1
0
mirror of https://github.com/samba-team/samba.git synced 2025-08-03 04:22:09 +03:00

s4-trusts: fix trustDomainPasswords drsblobs IDL and server side support.

Also remove bogus trustCurrentPasswords struct which we just had because our IDL
was incorrect.

Guenther
This commit is contained in:
Günther Deschner
2010-07-16 04:06:48 +02:00
parent 2eff142cce
commit e2f15d2a25
5 changed files with 71 additions and 196 deletions

View File

@ -468,39 +468,37 @@ interface drsblobs {
typedef [public] struct {
NTTIME LastUpdateTime;
lsa_TrustAuthType AuthType;
[switch_is(AuthType)] AuthInfo AuthInfo;
[flag(NDR_ALIGN4)] DATA_BLOB _pad;
} AuthenticationInformation;
typedef [nopull,nopush,noprint] struct {
/* sizeis here is bogus, but this is here just for the structure */
[size_is(1)] AuthenticationInformation array[];
/* count is not on the wire */
typedef [public,nopull,nopush,gensize] struct {
uint32 count;
AuthenticationInformation array[count];
} AuthenticationInformationArray;
/* This is nopull,nopush because we pass count down to the
* manual parser of AuthenticationInformationArray */
typedef [public,nopull,nopush,noprint,gensize] struct {
/* we cannot use [relative] pointers here because Windows expects the
* previous_offset to match the total size of the struct in case
* the previous array is empty, see MS-LSAD 2.2.7.16 - gd */
typedef [public,gensize,nopush] struct {
uint32 count;
[relative] AuthenticationInformationArray *current;
[relative] AuthenticationInformationArray *previous;
[value((count > 0) ? 12 : 0)] uint32 current_offset;
[value((count > 0) ? 12 + ndr_size_AuthenticationInformationArray(&current, ndr->flags) : 0)] uint32 previous_offset;
[subcontext(0),subcontext_size((previous_offset)-(current_offset))] AuthenticationInformationArray current;
[subcontext(0)] [flag(NDR_REMAINING)] AuthenticationInformationArray previous;
} trustAuthInOutBlob;
[nopython] void decode_trustAuthInOut(
[in] trustAuthInOutBlob blob
);
typedef [public,gensize] struct {
uint32 count;
[relative] AuthenticationInformation *current[count];
} trustCurrentPasswords;
typedef [public,nopull] struct {
uint8 confounder[512];
[subcontext(0),subcontext_size(outgoing_size)] trustCurrentPasswords outgoing;
[subcontext(0),subcontext_size(incoming_size)] trustCurrentPasswords incoming;
[value(ndr_size_trustCurrentPasswords(&outgoing, ndr->flags))] uint32 outgoing_size;
[value(ndr_size_trustCurrentPasswords(&incoming, ndr->flags))] uint32 incoming_size;
[subcontext(0),subcontext_size(outgoing_size)] trustAuthInOutBlob outgoing;
[subcontext(0),subcontext_size(incoming_size)] trustAuthInOutBlob incoming;
[value(ndr_size_trustAuthInOutBlob(&outgoing, ndr->flags))] uint32 outgoing_size;
[value(ndr_size_trustAuthInOutBlob(&incoming, ndr->flags))] uint32 incoming_size;
} trustDomainPasswords;
[nopython] void decode_trustDomainPasswords(

