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Diffstat (limited to 'source3/libsmb/cliconnect.c')
-rw-r--r--source3/libsmb/cliconnect.c339
1 files changed, 210 insertions, 129 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index aa1ca595a7..53a812d222 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -165,14 +165,30 @@ static uint32 cli_session_setup_capabilities(struct cli_state *cli)
Do a NT1 guest session setup.
****************************************************************************/
-struct async_req *cli_session_setup_guest_send(TALLOC_CTX *mem_ctx,
- struct event_context *ev,
- struct cli_state *cli)
+struct cli_session_setup_guest_state {
+ struct cli_state *cli;
+ uint16_t vwv[16];
+};
+
+static void cli_session_setup_guest_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_session_setup_guest_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ struct cli_state *cli)
{
- struct async_req *result;
- uint16_t vwv[13];
+ struct tevent_req *req, *subreq;
+ struct cli_session_setup_guest_state *state;
+ uint16_t *vwv;
uint8_t *bytes;
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_session_setup_guest_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+ vwv = state->vwv;
+
SCVAL(vwv+0, 0, 0xFF);
SCVAL(vwv+0, 1, 0);
SSVAL(vwv+1, 0, 0);
@@ -186,7 +202,7 @@ struct async_req *cli_session_setup_guest_send(TALLOC_CTX *mem_ctx,
SSVAL(vwv+10, 0, 0);
SIVAL(vwv+11, 0, cli_session_setup_capabilities(cli));
- bytes = talloc_array(talloc_tos(), uint8_t, 0);
+ bytes = talloc_array(state, uint8_t, 0);
bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, /* username */
NULL);
@@ -195,68 +211,78 @@ struct async_req *cli_session_setup_guest_send(TALLOC_CTX *mem_ctx,
bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "Unix", 5, NULL);
bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "Samba", 6, NULL);
- if (bytes == NULL) {
- return NULL;
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
}
- result = cli_request_send(mem_ctx, ev, cli, SMBsesssetupX, 0,
- 13, vwv, 0, talloc_get_size(bytes), bytes);
- TALLOC_FREE(bytes);
- return result;
+ subreq = cli_smb_send(state, ev, cli, SMBsesssetupX, 0, 13, vwv,
+ talloc_get_size(bytes), bytes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_session_setup_guest_done, req);
+ return req;
}
-NTSTATUS cli_session_setup_guest_recv(struct async_req *req)
+static void cli_session_setup_guest_done(struct tevent_req *subreq)
{
- struct cli_request *cli_req = talloc_get_type_abort(
- req->private_data, struct cli_request);
- struct cli_state *cli = cli_req->cli;
- uint8_t wct;
- uint16_t *vwv;
- uint16_t num_bytes;
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_session_setup_guest_state *state = tevent_req_data(
+ req, struct cli_session_setup_guest_state);
+ struct cli_state *cli = state->cli;
+ uint32_t num_bytes;
+ char *inbuf;
uint8_t *bytes;
uint8_t *p;
NTSTATUS status;
- if (async_req_is_nterror(req, &status)) {
- return status;
- }
-
- status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+ status = cli_smb_recv(subreq, 0, NULL, NULL, &num_bytes, &bytes);
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ TALLOC_FREE(subreq);
+ tevent_req_nterror(req, status);
+ return;
}
+ inbuf = (char *)cli_smb_inbuf(subreq);
p = bytes;
- cli->vuid = SVAL(cli_req->inbuf, smb_uid);
+ cli->vuid = SVAL(inbuf, smb_uid);
- p += clistr_pull(cli_req->inbuf, cli->server_os, (char *)p,
- sizeof(fstring), bytes+num_bytes-p, STR_TERMINATE);
