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 "libsmb/libsmb.h"
#include "../libcli/auth/spnego.h"
-#include "../libcli/auth/ntlmssp.h"
+#include "../auth/ntlmssp/ntlmssp.h"
#include "../lib/util/tevent_ntstatus.h"
#include "async_smb.h"
-#include "smb_crypt.h"
+#include "../libcli/smb/smb_seal.h"
#include "trans2.h"
-#include "ntlmssp_wrap.h"
+#include "auth_generic.h"
+#include "auth/gensec/gensec.h"
+#include "../libcli/smb/smbXcli_base.h"
+#include "auth/credentials/credentials.h"
/****************************************************************************
Get UNIX extensions version info.
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
*/
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());
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());
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 = auth_ntlmssp_client_start(NULL,
- lp_netbios_name(),
- lp_workgroup(),
- lp_client_ntlmv2_auth(),
- &es->s.auth_ntlmssp_state);
+ status = auth_generic_client_prepare(es,
+ &auth_generic_state);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
- auth_ntlmssp_want_feature(es->s.auth_ntlmssp_state, NTLMSSP_FEATURE_SESSION_KEY);
- auth_ntlmssp_want_feature(es->s.auth_ntlmssp_state, NTLMSSP_FEATURE_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 = auth_ntlmssp_set_username(es->s.auth_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 = auth_generic_set_domain(auth_generic_state, domain))) {
goto fail;
}
- if (!NT_STATUS_IS_OK(status = auth_ntlmssp_set_domain(es->s.auth_ntlmssp_state, domain))) {
+ if (!NT_STATUS_IS_OK(status = auth_generic_set_password(auth_generic_state, pass))) {
goto fail;
}
- if (!NT_STATUS_IS_OK(status = auth_ntlmssp_set_password(es->s.auth_ntlmssp_state, pass))) {
+
+ if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_NTLMSSP))) {
goto fail;
}
do {
- status = auth_ntlmssp_update(es->s.auth_ntlmssp_state, es->s.auth_ntlmssp_state,
- blob_in, &blob_out);
+ status = gensec_update(auth_generic_state->gensec_security, auth_generic_state,
+ NULL, 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, discard_const_p(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);
-
- /* Wrap in an SPNEGO wrapper */
- *p_blob_out = spnego_gen_negTokenInit(ctx, krb_mechs, &blob_out, NULL);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
- fail:
+ cli_credentials_set_kerberos_state(auth_generic_state->credentials,
+ CRED_MUST_USE_KERBEROS);
- 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_state_remote_name(cli));
- 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(),
+ NULL, 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(),
+ NULL, 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.
git.samba.org / kai / samba.git / blobdiff