View File

@ -4,6 +4,7 @@
Manually parsed structures found in the DRS protocol
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
Copyright (C) Guenther Deschner <gd@samba.org> 2010
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
@ -23,161 +24,71 @@
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "../lib/util/asn1.h"
/* parser auto-generated by pidl, then hand-modified by abartlet */
/* Modified to have 'count' specified */
static enum ndr_err_code ndr_push_AuthenticationInformationArray_with_count(struct ndr_push *ndr, int ndr_flags, int count,
const struct AuthenticationInformationArray *r)
_PUBLIC_ enum ndr_err_code ndr_push_AuthenticationInformationArray(struct ndr_push *ndr, int ndr_flags, const struct AuthenticationInformationArray *r)
{
uint32_t cntr_array_0;
if (ndr_flags & NDR_SCALARS) {
NDR_CHECK(ndr_push_align(ndr, 4));
for (cntr_array_0 = 0; cntr_array_0 < count; cntr_array_0++) {
for (cntr_array_0 = 0; cntr_array_0 < r->count; cntr_array_0++) {
NDR_CHECK(ndr_push_AuthenticationInformation(ndr, NDR_SCALARS, &r->array[cntr_array_0]));
}
NDR_CHECK(ndr_push_trailer_align(ndr, 4));
}
if (ndr_flags & NDR_BUFFERS) {
for (cntr_array_0 = 0; cntr_array_0 < count; cntr_array_0++) {
NDR_CHECK(ndr_push_AuthenticationInformation(ndr, NDR_BUFFERS, &r->array[cntr_array_0]));
}
}
return NDR_ERR_SUCCESS;
}
/* Modified to have 'count' specified, and to allocate the array */
static enum ndr_err_code ndr_pull_AuthenticationInformationArray_with_count(struct ndr_pull *ndr, int ndr_flags, int count, struct AuthenticationInformationArray *r)
_PUBLIC_ enum ndr_err_code ndr_pull_AuthenticationInformationArray(struct ndr_pull *ndr, int ndr_flags, struct AuthenticationInformationArray *r)
{
uint32_t cntr_array_0;
TALLOC_CTX *_mem_save_array_0;
if (ndr_flags & NDR_SCALARS) {
NDR_CHECK(ndr_pull_align(ndr, 4));
NDR_PULL_ALLOC_N(ndr, r->array, count);
_mem_save_array_0 = NDR_PULL_GET_MEM_CTX(ndr);
NDR_PULL_SET_MEM_CTX(ndr, r->array, 0);
for (cntr_array_0 = 0; cntr_array_0 < count; cntr_array_0++) {
NDR_CHECK(ndr_pull_AuthenticationInformation(ndr, NDR_SCALARS, &r->array[cntr_array_0]));
r->count = 0;
NDR_PULL_ALLOC_N(ndr, r->array, r->count);
/* entry is at least 16 bytes large */
while (ndr->offset + 16 <= ndr->data_size) {
r->array = talloc_realloc(ndr, r->array, struct AuthenticationInformation, r->count + 1);
NDR_ERR_HAVE_NO_MEMORY(r->array);
NDR_CHECK(ndr_pull_AuthenticationInformation(ndr, NDR_SCALARS, &r->array[r->count]));
r->count++;
}
NDR_PULL_SET_MEM_CTX(ndr, _mem_save_array_0, 0);
NDR_CHECK(ndr_pull_trailer_align(ndr, 4));
}
if (ndr_flags & NDR_BUFFERS) {
for (cntr_array_0 = 0; cntr_array_0 < count; cntr_array_0++) {
NDR_CHECK(ndr_pull_AuthenticationInformation(ndr, NDR_BUFFERS, &r->array[cntr_array_0]));
}
}
return NDR_ERR_SUCCESS;
}
/* Modified to have 'count' specified */
_PUBLIC_ void ndr_print_AuthenticationInformationArray_with_count(struct ndr_print *ndr, const char *name, int count, const struct AuthenticationInformationArray *r)
{
uint32_t cntr_array_0;
ndr_print_struct(ndr, name, "AuthenticationInformationArray");
ndr->depth++;
ndr->print(ndr, "%s: ARRAY(%d)", "array", (int)1);
ndr->depth++;
for (cntr_array_0=0;cntr_array_0<count;cntr_array_0++) {
char *idx_0=NULL;
if (asprintf(&idx_0, "[%d]", cntr_array_0) != -1) {
ndr_print_AuthenticationInformation(ndr, "array", &r->array[cntr_array_0]);
free(idx_0);
}
}
ndr->depth--;
ndr->depth--;
}
/* Modified to call AuthenticationInformationArray with 'count' specified */
_PUBLIC_ enum ndr_err_code ndr_push_trustAuthInOutBlob(struct ndr_push *ndr, int ndr_flags, const struct trustAuthInOutBlob *r)
{
if (ndr_flags & NDR_SCALARS) {
NDR_CHECK(ndr_push_align(ndr, 4));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->count));
NDR_CHECK(ndr_push_relative_ptr1(ndr, r->current));
NDR_CHECK(ndr_push_relative_ptr1(ndr, r->previous));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, (r->count > 0)?12:0));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, (r->count > 0)?12 + ndr_size_AuthenticationInformationArray(&r->current, ndr_flags):0));
{
struct ndr_push *_ndr_current;
NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_current, 0, ((r->count > 0)?12 + ndr_size_AuthenticationInformationArray(&r->current, ndr_flags):0) - ((r->count > 0)?12:0)));
NDR_CHECK(ndr_push_AuthenticationInformationArray(_ndr_current, NDR_SCALARS, &r->current));
NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_current, 0, ((r->count > 0)?12 + ndr_size_AuthenticationInformationArray(&r->current, ndr_flags):0) - ((r->count > 0)?12:0)));
