FS info functions
Copyright (C) Stefan (metze) Metzmacher 2003
Copyright (C) Jeremy Allison 2007
+ Copyright (C) Andrew Bartlett 2011
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include "includes.h"
-#include "../libcli/auth/spnego.h"
-#include "../libcli/auth/ntlmssp.h"
+#include "libsmb/libsmb.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "async_smb.h"
+#include "../libcli/smb/smb_seal.h"
+#include "trans2.h"
+#include "auth_generic.h"
+#include "auth/gensec/gensec.h"
+#include "../libcli/smb/smbXcli_base.h"
+#include "auth/credentials/credentials.h"
+#include "../librpc/gen_ndr/ndr_security.h"
/****************************************************************************
Get UNIX extensions version info.
SSVAL(state->setup, 0, TRANSACT2_QFSINFO);
SSVAL(state->param, 0, SMB_QUERY_CIFS_UNIX_INFO);
- subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ subreq = cli_trans_send(state, ev, cli, 0, SMBtrans2,
NULL, 0, 0, 0,
state->setup, 1, 0,
state->param, 2, 0,
uint32_t num_data;
NTSTATUS status;
- status = cli_trans_recv(subreq, state, NULL, 0, NULL, NULL, 0, NULL,
- &data, 12, &num_data);
+ status = cli_trans_recv(subreq, state, NULL, NULL, 0, NULL,
+ NULL, 0, NULL, &data, 12, &num_data);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return NT_STATUS_OK;
}
-NTSTATUS cli_unix_extensions_version(struct cli_state *cli, uint16 *pmajor,
- uint16 *pminor, uint32 *pcaplow,
- uint32 *pcaphigh)
+NTSTATUS cli_unix_extensions_version(struct cli_state *cli, uint16_t *pmajor,
+ uint16_t *pminor, uint32_t *pcaplow,
+ uint32_t *pcaphigh)
{
TALLOC_CTX *frame = talloc_stackframe();
- struct event_context *ev;
+ struct tevent_context *ev;
struct tevent_req *req;
NTSTATUS status = NT_STATUS_OK;
- 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
*/
goto fail;
}
- ev = event_context_init(frame);
+ ev = samba_tevent_context_init(frame);
if (ev == NULL) {
status = NT_STATUS_NO_MEMORY;
goto fail;
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;
}
pcaphigh);
fail:
TALLOC_FREE(frame);
- if (!NT_STATUS_IS_OK(status)) {
- cli_set_error(cli, status);
- }
return status;
}
SIVAL(state->data, 4, caplow);
SIVAL(state->data, 8, caphigh);
- subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ subreq = cli_trans_send(state, ev, cli, 0, SMBtrans2,
NULL, 0, 0, 0,
state->setup, 1, 0,
state->param, 4, 0,
struct cli_set_unix_extensions_capabilities_state *state = tevent_req_data(
req, struct cli_set_unix_extensions_capabilities_state);
- NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, 0, NULL,
+ NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, NULL, 0, NULL,
NULL, 0, NULL, NULL, 0, NULL);
if (NT_STATUS_IS_OK(status)) {
state->cli->requested_posix_capabilities = IVAL(state->data, 4);
}
NTSTATUS cli_set_unix_extensions_capabilities(struct cli_state *cli,
- uint16 major, uint16 minor,
- uint32 caplow, uint32 caphigh)
+ uint16_t major, uint16_t minor,
+ uint32_t caplow, uint32_t caphigh)
{
struct tevent_context *ev;
struct tevent_req *req;
NTSTATUS status = NT_STATUS_NO_MEMORY;
- if (cli_has_async_calls(cli)) {
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
return NT_STATUS_INVALID_PARAMETER;
}
- ev = tevent_context_init(talloc_tos());
+ ev = samba_tevent_context_init(talloc_tos());
if (ev == NULL) {
goto fail;
}
status = cli_set_unix_extensions_capabilities_recv(req);
fail:
TALLOC_FREE(ev);
- if (!NT_STATUS_IS_OK(status)) {
- cli_set_error(cli, status);
- }
return status;
}
SSVAL(state->setup+0, 0, TRANSACT2_QFSINFO);
