#include "libsmb/libsmb.h"
#include "../lib/util/tevent_ntstatus.h"
#include "async_smb.h"
-
-struct trans_recvblob {
- uint8_t *data;
- uint32_t max, total, received;
-};
+#include "../libcli/smb/smbXcli_base.h"
struct cli_trans_state {
struct cli_state *cli;
- struct event_context *ev;
- uint8_t cmd;
- uint16_t mid;
- uint32_t seqnum;
- const char *pipe_name;
- uint8_t *pipe_name_conv;
- size_t pipe_name_conv_len;
- uint16_t fid;
- uint16_t function;
- int flags;
+ struct tevent_req *subreq;
+ uint16_t recv_flags2;
uint16_t *setup;
- uint8_t num_setup, max_setup;
+ uint8_t num_setup;
uint8_t *param;
- uint32_t num_param, param_sent;
+ uint32_t num_param;
uint8_t *data;
- uint32_t num_data, data_sent;
-
- uint8_t num_rsetup;
- uint16_t *rsetup;
- struct trans_recvblob rparam;
- struct trans_recvblob rdata;
- uint16_t recv_flags2;
-
- struct iovec iov[4];
- uint8_t pad[4];
- uint16_t vwv[32];
+ uint32_t num_data;
};
-static NTSTATUS cli_pull_trans(uint8_t *inbuf,
- uint8_t wct, uint16_t *vwv,
- uint16_t num_bytes, uint8_t *bytes,
- uint8_t smb_cmd, bool expect_first_reply,
- uint8_t *pnum_setup, uint16_t **psetup,
- uint32_t *ptotal_param, uint32_t *pnum_param,
- uint32_t *pparam_disp, uint8_t **pparam,
- uint32_t *ptotal_data, uint32_t *pnum_data,
- uint32_t *pdata_disp, uint8_t **pdata)
-{
- uint32_t param_ofs, data_ofs;
-
- if (expect_first_reply) {
- if ((wct != 0) || (num_bytes != 0)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- return NT_STATUS_OK;
- }
-
- switch (smb_cmd) {
- case SMBtrans:
- case SMBtrans2:
- if (wct < 10) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *ptotal_param = SVAL(vwv + 0, 0);
- *ptotal_data = SVAL(vwv + 1, 0);
- *pnum_param = SVAL(vwv + 3, 0);
- param_ofs = SVAL(vwv + 4, 0);
- *pparam_disp = SVAL(vwv + 5, 0);
- *pnum_data = SVAL(vwv + 6, 0);
- data_ofs = SVAL(vwv + 7, 0);
- *pdata_disp = SVAL(vwv + 8, 0);
- *pnum_setup = CVAL(vwv + 9, 0);
- if (wct < 10 + (*pnum_setup)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *psetup = vwv + 10;
-
- break;
- case SMBnttrans:
- if (wct < 18) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- *ptotal_param = IVAL(vwv, 3);
- *ptotal_data = IVAL(vwv, 7);
- *pnum_param = IVAL(vwv, 11);
- param_ofs = IVAL(vwv, 15);
- *pparam_disp = IVAL(vwv, 19);
- *pnum_data = IVAL(vwv, 23);
- data_ofs = IVAL(vwv, 27);
- *pdata_disp = IVAL(vwv, 31);
- *pnum_setup = CVAL(vwv, 35);
- *psetup = vwv + 18;
- break;
-
- default:
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- /*
- * Check for buffer overflows. data_ofs needs to be checked against
- * the incoming buffer length, data_disp against the total
- * length. Likewise for param_ofs/param_disp.
