#include "includes.h"
#include "libsmb/libsmb.h"
-#include "../lib/async_req/async_sock.h"
#include "../lib/util/tevent_ntstatus.h"
-#include "../lib/util/tevent_unix.h"
#include "async_smb.h"
-#include "../libcli/smb/smb_seal.h"
-#include "libsmb/nmblib.h"
-#include "../libcli/smb/read_smb.h"
-
-static NTSTATUS cli_pull_raw_error(const uint8_t *buf)
-{
- const uint8_t *hdr = buf + NBT_HDR_SIZE;
- uint32_t flags2 = SVAL(hdr, HDR_FLG2);
- NTSTATUS status = NT_STATUS(IVAL(hdr, HDR_RCLS));
-
- if (NT_STATUS_IS_OK(status)) {
- return NT_STATUS_OK;
- }
-
- if (flags2 & FLAGS2_32_BIT_ERROR_CODES) {
- return status;
- }
-
- return NT_STATUS_DOS(CVAL(hdr, HDR_RCLS), SVAL(hdr, HDR_ERR));
-}
-
-/**
- * Figure out if there is an andx command behind the current one
- * @param[in] buf The smb buffer to look at
- * @param[in] ofs The offset to the wct field that is followed by the cmd
- * @retval Is there a command following?
- */
-
-static bool have_andx_command(const char *buf, uint16_t ofs, uint8_t cmd)
-{
- uint8_t wct;
- size_t buflen = talloc_get_size(buf);
-
- if (!is_andx_req(cmd)) {
- return false;
- }
-
- if ((ofs == buflen-1) || (ofs == buflen)) {
- return false;
- }
-
- wct = CVAL(buf, ofs);
- if (wct < 2) {
- /*
- * Not enough space for the command and a following pointer
- */
- return false;
- }
- return (CVAL(buf, ofs+1) != 0xff);
-}
-
-#define MAX_SMB_IOV 5
-
-struct cli_smb_state {
- struct tevent_context *ev;
- struct cli_state *cli;
- uint8_t header[smb_wct+1]; /* Space for the header including the wct */
-
- /*
- * For normal requests, cli_smb_req_send chooses a mid. Secondary
- * trans requests need to use the mid of the primary request, so we
- * need a place to store it. Assume it's set if != 0.
- */
- uint16_t mid;
-
- uint16_t *vwv;
- uint8_t bytecount_buf[2];
-
- struct iovec iov[MAX_SMB_IOV+3];
- int iov_count;
-
- uint8_t *inbuf;
- uint32_t seqnum;
- int chain_num;
- int chain_length;
- struct tevent_req **chained_requests;
-
- bool one_way;
-};
-
-static uint16_t cli_alloc_mid(struct cli_state *cli)
-{
- int num_pending = talloc_array_length(cli->conn.pending);
- uint16_t result;
-
- while (true) {
- int i;
-
- result = cli->conn.smb1.mid++;
- if ((result == 0) || (result == 0xffff)) {
- continue;
- }
-
- for (i=0; i<num_pending; i++) {
- if (result == cli_smb_req_mid(cli->conn.pending[i])) {
- break;
- }
- }
-
- if (i == num_pending) {
- return result;
- }
- }
-}
+#include "../libcli/smb/smbXcli_base.h"
void cli_smb_req_unset_pending(struct tevent_req *req)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- struct cli_state *cli = state->cli;
- int num_pending = talloc_array_length(cli->conn.pending);
- int i;
-
- if (state->mid != 0) {
- /*
- * This is a [nt]trans[2] request which waits
- * for more than one reply.
- */
- return;
- }
-
- talloc_set_destructor(req, NULL);
-
- if (num_pending == 1) {
- /*
- * The pending read_smb tevent_req is a child of
- * cli->pending. So if nothing is pending anymore, we need to
- * delete the socket read fde.
- */
- TALLOC_FREE(cli->conn.pending);
- cli->conn.read_smb_req = NULL;
- return;
- }
-
- for (i=0; i<num_pending; i++) {
- if (req == cli->conn.pending[i]) {
- break;
- }
- }
- if (i == num_pending) {
- /*
- * Something's seriously broken. Just returning here is the
- * right thing nevertheless, the point of this routine is to
- * remove ourselves from cli->conn.pending.
- */
- return;
- }
-
- /*
- * Remove ourselves from the cli->conn.pending array
- */
- for (; i < (num_pending - 1); i++) {
- cli->conn.pending[i] = cli->conn.pending[i+1];
- }
-
- /*
- * No NULL check here, we're shrinking by sizeof(void *), and
- * talloc_realloc just adjusts the size for this.
- */
- cli->conn.pending = talloc_realloc(NULL, cli->conn.pending,
- struct tevent_req *,
- num_pending - 1);
- return;
+ smbXcli_req_unset_pending(req);
}
-static int cli_smb_req_destructor(struct tevent_req *req)
-{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- /*
- * Make sure we really remove it from
- * the pending array on destruction.
- */
- state->mid = 0;
- cli_smb_req_unset_pending(req);
- return 0;
-}
-
-static bool cli_state_receive_next(struct cli_state *cli);
-static void cli_state_notify_pending(struct cli_state *cli, NTSTATUS status);
-
bool cli_smb_req_set_pending(struct tevent_req *req)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- struct cli_state *cli;
- struct tevent_req **pending;
- int num_pending;
-
- cli = state->cli;
- num_pending = talloc_array_length(cli->conn.pending);
-
- pending = talloc_realloc(cli, cli->conn.pending, struct tevent_req *,
- num_pending+1);
- if (pending == NULL) {
- return false;
- }
- pending[num_pending] = req;
- cli->conn.pending = pending;
- talloc_set_destructor(req, cli_smb_req_destructor);
-
- if (!cli_state_receive_next(cli)) {
- /*
- * the caller should notify the current request
- *
- * And all other pending requests get notified
- * by cli_state_notify_pending().
- */
- cli_smb_req_unset_pending(req);
- cli_state_notify_pending(cli, NT_STATUS_NO_MEMORY);
- return false;
- }
-
- return true;
-}
-
-static void cli_smb_received(struct tevent_req *subreq);
-static NTSTATUS cli_state_dispatch_smb1(struct cli_state *cli,
- TALLOC_CTX *frame,
- uint8_t *inbuf);
-
-static bool cli_state_receive_next(struct cli_state *cli)
-{
- size_t num_pending = talloc_array_length(cli->conn.pending);
- struct tevent_req *req;
- struct cli_smb_state *state;
-
- if (cli->conn.read_smb_req != NULL) {
- return true;
- }
-
- if (num_pending == 0) {
- return true;
- }
-
- req = cli->conn.pending[0];
- state = tevent_req_data(req, struct cli_smb_state);
-
- cli->conn.dispatch_incoming = cli_state_dispatch_smb1;
-
- /*
- * We're the first ones, add the read_smb request that waits for the
- * answer from the server
- */
- cli->conn.read_smb_req = read_smb_send(cli->conn.pending, state->ev,
- cli->conn.fd);
- if (cli->conn.read_smb_req == NULL) {
- return false;
- }
- tevent_req_set_callback(cli->conn.read_smb_req, cli_smb_received, cli);
- return true;
-}
-
-static void cli_state_notify_pending(struct cli_state *cli, NTSTATUS status)
-{
- cli_state_disconnect(cli);
-
- /*
- * Cancel all pending requests. We do not do a for-loop walking
- * cli->conn.pending because that array changes in
- * cli_smb_req_destructor().
- */
- while (talloc_array_length(cli->conn.pending) > 0) {
- struct tevent_req *req;
- struct cli_smb_state *state;
-
- req = cli->conn.pending[0];
- state = tevent_req_data(req, struct cli_smb_state);
-
- /*
- * We're dead. No point waiting for trans2
- * replies.
- */
- state->mid = 0;
-
- cli_smb_req_unset_pending(req);
-
- /*
- * we need to defer the callback, because we may notify more
- * then one caller.
