diff options
Diffstat (limited to 'librpc/ndr/ndr_ntlmssp.c')
| -rw-r--r-- | librpc/ndr/ndr_ntlmssp.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_ntlmssp.c b/librpc/ndr/ndr_ntlmssp.c new file mode 100644 index 0000000..723ae9c --- /dev/null +++ b/librpc/ndr/ndr_ntlmssp.c @@ -0,0 +1,195 @@ +/* + Unix SMB/CIFS implementation. + + routines for marshalling/unmarshalling special ntlmssp structures + + Copyright (C) Guenther Deschner 2009 + + 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 "../librpc/gen_ndr/ndr_ntlmssp.h" + +_PUBLIC_ size_t ndr_ntlmssp_string_length(uint32_t negotiate_flags, const char *s) +{ + if (!s) { + return 0; + } + + if (negotiate_flags & NTLMSSP_NEGOTIATE_UNICODE) { + return strlen(s) * 2; + } + + return strlen(s); +} + +_PUBLIC_ libndr_flags ndr_ntlmssp_negotiated_string_flags(uint32_t negotiate_flags) +{ + libndr_flags flags = LIBNDR_FLAG_STR_NOTERM | + LIBNDR_FLAG_STR_CHARLEN | + LIBNDR_FLAG_REMAINING; + + if (!(negotiate_flags & NTLMSSP_NEGOTIATE_UNICODE)) { + flags |= LIBNDR_FLAG_STR_ASCII; + } + + return flags; +} + +_PUBLIC_ enum ndr_err_code ndr_push_AV_PAIR_LIST(struct ndr_push *ndr, ndr_flags_type ndr_flags, const struct AV_PAIR_LIST *r) +{ + uint32_t cntr_pair_0; + if (ndr_flags & NDR_SCALARS) { + NDR_CHECK(ndr_push_align(ndr, 4)); + for (cntr_pair_0 = 0; cntr_pair_0 < r->count; cntr_pair_0++) { + NDR_CHECK(ndr_push_AV_PAIR(ndr, NDR_SCALARS, &r->pair[cntr_pair_0])); + } + } + if (ndr_flags & NDR_BUFFERS) { + for (cntr_pair_0 = 0; cntr_pair_0 < r->count; cntr_pair_0++) { + NDR_CHECK(ndr_push_AV_PAIR(ndr, NDR_BUFFERS, &r->pair[cntr_pair_0])); + } + } + return NDR_ERR_SUCCESS; +} + +_PUBLIC_ enum ndr_err_code ndr_pull_AV_PAIR_LIST(struct ndr_pull *ndr, ndr_flags_type ndr_flags, struct AV_PAIR_LIST *r) +{ + uint32_t cntr_pair_0; + TALLOC_CTX *_mem_save_pair_0; + if (ndr_flags & NDR_SCALARS) { + uint32_t offset = 0; + NDR_CHECK(ndr_pull_align(ndr, 4)); + r->count = 0; + if (ndr->data_size > 0) { + NDR_PULL_NEED_BYTES(ndr, 4); + } + while (offset + 4 <= ndr->data_size) { + uint16_t length; + uint16_t type; + type = SVAL(ndr->data + offset, 0); + if (type == MsvAvEOL) { + r->count++; + break; + } + length = SVAL(ndr->data + offset, 2); + offset += length + 4; + r->count++; + } + NDR_PULL_ALLOC_N(ndr, r->pair, r->count); + _mem_save_pair_0 = NDR_PULL_GET_MEM_CTX(ndr); + NDR_PULL_SET_MEM_CTX(ndr, r->pair, 0); + for (cntr_pair_0 = 0; cntr_pair_0 < r->count; cntr_pair_0++) { + NDR_CHECK(ndr_pull_AV_PAIR(ndr, NDR_SCALARS, &r->pair[cntr_pair_0])); + } + NDR_PULL_SET_MEM_CTX(ndr, _mem_save_pair_0, 0); + } + if (ndr_flags & NDR_BUFFERS) { + _mem_save_pair_0 = NDR_PULL_GET_MEM_CTX(ndr); + NDR_PULL_SET_MEM_CTX(ndr, r->pair, 0); + for (cntr_pair_0 = 0; cntr_pair_0 < r->count; cntr_pair_0++) { + NDR_CHECK(ndr_pull_AV_PAIR(ndr, NDR_BUFFERS, &r->pair[cntr_pair_0])); + } + NDR_PULL_SET_MEM_CTX(ndr, _mem_save_pair_0, 0); + } + return NDR_ERR_SUCCESS; +} + +_PUBLIC_ void ndr_print_ntlmssp_nt_response(TALLOC_CTX *mem_ctx, + const DATA_BLOB *nt_response, + bool ntlmv2) +{ + enum ndr_err_code ndr_err; + + if (ntlmv2) { + struct NTLMv2_RESPONSE nt; + if (nt_response->length > 24) { + ndr_err = ndr_pull_struct_blob(nt_response, mem_ctx, &nt, + (ndr_pull_flags_fn_t)ndr_pull_NTLMv2_RESPONSE); + if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + NDR_PRINT_DEBUG(NTLMv2_RESPONSE, &nt); + } + } + } else { + struct NTLM_RESPONSE nt; + if (nt_response->length == 24) { + ndr_err = ndr_pull_struct_blob(nt_response, mem_ctx, &nt, + (ndr_pull_flags_fn_t)ndr_pull_NTLM_RESPONSE); + if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + NDR_PRINT_DEBUG(NTLM_RESPONSE, &nt); + } + } + } +} + +_PUBLIC_ void ndr_print_ntlmssp_lm_response(TALLOC_CTX *mem_ctx, + const DATA_BLOB *lm_response, + bool ntlmv2) +{ + enum ndr_err_code ndr_err; + + if (ntlmv2) { + struct LMv2_RESPONSE lm; + if (lm_response->length == 24) { + ndr_err = ndr_pull_struct_blob(lm_response, mem_ctx, &lm, + (ndr_pull_flags_fn_t)ndr_pull_LMv2_RESPONSE); + if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + NDR_PRINT_DEBUG(LMv2_RESPONSE, &lm); + } + } + } else { + struct LM_RESPONSE lm; + if (lm_response->length == 24) { + ndr_err = ndr_pull_struct_blob(lm_response, mem_ctx, &lm, + (ndr_pull_flags_fn_t)ndr_pull_LM_RESPONSE); + if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + NDR_PRINT_DEBUG(LM_RESPONSE, &lm); + } + } + } +} + +_PUBLIC_ void ndr_print_ntlmssp_Version(struct ndr_print *ndr, const char *name, const union ntlmssp_Version *r) +{ + int level; + level = ndr_print_steal_switch_value(ndr, r); + switch (level) { + case NTLMSSP_NEGOTIATE_VERSION: + ndr_print_ntlmssp_VERSION(ndr, name, &r->version); + break; + + default: + break; + + } +} + +_PUBLIC_ struct AV_PAIR *ndr_ntlmssp_find_av(const struct AV_PAIR_LIST *av_list, + enum ntlmssp_AvId AvId) +{ + struct AV_PAIR *res = NULL; + uint32_t i = 0; + + for (i = 0; i < av_list->count; i++) { + if (av_list->pair[i].AvId != AvId) { + continue; + } + + res = discard_const_p(struct AV_PAIR, &av_list->pair[i]); + break; + } + + return res; +} |