#include <atalk/unix.h>
#include <atalk/bstrlib.h>
#include <atalk/bstradd.h>
+#include <atalk/errchk.h>
#include "directory.h"
#include "dircache.h"
/* As long as directory.c hasn't got its own init call, this get initialized in dircache_init */
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 */
+ NULL, 0, 0, /* qidx_node, ctime, d_flags */
0, 0, 0, 0 /* pdid, did, offcnt, d_vid */
};
struct dir *curdir = &rootParent;
{0} /* struct stat */
};
+/*
+ * dir_remove queues struct dirs to be freed here. We can't just delete them immeidately
+ * eg in dircache_search_by_id, because a caller somewhere up the stack might be
+ * referencing it.
+ * So instead:
+ * - we mark it as invalid by setting d_did to CNID_INVALID (ie 0)
+ * - queue it in "invalid_dircache_entries" queue
+ * - which is finally freed at the end of every AFP func in afp_dsi.c.
+ */
+q_t *invalid_dircache_entries;
+
/*******************************************************************************************
* Locals
{
static char temp[ MAXPATHLEN + 1];
char *t;
- cnid_t fileid;
+ cnid_t fileid = 0;
if (afp_version >= 30) {
if (toUTF8) {
return param;
}
+/*!
+ * Resolve struct dir for an absolute path
+ *
+ * Given a path like "/Volumes/volume/dir/subdir" in a volume "/Volumes/volume" return
+ * a pointer to struct dir of "subdir".
+ * 1. Remove volue path from absolute path
+ * 2. start path
+ * 3. loop through all elements of the remaining path from 1.
+ * 4. we only allow dirs
+ * 5. search dircache
+ * 6. if not found in the dircache query the CNID database for the DID
+ * 7. and use dirlookup to resolve the DID to a it's struct dir *
+ *
+ * @param vol (r) volume the path is in, must be known
+ * @param path (r) absoule path
+ *
+ * @returns pointer to struct dir or NULL on error
+ */
+struct dir *dirlookup_bypath(const struct vol *vol, const char *path)
+{
+ EC_INIT;
+
+ struct dir *dir = NULL;
+ cnid_t cnid, did;
+ bstring rpath = NULL;
+ bstring statpath = NULL;
+ struct bstrList *l = NULL;
+ struct stat st;
+
+ cnid = htonl(2);
+ dir = vol->v_root;
+
+ EC_NULL(rpath = rel_path_in_vol(path, vol->v_path)); /* 1. */
+ EC_NULL(statpath = bfromcstr(vol->v_path)); /* 2. */
+
+ l = bsplit(rpath, '/');
+ for (int i = 0; i < l->qty ; i++) { /* 3. */
+ did = cnid;
+ EC_ZERO(bconcat(statpath, l->entry[i]));
+ EC_ZERO_LOGSTR(lstat(cfrombstr(statpath), &st),
+ "lstat(rpath: %s, elem: %s): %s: %s",
+ cfrombstr(rpath), cfrombstr(l->entry[i]),
+ cfrombstr(statpath), strerror(errno));
+
+ if (!(S_ISDIR(st.st_mode))) /* 4. */
+ EC_FAIL;
+
+ if ((dir = dircache_search_by_name(vol, /* 5. */
+ dir,
+ cfrombstr(l->entry[i]),
+ blength(l->entry[i]),
+ st.st_ctime)) == NULL) {
+ if ((cnid = cnid_add(vol->v_cdb, /* 6. */
+ &st,
+ did,
+ cfrombstr(l->entry[i]),
+ blength(l->entry[i]),
+ 0)) == CNID_INVALID) {
+ EC_FAIL;
+ }
+
+ if ((dir = dirlookup(vol, cnid)) == NULL) /* 7. */
+ EC_FAIL;
+ }
+
+ EC_ZERO(bcatcstr(statpath, "/"));
+ }
+
+EC_CLEANUP:
+ bdestroy(rpath);
+ bstrListDestroy(l);
+ bdestroy(statpath);
+ if (ret != 0)
+ return NULL;
+
+ return dir;
+}
+
/*!
