/*
- * $Id: directory.c,v 1.103 2009-09-11 09:14:16 franklahm Exp $
+ * $Id: directory.c,v 1.140 2010/03/12 15:16:49 franklahm Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
- *
- * 19 jan 2000 implemented red-black trees for directory lookups
- * (asun@cobalt.com).
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
-/* STDC check */
-#if STDC_HEADERS
#include <string.h>
-#else /* STDC_HEADERS */
-#ifndef HAVE_STRCHR
-#define strchr index
-#define strrchr index
-#endif /* HAVE_STRCHR */
-char *strchr (), *strrchr ();
-#ifndef HAVE_MEMCPY
-#define memcpy(d,s,n) bcopy ((s), (d), (n))
-#define memmove(d,s,n) bcopy ((s), (d), (n))
-#endif /* ! HAVE_MEMCPY */
-#endif /* STDC_HEADERS */
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
#include <stdio.h>
#include <stdlib.h>
-#include <dirent.h>
-
#include <grp.h>
#include <pwd.h>
#include <sys/param.h>
+#include <sys/stat.h>
#include <errno.h>
#include <utime.h>
-#include <atalk/adouble.h>
+#include <assert.h>
+#include <atalk/adouble.h>
+#include <atalk/vfs.h>
#include <atalk/afp.h>
#include <atalk/util.h>
#include <atalk/cnid.h>
#include <atalk/logger.h>
#include <atalk/uuid.h>
+#include <atalk/unix.h>
+#include <atalk/bstrlib.h>
+#include <atalk/bstradd.h>
#include "directory.h"
+#include "dircache.h"
#include "desktop.h"
#include "volume.h"
#include "fork.h"
#include "globals.h"
#include "unix.h"
#include "mangle.h"
+#include "hash.h"
#ifdef HAVE_NFSv4_ACLS
extern void addir_inherit_acl(const struct vol *vol);
-#endif
-
-struct dir *curdir;
-int afp_errno;
-
-#define SENTINEL (&sentinel)
-static struct dir sentinel = { SENTINEL, SENTINEL, NULL, DIRTREE_COLOR_BLACK,
- NULL, NULL, NULL, NULL, NULL, 0, 0,
- 0, 0, NULL, NULL, NULL};
-static struct dir rootpar = { SENTINEL, SENTINEL, NULL, 0,
- NULL, NULL, NULL, NULL, NULL, 0, 0,
- 0, 0, NULL, NULL, NULL};
-
-/* (from IM: Toolbox Essentials)
- * dirFinderInfo (DInfo) fields:
- * field bytes
- * frRect 8 folder's window rectangle
- * frFlags 2 flags
- * frLocation 4 folder's location in window
- * frView 2 folder's view (default == closedView (256))
- *
- * extended dirFinderInfo (DXInfo) fields:
- * frScroll 4 scroll position
- * frOpenChain: 4 directory ID chain of open folders
- * frScript: 1 script flag and code
- * frXFlags: 1 reserved
- * frComment: 2 comment ID
- * frPutAway: 4 home directory ID
- */
-
-/*
- * redid did assignment for directories. now we use red-black trees.
- * how exciting.
- */
-struct dir *
- dirsearch( vol, did )
- const struct vol *vol;
-u_int32_t did;
-{
- struct dir *dir;
-
-
- /* check for 0 did */
- if (!did) {
- afp_errno = AFPERR_PARAM;
- return NULL;
- }
- if ( did == DIRDID_ROOT_PARENT ) {
- if (!rootpar.d_did)
- rootpar.d_did = DIRDID_ROOT_PARENT;
- rootpar.d_child = vol->v_dir;
- return( &rootpar );
- }
-#if 0
- /* XXX would be nice to check against curdir but we need to keep its volume */
- if (vol->curdir && curdir->d_did == did) {
- dir = curdir;
- }
- else {
- dir = vol->v_root;
- }
#endif
- dir = vol->v_root;
-
- afp_errno = AFPERR_NOOBJ;
- while ( dir != SENTINEL ) {
- if (dir->d_did == did)
- return dir->d_m_name ? dir : NULL;
- dir = (dir->d_did > did) ? dir->d_left : dir->d_right;
- }
- return NULL;
-}
-
-/* ------------------- */
-#ifdef ATACC
-int path_isadir(struct path *o_path)
-{
- return o_path->d_dir != NULL;
-#if 0
- return o_path->m_name == '\0' || /* we are in a it */
- !o_path->st_valid || /* in cache but we can't chdir in it */
- (!o_path->st_errno && S_ISDIR(o_path->st.st_mode)); /* not in cache an can't chdir */
-#endif
-}
-#endif
-
-int get_afp_errno(const int param)
-{
- if (afp_errno != AFPERR_DID1)
- return afp_errno;
- return param;
-}
-
-/* ------------------- */
-struct dir *
-dirsearch_byname( const struct vol *vol, struct dir *cdir, char *name)
-{
-struct dir *dir = NULL;
-
- if ((cdir->d_did != DIRDID_ROOT_PARENT) && (cdir->d_child)) {
- struct dir key;
- hnode_t *hn;
-
- key.d_parent = cdir;
- key.d_u_name = name;
- hn = hash_lookup(vol->v_hash, &key);
- if (hn) {
- dir = hnode_get(hn);
- }
- }
- return dir;
-}
-
-/* -----------------------------------------
- * if did is not in the cache resolve it with cnid
- *
- * FIXME
- * OSX call it with bogus id, ie file ID not folder ID,
- * and we are really bad in this case.
- */
-struct dir *
- dirlookup( vol, did )
- const struct vol *vol;
-u_int32_t did;
-{
- struct dir *ret;
- char *upath;
- cnid_t id, cnid;
- static char path[MAXPATHLEN + 1];
- size_t len, pathlen;
- char *ptr;
- static char buffer[12 + MAXPATHLEN + 1];
- int buflen = 12 + MAXPATHLEN + 1;
- char *mpath;
- int utf8;
- size_t maxpath;
-
- ret = dirsearch(vol, did);
- if (ret != NULL || afp_errno == AFPERR_PARAM)
- return ret;
-
- utf8 = utf8_encoding();
- maxpath = (utf8)?MAXPATHLEN -7:255;
- id = did;
- if (NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, buflen)) ) {
- afp_errno = AFPERR_NOOBJ;
- return NULL;
- }
- ptr = path + MAXPATHLEN;
- if (NULL == ( mpath = utompath(vol, upath, did, utf8) ) ) {
- afp_errno = AFPERR_NOOBJ;
- return NULL;
- }
- len = strlen(mpath);
- pathlen = len; /* no 0 in the last part */
- len++;
- strcpy(ptr - len, mpath);
- ptr -= len;
- while (1) {
- ret = dirsearch(vol,id);
- if (ret != NULL) {
- break;
- }
- cnid = id;
- if ( NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, buflen))
- ||
- NULL == (mpath = utompath(vol, upath, cnid, utf8))
- ) {
- afp_errno = AFPERR_NOOBJ;
- return NULL;
- }
-
- len = strlen(mpath) + 1;
- pathlen += len;
- if (pathlen > maxpath) {
- afp_errno = AFPERR_PARAM;
- return NULL;
- }
- strcpy(ptr - len, mpath);
- ptr -= len;
- }
-
- /* fill the cache, another place where we know about the path type */
- if (utf8) {
- u_int16_t temp16;
- u_int32_t temp;
-
- ptr -= 2;
- temp16 = htons(pathlen);
- memcpy(ptr, &temp16, sizeof(temp16));
-
- temp = htonl(kTextEncodingUTF8);
- ptr -= 4;
- memcpy(ptr, &temp, sizeof(temp));
- ptr--;
- *ptr = 3;
- }
- else {
- ptr--;
- *ptr = (unsigned char)pathlen;
- ptr--;
- *ptr = 2;
- }
- /* cname is not efficient */
- if (cname( vol, ret, &ptr ) == NULL )
- return NULL;
-
- return dirsearch(vol, did);
-}
-
-/* child addition/removal */
-static void dirchildadd(const struct vol *vol, struct dir *a, struct dir *b)
-{
- if (!a->d_child)
- a->d_child = b;
- else {
- b->d_next = a->d_child;
- b->d_prev = b->d_next->d_prev;
- b->d_next->d_prev = b;
- b->d_prev->d_next = b;
- }
- if (!hash_alloc_insert(vol->v_hash, b, b)) {
- LOG(log_error, logtype_afpd, "dirchildadd: can't hash %s", b->d_u_name);
- }
-}
-
-static void dirchildremove(struct dir *a,struct dir *b)
-{
- if (a->d_child == b)
- a->d_child = (b == b->d_next) ? NULL : b->d_next;
- b->d_next->d_prev = b->d_prev;
- b->d_prev->d_next = b->d_next;
- b->d_next = b->d_prev = b;
-}
-
-/* --------------------------- */
-/* rotate the tree to the left */
-static void dir_leftrotate(vol, dir)
-struct vol *vol;
-struct dir *dir;
-{
- struct dir *right = dir->d_right;
-
- /* whee. move the right's left tree into dir's right tree */
- dir->d_right = right->d_left;
- if (right->d_left != SENTINEL)
- right->d_left->d_back = dir;
-
- if (right != SENTINEL) {
- right->d_back = dir->d_back;
- right->d_left = dir;
- }
-
- if (!dir->d_back) /* no parent. move the right tree to the top. */
- vol->v_root = right;
- else if (dir == dir->d_back->d_left) /* we were on the left */
- dir->d_back->d_left = right;
- else
- dir->d_back->d_right = right; /* we were on the right */
-
- /* re-insert dir on the left tree */
- if (dir != SENTINEL)
- dir->d_back = right;
-}
-
-
-
-/* rotate the tree to the right */
-static void dir_rightrotate(vol, dir)
-struct vol *vol;
-struct dir *dir;
-{
- struct dir *left = dir->d_left;
-
- /* whee. move the left's right tree into dir's left tree */
- dir->d_left = left->d_right;
- if (left->d_right != SENTINEL)
- left->d_right->d_back = dir;
-
- if (left != SENTINEL) {
- left->d_back = dir->d_back;
- left->d_right = dir;
- }
-
- if (!dir->d_back) /* no parent. move the left tree to the top. */
- vol->v_root = left;
- else if (dir == dir->d_back->d_right) /* we were on the right */
- dir->d_back->d_right = left;
- else
- dir->d_back->d_left = left; /* we were on the left */
-
- /* re-insert dir on the right tree */
- if (dir != SENTINEL)
- dir->d_back = left;
-}
-
-#if 0
-/* recolor after a removal */
-static struct dir *dir_rmrecolor(vol, dir)
- struct vol *vol;
-struct dir *dir;
-{
- struct dir *leaf;
-
- while ((dir != vol->v_root) && (dir->d_color == DIRTREE_COLOR_BLACK)) {
- /* are we on the left tree? */
- if (dir == dir->d_back->d_left) {
- leaf = dir->d_back->d_right; /* get right side */
- if (leaf->d_color == DIRTREE_COLOR_RED) {
- /* we're red. we need to change to black. */
- leaf->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_color = DIRTREE_COLOR_RED;
- dir_leftrotate(vol, dir->d_back);
- leaf = dir->d_back->d_right;
- }
-
- /* right leaf has black end nodes */
- if ((leaf->d_left->d_color == DIRTREE_COLOR_BLACK) &&
- (leaf->d_right->d_color = DIRTREE_COLOR_BLACK)) {
- leaf->d_color = DIRTREE_COLOR_RED; /* recolor leaf as red */
- dir = dir->d_back; /* ascend */
- } else {
- if (leaf->d_right->d_color == DIRTREE_COLOR_BLACK) {
- leaf->d_left->d_color = DIRTREE_COLOR_BLACK;
- leaf->d_color = DIRTREE_COLOR_RED;
- dir_rightrotate(vol, leaf);
- leaf = dir->d_back->d_right;
- }
- leaf->d_color = dir->d_back->d_color;
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- leaf->d_right->d_color = DIRTREE_COLOR_BLACK;
- dir_leftrotate(vol, dir->d_back);
- dir = vol->v_root;
- }
- } else { /* right tree */
- leaf = dir->d_back->d_left; /* left tree */
- if (leaf->d_color == DIRTREE_COLOR_RED) {
- leaf->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_color = DIRTREE_COLOR_RED;
- dir_rightrotate(vol, dir->d_back);
- leaf = dir->d_back->d_left;
- }
-
- /* left leaf has black end nodes */
- if ((leaf->d_right->d_color == DIRTREE_COLOR_BLACK) &&
- (leaf->d_left->d_color = DIRTREE_COLOR_BLACK)) {
- leaf->d_color = DIRTREE_COLOR_RED; /* recolor leaf as red */
- dir = dir->d_back; /* ascend */
- } else {
- if (leaf->d_left->d_color == DIRTREE_COLOR_BLACK) {
- leaf->d_right->d_color = DIRTREE_COLOR_BLACK;
- leaf->d_color = DIRTREE_COLOR_RED;
- dir_leftrotate(vol, leaf);
- leaf = dir->d_back->d_left;
- }
- leaf->d_color = dir->d_back->d_color;
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- leaf->d_left->d_color = DIRTREE_COLOR_BLACK;
- dir_rightrotate(vol, dir->d_back);
- dir = vol->v_root;
- }
- }
- }
- dir->d_color = DIRTREE_COLOR_BLACK;
-
- return dir;
-}
-#endif /* 0 */
-
-/* --------------------- */
-static void dir_hash_del(const struct vol *vol, struct dir *dir)
-{
- hnode_t *hn;
-
- hn = hash_lookup(vol->v_hash, dir);
- if (!hn) {
- LOG(log_error, logtype_afpd, "dir_hash_del: %s not hashed", dir->d_u_name);
- }
- else {
- hash_delete(vol->v_hash, hn);
- }
-}
-
-/* remove the node from the tree. this is just like insertion, but
- * different. actually, it has to worry about a bunch of things that
- * insertion doesn't care about. */
-
-static void dir_remove( const struct vol *vol _U_, struct dir *dir)
-{
-#ifdef REMOVE_NODES
- struct ofork *of, *last;
- struct dir *node, *leaf;
-#endif /* REMOVE_NODES */
-
- if (!dir || (dir == SENTINEL))
- return;
-
- /* i'm not sure if it really helps to delete stuff. */
- dir_hash_del(vol, dir);
-#ifndef REMOVE_NODES
- dirfreename(dir);
- dir->d_m_name = NULL;
- dir->d_u_name = NULL;
- dir->d_m_name_ucs2 = NULL;
-#else /* ! REMOVE_NODES */
-
- /* go searching for a node with at most one child */
- if ((dir->d_left == SENTINEL) || (dir->d_right == SENTINEL)) {
- node = dir;
- } else {
- node = dir->d_right;
- while (node->d_left != SENTINEL)
- node = node->d_left;
- }
-
- /* get that child */
- leaf = (node->d_left != SENTINEL) ? node->d_left : node->d_right;
-
- /* detach node */
- leaf->d_back = node->d_back;
- if (!node->d_back) {
- vol->v_root = leaf;
- } else if (node == node->d_back->d_left) { /* left tree */
- node->d_back->d_left = leaf;
- } else {
- node->d_back->d_right = leaf;
- }
-
- /* we want to free node, but we also want to free the data in dir.
