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domains with more then 10 subdomains are not so uncommon. https://bugzilla.samba.org/show_bug.cgi?id=10439 Guenther Signed-off-by: Günther Deschner <gd@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Günther Deschner <gd@samba.org> Autobuild-Date(master): Thu Feb 13 16:30:50 CET 2014 on sn-devel-104
448 lines
16 KiB
C
448 lines
16 KiB
C
/*
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Unix SMB/CIFS implementation.
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CLDAP server structures
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Copyright (C) Andrew Tridgell 2005
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* parser auto-generated by pidl, then hand-modified by abartlet */
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#include "includes.h"
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#include "../libcli/nbt/libnbt.h"
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#include "../libcli/netlogon/netlogon.h"
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/* don't allow an unlimited number of name components */
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#define MAX_COMPONENTS 128
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/**
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print a nbt string
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*/
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_PUBLIC_ void ndr_print_nbt_string(struct ndr_print *ndr, const char *name, const char *s)
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{
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ndr_print_string(ndr, name, s);
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}
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/*
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pull one component of a nbt_string
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*/
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static enum ndr_err_code ndr_pull_component(struct ndr_pull *ndr,
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uint8_t **component,
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uint32_t *offset,
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uint32_t *max_offset)
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{
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uint8_t len;
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unsigned int loops = 0;
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while (loops < 5) {
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if (*offset >= ndr->data_size) {
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return ndr_pull_error(ndr, NDR_ERR_STRING,
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"BAD NBT NAME component");
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}
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len = ndr->data[*offset];
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if (len == 0) {
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*offset += 1;
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*max_offset = MAX(*max_offset, *offset);
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*component = NULL;
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return NDR_ERR_SUCCESS;
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}
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if ((len & 0xC0) == 0xC0) {
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/* its a label pointer */
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if (1 + *offset >= ndr->data_size) {
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return ndr_pull_error(ndr, NDR_ERR_STRING,
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"BAD NBT NAME component");
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}
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*max_offset = MAX(*max_offset, *offset + 2);
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*offset = ((len&0x3F)<<8) | ndr->data[1 + *offset];
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*max_offset = MAX(*max_offset, *offset);
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loops++;
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continue;
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}
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if ((len & 0xC0) != 0) {
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/* its a reserved length field */
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return ndr_pull_error(ndr, NDR_ERR_STRING,
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"BAD NBT NAME component");
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}
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if (*offset + len + 1 > ndr->data_size) {
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return ndr_pull_error(ndr, NDR_ERR_STRING,
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"BAD NBT NAME component");
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}
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*component = (uint8_t*)talloc_strndup(
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ndr->current_mem_ctx,
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(const char *)&ndr->data[1 + *offset], len);
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NDR_ERR_HAVE_NO_MEMORY(*component);
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*offset += len + 1;
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*max_offset = MAX(*max_offset, *offset);
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return NDR_ERR_SUCCESS;
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}
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/* too many pointers */
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return ndr_pull_error(ndr, NDR_ERR_STRING, "BAD NBT NAME component");
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}
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/**
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pull a nbt_string from the wire
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*/
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_PUBLIC_ enum ndr_err_code ndr_pull_nbt_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
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{
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uint32_t offset = ndr->offset;
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uint32_t max_offset = offset;
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unsigned num_components;
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char *name;
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if (!(ndr_flags & NDR_SCALARS)) {
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return NDR_ERR_SUCCESS;
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}
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name = NULL;
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/* break up name into a list of components */
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for (num_components=0;num_components<MAX_COMPONENTS;num_components++) {
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uint8_t *component = NULL;
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NDR_CHECK(ndr_pull_component(ndr, &component, &offset, &max_offset));