SSVAL(state->param+0, 0, SMB_QUERY_FS_ATTRIBUTE_INFO);
- subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ subreq = cli_trans_send(state, ev, cli, 0, SMBtrans2,
NULL, 0, 0, 0,
state->setup, 1, 0,
state->param, 2, 0,
uint32_t num_data;
NTSTATUS status;
- status = cli_trans_recv(subreq, talloc_tos(), NULL, 0, NULL,
+ status = cli_trans_recv(subreq, talloc_tos(), NULL, NULL, 0, NULL,
NULL, 0, NULL, &data, 12, &num_data);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
struct tevent_req *req;
NTSTATUS status = NT_STATUS_NO_MEMORY;
- if (cli_has_async_calls(cli)) {
+ if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
+ return cli_smb2_get_fs_attr_info(cli, fs_attr);
+ }
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
return NT_STATUS_INVALID_PARAMETER;
}
- ev = tevent_context_init(talloc_tos());
+ ev = samba_tevent_context_init(talloc_tos());
if (ev == NULL) {
goto fail;
}
status = cli_get_fs_attr_info_recv(req, fs_attr);
fail:
TALLOC_FREE(ev);
- if (!NT_STATUS_IS_OK(status)) {
- cli_set_error(cli, status);
- }
return status;
}
-NTSTATUS cli_get_fs_volume_info(struct cli_state *cli, fstring volume_name,
- uint32 *pserial_number, time_t *pdate)
+NTSTATUS cli_get_fs_volume_info(struct cli_state *cli,
+ TALLOC_CTX *mem_ctx,
+ char **_volume_name,
+ uint32_t *pserial_number,
+ time_t *pdate)
{
NTSTATUS status;
- uint16 setup[1];
+ uint16_t recv_flags2;
+ uint16_t setup[1];
uint8_t param[2];
uint8_t *rdata;
uint32_t rdata_count;
unsigned int nlen;
+ char *volume_name = NULL;
SSVAL(setup, 0, TRANSACT2_QFSINFO);
SSVAL(param,0,SMB_QUERY_FS_VOLUME_INFO);
setup, 1, 0,
param, 2, 0,
NULL, 0, 560,
+ &recv_flags2,
NULL, 0, NULL,
NULL, 0, NULL,
- &rdata, 10, &rdata_count);
+ &rdata, 18, &rdata_count);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
*pserial_number = IVAL(rdata,8);
}
nlen = IVAL(rdata,12);
- clistr_pull(cli->inbuf, volume_name, rdata + 18, sizeof(fstring),
- nlen, STR_UNICODE);
+ if (nlen > (rdata_count - 18)) {
+ TALLOC_FREE(rdata);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ clistr_pull_talloc(mem_ctx,
+ (const char *)rdata,
+ recv_flags2,
+ &volume_name,
+ rdata + 18,
+ nlen, STR_UNICODE);
+ if (volume_name == NULL) {
+ status = map_nt_error_from_unix(errno);
+ TALLOC_FREE(rdata);
+ return status;
+ }
/* todo: but not yet needed
* return the other stuff
*/
+ *_volume_name = volume_name;
TALLOC_FREE(rdata);
return NT_STATUS_OK;
}
-bool cli_get_fs_full_size_info(struct cli_state *cli,
- uint64_t *total_allocation_units,
- uint64_t *caller_allocation_units,
- uint64_t *actual_allocation_units,
- uint64_t *sectors_per_allocation_unit,
- uint64_t *bytes_per_sector)
+NTSTATUS cli_get_fs_full_size_info(struct cli_state *cli,
+ uint64_t *total_allocation_units,
+ uint64_t *caller_allocation_units,
+ uint64_t *actual_allocation_units,
+ uint64_t *sectors_per_allocation_unit,
+ uint64_t *bytes_per_sector)
{
- bool ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
-
- setup = TRANSACT2_QFSINFO;
-
- SSVAL(param,0,SMB_FS_FULL_SIZE_INFORMATION);
-
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint8_t *rdata = NULL;
+ uint32_t rdata_count;
+ NTSTATUS status;
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
- }
+ SSVAL(setup, 0, TRANSACT2_QFSINFO);
+ SSVAL(param, 0, SMB_FS_FULL_SIZE_INFORMATION);
- if (rdata_count != 32) {
- goto cleanup;
+ status = cli_trans(talloc_tos(), cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ setup, 1, 0, /* setup */
+ param, 2, 0, /* param */