- * currently, that's d_name and the directory traversal bits.
- * we just copy the necessary bits and then fix up all the
- * various pointers to the directory. needless to say, there are
- * a bunch of places that store the directory struct. */
- if (node != dir) {
- struct dir save, *tmp;
-
- memcpy(&save, dir, sizeof(save));
- memcpy(dir, node, sizeof(struct dir));
-
- /* restore the red-black bits */
- dir->d_left = save.d_left;
- dir->d_right = save.d_right;
- dir->d_back = save.d_back;
- dir->d_color = save.d_color;
-
- if (node == vol->v_dir) {/* we may need to fix up this pointer */
- vol->v_dir = dir;
- rootpar.d_child = vol->v_dir;
- } else {
- /* if we aren't the root directory, we have parents and
- * siblings to worry about */
- if (dir->d_parent->d_child == node)
- dir->d_parent->d_child = dir;
- dir->d_next->d_prev = dir;
- dir->d_prev->d_next = dir;
- }
-
- /* fix up children. */
- tmp = dir->d_child;
- while (tmp) {
- tmp->d_parent = dir;
- tmp = (tmp == dir->d_child->d_prev) ? NULL : tmp->d_next;
- }
-
- if (node == curdir) /* another pointer to fixup */
- curdir = dir;
-
- /* we also need to fix up oforks. bleah */
- if ((of = dir->d_ofork)) {
- last = of->of_d_prev;
- while (of) {
- of->of_dir = dir;
- of = (last == of) ? NULL : of->of_d_next;
- }
- }
-
- /* set the node's d_name */
- node->d_m_name = save.d_m_name;
- node->d_u_name = save.d_u_name;
- node->d_m_name_ucs2 = save.d_m_name_ucs2;
- }
-
- if (node->d_color == DIRTREE_COLOR_BLACK)
- dir_rmrecolor(vol, leaf);
-
- if (node->d_m_name_ucs2)
- free(node->d_u_name_ucs2);
- if (node->d_u_name != node->d_m_name) {
- free(node->d_u_name);
- }
- free(node->d_m_name);
- free(node);
-#endif /* ! REMOVE_NODES */
-}
-
-/* ---------------------------------------
- * remove the node and its childs from the tree
- *
- * FIXME what about opened forks with refs to it?
- * it's an afp specs violation because you can't delete
- * an opened forks. Now afpd doesn't care about forks opened by other
- * process. It's fixable within afpd if fnctl_lock, doable with smb and
- * next to impossible for nfs and local filesystem access.
- */
-static void dir_invalidate( vol, dir )
-const struct vol *vol;
-struct dir *dir;
-{
- if (curdir == dir) {
- /* v_root can't be deleted */
- if (movecwd(vol, vol->v_root) < 0) {
- LOG(log_error, logtype_afpd, "cname can't chdir to : %s", vol->v_root);
- }
- }
- /* FIXME */
- dirchildremove(dir->d_parent, dir);
- dir_remove( vol, dir );
-}
-
-/* ------------------------------------ */
-static struct dir *dir_insert(vol, dir)
- const struct vol *vol;
-struct dir *dir;
-{
- struct dir *pdir;
-
- pdir = vol->v_root;
- while (pdir->d_did != dir->d_did ) {
- if ( pdir->d_did > dir->d_did ) {
- if ( pdir->d_left == SENTINEL ) {
- pdir->d_left = dir;
- dir->d_back = pdir;
- return NULL;
- }
- pdir = pdir->d_left;
- } else {
- if ( pdir->d_right == SENTINEL ) {
- pdir->d_right = dir;
- dir->d_back = pdir;
- return NULL;
- }
- pdir = pdir->d_right;
- }
- }
- return pdir;
-}
-
-#define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
-
-int
-caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
-{
- DIR *dp;
- struct dirent *de;
- int ret;
- static u_int32_t did = 0;
- static char cname[MAXPATHLEN];
- static char lname[MAXPATHLEN];
- ucs2_t u2_path[MAXPATHLEN];
- ucs2_t u2_dename[MAXPATHLEN];
- char *tmp, *savepath;
-
- if (!(vol->v_flags & AFPVOL_CASEINSEN))
- return -1;
-
- if (veto_file(ENUMVETO, path->u_name))
- return -1;
-
- savepath = path->u_name;
-
- /* very simple cache */
- if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
- path->u_name = cname;
- path->d_dir = NULL;
- if (of_stat( path ) == 0 ) {
- return 0;
- }
- /* something changed, we cannot stat ... */
- did = 0;
- }
-
- if (NULL == ( dp = opendir( "." )) ) {
- LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
- return -1;
- }
-
-
- /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
- if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, strlen(path->u_name), u2_path, sizeof(u2_path)) )
- LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
-
- /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
- ret = -1;
- for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
- if (NULL == check_dirent(vol, de->d_name))
- continue;
-
- if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, strlen(de->d_name), u2_dename, sizeof(u2_dename)) )
- continue;
-
- if (strcasecmp_w( u2_path, u2_dename) == 0) {
- tmp = path->u_name;
- strlcpy(cname, de->d_name, sizeof(cname));
- path->u_name = cname;
- path->d_dir = NULL;
- if (of_stat( path ) == 0 ) {
- LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
- strlcpy(lname, tmp, sizeof(lname));
- did = dir->d_did;
- ret = 0;
- break;
- }
- else
- path->u_name = tmp;
- }
-
- }
- closedir(dp);
-
- if (ret) {
- /* invalidate cache */
- cname[0] = 0;
- did = 0;
- path->u_name = savepath;
- }
- /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
- return ret;
-}
-
/*
- * attempt to extend the current dir. tree to include path
- * as a side-effect, movecwd to that point and return the new dir
+ * FIXMEs, loose ends after the dircache rewrite:
+ * o merge dircache_search_by_name and dir_add ??
+ * o case-insensitivity is gone from cname
*/
-static struct dir *
- extenddir( vol, dir, path )
-struct vol *vol;
-struct dir *dir;
-struct path *path;
-{
- path->d_dir = NULL;
-
- if ( path->u_name == NULL) {
- afp_errno = AFPERR_PARAM;
- return NULL;
- }
-
- if (check_name(vol, path->u_name)) {
- /* the name is illegal */
- LOG(log_info, logtype_afpd, "extenddir: illegal path: '%s'", path->u_name);
- path->u_name = NULL;
- afp_errno = AFPERR_PARAM;
- return NULL;
- }
- if (of_stat( path ) != 0 ) {
- if (!(vol->v_flags & AFPVOL_CASEINSEN))
- return NULL;
- else if(caseenumerate(vol, path, dir) != 0)
- return(NULL);
- }
- if (!S_ISDIR(path->st.st_mode)) {
- return( NULL );
- }
+/*******************************************************************************************
+ * Globals
+ ******************************************************************************************/
- /* mac name is always with the right encoding (from cname()) */
- if (( dir = adddir( vol, dir, path)) == NULL ) {
- return( NULL );
- }
+int afp_errno;
+struct dir rootParent = {
+ NULL, NULL, NULL, NULL, /* path, d_m_name, d_u_name, d_m_name_ucs2 */
+ NULL, NULL, 0, 0, /* qidx_node, d_ofork, ctime, d_flags */
+ 0, 0, 0, 0 /* pdid, did, offcnt, d_vid */
+};
+struct dir *curdir = &rootParent;
+struct path Cur_Path = {
+ 0,
+ "", /* mac name */
+ ".", /* unix name */
+ 0, /* id */
+ NULL,/* struct dir * */
+ 0, /* stat is not set */
+ 0, /* errno */
+ {0} /* struct stat */
+};
- path->d_dir = dir;
- if ( movecwd( vol, dir ) < 0 ) {
- return( NULL );
- }
- return( dir );
-}
+/*******************************************************************************************
+ * Locals
+ ******************************************************************************************/
-/* -------------------
- system rmdir with afp error code.
- ENOENT is not an error.
- */
-int netatalk_rmdir(const char *name)
-{
- if (rmdir(name) < 0) {
- switch ( errno ) {
- case ENOENT :
- break;
- case ENOTEMPTY :
- return AFPERR_DIRNEMPT;
- case EPERM:
- case EACCES :
- return AFPERR_ACCESS;
- case EROFS:
- return AFPERR_VLOCK;
- default :
- return AFPERR_PARAM;
- }
- }
- return AFP_OK;
-}
/* -------------------------
appledouble mkdir afp error code.
return AFP_OK;
}
-/* -------------------
- system unlink with afp error code.
- ENOENT is not an error.
- */
-int netatalk_unlink(const char *name)
-{
- if (unlink(name) < 0) {
- switch (errno) {
- case ENOENT :
- break;
- case EROFS:
- return AFPERR_VLOCK;
- case EPERM:
- case EACCES :
- return AFPERR_ACCESS;
- default :
- return AFPERR_PARAM;
- }
- }
- return AFP_OK;
-}
-
/* ------------------- */
-static int deletedir(char *dir)
+static int deletedir(int dirfd, char *dir)
{
char path[MAXPATHLEN + 1];
DIR *dp;
- struct dirent *de;
+ struct dirent *de;
struct stat st;
size_t len;
int err = AFP_OK;
return AFPERR_PARAM;
/* already gone */
- if ((dp = opendir(dir)) == NULL)
+ if ((dp = opendirat(dirfd, dir)) == NULL)
return AFP_OK;
strcpy(path, dir);
break;
}
strcpy(path + len, de->d_name);
- if (stat(path, &st)) {
+ if (lstatat(dirfd, path, &st)) {
continue;
}
if (S_ISDIR(st.st_mode)) {
- err = deletedir(path);
+ err = deletedir(dirfd, path);
} else {
- err = netatalk_unlink(path);
+ err = netatalk_unlinkat(dirfd, path);
}
}
closedir(dp);
/* okay. the directory is empty. delete it. note: we already got rid
of .AppleDouble. */
if (err == AFP_OK) {
- err = netatalk_rmdir(dir);
+ err = netatalk_rmdir(dirfd, dir);
}
return err;
}
/* do a recursive copy. */
-static int copydir(const struct vol *vol, char *src, char *dst)
+static int copydir(const struct vol *vol, int dirfd, char *src, char *dst)
{
char spath[MAXPATHLEN + 1], dpath[MAXPATHLEN + 1];
DIR *dp;
- struct dirent *de;
+ struct dirent *de;
struct stat st;
struct utimbuf ut;
size_t slen, dlen;
/* doesn't exist or the path is too long. */
if (((slen = strlen(src)) > sizeof(spath) - 2) ||
- ((dlen = strlen(dst)) > sizeof(dpath) - 2) ||
- ((dp = opendir(src)) == NULL))
+ ((dlen = strlen(dst)) > sizeof(dpath) - 2) ||
+ ((dp = opendirat(dirfd, src)) == NULL))
return AFPERR_PARAM;
/* try to create the destination directory */
strcat(spath, "/");
slen++;
srem = sizeof(spath) - slen -1;
-
+
strcpy(dpath, dst);
strcat(dpath, "/");
dlen++;
}
strcpy(spath + slen, de->d_name);
- if (stat(spath, &st) == 0) {
+ if (lstatat(dirfd, spath, &st) == 0) {
if (strlen(de->d_name) > drem) {
err = AFPERR_PARAM;
break;
strcpy(dpath + dlen, de->d_name);
if (S_ISDIR(st.st_mode)) {
- if (AFP_OK != (err = copydir(vol, spath, dpath)))
+ if (AFP_OK != (err = copydir(vol, dirfd, spath, dpath)))
goto copydir_done;
- } else if (AFP_OK != (err = copyfile(vol, vol, spath, dpath, NULL, NULL))) {
+ } else if (AFP_OK != (err = copyfile(vol, vol, dirfd, spath, dpath, NULL, NULL))) {
goto copydir_done;
} else {
}
/* keep the same time stamp. */
- if (stat(src, &st) == 0) {
+ if (lstatat(dirfd, src, &st) == 0) {
ut.actime = ut.modtime = st.st_mtime;
utime(dst, &ut);
}
return err;
}
+/* ---------------------
+ * is our cached offspring count valid?
+ */
+static int diroffcnt(struct dir *dir, struct stat *st)
+{
+ return st->st_ctime == dir->ctime;
+}
+
+/* --------------------- */
+static int invisible_dots(const struct vol *vol, const char *name)
+{
+ return vol_inv_dots(vol) && *name == '.' && strcmp(name, ".") && strcmp(name, "..");
+}
-/* --- public functions follow --- */
+/* ------------------ */
+static int set_dir_errors(struct path *path, const char *where, int err)
+{
+ switch ( err ) {
+ case EPERM :
+ case EACCES :
+ return AFPERR_ACCESS;
+ case EROFS :
+ return AFPERR_VLOCK;
+ }
+ LOG(log_error, logtype_afpd, "setdirparam(%s): %s: %s", fullpathname(path->u_name), where, strerror(err) );
+ return AFPERR_PARAM;
+}
-/* NOTE: we start off with at least one node (the root directory). */
-static struct dir *dirinsert( vol, dir )
- struct vol *vol;
-struct dir *dir;
+/*!
