#include "../libcli/security/security.h"
#include "trans2.h"
#include "../libcli/smb/smbXcli_base.h"
+#include "librpc/gen_ndr/ndr_quota.h"
NTSTATUS cli_get_quota_handle(struct cli_state *cli, uint16_t *quota_fnum)
{
unsigned int *offset,
SMB_NTQUOTA_STRUCT *pqt)
{
- int sid_len;
- SMB_NTQUOTA_STRUCT qt;
-
- ZERO_STRUCT(qt);
-
- if (!rdata||!offset||!pqt) {
- smb_panic("parse_quota_record: called with NULL POINTER!");
- }
-
- if (rdata_count < 40) {
- return False;
- }
+ struct file_quota_information info = {0};
+ TALLOC_CTX *frame = talloc_stackframe();
+ DATA_BLOB blob;
+ enum ndr_err_code err;
+ bool result = false;
- /* offset to next quota record.
- * 4 bytes IVAL(rdata,0)
- * unused here...
- */
- *offset = IVAL(rdata,0);
+ blob.data = discard_const_p(uint8_t, rdata);
+ blob.length = rdata_count;
+ err = ndr_pull_struct_blob(
+ &blob,
+ frame,
+ &info,
+ (ndr_pull_flags_fn_t)ndr_pull_file_quota_information);
- /* sid len */
- sid_len = IVAL(rdata,4);
- if (40 + sid_len < 40) {
- return false;
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ goto out;
}
- if (rdata_count < 40+sid_len) {
- return False;
- }
+ *offset = info.next_entry_offset;
- if (*offset != 0 && *offset < 40 + sid_len) {
- return false;
- }
+ ZERO_STRUCTP(pqt);
+ pqt->usedspace = info.quota_used;
- /* unknown 8 bytes in pdata
- * maybe its the change time in NTTIME
- */
+ pqt->softlim = info.quota_threshold;
- /* the used space 8 bytes (uint64_t)*/
- qt.usedspace = BVAL(rdata,16);
+ pqt->hardlim = info.quota_limit;
- /* the soft quotas 8 bytes (uint64_t)*/
- qt.softlim = BVAL(rdata,24);
-
- /* the hard quotas 8 bytes (uint64_t)*/
- qt.hardlim = BVAL(rdata,32);
-
- if (!sid_parse(rdata+40,sid_len,&qt.sid)) {
- return false;
- }
-
- qt.qtype = SMB_USER_QUOTA_TYPE;
-
- *pqt = qt;
-
- return True;
+ pqt->qtype = SMB_USER_QUOTA_TYPE;
+ pqt->sid = info.sid;
+ result = true;
+out:
+ TALLOC_FREE(frame);
+ return result;
}
NTSTATUS parse_user_quota_list(const uint8_t *curdata,
DATA_BLOB *outbuf,
SMB_NTQUOTA_LIST **end_ptr)
{
- uint32_t qt_len = 0;
- uint8_t *entry;
- uint32_t entry_len;
- int sid_len;
- SMB_NTQUOTA_LIST *qtl;
- DATA_BLOB qbuf = data_blob_null;
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
-
- if (qt_list == NULL) {
- status = NT_STATUS_OK;
- *outbuf = data_blob_null;
- if (end_ptr) {
- *end_ptr = NULL;
- }
- return NT_STATUS_OK;
- }
-
- for (qtl = qt_list; qtl != NULL; qtl = qtl->next) {
-
- sid_len = ndr_size_dom_sid(&qtl->quotas->sid, 0);
- if (47 + sid_len < 47) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto fail;
- }
- entry_len = 40 + sid_len;
- entry_len = ((entry_len + 7) / 8) * 8;
-
- if (qt_len + entry_len < qt_len) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto fail;
- }
- qt_len += entry_len;
- }
-
- if (maxlen > 0 && qt_len > maxlen) {
- qt_len = maxlen;
- }
-
- qbuf = data_blob_talloc_zero(mem_ctx, qt_len);
- if (qbuf.data == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
-