- p += clistr_pull(cli_req->inbuf, cli->server_type, (char *)p,
- sizeof(fstring), bytes+num_bytes-p, STR_TERMINATE);
- p += clistr_pull(cli_req->inbuf, cli->server_domain, (char *)p,
- sizeof(fstring), bytes+num_bytes-p, STR_TERMINATE);
+ p += clistr_pull(inbuf, cli->server_os, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
+ p += clistr_pull(inbuf, cli->server_type, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
+ p += clistr_pull(inbuf, cli->server_domain, (char *)p, sizeof(fstring),
+ bytes+num_bytes-p, STR_TERMINATE);
if (strstr(cli->server_type, "Samba")) {
cli->is_samba = True;
}
+ TALLOC_FREE(subreq);
+
status = cli_set_username(cli, "");
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ tevent_req_nterror(req, status);
+ return;
}
+ tevent_req_done(req);
+}
- return NT_STATUS_OK;
+NTSTATUS cli_session_setup_guest_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
}
static NTSTATUS cli_session_setup_guest(struct cli_state *cli)
{
TALLOC_CTX *frame = talloc_stackframe();
struct event_context *ev;
- struct async_req *req;
- NTSTATUS status;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
- if (cli->fd_event != NULL) {
+ if (cli_has_async_calls(cli)) {
/*
* Can't use sync call while an async call is in flight
*/
@@ -276,13 +302,17 @@ static NTSTATUS cli_session_setup_guest(struct cli_state *cli)
goto fail;
}
- while (req->state < ASYNC_REQ_DONE) {
- event_loop_once(ev);
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
}
status = cli_session_setup_guest_recv(req);
fail:
TALLOC_FREE(frame);
+ if (!NT_STATUS_IS_OK(status)) {
+ cli_set_error(cli, status);
+ }
return status;
}
@@ -1189,18 +1219,33 @@ bool cli_ulogoff(struct cli_state *cli)
Send a tconX.
****************************************************************************/
-struct async_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
- struct event_context *ev,
- struct cli_state *cli,
- const char *share, const char *dev,
- const char *pass, int passlen)
+struct cli_tcon_andx_state {
+ struct cli_state *cli;
+ uint16_t vwv[4];
+};
+
+static void cli_tcon_andx_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ struct cli_state *cli,
+ const char *share, const char *dev,
+ const char *pass, int passlen)
{
+ struct tevent_req *req, *subreq;
+ struct cli_tcon_andx_state *state;
fstring pword;
+ uint16_t *vwv;
char *tmp = NULL;
- struct async_req *result;
- uint16_t vwv[4];
uint8_t *bytes;
+ req = tevent_req_create(mem_ctx, &state, struct cli_tcon_andx_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+ vwv = state->vwv;
+
fstrcpy(cli->share, share);
/* in user level security don't send a password now */
@@ -1263,9 +1308,9 @@ struct async_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
SSVAL(vwv+3, 0, passlen);
if (passlen) {
- bytes = (uint8_t *)talloc_memdup(talloc_tos(), pword, passlen);
+ bytes = (uint8_t *)talloc_memdup(state, pword, passlen);
} else {
- bytes = talloc_array(talloc_tos(), uint8_t, 0);
+ bytes = talloc_array(state, uint8_t, 0);
}
/*
@@ -1273,9 +1318,8 @@ struct async_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
*/
tmp = talloc_asprintf_strupper_m(talloc_tos(), "\\\\%s\\%s",
cli->desthost, share);
- if (tmp == NULL) {
- TALLOC_FREE(bytes);
- return NULL;
+ if (tevent_req_nomem(tmp, req)) {
+ return tevent_req_post(req, ev);
}
bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), tmp, strlen(tmp)+1,
NULL);
@@ -1285,60 +1329,52 @@ struct async_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