+ * @brief Convert name in client encoding to server encoding
+ *
+ * Convert ret->m_name to ret->u_name from client encoding to server encoding.
+ * This only gets called from cname().
+ *
+ * @returns 0 on success, -1 on error
+ *
+ * @note If the passed ret->m_name is mangled, we'll demangle it
+ */
+static int cname_mtouname(const struct vol *vol, const struct dir *dir, struct path *ret, int toUTF8)
{
- struct dir *node;
-
- if ((node = dir_insert(vol, dir)))
- return node;
-
- /* recolor the tree. the current node is red. */
- dir->d_color = DIRTREE_COLOR_RED;
-
- /* parent of this node has to be black. if the parent node
- * is red, then we have a grandparent. */
- while ((dir != vol->v_root) &&
- (dir->d_back->d_color == DIRTREE_COLOR_RED)) {
- /* are we on the left tree? */
- if (dir->d_back == dir->d_back->d_back->d_left) {
- node = dir->d_back->d_back->d_right; /* get the right node */
- if (node->d_color == DIRTREE_COLOR_RED) {
- /* we're red. we need to change to black. */
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- node->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_back->d_color = DIRTREE_COLOR_RED;
- dir = dir->d_back->d_back; /* finished. go up. */
+ static char temp[ MAXPATHLEN + 1];
+ char *t;
+ cnid_t fileid;
+
+ if (afp_version >= 30) {
+ if (toUTF8) {
+ if (dir->d_did == DIRDID_ROOT_PARENT) {
+ /*
+ * With uft8 volume name is utf8-mac, but requested path may be a mangled longname. See #2611981.
+ * So we compare it with the longname from the current volume and if they match
+ * we overwrite the requested path with the utf8 volume name so that the following
+ * strcmp can match.
+ */
+ ucs2_to_charset(vol->v_maccharset, vol->v_macname, temp, AFPVOL_MACNAMELEN + 1);
+ if (strcasecmp(ret->m_name, temp) == 0)
+ ucs2_to_charset(CH_UTF8_MAC, vol->v_u8mname, ret->m_name, AFPVOL_U8MNAMELEN);
} else {
- if (dir == dir->d_back->d_right) {
- dir = dir->d_back;
- dir_leftrotate(vol, dir);
+ /* toUTF8 */
+ if (mtoUTF8(vol, ret->m_name, strlen(ret->m_name), temp, MAXPATHLEN) == (size_t)-1) {
+ afp_errno = AFPERR_PARAM;
+ return -1;
}
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_back->d_color = DIRTREE_COLOR_RED;
- dir_rightrotate(vol, dir->d_back->d_back);
+ strcpy(ret->m_name, temp);
}
- } else {
- node = dir->d_back->d_back->d_left;
- if (node->d_color == DIRTREE_COLOR_RED) {
- /* we're red. we need to change to black. */
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- node->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_back->d_color = DIRTREE_COLOR_RED;
- dir = dir->d_back->d_back; /* finished. ascend */
- } else {
- if (dir == dir->d_back->d_left) {
- dir = dir->d_back;
- dir_rightrotate(vol, dir);
- }
- dir->d_back->d_color = DIRTREE_COLOR_BLACK;
- dir->d_back->d_back->d_color = DIRTREE_COLOR_RED;
- dir_leftrotate(vol, dir->d_back->d_back);
+ }
+
+ /* check for OS X mangled filename :( */
+ t = demangle_osx(vol, ret->m_name, dir->d_did, &fileid);
+ LOG(log_maxdebug, logtype_afpd, "cname_mtouname('%s',did:%u) {demangled:'%s', fileid:%u}",
+ ret->m_name, ntohl(dir->d_did), t, ntohl(fileid));
+
+ if (t != ret->m_name) {
+ ret->u_name = t;
+ /* duplicate work but we can't reuse all convert_char we did in demangle_osx
+ * flags weren't the same
+ */
+ if ( (t = utompath(vol, ret->u_name, fileid, utf8_encoding())) ) {
+ /* at last got our view of mac name */
+ strcpy(ret->m_name, t);
}
}
+ } /* afp_version >= 30 */
+
+ /* If we haven't got it by now, get it */
+ if (ret->u_name == NULL) {
+ if ((ret->u_name = mtoupath(vol, ret->m_name, dir->d_did, utf8_encoding())) == NULL) {
+ afp_errno = AFPERR_PARAM;
+ return -1;
+ }
}
- vol->v_root->d_color = DIRTREE_COLOR_BLACK;
- return NULL;
+ return 0;
}
-/* ---------------------------- */
-struct dir *
- adddir( vol, dir, path)
-struct vol *vol;
-struct dir *dir;
-struct path *path;
+/*!
+ * @brief Build struct path from struct dir
+ *
+ * The final movecwd in cname failed, possibly with EPERM or ENOENT. We:
+ * 1. move cwd into parent dir (we're often already there, but not always)
+ * 2. set struct path to the dirname
+ * 3. in case of
+ * AFPERR_ACCESS: the dir is there, we just cant chdir into it
+ * AFPERR_NOOBJ: the dir was there when we stated it in cname, so we have a race
+ * 4. indicate there's no dir for this path
+ * 5. remove the dir
+ */
+static struct path *path_from_dir(struct vol *vol, struct dir *dir, struct path *ret)
{
- struct dir *cdir, *edir;
- int upathlen;
- char *name;
- char *upath;
- struct stat *st;
- int deleted;
- cnid_t id;
+ if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
+ return NULL;
- upath = path->u_name;
- st = &path->st;
- upathlen = strlen(upath);
+ switch (afp_errno) {
+
+ case AFPERR_ACCESS:
+ if (movecwd( vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
+ return NULL;
+
+ memcpy(ret->m_name, cfrombstring(dir->d_m_name), blength(dir->d_m_name) + 1); /* 3 */
+ if (dir->d_m_name == dir->d_u_name) {
+ ret->u_name = ret->m_name;
+ } else {
+ ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
+ memcpy(ret->u_name, cfrombstring(dir->d_u_name), blength(dir->d_u_name) + 1);
+ }
+
+ ret->d_dir = dir;
+
+ LOG(log_debug, logtype_afpd, "cname('%s') {path-from-dir: AFPERR_ACCESS. curdir:'%s', path:'%s'}",
+ cfrombstring(dir->d_fullpath),
+ cfrombstring(curdir->d_fullpath),
+ ret->u_name);
+
+ return ret;
- id = get_id(vol, NULL, st, dir->d_did, upath, upathlen);
- if (id == 0) {
+ case AFPERR_NOOBJ:
+ if (movecwd(vol, dirlookup(vol, dir->d_pdid)) < 0 ) /* 1 */
+ return NULL;
+
+ memcpy(ret->m_name, cfrombstring(dir->d_m_name), blength(dir->d_m_name) + 1);
+ if (dir->d_m_name == dir->d_u_name) {
+ ret->u_name = ret->m_name;
+ } else {
+ ret->u_name = ret->m_name + blength(dir->d_m_name) + 1;
+ memcpy(ret->u_name, cfrombstring(dir->d_u_name), blength(dir->d_u_name) + 1);
+ }
+
+ ret->d_dir = NULL; /* 4 */
+ dir_remove(vol, dir); /* 5 */
+ return ret;
+
+ default:
return NULL;
}
- if (!path->m_name && !(path->m_name = utompath(vol, upath, id , utf8_encoding()))) {
+
+ /* DEADC0DE: never get here */
+ return NULL;
+}
+
+
+/*********************************************************************************************
+ * Interface
+ ********************************************************************************************/
+
+int get_afp_errno(const int param)
+{
+ if (afp_errno != AFPERR_DID1)
+ return afp_errno;
+ return param;
+}
+
+/*!
+ * @brief Resolve a DID
+ *
+ * Resolve a DID, allocate a struct dir for it
+ * 1. Check for special CNIDs 0 (invalid), 1 and 2.
+ * 2. Check if the DID is in the cache.
+ * 3. If it's not in the cache resolve it via the database.
+ * 4. Build complete server-side path to the dir.
+ * 5. Check if it exists and is a directory.
+ * 6. Create the struct dir and populate it.
+ * 7. Add it to the cache.
+ *
+ * @param vol (r) pointer to struct vol
+ * @param did (r) DID to resolve
+ *
+ * @returns pointer to struct dir
+ *
+ * @note FIXME: OSX calls it with bogus id, ie file ID not folder ID,
+ * and we are really bad in this case.
+ */
+struct dir *dirlookup(const struct vol *vol, cnid_t did)
+{
+ static char buffer[12 + MAXPATHLEN + 1];
+ struct stat st;
+ struct dir *ret = NULL, *pdir;
+ bstring fullpath = NULL;
+ char *upath = NULL, *mpath;
+ cnid_t cnid, pdid;
+ size_t maxpath;
+ int buflen = 12 + MAXPATHLEN + 1;
+ int utf8;
+ int err = 0;
+
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {start}", ntohl(did));
+
+ /* check for did 0, 1 and 2 */
+ if (did == 0 || vol == NULL) { /* 1 */
+ afp_errno = AFPERR_PARAM;
return NULL;
+ } else if (did == DIRDID_ROOT_PARENT) {
+ rootParent.d_vid = vol->v_vid;
+ return (&rootParent);
+ } else if (did == DIRDID_ROOT) {
+ return vol->v_root;
+ }
+
+ /* Search the cache */
+ if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2 */
+ if (lstat(cfrombstring(ret->d_fullpath), &st) != 0) {
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {lstat: %s}", ntohl(did), strerror(errno));
+ switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ /* It's not there anymore, so remove it */
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {calling dir_remove()}", ntohl(did));
+ dir_remove(vol, ret);
+ afp_errno = AFPERR_NOOBJ;
+ return NULL;
+ default:
+ return ret;
+ }
+ /* DEADC0DE */
+ return NULL;
+ }
+ return ret;
}
- name = path->m_name;
- if ((cdir = dirnew(name, upath)) == NULL) {
- LOG(log_error, logtype_afpd, "adddir: malloc: %s", strerror(errno) );
- return NULL;
+
+ utf8 = utf8_encoding();
+ maxpath = (utf8) ? MAXPATHLEN - 7 : 255;
+
+ /* Get it from the database */
+ cnid = did;
+ if ( (upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL
+ || (upath = strdup(upath)) == NULL) { /* 3 */
+ afp_errno = AFPERR_NOOBJ;
+ err = 1;
+ goto exit;
+ }
+ pdid = cnid;
+
+ /*
+ * Recurse up the tree, terminates in dirlookup when either
+ * - DIRDID_ROOT is hit
+ * - a cached entry is found
+ */
+ if ((pdir = dirlookup(vol, pdid)) == NULL) {
+ err = 1;
+ goto exit;
+ }
+
+ /* build the fullpath */
+ if ((fullpath = bstrcpy(pdir->d_fullpath)) == NULL
+ || bconchar(fullpath, '/') != BSTR_OK
+ || bcatcstr(fullpath, upath) != BSTR_OK) {
+ err = 1;
+ goto exit;
}
- if ((size_t)-1 == convert_string_allocate((utf8_encoding())?CH_UTF8_MAC:vol->v_maccharset, CH_UCS2, path->m_name, strlen(path->m_name), &cdir->d_m_name_ucs2)) {
- LOG(log_error, logtype_afpd, "Couldn't set UCS2 name for %s", name);
- cdir->d_m_name_ucs2 = NULL;
- }
-
- cdir->d_did = id;
-
- if ((edir = dirinsert( vol, cdir ))) {
- /* it's not possible with LASTDID
- for CNID:
- - someone else have moved the directory.
- - it's a symlink inside the share.
- - it's an ID reused, the old directory was deleted but not
- the cnid record and the server've reused the inode for
- the new dir.
- for HASH (we should get ride of HASH)
- - someone else have moved the directory.