- for (qt_len = 0, entry = qbuf.data; qt_list != NULL;
- qt_list = qt_list->next, qt_len += entry_len, entry += entry_len) {
-
- sid_len = ndr_size_dom_sid(&qt_list->quotas->sid, 0);
- entry_len = 40 + sid_len;
- entry_len = ((entry_len + 7) / 8) * 8;
-
- if (qt_len + entry_len > qbuf.length) {
- /* check for not-enough room even for a single
- * entry
- */
- if (qt_len == 0) {
- status = NT_STATUS_BUFFER_TOO_SMALL;
- goto fail;
- }
-
- break;
- }
-
- /* nextoffset entry 4 bytes */
- SIVAL(entry, 0, entry_len);
-
- /* then the len of the SID 4 bytes */
- SIVAL(entry, 4, sid_len);
-
- /* NTTIME of last record change */
- SBIG_UINT(entry, 8, (uint64_t)0);
-
- /* the used disk space 8 bytes uint64_t */
- SBIG_UINT(entry, 16, qt_list->quotas->usedspace);
-
- /* the soft quotas 8 bytes uint64_t */
- SBIG_UINT(entry, 24, qt_list->quotas->softlim);
-
- /* the hard quotas 8 bytes uint64_t */
- SBIG_UINT(entry, 32, qt_list->quotas->hardlim);
-
- /* and now the SID */
- sid_linearize((uint8_t *)(entry + 40), sid_len,
- &qt_list->quotas->sid);
- }
-
- /* overwrite the offset of the last entry */
- SIVAL(entry - entry_len, 0, 0);
-
- /*potentially shrink the buffer if max was given
- * and we haven't quite reached the max
- */
- qbuf.length = qt_len;
- *outbuf = qbuf;
- qbuf = data_blob_null;
- status = NT_STATUS_OK;
-
- if (end_ptr) {
- *end_ptr = qt_list;
- }
-
-fail:
- data_blob_free(&qbuf);
-
- return status;
+ return fill_quota_buffer(mem_ctx,
+ qt_list,
+ false,
+ maxlen,
+ outbuf,
+ end_ptr);
}
NTSTATUS build_fs_quota_buffer(TALLOC_CTX *mem_ctx,
SMB_NTQUOTA_STRUCT *pqt)
{
uint16_t setup[1];
- uint8_t params[16];
- unsigned int data_len;
- uint8_t data[SID_MAX_SIZE+8];
- uint8_t *rparam, *rdata;
+ uint8_t *rparam = NULL, *rdata = NULL;
uint32_t rparam_count, rdata_count;
unsigned int sid_len;
unsigned int offset;
+ struct nttrans_query_quota_params get_quota = {0};
+ struct file_get_quota_info info = {0};
+ enum ndr_err_code err;
+ struct ndr_push *ndr_push = NULL;
NTSTATUS status;
+ TALLOC_CTX *frame = talloc_stackframe();
+ DATA_BLOB data_blob = data_blob_null;
if (!cli||!pqt) {
smb_panic("cli_get_user_quota() called with NULL Pointer!");
}
if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
+ TALLOC_FREE(frame);
return cli_smb2_get_user_quota(cli, quota_fnum, pqt);
}
- SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
-
- SSVAL(params, 0,quota_fnum);
- SSVAL(params, 2,TRANSACT_GET_USER_QUOTA_FOR_SID);
- SIVAL(params, 4,0x00000024);
- SIVAL(params, 8,0x00000000);
- SIVAL(params,12,0x00000024);
+ get_quota.fid = quota_fnum;
+ get_quota.return_single_entry = 1;
+ get_quota.restart_scan = 0;
sid_len = ndr_size_dom_sid(&pqt->sid, 0);
- data_len = sid_len+8;
- SIVAL(data, 0, 0x00000000);
- SIVAL(data, 4, sid_len);
- sid_linearize(data+8, sid_len, &pqt->sid);
+
+ info.next_entry_offset = 0;
+ info.sid_length = sid_len;
+ info.sid = pqt->sid;
+
+ err = ndr_push_struct_blob(
+ &data_blob,
+ frame,
+ &info,
