| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 |  | 
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| 4 | CLDAP server structures | 
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| 5 |  | 
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| 6 | Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008 | 
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| 7 |  | 
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| 8 | This program is free software; you can redistribute it and/or modify | 
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| 9 | it under the terms of the GNU General Public License as published by | 
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| 10 | the Free Software Foundation; either version 3 of the License, or | 
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| 11 | (at your option) any later version. | 
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| 12 |  | 
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| 13 | This program is distributed in the hope that it will be useful, | 
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | GNU General Public License for more details. | 
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| 17 |  | 
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| 18 | You should have received a copy of the GNU General Public License | 
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| 19 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 20 | */ | 
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| 21 |  | 
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| 22 | #include "includes.h" | 
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| 23 | #include "../libcli/netlogon.h" | 
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| 24 |  | 
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| 25 | #undef DEBUG | 
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| 26 | #define DEBUG(x, y) | 
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| 27 | #undef DEBUGLVL | 
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| 28 | #define DEBUGLVL(x) false | 
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| 29 | #undef DEBUGLEVEL | 
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| 30 | #define DEBUGLEVEL 0 | 
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| 31 |  | 
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| 32 | NTSTATUS push_netlogon_samlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, | 
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| 33 | struct smb_iconv_convenience *iconv_convenience, | 
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| 34 | struct netlogon_samlogon_response *response) | 
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| 35 | { | 
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| 36 | enum ndr_err_code ndr_err; | 
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| 37 | if (response->ntver == NETLOGON_NT_VERSION_1) { | 
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| 38 | ndr_err = ndr_push_struct_blob(data, mem_ctx, | 
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| 39 | iconv_convenience, | 
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| 40 | &response->data.nt4, | 
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| 41 | (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_NT40); | 
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| 42 | } else if (response->ntver & NETLOGON_NT_VERSION_5EX) { | 
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| 43 | ndr_err = ndr_push_struct_blob(data, mem_ctx, | 
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| 44 | iconv_convenience, | 
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| 45 | &response->data.nt5_ex, | 
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| 46 | (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags); | 
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| 47 | } else if (response->ntver & NETLOGON_NT_VERSION_5) { | 
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| 48 | ndr_err = ndr_push_struct_blob(data, mem_ctx, | 
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| 49 | iconv_convenience, | 
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| 50 | &response->data.nt5, | 
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| 51 | (ndr_push_flags_fn_t)ndr_push_NETLOGON_SAM_LOGON_RESPONSE); | 
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| 52 | } else { | 
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| 53 | DEBUG(0, ("Asked to push unknown netlogon response type 0x%02x\n", response->ntver)); | 
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| 54 | return NT_STATUS_INVALID_PARAMETER; | 
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| 55 | } | 
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| 56 | if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { | 
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| 57 | DEBUG(2,("failed to push netlogon response of type 0x%02x\n", | 
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| 58 | response->ntver)); | 
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| 59 | return ndr_map_error2ntstatus(ndr_err); | 
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| 60 | } | 
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| 61 | return NT_STATUS_OK; | 
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| 62 | } | 
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| 63 |  | 
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| 64 | NTSTATUS pull_netlogon_samlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, | 
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| 65 | struct smb_iconv_convenience *iconv_convenience, | 
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| 66 | struct netlogon_samlogon_response *response) | 
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| 67 | { | 
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| 68 | uint32_t ntver; | 
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| 69 | enum ndr_err_code ndr_err; | 
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| 70 |  | 
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| 71 | if (data->length < 8) { | 
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| 72 | return NT_STATUS_BUFFER_TOO_SMALL; | 
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| 73 | } | 
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| 74 |  | 
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| 75 | /* lmnttoken */ | 
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| 76 | if (SVAL(data->data, data->length - 4) != 0xffff) { | 
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| 77 | return NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 78 | } | 
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| 79 | /* lm20token */ | 
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| 80 | if (SVAL(data->data, data->length - 2) != 0xffff) { | 
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| 81 | return NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 82 | } | 
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| 83 |  | 
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| 84 | ntver = IVAL(data->data, data->length - 8); | 
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| 85 |  | 
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| 86 | if (ntver == NETLOGON_NT_VERSION_1) { | 
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| 87 | ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, | 
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| 88 | iconv_convenience, | 
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| 89 | &response->data.nt4, | 
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| 90 | (ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_NT40); | 
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| 91 | response->ntver = NETLOGON_NT_VERSION_1; | 
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| 92 | if (NDR_ERR_CODE_IS_SUCCESS(ndr_err) && DEBUGLEVEL >= 10) { | 
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| 93 | NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE_NT40, | 
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| 94 | &response->data.nt4); | 