* @brief Resolve a DID
*
* @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)
{
int utf8;
int err = 0;
- LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {start}", ntohl(did));
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u)", ntohl(did));
/* check for did 0, 1 and 2 */
if (did == 0 || vol == NULL) { /* 1 */
afp_errno = AFPERR_PARAM;
- return NULL;
+ ret = NULL;
+ goto exit;
} else if (did == DIRDID_ROOT_PARENT) {
rootParent.d_vid = vol->v_vid;
- return (&rootParent);
+ ret = &rootParent;
+ goto exit;
} else if (did == DIRDID_ROOT) {
- return vol->v_root;
+ ret = vol->v_root;
+ goto exit;
}
/* Search the cache */
if ((ret = dircache_search_by_did(vol, did)) != NULL) { /* 2a */
if (ret->d_fullpath == NULL) { /* 2b */
afp_errno = AFPERR_BADTYPE;
- return NULL;
+ ret = NULL;
+ goto exit;
}
if (lstat(cfrombstr(ret->d_fullpath), &st) != 0) {
LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {lstat: %s}", ntohl(did), strerror(errno));
LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {calling dir_remove()}", ntohl(did));
dir_remove(vol, ret);
afp_errno = AFPERR_NOOBJ;
- return NULL;
+ ret = NULL;
+ goto exit;
default:
- return ret;
+ ret = ret;
+ goto exit;
}
/* DEADC0DE */
- return NULL;
+ ret = NULL;
+ goto exit;
}
- return ret;
+ ret = ret;
+ goto exit;
}
utf8 = utf8_encoding();
/* Get it from the database */
cnid = did;
- if ( (upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL
- || (upath = strdup(upath)) == NULL) { /* 3 */
+ if ((upath = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen)) == NULL) {
+ afp_errno = AFPERR_NOOBJ;
+ err = 1;
+ goto exit;
+ }
+ if ((upath = strdup(upath)) == NULL) { /* 3 */
afp_errno = AFPERR_NOOBJ;
err = 1;
goto exit;
* - DIRDID_ROOT is hit
* - a cached entry is found
*/
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {recursion for did: %u}", ntohl(pdid));
if ((pdir = dirlookup(vol, pdid)) == NULL) {
err = 1;
goto exit;
}
/* Create struct dir */
- if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath)) == NULL) { /* 6 */
+ if ((ret = dir_new(mpath, upath, vol, pdid, did, fullpath, st.st_ctime)) == NULL) { /* 6 */
LOG(log_error, logtype_afpd, "dirlookup(did: %u) {%s, %s}: %s", ntohl(did), mpath, upath, strerror(errno));
err = 1;
goto exit;
}
-
+
/* Add it to the cache only if it's a dir */
- if (dircache_add(ret) != 0) { /* 7 */
+ if (dircache_add(vol, ret) != 0) { /* 7 */
err = 1;
goto exit;
}
- LOG(log_debug, logtype_afpd, "dirlookup(did: %u) {end: did:%u, path:'%s'}",
- ntohl(did), ntohl(pdid), cfrombstr(ret->d_fullpath));
-
exit:
if (upath) free(upath);
if (err) {
ret = NULL;
}
}
+ if (ret)
+ LOG(log_debug, logtype_afpd, "dirlookup(did: %u): pdid: %u, \"%s\"",
+ ntohl(ret->d_did), ntohl(ret->d_pdid), cfrombstr(ret->d_fullpath));
+
return ret;
}
* @param vol (r) pointer to struct vol
* @param pdid (r) Parent CNID
* @param did (r) CNID
- * @param fullpath (r) Full unix path to dir or NULL for files
+ * @param path (r) Full unix path to dir or NULL for files
+ * @param ctime (r) st_ctime from stat
*
* @returns pointer to new struct dir or NULL on error
*
const struct vol *vol,
cnid_t pdid,
cnid_t did,
- bstring path)
+ bstring path,
+ time_t ctime)
{
struct dir *dir;
dir->d_pdid = pdid;
dir->d_vid = vol->v_vid;
dir->d_fullpath = path;
+ dir->ctime_dircache = ctime;
return 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.
AFP_ASSERT(path);
AFP_ASSERT(len > 0);
- if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name))) != NULL) {
+ if ((cdir = dircache_search_by_name(vol, dir, path->u_name, strlen(path->u_name), path->st.st_ctime)) != 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), cfrombstr(dir->d_fullpath), path->u_name,
/* 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 */
+ if ((ad_open(&ad, path->u_name, ADFLAGS_HF | ADFLAGS_DIR)) == 0) /* 1 */
adp = &ad;
/* Get CNID */
/* Get macname from unixname */
if (path->m_name == NULL) {
if ((path->m_name = utompath(vol, path->u_name, id, utf8_encoding())) == NULL) {
+ LOG(log_error, logtype_afpd, "dir_add(\"%s\"): can't assign macname", path->u_name);
err = 2;
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 */
+ if ((cdir = dir_new( path->m_name, path->u_name, vol, dir->d_did, id, fullpath, path->st.st_ctime)) == NULL) { /* 3 */
err = 4;
goto exit;
}
- if ((dircache_add(cdir)) != 0) { /* 4 */
+ if ((dircache_add(vol, cdir)) != 0) { /* 4 */
LOG(log_error, logtype_afpd, "dir_add: fatal dircache error: %s", cfrombstr(fullpath));
exit(EXITERR_SYS);
}
}
/*!
