diff options
Diffstat (limited to 'source3/modules/vfs_default_quota.c')
| -rw-r--r-- | source3/modules/vfs_default_quota.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/source3/modules/vfs_default_quota.c b/source3/modules/vfs_default_quota.c new file mode 100644 index 0000000000..1294a51533 --- /dev/null +++ b/source3/modules/vfs_default_quota.c @@ -0,0 +1,180 @@ +/* + * Store default Quotas in a specified quota record + * + * 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_VFS + +#define DEFAULT_QUOTA_NAME "default_quota" + +#define DEFAULT_QUOTA_UID_DEFAULT 0 +#define DEFAULT_QUOTA_UID_NOLIMIT_DEFAULT True +#define DEFAULT_QUOTA_GID_DEFAULT 0 +#define DEFAULT_QUOTA_GID_NOLIMIT_DEFAULT True + +#define DEFAULT_QUOTA_UID(handle) \ + (uid_t)lp_parm_int(SNUM((handle)->conn),DEFAULT_QUOTA_NAME,"uid",DEFAULT_QUOTA_UID_DEFAULT) + +#define DEFAULT_QUOTA_UID_NOLIMIT(handle) \ + lp_parm_bool(SNUM((handle)->conn),DEFAULT_QUOTA_NAME,"uid nolimit",DEFAULT_QUOTA_UID_NOLIMIT_DEFAULT) + +#define DEFAULT_QUOTA_GID(handle) \ + (gid_t)lp_parm_int(SNUM((handle)->conn),DEFAULT_QUOTA_NAME,"gid",DEFAULT_QUOTA_GID_DEFAULT) + +#define DEFAULT_QUOTA_GID_NOLIMIT(handle) \ + lp_parm_bool(SNUM((handle)->conn),DEFAULT_QUOTA_NAME,"gid nolimit",DEFAULT_QUOTA_GID_NOLIMIT_DEFAULT) + +static int default_quota_get_quota(vfs_handle_struct *handle, connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq) +{ + int ret = -1; + + if ((ret=SMB_VFS_NEXT_GET_QUOTA(handle, conn, qtype, id, dq))!=0) { + return ret; + } + + switch (qtype) { + case SMB_USER_QUOTA_TYPE: + /* we use id.uid == 0 for default quotas */ + if ((id.uid==DEFAULT_QUOTA_UID(handle)) && + DEFAULT_QUOTA_UID_NOLIMIT(handle)) { + SMB_QUOTAS_SET_NO_LIMIT(dq); + } + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_QUOTA_TYPE: + /* we use id.gid == 0 for default quotas */ + if ((id.gid==DEFAULT_QUOTA_GID(handle)) && + DEFAULT_QUOTA_GID_NOLIMIT(handle)) { + SMB_QUOTAS_SET_NO_LIMIT(dq); + } + break; +#endif /* HAVE_GROUP_QUOTA */ + case SMB_USER_FS_QUOTA_TYPE: + { + unid_t qid; + uint32 qflags = dq->qflags; + qid.uid = DEFAULT_QUOTA_UID(handle); + SMB_VFS_NEXT_GET_QUOTA(handle, conn, SMB_USER_QUOTA_TYPE, qid, dq); + dq->qflags = qflags; + } + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_FS_QUOTA_TYPE: + { + unid_t qid; + uint32 qflags = dq->qflags; + qid.gid = DEFAULT_QUOTA_GID(handle); + SMB_VFS_NEXT_GET_QUOTA(handle, conn, SMB_GROUP_QUOTA_TYPE, qid, dq); + dq->qflags = qflags; + } + break; +#endif /* HAVE_GROUP_QUOTA */ + default: + errno = ENOSYS; + return -1; + break; + } + + return ret; +} + +static int default_quota_set_quota(vfs_handle_struct *handle, connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq) +{ + int ret = -1; + + switch (qtype) { + case SMB_USER_QUOTA_TYPE: + /* we use id.uid == 0 for default quotas */ + if ((id.uid==DEFAULT_QUOTA_UID(handle)) && + DEFAULT_QUOTA_UID_NOLIMIT(handle)) { + return -1; + } + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_QUOTA_TYPE: + /* we use id.gid == 0 for default quotas */ + if ((id.gid==DEFAULT_QUOTA_GID(handle)) && + DEFAULT_QUOTA_GID_NOLIMIT(handle)) { + return -1; + } + break; +#endif /* HAVE_GROUP_QUOTA */ + case SMB_USER_FS_QUOTA_TYPE: + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_FS_QUOTA_TYPE: + break; +#endif /* HAVE_GROUP_QUOTA */ + default: + errno = ENOSYS; + return -1; + break; + } + + if ((ret=SMB_VFS_NEXT_SET_QUOTA(handle, conn, qtype, id, dq))!=0) { + return ret; + } + + switch (qtype) { + case SMB_USER_QUOTA_TYPE: + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_QUOTA_TYPE: + break; +#endif /* HAVE_GROUP_QUOTA */ + case SMB_USER_FS_QUOTA_TYPE: + { + unid_t qid; + qid.uid = DEFAULT_QUOTA_UID(handle); + ret = SMB_VFS_NEXT_SET_QUOTA(handle, conn, SMB_USER_QUOTA_TYPE, qid, dq); + } + break; +#ifdef HAVE_GROUP_QUOTA + case SMB_GROUP_FS_QUOTA_TYPE: + { + unid_t qid; + qid.gid = DEFAULT_QUOTA_GID(handle); + ret = SMB_VFS_NEXT_SET_QUOTA(handle, conn, SMB_GROUP_QUOTA_TYPE, qid, dq); + } + break; +#endif /* HAVE_GROUP_QUOTA */ + default: + errno = ENOSYS; + return -1; + break; + } + + return ret; +} + +/* VFS operations structure */ + +static vfs_op_tuple default_quota_ops[] = { + {SMB_VFS_OP(default_quota_get_quota), SMB_VFS_OP_GET_QUOTA, SMB_VFS_LAYER_TRANSPARENT}, + {SMB_VFS_OP(default_quota_set_quota), SMB_VFS_OP_SET_QUOTA, SMB_VFS_LAYER_TRANSPARENT}, + + {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} +}; + +NTSTATUS vfs_default_quota_init(void) +{ + return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, DEFAULT_QUOTA_NAME, default_quota_ops); +} |