* Add the devicetype
*/
tmp = talloc_strdup_upper(talloc_tos(), dev);
- if (tmp == NULL) {
- TALLOC_FREE(bytes);
- return NULL;
+ if (tevent_req_nomem(tmp, req)) {
+ return tevent_req_post(req, ev);
}
bytes = smb_bytes_push_str(bytes, false, tmp, strlen(tmp)+1, NULL);
TALLOC_FREE(tmp);
- if (bytes == NULL) {
- return NULL;
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
}
- result = cli_request_send(mem_ctx, ev, cli, SMBtconX, 0,
- 4, vwv, 0, talloc_get_size(bytes), bytes);
- TALLOC_FREE(bytes);
- return result;
+ subreq = cli_smb_send(state, ev, cli, SMBtconX, 0, 4, vwv,
+ talloc_get_size(bytes), bytes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_tcon_andx_done, req);
+ return req;
access_denied:
- {
- struct cli_request *state;
- if (!async_req_setup(mem_ctx, &result, &state,
- struct cli_request)) {
- goto fail;
- }
- if (async_post_ntstatus(result, ev, NT_STATUS_ACCESS_DENIED)) {
- return result;
- }
- }
- fail:
- TALLOC_FREE(result);
- return NULL;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return tevent_req_post(req, ev);
}
-NTSTATUS cli_tcon_andx_recv(struct async_req *req)
+static void cli_tcon_andx_done(struct tevent_req *subreq)
{
- struct cli_request *cli_req = talloc_get_type_abort(
- req->private_data, struct cli_request);
- struct cli_state *cli = cli_req->cli;
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_tcon_andx_state *state = tevent_req_data(
+ req, struct cli_tcon_andx_state);
+ struct cli_state *cli = state->cli;
+ char *inbuf = (char *)cli_smb_inbuf(subreq);
uint8_t wct;
uint16_t *vwv;
- uint16_t num_bytes;
+ uint32_t num_bytes;
uint8_t *bytes;
NTSTATUS status;
- if (async_req_is_nterror(req, &status)) {
- return status;
- }
-
- status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+ status = cli_smb_recv(subreq, 0, &wct, &vwv, &num_bytes, &bytes);
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ TALLOC_FREE(subreq);
+ tevent_req_nterror(req, status);
+ return;
}
- clistr_pull(cli_req->inbuf, cli->dev, bytes, sizeof(fstring),
- num_bytes, STR_TERMINATE|STR_ASCII);
+ clistr_pull(inbuf, cli->dev, bytes, sizeof(fstring), num_bytes,
+ STR_TERMINATE|STR_ASCII);
if ((cli->protocol >= PROTOCOL_NT1) && (num_bytes == 3)) {
/* almost certainly win95 - enable bug fixes */
@@ -1356,8 +1392,13 @@ NTSTATUS cli_tcon_andx_recv(struct async_req *req)
cli->dfsroot = ((SVAL(vwv+2, 0) & SMB_SHARE_IN_DFS) != 0);
}
- cli->cnum = SVAL(cli_req->inbuf,smb_tid);
- return NT_STATUS_OK;
+ cli->cnum = SVAL(inbuf,smb_tid);
+ tevent_req_done(req);
+}
+
+NTSTATUS cli_tcon_andx_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
}
NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
@@ -1365,10 +1406,10 @@ NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
{
TALLOC_CTX *frame = talloc_stackframe();
struct event_context *ev;
- struct async_req *req;
- NTSTATUS status;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
- if (cli->fd_event != NULL) {
+ if (cli_has_async_calls(cli)) {
/*
* Can't use sync call while an async call is in flight
*/
@@ -1388,13 +1429,17 @@ NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
goto fail;
}
- while (req->state < ASYNC_REQ_DONE) {
- event_loop_once(ev);
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
}
status = cli_tcon_andx_recv(req);
fail:
TALLOC_FREE(frame);
+ if (!NT_STATUS_IS_OK(status)) {
+ cli_set_error(cli, status);
+ }
return status;
}
@@ -1461,14 +1506,27 @@ void cli_negprot_sendsync(struct cli_state *cli)
Send a negprot command.