}
{
uint32_t _flags_save_AuthenticationInformationArray = ndr->flags;
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_REMAINING);
{
struct ndr_push *_ndr_previous;
NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_previous, 0, -1));
NDR_CHECK(ndr_push_AuthenticationInformationArray(_ndr_previous, NDR_SCALARS, &r->previous));
NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_previous, 0, -1));
}
ndr->flags = _flags_save_AuthenticationInformationArray;
}
NDR_CHECK(ndr_push_trailer_align(ndr, 4));
}
if (ndr_flags & NDR_BUFFERS) {
if (r->current) {
NDR_CHECK(ndr_push_relative_ptr2_start(ndr, r->current));
NDR_CHECK(ndr_push_AuthenticationInformationArray_with_count(ndr, NDR_SCALARS|NDR_BUFFERS, r->count, r->current));
NDR_CHECK(ndr_push_relative_ptr2_end(ndr, r->current));
}
if (r->previous) {
NDR_CHECK(ndr_push_relative_ptr2_start(ndr, r->previous));
NDR_CHECK(ndr_push_AuthenticationInformationArray_with_count(ndr, NDR_SCALARS|NDR_BUFFERS, r->count, r->previous));
NDR_CHECK(ndr_push_relative_ptr2_end(ndr, r->previous));
}
}
return NDR_ERR_SUCCESS;
}
_PUBLIC_ enum ndr_err_code ndr_pull_trustAuthInOutBlob(struct ndr_pull *ndr, int ndr_flags, struct trustAuthInOutBlob *r)
{
uint32_t _ptr_current;
TALLOC_CTX *_mem_save_current_0;
uint32_t _ptr_previous;
TALLOC_CTX *_mem_save_previous_0;
if (ndr_flags & NDR_SCALARS) {
NDR_CHECK(ndr_pull_align(ndr, 4));
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->count));
NDR_CHECK(ndr_pull_generic_ptr(ndr, &_ptr_current));
if (_ptr_current) {
NDR_PULL_ALLOC(ndr, r->current);
NDR_CHECK(ndr_pull_relative_ptr1(ndr, r->current, _ptr_current));
} else {
r->current = NULL;
}
NDR_CHECK(ndr_pull_generic_ptr(ndr, &_ptr_previous));
if (_ptr_previous) {
NDR_PULL_ALLOC(ndr, r->previous);
NDR_CHECK(ndr_pull_relative_ptr1(ndr, r->previous, _ptr_previous));
} else {
r->previous = NULL;
}
}
if (ndr_flags & NDR_BUFFERS) {
if (r->current) {
uint32_t _relative_save_offset;
_relative_save_offset = ndr->offset;
NDR_CHECK(ndr_pull_relative_ptr2(ndr, r->current));
_mem_save_current_0 = NDR_PULL_GET_MEM_CTX(ndr);
NDR_PULL_SET_MEM_CTX(ndr, r->current, 0);
NDR_CHECK(ndr_pull_AuthenticationInformationArray_with_count(ndr, NDR_SCALARS|NDR_BUFFERS, r->count, r->current));
NDR_PULL_SET_MEM_CTX(ndr, _mem_save_current_0, 0);
ndr->offset = _relative_save_offset;
}
if (r->previous) {
uint32_t _relative_save_offset;
_relative_save_offset = ndr->offset;
NDR_CHECK(ndr_pull_relative_ptr2(ndr, r->previous));
_mem_save_previous_0 = NDR_PULL_GET_MEM_CTX(ndr);
NDR_PULL_SET_MEM_CTX(ndr, r->previous, 0);
NDR_CHECK(ndr_pull_AuthenticationInformationArray_with_count(ndr, NDR_SCALARS|NDR_BUFFERS, r->count, r->previous));
NDR_PULL_SET_MEM_CTX(ndr, _mem_save_previous_0, 0);
ndr->offset = _relative_save_offset;
}
}
return NDR_ERR_SUCCESS;
}
_PUBLIC_ void ndr_print_trustAuthInOutBlob(struct ndr_print *ndr, const char *name, const struct trustAuthInOutBlob *r)
{
ndr_print_struct(ndr, name, "trustAuthInOutBlob");
ndr->depth++;
ndr_print_uint32(ndr, "count", r->count);
ndr_print_ptr(ndr, "current", r->current);
ndr->depth++;
if (r->current) {
ndr_print_AuthenticationInformationArray_with_count(ndr, "current", r->count, r->current);
}
ndr->depth--;
ndr_print_ptr(ndr, "previous", r->previous);
ndr->depth++;
if (r->previous) {
ndr_print_AuthenticationInformationArray_with_count(ndr, "previous", r->count, r->previous);
}
ndr->depth--;
ndr->depth--;
}
_PUBLIC_ enum ndr_err_code ndr_pull_trustDomainPasswords(struct ndr_pull *ndr, int ndr_flags, struct trustDomainPasswords *r)
{
@ -197,13 +108,13 @@ _PUBLIC_ enum ndr_err_code ndr_pull_trustDomainPasswords(struct ndr_pull *ndr, i
{
struct ndr_pull *_ndr_outgoing;
NDR_CHECK(ndr_pull_subcontext_start(ndr, &_ndr_outgoing, 0, r->outgoing_size));
NDR_CHECK(ndr_pull_trustCurrentPasswords(_ndr_outgoing, NDR_SCALARS|NDR_BUFFERS, &r->outgoing));
NDR_CHECK(ndr_pull_trustAuthInOutBlob(_ndr_outgoing, NDR_SCALARS|NDR_BUFFERS, &r->outgoing));
NDR_CHECK(ndr_pull_subcontext_end(ndr, _ndr_outgoing, 0, r->outgoing_size));
}
{
struct ndr_pull *_ndr_incoming;
NDR_CHECK(ndr_pull_subcontext_start(ndr, &_ndr_incoming, 0, r->incoming_size));
NDR_CHECK(ndr_pull_trustCurrentPasswords(_ndr_incoming, NDR_SCALARS|NDR_BUFFERS, &r->incoming));
NDR_CHECK(ndr_pull_trustAuthInOutBlob(_ndr_incoming, NDR_SCALARS|NDR_BUFFERS, &r->incoming));
NDR_CHECK(ndr_pull_subcontext_end(ndr, _ndr_incoming, 0, r->incoming_size));
}
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->outgoing_size));