- */
-
- if (trans_oob(smb_len(inbuf), param_ofs, *pnum_param)
- || trans_oob(*ptotal_param, *pparam_disp, *pnum_param)
- || trans_oob(smb_len(inbuf), data_ofs, *pnum_data)
- || trans_oob(*ptotal_data, *pdata_disp, *pnum_data)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
-
- *pparam = (uint8_t *)inbuf + 4 + param_ofs;
- *pdata = (uint8_t *)inbuf + 4 + data_ofs;
-
- return NT_STATUS_OK;
-}
-
-static NTSTATUS cli_trans_pull_blob(TALLOC_CTX *mem_ctx,
- struct trans_recvblob *blob,
- uint32_t total, uint32_t thistime,
- uint8_t *buf, uint32_t displacement)
-{
- if (blob->data == NULL) {
- if (total > blob->max) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
- blob->total = total;
- blob->data = talloc_array(mem_ctx, uint8_t, total);
- if (blob->data == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- if (total > blob->total) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
- }
-
- if (thistime) {
- memcpy(blob->data + displacement, buf, thistime);
- blob->received += thistime;
- }
-
- return NT_STATUS_OK;
-}
-
-static void cli_trans_format(struct cli_trans_state *state, uint8_t *pwct,
- int *piov_count)
-{
- uint8_t wct = 0;
- struct iovec *iov = state->iov;
- uint8_t *pad = state->pad;
- uint16_t *vwv = state->vwv;
- uint32_t param_offset;
- uint32_t this_param = 0;
- uint32_t this_data = 0;
- uint32_t useable_space;
- uint8_t cmd;
-
- cmd = state->cmd;
-
- if ((state->param_sent != 0) || (state->data_sent != 0)) {
- /* The secondary commands are one after the primary ones */
- cmd += 1;
- }
-
- param_offset = smb_size - 4;
-
- switch (cmd) {
- case SMBtrans:
- pad[0] = 0;
- iov[0].iov_base = (void *)pad;
- iov[0].iov_len = 1;
- iov[1].iov_base = (void *)state->pipe_name_conv;
- iov[1].iov_len = state->pipe_name_conv_len;
- wct = 14 + state->num_setup;
- param_offset += iov[0].iov_len + iov[1].iov_len;
- iov += 2;
- break;
- case SMBtrans2:
- pad[0] = 0;
- pad[1] = 'D'; /* Copy this from "old" 3.0 behaviour */
- pad[2] = ' ';
- iov[0].iov_base = (void *)pad;
- iov[0].iov_len = 3;
- wct = 14 + state->num_setup;
- param_offset += 3;
- iov += 1;
- break;
- case SMBtranss:
- wct = 8;
- break;
- case SMBtranss2:
- wct = 9;
- break;
- case SMBnttrans:
- wct = 19 + state->num_setup;
- break;
- case SMBnttranss:
- wct = 18;
- break;
- }
-
- useable_space = state->cli->max_xmit - smb_size - sizeof(uint16_t)*wct;
-
- if (state->param_sent < state->num_param) {
- this_param = MIN(state->num_param - state->param_sent,
- useable_space);
- iov[0].iov_base = (void *)(state->param + state->param_sent);
- iov[0].iov_len = this_param;
- iov += 1;
- }
-
- if (state->data_sent < state->num_data) {
- this_data = MIN(state->num_data - state->data_sent,
- useable_space - this_param);
- iov[0].iov_base = (void *)(state->data + state->data_sent);
- iov[0].iov_len = this_data;
- iov += 1;
- }
-
- param_offset += wct * sizeof(uint16_t);
-
- DEBUG(10, ("num_setup=%u, max_setup=%u, "
- "param_total=%u, this_param=%u, max_param=%u, "
- "data_total=%u, this_data=%u, max_data=%u, "
- "param_offset=%u, param_disp=%u, data_disp=%u\n",
- (unsigned)state->num_setup, (unsigned)state->max_setup,
- (unsigned)state->num_param, (unsigned)this_param,
- (unsigned)state->rparam.max,
- (unsigned)state->num_data, (unsigned)this_data,
- (unsigned)state->rdata.max,
- (unsigned)param_offset,