+ NULL, 0, 560, /* data */
+ NULL,
+ NULL, 0, NULL, /* rsetup */
+ NULL, 0, NULL, /* rparam */
+ &rdata, 32, &rdata_count); /* rdata */
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
}
if (total_allocation_units) {
*bytes_per_sector = IVAL(rdata,28);
}
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
-
- return ret;
+fail:
+ TALLOC_FREE(rdata);
+ return status;
}
-bool cli_get_posix_fs_info(struct cli_state *cli,
- uint32 *optimal_transfer_size,
- uint32 *block_size,
- uint64_t *total_blocks,
- uint64_t *blocks_available,
- uint64_t *user_blocks_available,
- uint64_t *total_file_nodes,
- uint64_t *free_file_nodes,
- uint64_t *fs_identifier)
+NTSTATUS cli_get_posix_fs_info(struct cli_state *cli,
+ uint32_t *optimal_transfer_size,
+ uint32_t *block_size,
+ uint64_t *total_blocks,
+ uint64_t *blocks_available,
+ uint64_t *user_blocks_available,
+ uint64_t *total_file_nodes,
+ uint64_t *free_file_nodes,
+ uint64_t *fs_identifier)
{
- bool ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
-
- setup = TRANSACT2_QFSINFO;
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint8_t *rdata = NULL;
+ uint32_t rdata_count;
+ NTSTATUS status;
+ SSVAL(setup, 0, TRANSACT2_QFSINFO);
SSVAL(param,0,SMB_QUERY_POSIX_FS_INFO);
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
-
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
- }
-
- if (rdata_count != 56) {
- goto cleanup;
+ status = cli_trans(talloc_tos(), cli, SMBtrans2, NULL, 0, 0, 0,
+ setup, 1, 0,
+ param, 2, 0,
+ NULL, 0, 560,
+ NULL,
+ NULL, 0, NULL, /* rsetup */
+ NULL, 0, NULL, /* rparam */
+ &rdata, 56, &rdata_count);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
if (optimal_transfer_size) {
if (fs_identifier) {
*fs_identifier = BIG_UINT(rdata,48);
}
-
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
-
- return ret;
+ return NT_STATUS_OK;
}
static NTSTATUS enc_blob_send_receive(struct cli_state *cli, DATA_BLOB *in, DATA_BLOB *out, DATA_BLOB *param_out)
{
- uint16 setup;
- char param[4];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
- NTSTATUS status = NT_STATUS_OK;
-
- setup = TRANSACT2_SETFSINFO;
+ uint16_t setup[1];
+ uint8_t param[4];
+ uint8_t *rparam=NULL, *rdata=NULL;
+ uint32_t num_rparam, num_rdata;
+ NTSTATUS status;
+ SSVAL(setup+0, 0, TRANSACT2_SETFSINFO);
SSVAL(param,0,0);
SSVAL(param,2,SMB_REQUEST_TRANSPORT_ENCRYPTION);
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 4, 0,
- (char *)in->data, in->length, CLI_BUFFER_SIZE)) {
- status = cli_nt_error(cli);
- goto out;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- status = cli_nt_error(cli);
- goto out;
- }
-
- if (cli_is_error(cli)) {
- status = cli_nt_error(cli);
- if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- goto out;
- }
+ status = cli_trans(talloc_tos(), cli, SMBtrans2, NULL, 0, 0, 0,
+ setup, 1, 0,
+ param, 4, 2,
+ (uint8_t *)in->data, in->length, CLI_BUFFER_SIZE,
+ NULL, /* recv_flags */
+ NULL, 0, NULL, /* rsetup */
+ &rparam, 0, &num_rparam,
+ &rdata, 0, &num_rdata);
+
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ return status;
}
- *out = data_blob(rdata, rdata_count);
- *param_out = data_blob(rparam, rparam_count);
+ *out = data_blob(rdata, num_rdata);
+ *param_out = data_blob(rparam, num_rparam);
- out:
-
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+ TALLOC_FREE(rparam);
+ TALLOC_FREE(rdata);
return status;
}
-/******************************************************************************
- Make a client state struct.