- - it's an ID reused as above
- - it's a hash duplicate and we are in big trouble
- */
- deleted = (edir->d_m_name == NULL);
- if (!deleted)
- dir_hash_del(vol, edir);
- dirfreename(edir);
- edir->d_m_name = cdir->d_m_name;
- edir->d_u_name = cdir->d_u_name;
- edir->d_m_name_ucs2 = cdir->d_m_name_ucs2;
- free(cdir);
- cdir = edir;
- LOG(log_error, logtype_afpd, "adddir: insert %s", edir->d_m_name);
- if (!cdir->d_parent || (cdir->d_parent == dir && !deleted)) {
- hash_alloc_insert(vol->v_hash, cdir, cdir);
- return cdir;
+
+ /* stat it and check if it's a dir */
+ LOG(log_debug, logtype_afpd, "dirlookup: {stating %s}", cfrombstring(fullpath));
+
+ if (stat(cfrombstring(fullpath), &st) != 0) { /* 5a */
+ switch (errno) {
+ case ENOENT:
+ afp_errno = AFPERR_NOOBJ;
+ err = 1;
+ goto exit;
+ case EPERM:
+ afp_errno = AFPERR_ACCESS;
+ err = 1;
+ goto exit;
+ default:
+ afp_errno = AFPERR_MISC;
+ err = 1;
+ goto exit;
+ }
+ } else {
+ if ( ! S_ISDIR(st.st_mode)) { /* 5b */
+ afp_errno = AFPERR_BADTYPE;
+ err = 1;
+ goto exit;
}
- /* the old was not in the same folder */
- if (!deleted)
- dirchildremove(cdir->d_parent, cdir);
}
- /* parent/child directories */
- cdir->d_parent = dir;
- dirchildadd(vol, dir, cdir);
- return( cdir );
-}
+ /* Get macname from unix name */
+ if ( (mpath = utompath(vol, upath, did, utf8)) == NULL ) {
+ afp_errno = AFPERR_NOOBJ;
+ err = 1;
+ goto exit;
+ }
-/* --- public functions follow --- */
-/* free everything down. we don't bother to recolor as this is only
- * called to free the entire tree */
-void dirfreename(struct dir *dir)
-{
- if (dir->d_u_name != dir->d_m_name) {
- free(dir->d_u_name);
+ /* Create struct dir */
+ if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath)) == NULL) { /* 6 */
+ LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
+ err = 1;
+ goto exit;
}
- if (dir->d_m_name_ucs2)
- free(dir->d_m_name_ucs2);
- free(dir->d_m_name);
+
+ /* Add it to the cache only if it's a dir */
+ if (dircache_add(ret) != 0) { /* 7 */
+ err = 1;
+ goto exit;
+ }
+
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {end: did:%u, path:'%s'}",
+ ntohl(did), ntohl(pdid), cfrombstring(ret->d_fullpath));
+
+exit:
+ if (err) {
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {exit_error: %s}",
+ ntohl(did), AfpErr2name(afp_errno));
+ free(upath);
+ if (fullpath)
+ bdestroy(fullpath);
+ if (ret) {
+ dir_free(ret);
+ ret = NULL;
+ }
+ }
+ return ret;
}
-void dirfree( dir )
-struct dir *dir;
+#define ENUMVETO "./../Network Trash Folder/TheVolumeSettingsFolder/TheFindByContentFolder/:2eDS_Store/Contents/Desktop Folder/Trash/Benutzer/"
+
+int caseenumerate(const struct vol *vol, struct path *path, struct dir *dir)
{
- if (!dir || (dir == SENTINEL))
- return;
+ DIR *dp;
+ struct dirent *de;
+ int ret;
+ static u_int32_t did = 0;
+ static char cname[MAXPATHLEN];
+ static char lname[MAXPATHLEN];
+ ucs2_t u2_path[MAXPATHLEN];
+ ucs2_t u2_dename[MAXPATHLEN];
+ char *tmp, *savepath;
+
+ if (!(vol->v_flags & AFPVOL_CASEINSEN))
+ return -1;
+
+ if (veto_file(ENUMVETO, path->u_name))
+ return -1;
+
+ savepath = path->u_name;
+
+ /* very simple cache */
+ if ( dir->d_did == did && strcmp(lname, path->u_name) == 0) {
+ path->u_name = cname;
+ path->d_dir = NULL;
+ if (of_stat( path ) == 0 ) {
+ return 0;
+ }
+ /* something changed, we cannot stat ... */
+ did = 0;
+ }
- if ( dir->d_left != SENTINEL ) {
- dirfree( dir->d_left );
+ if (NULL == ( dp = opendir( "." )) ) {
+ LOG(log_debug, logtype_afpd, "caseenumerate: opendir failed: %s", dir->d_u_name);
+ return -1;
}
- if ( dir->d_right != SENTINEL ) {
- dirfree( dir->d_right );
+
+
+ /* LOG(log_debug, logtype_afpd, "caseenumerate: for %s", path->u_name); */
+ if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, path->u_name, -1, u2_path, sizeof(u2_path)) )
+ LOG(log_debug, logtype_afpd, "caseenumerate: conversion failed for %s", path->u_name);
+
+ /*LOG(log_debug, logtype_afpd, "caseenumerate: dir: %s, path: %s", dir->d_u_name, path->u_name); */
+ ret = -1;
+ for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
+ if (NULL == check_dirent(vol, de->d_name))
+ continue;
+
+ if ((size_t) -1 == convert_string(vol->v_volcharset, CH_UCS2, de->d_name, -1, u2_dename, sizeof(u2_dename)) )
+ continue;
+
+ if (strcasecmp_w( u2_path, u2_dename) == 0) {
+ tmp = path->u_name;
+ strlcpy(cname, de->d_name, sizeof(cname));
+ path->u_name = cname;
+ path->d_dir = NULL;
+ if (of_stat( path ) == 0 ) {
+ LOG(log_debug, logtype_afpd, "caseenumerate: using dir: %s, path: %s", de->d_name, path->u_name);
+ strlcpy(lname, tmp, sizeof(lname));
+ did = dir->d_did;
+ ret = 0;
+ break;
+ }
+ else
+ path->u_name = tmp;
+ }
+
}
+ closedir(dp);
- if (dir != SENTINEL) {
- dirfreename(dir);
- free( dir );
+ if (ret) {
+ /* invalidate cache */
+ cname[0] = 0;
+ did = 0;
+ path->u_name = savepath;
}
+ /* LOG(log_debug, logtype_afpd, "caseenumerate: path on ret: %s", path->u_name); */
+ return ret;
}
-/* --------------------------------------------
- * most of the time mac name and unix name are the same
-*/
-struct dir *dirnew(const char *m_name, const char *u_name)
+
+/*!
+ * @brief Construct struct dir
+ *
+ * Construct struct dir from parameters.
+ *
+ * @param m_name (r) directory name in UTF8-dec
+ * @param u_name (r) directory name in server side encoding
+ * @param vol (r) pointer to struct vol
+ * @param pdid (r) Parent CNID
+ * @param did (r) CNID
+ * @param fullpath (r) Full unix path to dir
+ *
+ * @returns pointer to new struct dir or NULL on error
+ *
+ * @note Most of the time mac name and unix name are the same.
+ */
+struct dir *dir_new(const char *m_name,
+ const char *u_name,
+ const struct vol *vol,
+ cnid_t pdid,
+ cnid_t did,
+ bstring path)
{
struct dir *dir;
if (!dir)
return NULL;
- if ((dir->d_m_name = strdup(m_name)) == NULL) {
+ if ((dir->d_m_name = bfromcstr(m_name)) == NULL) {
free(dir);
return NULL;
}
+ if (convert_string_allocate( (utf8_encoding()) ? CH_UTF8_MAC : vol->v_maccharset,
+ CH_UCS2,
+ m_name,
+ -1, (char **)&dir->d_m_name_ucs2) == (size_t)-1 ) {
+ LOG(log_error, logtype_afpd, "dir_new(did: %u) {%s, %s}: couldn't set UCS2 name", ntohl(did), m_name, u_name);
+ dir->d_m_name_ucs2 = NULL;
+ }
+
if (m_name == u_name || !strcmp(m_name, u_name)) {
dir->d_u_name = dir->d_m_name;
}
- else if ((dir->d_u_name = strdup(u_name)) == NULL) {
- free(dir->d_m_name);
+ else if ((dir->d_u_name = bfromcstr(u_name)) == NULL) {
+ bdestroy(dir->d_m_name);
free(dir);
return NULL;
}
- dir->d_m_name_ucs2 = NULL;
- dir->d_left = dir->d_right = SENTINEL;
- dir->d_next = dir->d_prev = dir;
- return dir;
-}
+ dir->d_did = did;
+ dir->d_pdid = pdid;
+ dir->d_vid = vol->v_vid;
+ dir->d_fullpath = path;
+ return dir;
+}
+
+/*!
+ * @brief Free a struct dir and all its members
+ *
+ * @param (rw) pointer to struct dir
+ */
+void dir_free(struct dir *dir)
+{
+ if (dir->d_u_name != dir->d_m_name) {
+ bdestroy(dir->d_u_name);
+ }
+ if (dir->d_m_name_ucs2)
+ free(dir->d_m_name_ucs2);
+ bdestroy(dir->d_m_name);
+ bdestroy(dir->d_fullpath);
+ free(dir);
+}
+
+/*!
+ * @brief Create struct dir from struct path
+ *
+ * Create a new struct dir from struct path. Then add it to the cache.
+ * The caller must have assured that the dir is not already in the cache,
+ * cf theAFP_ASSERTion.
+ * 1. Open adouble file, get CNID from it.
+ * 2. Search the database, hinting with the CNID from (1).
+ * 3. Build fullpath and create struct dir.
+ * 4. Add it to the cache.
+ *
+ * @param vol (r) pointer to struct vol
+ * @param dir (r) pointer to parrent directory
+ * @param path (rw) pointer to struct path with valid path->u_name
+ * @param len (r) strlen of path->u_name
+ *
+ * @returns Pointer to new struct dir or NULL on error.
+ *
+ * @note Function also assigns path->m_name from path->u_name.
+ */
+struct dir *dir_add(const struct vol *vol, const struct dir *dir, struct path *path, int len)
+{
+ int err = 0;
+ struct dir *cdir = NULL;
+ cnid_t id;
+ struct adouble ad;
+ struct adouble *adp = NULL;
+ bstring fullpath;
+
+ AFP_ASSERT(vol);
+ AFP_ASSERT(dir);
+ AFP_ASSERT(path);
+ AFP_ASSERT(len > 0);
+
+ if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
+ /* there's a stray entry in the dircache */
+ LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {stray cache entry: did:%u,'%s', removing}",
+ ntohl(dir->d_did), cfrombstring(dir->d_fullpath), path->u_name,
+ ntohl(cdir->d_did), cfrombstring(dir->d_fullpath));
+ if (dir_remove(vol, cdir) != 0) {
+ dircache_dump();
+ exit(EXITERR_SYS);
+ }
+ }
+
+ /* get_id needs adp for reading CNID from adouble file */
+ ad_init(&ad, vol->v_adouble, vol->v_ad_options);
+ if ((ad_open_metadata(path->u_name, ADFLAGS_DIR, 0, &ad)) == 0) /* 1 */
+ adp = &ad;
+
+ /* Get CNID */
+ if ((id = get_id(vol, adp, &path->st, dir->d_did, path->u_name, len)) == 0) { /* 2 */
+ err = 1;
+ goto exit;
+ }
+
+ if (adp)
+ ad_close_metadata(adp);
+
+ /* Get macname from unixname */
+ if (path->m_name == NULL) {
+ if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
+ err = 2;
+ goto exit;
+ }
+ }
+
+ /* Build fullpath */
+ if ( ((fullpath = bstrcpy(dir->d_fullpath)) == NULL) /* 3 */
+ || (bconchar(fullpath, '/') != BSTR_OK)
+ || (bcatcstr(fullpath, path->u_name)) != BSTR_OK) {
+ LOG(log_error, logtype_afpd, "dir_add: fullpath: %s", strerror(errno) );
+ err = 3;
+ goto exit;
+ }
+
+ /* Allocate and initialize struct dir */
+ if ((cdir = dir_new( path->m_name, path->u_name, vol, dir->d_did, id, fullpath)) == NULL) { /* 3 */
+ err = 4;
+ goto exit;
+ }
+
+ if ((dircache_add(cdir)) != 0) { /* 4 */
+ LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstring(fullpath));
+ exit(EXITERR_SYS);
+ }
+
+exit:
+ if (err != 0) {
+ LOG(log_debug, logtype_afpd, "dir_add('%s/%s'): error: %u",
+ cfrombstring(dir->d_u_name), path->u_name, err);
+
+ if (adp)
+ ad_close_metadata(adp);
+ if (!cdir && fullpath)
+ bdestroy(fullpath);
+ if (cdir)
+ dir_free(cdir);
+ cdir = NULL;
+ } else {
+ /* no error */
+ LOG(log_debug, logtype_afpd, "dir_add(did:%u,'%s/%s'): {cached: %u,'%s'}",
+ ntohl(dir->d_did), cfrombstring(dir->d_fullpath), path->u_name,
+ ntohl(cdir->d_did), cfrombstring(cdir->d_fullpath));
+ }
+
+ return(cdir);
+}
+
+/*!
+ * @brief Remove a dir from a cache and free it and any ressources with it
+ *
+ * 1. Check if the dir is locked or has opened forks
+ * 2. If it's a request to remove curdir, just chdir to volume root
+ * 3. Remove it from the cache
+ * 4. Remove the dir plus any allocated resources it references
+ *
+ * @param (r) pointer to struct vol
+ * @param (rw) pointer to struct dir
+ */
+int dir_remove(const struct vol *vol, struct dir *dir)
+{
+ AFP_ASSERT(vol);
+ AFP_ASSERT(dir);
+
+ if (dir->d_did == DIRDID_ROOT_PARENT || dir->d_did == DIRDID_ROOT)
+ return 0;
+
+ if (dir->d_flags & DIRF_CACHELOCK || dir->d_ofork) { /* 1 */
+ LOG(log_warning, logtype_afpd, "dir_remove(did:%u,'%s'): dir is locked or has opened forks",
+ ntohl(dir->d_did), cfrombstring(dir->d_fullpath));
+ return 0;
+ }
+
+ if (curdir == dir) { /* 2 */
+ if (movecwd(vol, vol->v_root) < 0) {
+ LOG(log_error, logtype_afpd, "dir_remove: can't chdir to : %s", vol->v_root);
+ }
+ }
+
+ LOG(log_debug, logtype_afpd, "dir_remove(did:%u,'%s'): {removing}",
+ ntohl(dir->d_did), cfrombstring(dir->d_fullpath));
-/* ------------------ */
-static hash_val_t hash_fun_dir(const void *key)
-{
-const struct dir *k = key;
-
- static unsigned long randbox[] = {
- 0x49848f1bU, 0xe6255dbaU, 0x36da5bdcU, 0x47bf94e9U,
- 0x8cbcce22U, 0x559fc06aU, 0xd268f536U, 0xe10af79aU,
- 0xc1af4d69U, 0x1d2917b5U, 0xec4c304dU, 0x9ee5016cU,
- 0x69232f74U, 0xfead7bb3U, 0xe9089ab6U, 0xf012f6aeU,
- };
-
- const unsigned char *str = k->d_u_name;
- hash_val_t acc = 0;
-
- while (*str) {
- acc ^= randbox[(*str + acc) & 0xf];
- acc = (acc << 1) | (acc >> 31);
- acc &= 0xffffffffU;
- acc ^= randbox[((*str++ >> 4) + acc) & 0xf];
- acc = (acc << 2) | (acc >> 30);
- acc &= 0xffffffffU;
- }
- return acc;
+ dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 3 */
+ dir_free(dir); /* 4 */
+
+ return 0;
}
-/* ---------------- */
-static int hash_comp_dir(const void *key1, const void *key2)
+/*!
+ * @brief Modify a struct dir, adjust cache
+ *
+ * Any value that is 0 or NULL is not changed. If new_uname is NULL it is set to new_mname.
+ * If given new_uname == new_mname, new_uname will point to new_mname.