- (unsigned)state->param_sent, (unsigned)state->data_sent));
-
- switch (cmd) {
- case SMBtrans:
- case SMBtrans2:
- SSVAL(vwv + 0, 0, state->num_param);
- SSVAL(vwv + 1, 0, state->num_data);
- SSVAL(vwv + 2, 0, state->rparam.max);
- SSVAL(vwv + 3, 0, state->rdata.max);
- SCVAL(vwv + 4, 0, state->max_setup);
- SCVAL(vwv + 4, 1, 0); /* reserved */
- SSVAL(vwv + 5, 0, state->flags);
- SIVAL(vwv + 6, 0, 0); /* timeout */
- SSVAL(vwv + 8, 0, 0); /* reserved */
- SSVAL(vwv + 9, 0, this_param);
- SSVAL(vwv +10, 0, param_offset);
- SSVAL(vwv +11, 0, this_data);
- SSVAL(vwv +12, 0, param_offset + this_param);
- SCVAL(vwv +13, 0, state->num_setup);
- SCVAL(vwv +13, 1, 0); /* reserved */
- memcpy(vwv + 14, state->setup,
- sizeof(uint16_t) * state->num_setup);
- break;
- case SMBtranss:
- case SMBtranss2:
- SSVAL(vwv + 0, 0, state->num_param);
- SSVAL(vwv + 1, 0, state->num_data);
- SSVAL(vwv + 2, 0, this_param);
- SSVAL(vwv + 3, 0, param_offset);
- SSVAL(vwv + 4, 0, state->param_sent);
- SSVAL(vwv + 5, 0, this_data);
- SSVAL(vwv + 6, 0, param_offset + this_param);
- SSVAL(vwv + 7, 0, state->data_sent);
- if (cmd == SMBtranss2) {
- SSVAL(vwv + 8, 0, state->fid);
- }
- break;
- case SMBnttrans:
- SCVAL(vwv + 0, 0, state->max_setup);
- SSVAL(vwv + 0, 1, 0); /* reserved */
- SIVAL(vwv + 1, 1, state->num_param);
- SIVAL(vwv + 3, 1, state->num_data);
- SIVAL(vwv + 5, 1, state->rparam.max);
- SIVAL(vwv + 7, 1, state->rdata.max);
- SIVAL(vwv + 9, 1, this_param);
- SIVAL(vwv +11, 1, param_offset);
- SIVAL(vwv +13, 1, this_data);
- SIVAL(vwv +15, 1, param_offset + this_param);
- SCVAL(vwv +17, 1, state->num_setup);
- SSVAL(vwv +18, 0, state->function);
- memcpy(vwv + 19, state->setup,
- sizeof(uint16_t) * state->num_setup);
- break;
- case SMBnttranss:
- SSVAL(vwv + 0, 0, 0); /* reserved */
- SCVAL(vwv + 1, 0, 0); /* reserved */
- SIVAL(vwv + 1, 1, state->num_param);
- SIVAL(vwv + 3, 1, state->num_data);
- SIVAL(vwv + 5, 1, this_param);
- SIVAL(vwv + 7, 1, param_offset);
- SIVAL(vwv + 9, 1, state->param_sent);
- SIVAL(vwv +11, 1, this_data);
- SIVAL(vwv +13, 1, param_offset + this_param);
- SIVAL(vwv +15, 1, state->data_sent);
- SCVAL(vwv +17, 1, 0); /* reserved */
- break;
- }
-
- state->param_sent += this_param;
- state->data_sent += this_data;
-
- *pwct = wct;
- *piov_count = iov - state->iov;
-}
-
static void cli_trans_done(struct tevent_req *subreq);
+static bool cli_trans_cancel(struct tevent_req *req);
struct tevent_req *cli_trans_send(
- TALLOC_CTX *mem_ctx, struct event_context *ev,
- struct cli_state *cli, uint8_t cmd,
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+ struct cli_state *cli, uint16_t additional_flags2, uint8_t cmd,
const char *pipe_name, uint16_t fid, uint16_t function, int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data)
{
- struct tevent_req *req, *subreq;
+ struct tevent_req *req;
struct cli_trans_state *state;
- int iov_count;
- uint8_t wct;
- NTSTATUS status;
+ uint8_t additional_flags = 0;
+ uint8_t clear_flags = 0;
+ uint16_t clear_flags2 = 0;
req = tevent_req_create(mem_ctx, &state, struct cli_trans_state);
if (req == NULL) {
return NULL;
}
-
- if ((cmd == SMBtrans) || (cmd == SMBtrans2)) {
- if ((num_param > 0xffff) || (max_param > 0xffff)
- || (num_data > 0xffff) || (max_data > 0xffff)) {
- DEBUG(3, ("Attempt to send invalid trans2 request "