- */
- tevent_req_defer_callback(req, state->ev);
- tevent_req_nterror(req, status);
- }
+ return smbXcli_req_set_pending(req);
}
/*
*/
uint16_t cli_smb_req_mid(struct tevent_req *req)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
-
- if (state->mid != 0) {
- return state->mid;
- }
-
- return SVAL(state->header, smb_mid);
+ return smb1cli_req_mid(req);
}
void cli_smb_req_set_mid(struct tevent_req *req, uint16_t mid)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- state->mid = mid;
+ smb1cli_req_set_mid(req, mid);
}
uint32_t cli_smb_req_seqnum(struct tevent_req *req)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- return state->seqnum;
+ return smb1cli_req_seqnum(req);
}
void cli_smb_req_set_seqnum(struct tevent_req *req, uint32_t seqnum)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- state->seqnum = seqnum;
+ smb1cli_req_set_seqnum(req, seqnum);
}
-static size_t iov_len(const struct iovec *iov, int count)
+struct cli_smb_req_state {
+ struct cli_state *cli;
+ uint8_t smb_command;
+ struct tevent_req *req;
+ struct cli_smb_req_state **ptr;
+};
+
+static int cli_smb_req_state_destructor(struct cli_smb_req_state *state)
{
- size_t result = 0;
- int i;
- for (i=0; i<count; i++) {
- result += iov[i].iov_len;
- }
- return result;
+ talloc_set_destructor(state->ptr, NULL);
+ talloc_free(state->ptr);
+ return 0;
}
-static uint8_t *iov_concat(TALLOC_CTX *mem_ctx, const struct iovec *iov,
- int count)
+static int cli_smb_req_state_ptr_destructor(struct cli_smb_req_state **ptr)
{
- size_t len = iov_len(iov, count);
- size_t copied;
- uint8_t *buf;
- int i;
+ struct cli_smb_req_state *state = *ptr;
+ void *parent = talloc_parent(state);
- buf = talloc_array(mem_ctx, uint8_t, len);
- if (buf == NULL) {
- return NULL;
- }
- copied = 0;
- for (i=0; i<count; i++) {
- memcpy(buf+copied, iov[i].iov_base, iov[i].iov_len);
- copied += iov[i].iov_len;
- }
- return buf;
+ talloc_set_destructor(state, NULL);
+
+ talloc_reparent(state, parent, state->req);
+ talloc_free(state);
+ return 0;
}
struct tevent_req *cli_smb_req_create(TALLOC_CTX *mem_ctx,
int iov_count,
struct iovec *bytes_iov)
{
- struct tevent_req *result;
- struct cli_smb_state *state;
- struct timeval endtime;
-
- if (iov_count > MAX_SMB_IOV) {
- /*
- * Should not happen :-)
- */
- return NULL;
- }
+ struct cli_smb_req_state *state;
+ uint8_t clear_flags = 0;
+ uint16_t additional_flags2 = 0;
+ uint16_t clear_flags2 = 0;
- result = tevent_req_create(mem_ctx, &state, struct cli_smb_state);
- if (result == NULL) {
+ state = talloc_zero(mem_ctx, struct cli_smb_req_state);
+ if (state == NULL) {
return NULL;
}
- state->ev = ev;
state->cli = cli;
- state->mid = 0; /* Set to auto-choose in cli_smb_req_send */
- state->chain_num = 0;
- state->chained_requests = NULL;
-
- cli_setup_packet_buf(cli, (char *)state->header);
- SCVAL(state->header, smb_com, smb_command);
- SSVAL(state->header, smb_tid, cli->smb1.tid);
- SCVAL(state->header, smb_wct, wct);
-
- state->vwv = vwv;
-
- SSVAL(state->bytecount_buf, 0, iov_len(bytes_iov, iov_count));
-
- state->iov[0].iov_base = (void *)state->header;
- state->iov[0].iov_len = sizeof(state->header);
- state->iov[1].iov_base = (void *)state->vwv;
- state->iov[1].iov_len = wct * sizeof(uint16_t);
- state->iov[2].iov_base = (void *)state->bytecount_buf;
- state->iov[2].iov_len = sizeof(uint16_t);
-
- if (iov_count != 0) {
- memcpy(&state->iov[3], bytes_iov,
- iov_count * sizeof(*bytes_iov));
- }
- state->iov_count = iov_count + 3;
-
- if (cli->timeout) {
- endtime = timeval_current_ofs_msec(cli->timeout);
- if (!tevent_req_set_endtime(result, ev, endtime)) {
- return result;
- }
- }
-
- switch (smb_command) {
- case SMBtranss:
- case SMBtranss2:
- case SMBnttranss:
- case SMBntcancel:
- state->one_way = true;
- break;
- case SMBlockingX:
- if ((wct == 8) &&
- (CVAL(vwv+3, 0) == LOCKING_ANDX_OPLOCK_RELEASE)) {
- state->one_way = true;
- }
- break;
- }
-
- return result;
-}
-
-static NTSTATUS cli_signv(struct cli_state *cli, struct iovec *iov, int count,
- uint32_t *seqnum)
-{
- uint8_t *buf;
-
- /*
- * Obvious optimization: Make cli_calculate_sign_mac work with struct
- * iovec directly. MD5Update would do that just fine.
- */
-
- if ((count <= 0) || (iov[0].iov_len < smb_wct)) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- buf = iov_concat(talloc_tos(), iov, count);
- if (buf == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- cli_calculate_sign_mac(cli, (char *)buf, seqnum);
- memcpy(iov[0].iov_base, buf, iov[0].iov_len);
-
- TALLOC_FREE(buf);
- return NT_STATUS_OK;
-}
-
-static void cli_smb_sent(struct tevent_req *subreq);
-
-static NTSTATUS cli_smb_req_iov_send(struct tevent_req *req,
- struct cli_smb_state *state,
- struct iovec *iov, int iov_count)
-{
- struct tevent_req *subreq;
- NTSTATUS status;
-
- if (!cli_state_is_connected(state->cli)) {
- return NT_STATUS_CONNECTION_DISCONNECTED;
- }
-
- if (iov[0].iov_len < smb_wct) {
- return NT_STATUS_INVALID_PARAMETER;
+ state->smb_command = smb_command;
+ state->ptr = talloc(state, struct cli_smb_req_state *);
+ if (state->ptr == NULL) {
+ talloc_free(state);
+ return NULL;
}
+ *state->ptr = state;
- if (state->mid != 0) {
- SSVAL(iov[0].iov_base, smb_mid, state->mid);
+ if (cli->case_sensitive) {
+ clear_flags |= FLAG_CASELESS_PATHNAMES;
} else {
- uint16_t mid = cli_alloc_mid(state->cli);
- SSVAL(iov[0].iov_base, smb_mid, mid);
+ /* Default setting, case insensitive. */
+ additional_flags |= FLAG_CASELESS_PATHNAMES;
}
- smb_setlen_nbt((char *)iov[0].iov_base, iov_len(iov, iov_count) - 4);
-
- status = cli_signv(state->cli, iov, iov_count, &state->seqnum);
+ if ((cli_state_capabilities(cli) & CAP_DFS) && cli->dfsroot) {
+ additional_flags2 |= FLAGS2_DFS_PATHNAMES;
+ }
- if (!NT_STATUS_IS_OK(status)) {
- return status;
+ state->req = smb1cli_req_create(state, ev, cli->conn, smb_command,
+ additional_flags, clear_flags,
+ additional_flags2, clear_flags2,
+ cli->timeout,
+ cli->smb1.pid,
+ cli->smb1.tid,
+ cli->smb1.uid,
+ wct, vwv, iov_count, bytes_iov);
+ if (state->req == NULL) {
+ talloc_free(state);
+ return NULL;
}
- if (cli_state_encryption_on(state->cli)) {
- char *buf, *enc_buf;
+ talloc_reparent(state, state->req, state->ptr);
+ talloc_set_destructor(state, cli_smb_req_state_destructor);
+ talloc_set_destructor(state->ptr, cli_smb_req_state_ptr_destructor);
- buf = (char *)iov_concat(talloc_tos(), iov, iov_count);
- if (buf == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- status = common_encrypt_buffer(state->cli->trans_enc_state,
- (char *)buf, &enc_buf);
- TALLOC_FREE(buf);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("Error in encrypting client message: %s\n",