- * @brief Remove a dir from a cache and free it and any ressources with it
+ * Free the queue with invalid struct dirs
+ *
+ * This gets called at the end of every AFP func.
+ */
+void dir_free_invalid_q(void)
+{
+ struct dir *dir;
+ while (dir = (struct dir *)dequeue(invalid_dircache_entries))
+ dir_free(dir);
+}
+
+/*!
+ * @brief Remove a dir from a cache and queue it for freeing
*
* 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
+ * 2. Remove it from the cache
+ * 3. Queue it for removal
+ * 4. If it's a request to remove curdir, mark curdir as invalid
+ * 5. Mark it as invalid
*
* @param (r) pointer to struct vol
* @param (rw) pointer to struct 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), cfrombstr(dir->d_u_name));
- 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), cfrombstr(dir->d_u_name));
- dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 3 */
- dir_free(dir); /* 4 */
+ dircache_remove(vol, dir, DIRCACHE | DIDNAME_INDEX | QUEUE_INDEX); /* 2 */
+ enqueue(invalid_dircache_entries, dir); /* 3 */
+
+ if (curdir == dir) /* 4 */
+ curdir = NULL;
+
+ dir->d_did = CNID_INVALID; /* 5 */
return 0;
}
+#if 0 /* unused */
/*!
* @brief Modify a struct dir, adjust cache
*
dir->d_m_name_ucs2 = NULL;
/* Re-add it to the cache */
- if ((dircache_add(dir)) != 0) {
+ if ((dircache_add(vol, dir)) != 0) {
dircache_dump();
AFP_PANIC("dir_modify");
}
return ret;
}
+#endif
/*!
* @brief Resolve a catalog node name path
/* 6*/
for ( p = path; *data != 0 && len > 0; len-- ) {
*p++ = *data++;
- if (p > &path[ MAXPATHLEN]) {
+ if (p > &path[UTF8FILELEN_EARLY]) { /* FIXME safeguard, limit of early Mac OS X */
afp_errno = AFPERR_PARAM;
return NULL;
}
/* Search the cache */
int unamelen = strlen(ret.u_name);
- cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen); /* 14 */
+ cdir = dircache_search_by_name(vol, dir, ret.u_name, unamelen, ret.st.st_ctime); /* 14 */
if (cdir == NULL) {
/* Not in cache, create one */
if ((cdir = dir_add(vol, dir, &ret, unamelen)) == NULL) { /* 15 */
AFP_ASSERT(vol);
AFP_ASSERT(dir);
- LOG(log_maxdebug, logtype_afpd, "movecwd(curdir:'%s', cwd:'%s')",
- cfrombstr(curdir->d_fullpath), getcwdpath());
+ LOG(log_maxdebug, logtype_afpd, "movecwd: from: curdir:\"%s\", cwd:\"%s\"",
+ curdir ? cfrombstr(curdir->d_fullpath) : "INVALID", getcwdpath());
- if ( dir == curdir)
- return( 0 );
if (dir->d_did == DIRDID_ROOT_PARENT) {
curdir = &rootParent;
return 0;
}
- LOG(log_debug, logtype_afpd, "movecwd(did:%u, '%s')",
+ LOG(log_debug, logtype_afpd, "movecwd(to: did: %u, \"%s\")",
ntohl(dir->d_did), cfrombstr(dir->d_fullpath));
if ((ret = lchdir(cfrombstr(dir->d_fullpath))) != 0 ) {
- LOG(log_debug, logtype_afpd, "movecwd('%s'): ret: %u, %s",
+ LOG(log_debug, logtype_afpd, "movecwd(\"%s\"): ret: %u, %s",
cfrombstr(dir->d_fullpath), ret, strerror(errno));
if (ret == 1) {
/* p is a symlink or getcwd failed */
struct maccess ma;
accessmode(path->u_name, &ma, curdir, &path->st);
- if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE))
+
+ LOG(log_debug, logtype_afpd, "file_access(\"%s\"): mapped user mode: 0x%02x",
+ path->u_name, ma.ma_user);
+
+ if ((mode & OPENACC_WR) && !(ma.ma_user & AR_UWRITE)) {
+ LOG(log_debug, logtype_afpd, "file_access(\"%s\"): write access denied", path->u_name);
return -1;
- if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD))
+ }
+ if ((mode & OPENACC_RD) && !(ma.ma_user & AR_UREAD)) {
+ LOG(log_debug, logtype_afpd, "file_access(\"%s\"): read access denied", path->u_name);
return -1;
+ }
return 0;
}
(1 << DIRPBIT_FINFO)))) {
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if ( !ad_metadata( upath, ADFLAGS_CREATE|ADFLAGS_DIR, &ad) ) {
+ if ( !ad_metadata( upath, 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);
- }
- }
}
pdid = dir->d_pdid;
}
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (ad_open_metadata( upath, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
+ if (ad_open(&ad, upath, ADFLAGS_HF | ADFLAGS_DIR, O_CREAT, 0777) != 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
* Check to see if a create was necessary. If it was, we'll want
* to set our name, etc.
