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authorStefan Metzmacher <metze@samba.org>2011-09-20 05:07:27 +0200
committerStefan Metzmacher <metze@samba.org>2011-11-24 19:02:32 +0100
commit8a9bfd61b7679a4844a6a7b1af2c19ec6cf244b0 (patch)
treea516cd9a2fea6a73278ff5fff2601af52352a674 /source3/libsmb
parentdd28b28edef1cfab354f03775646cbb0cd9efb31 (diff)
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s3:libsmb: add SMB2 support to cli_session_setup()
metze
Diffstat (limited to 'source3/libsmb')
-rw-r--r--source3/libsmb/cliconnect.c142
1 files changed, 122 insertions, 20 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index 8197e0ac18..39710525dd 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -34,6 +34,7 @@
#include "libsmb/nmblib.h"
#include "librpc/ndr/libndr.h"
#include "../libcli/smb/smbXcli_base.h"
+#include "smb2cli.h"
#define STAR_SMBSERVER "*SMBSERVER"
@@ -1154,6 +1155,9 @@ struct cli_sesssetup_blob_state {
uint16_t vwv[12];
uint8_t *buf;
+ DATA_BLOB smb2_blob;
+ struct iovec *recv_iov;
+
NTSTATUS status;
char *inbuf;
DATA_BLOB ret_blob;
@@ -1181,8 +1185,12 @@ static struct tevent_req *cli_sesssetup_blob_send(TALLOC_CTX *mem_ctx,
state->blob = blob;
state->cli = cli;
- usable_space = cli_state_available_size(cli,
+ if (cli_state_protocol(cli) >= PROTOCOL_SMB2_02) {
+ usable_space = UINT16_MAX;
+ } else {
+ usable_space = cli_state_available_size(cli,
BASE_SESSSETUP_BLOB_PACKET_SIZE);
+ }
if (usable_space == 0) {
DEBUG(1, ("cli_session_setup_blob: cli->max_xmit too small "
@@ -1207,6 +1215,32 @@ static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state *state,
struct tevent_req *subreq;
uint16_t thistime;
+ thistime = MIN(state->blob.length, state->max_blob_size);
+
+ if (cli_state_protocol(state->cli) >= PROTOCOL_SMB2_02) {
+
+ state->smb2_blob.data = state->blob.data;
+ state->smb2_blob.length = thistime;
+
+ state->blob.data += thistime;
+ state->blob.length -= thistime;
+
+ subreq = smb2cli_session_setup_send(state, state->ev,
+ state->cli->conn,
+ state->cli->timeout,
+ state->cli->smb2.session,
+ 0, /* in_flags */
+ SMB2_CAP_DFS, /* in_capabilities */
+ 0, /* in_channel */
+ NULL, /* in_previous_session */
+ &state->smb2_blob);
+ if (subreq == NULL) {
+ return false;
+ }
+ *psubreq = subreq;
+ return true;
+ }
+
SCVAL(state->vwv+0, 0, 0xFF);
SCVAL(state->vwv+0, 1, 0);
SSVAL(state->vwv+1, 0, 0);
@@ -1215,7 +1249,6 @@ static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state *state,
SSVAL(state->vwv+4, 0, 1);
SIVAL(state->vwv+5, 0, 0);
- thistime = MIN(state->blob.length, state->max_blob_size);
SSVAL(state->vwv+7, 0, thistime);
SSVAL(state->vwv+8, 0, 0);
@@ -1265,8 +1298,15 @@ static void cli_sesssetup_blob_done(struct tevent_req *subreq)
uint8_t *inbuf;
ssize_t ret;
- status = cli_smb_recv(subreq, state, &inbuf, 4, &wct, &vwv,
- &num_bytes, &bytes);
+ if (cli_state_protocol(state->cli) >= PROTOCOL_SMB2_02) {
+ status = smb2cli_session_setup_recv(subreq, state,
+ &state->recv_iov,
+ &state->ret_blob);
+ } else {
+ status = cli_smb_recv(subreq, state, &inbuf, 4, &wct, &vwv,
+ &num_bytes, &bytes);
+ TALLOC_FREE(state->buf);
+ }
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)
&& !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
@@ -1275,7 +1315,10 @@ static void cli_sesssetup_blob_done(struct tevent_req *subreq)
}
state->status = status;
- TALLOC_FREE(state->buf);
+
+ if (cli_state_protocol(state->cli) >= PROTOCOL_SMB2_02) {
+ goto next;
+ }
state->inbuf = (char *)inbuf;
cli_state_set_uid(state->cli, SVAL(inbuf, smb_uid));
@@ -1329,6 +1372,7 @@ static void cli_sesssetup_blob_done(struct tevent_req *subreq)
}
p += ret;
+next:
if (state->blob.length != 0) {
/*
* More to send
@@ -1346,25 +1390,32 @@ static void cli_sesssetup_blob_done(struct tevent_req *subreq)
static NTSTATUS cli_sesssetup_blob_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
DATA_BLOB *pblob,
- char **pinbuf)
+ char **pinbuf,
+ struct iovec **precv_iov)
{
struct cli_sesssetup_blob_state *state = tevent_req_data(
req, struct cli_sesssetup_blob_state);
NTSTATUS status;
char *inbuf;
+ struct iovec *recv_iov;
if (tevent_req_is_nterror(req, &status)) {
+ TALLOC_FREE(state->cli->smb2.session);
cli_state_set_uid(state->cli, UID_FIELD_INVALID);
return status;
}
inbuf = talloc_move(mem_ctx, &state->inbuf);
+ recv_iov = talloc_move(mem_ctx, &state->recv_iov);
if (pblob != NULL) {
*pblob = state->ret_blob;
}
if (pinbuf != NULL) {
*pinbuf = inbuf;
}
+ if (precv_iov != NULL) {
+ *precv_iov = recv_iov;
+ }
/* could be NT_STATUS_MORE_PROCESSING_REQUIRED */
return state->status;
}