- "(setup %u, params %u/%u, data %u/%u)\n",
- (unsigned)num_setup,
- (unsigned)num_param, (unsigned)max_param,
- (unsigned)num_data, (unsigned)max_data));
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
- }
-
- /*
- * The largest wct will be for nttrans (19+num_setup). Make sure we
- * don't overflow state->vwv in cli_trans_format.
- */
-
- if ((num_setup + 19) > ARRAY_SIZE(state->vwv)) {
- tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
- return tevent_req_post(req, ev);
- }
-
state->cli = cli;
- state->ev = ev;
- state->cmd = cmd;
- state->flags = flags;
- state->num_rsetup = 0;
- state->rsetup = NULL;
- ZERO_STRUCT(state->rparam);
- ZERO_STRUCT(state->rdata);
- if ((pipe_name != NULL)
- && (!convert_string_talloc(state, CH_UNIX,
- cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
- pipe_name, strlen(pipe_name) + 1,
- &state->pipe_name_conv,
- &state->pipe_name_conv_len))) {
- tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+ state->subreq = smb1cli_trans_send(state, ev,
+ cli->conn, cmd,
+ additional_flags, clear_flags,
+ additional_flags2, clear_flags2,
+ cli->timeout,
+ cli->smb1.pid,
+ cli->smb1.tcon,
+ cli->smb1.session,
+ pipe_name, fid, function, flags,
+ setup, num_setup, max_setup,
+ param, num_param, max_param,
+ data, num_data, max_data);
+ if (tevent_req_nomem(state->subreq, req)) {
return tevent_req_post(req, ev);
}
- state->fid = fid; /* trans2 */
- state->function = function; /* nttrans */
-
- state->setup = setup;
- state->num_setup = num_setup;
- state->max_setup = max_setup;
-
- state->param = param;
- state->num_param = num_param;
- state->param_sent = 0;
- state->rparam.max = max_param;
-
- state->data = data;
- state->num_data = num_data;
- state->data_sent = 0;
- state->rdata.max = max_data;
+ tevent_req_set_callback(state->subreq, cli_trans_done, req);
+ tevent_req_set_cancel_fn(req, cli_trans_cancel);
+ return req;
+}
- cli_trans_format(state, &wct, &iov_count);
+static bool cli_trans_cancel(struct tevent_req *req)
+{
+ struct cli_trans_state *state = tevent_req_data(
+ req, struct cli_trans_state);
+ bool ok;
- subreq = cli_smb_req_create(state, ev, cli, cmd, 0, wct, state->vwv,
- iov_count, state->iov);
- if (tevent_req_nomem(subreq, req)) {
- return tevent_req_post(req, ev);
- }
- state->mid = cli_smb_req_mid(subreq);
- status = cli_smb_req_send(subreq);
- if (!NT_STATUS_IS_OK(status)) {
- tevent_req_nterror(req, status);
- return tevent_req_post(req, state->ev);
- }
- cli_state_seqnum_persistent(cli, state->mid);
- tevent_req_set_callback(subreq, cli_trans_done, req);
- return req;
+ ok = tevent_req_cancel(state->subreq);
+ return ok;
}
static void cli_trans_done(struct tevent_req *subreq)
struct cli_trans_state *state = tevent_req_data(
req, struct cli_trans_state);
NTSTATUS status;
- bool sent_all;
- uint8_t wct;
- uint16_t *vwv;
- uint32_t num_bytes;
- uint8_t *bytes;
- uint8_t *inbuf;
- uint8_t num_setup = 0;
- uint16_t *setup = NULL;
- uint32_t total_param = 0;
- uint32_t num_param = 0;
- uint32_t param_disp = 0;
- uint32_t total_data = 0;
- uint32_t num_data = 0;
- uint32_t data_disp = 0;
- uint8_t *param = NULL;
- uint8_t *data = NULL;
-
- status = cli_smb_recv(subreq, state, &inbuf, 0, &wct, &vwv,
- &num_bytes, &bytes);
- /*
- * Do not TALLOC_FREE(subreq) here, we might receive more than
- * one response for the same mid.