+ *
+ * @param vol (r) pointer to struct vol
+ * @param dir (rw) pointer to struct dir
+ * @param pdid (r) new parent DID
+ * @param did (r) new DID
+ * @param new_mname (r) new mac-name
+ * @param new_uname (r) new unix-name
+ */
+int dir_modify(const struct vol *vol,
+ struct dir *dir,
+ cnid_t pdid,
+ cnid_t did,
+ const char *new_mname,
+ const char *new_uname,
+ bstring pdir_fullpath)
{
-const struct dir *k1 = key1;
-const struct dir *k2 = key2;
+ int ret = 0;
- return !(k1->d_parent->d_did == k2->d_parent->d_did && !strcmp(k1->d_u_name, k2->d_u_name));
-}
+ /* Remove it from the cache */
+ dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX);
-/* ---------------- */
-hash_t *
-dirhash(void)
-{
- return hash_create(HASHCOUNT_T_MAX, hash_comp_dir, hash_fun_dir);
-}
+ if (pdid)
+ dir->d_pdid = pdid;
+ if (did)
+ dir->d_did = did;
-/* ------------------ */
-static struct path *invalidate (const struct vol *vol, struct dir *dir, struct path *ret)
-{
- /* it's tricky:
- movecwd failed some of dir path are not there anymore.
- FIXME Is it true with other errors?
- so we remove dir from the cache
- */
- if (dir->d_did == DIRDID_ROOT_PARENT)
- return NULL;
- if (afp_errno == AFPERR_ACCESS) {
- if ( movecwd( vol, dir->d_parent ) < 0 ) {
- return NULL;
+ if (new_mname) {
+ /* free uname if it's not the same as mname */
+ if (dir->d_m_name != dir->d_u_name)
+ bdestroy(dir->d_u_name);
+
+ if (new_uname == NULL)
+ new_uname = new_mname;
+
+ /* assign new name */
+ if ((bassigncstr(dir->d_m_name, new_mname)) != BSTR_OK) {
+ LOG(log_error, logtype_afpd, "dir_modify: bassigncstr: %s", strerror(errno) );
+ return -1;
}
- /* FIXME should we set these?, don't need to call stat() after:
- ret->st_valid = 1;
- ret->st_errno = EACCES;
- */
- ret->m_name = dir->d_m_name;
- ret->u_name = dir->d_u_name;
- ret->d_dir = dir;
- return ret;
- } else if (afp_errno == AFPERR_NOOBJ) {
- if ( movecwd( vol, dir->d_parent ) < 0 ) {
- return NULL;
- }
- strcpy(ret->m_name, dir->d_m_name);
- if (dir->d_m_name == dir->d_u_name) {
- ret->u_name = ret->m_name;
- }
- else {
- size_t tp = strlen(ret->m_name)+1;
-
- ret->u_name = ret->m_name +tp;
- strcpy(ret->u_name, dir->d_u_name);
- }
- /* FIXME should we set :
- ret->st_valid = 1;
- ret->st_errno = ENOENT;
- */
- dir_invalidate(vol, dir);
- return ret;
- }
- dir_invalidate(vol, dir);
- return NULL;
+
+ if (new_mname == new_uname || (strcmp(new_mname, new_uname) == 0)) {
+ dir->d_u_name = dir->d_m_name;
+ } else {
+ if ((dir->d_u_name = bfromcstr(new_uname)) == NULL) {
+ LOG(log_error, logtype_afpd, "renamedir: bassigncstr: %s", strerror(errno) );
+ return -1;
+ }
+ }
+ }
+
+ if (pdir_fullpath) {
+ if (bassign(dir->d_fullpath, pdir_fullpath) != BSTR_OK)
+ return -1;
+ if (bcatcstr(dir->d_fullpath, "/") != BSTR_OK)
+ return -1;
+ if (bcatcstr(dir->d_fullpath, new_uname) != BSTR_OK)
+ return -1;
+ }
+
+ if (dir->d_m_name_ucs2)
+ free(dir->d_m_name_ucs2);
+ if ((size_t)-1 == convert_string_allocate((utf8_encoding())?CH_UTF8_MAC:vol->v_maccharset, CH_UCS2, dir->d_m_name, -1, (char**)&dir->d_m_name_ucs2))
+ dir->d_m_name_ucs2 = NULL;
+
+ /* Re-add it to the cache */
+ if ((dircache_add(dir)) != 0) {
+ dircache_dump();
+ exit(EXITERR_SYS);
+ }
+
+ return ret;
}
-/* -------------------------------------------------- */
-/* cname
- return
- if it's a filename:
- in extenddir:
- compute unix name
- stat the file or errno
- return
- filename
- curdir: filename parent directory
-
- if it's a dirname:
- not in the cache
- in extenddir
- compute unix name
- stat the dir or errno
- return
- if chdir error
- dirname
- curdir: dir parent directory
- sinon
- dirname: ""
- curdir: dir
- in the cache
- return
- if chdir error
- dirname
- curdir: dir parent directory
- else
- dirname: ""
- curdir: dir
-
-*/
-struct path *
-cname( vol, dir, cpath )
-const struct vol *vol;
-struct dir *dir;
-char **cpath;
+/*!
+ * @brief Resolve a catalog node name path
+ *
+ * 1. Evaluate path type
+ * 2. Move to start dir, if we cant, it might eg because of EACCES, build
+ * path from dirname, so eg getdirparams has sth it can chew on. curdir
+ * is dir parent then. All this is done in path_from_dir().
+ * 3. Parse next cnode name in path, cases:
+ * 4. single "\0" -> do nothing
+ * 5. two or more consecutive "\0" -> chdir("..") one or more times
+ * 6. cnode name -> copy it to path.m_name
+ * 7. Get unix name from mac name
+ * 8. Special handling of request with did 1
+ * 9. stat the cnode name
+ * 10. If it's not there, it's probably an afp_createfile|dir,
+ * return with curdir = dir parent, struct path = dirname
+ * 11. If it's there and it's a file, it must should be the last element of the requested
+ * path. Return with curdir = cnode name parent dir, struct path = filename
+ * 12. Treat symlinks like files, dont follow them
+ * 13. If it's a dir:
+ * 14. Search the dircache for it
+ * 15. If it's not in the cache, create a struct dir for it and add it to the cache
+ * 16. chdir into the dir and
+ * 17. set m_name to the mac equivalent of "."
+ * 18. goto 3
+ */
+struct path *cname(struct vol *vol, struct dir *dir, char **cpath)
{
- struct dir *cdir, *scdir=NULL;
- static char path[ MAXPATHLEN + 1];
+ static char path[ MAXPATHLEN + 1];
static struct path ret;
- char *data, *p;
- int extend = 0;
- int len;
+ struct dir *cdir;
+ char *data, *p;
+ int len;
u_int32_t hint;
u_int16_t len16;
int size = 0;
- char sep;
int toUTF8 = 0;
+ LOG(log_maxdebug, logtype_afpd, "came('%s'): {start}", cfrombstring(dir->d_fullpath));
+
data = *cpath;
afp_errno = AFPERR_NOOBJ;
memset(&ret, 0, sizeof(ret));
- switch (ret.m_type = *data) { /* path type */
+
+ switch (ret.m_type = *data) { /* 1 */
case 2:
- data++;
- len = (unsigned char) *data++;
- size = 2;
- sep = 0;
- if (afp_version >= 30) {
- ret.m_type = 3;
- toUTF8 = 1;
- }
- break;
+ data++;
+ len = (unsigned char) *data++;
+ size = 2;
+ if (afp_version >= 30) {
+ ret.m_type = 3;
+ toUTF8 = 1;
+ }
+ break;
case 3:
- if (afp_version >= 30) {
- data++;
- memcpy(&hint, data, sizeof(hint));
- hint = ntohl(hint);
- data += sizeof(hint);
-
- memcpy(&len16, data, sizeof(len16));
- len = ntohs(len16);
- data += 2;
- size = 7;
- sep = 0; /* '/';*/
- break;
+ if (afp_version >= 30) {
+ data++;
+ memcpy(&hint, data, sizeof(hint));
+ hint = ntohl(hint);
+ data += sizeof(hint);
+
+ memcpy(&len16, data, sizeof(len16));
+ len = ntohs(len16);
+ data += 2;
+ size = 7;
+ break;
}
/* else it's an error */
default:
return( NULL );
}
*cpath += len + size;
- *path = '\0';
+
+ path[0] = 0;
ret.m_name = path;
- for ( ;; ) {
- if ( len == 0 ) {
- if (movecwd( vol, dir ) < 0 ) {
- return invalidate(vol, dir, &ret );
- }
- if (*path == '\0') {
- ret.u_name = ".";
- ret.d_dir = dir;
- }
- return &ret;
- }
- if (*data == sep ) {
+ if (movecwd(vol, dir) < 0 ) {
+ LOG(log_debug, logtype_afpd, "cname(did:%u): failed to chdir to '%s'",
+ ntohl(dir->d_did), cfrombstring(dir->d_fullpath));
+ if (len == 0)
+ return path_from_dir(vol, dir, &ret);
+ else
+ return NULL;
+ }
+
+ while (len) { /* 3 */
+ if (*data == 0) { /* 4 or 5 */
data++;
len--;
- }
- while (*data == sep && len > 0 ) {
- if ( dir->d_parent == NULL ) {
- return NULL;
+ while (len > 0 && *data == 0) { /* 5 */
+ /* chdir to parrent dir */
+ if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
+ return NULL;
+ if (movecwd( vol, dir ) < 0 ) {
+ dir_remove(vol, dir);
+ return NULL;
+ }
+ data++;
+ len--;
}
- dir = dir->d_parent;
- data++;
- len--;
+ continue;
}
- /* would this be faster with strlen + strncpy? */
- p = path;
- while ( *data != sep && len > 0 ) {
+ /* 6*/
+ for ( p = path; *data != 0 && len > 0; len-- ) {
*p++ = *data++;
if (p > &path[ MAXPATHLEN]) {
afp_errno = AFPERR_PARAM;
- return( NULL );
+ return NULL;
}
- len--;
}
+ *p = 0; /* Terminate string */
+ ret.u_name = NULL;
- /* short cut bits by chopping off a trailing \0. this also
- makes the traversal happy w/ filenames at the end of the
- cname. */
- if (len == 1)
- len--;
+ if (cname_mtouname(vol, dir, &ret, toUTF8) != 0) { /* 7 */
+ LOG(log_error, logtype_afpd, "cname('%s'): error from cname_mtouname", path);
+ return NULL;
+ }
- *p = '\0';
+ LOG(log_maxdebug, logtype_afpd, "came('%s'): {node: '%s}", cfrombstring(dir->d_fullpath), ret.u_name);
- if ( p == path ) { /* end of the name parameter */
- continue;
+ /* Prevent access to our special folders like .AppleDouble */
+ if (check_name(vol, ret.u_name)) {
+ /* the name is illegal */
+ LOG(log_info, logtype_afpd, "cname: illegal path: '%s'", ret.u_name);
+ afp_errno = AFPERR_PARAM;
+ return NULL;
}
- ret.u_name = NULL;
- if (afp_version >= 30) {
- char *t;
- cnid_t fileid;
-
- if (toUTF8) {
- static char temp[ MAXPATHLEN + 1];
- if (dir->d_did == DIRDID_ROOT_PARENT) {
- /*
- With uft8 volume name is utf8-mac, but requested path may be a mangled longname. See #2611981.
- So we compare it with the longname from the current volume and if they match
- we overwrite the requested path with the utf8 volume name so that the following
- strcmp can match.
- */
- ucs2_to_charset(vol->v_maccharset, vol->v_macname, temp, AFPVOL_MACNAMELEN + 1);
- if (strcasecmp( path, temp) == 0)
- ucs2_to_charset(CH_UTF8_MAC, vol->v_u8mname, path, AFPVOL_U8MNAMELEN);
- } else {
- /* toUTF8 */
- if (mtoUTF8(vol, path, strlen(path), temp, MAXPATHLEN) == (size_t)-1) {
- afp_errno = AFPERR_PARAM;
- return( NULL );
- }
- strcpy(path, temp);
+ if (dir->d_did == DIRDID_ROOT_PARENT) { /* 8 */
+ /*
+ * Special case: CNID 1
+ * root parent (did 1) has one child: the volume. Requests for did=1 with
+ * some <name> must check against the volume name.
+ */
+ if ((strcmp(cfrombstring(vol->v_root->d_m_name), ret.m_name)) == 0)
+ cdir = vol->v_root;
+ else
+ return NULL;
+ } else {
+ /*
+ * CNID != 1, eg. most of the times we take this way.
+ * Now check if current path-part is a file or dir:
+ * o if it's dir we have to step into it
+ * o if it's a file we expect it to be the last part of the requested path
+ * and thus call continue which should terminate the while loop because
+ * len = 0. Ok?
+ */
+ if (of_stat(&ret) != 0) { /* 9 */
+ /*
+ * ret.u_name doesn't exist, might be afp_createfile|dir
+ * that means it should have been the last part
+ */
+ if (len > 0) {
+ /* it wasn't the last part, so we have a bogus path request */
+ afp_errno = AFPERR_NOOBJ;
+ return NULL;
}
- }
- /* check for OS X mangled filename :( */
-
- t = demangle_osx(vol, path, dir->d_did, &fileid);
- if (t != path) {
- ret.u_name = t;
- /* duplicate work but we can't reuse all convert_char we did in demangle_osx
- * flags weren't the same
+ /*
+ * this will terminate clean in while (1) because len == 0,
+ * probably afp_createfile|dir
*/
- if ( (t = utompath(vol, ret.u_name, fileid, utf8_encoding())) ) {
- /* at last got our view of mac name */
- strcpy(path,t);
- }
- }
- }
- if (ret.u_name == NULL) {
- if (!(ret.u_name = mtoupath(vol, ret.m_name, dir->d_did, utf8_encoding()))) {
- afp_errno = AFPERR_PARAM;
- return NULL;
+ LOG(log_maxdebug, logtype_afpd, "came('%s'): {leave-cnode ENOENT (possile create request): '%s'}", cfrombstring(dir->d_fullpath), ret.u_name);
+ continue; /* 10 */
}
- }
- if ( !extend ) {
- ucs2_t *tmpname;
- cdir = dir->d_child;
- scdir = NULL;
- if ( cdir && (vol->v_flags & AFPVOL_CASEINSEN) &&
- (size_t)-1 != convert_string_allocate(((ret.m_type == 3)?CH_UTF8_MAC:vol->v_maccharset),
- CH_UCS2, path, strlen(path), (char **)&tmpname) )
- {
- while (cdir) {
- if (!cdir->d_m_name_ucs2) {
- LOG(log_error, logtype_afpd, "cname: no UCS2 name for %s (did %u)!!!", cdir->d_m_name, ntohl(cdir->d_did) );
- /* this shouldn't happen !!!! */
- goto noucsfallback;
- }
- if ( strcmp_w( cdir->d_m_name_ucs2, tmpname ) == 0 ) {
- break;
- }
- if ( strcasecmp_w( cdir->d_m_name_ucs2, tmpname ) == 0 ) {
- scdir = cdir;
- }
- cdir = (cdir == dir->d_child->d_prev) ? NULL :cdir->d_next;
- }
- free(tmpname);
- }
- else {
-noucsfallback:
- if (dir->d_did == DIRDID_ROOT_PARENT) {
- /*
- root parent (did 1) has one child: the volume. Requests for did=1 with some <name>
- must check against the volume name.