-******************************************************************************/
-
-static struct smb_trans_enc_state *make_cli_enc_state(enum smb_trans_enc_type smb_enc_type)
-{
- struct smb_trans_enc_state *es = NULL;
- es = SMB_MALLOC_P(struct smb_trans_enc_state);
- if (!es) {
- return NULL;
- }
- ZERO_STRUCTP(es);
- es->smb_enc_type = smb_enc_type;
-
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
- if (smb_enc_type == SMB_TRANS_ENC_GSS) {
- es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
- if (!es->s.gss_state) {
- SAFE_FREE(es);
- return NULL;
- }
- ZERO_STRUCTP(es->s.gss_state);
- }
-#endif
- return es;
-}
-
/******************************************************************************
Start a raw ntlmssp encryption.
******************************************************************************/
DATA_BLOB blob_out = data_blob_null;
DATA_BLOB param_out = data_blob_null;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- struct smb_trans_enc_state *es = make_cli_enc_state(SMB_TRANS_ENC_NTLM);
-
+ struct auth_generic_state *auth_generic_state;
+ struct smb_trans_enc_state *es = talloc_zero(NULL, struct smb_trans_enc_state);
if (!es) {
return NT_STATUS_NO_MEMORY;
}
- status = ntlmssp_client_start(NULL,
- global_myname(),
- lp_workgroup(),
- lp_client_ntlmv2_auth(),
- &es->s.ntlmssp_state);
+ status = auth_generic_client_prepare(es,
+ &auth_generic_state);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
- ntlmssp_want_feature(es->s.ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
- es->s.ntlmssp_state->neg_flags |= (NTLMSSP_NEGOTIATE_SIGN|NTLMSSP_NEGOTIATE_SEAL);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
- if (!NT_STATUS_IS_OK(status = ntlmssp_set_username(es->s.ntlmssp_state, user))) {
+ if (!NT_STATUS_IS_OK(status = auth_generic_set_username(auth_generic_state, user))) {
goto fail;
}
- if (!NT_STATUS_IS_OK(status = ntlmssp_set_domain(es->s.ntlmssp_state, domain))) {
+ if (!NT_STATUS_IS_OK(status = auth_generic_set_domain(auth_generic_state, domain))) {
goto fail;
}
- if (!NT_STATUS_IS_OK(status = ntlmssp_set_password(es->s.ntlmssp_state, pass))) {
+ if (!NT_STATUS_IS_OK(status = auth_generic_set_password(auth_generic_state, pass))) {
+ goto fail;
+ }
+
+ if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_NTLMSSP))) {
goto fail;
}
do {
- status = ntlmssp_update(es->s.ntlmssp_state, blob_in, &blob_out);
+ status = gensec_update(auth_generic_state->gensec_security, auth_generic_state,
+ blob_in, &blob_out);
data_blob_free(&blob_in);
data_blob_free(¶m_out);
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) || NT_STATUS_IS_OK(status)) {
data_blob_free(&blob_in);
if (NT_STATUS_IS_OK(status)) {
+ es->enc_on = true;
/* Replace the old state, if any. */
- if (cli->trans_enc_state) {
- common_free_encryption_state(&cli->trans_enc_state);
- }
- cli->trans_enc_state = es;
- cli->trans_enc_state->enc_on = True;
+ /* We only need the gensec_security part from here.
+ * es is a malloc()ed pointer, so we cannot make
+ * gensec_security a talloc child */
+ es->gensec_security = talloc_move(NULL,
+ &auth_generic_state->gensec_security);
+ smb1cli_conn_set_encryption(cli->conn, es);
es = NULL;
}
fail:
-
- common_free_encryption_state(&es);
+ TALLOC_FREE(es);
return status;
}
-#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
-
-#ifndef SMB_GSS_REQUIRED_FLAGS
-#define SMB_GSS_REQUIRED_FLAGS (GSS_C_CONF_FLAG|GSS_C_INTEG_FLAG|GSS_C_MUTUAL_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)
-#endif
-
/******************************************************************************
- Get client gss blob to send to a server.
+ Start a SPNEGO gssapi encryption context.
