a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * This file and its contents are supplied under the terms of the
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Common Development and Distribution License ("CDDL"), version 1.0.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * You may only use this file in accordance with the terms of version
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * 1.0 of the CDDL.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * A full copy of the text of the CDDL should have accompanied this
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * source. A copy of the CDDL is also available via the Internet at
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * http://www.illumos.org/license/CDDL.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Dispatch function for SMB2_QUERY_INFO
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross#include <smbsrv/smb2_kproto.h>
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross#include <smbsrv/smb_fsops.h>
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross#include <smbsrv/ntifs.h>
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb_sdrc_t
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb2_query_info(smb_request_t *sr)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross{
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb_queryinfo_t *qi;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t StructSize;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t oBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t iBufOffset;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t iBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2fid_t smb2fid;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t DataOff;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t status;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb_sdrc_t sdrc = SDRC_SUCCESS;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross int rc = 0;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross qi = kmem_zalloc(sizeof (*qi), KM_SLEEP);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * SMB2 Query Info request
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = smb_mbc_decodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->smb_data, "wbblw..lllqq",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &StructSize, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &qi->qi_InfoType, /* b */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &qi->qi_InfoClass, /* b */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &oBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &iBufOffset, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /* reserved .. */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &iBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &qi->qi_AddlInfo, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &qi->qi_Flags, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.persistent, /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.temporal); /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc || StructSize != 41) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sdrc = SDRC_ERROR;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto out;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2sr_lookup_fid(sr, &smb2fid);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (status) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, status);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto out;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (oBufLength > smb2_max_trans)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength = smb2_max_trans;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * If there's an input buffer, setup a shadow.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (iBufLength) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = MBC_SHADOW_CHAIN(&qi->in_data, &sr->smb_data,
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sr->smb2_cmd_hdr + iBufOffset, iBufLength);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, NT_STATUS_INVALID_PARAMETER);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto out;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sr->raw_data.max_bytes = oBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross switch (qi->qi_InfoType) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case SMB2_0_INFO_FILE:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2_qinfo_file(sr, qi);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case SMB2_0_INFO_FILESYSTEM:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2_qinfo_fs(sr, qi);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case SMB2_0_INFO_SECURITY:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2_qinfo_sec(sr, qi);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case SMB2_0_INFO_QUOTA:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2_qinfo_quota(sr, qi);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross default:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = NT_STATUS_INVALID_PARAMETER;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross switch (status) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case 0: /* success */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case NT_STATUS_BUFFER_OVERFLOW:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /* Not really an error, per se. Advisory. */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sr->smb2_status = status;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross break;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case NT_STATUS_BUFFER_TOO_SMALL:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross case NT_STATUS_INFO_LENGTH_MISMATCH:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * These are special, per. [MS-SMB2] 3.2.5.17
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * The error data is a 4-byte count of the size
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * required to successfully query the data.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * That error data is built by the functions
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * that returns one of these errors.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error_data(sr, status, &sr->raw_data);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto out;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross default:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, status);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto out;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * SMB2 Query Info reply
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross DataOff = SMB2_HDR_SIZE + 8;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength = MBC_LENGTH(&sr->raw_data);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = smb_mbc_encodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->reply, "wwlC",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross 9, /* StructSize */ /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross DataOff, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->raw_data); /* C */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sdrc = SDRC_ERROR;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rossout:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross kmem_free(qi, sizeof (*qi));
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (sdrc);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross}