diff options
Diffstat (limited to 'source3/libsmb/clifsinfo.c')
| -rw-r--r-- | source3/libsmb/clifsinfo.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/source3/libsmb/clifsinfo.c b/source3/libsmb/clifsinfo.c index 48865c98ca..d2f759b192 100644 --- a/source3/libsmb/clifsinfo.c +++ b/source3/libsmb/clifsinfo.c @@ -2,7 +2,6 @@ Unix SMB/CIFS implementation. FS info functions Copyright (C) Stefan (metze) Metzmacher 2003 - Copyright (C) Jeremy Allison 2007. 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 @@ -302,326 +301,3 @@ cleanup: return ret; } - -/****************************************************************************** - Send/receive the request encryption blob. -******************************************************************************/ - -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; - - 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; - } - } - - *out = data_blob(rdata, rdata_count); - *param_out = data_blob(rparam, rparam_count); - - out: - - SAFE_FREE(rparam); - SAFE_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 (smb_enc_type == SMB_TRANS_ENC_GSS) { -#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5) - 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); -#else - DEBUG(0,("make_cli_enc_state: no krb5 compiled.\n")); - SAFE_FREE(es); - return NULL; -#endif - } - return es; -} - -/****************************************************************************** - Start a raw ntlmssp encryption. -******************************************************************************/ - -NTSTATUS cli_raw_ntlm_smb_encryption_start(struct cli_state *cli, - const char *user, - const char *pass, - const char *domain) -{ - DATA_BLOB blob_in = data_blob_null; - 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); - - if (!es) { - return NT_STATUS_NO_MEMORY; - } - status = ntlmssp_client_start(&es->s.ntlmssp_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); - - if (!NT_STATUS_IS_OK(status = ntlmssp_set_username(es->s.ntlmssp_state, user))) { - goto fail; - } - if (!NT_STATUS_IS_OK(status = ntlmssp_set_domain(es->s.ntlmssp_state, domain))) { - goto fail; - } - if (!NT_STATUS_IS_OK(status = ntlmssp_set_password(es->s.ntlmssp_state, pass))) { - goto fail; - } - - do { - status = ntlmssp_update(es->s.ntlmssp_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)) { - status = enc_blob_send_receive(cli, &blob_out, &blob_in, ¶m_out); - } - if (param_out.length == 2) { - es->enc_ctx_num = SVAL(param_out.data, 0); - } - data_blob_free(&blob_out); - } while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)); - - data_blob_free(&blob_in); - - 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); - } - cli->trans_enc_state = es; - cli->trans_enc_state->enc_on = True; - es = NULL; - } - - fail: - - common_free_encryption_state(&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. -******************************************************************************/ - -static NTSTATUS make_cli_gss_blob(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) -{ - 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)); - - /* Get a ticket for the service@host */ - asprintf(&host_princ_s, "%s@%s", service, host); - if (host_princ_s == NULL) { - 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(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_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))); - goto fail; - } - - if ((ret_flags & SMB_GSS_REQUIRED_FLAGS) != SMB_GSS_REQUIRED_FLAGS) { - status = NT_STATUS_ACCESS_DENIED; - } - - blob_out = data_blob(tok_out.value, tok_out.length); - - /* Wrap in an SPNEGO wrapper */ - *p_blob_out = gen_negTokenTarg(krb_mechs, blob_out); - - 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); - } - 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; - } - - name_to_fqdn(fqdn, cli->desthost); - strlower_m(fqdn); - - servicename = "cifs"; - status = make_cli_gss_blob(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(es, servicename, fqdn, NT_STATUS_OK, blob_recv, &blob_send); - if (!NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) { - goto fail; - } - } - - do { - data_blob_free(&blob_recv); - status = enc_blob_send_receive(cli, &blob_send, &blob_recv, ¶m_out); - if (param_out.length == 2) { - es->enc_ctx_num = SVAL(param_out.data, 0); - } - data_blob_free(&blob_send); - status = make_cli_gss_blob(es, servicename, fqdn, status, 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); - } - cli->trans_enc_state = es; - cli->trans_enc_state->enc_on = True; - es = NULL; - } - - fail: - - common_free_encryption_state(&es); - return status; -} -#else -NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli) -{ - return NT_STATUS_NOT_SUPPORTED; -} -#endif |