ading new files from 3.0

(This used to be commit 99feae7b5b1c229a925367b87c0c0f636d9a2d75)

1 files changed, 259 insertions, 0 deletions

diff --git a/source3/smbd/ntquotas.c b/source3/smbd/ntquotas.c
new file mode 100644
index 0000000000..2e865000ec
--- /dev/null
+++ b/source3/smbd/ntquotas.c
@@ -0,0 +1,259 @@
+/* 
+   Unix SMB/CIFS implementation.
+   NT QUOTA suppport
+   Copyright (C) Stefan (metze) Metzmacher	2003
+   
+   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
+   (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.
+*/
+
+#include "includes.h"
+
+static SMB_BIG_UINT limit_nt2unix(SMB_BIG_UINT in, SMB_BIG_UINT bsize)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+
+	ret = 	(SMB_BIG_UINT)(in/bsize);
+	if (in>0 && ret==0) {
+		/* we have to make sure that a overflow didn't set NO_LIMIT */
+		ret = (SMB_BIG_UINT)1;
+	}
+
+	if (in == SMB_NTQUOTAS_NO_LIMIT)
+		ret = SMB_QUOTAS_NO_LIMIT;
+	else if (in == SMB_NTQUOTAS_NO_SPACE)
+		ret = SMB_QUOTAS_NO_SPACE;
+	else if (in == SMB_NTQUOTAS_NO_ENTRY)
+		ret = SMB_QUOTAS_NO_LIMIT;
+
+	return ret;
+}
+
+static SMB_BIG_UINT limit_unix2nt(SMB_BIG_UINT in, SMB_BIG_UINT bsize)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+
+	ret = (SMB_BIG_UINT)(in*bsize);
+	
+	if (ret < in) {
+		/* we overflow */
+		ret = SMB_NTQUOTAS_NO_LIMIT;
+	}
+
+	if (in == SMB_QUOTAS_NO_LIMIT)
+		ret = SMB_NTQUOTAS_NO_LIMIT;
+
+	return ret;
+}
+
+static SMB_BIG_UINT limit_blk2inodes(SMB_BIG_UINT in)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+	
+	ret = (SMB_BIG_UINT)(in/2);
+	
+	if (ret == 0 && in != 0)
+		ret = (SMB_BIG_UINT)1;
+
+	return ret;	
+}
+
+int vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
+{
+	int ret;
+	SMB_DISK_QUOTA D;
+	unid_t id;
+
+	ZERO_STRUCT(D);
+
+	if (!fsp||!fsp->conn||!qt)
+		return (-1);
+
+	ZERO_STRUCT(*qt);
+
+	id.uid = -1;
+
+	if (psid && !NT_STATUS_IS_OK(sid_to_uid(psid, &id.uid))) {
+		DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
+			sid_string_static(psid)));	
+	}
+
+	ret = SMB_VFS_GET_QUOTA(fsp->conn, qtype, id, &D);
+
+	if (psid)
+		qt->sid    = *psid;
+
+	if (ret!=0) {
+		return ret;
+	}
+		
+	qt->usedspace = (SMB_BIG_UINT)D.curblocks*D.bsize;
+	qt->softlim = limit_unix2nt(D.softlimit, D.bsize);
+	qt->hardlim = limit_unix2nt(D.hardlimit, D.bsize);
+	qt->qflags = D.qflags;
+
+	
+	return 0;
+}
+
+int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
+{
+	int ret;
+	SMB_DISK_QUOTA D;
+	unid_t id;
+	ZERO_STRUCT(D);
+
+	if (!fsp||!fsp->conn||!qt)
+		return (-1);
+
+	id.uid = -1;
+
+	D.bsize     = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
+
+	D.softlimit = limit_nt2unix(qt->softlim,D.bsize);
+	D.hardlimit = limit_nt2unix(qt->hardlim,D.bsize);
+	D.qflags     = qt->qflags;
+
+	D.isoftlimit = limit_blk2inodes(D.softlimit);
+	D.ihardlimit = limit_blk2inodes(D.hardlimit);
+
+	if (psid && !NT_STATUS_IS_OK(sid_to_uid(psid, &id.uid))) {