- nt_errstr(status)));
- return status;
- }
- buf = (char *)talloc_memdup(state, enc_buf,
- smb_len_nbt(enc_buf)+4);
- SAFE_FREE(enc_buf);
- if (buf == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- iov[0].iov_base = (void *)buf;
- iov[0].iov_len = talloc_get_size(buf);
- iov_count = 1;
- }
- subreq = writev_send(state, state->ev, state->cli->conn.outgoing,
- state->cli->conn.fd, false, iov, iov_count);
- if (subreq == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- tevent_req_set_callback(subreq, cli_smb_sent, req);
- return NT_STATUS_OK;
+ return state->req;
}
NTSTATUS cli_smb_req_send(struct tevent_req *req)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
-
- if (!tevent_req_is_in_progress(req)) {
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- return cli_smb_req_iov_send(req, state, state->iov, state->iov_count);
+ return smb1cli_req_chain_submit(&req, 1);
}
struct tevent_req *cli_smb_send(TALLOC_CTX *mem_ctx,
uint32_t num_bytes,
const uint8_t *bytes)
{
- struct tevent_req *req;
- struct iovec iov;
- NTSTATUS status;
-
- iov.iov_base = discard_const_p(void, bytes);
- iov.iov_len = num_bytes;
+ struct cli_smb_req_state *state;
+ uint8_t clear_flags = 0;
+ uint16_t additional_flags2 = 0;
+ uint16_t clear_flags2 = 0;
- req = cli_smb_req_create(mem_ctx, ev, cli, smb_command,
- additional_flags, wct, vwv, 1, &iov);
- if (req == NULL) {
+ state = talloc_zero(mem_ctx, struct cli_smb_req_state);
+ if (state == NULL) {
return NULL;
}
- if (!tevent_req_is_in_progress(req)) {
- return tevent_req_post(req, ev);
- }
- status = cli_smb_req_send(req);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, ev);
- }
- return req;
-}
-
-static void cli_smb_sent(struct tevent_req *subreq)
-{
- struct tevent_req *req = tevent_req_callback_data(
- subreq, struct tevent_req);
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- ssize_t nwritten;
- int err;
-
- nwritten = writev_recv(subreq, &err);
- TALLOC_FREE(subreq);
- if (nwritten == -1) {
- NTSTATUS status = map_nt_error_from_unix_common(err);
- cli_state_notify_pending(state->cli, status);
- return;
- }
-
- if (state->one_way) {
- state->inbuf = NULL;
- tevent_req_done(req);
- return;
- }
-
- if (!cli_smb_req_set_pending(req)) {
- tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
- return;
- }
-}
-
-static void cli_smb_received(struct tevent_req *subreq)
-{
- struct cli_state *cli = tevent_req_callback_data(
- subreq, struct cli_state);
- TALLOC_CTX *frame = talloc_stackframe();
- NTSTATUS status;
- uint8_t *inbuf;
- ssize_t received;
- int err;
-
- if (subreq != cli->conn.read_smb_req) {
- DEBUG(1, ("Internal error: cli_smb_received called with "
- "unexpected subreq\n"));
- status = NT_STATUS_INTERNAL_ERROR;
- cli_state_notify_pending(cli, status);
- TALLOC_FREE(frame);
- return;
- }
-
- received = read_smb_recv(subreq, frame, &inbuf, &err);
- TALLOC_FREE(subreq);
- cli->conn.read_smb_req = NULL;
- if (received == -1) {
- status = map_nt_error_from_unix_common(err);
- cli_state_notify_pending(cli, status);
- TALLOC_FREE(frame);
- return;
- }
-
- status = cli->conn.dispatch_incoming(cli, frame, inbuf);
- TALLOC_FREE(frame);
- if (NT_STATUS_IS_OK(status)) {
- /*
- * We should not do any more processing
- * as the dispatch function called
- * tevent_req_done().
- */
- return;
- } else if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
- /*
- * We got an error, so notify all pending requests
- */
- cli_state_notify_pending(cli, status);
- return;
- }
-
- /*
- * We got NT_STATUS_RETRY, so we may ask for a
- * next incoming pdu.
- */
- if (!cli_state_receive_next(cli)) {
- cli_state_notify_pending(cli, NT_STATUS_NO_MEMORY);
- }
-}
-
-static NTSTATUS cli_state_dispatch_smb1(struct cli_state *cli,
- TALLOC_CTX *frame,
- uint8_t *inbuf)
-{
- struct tevent_req *req;
- struct cli_smb_state *state;
- NTSTATUS status;
- int num_pending;
- int i;
- uint16_t mid;
- bool oplock_break;
- const uint8_t *inhdr = inbuf + NBT_HDR_SIZE;
-
- if ((IVAL(inhdr, 0) != SMB_MAGIC) /* 0xFF"SMB" */
- && (SVAL(inhdr, 0) != 0x45ff)) /* 0xFF"E" */ {
- DEBUG(10, ("Got non-SMB PDU\n"));
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
-
- if (cli_state_encryption_on(cli) && (CVAL(inbuf, 0) == 0)) {
- uint16_t enc_ctx_num;
-
- status = get_enc_ctx_num(inbuf, &enc_ctx_num);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("get_enc_ctx_num returned %s\n",
- nt_errstr(status)));
- return status;
- }
-
- if (enc_ctx_num != cli->trans_enc_state->enc_ctx_num) {
- DEBUG(10, ("wrong enc_ctx %d, expected %d\n",
- enc_ctx_num,
- cli->trans_enc_state->enc_ctx_num));
- return NT_STATUS_INVALID_HANDLE;
- }
-
- status = common_decrypt_buffer(cli->trans_enc_state,
- (char *)inbuf);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("common_decrypt_buffer returned %s\n",
- nt_errstr(status)));
- return status;
- }
- }
-
- mid = SVAL(inhdr, HDR_MID);
- num_pending = talloc_array_length(cli->conn.pending);
-
- for (i=0; i<num_pending; i++) {
- if (mid == cli_smb_req_mid(cli->conn.pending[i])) {
- break;
- }
- }
- if (i == num_pending) {
- /* Dump unexpected reply */
- return NT_STATUS_RETRY;
+ state->cli = cli;
+ state->smb_command = smb_command;
+ state->ptr = talloc(state, struct cli_smb_req_state *);
+ if (state->ptr == NULL) {
+ talloc_free(state);
+ return NULL;
}
+ *state->ptr = state;
- oplock_break = false;
-
- if (mid == 0xffff) {
- /*
- * Paranoia checks that this is really an oplock break request.
- */
- oplock_break = (smb_len_nbt(inbuf) == 51); /* hdr + 8 words */
- oplock_break &= ((CVAL(inhdr, HDR_FLG) & FLAG_REPLY) == 0);
- oplock_break &= (CVAL(inhdr, HDR_COM) == SMBlockingX);
- oplock_break &= (SVAL(inhdr, HDR_VWV+VWV(6)) == 0);
- oplock_break &= (SVAL(inhdr, HDR_VWV+VWV(7)) == 0);
-
- if (!oplock_break) {
- /* Dump unexpected reply */
- return NT_STATUS_RETRY;
- }
+ if (cli->case_sensitive) {
+ clear_flags |= FLAG_CASELESS_PATHNAMES;
+ } else {
+ /* Default setting, case insensitive. */
+ additional_flags |= FLAG_CASELESS_PATHNAMES;
}
- req = cli->conn.pending[i];
- state = tevent_req_data(req, struct cli_smb_state);
-
- if (!oplock_break /* oplock breaks are not signed */
- && !cli_check_sign_mac(cli, (char *)inbuf, state->seqnum+1)) {
- DEBUG(10, ("cli_check_sign_mac failed\n"));
- return NT_STATUS_ACCESS_DENIED;
+ if ((cli_state_capabilities(cli) & CAP_DFS) && cli->dfsroot) {
+ additional_flags2 |= FLAGS2_DFS_PATHNAMES;
}
- if (state->chained_requests != NULL) {
- struct tevent_req **chain = talloc_move(frame,
- &state->chained_requests);
- int num_chained = talloc_array_length(chain);
-
- /*
- * We steal the inbuf to the chain,
- * so that it will stay until all
- * requests of the chain are finished.