- */
-
- /*
- * We can receive something like STATUS_MORE_ENTRIES, so don't use
- * !NT_STATUS_IS_OK(status) here.
- */
-
- if (NT_STATUS_IS_ERR(status)) {
- goto fail;
- }
-
- sent_all = ((state->param_sent == state->num_param)
- && (state->data_sent == state->num_data));
-
- status = cli_pull_trans(
- inbuf, wct, vwv, num_bytes, bytes,
- state->cmd, !sent_all, &num_setup, &setup,
- &total_param, &num_param, ¶m_disp, ¶m,
- &total_data, &num_data, &data_disp, &data);
-
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- if (!sent_all) {
- int iov_count;
-
- TALLOC_FREE(subreq);
-
- cli_trans_format(state, &wct, &iov_count);
-
- subreq = cli_smb_req_create(state, state->ev, state->cli,
- state->cmd + 1, 0, wct, state->vwv,
- iov_count, state->iov);
- if (tevent_req_nomem(subreq, req)) {
- return;
- }
- cli_smb_req_set_mid(subreq, state->mid);
-
- status = cli_smb_req_send(subreq);
-
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
- tevent_req_set_callback(subreq, cli_trans_done, req);
- return;
- }
-
- status = cli_trans_pull_blob(
- state, &state->rparam, total_param, num_param, param,
- param_disp);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("Pulling params failed: %s\n", nt_errstr(status)));
- goto fail;
- }
-
- status = cli_trans_pull_blob(
- state, &state->rdata, total_data, num_data, data,
- data_disp);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("Pulling data failed: %s\n", nt_errstr(status)));
- goto fail;
- }
-
- if ((state->rparam.total == state->rparam.received)
- && (state->rdata.total == state->rdata.received)) {
- state->recv_flags2 = SVAL(inbuf, smb_flg2);
- TALLOC_FREE(subreq);
- cli_state_seqnum_remove(state->cli, state->mid);
- tevent_req_done(req);
+ status = smb1cli_trans_recv(
+ subreq,
+ state,
+ &state->recv_flags2,
+ &state->setup, 0, &state->num_setup,
+ &state->param, 0, &state->num_param,
+ &state->data, 0, &state->num_data);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
return;
}
-
- TALLOC_FREE(inbuf);
-
- if (!cli_smb_req_set_pending(subreq)) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- return;
-
- fail:
- cli_state_seqnum_remove(state->cli, state->mid);
- TALLOC_FREE(subreq);
- tevent_req_nterror(req, status);
+ tevent_req_done(req);
}
NTSTATUS cli_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
{
struct cli_trans_state *state = tevent_req_data(
req, struct cli_trans_state);
- NTSTATUS status;
+ NTSTATUS status = NT_STATUS_OK;
+ bool map_dos_errors = true;
if (tevent_req_is_nterror(req, &status)) {
- return status;
+ goto map_error;
}
- if ((state->num_rsetup < min_setup)
- || (state->rparam.total < min_param)
- || (state->rdata.total < min_data)) {
+ if ((state->num_setup < min_setup) ||
+ (state->num_param < min_param) ||
+ (state->num_data < min_data)) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
if (recv_flags2 != NULL) {
*recv_flags2 = state->recv_flags2;
}
-
if (setup != NULL) {
- *setup = talloc_move(mem_ctx, &state->rsetup);
- *num_setup = state->num_rsetup;
- } else {
- TALLOC_FREE(state->rsetup);
+ *setup = talloc_move(mem_ctx, &state->setup);
+ *num_setup = state->num_setup;
}
-
if (param != NULL) {
- *param = talloc_move(mem_ctx, &state->rparam.data);
- *num_param = state->rparam.total;
- } else {
- TALLOC_FREE(state->rparam.data);
+ *param = talloc_move(mem_ctx, &state->param);
+ *num_param = state->num_param;
}
-
if (data != NULL) {
- *data = talloc_move(mem_ctx, &state->rdata.data);
- *num_data = state->rdata.total;
- } else {
- TALLOC_FREE(state->rdata.data);
+ *data = talloc_move(mem_ctx, &state->data);
+ *num_data = state->num_data;
}
- return NT_STATUS_OK;
+map_error:
+ map_dos_errors = state->cli->map_dos_errors;
+ state->cli->raw_status = 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 old cli_pull_error() also does it, so I do not change
+ * the behavior yet.
+ */
+ status = dos_to_ntstatus(eclass, ecode);
+ }
+
+ return status;
}
NTSTATUS cli_trans(TALLOC_CTX *mem_ctx, struct cli_state *cli,
uint8_t **rdata, uint32_t min_rdata, uint32_t *num_rdata)
{
TALLOC_CTX *frame = talloc_stackframe();
- struct event_context *ev;
+ struct tevent_context *ev;
struct tevent_req *req;
- NTSTATUS status = NT_STATUS_OK;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
- if (cli_has_async_calls(cli)) {
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
/*
* Can't use sync call while an async call is in flight
*/
status = NT_STATUS_INVALID_PARAMETER;
goto fail;
}
-
- ev = event_context_init(frame);
+ ev = samba_tevent_context_init(frame);
if (ev == NULL) {
- status = NT_STATUS_NO_MEMORY;
goto fail;
}
-
- req = cli_trans_send(frame, ev, cli, trans_cmd,
- pipe_name, fid, function, flags,
- setup, num_setup, max_setup,
- param, num_param, max_param,
- data, num_data, max_data);
+ req = cli_trans_send(
+ frame, /* mem_ctx */
+ ev, /* ev */
+ cli, /* cli */
+ 0, /* additional_flags2 */
+ trans_cmd, /* cmd */
+ pipe_name, fid, function, flags,
+ setup, num_setup, max_setup,
+ param, num_param, max_param,
+ data, num_data, max_data);
if (req == NULL) {
- status = NT_STATUS_NO_MEMORY;
goto fail;
}
-
- if (!tevent_req_poll(req, ev)) {
- status = map_nt_error_from_unix(errno);
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
goto fail;
}
-
- status = cli_trans_recv(req, mem_ctx, recv_flags2,
- rsetup, min_rsetup, num_rsetup,
- rparam, min_rparam, num_rparam,
- rdata, min_rdata, num_rdata);
- fail:
+ status = cli_trans_recv(
+ req, mem_ctx, recv_flags2,
+ rsetup, min_rsetup, num_rsetup,
+ rparam, min_rparam, num_rparam,
+ rdata, min_rdata, num_rdata);
+fail:
TALLOC_FREE(frame);
return status;
}
git.samba.org / vlendec / samba-autobuild / .git / blobdiff