+		DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
+			sid_string_static(psid)));	
+	}
+
+	ret = SMB_VFS_SET_QUOTA(fsp->conn, qtype, id, &D);
+	
+	return ret;
+}
+
+static BOOL allready_in_quota_list(SMB_NTQUOTA_LIST *qt_list, uid_t uid)
+{
+	SMB_NTQUOTA_LIST *tmp_list = NULL;
+	
+	if (!qt_list)
+		return False;
+
+	for (tmp_list=qt_list;tmp_list!=NULL;tmp_list=tmp_list->next) {
+		if (tmp_list->uid == uid) {
+			return True;	
+		}
+	}
+
+	return False;
+}
+
+int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list)
+{
+	struct passwd *usr;
+	TALLOC_CTX *mem_ctx = NULL;
+
+	if (!fsp||!fsp->conn||!qt_list)
+		return (-1);
+
+	*qt_list = NULL;
+
+	if ((mem_ctx=talloc_init("SMB_USER_QUOTA_LIST"))==NULL) {
+		DEBUG(0,("talloc_init() failed\n"));
+		return (-1);
+	}
+
+	sys_setpwent();
+	while ((usr = sys_getpwent()) != NULL) {
+		SMB_NTQUOTA_STRUCT tmp_qt;
+		SMB_NTQUOTA_LIST *tmp_list_ent;
+		DOM_SID	sid;
+
+		ZERO_STRUCT(tmp_qt);
+
+		if (allready_in_quota_list((*qt_list),usr->pw_uid)) {
+			DEBUG(5,("record for uid[%ld] allready in the list\n",(long)usr->pw_uid));
+			continue;
+		}
+
+		if (!NT_STATUS_IS_OK(uid_to_sid(&sid, usr->pw_uid))) {
+			DEBUG(0,("uid_to_sid failed for %ld\n",(long)usr->pw_uid));
+			continue;
+		}
+
+		if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &tmp_qt)!=0) {
+			DEBUG(1,("no quota entry for sid[%s] path[%s]\n",
+				sid_string_static(&sid),fsp->conn->connectpath));
+			continue;
+		}
+
+		DEBUG(15,("quota entry for id[%s] path[%s]\n",
+			sid_string_static(&sid),fsp->conn->connectpath));
+
+		if ((tmp_list_ent=(SMB_NTQUOTA_LIST *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_LIST)))==NULL) {
+			DEBUG(0,("talloc_zero() failed\n"));
+			*qt_list = NULL;
+			talloc_destroy(mem_ctx);
+			return (-1);
+		}
+
+		if ((tmp_list_ent->quotas=(SMB_NTQUOTA_STRUCT *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_STRUCT)))==NULL) {
+			DEBUG(0,("talloc_zero() failed\n"));
+			*qt_list = NULL;
+			talloc_destroy(mem_ctx);
+			return (-1);
+		}
+
+		tmp_list_ent->uid = usr->pw_uid;
+		memcpy(tmp_list_ent->quotas,&tmp_qt,sizeof(tmp_qt));
+		tmp_list_ent->mem_ctx = mem_ctx;
+
+		DLIST_ADD((*qt_list),tmp_list_ent);
+		
+	}
+	sys_endpwent();
+
+	return 0;
+}
+
+void *init_quota_handle(TALLOC_CTX *mem_ctx)
+{
+	SMB_NTQUOTA_HANDLE *qt_handle;
+
+	if (!mem_ctx)
+		return False;
+
+	qt_handle = (SMB_NTQUOTA_HANDLE *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_HANDLE));
+	if (qt_handle==NULL) {
+		DEBUG(0,("talloc_zero() failed\n"));
+		return NULL;
+	}
+
+	return (void *)qt_handle;	
+}
+
+void destroy_quota_handle(void **pqt_handle)
+{
+	SMB_NTQUOTA_HANDLE *qt_handle = NULL;
+	if (!pqt_handle||!(*pqt_handle))
+		return;
+	
+	qt_handle = (*pqt_handle);
+	
+	
+	if (qt_handle->quota_list)
+		free_ntquota_list(&qt_handle->quota_list);
+
+	qt_handle->quota_list = NULL;
+	qt_handle->tmp_list = NULL;
+	qt_handle = NULL;
+
+	return;
+}
+