- *
- * Each requests in the chain will
- * hold a talloc reference to the chain.
- * This way we do not expose the talloc_reference()
- * behavior to the callers.
- */
- talloc_steal(chain, inbuf);
-
- for (i=0; i<num_chained; i++) {
- struct tevent_req **ref;
-
- req = chain[i];
- state = tevent_req_data(req, struct cli_smb_state);
-
- cli_smb_req_unset_pending(req);
-
- /*
- * as we finish multiple requests here
- * we need to defer the callbacks as
- * they could destroy our current stack state.
- */
- tevent_req_defer_callback(req, state->ev);
-
- ref = talloc_reference(state, chain);
- if (tevent_req_nomem(ref, req)) {
- continue;
- }
-
- state->inbuf = inbuf;
- state->chain_num = i;
- state->chain_length = num_chained;
-
- tevent_req_done(req);
- }
-
- return NT_STATUS_RETRY;
+ state->req = smb1cli_req_send(state, ev, cli->conn, smb_command,
+ additional_flags, clear_flags,
+ additional_flags2, clear_flags2,
+ cli->timeout,
+ cli->smb1.pid,
+ cli->smb1.tid,
+ cli->smb1.uid,
+ wct, vwv, num_bytes, bytes);
+ if (state->req == NULL) {
+ talloc_free(state);
+ return NULL;
}
- cli_smb_req_unset_pending(req);
-
- state->inbuf = talloc_move(state, &inbuf);
- state->chain_num = 0;
- state->chain_length = 1;
+ talloc_reparent(state, state->req, state->ptr);
+ talloc_set_destructor(state, cli_smb_req_state_destructor);
+ talloc_set_destructor(state->ptr, cli_smb_req_state_ptr_destructor);
- if (talloc_array_length(cli->conn.pending) == 0) {
- tevent_req_done(req);
- return NT_STATUS_OK;
- }
-
- tevent_req_defer_callback(req, state->ev);
- tevent_req_done(req);
- return NT_STATUS_RETRY;
+ return state->req;
}
NTSTATUS cli_smb_recv(struct tevent_req *req,
uint8_t min_wct, uint8_t *pwct, uint16_t **pvwv,
uint32_t *pnum_bytes, uint8_t **pbytes)
{
- struct cli_smb_state *state = tevent_req_data(
- req, struct cli_smb_state);
- NTSTATUS status = NT_STATUS_OK;
- uint8_t cmd, wct;
- uint16_t num_bytes;
- size_t wct_ofs, bytes_offset;
- int i;
+ NTSTATUS status;
+ void *parent = talloc_parent(req);
+ struct cli_smb_req_state *state =
+ talloc_get_type(parent,
+ struct cli_smb_req_state);
+ struct iovec *recv_iov = NULL;
+ uint8_t wct = 0;
+ uint16_t *vwv = NULL;
+ uint32_t num_bytes;
+ uint8_t *bytes = NULL;
+ uint8_t *inbuf;
+ bool is_expected = false;
+ bool map_dos_errors = true;
- if (tevent_req_is_nterror(req, &status)) {
- return status;
+ if (pinbuf != NULL) {
+ *pinbuf = NULL;
}
-
- if (state->inbuf == NULL) {
- if (min_wct != 0) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- if (pinbuf) {
- *pinbuf = NULL;
- }
- if (pwct) {
- *pwct = 0;
- }
- if (pvwv) {
- *pvwv = NULL;
- }
- if (pnum_bytes) {
- *pnum_bytes = 0;
- }
- if (pbytes) {
- *pbytes = NULL;
- }
- /* This was a request without a reply */
- return NT_STATUS_OK;
+ if (pwct != NULL) {
+ *pwct = 0;
}
-
- wct_ofs = smb_wct;
- cmd = CVAL(state->inbuf, smb_com);
-
- for (i=0; i<state->chain_num; i++) {
- if (i < state->chain_num-1) {
- if (cmd == 0xff) {
- return NT_STATUS_REQUEST_ABORTED;
- }
- if (!is_andx_req(cmd)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- }
-
- if (!have_andx_command((char *)state->inbuf, wct_ofs, cmd)) {
+ if (pvwv != NULL) {
+ *pvwv = NULL;
+ }
+ if (pnum_bytes != NULL) {
+ *pnum_bytes = 0;
+ }
+ if (pbytes != NULL) {
+ *pbytes = NULL;
+ }
+
+ status = smb1cli_req_recv(req, req,
+ &recv_iov,
+ NULL, /* phdr */
+ &wct,
+ &vwv,
+ NULL, /* pvwv_offset */
+ &num_bytes,
+ &bytes,
+ NULL, /* pbytes_offset */
+ &inbuf,
+ NULL, 0); /* expected */
+
+ if (state) {
+ if ((state->smb_command == SMBsesssetupX) &&
+ NT_STATUS_EQUAL(status,
+ NT_STATUS_MORE_PROCESSING_REQUIRED)) {
/*
- * This request was not completed because a previous
- * request in the chain had received an error.
+ * NT_STATUS_MORE_PROCESSING_REQUIRED is a
+ * valid return code for session setup
*/
- return NT_STATUS_REQUEST_ABORTED;
+ is_expected = true;
}
- cmd = CVAL(state->inbuf, wct_ofs + 1);
- wct_ofs = SVAL(state->inbuf, wct_ofs + 3);
-
- /*
- * Skip the all-present length field. No overflow, we've just
- * put a 16-bit value into a size_t.
- */
- wct_ofs += 4;
-
- if (wct_ofs+2 > talloc_get_size(state->inbuf)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
+ map_dos_errors = state->cli->map_dos_errors;
+ state->cli->raw_status = status;
+ talloc_free(state->ptr);
+ state = NULL;
}
- state->cli->raw_status = cli_pull_raw_error(state->inbuf);
- if (NT_STATUS_IS_DOS(state->cli->raw_status) &&
- state->cli->map_dos_errors) {
- uint8_t eclass = NT_STATUS_DOS_CLASS(state->cli->raw_status);
- uint16_t ecode = NT_STATUS_DOS_CODE(state->cli->raw_status);
+ if (NT_STATUS_IS_DOS(status) && map_dos_errors) {
+ uint8_t eclass = NT_STATUS_DOS_CLASS(status);
+ uint16_t ecode = NT_STATUS_DOS_CODE(status);
/*
* TODO: is it really a good idea to do a mapping here?
*
* the behavior yet.
*/
status = dos_to_ntstatus(eclass, ecode);
- } else {
- status = state->cli->raw_status;
}
- if (!have_andx_command((char *)state->inbuf, wct_ofs, cmd)) {
-
- if ((cmd == SMBsesssetupX)
- && NT_STATUS_EQUAL(
- status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- /*
- * NT_STATUS_MORE_PROCESSING_REQUIRED is a
- * valid return code for session setup
- */
- goto no_err;
- }
-
- if (NT_STATUS_IS_ERR(status)) {
- /*
- * The last command takes the error code. All
- * further commands down the requested chain
- * will get a NT_STATUS_REQUEST_ABORTED.