- */
- if (!strcmp(vol->v_dir->d_m_name, ret.m_name))
- cdir = vol->v_dir;
- else
- cdir = NULL;
+ switch (ret.st.st_mode & S_IFMT) {
+ case S_IFREG: /* 11 */
+ LOG(log_debug, logtype_afpd, "came('%s'): {file: '%s'}", cfrombstring(dir->d_fullpath), ret.u_name);
+ if (len > 0) {
+ /* it wasn't the last part, so we have a bogus path request */
+ afp_errno = AFPERR_PARAM;
+ return NULL;
}
- else {
- cdir = dirsearch_byname(vol, dir, ret.u_name);
+ continue; /* continues while loop */
+ case S_IFLNK: /* 12 */
+ LOG(log_debug, logtype_afpd, "came('%s'): {link: '%s'}", cfrombstring(dir->d_fullpath), ret.u_name);
+ if (len > 0) {
+ LOG(log_warning, logtype_afpd, "came('%s'): {symlinked dir: '%s'}", cfrombstring(dir->d_fullpath), ret.u_name);
+ afp_errno = AFPERR_PARAM;
+ return NULL;
}
- }
-
- if (cdir == NULL && scdir != NULL) {
- cdir = scdir;
- /* LOG(log_debug, logtype_afpd, "cname: using casediff for %s, (%s = %s)", fullpathname(cdir->d_u_name), cdir->d_m_name, path ); */
+ continue; /* continues while loop */
+ case S_IFDIR: /* 13 */
+ break;
+ default:
+ LOG(log_info, logtype_afpd, "cname: special file: '%s'", ret.u_name);
+ afp_errno = AFPERR_NODIR;
+ return NULL;
}
- if ( cdir == NULL ) {
- ++extend;
- /* if dir == curdir it always succeed,
- even if curdir is deleted.
- it's not a pb because it will fail in extenddir
- */
- if ( movecwd( vol, dir ) < 0 ) {
- /* dir is not valid anymore
- we delete dir from the cache and abort.
- */
- if ( dir->d_did == DIRDID_ROOT_PARENT) {
- afp_errno = AFPERR_NOOBJ;
- return NULL;
- }
- if (afp_errno == AFPERR_ACCESS)
- return NULL;
- dir_invalidate(vol, dir);
+ /* Search the cache */
+ int unamelen = strlen(ret.u_name);
+ cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
+ if (cdir == NULL) {
+ /* Not in cache, create one */
+ if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
+ LOG(log_error, logtype_afpd, "cname(did:%u, name:'%s', cwd:'%s'): failed to add dir",
+ ntohl(dir->d_did), ret.u_name, getcwdpath());
return NULL;
}
- cdir = extenddir( vol, dir, &ret );
}
+ } /* if/else cnid==1 */
+
+ /* Now chdir to the evaluated dir */
+ if (movecwd( vol, cdir ) < 0 ) { /* 16 */
+ LOG(log_debug, logtype_afpd, "cname(cwd:'%s'): failed to chdir to new subdir '%s': %s",
+ cfrombstring(curdir->d_fullpath), cfrombstring(cdir->d_fullpath), strerror(errno));
+ if (len == 0)
+ return path_from_dir(vol, cdir, &ret);
+ else
+ return NULL;
+ }
+ dir = cdir;
+ ret.m_name[0] = 0; /* 17, so we later know last token was a dir */
+ } /* while (len) */
- } else {
- cdir = extenddir( vol, dir, &ret );
- } /* if (!extend) */
+ if (curdir->d_did == DIRDID_ROOT_PARENT) {
+ afp_errno = AFPERR_DID1;
+ return NULL;
+ }
- if ( cdir == NULL ) {
+ if (ret.m_name[0] == 0) {
+ /* Last part was a dir */
+ ret.u_name = mtoupath(vol, ret.m_name, 0, 1); /* Force "." into a useable static buffer */
+ ret.d_dir = dir;
+ }
- if ( len > 0 || !ret.u_name ) {
- return NULL;
- }
+ LOG(log_debug, logtype_afpd, "came('%s') {end: curdir:'%s', path:'%s'}",
+ cfrombstring(dir->d_fullpath),
+ cfrombstring(curdir->d_fullpath),
+ ret.u_name);
- } else {
- dir = cdir;
- *path = '\0';
- }
- } /* for (;;) */
+ return &ret;
}
/*
- * Move curdir to dir, with a possible chdir()
+ * @brief chdir() to dir
+ *
+ * @param vol (r) pointer to struct vol
+ * @param dir (r) pointer to struct dir
+ *
+ * @returns 0 on success, -1 on error with afp_errno set appropiately
*/
-int movecwd( vol, dir)
-const struct vol *vol;
-struct dir *dir;
+int movecwd(const struct vol *vol, struct dir *dir)
{
- char path[MAXPATHLEN + 1];
- struct dir *d;
- char *p, *u;
- int n;
+ int ret;
+
+ AFP_ASSERT(vol);
+ AFP_ASSERT(dir);
- if ( dir == curdir ) {
+ LOG(log_maxdebug, logtype_afpd, "movecwd(curdir:'%s', cwd:'%s')",
+ cfrombstring(curdir->d_fullpath), getcwdpath());
+
+ if ( dir == curdir)
return( 0 );
- }
- if ( dir->d_did == DIRDID_ROOT_PARENT) {
- afp_errno = AFPERR_DID1; /* AFPERR_PARAM;*/
- return( -1 );
+ if (dir->d_did == DIRDID_ROOT_PARENT) {
+ curdir = &rootParent;
+ return 0;
}
- p = path + sizeof(path) - 1;
- *p-- = '\0';
- *p = '.';
- for ( d = dir; d->d_parent != NULL && d != curdir; d = d->d_parent ) {
- u = d->d_u_name;
- if (!u) {
- /* parent directory is deleted */
- afp_errno = AFPERR_NOOBJ;
- return -1;
- }
- n = strlen( u );
- if (p -n -1 < path) {
- afp_errno = AFPERR_PARAM;
- return -1;
- }
- *--p = '/';
- p -= n;
- memcpy( p, u, n );
- }
- if ( d != curdir ) {
- n = strlen( vol->v_path );
- if (p -n -1 < path) {
- afp_errno = AFPERR_PARAM;
+ LOG(log_debug, logtype_afpd, "movecwd(did:%u, '%s')", ntohl(dir->d_did), cfrombstring(dir->d_fullpath));
+
+ if ((ret = lchdir(cfrombstring(dir->d_fullpath))) != 0 ) {
+ LOG(log_debug, logtype_afpd, "movecwd('%s'): ret: %u, %s",
+ cfrombstring(dir->d_fullpath), ret, strerror(errno));
+ if (ret == 1) {
+ /* p is a symlink or getcwd failed */
+ afp_errno = AFPERR_BADTYPE;
+
+ if (chdir(vol->v_path ) < 0) {
+ LOG(log_error, logtype_afpd, "can't chdir back'%s': %s", vol->v_path, strerror(errno));
+ /* XXX what do we do here? */
+ }
+ curdir = vol->v_root;
return -1;
}
- *--p = '/';
- p -= n;
- memcpy( p, vol->v_path, n );
- }
- if ( chdir( p ) < 0 ) {
+
switch (errno) {
case EACCES:
case EPERM:
break;
default:
afp_errno = AFPERR_NOOBJ;
-
}
return( -1 );
}
+
curdir = dir;
return( 0 );
}
* We can't use unix file's perm to support Apple's inherited protection modes.
* If we aren't the file's owner we can't change its perms when moving it and smb
* nfs,... don't even try.
-*/
-#define AFP_CHECK_ACCESS
+ */
+#define AFP_CHECK_ACCESS
int check_access(char *path, int mode)
{
#ifdef AFP_CHECK_ACCESS
-struct maccess ma;
-char *p;
+ struct maccess ma;
+ char *p;
p = ad_dir(path);
if (!p)
- return -1;
+ return -1;
accessmode(p, &ma, curdir, NULL);
if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
/* --------------------- */
int file_access(struct path *path, int mode)
{
-struct maccess ma;
+ struct maccess ma;
accessmode(path->u_name, &ma, curdir, &path->st);
if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
dir->d_flags &= ~DIRF_CNID;
}
-/* ---------------------
- * is our cached offspring count valid?
-*/
-
-int diroffcnt(struct dir *dir, struct stat *st)
-{
- return st->st_ctime == dir->ctime;
-}
-/* ---------------------
+/* ---------------------
* is our cached also for reenumerate id?
-*/
-
+ */
int dirreenumerate(struct dir *dir, struct stat *st)
{
return st->st_ctime == dir->ctime && (dir->d_flags & DIRF_CNID);
}
-/* --------------------- */
-static int invisible_dots(const struct vol *vol, const char *name)
-{
- return vol_inv_dots(vol) && *name == '.' && strcmp(name, ".") && strcmp(name, "..");
-}
-
-/* ------------------------------
+/* ------------------------------
(".", curdir)
(name, dir) with curdir:name == dir, from afp_enumerate
*/
int getdirparams(const struct vol *vol,
u_int16_t bitmap, struct path *s_path,
- struct dir *dir,
- char *buf, int *buflen )
+ struct dir *dir,
+ char *buf, size_t *buflen )
{
- struct maccess ma;
- struct adouble ad;
- char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
- int bit = 0, isad = 0;
+ struct maccess ma;
+ struct adouble ad;
+ char *data, *l_nameoff = NULL, *utf_nameoff = NULL;
+ int bit = 0, isad = 0;
u_int32_t aint;
- u_int16_t ashort;
+ u_int16_t ashort;
int ret;
u_int32_t utf8 = 0;
cnid_t pdid;
struct stat *st = &s_path->st;
char *upath = s_path->u_name;
-
+
if ((bitmap & ((1 << DIRPBIT_ATTR) |
- (1 << DIRPBIT_CDATE) |
- (1 << DIRPBIT_MDATE) |
- (1 << DIRPBIT_BDATE) |
- (1 << DIRPBIT_FINFO)))) {
+ (1 << DIRPBIT_CDATE) |
+ (1 << DIRPBIT_MDATE) |
+ (1 << DIRPBIT_BDATE) |
+ (1 << DIRPBIT_FINFO)))) {
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if ( !ad_metadata( upath, ADFLAGS_DIR, &ad) ) {
+ if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
isad = 1;
+ if (ad.ad_md->adf_flags & O_CREAT) {
+ /* We just created it */
+ ad_setname(&ad, s_path->m_name);
+ ad_setid( &ad,
+ s_path->st.st_dev,
+ s_path->st.st_ino,
+ dir->d_did,
+ dir->d_pdid,
+ vol->v_stamp);
+ ad_flush( &ad);
+ }
}
}
-
- if ( dir->d_did == DIRDID_ROOT) {
- pdid = DIRDID_ROOT_PARENT;
- } else if (dir->d_did == DIRDID_ROOT_PARENT) {
- pdid = 0;
- } else {
- pdid = dir->d_parent->d_did;
- }
-
+
+ pdid = dir->d_pdid;
+
data = buf;
while ( bitmap != 0 ) {
while (( bitmap & 1 ) == 0 ) {
case DIRPBIT_ATTR :
if ( isad ) {
ad_getattr(&ad, &ashort);
- } else if (invisible_dots(vol, dir->d_u_name)) {
+ } else if (invisible_dots(vol, cfrombstring(dir->d_u_name))) {
ashort = htons(ATTRBIT_INVISIBLE);
} else
ashort = 0;
case DIRPBIT_PDID :
memcpy( data, &pdid, sizeof( pdid ));
data += sizeof( pdid );
+ LOG(log_debug, logtype_afpd, "metadata('%s'): Parent DID: %u",
+ s_path->u_name, ntohl(pdid));
break;
case DIRPBIT_CDATE :
memcpy(data + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
/* dot files are by default visible */
- if (invisible_dots(vol, dir->d_u_name)) {
+ if (invisible_dots(vol, cfrombstring(dir->d_u_name))) {
ashort = htons(FINDERINFO_INVISIBLE);
memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
}
case DIRPBIT_DID :
memcpy( data, &dir->d_did, sizeof( aint ));
data += sizeof( aint );
+ LOG(log_debug, logtype_afpd, "metadata('%s'): DID: %u",
+ s_path->u_name, ntohl(dir->d_did));
break;
case DIRPBIT_OFFCNT :
ashort = (dir->offcnt > 0xffff)?0xffff:dir->offcnt;
}
else if ((ret = for_each_dirent(vol, upath, NULL,NULL)) >= 0) {
- setdiroffcnt(dir, st, ret);
+ setdiroffcnt(dir, st, ret);
ashort = (dir->offcnt > 0xffff)?0xffff:dir->offcnt;
}
ashort = htons( ashort );
/* Client has requested the ProDOS information block.