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if (component == NULL) break;
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if (name) {
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name = talloc_asprintf_append_buffer(name, ".%s", component);
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NDR_ERR_HAVE_NO_MEMORY(name);
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} else {
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name = (char *)component;
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}
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}
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if (num_components == MAX_COMPONENTS) {
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return ndr_pull_error(ndr, NDR_ERR_STRING,
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"BAD NBT NAME too many components");
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}
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if (num_components == 0) {
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name = talloc_strdup(ndr->current_mem_ctx, "");
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NDR_ERR_HAVE_NO_MEMORY(name);
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}
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(*s) = name;
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ndr->offset = max_offset;
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return NDR_ERR_SUCCESS;
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}
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/**
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push a nbt string to the wire
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*/
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_PUBLIC_ enum ndr_err_code ndr_push_nbt_string(struct ndr_push *ndr, int ndr_flags, const char *s)
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{
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if (!(ndr_flags & NDR_SCALARS)) {
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return NDR_ERR_SUCCESS;
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}
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while (s && *s) {
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enum ndr_err_code ndr_err;
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char *compname;
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size_t complen;
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uint32_t offset;
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/* see if we have pushed the remaing string allready,
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* if so we use a label pointer to this string
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*/
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ndr_err = ndr_token_retrieve_cmp_fn(&ndr->nbt_string_list, s, &offset, (comparison_fn_t)strcmp, false);
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if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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uint8_t b[2];
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if (offset > 0x3FFF) {
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return ndr_push_error(ndr, NDR_ERR_STRING,
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"offset for nbt string label pointer %u[%08X] > 0x00003FFF",
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offset, offset);
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}
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b[0] = 0xC0 | (offset>>8);
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b[1] = (offset & 0xFF);
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return ndr_push_bytes(ndr, b, 2);
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}
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complen = strcspn(s, ".");
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/* we need to make sure the length fits into 6 bytes */
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if (complen > 0x3F) {
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return ndr_push_error(ndr, NDR_ERR_STRING,
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"component length %u[%08X] > 0x0000003F",
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(unsigned)complen, (unsigned)complen);
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}
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compname = talloc_asprintf(ndr, "%c%*.*s",
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(unsigned char)complen,
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(unsigned char)complen,
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(unsigned char)complen, s);
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NDR_ERR_HAVE_NO_MEMORY(compname);
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/* remember the current componemt + the rest of the string
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* so it can be reused later
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*/
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NDR_CHECK(ndr_token_store(ndr, &ndr->nbt_string_list, s, ndr->offset));
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/* push just this component into the blob */
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NDR_CHECK(ndr_push_bytes(ndr, (const uint8_t *)compname, complen+1));
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talloc_free(compname);
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s += complen;
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if (*s == '.') s++;
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}
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/* if we reach the end of the string and have pushed the last component
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* without using a label pointer, we need to terminate the string
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*/
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return ndr_push_bytes(ndr, (const uint8_t *)"", 1);
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}
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/* Manually modified to handle the dom_sid being optional based on if it is present or all zero */
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enum ndr_err_code ndr_push_NETLOGON_SAM_LOGON_REQUEST(struct ndr_push *ndr, int ndr_flags, const struct NETLOGON_SAM_LOGON_REQUEST *r)
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{
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if (ndr_flags & NDR_SCALARS) {
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NDR_CHECK(ndr_push_align(ndr, 4));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->request_count));
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, r->computer_name));
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ndr->flags = _flags_save_string;
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}
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, r->user_name));
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ndr->flags = _flags_save_string;
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}
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, r->mailslot_name));
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ndr->flags = _flags_save_string;
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}