*/
- if ( (ad_get_HF_flags( &ad ) & O_CREAT)) {
+ if ( (ad_get_MD_flags( &ad ) & O_CREAT)) {
ad_setname(&ad, cfrombstr(curdir->d_m_name));
}
}
}
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (ad_open_metadata( ".", ADFLAGS_DIR, O_CREAT, &ad ) < 0) {
+ if (ad_open(&ad, ".", ADFLAGS_HF | ADFLAGS_DIR, O_CREAT, 0777) < 0) {
if (vol_noadouble(vol))
goto createdir_done;
return( AFPERR_ACCESS );
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
- if (!ad_open_metadata( dst, ADFLAGS_DIR, 0, &ad)) {
+ if (ad_open(&ad, dst, ADFLAGS_HF | ADFLAGS_DIR) == 0) {
ad_setname(&ad, newname);
ad_flush( &ad);
ad_close_metadata( &ad);
{
struct dirent *de;
struct stat st;
- struct dir *fdir;
+ struct dir *fdir, *pdir;
DIR *dp;
struct adouble ad;
u_int16_t ashort;
int err;
- if ( dirlookup(vol, curdir->d_pdid) == NULL ) {
+ if ((pdir = dirlookup(vol, curdir->d_pdid)) == NULL) {
return( AFPERR_ACCESS );
}
}
err = vol->vfs->vfs_deletecurdir(vol);
if (err) {
+ LOG(log_error, logtype_afpd, "deletecurdir: error deleting .AppleDouble in \"%s\"",
+ curdir->d_fullpath);
return err;
}
/* bail if it's not a symlink */
if ((lstat(de->d_name, &st) == 0) && !S_ISLNK(st.st_mode)) {
+ LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): not empty",
+ curdir->d_fullpath);
closedir(dp);
return AFPERR_DIRNEMPT;
}
}
}
- if ( movecwd(vol, dirlookup(vol, curdir->d_pdid)) < 0 ) {
+ if (movecwd(vol, pdir) < 0) {
err = afp_errno;
goto delete_done;
}
+ LOG(log_debug, logtype_afpd, "deletecurdir: moved to \"%s\"",
+ cfrombstr(curdir->d_fullpath));
+
err = netatalk_rmdir_all_errors(-1, cfrombstr(fdir->d_u_name));
if ( err == AFP_OK || err == AFPERR_NOOBJ) {
cnid_delete(vol->v_cdb, fdir->d_did);
dir_remove( vol, fdir );
+ } else {
+ LOG(log_error, logtype_afpd, "deletecurdir(\"%s\"): netatalk_rmdir_all_errors error",
+ curdir->d_fullpath);
}
+
delete_done:
if (dp) {
/* inode is used as key for cnid.
name = NULL;
}
break;
-#ifdef HAVE_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");
uuidtype_t type;
- len = getnamefromuuid( ibuf, &name, &type);
+ len = getnamefromuuid((unsigned char*) ibuf, &name, &type);
if (len != 0) /* its a error code, not len */
return AFPERR_NOITEM;
switch (type) {
return AFPERR_MISC;
}
break;
-#endif /* HAVE_ACLS */
+
default :
return( AFPERR_PARAM );
}
case 4 :
len = (unsigned char) *ibuf++;
break;
-#ifdef HAVE_ACLS
case 5 : /* username -> UUID */
case 6 : /* groupname -> UUID */
if ((afp_version < 32) || !(obj->options.flags & OPTION_UUID ))
len = ntohs(ulen);
ibuf += 2;
break;
-#endif /* HAVE_ACLS */
default :
return( AFPERR_PARAM );
}
memcpy( rbuf, &id, sizeof( id ));
*rbuflen = sizeof( id );
break;
-#ifdef HAVE_ACLS
case 5 : /* username -> UUID */
LOG(log_debug, logtype_afpd, "afp_mapname: name: %s",ibuf);
- if (0 != getuuidfromname(ibuf, UUID_USER, rbuf))
+ if (0 != getuuidfromname(ibuf, UUID_USER, (unsigned char *)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))
+ if (0 != getuuidfromname(ibuf, UUID_GROUP, (unsigned char *)rbuf))
return AFPERR_NOITEM;
*rbuflen = UUID_BINSIZE;
break;
-#endif /* HAVE_ACLS */
}
}
return( AFP_OK );
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