-/*
+/*
Unix SMB/CIFS implementation.
Directory handling routines
Copyright (C) Andrew Tridgell 1992-1998
-
+ Copyright (C) Jeremy Allison 2007
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
/* Make directory handle internals available. */
-#define NAME_CACHE_SIZE 100
-
struct name_cache_entry {
char *name;
long offset;
SMB_STRUCT_DIR *dir;
long offset;
char *dir_path;
+ size_t name_cache_size;
struct name_cache_entry *name_cache;
unsigned int name_cache_index;
unsigned int file_number;
Make a dir struct.
****************************************************************************/
-void make_dir_struct(char *buf, const char *mask, const char *fname,SMB_OFF_T size,uint32 mode,time_t date, BOOL uc)
-{
+BOOL make_dir_struct(TALLOC_CTX *ctx,
+ char *buf,
+ const char *mask,
+ const char *fname,
+ SMB_OFF_T size,
+ uint32 mode,
+ time_t date,
+ BOOL uc)
+{
char *p;
- pstring mask2;
+ char *mask2 = talloc_strdup(ctx, mask);
- pstrcpy(mask2,mask);
+ if (!mask2) {
+ return False;
+ }
- if ((mode & aDIR) != 0)
+ if ((mode & aDIR) != 0) {
size = 0;
+ }
memset(buf+1,' ',11);
if ((p = strchr_m(mask2,'.')) != NULL) {
push_ascii(buf+1,mask2,8, 0);
push_ascii(buf+9,p+1,3, 0);
*p = '.';
- } else
+ } else {
push_ascii(buf+1,mask2,11, 0);
+ }
memset(buf+21,'\0',DIR_STRUCT_SIZE-21);
SCVAL(buf,21,mode);
Strange, but verified on W2K3. Needed for OS/2. JRA. */
push_ascii(buf+30,fname,12, uc ? STR_UPPER : 0);
DEBUG(8,("put name [%s] from [%s] into dir struct\n",buf+30, fname));
+ return True;
}
/****************************************************************************
DLIST_REMOVE(dirptrs, dptr);
- /*
+ /*
* Free the dnum in the bitmap. Remember the dnum value is always
* biased by one with respect to the bitmap.
*/
wcard must not be zero.
****************************************************************************/
-NTSTATUS dptr_create(connection_struct *conn, pstring path, BOOL old_handle, BOOL expect_close,uint16 spid,
+NTSTATUS dptr_create(connection_struct *conn, const char *path, BOOL old_handle, BOOL expect_close,uint16 spid,
const char *wcard, BOOL wcard_has_wild, uint32 attr, struct dptr_struct **dptr_ret)
{
struct dptr_struct *dptr = NULL;
struct smb_Dir *dir_hnd;
- const char *dir2;
NTSTATUS status;
DEBUG(5,("dptr_create dir=%s\n", path));
return status;
}
- /* use a const pointer from here on */
- dir2 = path;
- if (!*dir2)
- dir2 = ".";
-
- dir_hnd = OpenDir(conn, dir2, wcard, attr);
+ dir_hnd = OpenDir(conn, path, wcard, attr);
if (!dir_hnd) {
return map_nt_error_from_unix(errno);
}
- string_set(&conn->dirpath,dir2);
+ string_set(&conn->dirpath,path);
if (dirhandles_open >= MAX_OPEN_DIRECTORIES) {
dptr_idleoldest();
dptr->dnum += 1; /* Always bias the dnum by one - no zero dnums allowed. */
- string_set(&dptr->path,dir2);
+ string_set(&dptr->path,path);
dptr->conn = conn;
dptr->dir_hnd = dir_hnd;
dptr->spid = spid;
Return the next visible file name, skipping veto'd and invisible files.
