--- /dev/null
+/*
+ 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"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_QUOTA
+
+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(5,("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=TALLOC_ZERO_P(mem_ctx,SMB_NTQUOTA_LIST))==NULL) {
+ DEBUG(0,("talloc_zero() failed\n"));
+ *qt_list = NULL;
+ talloc_destroy(mem_ctx);
+ return (-1);
+ }
+
+ if ((tmp_list_ent->quotas=TALLOC_ZERO_P(mem_ctx,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 = TALLOC_ZERO_P(mem_ctx,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;
+}
projects / samba / blobdiff