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authorStefan Metzmacher <metze@samba.org>2011-11-09 16:04:09 +0100
committerStefan Metzmacher <metze@samba.org>2011-11-10 14:08:13 +0100
commit22ddbb50534aa73240a171732d4ac1fa884fa412 (patch)
treef202ffb7067559d625b825ae731821fbc2fc10a0 /source3
parent39bb5a62977261d0926f56b792aacaa5e772ff6f (diff)
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s3:smbd: don't limit the number of open dptrs for smb2 (bug #8592)
This fixes a crash bug that is triggered, when a client has more than 256 directory handles with searches. metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Thu Nov 10 14:08:14 CET 2011 on sn-devel-104
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/dir.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/source3/smbd/dir.c b/source3/smbd/dir.c
index 1d90a77b57..a7dc537074 100644
--- a/source3/smbd/dir.c
+++ b/source3/smbd/dir.c
@@ -261,6 +261,10 @@ static void dptr_close_internal(struct dptr_struct *dptr)
goto done;
}
+ if (sconn->using_smb2) {
+ goto done;
+ }
+
DLIST_REMOVE(sconn->searches.dirptrs, dptr);
/*
@@ -524,6 +528,10 @@ NTSTATUS dptr_create(connection_struct *conn, files_struct *fsp,
dptr->attr = attr;
+ if (sconn->using_smb2) {
+ goto done;
+ }
+
if(old_handle) {
/*
@@ -594,6 +602,7 @@ NTSTATUS dptr_create(connection_struct *conn, files_struct *fsp,
DLIST_ADD(sconn->searches.dirptrs, dptr);
+done:
DEBUG(3,("creating new dirptr %d for path %s, expect_close = %d\n",
dptr->dnum,path,expect_close));
@@ -1367,7 +1376,7 @@ static int smb_Dir_destructor(struct smb_Dir *dirp)
#endif
SMB_VFS_CLOSEDIR(dirp->conn,dirp->dir);
}
- if (dirp->conn->sconn) {
+ if (dirp->conn->sconn && !dirp->conn->sconn->using_smb2) {
dirp->conn->sconn->searches.dirhandles_open--;
}
return 0;
@@ -1398,7 +1407,7 @@ struct smb_Dir *OpenDir(TALLOC_CTX *mem_ctx, connection_struct *conn,
goto fail;
}
- if (sconn) {
+ if (sconn && !sconn->using_smb2) {
sconn->searches.dirhandles_open++;
}
talloc_set_destructor(dirp, smb_Dir_destructor);
@@ -1442,7 +1451,7 @@ static struct smb_Dir *OpenDir_fsp(TALLOC_CTX *mem_ctx, connection_struct *conn,
goto fail;
}
- if (sconn) {
+ if (sconn && !sconn->using_smb2) {
sconn->searches.dirhandles_open++;
}
talloc_set_destructor(dirp, smb_Dir_destructor);