diff options
Diffstat (limited to 'source4/libcli/netlogon.c')
| -rw-r--r-- | source4/libcli/netlogon.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/source4/libcli/netlogon.c b/source4/libcli/netlogon.c new file mode 100644 index 0000000000..052d7cbc1e --- /dev/null +++ b/source4/libcli/netlogon.c @@ -0,0 +1,239 @@ +/* + Unix SMB/CIFS implementation. + + CLDAP server structures + + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008 + + 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 + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "libcli/netlogon.h" + +NTSTATUS push_netlogon_samlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, + struct smb_iconv_convenience *iconv_convenience, + struct netlogon_samlogon_response *response) +{ + enum ndr_err_code ndr_err; + if (response->ntver == NETLOGON_NT_VERSION_1) { + ndr_err = ndr_push_struct_blob(data, mem_ctx, + iconv_convenience, + &response->nt4, + (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_NT40); + } else if (response->ntver & NETLOGON_NT_VERSION_5EX) { + ndr_err = ndr_push_struct_blob(data, mem_ctx, + iconv_convenience, + &response->nt5_ex, + (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags); + } else if (response->ntver & NETLOGON_NT_VERSION_5) { + ndr_err = ndr_push_struct_blob(data, mem_ctx, + iconv_convenience, + &response->nt5, + (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE); + } else { + DEBUG(0, ("Asked to push unknown netlogon response type 0x%02x\n", response->ntver)); + return NT_STATUS_INVALID_PARAMETER; + } + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + DEBUG(2,("failed to push netlogon response of type 0x%02x\n", + response->ntver)); + return ndr_map_error2ntstatus(ndr_err); + } + return NT_STATUS_OK; +} + +NTSTATUS pull_netlogon_samlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, + struct smb_iconv_convenience *iconv_convenience, + struct netlogon_samlogon_response *response) +{ + uint32_t ntver; + enum ndr_err_code ndr_err; + + if (data->length < 8) { + return NT_STATUS_BUFFER_TOO_SMALL; + } + + /* lmnttoken */ + if (SVAL(data->data, data->length - 4) != 0xffff) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + /* lm20token */ + if (SVAL(data->data, data->length - 2) != 0xffff) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + + ntver = IVAL(data->data, data->length - 8); + + if (ntver == NETLOGON_NT_VERSION_1) { + ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, + iconv_convenience, + &response->nt4, + (ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_NT40); + response->ntver = NETLOGON_NT_VERSION_1; + } else if (ntver & NETLOGON_NT_VERSION_5EX) { + struct ndr_pull *ndr; + ndr = ndr_pull_init_blob(data, mem_ctx, iconv_convenience); + if (!ndr) { + return NT_STATUS_NO_MEMORY; + } + ndr_err = ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags(ndr, NDR_SCALARS|NDR_BUFFERS, &response->nt5_ex, ntver); + if (ndr->offset < ndr->data_size) { + ndr_err = ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES, + "not all bytes consumed ofs[%u] size[%u]", + ndr->offset, ndr->data_size); + } + response->ntver = NETLOGON_NT_VERSION_5EX; + + } else if (ntver & NETLOGON_NT_VERSION_5) { + ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, + iconv_convenience, + &response->nt5, + (ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE); + response->ntver = NETLOGON_NT_VERSION_5; + } else { + DEBUG(2,("failed to parse netlogon response of type 0x%02x - unknown response type\n", + ntver)); + dump_data(10, data->data, data->length); + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + DEBUG(2,("failed to parse netlogon response of type 0x%02x\n", + ntver)); + dump_data(10, data->data, data->length); + return ndr_map_error2ntstatus(ndr_err); + } + return NT_STATUS_OK; +} + +void map_netlogon_samlogon_response(struct netlogon_samlogon_response *response) +{ + struct NETLOGON_SAM_LOGON_RESPONSE_EX response_5_ex; + switch (response->ntver) { + case NETLOGON_NT_VERSION_5EX: + break; + case NETLOGON_NT_VERSION_5: + ZERO_STRUCT(response_5_ex); + response_5_ex.command = response->nt5.command; + response_5_ex.pdc_name = response->nt5.pdc_name; + response_5_ex.user_name = response->nt5.user_name; + response_5_ex.domain = response->nt5.domain_name; + response_5_ex.domain_uuid = response->nt5.domain_uuid; + response_5_ex.forest = response->nt5.forest; + response_5_ex.dns_domain = response->nt5.dns_domain; + response_5_ex.pdc_dns_name = response->nt5.pdc_dns_name; + response_5_ex.sockaddr.pdc_ip = response->nt5.pdc_ip; + response_5_ex.server_type = response->nt5.server_type; + response_5_ex.nt_version = response->nt5.nt_version; + response_5_ex.lmnt_token = response->nt5.lmnt_token; + response_5_ex.lm20_token = response->nt5.lm20_token; + response->ntver = NETLOGON_NT_VERSION_5EX; + response->nt5_ex = response_5_ex; + break; + + case NETLOGON_NT_VERSION_1: + ZERO_STRUCT(response_5_ex); + response_5_ex.command = response->nt4.command; + response_5_ex.pdc_name = response->nt4.server; + response_5_ex.user_name = response->nt4.user_name; + response_5_ex.domain = response->nt4.domain; + response_5_ex.nt_version = response->nt4.nt_version; + response_5_ex.lmnt_token = response->nt4.lmnt_token; + response_5_ex.lm20_token = response->nt4.lm20_token; + response->ntver = NETLOGON_NT_VERSION_5EX; + response->nt5_ex = response_5_ex; + break; + } + return; +} + +NTSTATUS push_nbt_netlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, + struct smb_iconv_convenience *iconv_convenience, + struct nbt_netlogon_response *response) +{ + NTSTATUS status = NT_STATUS_INVALID_NETWORK_RESPONSE; + enum ndr_err_code ndr_err; + switch (response->response_type) { + case NETLOGON_GET_PDC: + ndr_err = ndr_push_struct_blob(data, mem_ctx, iconv_convenience, &response->get_pdc, + (ndr_push_flags_fn_t)ndr_push_nbt_netlogon_response_from_pdc); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + status = ndr_map_error2ntstatus(ndr_err); + DEBUG(0,("Failed to parse netlogon packet of length %d: %s\n", + (int)data->length, nt_errstr(status))); + if (DEBUGLVL(10)) { + file_save("netlogon.dat", data->data, data->length); + } + return status; + } + status = NT_STATUS_OK; + break; + case NETLOGON_SAMLOGON: + status = push_netlogon_samlogon_response(data, mem_ctx, iconv_convenience, &response->samlogon); + break; + } + return status; +} + + +NTSTATUS pull_nbt_netlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, + struct smb_iconv_convenience *iconv_convenience, + struct nbt_netlogon_response *response) +{ + NTSTATUS status = NT_STATUS_INVALID_NETWORK_RESPONSE; + enum netlogon_command command; + enum ndr_err_code ndr_err; + if (data->length < 4) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + + command = SVAL(data->data, 0); + + switch (command) { + case NETLOGON_RESPONSE_FROM_PDC: + ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, iconv_convenience, &response->get_pdc, + (ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_response_from_pdc); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + status = ndr_map_error2ntstatus(ndr_err); + DEBUG(0,("Failed to parse netlogon packet of length %d: %s\n", + (int)data->length, nt_errstr(status))); + if (DEBUGLVL(10)) { + file_save("netlogon.dat", data->data, data->length); + } + return status; + } + status = NT_STATUS_OK; + response->response_type = NETLOGON_GET_PDC; + break; + case LOGON_SAM_LOGON_RESPONSE: + case LOGON_SAM_LOGON_PAUSE_RESPONSE: + case LOGON_SAM_LOGON_USER_UNKNOWN: + case LOGON_SAM_LOGON_RESPONSE_EX: + case LOGON_SAM_LOGON_PAUSE_RESPONSE_EX: + case LOGON_SAM_LOGON_USER_UNKNOWN_EX: + status = pull_netlogon_samlogon_response(data, mem_ctx, iconv_convenience, &response->samlogon); + response->response_type = NETLOGON_SAMLOGON; + break; + + /* These levels are queries, not responses */ + case LOGON_PRIMARY_QUERY: + case NETLOGON_ANNOUNCE_UAS: + case LOGON_SAM_LOGON_REQUEST: + status = NT_STATUS_INVALID_NETWORK_RESPONSE; + } + + return status; + +} |