View File

@ -19,9 +19,5 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
_PUBLIC_ void ndr_print_AuthenticationInformationArray_with_count(struct ndr_print *ndr, const char *name, int count, const struct AuthenticationInformationArray *r);
_PUBLIC_ enum ndr_err_code ndr_push_trustAuthInOutBlob(struct ndr_push *ndr, int ndr_flags, const struct trustAuthInOutBlob *r);
_PUBLIC_ enum ndr_err_code ndr_pull_trustAuthInOutBlob(struct ndr_pull *ndr, int ndr_flags, struct trustAuthInOutBlob *r);
_PUBLIC_ void ndr_print_trustAuthInOutBlob(struct ndr_print *ndr, const char *name, const struct trustAuthInOutBlob *r);
_PUBLIC_ enum ndr_err_code ndr_pull_trustDomainPasswords(struct ndr_pull *ndr, int ndr_flags, struct trustDomainPasswords *r);
_PUBLIC_ void ndr_print_drsuapi_MSPrefixMap_Entry(struct ndr_print *ndr, const char *name, const struct drsuapi_MSPrefixMap_Entry *r);

View File

@ -834,15 +834,15 @@ static krb5_error_code samba_kdc_trust_message2entry(krb5_context context,
entry_ex->entry.kvno = -1;
for (i=0; i < password_blob.count; i++) {
if (password_blob.current->array[i].AuthType == TRUST_AUTH_TYPE_VERSION) {
entry_ex->entry.kvno = password_blob.current->array[i].AuthInfo.version.version;
if (password_blob.current.array[i].AuthType == TRUST_AUTH_TYPE_VERSION) {
entry_ex->entry.kvno = password_blob.current.array[i].AuthInfo.version.version;
}
}
for (i=0; i < password_blob.count; i++) {
if (password_blob.current->array[i].AuthType == TRUST_AUTH_TYPE_CLEAR) {
password_utf16 = data_blob_const(password_blob.current->array[i].AuthInfo.clear.password,
password_blob.current->array[i].AuthInfo.clear.size);
if (password_blob.current.array[i].AuthType == TRUST_AUTH_TYPE_CLEAR) {
password_utf16 = data_blob_const(password_blob.current.array[i].AuthInfo.clear.password,
password_blob.current.array[i].AuthInfo.clear.size);
/* In the future, generate all sorts of
* hashes, but for now we can't safely convert
* the random strings windows uses into
@ -851,8 +851,8 @@ static krb5_error_code samba_kdc_trust_message2entry(krb5_context context,
/* but as it is utf16 already, we can get the NT password/arcfour-hmac-md5 key */
mdfour(password_hash.hash, password_utf16.data, password_utf16.length);
break;
} else if (password_blob.current->array[i].AuthType == TRUST_AUTH_TYPE_NT4OWF) {
password_hash = password_blob.current->array[i].AuthInfo.nt4owf.password;
} else if (password_blob.current.array[i].AuthType == TRUST_AUTH_TYPE_NT4OWF) {
password_hash = password_blob.current.array[i].AuthInfo.nt4owf.password;
break;
}
}