******************************************************************************/
-static NTSTATUS make_cli_gss_blob(TALLOC_CTX *ctx,
- struct smb_trans_enc_state *es,
- const char *service,
- const char *host,
- NTSTATUS status_in,
- DATA_BLOB spnego_blob_in,
- DATA_BLOB *p_blob_out)
+NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
{
- const char *krb_mechs[] = {OID_KERBEROS5, NULL};
- OM_uint32 ret;
- OM_uint32 min;
- gss_name_t srv_name;
- gss_buffer_desc input_name;
- gss_buffer_desc *p_tok_in;
- gss_buffer_desc tok_out, tok_in;
- DATA_BLOB blob_out = data_blob_null;
- DATA_BLOB blob_in = data_blob_null;
- char *host_princ_s = NULL;
- OM_uint32 ret_flags = 0;
- NTSTATUS status = NT_STATUS_OK;
-
- gss_OID_desc nt_hostbased_service =
- {10, CONST_DISCARD(char *,"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
-
- memset(&tok_out, '\0', sizeof(tok_out));
+ DATA_BLOB blob_recv = data_blob_null;
+ DATA_BLOB blob_send = data_blob_null;
+ DATA_BLOB param_out = data_blob_null;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ struct auth_generic_state *auth_generic_state;
+ struct smb_trans_enc_state *es = talloc_zero(NULL, struct smb_trans_enc_state);
- /* Get a ticket for the service@host */
- if (asprintf(&host_princ_s, "%s@%s", service, host) == -1) {
+ if (!es) {
return NT_STATUS_NO_MEMORY;
}
- input_name.value = host_princ_s;
- input_name.length = strlen(host_princ_s) + 1;
-
- ret = gss_import_name(&min,
- &input_name,
- &nt_hostbased_service,
- &srv_name);
-
- if (ret != GSS_S_COMPLETE) {
- SAFE_FREE(host_princ_s);
- return map_nt_error_from_gss(ret, min);
- }
-
- if (spnego_blob_in.length == 0) {
- p_tok_in = GSS_C_NO_BUFFER;
- } else {
- /* Remove the SPNEGO wrapper */
- if (!spnego_parse_auth_response(ctx, spnego_blob_in, status_in, OID_KERBEROS5, &blob_in)) {
- status = NT_STATUS_UNSUCCESSFUL;
- goto fail;
- }
- tok_in.value = blob_in.data;
- tok_in.length = blob_in.length;
- p_tok_in = &tok_in;
- }
-
- ret = gss_init_sec_context(&min,
- GSS_C_NO_CREDENTIAL, /* Use our default cred. */
- &es->s.gss_state->gss_ctx,
- srv_name,
- GSS_C_NO_OID, /* default OID. */
- GSS_C_MUTUAL_FLAG | GSS_C_REPLAY_FLAG | GSS_C_SEQUENCE_FLAG | GSS_C_DELEG_FLAG,
- GSS_C_INDEFINITE, /* requested ticket lifetime. */
- NULL, /* no channel bindings */
- p_tok_in,
- NULL, /* ignore mech type */
- &tok_out,
- &ret_flags,
- NULL); /* ignore time_rec */
-
- status = map_nt_error_from_gss(ret, min);
- if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- ADS_STATUS adss = ADS_ERROR_GSS(ret, min);
- DEBUG(10,("make_cli_gss_blob: gss_init_sec_context failed with %s\n",
- ads_errstr(adss)));
+ status = auth_generic_client_prepare(es,
+ &auth_generic_state);
+ if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
- if ((ret_flags & SMB_GSS_REQUIRED_FLAGS) != SMB_GSS_REQUIRED_FLAGS) {
- status = NT_STATUS_ACCESS_DENIED;
- }
-
- blob_out = data_blob_talloc(ctx, tok_out.value, tok_out.length);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
- /* Wrap in an SPNEGO wrapper */
- *p_blob_out = spnego_gen_negTokenInit(ctx, krb_mechs, &blob_out, NULL);
+ cli_credentials_set_kerberos_state(auth_generic_state->credentials,
+ CRED_MUST_USE_KERBEROS);
- fail:
-
- data_blob_free(&blob_out);
- data_blob_free(&blob_in);
- SAFE_FREE(host_princ_s);
- gss_release_name(&min, &srv_name);
- if (tok_out.value) {
- gss_release_buffer(&min, &tok_out);
+ status = gensec_set_target_service(auth_generic_state->gensec_security, "cifs");
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
}
- return status;
-}
-/******************************************************************************
- Start a SPNEGO gssapi encryption context.