Just pass back the same basic block for all
directories. <shirsch@ibm.net> */
- case DIRPBIT_PDINFO :
+ case DIRPBIT_PDINFO :
if (afp_version >= 30) { /* UTF8 name */
utf8 = kTextEncodingUTF8;
if (dir->d_m_name) /* root of parent can have a null name */
aint = htonl(st->st_gid);
memcpy( data, &aint, sizeof( aint ));
data += sizeof( aint );
-
- aint = st->st_mode;
- aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
- memcpy( data, &aint, sizeof( aint ));
- data += sizeof( aint );
+
+ aint = st->st_mode;
+ aint = htonl ( aint & ~S_ISGID ); /* Remove SGID, OSX doesn't like it ... */
+ memcpy( data, &aint, sizeof( aint ));
+ data += sizeof( aint );
accessmode( upath, &ma, dir , st);
*data++ = ma.ma_group;
*data++ = ma.ma_owner;
break;
-
+
default :
if ( isad ) {
ad_close_metadata( &ad );
if ( l_nameoff ) {
ashort = htons( data - buf );
memcpy( l_nameoff, &ashort, sizeof( ashort ));
- data = set_name(vol, data, pdid, dir->d_m_name, dir->d_did, 0);
+ data = set_name(vol, data, pdid, cfrombstring(dir->d_m_name), dir->d_did, 0);
}
if ( utf_nameoff ) {
ashort = htons( data - buf );
memcpy( utf_nameoff, &ashort, sizeof( ashort ));
- data = set_name(vol, data, pdid, dir->d_m_name, dir->d_did, utf8);
+ data = set_name(vol, data, pdid, cfrombstring(dir->d_m_name), dir->d_did, utf8);
}
if ( isad ) {
ad_close_metadata( &ad );
}
/* ----------------------------- */
-int afp_setdirparams(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj;
-char *ibuf, *rbuf _U_;
-int ibuflen _U_, *rbuflen;
+int afp_setdirparams(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 *path;
- u_int16_t vid, bitmap;
+ u_int16_t vid, bitmap;
u_int32_t did;
- int rc;
+ int rc;
*rbuflen = 0;
ibuf += 2;
ibuf += sizeof( bitmap );
if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
- return get_afp_errno(AFPERR_NOOBJ);
+ return get_afp_errno(AFPERR_NOOBJ);
}
if ( *path->m_name != '\0' ) {
}
/*
- * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
+ * cf AFP3.0.pdf page 244 for change_mdate and change_parent_mdate logic
*
* assume path == '\0' eg. it's a directory in canonical form
-*/
-
-struct path Cur_Path = {
- 0,
- "", /* mac name */
- ".", /* unix name */
- 0, /* id */
- NULL,/* struct dir */
- 0, /* stat is not set */
-};
-
-/* ------------------ */
-static int set_dir_errors(struct path *path, const char *where, int err)
-{
- switch ( err ) {
- case EPERM :
- case EACCES :
- return AFPERR_ACCESS;
- case EROFS :
- return AFPERR_VLOCK;
- }
- LOG(log_error, logtype_afpd, "setdirparam(%s): %s: %s", fullpathname(path->u_name), where, strerror(err) );
- return AFPERR_PARAM;
-}
-
-/* ------------------ */
-int setdirparams(const struct vol *vol,
- struct path *path, u_int16_t d_bitmap, char *buf )
+ */
+int setdirparams(struct vol *vol, struct path *path, u_int16_t d_bitmap, char *buf )
{
- struct maccess ma;
- struct adouble ad;
+ struct maccess ma;
+ struct adouble ad;
struct utimbuf ut;
struct timeval tv;
char *upath;
struct dir *dir;
- int bit, isad = 1;
+ int bit, isad = 1;
int cdate, bdate;
int owner, group;
- u_int16_t ashort, bshort;
+ u_int16_t ashort, bshort, oshort;
int err = AFP_OK;
int change_mdate = 0;
int change_parent_mdate = 0;
int newdate = 0;
u_int16_t bitmap = d_bitmap;
u_char finder_buf[32];
- u_int32_t upriv;
- mode_t mpriv = 0;
+ u_int32_t upriv;
+ mode_t mpriv = 0;
u_int16_t upriv_bit = 0;
bit = 0;
memcpy( finder_buf, buf, 32 );
buf += 32;
break;
- case DIRPBIT_UID : /* What kind of loser mounts as root? */
+ case DIRPBIT_UID : /* What kind of loser mounts as root? */
change_parent_mdate = 1;
memcpy( &owner, buf, sizeof(owner));
buf += sizeof( owner );
bitmap = 0;
}
break;
- /* Ignore what the client thinks we should do to the
- ProDOS information block. Skip over the data and
- report nothing amiss. <shirsch@ibm.net> */
+ /* Ignore what the client thinks we should do to the
+ ProDOS information block. Skip over the data and
+ report nothing amiss. <shirsch@ibm.net> */
case DIRPBIT_PDINFO :
if (afp_version < 30) {
buf += 6;
bitmap = 0;
}
break;
- case DIRPBIT_UNIXPR :
- if (vol_unix_priv(vol)) {
+ case DIRPBIT_UNIXPR :
+ if (vol_unix_priv(vol)) {
memcpy( &owner, buf, sizeof(owner)); /* FIXME need to change owner too? */
buf += sizeof( owner );
memcpy( &group, buf, sizeof( group ));
}
else {
/* do it later */
- upriv_bit = 1;
+ upriv_bit = 1;
}
break;
}
}
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (ad_open_metadata( upath, vol_noadouble(vol)|ADFLAGS_DIR, O_CREAT, &ad) < 0) {
+ if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
/*
* Check to see what we're trying to set. If it's anything
* but ACCESS, UID, or GID, give an error. If it's any of those
* to set our name, etc.
*/
if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
- ad_setname(&ad, curdir->d_m_name);
+ ad_setname(&ad, cfrombstring(curdir->d_m_name));
}
}
case DIRPBIT_ATTR :
if (isad) {
ad_getattr(&ad, &bshort);
- if ((bshort & htons(ATTRBIT_INVISIBLE)) !=
- (ashort & htons(ATTRBIT_INVISIBLE) & htons(ATTRBIT_SETCLR)) )
- change_parent_mdate = 1;
+ oshort = bshort;
if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
} else {
bshort &= ~ashort;
}
+ if ((bshort & htons(ATTRBIT_INVISIBLE)) != (oshort & htons(ATTRBIT_INVISIBLE)))
+ change_parent_mdate = 1;
ad_setattr(&ad, bshort);
}
break;
}
}
break;
- case DIRPBIT_UID : /* What kind of loser mounts as root? */
+ case DIRPBIT_UID : /* What kind of loser mounts as root? */
if ( (dir->d_did == DIRDID_ROOT) &&
- (setdeskowner( ntohl(owner), -1 ) < 0)) {
+ (setdeskowner( ntohl(owner), -1 ) < 0)) {
err = set_dir_errors(path, "setdeskowner", errno);
if (isad && err == AFPERR_PARAM) {
err = AFP_OK; /* ???*/
break;
case DIRPBIT_GID :
if (dir->d_did == DIRDID_ROOT)
- setdeskowner( -1, ntohl(group) );
+ setdeskowner( -1, ntohl(group) );
if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
err = set_dir_errors(path, "setdirowner", errno);
goto setdirparam_done;
goto setdirparam_done;
}
break;
- case DIRPBIT_UNIXPR :
- if (vol_unix_priv(vol)) {
+ case DIRPBIT_UNIXPR :
+ if (vol_unix_priv(vol)) {
if (dir->d_did == DIRDID_ROOT) {
if (!dir_rx_set(upriv)) {
/* we can't remove read and search for owner on volume root */
err = AFPERR_ACCESS;
goto setdirparam_done;
}
- setdeskowner( -1, ntohl(group) );
+ setdeskowner( -1, ntohl(group) );
setdeskmode( upriv );
}
if ( setdirowner(vol, upath, -1, ntohl(group) ) < 0 ) {
setdirparam_done:
if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
- newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
+ newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
}
if (newdate) {
- if (isad)
- ad_setdate(&ad, AD_DATE_MODIFY, newdate);
- ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
- utime(upath, &ut);
+ if (isad)
+ ad_setdate(&ad, AD_DATE_MODIFY, newdate);
+ ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
+ utime(upath, &ut);
}
if ( isad ) {
if (path->st_valid && !path->st_errno) {
struct stat *st = &path->st;
- if (dir && dir->d_parent) {
- ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_parent->d_did, vol->v_stamp);
+ if (dir && dir->d_pdid) {
+ ad_setid(&ad, st->st_dev, st->st_ino, dir->d_did, dir->d_pdid, vol->v_stamp);
}
}
ad_flush( &ad);
}
if (change_parent_mdate && dir->d_did != DIRDID_ROOT
- && gettimeofday(&tv, NULL) == 0) {
- if (!movecwd(vol, dir->d_parent)) {
- newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
- /* be careful with bitmap because now dir is null */
- bitmap = 1<<DIRPBIT_MDATE;
- setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
- /* should we reset curdir ?*/
- }
+ && gettimeofday(&tv, NULL) == 0) {
+ if (movecwd(vol, dirlookup(vol, dir->d_pdid)) == 0) {
+ newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
+ /* be careful with bitmap because now dir is null */
+ bitmap = 1<<DIRPBIT_MDATE;
+ setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
+ /* should we reset curdir ?*/
+ }
}
return err;
}
-int afp_syncdir(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj _U_;
-char *ibuf, *rbuf _U_;
-int ibuflen _U_, *rbuflen;
+int afp_syncdir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
#ifdef HAVE_DIRFD
DIR *dp;
memcpy( &did, ibuf, sizeof( did ));
ibuf += sizeof( did );
- /*
+ /*
* Here's the deal:
* if it's CNID 2 our only choice to meet the specs is call sync.
* For any other CNID just sync that dir. To my knowledge the
* intended use of FPSyncDir is to sync the volume so all we're
* ever going to see here is probably CNID 2. Anyway, we' prepared.
- */
+ */
if ( ntohl(did) == 2 ) {
sync();
if (NULL == ( dir = dirlookup( vol, did )) ) {
return afp_errno; /* was AFPERR_NOOBJ */
}
-
+
if (movecwd( vol, dir ) < 0 )
- return ( AFPERR_NOOBJ );
-
+ return ( AFPERR_NOOBJ );
+
/*
* Assuming only OSens that have dirfd also may require fsyncing directories
* in order to flush metadata e.g. Linux.
*/
-
+
#ifdef HAVE_DIRFD
if (NULL == ( dp = opendir( "." )) ) {
switch( errno ) {
case ENOENT :
return( AFPERR_NOOBJ );
case EACCES :
- return( AFPERR_ACCESS );
+ return( AFPERR_ACCESS );
default :
return( AFPERR_PARAM );
}
}
-
+
LOG(log_debug, logtype_afpd, "afp_syncdir: dir: '%s'", dir->d_u_name);
-
+
dfd = dirfd( dp );
if ( fsync ( dfd ) < 0 )
LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
dir->d_u_name, strerror(errno) );
closedir(dp); /* closes dfd too */
#endif
-
+
if ( -1 == (dfd = open(vol->ad_path(".", ADFLAGS_DIR), O_RDWR))) {
switch( errno ) {
case ENOENT:
return( AFPERR_NOOBJ );
- case EACCES:
- return( AFPERR_ACCESS );
+ case EACCES:
+ return( AFPERR_ACCESS );
default:
return( AFPERR_PARAM );
- }
+ }
}
-
+
LOG(log_debug, logtype_afpd, "afp_syncdir: ad-file: '%s'",
vol->ad_path(".", ADFLAGS_DIR) );
-
+
if ( fsync(dfd) < 0 )
LOG(log_error, logtype_afpd, "afp_syncdir(%s): %s",
- vol->ad_path(dir->d_u_name, ADFLAGS_DIR), strerror(errno) );
+ vol->ad_path(cfrombstring(dir->d_u_name), ADFLAGS_DIR), strerror(errno) );
close(dfd);
}
return ( AFP_OK );
}
-int afp_createdir(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj;
-char *ibuf, *rbuf;
-int ibuflen _U_, *rbuflen;
+int afp_createdir(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
- struct adouble ad;
- struct vol *vol;
- struct dir *dir;
- char *upath;
+ struct adouble ad;
+ struct vol *vol;
+ struct dir *dir;
+ char *upath;
struct path *s_path;
- u_int32_t did;
- u_int16_t vid;
+ u_int32_t did;
+ u_int16_t vid;
int err;
-
+
*rbuflen = 0;
ibuf += 2;
}
/* for concurrent access we need to be sure we are not in the
* folder we want to create...
