixname);
return rc;
}
/* -------------------------------------------- */
int afp_rename(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
- struct vol *vol;
- struct dir *sdir;
+ struct vol *vol;
+ struct dir *sdir;
char *oldname, *newname;
struct path *path;
- u_int32_t did;
+ u_int32_t did;
int plen;
- u_int16_t vid;
+ u_int16_t vid;
int isdir = 0;
int rc;
memcpy( &did, ibuf, sizeof( did ));
ibuf += sizeof( did );
if (NULL == ( sdir = dirlookup( vol, did )) ) {
- return afp_errno;
+ return afp_errno;
}
/* source pathname */
if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
sdir = curdir;
}
}
else {
- if ( sdir->d_parent == NULL ) { /* root directory */
+ if ( sdir->d_did == DIRDID_ROOT ) { /* root directory */
return( AFPERR_NORENAME );
}
/* move to destination dir */
- if ( movecwd( vol, sdir->d_parent ) < 0 ) {
+ if ( movecwd( vol, dirlookup(vol, sdir->d_pdid) ) < 0 ) {
return afp_errno;
}
- strcpy(oldname, sdir->d_m_name);
+ memcpy(oldname, cfrombstr(sdir->d_m_name), blength(sdir->d_m_name) +1);
}
/* another place where we know about the path type */
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 );
}
/* ------------------------------- */
int afp_delete(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
- struct vol *vol;
- struct dir *dir;
+ struct vol *vol;
+ struct dir *dir;
struct path *s_path;
- char *upath;
- int did, rc;
- u_int16_t vid;
+ char *upath;
+ int did, rc;
+ u_int16_t vid;
*rbuflen = 0;
ibuf += 2;
memcpy( &did, ibuf, sizeof( did ));
ibuf += sizeof( int );
+
if (NULL == ( dir = dirlookup( vol, did )) ) {
- return afp_errno;
+ return afp_errno;
}
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
upath = s_path->u_name;
if ( path_isadir( s_path) ) {
- if (*s_path->m_name != '\0') {
- rc = AFPERR_ACCESS;
- }
- else {
+ if (*s_path->m_name != '\0' || curdir->d_did == DIRDID_ROOT)
+ rc = AFPERR_ACCESS;
+ else
rc = deletecurdir( vol);
- }
} else if (of_findname(s_path)) {
rc = AFPERR_BUSY;
} else {
rc = AFPERR_NOOBJ;
}
else {
- rc = deletefile(vol, upath, 1);
+ rc = deletefile(vol, -1, upath, 1);
+
+ struct dir *cachedfile;
+ if ((cachedfile = dircache_search_by_name(vol, dir, upath, strlen(upath)))) {
+ dircache_remove(vol, cachedfile, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
+ dir_free(cachedfile);
+ }
}
}
if ( rc == AFP_OK ) {
- curdir->offcnt--;
+ curdir->d_offcnt--;
setvoltime(obj, vol );
}
/* ------------------------ */
char *absupath(const struct vol *vol, struct dir *dir, char *u)
{
- struct dir *d;
- static char path[ MAXPATHLEN + 1];
- char *p;
- int len;
+ static char pathbuf[MAXPATHLEN + 1];
+ bstring path;
- if (u == NULL)
+ if (u == NULL || dir == NULL || vol == NULL)
return NULL;
-
- p = path + sizeof( path ) - 1;
- *p = '\0';
- len = strlen( u );
- p -= len;
- memcpy( p, u, len );
- if (dir) for ( d = dir; d->d_parent; d = d->d_parent ) {
- u = d->d_u_name;
- len = strlen( u );
- if (p -len -1 < path) {
- /* FIXME
- rather rare so LOG error and/or client message ?
- */
- return NULL;
- }
- *--p = '/';
- p -= len;
- memcpy( p, u, len );
- }
- len = strlen( vol->v_path );
- if (p -len -1 < path) {
+
+ if ((path = bstrcpy(dir->d_fullpath)) == NULL)
return NULL;
- }
- *--p = '/';
- p -= len;
- memcpy( p, vol->v_path, len );
+ if (bcatcstr(path, "/") != BSTR_OK)
+ return NULL;
+ if (bcatcstr(path, u) != BSTR_OK)
+ return NULL;
+ if (path->slen > MAXPATHLEN)
+ return NULL;
+
+ LOG(log_debug, logtype_afpd, "absupath: %s", cfrombstr(path));
- return( p );
+ strncpy(pathbuf, cfrombstr(path), blength(path) + 1);
+ bdestroy(path);
+
+ return(pathbuf);
}
-/* ------------------------
- * FIXME dir could be NULL
-*/
char *ctoupath(const struct vol *vol, struct dir *dir, char *name)
{
+ if (vol == NULL || dir == NULL || name == NULL)
+ return NULL;
return absupath(vol, dir, mtoupath(vol, name, dir->d_did, utf8_encoding()));
}
/* ------------------------- */
int afp_moveandrename(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
- struct vol *vol;
- struct dir *sdir, *ddir;
+ struct vol *vol;
+ struct dir *sdir, *ddir;
int isdir;
- char *oldname, *newname;
+ char *oldname, *newname;
struct path *path;
- int did;
- int pdid;
+ int did;
+ int pdid;
int plen;
- u_int16_t vid;
+ u_int16_t vid;
int rc;
#ifdef DROPKLUDGE
- int retvalue;
+ int retvalue;
#endif /* DROPKLUDGE */
+ int sdir_fd = -1;
+
*rbuflen = 0;
ibuf += 2;
/* source pathname */
if (NULL == ( path = cname( vol, sdir, &ibuf )) ) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
sdir = curdir;
newname = obj->newtmp;
oldname = obj->oldtmp;
-
+
isdir = path_isadir(path);
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);
+ memcpy(oldname, cfrombstr(sdir->d_m_name), blength(sdir->d_m_name) + 1);
}
+#ifdef HAVE_ATFUNCS
+ 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 */
+ LOG(log_debug, logtype_afpd, "afp_move(oldname:'%s', newname:'%s', isdir:%u)",
+ oldname, newname, isdir);
+ 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--;
+ curdir->d_offcnt++;
+ sdir->d_offcnt--;
#ifdef DROPKLUDGE
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_ATFUNCS
+ if (sdir_fd != -1)
+ close(sdir_fd);
+#endif
+
return( rc );
}
* otherwise, 0 is returned.
*/
{
- int i; /* index to veto_str */
- int j; /* index to path */
+ int i; /* index to veto_str */
+ int j; /* index to path */
if ((veto_str == NULL) || (path == NULL))
return 0;
} else {
if (veto_str[i] != path[j]) {
while ((veto_str[i] != '/')
- && (veto_str[i] != '\0'))
+ && (veto_str[i] != '\0'))
i++;
j = 0;
continue;
projects / netatalk.git / blobdiff