****************************************************************************/
-struct async_req *cli_negprot_send(TALLOC_CTX *mem_ctx,
- struct event_context *ev,
- struct cli_state *cli)
+struct cli_negprot_state {
+ struct cli_state *cli;
+};
+
+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)
{
- struct async_req *result;
+ struct tevent_req *req, *subreq;
+ struct cli_negprot_state *state;
uint8_t *bytes = NULL;
int numprots;
+ req = tevent_req_create(mem_ctx, &state, struct cli_negprot_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+
if (cli->protocol < PROTOCOL_NT1)
cli->use_spnego = False;
@@ -1479,51 +1537,54 @@ struct async_req *cli_negprot_send(TALLOC_CTX *mem_ctx,
break;
}
bytes = (uint8_t *)talloc_append_blob(
- talloc_tos(), bytes, data_blob_const(&c, sizeof(c)));
- if (bytes == NULL) {
- return NULL;
+ 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 (bytes == NULL) {
- return NULL;
+ if (tevent_req_nomem(bytes, req)) {
+ return tevent_req_post(req, ev);
}
}
- result = cli_request_send(mem_ctx, ev, cli, SMBnegprot, 0, 0, NULL, 0,
- talloc_get_size(bytes), bytes);
- TALLOC_FREE(bytes);
- return result;
+ subreq = cli_smb_send(state, ev, cli, SMBnegprot, 0, 0, NULL,
+ talloc_get_size(bytes), bytes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_negprot_done, req);
+ return req;
}
-NTSTATUS cli_negprot_recv(struct async_req *req)
+static void cli_negprot_done(struct tevent_req *subreq)
{
- struct cli_request *cli_req = talloc_get_type_abort(
- req->private_data, struct cli_request);
- struct cli_state *cli = cli_req->cli;
+ 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 wct;
uint16_t *vwv;
- uint16_t num_bytes;
+ uint32_t num_bytes;
uint8_t *bytes;
NTSTATUS status;
uint16_t protnum;
- if (async_req_is_nterror(req, &status)) {
- return status;
- }
-
- status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+ status = cli_smb_recv(subreq, 1, &wct, &vwv, &num_bytes, &bytes);
if (!NT_STATUS_IS_OK(status)) {
- return status;
+ TALLOC_FREE(subreq);
+ return;
}
protnum = SVAL(vwv, 0);
if ((protnum >= ARRAY_SIZE(prots))
- || (prots[protnum].prot > cli_req->cli->protocol)) {
- return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ || (prots[protnum].prot > cli->protocol)) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
}
cli->protocol = prots[protnum].prot;
@@ -1531,7 +1592,8 @@ NTSTATUS cli_negprot_recv(struct async_req *req)
if ((cli->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"));
- return NT_STATUS_ACCESS_DENIED;
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return;
}
if (cli->protocol >= PROTOCOL_NT1) {
@@ -1572,14 +1634,18 @@ NTSTATUS cli_negprot_recv(struct async_req *req)
/* Fail if server says signing is mandatory and we don't want to support it. */
if (!client_is_signing_allowed(cli)) {
DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
- return NT_STATUS_ACCESS_DENIED;
+ tevent_req_nterror(req,
+ NT_STATUS_ACCESS_DENIED);
+ return;
}
negotiated_smb_signing = true;
} else if (client_is_signing_mandatory(cli) && client_is_signing_allowed(cli)) {
/* Fail if client says signing is mandatory and the server doesn't support it. */
if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
- return NT_STATUS_ACCESS_DENIED;
+ tevent_req_nterror(req,
+ NT_STATUS_ACCESS_DENIED);
+ return;
}
negotiated_smb_signing = true;
} else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
@@ -1625,41 +1691,52 @@ NTSTATUS cli_negprot_recv(struct async_req *req)
if (getenv("CLI_FORCE_ASCII"))
cli->capabilities &= ~CAP_UNICODE;
- return NT_STATUS_OK;
+ tevent_req_done(req);
+}
+
+NTSTATUS cli_negprot_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
}
NTSTATUS cli_negprot(struct cli_state *cli)
{
TALLOC_CTX *frame = talloc_stackframe();
struct event_context *ev;
- struct async_req *req;
- NTSTATUS status = NT_STATUS_NO_MEMORY;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
- if (cli->fd_event != NULL) {
+ if (cli_has_async_calls(cli)) {
/*
* Can't use sync call while an async call is in flight
*/
- cli_set_error(cli, NT_STATUS_INVALID_PARAMETER);
+ 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);
if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
goto fail;
}
- while (req->state < ASYNC_REQ_DONE) {
- event_loop_once(ev);
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
}
status = cli_negprot_recv(req);
fail:
TALLOC_FREE(frame);
+ if (!NT_STATUS_IS_OK(status)) {
+ cli_set_error(cli, status);
+ }
return status;
}
@@ -2092,6 +2169,10 @@ NTSTATUS cli_full_connection(struct cli_state **output_cli,
return nt_status;
}
+ cli->use_oplocks = ((flags & CLI_FULL_CONNECTION_OPLOCKS) != 0);
+ cli->use_level_II_oplocks =
+ ((flags & CLI_FULL_CONNECTION_LEVEL_II_OPLOCKS) != 0);
+
nt_status = cli_session_setup(cli, user, password, pw_len, password,
pw_len, domain);
if (!NT_STATUS_IS_OK(nt_status)) {
generated by cgit (git 2.34.1) at 2024-08-07 12:58:19 +0000