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->acct_control));
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NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, ndr_size_dom_sid0(&r->sid, ndr->flags)));
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if (ndr_size_dom_sid0(&r->sid, ndr->flags)) {
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struct ndr_push *_ndr_sid;
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uint32_t _flags_save_DATA_BLOB = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_ALIGN4);
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NDR_CHECK(ndr_push_DATA_BLOB(ndr, NDR_SCALARS, r->_pad));
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ndr->flags = _flags_save_DATA_BLOB;
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NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_sid, 0, ndr_size_dom_sid0(&r->sid, ndr->flags)));
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NDR_CHECK(ndr_push_dom_sid0(_ndr_sid, NDR_SCALARS|NDR_BUFFERS, &r->sid));
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NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_sid, 0, ndr_size_dom_sid0(&r->sid, ndr->flags)));
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}
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NDR_CHECK(ndr_push_netlogon_nt_version_flags(ndr, NDR_SCALARS, r->nt_version));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->lmnt_token));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->lm20_token));
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}
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if (ndr_flags & NDR_BUFFERS) {
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}
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return NDR_ERR_SUCCESS;
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}
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/* Manually modified to handle the dom_sid being optional based on if it is present (size is non-zero) or not */
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enum ndr_err_code ndr_pull_NETLOGON_SAM_LOGON_REQUEST(struct ndr_pull *ndr, int ndr_flags, struct NETLOGON_SAM_LOGON_REQUEST *r)
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{
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if (ndr_flags & NDR_SCALARS) {
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NDR_CHECK(ndr_pull_align(ndr, 4));
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NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->request_count));
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_pull_string(ndr, NDR_SCALARS, &r->computer_name));
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ndr->flags = _flags_save_string;
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}
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_pull_string(ndr, NDR_SCALARS, &r->user_name));
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ndr->flags = _flags_save_string;
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}
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{
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uint32_t _flags_save_string = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
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NDR_CHECK(ndr_pull_string(ndr, NDR_SCALARS, &r->mailslot_name));
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ndr->flags = _flags_save_string;
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}
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->acct_control));
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NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->sid_size));
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if (r->sid_size) {
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uint32_t _flags_save_DATA_BLOB = ndr->flags;
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struct ndr_pull *_ndr_sid;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_ALIGN4);
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NDR_CHECK(ndr_pull_DATA_BLOB(ndr, NDR_SCALARS, &r->_pad));
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ndr->flags = _flags_save_DATA_BLOB;
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NDR_CHECK(ndr_pull_subcontext_start(ndr, &_ndr_sid, 0, r->sid_size));
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NDR_CHECK(ndr_pull_dom_sid0(_ndr_sid, NDR_SCALARS|NDR_BUFFERS, &r->sid));
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NDR_CHECK(ndr_pull_subcontext_end(ndr, _ndr_sid, 0, r->sid_size));
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} else {
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ZERO_STRUCT(r->sid);
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}
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NDR_CHECK(ndr_pull_netlogon_nt_version_flags(ndr, NDR_SCALARS, &r->nt_version));
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NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->lmnt_token));
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NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->lm20_token));
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}
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if (ndr_flags & NDR_BUFFERS) {
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}
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return NDR_ERR_SUCCESS;
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}
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/* Manually modified to only push some parts of the structure if certain flags are set */
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enum ndr_err_code ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags(struct ndr_push *ndr, int ndr_flags, const struct NETLOGON_SAM_LOGON_RESPONSE_EX *r)
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{
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{
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uint32_t _flags_save_STRUCT = ndr->flags;
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_NOALIGN);
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if (ndr_flags & NDR_SCALARS) {
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NDR_CHECK(ndr_push_align(ndr, 4));
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NDR_CHECK(ndr_push_netlogon_command(ndr, NDR_SCALARS, r->command));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->sbz));
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NDR_CHECK(ndr_push_nbt_server_type(ndr, NDR_SCALARS, r->server_type));
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NDR_CHECK(ndr_push_GUID(ndr, NDR_SCALARS, &r->domain_uuid));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->forest));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->dns_domain));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->pdc_dns_name));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->domain_name));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->pdc_name));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->user_name));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->server_site));
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->client_site));
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if (r->nt_version & NETLOGON_NT_VERSION_5EX_WITH_IP) {
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NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, ndr_size_nbt_sockaddr(&r->sockaddr, ndr->flags)));