@@ -1430,6 +1481,14 @@ static struct tevent_req *cli_session_setup_kerberos_send(
state->negTokenTarg.length);
#endif
+ if (cli_state_protocol(cli) >= PROTOCOL_SMB2_02) {
+ state->cli->smb2.session = smbXcli_session_create(cli,
+ cli->conn);
+ if (tevent_req_nomem(state->cli->smb2.session, req)) {
+ return tevent_req_post(req, ev);
+ }
+ }
+
subreq = cli_sesssetup_blob_send(state, ev, cli, state->negTokenTarg);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
@@ -1445,9 +1504,11 @@ static void cli_session_setup_kerberos_done(struct tevent_req *subreq)
struct cli_session_setup_kerberos_state *state = tevent_req_data(
req, struct cli_session_setup_kerberos_state);
char *inbuf = NULL;
+ struct iovec *recv_iov = NULL;
NTSTATUS status;
- status = cli_sesssetup_blob_recv(subreq, talloc_tos(), NULL, &inbuf);
+ status = cli_sesssetup_blob_recv(subreq, state,
+ NULL, &inbuf, &recv_iov);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
@@ -1456,11 +1517,21 @@ static void cli_session_setup_kerberos_done(struct tevent_req *subreq)
cli_set_session_key(state->cli, state->session_key_krb5);
- if (cli_simple_set_signing(state->cli, state->session_key_krb5,
- data_blob_null)
- && !cli_check_sign_mac(state->cli, inbuf, 1)) {
- tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
- return;
+ if (cli_state_protocol(state->cli) >= PROTOCOL_SMB2_02) {
+ struct smbXcli_session *session = state->cli->smb2.session;
+ status = smb2cli_session_update_session_key(session,
+ state->session_key_krb5,
+ recv_iov);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ } else {
+ if (cli_simple_set_signing(state->cli, state->session_key_krb5,
+ data_blob_null)
+ && !cli_check_sign_mac(state->cli, inbuf, 1)) {
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return;
+ }
}
tevent_req_done(req);
@@ -1588,6 +1659,14 @@ static struct tevent_req *cli_session_setup_ntlmssp_send(
state->blob_out = spnego_gen_negTokenInit(state, OIDs_ntlm, &blob_out, NULL);
data_blob_free(&blob_out);
+ if (cli_state_protocol(cli) >= PROTOCOL_SMB2_02) {
+ state->cli->smb2.session = smbXcli_session_create(cli,
+ cli->conn);
+ if (tevent_req_nomem(state->cli->smb2.session, req)) {
+ return tevent_req_post(req, ev);
+ }
+ }
+
subreq = cli_sesssetup_blob_send(state, ev, cli, state->blob_out);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
@@ -1607,11 +1686,12 @@ static void cli_session_setup_ntlmssp_done(struct tevent_req *subreq)
req, struct cli_session_setup_ntlmssp_state);
DATA_BLOB blob_in, msg_in, blob_out;
char *inbuf = NULL;
+ struct iovec *recv_iov = NULL;
bool parse_ret;
NTSTATUS status;
status = cli_sesssetup_blob_recv(subreq, talloc_tos(), &blob_in,
- &inbuf);
+ &inbuf, &recv_iov);
TALLOC_FREE(subreq);
data_blob_free(&state->blob_out);
@@ -1628,12 +1708,22 @@ static void cli_session_setup_ntlmssp_done(struct tevent_req *subreq)
cli_set_session_key(
state->cli, state->ntlmssp_state->session_key);
- if (cli_simple_set_signing(
- state->cli, state->ntlmssp_state->session_key,
- data_blob_null)
- && !cli_check_sign_mac(state->cli, inbuf, 1)) {
- tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
- return;
+ if (cli_state_protocol(state->cli) >= PROTOCOL_SMB2_02) {
+ struct smbXcli_session *session = state->cli->smb2.session;
+ status = smb2cli_session_update_session_key(session,
+ state->ntlmssp_state->session_key,
+ recv_iov);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ } else {
+ if (cli_simple_set_signing(
+ state->cli, state->ntlmssp_state->session_key,
+ data_blob_null)
+ && !cli_check_sign_mac(state->cli, inbuf, 1)) {
+ tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
+ return;
+ }
}
TALLOC_FREE(state->ntlmssp_state);
tevent_req_done(req);
@@ -1812,7 +1902,7 @@ static ADS_STATUS cli_session_setup_spnego(struct cli_state *cli,
/* If password is set we reauthenticate to kerberos server
* and do not store results */
- if (cli->got_kerberos_mechanism && cli->use_kerberos) {
+ if (user && *user && cli->got_kerberos_mechanism && cli->use_kerberos) {
ADS_STATUS rc;
const char *remote_name = cli_state_remote_name(cli);
@@ -1988,6 +2078,18 @@ NTSTATUS cli_session_setup(struct cli_state *cli,
workgroup);
}
+ if (cli_state_protocol(cli) >= PROTOCOL_SMB2_02) {
+ const char *remote_realm = cli_state_remote_realm(cli);
+ ADS_STATUS status = cli_session_setup_spnego(cli, user, pass,
+ workgroup,
+ remote_realm);
+ if (!ADS_ERR_OK(status)) {
+ DEBUG(3, ("SMB2-SPNEGO login failed: %s\n", ads_errstr(status)));
+ return ads_ntstatus(status);
+ }
+ return NT_STATUS_OK;
+ }
+
/* if no user is supplied then we have to do an anonymous connection.
passwords are ignored */