- */
- return status;
- }
- } else {
- /*
- * Only the last request in the chain get the returned
- * status.
- */
- status = NT_STATUS_OK;
+ if (!NT_STATUS_IS_ERR(status)) {
+ is_expected = true;
}
-no_err:
-
- wct = CVAL(state->inbuf, wct_ofs);
- bytes_offset = wct_ofs + 1 + wct * sizeof(uint16_t);
- num_bytes = SVAL(state->inbuf, bytes_offset);
-
- if (wct < min_wct) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ if (!is_expected) {
+ TALLOC_FREE(recv_iov);
+ return status;
}
- /*
- * wct_ofs is a 16-bit value plus 4, wct is a 8-bit value, num_bytes
- * is a 16-bit value. So bytes_offset being size_t should be far from
- * wrapping.
- */
- if ((bytes_offset + 2 > talloc_get_size(state->inbuf))
- || (bytes_offset > 0xffff)) {
+ if (wct < min_wct) {
+ TALLOC_FREE(recv_iov);
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
*pwct = wct;
}
if (pvwv != NULL) {
- *pvwv = (uint16_t *)(state->inbuf + wct_ofs + 1);
+ *pvwv = vwv;
}
if (pnum_bytes != NULL) {
*pnum_bytes = num_bytes;
}
if (pbytes != NULL) {
- *pbytes = (uint8_t *)state->inbuf + bytes_offset + 2;
+ *pbytes = bytes;
}
- if ((mem_ctx != NULL) && (pinbuf != NULL)) {
- if (state->chain_num == state->chain_length-1) {
- *pinbuf = talloc_move(mem_ctx, &state->inbuf);
+
+ if (pinbuf != NULL && mem_ctx != NULL) {
+ if (talloc_reference_count(inbuf) == 0) {
+ *pinbuf = talloc_move(mem_ctx, &inbuf);
+ TALLOC_FREE(recv_iov);
} else {
- *pinbuf = state->inbuf;
+ *pinbuf = inbuf;
}
}
size_t cli_smb_wct_ofs(struct tevent_req **reqs, int num_reqs)
{
- size_t wct_ofs;
- int i;
-
- wct_ofs = smb_wct - 4;
-
- for (i=0; i<num_reqs; i++) {
- struct cli_smb_state *state;
- state = tevent_req_data(reqs[i], struct cli_smb_state);
- wct_ofs += iov_len(state->iov+1, state->iov_count-1);
- wct_ofs = (wct_ofs + 3) & ~3;
- }
- return wct_ofs;
+ return smb1cli_req_wct_ofs(reqs, num_reqs);
}
NTSTATUS cli_smb_chain_send(struct tevent_req **reqs, int num_reqs)
{
- struct cli_smb_state *first_state = tevent_req_data(
- reqs[0], struct cli_smb_state);
- struct cli_smb_state *last_state = tevent_req_data(
- reqs[num_reqs-1], struct cli_smb_state);
- struct cli_smb_state *state;
- size_t wct_offset;
- size_t chain_padding = 0;
- int i, iovlen;
- struct iovec *iov = NULL;
- struct iovec *this_iov;
- NTSTATUS status;
-
- iovlen = 0;
- for (i=0; i<num_reqs; i++) {
- if (!tevent_req_is_in_progress(reqs[i])) {
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- state = tevent_req_data(reqs[i], struct cli_smb_state);
- iovlen += state->iov_count;
- }
-
- iov = talloc_array(last_state, struct iovec, iovlen);
- if (iov == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- first_state->chained_requests = (struct tevent_req **)talloc_memdup(
- last_state, reqs, sizeof(*reqs) * num_reqs);
- if (first_state->chained_requests == NULL) {
- TALLOC_FREE(iov);
- return NT_STATUS_NO_MEMORY;
- }
-
- wct_offset = smb_wct - 4;
- this_iov = iov;
-
- for (i=0; i<num_reqs; i++) {
- size_t next_padding = 0;
- uint16_t *vwv;
-
- state = tevent_req_data(reqs[i], struct cli_smb_state);
-
- if (i < num_reqs-1) {
- if (!is_andx_req(CVAL(state->header, smb_com))
- || CVAL(state->header, smb_wct) < 2) {
- TALLOC_FREE(iov);
- TALLOC_FREE(first_state->chained_requests);
- return NT_STATUS_INVALID_PARAMETER;
- }
- }
-
- wct_offset += iov_len(state->iov+1, state->iov_count-1) + 1;
- if ((wct_offset % 4) != 0) {
- next_padding = 4 - (wct_offset % 4);
- }
- wct_offset += next_padding;
- vwv = state->vwv;
-
- if (i < num_reqs-1) {
- struct cli_smb_state *next_state = tevent_req_data(
- reqs[i+1], struct cli_smb_state);
- SCVAL(vwv+0, 0, CVAL(next_state->header, smb_com));
- SCVAL(vwv+0, 1, 0);
- SSVAL(vwv+1, 0, wct_offset);
- } else if (is_andx_req(CVAL(state->header, smb_com))) {
- /* properly end the chain */
- SCVAL(vwv+0, 0, 0xff);
- SCVAL(vwv+0, 1, 0xff);
- SSVAL(vwv+1, 0, 0);
- }
-
- if (i == 0) {
- this_iov[0] = state->iov[0];
- } else {
- /*
- * This one is a bit subtle. We have to add
- * chain_padding bytes between the requests, and we
- * have to also include the wct field of the
- * subsequent requests. We use the subsequent header
- * for the padding, it contains the wct field in its
- * last byte.
- */
- this_iov[0].iov_len = chain_padding+1;
- this_iov[0].iov_base = (void *)&state->header[
- sizeof(state->header) - this_iov[0].iov_len];
- memset(this_iov[0].iov_base, 0, this_iov[0].iov_len-1);
- }
- memcpy(this_iov+1, state->iov+1,
- sizeof(struct iovec) * (state->iov_count-1));
- this_iov += state->iov_count;
- chain_padding = next_padding;
- }
-
- status = cli_smb_req_iov_send(reqs[0], last_state, iov, iovlen);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(iov);
- TALLOC_FREE(first_state->chained_requests);
- return status;
- }
-
- for (i=0; i < (num_reqs - 1); i++) {
- state = tevent_req_data(reqs[i], struct cli_smb_state);
-
- state->seqnum = last_state->seqnum;
- }
-
- return NT_STATUS_OK;
+ return smb1cli_req_chain_submit(reqs, num_reqs);
}
bool cli_has_async_calls(struct cli_state *cli)
{
- return ((tevent_queue_length(cli->conn.outgoing) != 0)
- || (talloc_array_length(cli->conn.pending) != 0));
+ return smbXcli_conn_has_async_calls(cli->conn);
}
#include "async_smb.h"
#include "libsmb/nmblib.h"
#include "librpc/ndr/libndr.h"
-
-static const struct {
- int prot;
- const char name[24];
-} prots[10] = {
- {PROTOCOL_CORE, "PC NETWORK PROGRAM 1.0"},
- {PROTOCOL_COREPLUS, "MICROSOFT NETWORKS 1.03"},
- {PROTOCOL_LANMAN1, "MICROSOFT NETWORKS 3.0"},
- {PROTOCOL_LANMAN1, "LANMAN1.0"},
- {PROTOCOL_LANMAN2, "LM1.2X002"},
- {PROTOCOL_LANMAN2, "DOS LANMAN2.1"},
- {PROTOCOL_LANMAN2, "LANMAN2.1"},
- {PROTOCOL_LANMAN2, "Samba"},
- {PROTOCOL_NT1, "NT LANMAN 1.0"},
- {PROTOCOL_NT1, "NT LM 0.12"},
-};
+#include "../libcli/smb/smbXcli_base.h"
#define STAR_SMBSERVER "*SMBSERVER"
return status;
}
-/****************************************************************************
- Send a negprot command.