****************************************************************************/
-const char *dptr_ReadDirName(struct dptr_struct *dptr, long *poffset, SMB_STRUCT_STAT *pst)
+const char *dptr_ReadDirName(TALLOC_CTX *ctx,
+ struct dptr_struct *dptr,
+ long *poffset,
+ SMB_STRUCT_STAT *pst)
{
SET_STAT_INVALID(*pst);
}
if (!dptr->did_stat) {
- pstring pathreal;
+ char *pathreal = NULL;
/* We know the stored wcard contains no wildcard characters. See if we can match
with a stat call. If we can't, then set did_stat to true to
return dptr->wcard;
}
- pstrcpy(pathreal,dptr->path);
- pstrcat(pathreal,"/");
- pstrcat(pathreal,dptr->wcard);
+ pathreal = talloc_asprintf(ctx,
+ "%s/%s",
+ dptr->path,
+ dptr->wcard);
+ if (!pathreal) {
+ return NULL;
+ }
if (SMB_VFS_STAT(dptr->conn,pathreal,pst) == 0) {
/* We need to set the underlying dir_hnd offset to -1 also as
this function is usually called with the output from TellDir. */
dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
+ TALLOC_FREE(pathreal);
return dptr->wcard;
} else {
/* If we get any other error than ENOENT or ENOTDIR
/* We need to set the underlying dir_hdn offset to -1 also as
this function is usually called with the output from TellDir. */
dptr->dir_hnd->offset = *poffset = END_OF_DIRECTORY_OFFSET;
+ TALLOC_FREE(pathreal);
return dptr->wcard;
}
}
+ TALLOC_FREE(pathreal);
+
/* In case sensitive mode we don't search - we know if it doesn't exist
with a stat we will fail. */
return True;
}
-static BOOL mangle_mask_match(connection_struct *conn, fstring filename, char *mask)
+static BOOL mangle_mask_match(connection_struct *conn,
+ const char *filename,
+ const char *mask)
{
- mangle_map(filename,True,False,conn->params);
- return mask_match_search(filename,mask,False);
+ char mname[13];
+
+ if (!name_to_8_3(filename,mname,False,conn->params)) {
+ return False;
+ }
+ return mask_match_search(mname,mask,False);
}
/****************************************************************************
Get an 8.3 directory entry.
****************************************************************************/
-BOOL get_dir_entry(connection_struct *conn,char *mask,uint32 dirtype, pstring fname,
- SMB_OFF_T *size,uint32 *mode,time_t *date,BOOL check_descend)
+BOOL get_dir_entry(TALLOC_CTX *ctx,
+ connection_struct *conn,
+ const char *mask,
+ uint32 dirtype,
+ char **pp_fname_out,
+ SMB_OFF_T *size,
+ uint32 *mode,
+ time_t *date,
+ BOOL check_descend)
{
- const char *dname;
+ const char *dname = NULL;
BOOL found = False;
SMB_STRUCT_STAT sbuf;
- pstring path;
- pstring pathreal;
- pstring filename;
+ char *pathreal = NULL;
+ const char *filename = NULL;
BOOL needslash;
- *path = *pathreal = *filename = 0;
+ *pp_fname_out = NULL;
needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
- if (!conn->dirptr)
+ if (!conn->dirptr) {
return(False);
+ }
while (!found) {
long curoff = dptr_TellDir(conn->dirptr);
- dname = dptr_ReadDirName(conn->dirptr, &curoff, &sbuf);
+ dname = dptr_ReadDirName(ctx, conn->dirptr, &curoff, &sbuf);
DEBUG(6,("readdir on dirptr 0x%lx now at offset %ld\n",
(long)conn->dirptr,TellDir(conn->dirptr->dir_hnd)));
-
- if (dname == NULL)
+
+ if (dname == NULL) {
return(False);
-
- pstrcpy(filename,dname);
+ }
+
+ filename = dname;
/* notice the special *.* handling. This appears to be the only difference
between the wildcard handling in this routine and in the trans2 routines.