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{
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struct ndr_push *_ndr_sockaddr;
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NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_sockaddr, 0, ndr_size_nbt_sockaddr(&r->sockaddr, ndr->flags)));
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NDR_CHECK(ndr_push_nbt_sockaddr(_ndr_sockaddr, NDR_SCALARS|NDR_BUFFERS, &r->sockaddr));
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NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_sockaddr, 0, ndr_size_nbt_sockaddr(&r->sockaddr, ndr->flags)));
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}
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}
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if (r->nt_version & NETLOGON_NT_VERSION_WITH_CLOSEST_SITE) {
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NDR_CHECK(ndr_push_nbt_string(ndr, NDR_SCALARS, r->next_closest_site));
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}
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NDR_CHECK(ndr_push_netlogon_nt_version_flags(ndr, NDR_SCALARS, r->nt_version));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->lmnt_token));
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NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->lm20_token));
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}
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if (ndr_flags & NDR_BUFFERS) {
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NDR_CHECK(ndr_push_GUID(ndr, NDR_BUFFERS, &r->domain_uuid));
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}
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ndr->flags = _flags_save_STRUCT;
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}
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return NDR_ERR_SUCCESS;
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}
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/* Manually modified to only pull some parts of the structure if certain flags provided */
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enum ndr_err_code ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags(struct ndr_pull *ndr, int ndr_flags, struct NETLOGON_SAM_LOGON_RESPONSE_EX *r,
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uint32_t nt_version_flags)
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{
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{
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uint32_t _flags_save_STRUCT = ndr->flags;
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ZERO_STRUCTP(r);
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ndr_set_flags(&ndr->flags, LIBNDR_FLAG_NOALIGN);
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if (ndr_flags & NDR_SCALARS) {
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NDR_CHECK(ndr_pull_align(ndr, 4));
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NDR_CHECK(ndr_pull_netlogon_command(ndr, NDR_SCALARS, &r->command));
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NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->sbz));
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NDR_CHECK(ndr_pull_nbt_server_type(ndr, NDR_SCALARS, &r->server_type));
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NDR_CHECK(ndr_pull_GUID(ndr, NDR_SCALARS, &r->domain_uuid));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->forest));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->dns_domain));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->pdc_dns_name));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->domain_name));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->pdc_name));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->user_name));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->server_site));
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NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->client_site));
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if (nt_version_flags & NETLOGON_NT_VERSION_5EX_WITH_IP) {
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NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &r->sockaddr_size));
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{
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struct ndr_pull *_ndr_sockaddr;
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NDR_CHECK(ndr_pull_subcontext_start(ndr, &_ndr_sockaddr, 0, r->sockaddr_size));
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NDR_CHECK(ndr_pull_nbt_sockaddr(_ndr_sockaddr, NDR_SCALARS|NDR_BUFFERS, &r->sockaddr));
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NDR_CHECK(ndr_pull_subcontext_end(ndr, _ndr_sockaddr, 0, r->sockaddr_size));
|
|
}
|
|
}
|
|
if (nt_version_flags & NETLOGON_NT_VERSION_WITH_CLOSEST_SITE) {
|
|
NDR_CHECK(ndr_pull_nbt_string(ndr, NDR_SCALARS, &r->next_closest_site));
|
|
}
|
|
NDR_CHECK(ndr_pull_netlogon_nt_version_flags(ndr, NDR_SCALARS, &r->nt_version));
|
|
if (r->nt_version != nt_version_flags) {
|
|
return NDR_ERR_VALIDATE;
|
|
}
|
|
NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->lmnt_token));
|
|
NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->lm20_token));
|
|
}
|
|
if (ndr_flags & NDR_BUFFERS) {
|
|
NDR_CHECK(ndr_pull_GUID(ndr, NDR_BUFFERS, &r->domain_uuid));
|
|
}
|
|
ndr->flags = _flags_save_STRUCT;
|
|
}
|
|
return NDR_ERR_SUCCESS;
|
|
}
|
|
|
|
_PUBLIC_ enum ndr_err_code ndr_push_netlogon_samlogon_response(struct ndr_push *ndr, int ndr_flags, const struct netlogon_samlogon_response *r)
|
|
{
|
|
if (r->ntver == NETLOGON_NT_VERSION_1) {
|
|
NDR_CHECK(ndr_push_NETLOGON_SAM_LOGON_RESPONSE_NT40(
|
|
ndr, ndr_flags, &r->data.nt4));
|
|
} else if (r->ntver & NETLOGON_NT_VERSION_5EX) {
|
|
NDR_CHECK(ndr_push_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags(
|
|
ndr, ndr_flags, &r->data.nt5_ex));
|
|
} else if (r->ntver & NETLOGON_NT_VERSION_5) {
|
|
NDR_CHECK(ndr_push_NETLOGON_SAM_LOGON_RESPONSE(
|
|
ndr, ndr_flags, &r->data.nt5));
|
|
} else {
|
|
return NDR_ERR_BAD_SWITCH;
|
|
}
|
|
|
|
return NDR_ERR_SUCCESS;
|
|
}
|
|
|
|
_PUBLIC_ enum ndr_err_code ndr_pull_netlogon_samlogon_response(struct ndr_pull *ndr, int ndr_flags, struct netlogon_samlogon_response *r)
|
|
{
|
|
if (ndr->data_size < 8) {
|
|
return NDR_ERR_BUFSIZE;
|
|
}
|
|
|
|
/* lmnttoken */
|
|
if (SVAL(ndr->data, ndr->data_size - 4) != 0xffff) {
|
|
return NDR_ERR_TOKEN;
|
|
}
|
|
/* lm20token */
|
|
if (SVAL(ndr->data, ndr->data_size - 2) != 0xffff) {
|
|
return NDR_ERR_TOKEN;
|
|
}
|
|
|
|
r->ntver = IVAL(ndr->data, ndr->data_size - 8);
|
|
|
|
if (r->ntver == NETLOGON_NT_VERSION_1) {
|
|
NDR_CHECK(ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_NT40(
|
|
ndr, ndr_flags, &r->data.nt4));
|
|
} else if (r->ntver & NETLOGON_NT_VERSION_5EX) {
|
|
NDR_CHECK(ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX_with_flags(
|
|
ndr, ndr_flags, &r->data.nt5_ex, r->ntver));
|
|
if (ndr->offset < ndr->data_size) {
|
|
return ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
|
|
"not all bytes consumed ofs[%u] size[%u]",
|
|
ndr->offset, ndr->data_size);
|
|
}
|
|
} else if (r->ntver & NETLOGON_NT_VERSION_5) {
|
|
NDR_CHECK(ndr_pull_NETLOGON_SAM_LOGON_RESPONSE(
|
|
ndr, ndr_flags, &r->data.nt5));
|
|
} else {
|
|
return NDR_ERR_BAD_SWITCH;
|
|
}
|
|
|
|
return NDR_ERR_SUCCESS;
|
|
}
|