-******************************************************************************/
-
-NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
-{
- DATA_BLOB blob_recv = data_blob_null;
- DATA_BLOB blob_send = data_blob_null;
- DATA_BLOB param_out = data_blob_null;
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- fstring fqdn;
- const char *servicename;
- struct smb_trans_enc_state *es = make_cli_enc_state(SMB_TRANS_ENC_GSS);
-
- if (!es) {
- return NT_STATUS_NO_MEMORY;
+ status = gensec_set_target_hostname(auth_generic_state->gensec_security,
+ smbXcli_conn_remote_name(cli->conn));
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
}
- name_to_fqdn(fqdn, cli->desthost);
- strlower_m(fqdn);
-
- servicename = "cifs";
- status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, NT_STATUS_OK, blob_recv, &blob_send);
- if (!NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- servicename = "host";
- status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, NT_STATUS_OK, blob_recv, &blob_send);
- if (!NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- goto fail;
- }
+ if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_SPNEGO))) {
+ goto fail;
}
+ status = gensec_update(auth_generic_state->gensec_security, talloc_tos(),
+ blob_recv, &blob_send);
+
do {
data_blob_free(&blob_recv);
status = enc_blob_send_receive(cli, &blob_send, &blob_recv, ¶m_out);
es->enc_ctx_num = SVAL(param_out.data, 0);
}
data_blob_free(&blob_send);
- status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, status, blob_recv, &blob_send);
+ status = gensec_update(auth_generic_state->gensec_security, talloc_tos(),
+ blob_recv, &blob_send);
} while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED));
data_blob_free(&blob_recv);
if (NT_STATUS_IS_OK(status)) {
- /* Replace the old state, if any. */
- if (cli->trans_enc_state) {
- common_free_encryption_state(&cli->trans_enc_state);
+ if (!gensec_have_feature(auth_generic_state->gensec_security,
+ GENSEC_FEATURE_SIGN) ||
+ !gensec_have_feature(auth_generic_state->gensec_security,
+ GENSEC_FEATURE_SEAL)) {
+ status = NT_STATUS_ACCESS_DENIED;
}
- cli->trans_enc_state = es;
- cli->trans_enc_state->enc_on = True;
- es = NULL;
}
- fail:
-
- common_free_encryption_state(&es);
+ if (NT_STATUS_IS_OK(status)) {
+ es->enc_on = true;
+ /* Replace the old state, if any. */
+ /* We only need the gensec_security part from here.
+ * es is a malloc()ed pointer, so we cannot make
+ * gensec_security a talloc child */
+ es->gensec_security = talloc_move(es,
+ &auth_generic_state->gensec_security);
+ smb1cli_conn_set_encryption(cli->conn, es);
+ es = NULL;
+ }
+fail:
+ TALLOC_FREE(es);
return status;
}
-#else
-NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
-{
- return NT_STATUS_NOT_SUPPORTED;
-}
-#endif
/********************************************************************
Ensure a connection is encrypted.
const char *password,
const char *domain)
{
- uint16 major, minor;
- uint32 caplow, caphigh;
+ uint16_t major, minor;
+ uint32_t caplow, caphigh;
NTSTATUS status;
if (!SERVER_HAS_UNIX_CIFS(c)) {
password,
domain);
}
+
+/****************************************************************************
+ Do a UNIX extensions SMB_QUERY_POSIX_WHOAMI call.
+****************************************************************************/
+
+struct posix_whoami_state {
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint32_t max_rdata;
+ bool guest;
+ uint64_t uid;
+ uint64_t gid;
+ uint32_t num_gids;
+ uint64_t *gids;
+ uint32_t num_sids;
+ struct dom_sid *sids;
+};
+
+static void cli_posix_whoami_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_posix_whoami_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli)
+{
+ struct tevent_req *req = NULL, *subreq = NULL;
+ struct posix_whoami_state *state = NULL;
+
+ req = tevent_req_create(mem_ctx, &state, struct posix_whoami_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ /* Setup setup word. */
+ SSVAL(state->setup, 0, TRANSACT2_QFSINFO);
+ SSVAL(state->param, 0, SMB_QUERY_POSIX_WHOAMI);
+
+ state->max_rdata = 62*1024;
+
+ subreq = cli_trans_send(state, /* mem ctx. */
+ ev, /* event ctx. */
+ cli, /* cli_state. */
+ 0, /* additional_flags2 */
+ SMBtrans2, /* cmd. */
+ NULL, /* pipe name. */
+ -1, /* fid. */
+ 0, /* function. */
+ 0, /* flags. */
+ state->setup, /* setup. */
+ 1, /* num setup uint16_t words. */
+ 0, /* max returned setup. */
+ state->param, /* param. */
+ 2, /* num param. */
+ 0, /* max returned param. */
+ NULL, /* data. */
+ 0, /* num data. */
+ state->max_rdata); /* max returned data. */
+
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_posix_whoami_done, req);
+ return req;
+}
+
+static void cli_posix_whoami_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct posix_whoami_state *state = tevent_req_data(
+ req, struct posix_whoami_state);
+ uint8_t *rdata = NULL;
+ uint8_t *p = NULL;
+ uint32_t num_rdata = 0;
+ uint32_t i;
+ NTSTATUS status;
+
+ status = cli_trans_recv(subreq,
+ state,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ &rdata,
+ 40,
+ &num_rdata);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ /*
+ * Not strictly needed - cli_trans_recv()
+ * will ensure at least 40 bytes here. Added
+ * as more of a reminder to be careful when
+ * parsing network packets in C.