if ((strcmp(mask,"*.*") == 0) ||
mask_match_search(filename,mask,False) ||
mangle_mask_match(conn,filename,mask)) {
+ char mname[13];
+
+ if (!mangle_is_8_3(filename, False, conn->params)) {
+ if (!name_to_8_3(filename,mname,False,
+ conn->params)) {
+ continue;
+ }
+ filename = mname;
+ }
+
+ if (needslash) {
+ pathreal = talloc_asprintf(ctx,
+ "%s/%s",
+ conn->dirpath,
+ dname);
+ } else {
+ pathreal = talloc_asprintf(ctx,
+ "%s%s",
+ conn->dirpath,
+ dname);
+ }
+ if (!pathreal) {
+ return False;
+ }
- if (!mangle_is_8_3(filename, False, conn->params))
- mangle_map(filename,True,False,
- conn->params);
-
- pstrcpy(fname,filename);
- *path = 0;
- pstrcpy(path,conn->dirpath);
- if(needslash)
- pstrcat(path,"/");
- pstrcpy(pathreal,path);
- pstrcat(path,fname);
- pstrcat(pathreal,dname);
if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn, pathreal, &sbuf)) != 0) {
- DEBUG(5,("Couldn't stat 1 [%s]. Error = %s\n",path, strerror(errno) ));
+ DEBUG(5,("Couldn't stat 1 [%s]. Error = %s\n",
+ pathreal, strerror(errno) ));
+ TALLOC_FREE(pathreal);
continue;
}
-
+
*mode = dos_mode(conn,pathreal,&sbuf);
if (!dir_check_ftype(conn,*mode,dirtype)) {
DEBUG(5,("[%s] attribs 0x%x didn't match 0x%x\n",filename,(unsigned int)*mode,(unsigned int)dirtype));
+ TALLOC_FREE(pathreal);
continue;
}
*size = sbuf.st_size;
*date = sbuf.st_mtime;
- DEBUG(3,("get_dir_entry mask=[%s] found %s fname=%s\n",mask, pathreal,fname));
+ DEBUG(3,("get_dir_entry mask=[%s] found %s "
+ "fname=%s (%s)\n",
+ mask,
+ pathreal,
+ dname,
+ filename));
found = True;
+ *pp_fname_out = talloc_strdup(ctx, filename);
+ if (!*pp_fname_out) {
+ return False;
+ }
+
DirCacheAdd(conn->dirptr->dir_hnd, dname, curoff);
+ TALLOC_FREE(pathreal);
}
}
/* Pseudo-open the file (note - no fd's created). */
if(S_ISDIR(pst->st_mode)) {
- status = open_directory(conn, name, pst,
+ status = open_directory(conn, NULL, name, pst,
READ_CONTROL_ACCESS,
FILE_SHARE_READ|FILE_SHARE_WRITE,
FILE_OPEN,
FILE_ATTRIBUTE_DIRECTORY,
NULL, &fsp);
} else {
- status = open_file_stat(conn, name, pst, &fsp);
+ status = open_file_stat(conn, NULL, name, pst, &fsp);
}
if (!NT_STATUS_IS_OK(status)) {
if(S_ISDIR(pst->st_mode)) {
return True;
} else {
- status = open_file_ntcreate(conn, name, pst,
+ status = open_file_ntcreate(conn, NULL, name, pst,
FILE_WRITE_ATTRIBUTES,
FILE_SHARE_READ|FILE_SHARE_WRITE,
FILE_OPEN,
/* If it's a dfs symlink, ignore _hide xxxx_ options */
if (lp_host_msdfs() &&
lp_msdfs_root(SNUM(conn)) &&
- /* We get away with NULL talloc ctx here as
- we're not interested in the link contents
- so we have nothing to free. */
- is_msdfs_link(NULL, conn, entry, NULL, NULL, NULL)) {
+ is_msdfs_link(conn, entry, NULL)) {
SAFE_FREE(entry);
return True;
}