-****************************************************************************/
-
-struct cli_negprot_state {
- struct cli_state *cli;
- enum protocol_types max_protocol;
-};
-
-static void cli_negprot_done(struct tevent_req *subreq);
-
struct tevent_req *cli_negprot_send(TALLOC_CTX *mem_ctx,
struct event_context *ev,
struct cli_state *cli,
enum protocol_types max_protocol)
{
- struct tevent_req *req, *subreq;
- struct cli_negprot_state *state;
- uint8_t *bytes = NULL;
- int numprots;
- enum protocol_types tmp_protocol;
-
- req = tevent_req_create(mem_ctx, &state, struct cli_negprot_state);
- if (req == NULL) {
- return NULL;
- }
- state->cli = cli;
- state->max_protocol = max_protocol;
-
- /* setup the protocol strings */
- for (numprots=0; numprots < ARRAY_SIZE(prots); numprots++) {
- uint8_t c = 2;
- if (prots[numprots].prot > state->max_protocol) {
- break;
- }
- bytes = (uint8_t *)talloc_append_blob(
- state, bytes, data_blob_const(&c, sizeof(c)));
- if (tevent_req_nomem(bytes, req)) {
- return tevent_req_post(req, ev);
- }
- bytes = smb_bytes_push_str(bytes, false,
- prots[numprots].name,
- strlen(prots[numprots].name)+1,
- NULL);
- if (tevent_req_nomem(bytes, req)) {
- return tevent_req_post(req, ev);
- }
- }
-
- tmp_protocol = cli->conn.protocol;
- cli->conn.protocol = state->max_protocol;
- subreq = cli_smb_send(state, ev, cli, SMBnegprot, 0, 0, NULL,
- talloc_get_size(bytes), bytes);
- cli->conn.protocol = tmp_protocol;
- if (tevent_req_nomem(subreq, req)) {
- return tevent_req_post(req, ev);
- }
- tevent_req_set_callback(subreq, cli_negprot_done, req);
- return req;
-}
-
-static void cli_negprot_done(struct tevent_req *subreq)
-{
- struct tevent_req *req = tevent_req_callback_data(
- subreq, struct tevent_req);
- struct cli_negprot_state *state = tevent_req_data(
- req, struct cli_negprot_state);
- struct cli_state *cli = state->cli;
- uint8_t flags;
- uint8_t wct;
- uint16_t *vwv;
- uint32_t num_bytes;
- uint8_t *bytes;
- NTSTATUS status;
- uint16_t protnum;
- uint8_t *inbuf;
- uint32_t client_capabilities = cli->conn.smb1.client.capabilities;
- uint32_t both_capabilities;
- uint32_t server_capabilities = 0;
- uint32_t capabilities;
- uint32_t client_max_xmit = cli->conn.smb1.client.max_xmit;
- uint32_t server_max_xmit = 0;
- uint32_t max_xmit;
- uint32_t server_max_mux = 0;
- uint16_t server_security_mode = 0;
- uint32_t server_session_key = 0;
- bool server_readbraw = false;
- bool server_writebraw = false;
- bool server_lockread = false;
- bool server_writeunlock = false;
- struct GUID server_guid = GUID_zero();
- DATA_BLOB server_gss_blob = data_blob_null;
- uint8_t server_challenge[8];
- char *server_workgroup = NULL;
- char *server_name = NULL;
- int server_time_zone = 0;
- time_t server_system_time = 0;
- enum protocol_types protocol;
-
- ZERO_STRUCT(server_challenge);
-
- status = cli_smb_recv(subreq, state, &inbuf, 1, &wct, &vwv,
- &num_bytes, &bytes);
- TALLOC_FREE(subreq);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return;
- }
-
- flags = CVAL(inbuf, smb_flg);
-
- protnum = SVAL(vwv, 0);
-
- if ((protnum >= ARRAY_SIZE(prots))
- || (prots[protnum].prot > state->max_protocol)) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- protocol = prots[protnum].prot;
-
- if ((protocol < PROTOCOL_NT1) &&
- client_is_signing_mandatory(cli)) {
- DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
- tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
- return;
- }
-
- if (flags & FLAG_SUPPORT_LOCKREAD) {
- server_lockread = true;
- server_writeunlock = true;
- }
-
- if (protocol >= PROTOCOL_NT1) {
- struct timespec ts;
- const char *client_signing = NULL;
- bool server_mandatory;
- bool server_allowed;
- const char *server_signing = NULL;
- bool ok;
- uint8_t key_len;
-
- if (wct != 0x11) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- /* NT protocol */
- server_security_mode = CVAL(vwv + 1, 0);
- server_max_mux = SVAL(vwv + 1, 1);
- server_max_xmit = IVAL(vwv + 3, 1);
- server_session_key = IVAL(vwv + 7, 1);
- server_time_zone = SVALS(vwv + 15, 1);
- server_time_zone *= 60;
- /* this time arrives in real GMT */
- ts = interpret_long_date(((char *)(vwv+11))+1);
- server_system_time = ts.tv_sec;
- server_capabilities = IVAL(vwv + 9, 1);
-
- key_len = CVAL(vwv + 16, 1);
-
- if (server_capabilities & CAP_RAW_MODE) {
- server_readbraw = true;
- server_writebraw = true;
- }
- if (server_capabilities & CAP_LOCK_AND_READ) {
- server_lockread = true;
- }
-
- if (server_capabilities & CAP_EXTENDED_SECURITY) {
- DATA_BLOB blob1, blob2;
-
- if (num_bytes < 16) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- blob1 = data_blob_const(bytes, 16);
- GUID_from_data_blob(&blob1, &server_guid);
-
- blob1 = data_blob_const(bytes+16, num_bytes-16);
- blob2 = data_blob_dup_talloc(state, blob1);
- if (blob1.length > 0 &&
- tevent_req_nomem(blob2.data, req)) {
- return;
- }
- server_gss_blob = blob2;
- } else {
- DATA_BLOB blob1, blob2;
- ssize_t ret = 0;
-
- if (num_bytes < key_len) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- if (key_len != 0 && key_len != 8) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- if (key_len == 8) {
- memcpy(server_challenge, bytes, 8);
- }
-
- blob1 = data_blob_const(bytes+key_len, num_bytes-key_len);
- blob2 = data_blob_const(bytes+key_len, num_bytes-key_len);
- if (blob1.length > 0) {
- ret = pull_string_talloc(state,
- (char *)inbuf,
- SVAL(inbuf, smb_flg2),
- &server_workgroup,
- blob1.data,
- blob1.length,
- STR_TERMINATE|
- STR_UNICODE|
- STR_NOALIGN);
- if (ret == -1) {
- tevent_req_oom(req);
- return;
- }
- }
-
- blob2.data += ret;
- blob2.length -= ret;
- if (blob2.length > 0) {
- ret = pull_string_talloc(state,
- (char *)inbuf,
- SVAL(inbuf, smb_flg2),
- &server_name,
- blob2.data,
- blob2.length,
- STR_TERMINATE|
- STR_UNICODE|
- STR_NOALIGN);
- if (ret == -1) {
- tevent_req_oom(req);