+ */
+
+ if (num_rdata < 40 || rdata + num_rdata < rdata) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ state->guest = (IVAL(rdata, 0) & SMB_WHOAMI_GUEST);
+ state->uid = BVAL(rdata, 8);
+ state->gid = BVAL(rdata, 16);
+ state->num_gids = IVAL(rdata, 24);
+ state->num_sids = IVAL(rdata, 28);
+
+ state->gids = talloc_array(state, uint64_t, state->num_gids);
+ if (tevent_req_nomem(state->gids, req)) {
+ return;
+ }
+ state->sids = talloc_array(state, struct dom_sid, state->num_sids);
+ if (tevent_req_nomem(state->sids, req)) {
+ return;
+ }
+
+ p = rdata + 40;
+
+ for (i = 0; i < state->num_gids; i++) {
+ if (p + 8 > rdata + num_rdata) {
+ tevent_req_nterror(req,
+ NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+ state->gids[i] = BVAL(p, 0);
+ p += 8;
+ }
+
+ num_rdata -= (p - rdata);
+
+ for (i = 0; i < state->num_sids; i++) {
+ size_t sid_size;
+ DATA_BLOB in = data_blob_const(p, num_rdata);
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_pull_struct_blob(&in,
+ state,
+ &state->sids[i],
+ (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ tevent_req_nterror(req,
+ NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ sid_size = ndr_size_dom_sid(&state->sids[i], 0);
+
+ if (sid_size > num_rdata) {
+ tevent_req_nterror(req,
+ NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ p += sid_size;
+ num_rdata -= sid_size;
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS cli_posix_whoami_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ uint64_t *puid,
+ uint64_t *pgid,
+ uint32_t *pnum_gids,
+ uint64_t **pgids,
+ uint32_t *pnum_sids,
+ struct dom_sid **psids,
+ bool *pguest)
+{
+ NTSTATUS status;
+ struct posix_whoami_state *state = tevent_req_data(
+ req, struct posix_whoami_state);
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+
+ if (puid) {
+ *puid = state->uid;
+ }
+ if (pgid) {
+ *pgid = state->gid;
+ }
+ if (pnum_gids) {
+ *pnum_gids = state->num_gids;
+ }
+ if (pgids) {
+ *pgids = talloc_move(mem_ctx, &state->gids);
+ }
+ if (pnum_sids) {
+ *pnum_sids = state->num_sids;
+ }
+ if (psids) {
+ *psids = talloc_move(mem_ctx, &state->sids);
+ }
+ if (pguest) {
+ *pguest = state->guest;
+ }
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_posix_whoami(struct cli_state *cli,
+ TALLOC_CTX *mem_ctx,
+ uint64_t *puid,
+ uint64_t *pgid,
+ uint32_t *num_gids,
+ uint64_t **gids,
+ uint32_t *num_sids,
+ struct dom_sid **sids,
+ bool *pguest)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev = NULL;
+ struct tevent_req *req = NULL;
+ NTSTATUS status = NT_STATUS_OK;
+
+ 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 = samba_tevent_context_init(frame);
+ if (ev == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ req = cli_posix_whoami_send(frame,
+ ev,
+ cli);
+ if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+
+ status = cli_posix_whoami_recv(req,
+ mem_ctx,
+ puid,
+ pgid,
+ num_gids,
+ gids,
+ num_sids,
+ sids,
+ pguest);
+
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / metze / samba / wip.git / blobdiff