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| 95 | } | 
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| 96 |  | 
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| 97 | } else if (ntver & NETLOGON_NT_VERSION_5EX) { | 
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| 98 | struct ndr_pull *ndr; | 
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| 99 | ndr = ndr_pull_init_blob(data, mem_ctx, iconv_convenience); | 
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| 100 | if (!ndr) { | 
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| 101 | return NT_STATUS_NO_MEMORY; | 
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| 102 | } | 
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| 103 | ndr_err = ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags( | 
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| 104 | ndr, NDR_SCALARS|NDR_BUFFERS, &response->data.nt5_ex, | 
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| 105 | ntver); | 
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| 106 | if (ndr->offset < ndr->data_size) { | 
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| 107 | ndr_err = ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES, | 
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| 108 | "not all bytes consumed ofs[%u] size[%u]", | 
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| 109 | ndr->offset, ndr->data_size); | 
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| 110 | } | 
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| 111 | response->ntver = NETLOGON_NT_VERSION_5EX; | 
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| 112 | if (NDR_ERR_CODE_IS_SUCCESS(ndr_err) && DEBUGLEVEL >= 10) { | 
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| 113 | NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE_EX, | 
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| 114 | &response->data.nt5_ex); | 
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| 115 | } | 
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| 116 |  | 
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| 117 | } else if (ntver & NETLOGON_NT_VERSION_5) { | 
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| 118 | ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, | 
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| 119 | iconv_convenience, | 
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| 120 | &response->data.nt5, | 
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| 121 | (ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE); | 
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| 122 | response->ntver = NETLOGON_NT_VERSION_5; | 
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| 123 | if (NDR_ERR_CODE_IS_SUCCESS(ndr_err) && DEBUGLEVEL >= 10) { | 
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| 124 | NDR_PRINT_DEBUG(NETLOGON_SAM_LOGON_RESPONSE, | 
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| 125 | &response->data.nt5); | 
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| 126 | } | 
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| 127 | } else { | 
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| 128 | DEBUG(2,("failed to parse netlogon response of type 0x%02x - unknown response type\n", | 
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| 129 | ntver)); | 
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| 130 | dump_data(10, data->data, data->length); | 
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| 131 | return NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 132 | } | 
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| 133 |  | 
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| 134 | if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { | 
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| 135 | DEBUG(2,("failed to parse netlogon response of type 0x%02x\n", | 
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| 136 | ntver)); | 
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| 137 | dump_data(10, data->data, data->length); | 
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| 138 | return ndr_map_error2ntstatus(ndr_err); | 
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| 139 | } | 
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| 140 |  | 
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| 141 | return NT_STATUS_OK; | 
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| 142 | } | 
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| 143 |  | 
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| 144 | void map_netlogon_samlogon_response(struct netlogon_samlogon_response *response) | 
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| 145 | { | 
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| 146 | struct NETLOGON_SAM_LOGON_RESPONSE_EX response_5_ex; | 
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| 147 | switch (response->ntver) { | 
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| 148 | case NETLOGON_NT_VERSION_5EX: | 
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| 149 | break; | 
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| 150 | case NETLOGON_NT_VERSION_5: | 
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| 151 | ZERO_STRUCT(response_5_ex); | 
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| 152 | response_5_ex.command = response->data.nt5.command; | 
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| 153 | response_5_ex.pdc_name = response->data.nt5.pdc_name; | 
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| 154 | response_5_ex.user_name = response->data.nt5.user_name; | 
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| 155 | response_5_ex.domain = response->data.nt5.domain_name; | 
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| 156 | response_5_ex.domain_uuid = response->data.nt5.domain_uuid; | 
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| 157 | response_5_ex.forest = response->data.nt5.forest; | 
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| 158 | response_5_ex.dns_domain = response->data.nt5.dns_domain; | 
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| 159 | response_5_ex.pdc_dns_name = response->data.nt5.pdc_dns_name; | 
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| 160 | response_5_ex.sockaddr.pdc_ip = response->data.nt5.pdc_ip; | 
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| 161 | response_5_ex.server_type = response->data.nt5.server_type; | 
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| 162 | response_5_ex.nt_version = response->data.nt5.nt_version; | 
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| 163 | response_5_ex.lmnt_token = response->data.nt5.lmnt_token; | 
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| 164 | response_5_ex.lm20_token = response->data.nt5.lm20_token; | 
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| 165 | response->ntver = NETLOGON_NT_VERSION_5EX; | 
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| 166 | response->data.nt5_ex = response_5_ex; | 
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| 167 | break; | 
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| 168 |  | 
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| 169 | case NETLOGON_NT_VERSION_1: | 
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| 170 | ZERO_STRUCT(response_5_ex); | 
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| 171 | response_5_ex.command = response->data.nt4.command; | 
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| 172 | response_5_ex.pdc_name = response->data.nt4.server; | 
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| 173 | response_5_ex.user_name = response->data.nt4.user_name; | 
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| 174 | response_5_ex.domain = response->data.nt4.domain; | 
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| 175 | response_5_ex.nt_version = response->data.nt4.nt_version; | 
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| 176 | response_5_ex.lmnt_token = response->data.nt4.lmnt_token; | 
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| 177 | response_5_ex.lm20_token = response->data.nt4.lm20_token; | 
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| 178 | response->ntver = NETLOGON_NT_VERSION_5EX; | 
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| 179 | response->data.nt5_ex = response_5_ex; | 
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| 180 | break; | 
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| 181 | } | 
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| 182 | return; | 
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| 183 | } | 
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| 184 |  | 
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| 185 | NTSTATUS push_nbt_netlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, | 
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| 186 | struct smb_iconv_convenience *iconv_convenience, | 
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| 187 | struct nbt_netlogon_response *response) | 
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| 188 | { | 
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| 189 | NTSTATUS status = NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 190 | enum ndr_err_code ndr_err; | 
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| 191 | switch (response->response_type) { | 
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| 192 | case NETLOGON_GET_PDC: | 
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| 193 | ndr_err = ndr_push_struct_blob(data, mem_ctx, | 
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| 194 | iconv_convenience, | 
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| 195 | &response->data.get_pdc, | 
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| 196 | (ndr_push_flags_fn_t)ndr_push_nbt_netlogon_response_from_pdc); | 
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| 197 | if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { | 
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| 198 | status = ndr_map_error2ntstatus(ndr_err); | 
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| 199 | DEBUG(0,("Failed to parse netlogon packet of length %d: %s\n", | 
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| 200 | (int)data->length, nt_errstr(status))); | 
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| 201 | if (DEBUGLVL(10)) { | 
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| 202 | file_save("netlogon.dat", data->data, data->length); | 
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| 203 | } | 
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| 204 | return status; | 
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| 205 | } | 
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| 206 | status = NT_STATUS_OK; | 
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| 207 | break; | 
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| 208 | case NETLOGON_SAMLOGON: | 
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| 209 | status = push_netlogon_samlogon_response( | 
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| 210 | data, mem_ctx, iconv_convenience, | 
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| 211 | &response->data.samlogon); | 
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| 212 | break; | 
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| 213 | } | 
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| 214 | return status; | 
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| 215 | } | 
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| 216 |  | 
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| 217 |  | 
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| 218 | NTSTATUS pull_nbt_netlogon_response(DATA_BLOB *data, TALLOC_CTX *mem_ctx, | 
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| 219 | struct smb_iconv_convenience *iconv_convenience, | 
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| 220 | struct nbt_netlogon_response *response) | 
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| 221 | { | 
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| 222 | NTSTATUS status = NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 223 | enum netlogon_command command; | 
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| 224 | enum ndr_err_code ndr_err; | 
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| 225 | if (data->length < 4) { | 
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| 226 | return NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 227 | } | 
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| 228 |  | 
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| 229 | command = SVAL(data->data, 0); | 
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| 230 |  | 
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| 231 | switch (command) { | 
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| 232 | case NETLOGON_RESPONSE_FROM_PDC: | 
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| 233 | ndr_err = ndr_pull_struct_blob_all(data, mem_ctx, | 
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| 234 | iconv_convenience, | 
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| 235 | &response->data.get_pdc, | 
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| 236 | (ndr_pull_flags_fn_t)ndr_pull_nbt_netlogon_response_from_pdc); | 
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| 237 | if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { | 
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| 238 | status = ndr_map_error2ntstatus(ndr_err); | 
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| 239 | DEBUG(0,("Failed to parse netlogon packet of length %d: %s\n", | 
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| 240 | (int)data->length, nt_errstr(status))); | 
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| 241 | if (DEBUGLVL(10)) { | 
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| 242 | file_save("netlogon.dat", data->data, data->length); | 
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| 243 | } | 
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| 244 | return status; | 
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| 245 | } | 
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| 246 | status = NT_STATUS_OK; | 
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| 247 | response->response_type = NETLOGON_GET_PDC; | 
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| 248 | break; | 
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| 249 | case LOGON_SAM_LOGON_RESPONSE: | 
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| 250 | case LOGON_SAM_LOGON_PAUSE_RESPONSE: | 
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| 251 | case LOGON_SAM_LOGON_USER_UNKNOWN: | 
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| 252 | case LOGON_SAM_LOGON_RESPONSE_EX: | 
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| 253 | case LOGON_SAM_LOGON_PAUSE_RESPONSE_EX: | 
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| 254 | case LOGON_SAM_LOGON_USER_UNKNOWN_EX: | 
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| 255 | status = pull_netlogon_samlogon_response( | 
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| 256 | data, mem_ctx, iconv_convenience, | 
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| 257 | &response->data.samlogon); | 
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| 258 | response->response_type = NETLOGON_SAMLOGON; | 
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| 259 | break; | 
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| 260 |  | 
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| 261 | /* These levels are queries, not responses */ | 
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| 262 | case LOGON_PRIMARY_QUERY: | 
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| 263 | case NETLOGON_ANNOUNCE_UAS: | 
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| 264 | case LOGON_SAM_LOGON_REQUEST: | 
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| 265 | status = NT_STATUS_INVALID_NETWORK_RESPONSE; | 
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| 266 | } | 
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| 267 |  | 
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| 268 | return status; | 
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| 269 |  | 
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| 270 | } | 
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