+ (ndr_push_flags_fn_t)ndr_push_file_get_quota_info);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ status = NT_STATUS_INTERNAL_ERROR;
+ goto out;
+ }
+
+ get_quota.sid_list_length = data_blob.length;
+ get_quota.start_sid_offset = data_blob.length;
+
+ ndr_push = ndr_push_init_ctx(frame);
+
+ if (!ndr_push) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ err = ndr_push_nttrans_query_quota_params(ndr_push,
+ NDR_SCALARS | NDR_BUFFERS,
+ &get_quota);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ status = NT_STATUS_INTERNAL_ERROR;
+ goto out;
+ }
status = cli_trans(talloc_tos(), cli, SMBnttrans,
NULL, -1, /* name, fid */
NT_TRANSACT_GET_USER_QUOTA, 0,
setup, 1, 0, /* setup */
- params, 16, 4, /* params */
- data, data_len, 112, /* data */
+ ndr_push->data, ndr_push->offset, 4, /* params */
+ data_blob.data, data_blob.length, 112, /* data */
NULL, /* recv_flags2 */
NULL, 0, NULL, /* rsetup */
&rparam, 4, &rparam_count,
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
nt_errstr(status)));
- return status;
+ goto out;
}
if (!parse_user_quota_record(rdata, rdata_count, &offset, pqt)) {
DEBUG(0,("Got INVALID NT_TRANSACT_GET_USER_QUOTA reply.\n"));
}
+out:
TALLOC_FREE(rparam);
TALLOC_FREE(rdata);
+ TALLOC_FREE(frame);
return status;
}
status = build_user_quota_buffer(qtl, 0, talloc_tos(), &data, NULL);
if (!NT_STATUS_IS_OK(status)) {
- goto cleanup;
+ /*
+ * smb1 doesn't send NT_STATUS_NO_MORE_ENTRIES so swallow
+ * this status.
+ */
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
+ status = NT_STATUS_OK;
+ } else {
+ goto cleanup;
+ }
}
SSVAL(setup + 0, 0, NT_TRANSACT_SET_USER_QUOTA);
bool first)
{
uint16_t setup[1];
- uint8_t params[16];
+ DATA_BLOB params_blob = data_blob_null;
uint8_t *rparam=NULL, *rdata=NULL;
uint32_t rparam_count=0, rdata_count=0;
NTSTATUS status;
- uint16_t op = first ? TRANSACT_GET_USER_QUOTA_LIST_START
- : TRANSACT_GET_USER_QUOTA_LIST_CONTINUE;
+ struct nttrans_query_quota_params quota_params = {0};
+ enum ndr_err_code err;
+ TALLOC_CTX *frame = NULL;
if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
return cli_smb2_list_user_quota_step(cli, mem_ctx, quota_fnum,
pqt_list, first);
}
+ frame = talloc_stackframe();
SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
- SSVAL(params, 0,quota_fnum);
- SSVAL(params, 2, op);
- SIVAL(params, 4,0x00000000);
- SIVAL(params, 8,0x00000000);
- SIVAL(params,12,0x00000000);
+ quota_params.fid = quota_fnum;
+ if (first) {
+ quota_params.restart_scan = 1;
+ }
+ err = ndr_push_struct_blob(
+ ¶ms_blob,
+ frame,
+ "a_params,
+ (ndr_push_flags_fn_t)ndr_push_nttrans_query_quota_params);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
status = cli_trans(talloc_tos(), cli, SMBnttrans,
NULL, -1, /* name, fid */
NT_TRANSACT_GET_USER_QUOTA, 0,
setup, 1, 0, /* setup */
- params, 16, 4, /* params */
+ params_blob.data, params_blob.length, 4, /* params */
NULL, 0, 2048, /* data */
NULL, /* recv_flags2 */
NULL, 0, NULL, /* rsetup */
cleanup:
TALLOC_FREE(rparam);
TALLOC_FREE(rdata);
+ TALLOC_FREE(frame);
return status;
}
return status;
}
+
+NTSTATUS fill_quota_buffer(TALLOC_CTX *mem_ctx,
+ SMB_NTQUOTA_LIST *qlist,
+ bool return_single,
+ uint32_t max_data,
+ DATA_BLOB *blob,
+ SMB_NTQUOTA_LIST **end_ptr)
+{
+ int ndr_flags = NDR_SCALARS | NDR_BUFFERS;
+ struct ndr_push *qndr = ndr_push_init_ctx(mem_ctx);
+ uint32_t start_offset = 0;
+ uint32_t padding = 0;
+ if (qlist == NULL) {
+ /* We must push at least one. */
+ return NT_STATUS_NO_MORE_ENTRIES;
+ }
+ for (;qlist != NULL; qlist = qlist->next) {
+ struct file_quota_information info = {0};
+ enum ndr_err_code err;
+ uint32_t dsize = sizeof(info.next_entry_offset)
+ + sizeof(info.sid_length)
+ + sizeof(info.change_time)
+ + sizeof(info.quota_used)
+ + sizeof(info.quota_threshold)
+ + sizeof(info.quota_limit);
+
+
+ info.sid_length = ndr_size_dom_sid(&qlist->quotas->sid, 0);
+
+ if (max_data) {
+ uint32_t curr_pos_no_padding = qndr->offset - padding;
+ uint32_t payload = dsize + info.sid_length;
+ uint32_t new_pos = (curr_pos_no_padding + payload);
+ if (new_pos < curr_pos_no_padding) {
+ /* Detect unlikely integer wrap */
+ DBG_ERR("Integer wrap while adjusting pos "
+ "0x%x by offset 0x%x\n",
+ curr_pos_no_padding, payload);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+ if (new_pos > max_data) {
+ DBG_WARNING("Max data will be exceeded "
+ "writing next query info. "
+ "cur_pos 0x%x, sid_length 0x%x, "
+ "dsize 0x%x, max_data 0x%x\n",
+ curr_pos_no_padding,
+ info.sid_length,
+ dsize,
+ max_data);
+ break;
+ }
+ }
+
+ start_offset = qndr->offset;
+ info.sid = qlist->quotas->sid;
+ info.quota_used = qlist->quotas->usedspace;
+ info.quota_threshold = qlist->quotas->softlim;
+ info.quota_limit = qlist->quotas->hardlim;
+
+ err = ndr_push_file_quota_information(qndr,
+ ndr_flags,
+ &info);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
+ DBG_DEBUG("Failed to push the quota sid\n");
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ /* pidl will align to 8 bytes due to 8 byte members*/
+ /* Remember how much align padding we've used. */
+ padding = qndr->offset;
+ ndr_push_align(qndr, 8);
+ padding = qndr->offset - padding;
+
+ /*
+ * Overwrite next_entry_offset for this entry now
+ * we know what it should be. We know we're using
+ * LIBNDR_FLAG_LITTLE_ENDIAN here so we can use
+ * SIVAL.
+ */
+ info.next_entry_offset = qndr->offset - start_offset;
+ SIVAL(qndr->data, start_offset, info.next_entry_offset);
+
+ if (return_single) {
+ break;
+ }
+ }
+
+ if (end_ptr != NULL) {
+ *end_ptr = qlist;
+ }
+
+ /* Remove the padding alignment on the last element pushed. */
+ blob->length = qndr->offset - padding;
+ blob->data = qndr->data;
+
+ /*
+ * Terminate the pushed array by setting next_entry_offset
+ * for the last element to zero.
+ */
+ if (blob->length >= sizeof(uint32_t)) {
+ SIVAL(qndr->data, start_offset, 0);
+ }
+ return NT_STATUS_OK;
+}
git.samba.org / samba.git / commitdiff