- return;
- }
- }
- }
-
- client_signing = "disabled";
- if (client_is_signing_allowed(cli)) {
- client_signing = "allowed";
- }
- if (client_is_signing_mandatory(cli)) {
- client_signing = "required";
- }
-
- server_signing = "not supported";
-
- server_allowed = false;
- if (server_security_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
- server_signing = "supported";
- server_allowed = true;
- }
-
- server_mandatory = false;
- if (server_security_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
- server_signing = "required";
- server_mandatory = true;
- }
-
- ok = cli_set_signing_negotiated(cli,
- server_allowed,
- server_mandatory);
- if (!ok) {
- DEBUG(1,("cli_negprot: SMB signing is required, "
- "but client[%s] and server[%s] mismatch\n",
- client_signing, server_signing));
- tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
- return;
- }
-
- } else if (protocol >= PROTOCOL_LANMAN1) {
- DATA_BLOB blob1;
- ssize_t ret = 0;
- uint16_t key_len;
-
- if (wct != 0x0D) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- server_security_mode = SVAL(vwv + 1, 0);
- server_max_xmit = SVAL(vwv + 2, 0);
- server_max_mux = SVAL(vwv + 3, 0);
- server_readbraw = ((SVAL(vwv + 5, 0) & 0x1) != 0);
- server_writebraw = ((SVAL(vwv + 5, 0) & 0x2) != 0);
- server_session_key = IVAL(vwv + 6, 0);
- server_time_zone = SVALS(vwv + 10, 0);
- server_time_zone *= 60;
- /* this time is converted to GMT by make_unix_date */
- server_system_time = make_unix_date(
- (char *)(vwv + 8), server_time_zone);
- key_len = SVAL(vwv + 11, 0);
-
- if (num_bytes < key_len) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- if (key_len != 0 && key_len != 8) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- if (key_len == 8) {
- memcpy(server_challenge, bytes, 8);
- }
-
- blob1 = data_blob_const(bytes+key_len, num_bytes-key_len);
- if (blob1.length > 0) {
- ret = pull_string_talloc(state,
- (char *)inbuf,
- SVAL(inbuf, smb_flg2),
- &server_workgroup,
- blob1.data,
- blob1.length,
- STR_TERMINATE|
- STR_ASCII);
- if (ret == -1) {
- tevent_req_oom(req);
- return;
- }
- }
- } else {
- /* the old core protocol */
- server_time_zone = get_time_zone(time(NULL));
- server_system_time = 0;
- server_max_xmit = 1024;
- server_max_mux = 1;
- server_security_mode = 0;
- }
-
- if (server_max_xmit < 1024) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- if (server_max_mux < 1) {
- tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
- return;
- }
-
- /*
- * Now calculate the negotiated capabilities
- * based on the mask for:
- * - client only flags
- * - flags used in both directions
- * - server only flags
- */
- both_capabilities = client_capabilities & server_capabilities;
- capabilities = client_capabilities & SMB_CAP_CLIENT_MASK;
- capabilities |= both_capabilities & SMB_CAP_BOTH_MASK;
- capabilities |= server_capabilities & SMB_CAP_SERVER_MASK;
-
- max_xmit = MIN(client_max_xmit, server_max_xmit);
-
- if (server_workgroup) {
- cli->server_domain = talloc_strdup(cli, server_workgroup);
- if (tevent_req_nomem(cli->server_domain, req)) {
- return;
- }
- }
-
- cli->conn.protocol = protocol;
-
- cli->conn.smb1.server.capabilities = server_capabilities;
- cli->conn.smb1.capabilities = capabilities;
-
- cli->conn.smb1.server.max_xmit = server_max_xmit;
- cli->conn.smb1.max_xmit = max_xmit;
-
- cli->conn.smb1.server.max_mux = server_max_mux;
-
- cli->conn.smb1.server.security_mode = server_security_mode;
-
- cli->conn.smb1.server.readbraw = server_readbraw;
- cli->conn.smb1.server.writebraw = server_writebraw;
- cli->conn.smb1.server.lockread = server_lockread;
- cli->conn.smb1.server.writeunlock = server_writeunlock;
-
- cli->conn.smb1.server.session_key = server_session_key;
-
- talloc_steal(cli, server_gss_blob.data);
- cli->conn.smb1.server.gss_blob = server_gss_blob;
- cli->conn.smb1.server.guid = server_guid;
- memcpy(cli->conn.smb1.server.challenge, server_challenge, 8);
- cli->conn.smb1.server.workgroup = talloc_move(cli, &server_workgroup);
- cli->conn.smb1.server.name = talloc_move(cli, &server_name);
-
- cli->conn.smb1.server.time_zone = server_time_zone;
- cli->conn.smb1.server.system_time = server_system_time;
-
- tevent_req_done(req);
+ return smbXcli_negprot_send(mem_ctx, ev,
+ cli->conn, cli->timeout,
+ PROTOCOL_CORE, max_protocol);
}
NTSTATUS cli_negprot_recv(struct tevent_req *req)
{
- return tevent_req_simple_recv_ntstatus(req);
+ return smbXcli_negprot_recv(req);
}
NTSTATUS cli_negprot(struct cli_state *cli, enum protocol_types max_protocol)
{
- TALLOC_CTX *frame = talloc_stackframe();
- struct event_context *ev;
- struct tevent_req *req;
- NTSTATUS status = NT_STATUS_OK;
-
- if (cli_has_async_calls(cli)) {
- /*
- * Can't use sync call while an async call is in flight
- */
- status = NT_STATUS_INVALID_PARAMETER;
- goto fail;
- }
-
- ev = event_context_init(frame);
- if (ev == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
-
- req = cli_negprot_send(frame, ev, cli, max_protocol);
- if (req == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
-
- if (!tevent_req_poll(req, ev)) {
- status = map_nt_error_from_unix(errno);
- goto fail;
- }
-
- status = cli_negprot_recv(req);
- fail:
- TALLOC_FREE(frame);
- return status;
+ return smbXcli_negprot(cli->conn, cli->timeout,
+ PROTOCOL_CORE, max_protocol);
}
static NTSTATUS cli_connect_sock(const char *host, int name_type,
#include "../libcli/smb/smb_signing.h"
#include "../libcli/smb/smb_seal.h"
#include "async_smb.h"
+#include "../libcli/smb/smbXcli_base.h"
/*******************************************************************
Setup the word count and byte count for a client smb message.
bool cli_ucs2(struct cli_state *cli)
{
- return ((cli_state_capabilities(cli) & CAP_UNICODE) != 0);
-}
-
-/****************************************************************************
- Setup basics in a outgoing packet.