- */
+ */
movecwd(vol, dir);
-
+
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_PARAM);
}
if (of_stat(s_path) < 0) {
return AFPERR_MISC;
}
+
curdir->offcnt++;
- if ((dir = adddir( vol, curdir, s_path)) == NULL) {
+
+ if ((dir = dir_add(vol, curdir, s_path, strlen(s_path->u_name))) == NULL) {
return AFPERR_MISC;
}
}
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (ad_open_metadata( ".", vol_noadouble(vol)|ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
+ if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
if (vol_noadouble(vol))
goto createdir_done;
return( AFPERR_ACCESS );
* dst new unix filename (not a pathname)
* newname new mac name
* newparent curdir
- *
-*/
-int renamedir(vol, src, dst, dir, newparent, newname)
-const struct vol *vol;
-char *src, *dst, *newname;
-struct dir *dir, *newparent;
+ * dirfd -1 means ignore dirfd (or use AT_FDCWD), otherwise src is relative to dirfd
+ */
+int renamedir(const struct vol *vol,
+ int dirfd,
+ char *src,
+ char *dst,
+ struct dir *dir,
+ struct dir *newparent,
+ char *newname)
{
- struct adouble ad;
- struct dir *parent;
- char *buf;
- int len, err;
-
+ struct adouble ad;
+ int err;
+
/* existence check moved to afp_moveandrename */
- if ( unix_rename( src, dst ) < 0 ) {
+ if ( unix_rename(dirfd, src, -1, dst ) < 0 ) {
switch ( errno ) {
case ENOENT :
return( AFPERR_NOOBJ );
case EXDEV:
/* this needs to copy and delete. bleah. that means we have
* to deal with entire directory hierarchies. */
- if ((err = copydir(vol, src, dst)) < 0) {
- deletedir(dst);
+ if ((err = copydir(vol, dirfd, src, dst)) < 0) {
+ deletedir(-1, dst);
return err;
}
- if ((err = deletedir(src)) < 0)
+ if ((err = deletedir(dirfd, src)) < 0)
return err;
break;
default :
}
}
- vol->vfs->rf_renamedir(vol, src, dst);
+ vol->vfs->vfs_renamedir(vol, dirfd, src, dst);
- len = strlen( newname );
- /* rename() succeeded so we need to update our tree even if we can't open
- * metadata
- */
-
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
ad_close_metadata( &ad);
}
- dir_hash_del(vol, dir);
- if (dir->d_m_name == dir->d_u_name)
- dir->d_u_name = NULL;
-
- if ((buf = (char *) realloc( dir->d_m_name, len + 1 )) == NULL ) {
- LOG(log_error, logtype_afpd, "renamedir: realloc mac name: %s", strerror(errno) );
- /* FIXME : fatal ? */
+ if (dir_modify(vol, dir, curdir->d_did, 0, newname, dst, curdir->d_fullpath) != 0) {
+ LOG(log_error, logtype_afpd, "renamedir: fatal error from dir_modify: %s -> %s", src, dst);
return AFPERR_MISC;
}
- dir->d_m_name = buf;
- strcpy( dir->d_m_name, newname );
-
- if (newname == dst) {
- free(dir->d_u_name);
- dir->d_u_name = dir->d_m_name;
- }
- else {
- if ((buf = (char *) realloc( dir->d_u_name, strlen(dst) + 1 )) == NULL ) {
- LOG(log_error, logtype_afpd, "renamedir: realloc unix name: %s", strerror(errno) );
- return AFPERR_MISC;
- }
- dir->d_u_name = buf;
- strcpy( dir->d_u_name, dst );
- }
-
- if (dir->d_m_name_ucs2)
- free(dir->d_m_name_ucs2);
-
- dir->d_m_name_ucs2 = NULL;
- if ((size_t)-1 == convert_string_allocate((utf8_encoding())?CH_UTF8_MAC:vol->v_maccharset, CH_UCS2, dir->d_m_name, strlen(dir->d_m_name), (char**)&dir->d_m_name_ucs2))
- dir->d_m_name_ucs2 = NULL;
-
- if (( parent = dir->d_parent ) == NULL ) {
- return( AFP_OK );
- }
- if ( parent == newparent ) {
- hash_alloc_insert(vol->v_hash, dir, dir);
- return( AFP_OK );
- }
- /* detach from old parent and add to new one. */
- dirchildremove(parent, dir);
- dir->d_parent = newparent;
- dirchildadd(vol, newparent, dir);
return( AFP_OK );
}
/* delete an empty directory */
-int deletecurdir( vol)
-const struct vol *vol;
+int deletecurdir(struct vol *vol)
{
struct dirent *de;
struct stat st;
- struct dir *fdir;
+ struct dir *fdir;
DIR *dp;
- struct adouble ad;
- u_int16_t ashort;
+ struct adouble ad;
+ u_int16_t ashort;
int err;
- if ( curdir->d_parent == NULL ) {
+ if ( dirlookup(vol, curdir->d_pdid) == NULL ) {
return( AFPERR_ACCESS );
}
fdir = curdir;
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
+ /* we never want to create a resource fork here, we are going to delete it */
if ( ad_metadata( ".", ADFLAGS_DIR, &ad) == 0 ) {
ad_getattr(&ad, &ashort);
- ad_close( &ad, ADFLAGS_HF );
+ ad_close_metadata(&ad);
if ((ashort & htons(ATTRBIT_NODELETE))) {
return AFPERR_OLOCK;
}
}
- err = vol->vfs->rf_deletecurdir(vol);
+ err = vol->vfs->vfs_deletecurdir(vol);
if (err) {
return err;
}
/* bail if it's not a symlink */
if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
- closedir(dp);
+ closedir(dp);
return AFPERR_DIRNEMPT;
}
if ((err = netatalk_unlink(de->d_name))) {
- closedir(dp);
- return err;
+ closedir(dp);
+ return err;
}
}
}
- if ( movecwd( vol, curdir->d_parent ) < 0 ) {
+ if ( movecwd(vol, dirlookup(vol, curdir->d_pdid)) < 0 ) {
err = afp_errno;
goto delete_done;
}
- if ( !(err = netatalk_rmdir(fdir->d_u_name))) {
- dirchildremove(curdir, fdir);
+ err = netatalk_rmdir_all_errors(-1, cfrombstring(fdir->d_u_name));
+ if ( err == AFP_OK || err == AFPERR_NOOBJ) {
cnid_delete(vol->v_cdb, fdir->d_did);
dir_remove( vol, fdir );
- err = AFP_OK;
}
delete_done:
if (dp) {
/* inode is used as key for cnid.
* Close the descriptor only after cnid_delete
- * has been called.
- */
+ * has been called.
+ */
closedir(dp);
}
return err;
}
-int afp_mapid(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj;
-char *ibuf, *rbuf;
-int ibuflen _U_, *rbuflen;
+int afp_mapid(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
- struct passwd *pw;
- struct group *gr;
- char *name;
+ struct passwd *pw;
+ struct group *gr;
+ char *name;
u_int32_t id;
- int len, sfunc;
+ int len, sfunc;
int utf8 = 0;
- uuidtype_t type;
ibuf++;
sfunc = (unsigned char) *ibuf++;
utf8 = 1;
}
- switch ( sfunc ) {
- case 1 :
- case 3 :/* unicode */
- memcpy( &id, ibuf, sizeof( id ));
- id = ntohl(id);
- if ( id != 0 ) {
+ switch ( sfunc ) {
+ case 1 :
+ case 3 :/* unicode */
+ memcpy( &id, ibuf, sizeof( id ));
+ id = ntohl(id);
+ if ( id != 0 ) {
if (( pw = getpwuid( id )) == NULL ) {
return( AFPERR_NOITEM );
}
- len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
- pw->pw_name, strlen(pw->pw_name), &name);
- } else {
- len = 0;
- name = NULL;
- }
- break;
- case 2 :
- case 4 : /* unicode */
- memcpy( &id, ibuf, sizeof( id ));
- id = ntohl(id);
- if ( id != 0 ) {
+ len = convert_string_allocate( obj->options.unixcharset, ((!utf8)?obj->options.maccharset:CH_UTF8_MAC),
+ pw->pw_name, -1, &name);
+ } else {
+ len = 0;
+ name = NULL;
+ }
+ break;
+ case 2 :
+ case 4 : /* unicode */
+ memcpy( &id, ibuf, sizeof( id ));
+ id = ntohl(id);
+ if ( id != 0 ) {
if (NULL == ( gr = (struct group *)getgrgid( id ))) {
return( AFPERR_NOITEM );
}
- len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
- gr->gr_name, strlen(gr->gr_name), &name);
- } else {
- len = 0;
- name = NULL;
- }
- break;
+ len = convert_string_allocate( obj->options.unixcharset, (!utf8)?obj->options.maccharset:CH_UTF8_MAC,
+ gr->gr_name, -1, &name);
+ } else {
+ len = 0;
+ name = NULL;
+ }
+ break;
#ifdef HAVE_NFSv4_ACLS
case 5 : /* UUID -> username */
case 6 : /* UUID -> groupname */
- if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
- return AFPERR_PARAM;
- LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
- len = getnamefromuuid( ibuf, &name, &type);
- if (len != 0) /* its a error code, not len */
- return AFPERR_NOITEM;
- if (type == UUID_USER) {
- if (( pw = getpwnam( name )) == NULL )
- return( AFPERR_NOITEM );
- LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
- id = htonl(UUID_USER);
- memcpy( rbuf, &id, sizeof( id ));
- id = htonl( pw->pw_uid);
- rbuf += sizeof( id );
- memcpy( rbuf, &id, sizeof( id ));
- rbuf += sizeof( id );
- *rbuflen = 2 * sizeof( id );
- } else { /* type == UUID_GROUP */
+ if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
+ return AFPERR_PARAM;
+ LOG(log_debug, logtype_afpd, "afp_mapid: valid UUID request");
+ uuidtype_t type;
+ len = getnamefromuuid( ibuf, &name, &type);
+ if (len != 0) /* its a error code, not len */
+ return AFPERR_NOITEM;
+ if (type == UUID_USER) {
+ if (( pw = getpwnam( name )) == NULL )
+ return( AFPERR_NOITEM );
+ LOG(log_debug, logtype_afpd, "afp_mapid: name:%s -> uid:%d", name, pw->pw_uid);
+ id = htonl(UUID_USER);
+ memcpy( rbuf, &id, sizeof( id ));
+ id = htonl( pw->pw_uid);
+ rbuf += sizeof( id );
+ memcpy( rbuf, &id, sizeof( id ));
+ rbuf += sizeof( id );
+ *rbuflen = 2 * sizeof( id );
+ } else { /* type == UUID_GROUP */
if (( gr = getgrnam( name )) == NULL )
return( AFPERR_NOITEM );
- LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
- id = htonl(UUID_GROUP);
- memcpy( rbuf, &id, sizeof( id ));
- rbuf += sizeof( id );
- id = htonl( gr->gr_gid);
- memcpy( rbuf, &id, sizeof( id ));
- rbuf += sizeof( id );
- *rbuflen = 2 * sizeof( id );
- }
- break;
-#endif
- default :
- return( AFPERR_PARAM );
+ LOG(log_debug, logtype_afpd, "afp_mapid: group:%s -> gid:%d", name, gr->gr_gid);
+ id = htonl(UUID_GROUP);
+ memcpy( rbuf, &id, sizeof( id ));
+ rbuf += sizeof( id );
+ id = htonl( gr->gr_gid);
+ memcpy( rbuf, &id, sizeof( id ));
+ rbuf += sizeof( id );
+ *rbuflen = 2 * sizeof( id );
}
+ break;
+#endif
+ default :
+ return( AFPERR_PARAM );
+ }
+
+ if (name)
+ len = strlen( name );
- if (name)
- len = strlen( name );
-
if (utf8) {
u_int16_t tp = htons(len);
memcpy(rbuf, &tp, sizeof(tp));
}
*rbuflen += len;
if (name)
- free(name);
+ free(name);
return( AFP_OK );
}
-int afp_mapname(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj _U_;
-char *ibuf, *rbuf;
-int ibuflen _U_, *rbuflen;
+int afp_mapname(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
- struct passwd *pw;
- struct group *gr;
+ struct passwd *pw;
+ struct group *gr;
int len, sfunc;
u_int32_t id;
u_int16_t ulen;
*rbuflen = 0;
LOG(log_debug, logtype_afpd, "afp_mapname: sfunc: %d, afp_version: %d", sfunc, afp_version);
switch ( sfunc ) {
- case 1 :
+ case 1 :
case 2 : /* unicode */
if (afp_version < 30) {
return( AFPERR_PARAM );
memcpy(&ulen, ibuf, sizeof(ulen));
len = ntohs(ulen);
ibuf += 2;
- LOG(log_debug, logtype_afpd, "afp_mapname: alive");
+ LOG(log_debug, logtype_afpd, "afp_mapname: alive");
break;
case 3 :
case 4 :
ibuf[ len ] = '\0';
if ( len == 0 )
- return AFPERR_PARAM;
+ return AFPERR_PARAM;
else {
switch ( sfunc ) {
case 1 : /* unicode */
return( AFPERR_NOITEM );
}
id = pw->pw_uid;
- id = htonl(id);
- memcpy( rbuf, &id, sizeof( id ));
- *rbuflen = sizeof( id );
+ id = htonl(id);
+ memcpy( rbuf, &id, sizeof( id ));
+ *rbuflen = sizeof( id );
break;
case 2 : /* unicode */
case 4 :
- LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
+ LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s",ibuf);
if (NULL == ( gr = (struct group *)getgrnam( ibuf ))) {
return( AFPERR_NOITEM );
}
id = gr->gr_gid;
- LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
- id = htonl(id);
- memcpy( rbuf, &id, sizeof( id ));
- *rbuflen = sizeof( id );
- break;
+ LOG(log_debug, logtype_afpd, "afp_mapname: gettgrnam for name: %s -> id: %d",ibuf, id);
+ id = htonl(id);
+ memcpy( rbuf, &id, sizeof( id ));
+ *rbuflen = sizeof( id );
+ break;
#ifdef HAVE_NFSv4_ACLS
- case 5 : /* username -> UUID */
- LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
- if (0 != getuuidfromname(ibuf, UUID_USER, rbuf))
- return AFPERR_NOITEM;
- *rbuflen = UUID_BINSIZE;
- break;
- case 6 : /* groupname -> UUID */
- LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
- if (0 != getuuidfromname(ibuf, UUID_GROUP, rbuf))
- return AFPERR_NOITEM;
- *rbuflen = UUID_BINSIZE;
- break;
+ case 5 : /* username -> UUID */
+ LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
+ if (0 != getuuidfromname(ibuf, UUID_USER, rbuf))
+ return AFPERR_NOITEM;
+ *rbuflen = UUID_BINSIZE;
+ break;
+ case 6 : /* groupname -> UUID */
+ LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
+ if (0 != getuuidfromname(ibuf, UUID_GROUP, rbuf))
+ return AFPERR_NOITEM;
+ *rbuflen = UUID_BINSIZE;
+ break;
#endif
}
}
}
/* ------------------------------------
- variable DID support
+ variable DID support
*/
-int afp_closedir(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj _U_;
-char *ibuf _U_, *rbuf _U_;
-int ibuflen _U_, *rbuflen;
+int afp_closedir(AFPObj *obj _U_, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
#if 0
struct vol *vol;
return AFP_OK;
}
-/* did creation gets done automatically
+/* did creation gets done automatically
* there's a pb again with case but move it to cname
-*/
-int afp_opendir(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj _U_;
-char *ibuf, *rbuf;
-int ibuflen _U_, *rbuflen;
+ */
+int afp_opendir(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
- struct vol *vol;
- struct dir *parentdir;
- struct path *path;
- u_int32_t did;
- u_int16_t vid;
+ struct vol *vol;
+ struct dir *parentdir;
+ struct path *path;
+ u_int32_t did;
+ u_int16_t vid;
*rbuflen = 0;
ibuf += 2;
}
if ( *path->m_name != '\0' ) {
- return path_error(path, AFPERR_NOOBJ);
+ return path_error(path, AFPERR_NOOBJ);
}
if ( !path->st_valid && of_stat(path ) < 0 ) {