struct smb_Dir *OpenDir(connection_struct *conn, const char *name, const char *mask, uint32 attr)
{
struct smb_Dir *dirp = SMB_MALLOC_P(struct smb_Dir);
+
if (!dirp) {
return NULL;
}
ZERO_STRUCTP(dirp);
dirp->conn = conn;
+ dirp->name_cache_size = lp_directory_name_cache_size(SNUM(conn));
dirp->dir_path = SMB_STRDUP(name);
if (!dirp->dir_path) {
goto fail;
}
- dirp->name_cache = SMB_CALLOC_ARRAY(struct name_cache_entry, NAME_CACHE_SIZE);
- if (!dirp->name_cache) {
- goto fail;
+ if (dirp->name_cache_size) {
+ dirp->name_cache = SMB_CALLOC_ARRAY(struct name_cache_entry,
+ dirp->name_cache_size);
+ if (!dirp->name_cache) {
+ goto fail;
+ }
+ } else {
+ dirp->name_cache = NULL;
}
dirhandles_open++;
}
SAFE_FREE(dirp->dir_path);
if (dirp->name_cache) {
- for (i = 0; i < NAME_CACHE_SIZE; i++) {
+ for (i = 0; i < dirp->name_cache_size; i++) {
SAFE_FREE(dirp->name_cache[i].name);
}
}
if (offset != dirp->offset) {
if (offset == START_OF_DIRECTORY_OFFSET) {
RewindDir(dirp, &offset);
- /*
+ /*
* Ok we should really set the file number here
* to 1 to enable ".." to be returned next. Trouble
* is I'm worried about callers using SeekDir(dirp,0)
{
struct name_cache_entry *e;
- dirp->name_cache_index = (dirp->name_cache_index+1) % NAME_CACHE_SIZE;
+ if (!dirp->name_cache_size || !dirp->name_cache) {
+ return;
+ }
+
+ dirp->name_cache_index = (dirp->name_cache_index+1) %
+ dirp->name_cache_size;
e = &dirp->name_cache[dirp->name_cache_index];
SAFE_FREE(e->name);
e->name = SMB_STRDUP(name);
connection_struct *conn = dirp->conn;
/* Search back in the name cache. */
- for (i = dirp->name_cache_index; i >= 0; i--) {
- struct name_cache_entry *e = &dirp->name_cache[i];
- if (e->name && (conn->case_sensitive ? (strcmp(e->name, name) == 0) : strequal(e->name, name))) {
- *poffset = e->offset;
- SeekDir(dirp, e->offset);
- return True;
+ if (dirp->name_cache_size && dirp->name_cache) {
+ for (i = dirp->name_cache_index; i >= 0; i--) {
+ struct name_cache_entry *e = &dirp->name_cache[i];
+ if (e->name && (conn->case_sensitive ? (strcmp(e->name, name) == 0) : strequal(e->name, name))) {
+ *poffset = e->offset;
+ SeekDir(dirp, e->offset);
+ return True;
+ }
}
- }
- for (i = NAME_CACHE_SIZE-1; i > dirp->name_cache_index; i--) {
- struct name_cache_entry *e = &dirp->name_cache[i];
- if (e->name && (conn->case_sensitive ? (strcmp(e->name, name) == 0) : strequal(e->name, name))) {
- *poffset = e->offset;
- SeekDir(dirp, e->offset);
- return True;
+ for (i = dirp->name_cache_size - 1; i > dirp->name_cache_index; i--) {
+ struct name_cache_entry *e = &dirp->name_cache[i];
+ if (e->name && (conn->case_sensitive ? (strcmp(e->name, name) == 0) : strequal(e->name, name))) {
+ *poffset = e->offset;
+ SeekDir(dirp, e->offset);
+ return True;
+ }
}
}
git.samba.org / tprouty / samba.git / blobdiff