View File

@ -762,43 +762,13 @@ static NTSTATUS get_trustdom_auth_blob(struct dcesrv_call_state *dce_call,
static NTSTATUS get_trustauth_inout_blob(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
struct trustCurrentPasswords *iopw,
struct trustAuthInOutBlob *iopw,
DATA_BLOB *trustauth_blob)
{
uint32_t i;
struct trustAuthInOutBlob ioblob;
enum ndr_err_code ndr_err;
ioblob.count = iopw->count;
ioblob.current = talloc(mem_ctx,
struct AuthenticationInformationArray);
if (!ioblob.current) {
return NT_STATUS_NO_MEMORY;
}
ioblob.current->array = *iopw->current;
if (!ioblob.current->array) {
return NT_STATUS_NO_MEMORY;
}
ioblob.previous = talloc(mem_ctx,
struct AuthenticationInformationArray);
if (!ioblob.previous) {
return NT_STATUS_NO_MEMORY;
}
ioblob.previous->array = talloc_array(mem_ctx,
struct AuthenticationInformation,
ioblob.count);
if (!ioblob.previous->array) {
return NT_STATUS_NO_MEMORY;
}
for (i = 0; i < ioblob.count; i++) {
ioblob.previous->array[i].LastUpdateTime = 0;
ioblob.previous->array[i].AuthType = 0;
}
ndr_err = ndr_push_struct_blob(trustauth_blob, mem_ctx,
&ioblob,
iopw,
(ndr_push_flags_fn_t)ndr_push_trustAuthInOutBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return NT_STATUS_INVALID_PARAMETER;
@ -811,7 +781,7 @@ static NTSTATUS add_trust_user(TALLOC_CTX *mem_ctx,
struct ldb_context *sam_ldb,
struct ldb_dn *base_dn,
const char *netbios_name,
struct trustCurrentPasswords *in,
struct trustAuthInOutBlob *in,
struct ldb_dn **user_dn)
{
struct ldb_message *msg;
@ -852,16 +822,16 @@ static NTSTATUS add_trust_user(TALLOC_CTX *mem_ctx,
for (i = 0; i < in->count; i++) {
const char *attribute;
struct ldb_val v;
switch (in->current[i]->AuthType) {
switch (in->current.array[i].AuthType) {
case TRUST_AUTH_TYPE_NT4OWF:
attribute = "unicodePwd";
v.data = (uint8_t *)&in->current[i]->AuthInfo.nt4owf.password;
v.data = (uint8_t *)&in->current.array[i].AuthInfo.nt4owf.password;
v.length = 16;
break;
case TRUST_AUTH_TYPE_CLEAR:
attribute = "clearTextPassword";
v.data = in->current[i]->AuthInfo.clear.password;
v.length = in->current[i]->AuthInfo.clear.size;
v.data = in->current.array[i].AuthInfo.clear.password;
v.length = in->current.array[i].AuthInfo.clear.size;
break;
default:
continue;
@ -1505,7 +1475,7 @@ static NTSTATUS update_trust_user(TALLOC_CTX *mem_ctx,
struct ldb_dn *base_dn,
bool delete_user,
const char *netbios_name,
struct trustCurrentPasswords *in)
struct trustAuthInOutBlob *in)
{
const char *attrs[] = { "userAccountControl", NULL };
struct ldb_message **msgs;
@ -1564,16 +1534,16 @@ static NTSTATUS update_trust_user(TALLOC_CTX *mem_ctx,
for (i = 0; i < in->count; i++) {
const char *attribute;
struct ldb_val v;
switch (in->current[i]->AuthType) {
switch (in->current.array[i].AuthType) {
case TRUST_AUTH_TYPE_NT4OWF:
attribute = "unicodePwd";
v.data = (uint8_t *)&in->current[i]->AuthInfo.nt4owf.password;
v.data = (uint8_t *)&in->current.array[i].AuthInfo.nt4owf.password;
v.length = 16;
break;
case TRUST_AUTH_TYPE_CLEAR:
attribute = "clearTextPassword";
v.data = in->current[i]->AuthInfo.clear.password;
v.length = in->current[i]->AuthInfo.clear.size;
v.data = in->current.array[i].AuthInfo.clear.password;
v.length = in->current.array[i].AuthInfo.clear.size;
break;
default:
continue;