-****************************************************************************/
-
-void cli_setup_packet_buf(struct cli_state *cli, char *buf)
-{
- uint16 flags2;
- cli->rap_error = 0;
- SIVAL(buf,smb_rcls,0);
- SSVAL(buf,smb_pid,cli->smb1.pid);
- memset(buf+smb_pidhigh, 0, 12);
- SSVAL(buf,smb_uid, cli_state_get_uid(cli));
- SSVAL(buf,smb_mid, 0);
-
- if (cli_state_protocol(cli) <= PROTOCOL_CORE) {
- return;
- }
-
- if (cli->case_sensitive) {
- SCVAL(buf,smb_flg,0x0);
- } else {
- /* Default setting, case insensitive. */
- SCVAL(buf,smb_flg,0x8);
- }
- flags2 = FLAGS2_LONG_PATH_COMPONENTS;
- if (cli_state_capabilities(cli) & CAP_UNICODE)
- flags2 |= FLAGS2_UNICODE_STRINGS;
- if ((cli_state_capabilities(cli) & CAP_DFS) && cli->dfsroot)
- flags2 |= FLAGS2_DFS_PATHNAMES;
- if (cli_state_capabilities(cli) & CAP_STATUS32)
- flags2 |= FLAGS2_32_BIT_ERROR_CODES;
- if (cli_state_capabilities(cli) & CAP_EXTENDED_SECURITY)
- flags2 |= FLAGS2_EXTENDED_SECURITY;
- SSVAL(buf,smb_flg2, flags2);
+ return smbXcli_conn_use_unicode(cli->conn);
}
/****************************************************************************
int signing_state, int flags)
{
struct cli_state *cli = NULL;
- bool allow_smb_signing;
- bool desire_smb_signing;
- bool mandatory_signing;
- socklen_t ss_length;
- int ret;
bool use_spnego = lp_client_use_spnego();
bool force_dos_errors = false;
bool force_ascii = false;
bool use_level_II_oplocks = false;
+ uint32_t smb1_capabilities = 0;
/* Check the effective uid - make sure we are not setuid */
if (is_setuid_root()) {
signing_state = lp_client_signing();
}
- switch (signing_state) {
- case SMB_SIGNING_OFF:
- /* never */
- allow_smb_signing = false;
- desire_smb_signing = false;
- mandatory_signing = false;
- break;
- default:
- case SMB_SIGNING_DEFAULT:
- case SMB_SIGNING_IF_REQUIRED:
- allow_smb_signing = true;
- desire_smb_signing = false;
- mandatory_signing = false;
- break;
- case SMB_SIGNING_REQUIRED:
- /* always */
- allow_smb_signing = true;
- desire_smb_signing = true;
- mandatory_signing = true;
- break;
- }
-
- /* initialise signing */
- cli->signing_state = smb_signing_init(cli,
- allow_smb_signing,
- desire_smb_signing,
- mandatory_signing);
- if (!cli->signing_state) {
- goto error;
- }
-
- cli->conn.smb1.client.capabilities = 0;
- cli->conn.smb1.client.capabilities |= CAP_LARGE_FILES;
- cli->conn.smb1.client.capabilities |= CAP_NT_SMBS | CAP_RPC_REMOTE_APIS;
- cli->conn.smb1.client.capabilities |= CAP_LOCK_AND_READ | CAP_NT_FIND;
- cli->conn.smb1.client.capabilities |= CAP_DFS | CAP_W2K_SMBS;
- cli->conn.smb1.client.capabilities |= CAP_LARGE_READX|CAP_LARGE_WRITEX;
- cli->conn.smb1.client.capabilities |= CAP_LWIO;
+ smb1_capabilities = 0;
+ smb1_capabilities |= CAP_LARGE_FILES;
+ smb1_capabilities |= CAP_NT_SMBS | CAP_RPC_REMOTE_APIS;
+ smb1_capabilities |= CAP_LOCK_AND_READ | CAP_NT_FIND;
+ smb1_capabilities |= CAP_DFS | CAP_W2K_SMBS;
+ smb1_capabilities |= CAP_LARGE_READX|CAP_LARGE_WRITEX;
+ smb1_capabilities |= CAP_LWIO;
if (!force_dos_errors) {
- cli->conn.smb1.client.capabilities |= CAP_STATUS32;
+ smb1_capabilities |= CAP_STATUS32;
}
if (!force_ascii) {
- cli->conn.smb1.client.capabilities |= CAP_UNICODE;
+ smb1_capabilities |= CAP_UNICODE;
}
if (use_spnego) {
- cli->conn.smb1.client.capabilities |= CAP_EXTENDED_SECURITY;
+ smb1_capabilities |= CAP_EXTENDED_SECURITY;
}
if (use_level_II_oplocks) {
- cli->conn.smb1.client.capabilities |= CAP_LEVEL_II_OPLOCKS;
- }
-
- cli->conn.smb1.client.max_xmit = CLI_BUFFER_SIZE;
-
- cli->conn.smb1.capabilities = cli->conn.smb1.client.capabilities;
- cli->conn.smb1.max_xmit = 1024;
-
- cli->conn.smb1.mid = 1;
-
- cli->conn.outgoing = tevent_queue_create(cli, "cli_outgoing");
- if (cli->conn.outgoing == NULL) {
- goto error;
- }
- cli->conn.pending = NULL;
-
- cli->conn.remote_name = talloc_strdup(cli, remote_name);
- if (cli->conn.remote_name == NULL) {
- goto error;
+ smb1_capabilities |= CAP_LEVEL_II_OPLOCKS;
}
if (remote_realm) {
- cli->conn.remote_realm = talloc_strdup(cli, remote_realm);
- if (cli->conn.remote_realm == NULL) {
+ cli->remote_realm = talloc_strdup(cli, remote_realm);
+ if (cli->remote_realm == NULL) {
goto error;
}
}
- cli->conn.fd = fd;
-
- ss_length = sizeof(cli->conn.local_ss);
- ret = getsockname(fd,
- (struct sockaddr *)(void *)&cli->conn.local_ss,
- &ss_length);
- if (ret == -1) {
- goto error;
- }
- ss_length = sizeof(cli->conn.remote_ss);
- ret = getpeername(fd,
- (struct sockaddr *)(void *)&cli->conn.remote_ss,
- &ss_length);
- if (ret == -1) {
+ cli->conn = smbXcli_conn_create(cli, fd, remote_name,
+ signing_state,
+ smb1_capabilities,
+ NULL); /* client_guid */
+ if (cli->conn == NULL) {
goto error;
}
bool cli_state_encryption_on(struct cli_state *cli)
{
- return common_encryption_on(cli->trans_enc_state);
+ return smb1cli_conn_encryption_on(cli->conn);
}
cli_state_disconnect(cli);
- /*
- * Need to free pending first, they remove themselves
- */
- while (cli->conn.pending) {
- talloc_free(cli->conn.pending[0]);
- }
TALLOC_FREE(cli);
}
void cli_sockopt(struct cli_state *cli, const char *options)
{
- set_socket_options(cli->conn.fd, options);
+ smbXcli_conn_set_sockopt(cli->conn, options);
}
const struct sockaddr_storage *cli_state_local_sockaddr(struct cli_state *cli)
{
- return &cli->conn.local_ss;
+ return smbXcli_conn_local_sockaddr(cli->conn);
}
const struct sockaddr_storage *cli_state_remote_sockaddr(struct cli_state *cli)
{
- return &cli->conn.remote_ss;
+ return smbXcli_conn_remote_sockaddr(cli->conn);
}
const char *cli_state_remote_name(struct cli_state *cli)
{
- return cli->conn.remote_name;
+ return smbXcli_conn_remote_name(cli->conn);
}
const char *cli_state_remote_realm(struct cli_state *cli)
{
- return cli->conn.remote_realm;
+ return cli->remote_realm;
}
uint16_t cli_state_get_vc_num(struct cli_state *cli)
uint32_t cli_state_server_session_key(struct cli_state *cli)
{
- return cli->conn.smb1.server.session_key;
+ return smb1cli_conn_server_session_key(cli->conn);
}
/****************************************************************************
enum protocol_types cli_state_protocol(struct cli_state *cli)
{
- return cli->conn.protocol;
+ return smbXcli_conn_protocol(cli->conn);
}
uint32_t cli_state_capabilities(struct cli_state *cli)
{
- return cli->conn.smb1.capabilities;
+ return smb1cli_conn_capabilities(cli->conn);
}
uint32_t cli_state_available_size(struct cli_state *cli, uint32_t ofs)
{
- uint32_t ret = cli->conn.smb1.max_xmit;
+ uint32_t ret = smb1cli_conn_max_xmit(cli->conn);
if (ofs >= ret) {
return 0;
uint16_t cli_state_max_requests(struct cli_state *cli)
{
- return cli->conn.smb1.server.max_mux;
+ return smbXcli_conn_max_requests(cli->conn);
}
const uint8_t *cli_state_server_challenge(struct cli_state *cli)
{
- return cli->conn.smb1.server.challenge;
+ return smb1cli_conn_server_challenge(cli->conn);
}
const DATA_BLOB *cli_state_server_gss_blob(struct cli_state *cli)
{
- return &cli->conn.smb1.server.gss_blob;
+ return smbXcli_conn_server_gss_blob(cli->conn);
}
uint16_t cli_state_security_mode(struct cli_state *cli)
{
- return cli->conn.smb1.server.security_mode;
+ return smb1cli_conn_server_security_mode(cli->conn);
}
int cli_state_server_time_zone(struct cli_state *cli)
{
- return cli->conn.smb1.server.time_zone;
+ return smb1cli_conn_server_time_zone(cli->conn);
}
time_t cli_state_server_time(struct cli_state *cli)
{
- return cli->conn.smb1.server.system_time;
+ NTTIME nt;
+ time_t t;
+
+ nt = smbXcli_conn_server_system_time(cli->conn);
+ t = nt_time_to_unix(nt);
+
+ return t;
}
struct cli_echo_state {
git.samba.org / samba.git / commitdiff