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/*
Unix SMB/CIFS implementation.
Extract the user/system database from a remote SamSync server
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
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 "libnet/libnet.h"
#include "../lib/util/dlinklist.h"
#include "samba3/samba3.h"
#include "libcli/security/security.h"
struct samdump_secret {
struct samdump_secret *prev, *next;
DATA_BLOB secret;
char *name;
NTTIME mtime;
};
struct samdump_trusted_domain {
struct samdump_trusted_domain *prev, *next;
struct dom_sid *sid;
char *name;
};
struct samdump_state {
struct samdump_secret *secrets;
struct samdump_trusted_domain *trusted_domains;
};
static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
struct netr_DELTA_ENUM *delta)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_USER *user = delta->delta_union.user;
const char *username = user->account_name.string;
char *hex_lm_password;
char *hex_nt_password;
hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
user->lm_password_present ? &user->lmpassword : NULL,
user->acct_flags);
hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
user->nt_password_present ? &user->ntpassword : NULL,
user->acct_flags);
printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
rid, hex_lm_password, hex_nt_password,
smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
(unsigned int)nt_time_to_unix(user->last_password_change));
return NT_STATUS_OK;
}
static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
struct samdump_state *samdump_state,
struct netr_DELTA_ENUM *delta)
{
struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
const char *name = delta->delta_id_union.name;
struct samdump_secret *n = talloc(samdump_state, struct samdump_secret);
n->name = talloc_strdup(n, name);
n->secret = data_blob_talloc(n, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
n->mtime = secret->current_cipher_set_time;
DLIST_ADD(samdump_state->secrets, n);
return NT_STATUS_OK;
}
static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
struct samdump_state *samdump_state,
struct netr_DELTA_ENUM *delta)
{
struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
struct dom_sid *dom_sid = delta->delta_id_union.sid;
struct samdump_trusted_domain *n = talloc(samdump_state, struct samdump_trusted_domain);
n->name = talloc_strdup(n, trusted_domain->domain_name.string);
n->sid = talloc_steal(n, dom_sid);
DLIST_ADD(samdump_state->trusted_domains, n);
return NT_STATUS_OK;
}
static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
void *private_data,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
NTSTATUS nt_status = NT_STATUS_OK;
struct samdump_state *samdump_state = (struct samdump_state *)private_data;
*error_string = NULL;
switch (delta->delta_type) {
case NETR_DELTA_USER:
{
/* not interested in builtin users */
if (database == SAM_DATABASE_DOMAIN) {
nt_status = vampire_samdump_handle_user(mem_ctx,
delta);
}
break;
}
case NETR_DELTA_SECRET:
{
nt_status = vampire_samdump_handle_secret(mem_ctx,
samdump_state,
delta);
break;
}
case NETR_DELTA_TRUSTED_DOMAIN:
{
nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
samdump_state,
delta);
break;
}
default:
/* Can't dump them all right now */
break;
}
return nt_status;
}
NTSTATUS libnet_SamDump(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
struct libnet_SamDump *r)
{
NTSTATUS nt_status;
struct libnet_SamSync r2;
struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
struct samdump_trusted_domain *t;
struct samdump_secret *s;
if (!samdump_state) {
return NT_STATUS_NO_MEMORY;
}
samdump_state->secrets = NULL;
samdump_state->trusted_domains = NULL;
r2.out.error_string = NULL;
r2.in.binding_string = r->in.binding_string;
r2.in.rid_crypt = lp_parm_bool(ctx->lp_ctx, NULL, "vampire", "rid decrypt", true);
r2.in.init_fn = NULL;
r2.in.delta_fn = libnet_samdump_fn;
r2.in.fn_ctx = samdump_state;
r2.in.machine_account = r->in.machine_account;
nt_status = libnet_SamSync_netlogon(ctx, samdump_state, &r2);
r->out.error_string = r2.out.error_string;
talloc_steal(mem_ctx, r->out.error_string);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(samdump_state);
return nt_status;
}
printf("Trusted domains, sids and secrets:\n");
for (t=samdump_state->trusted_domains; t; t=t->next) {
char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
for (s=samdump_state->secrets; s; s=s->next) {
char *secret_string;
if (strcasecmp_m(s->name, secret_name) != 0) {
continue;
}
if (convert_string_talloc_convenience(mem_ctx, lp_iconv_convenience(ctx->lp_ctx), CH_UTF16, CH_UNIX,
s->secret.data, s->secret.length,
(void **)&secret_string) == -1) {
r->out.error_string = talloc_asprintf(mem_ctx,
"Could not convert secret for domain %s to a string",
t->name);
talloc_free(samdump_state);
return NT_STATUS_INVALID_PARAMETER;
}
printf("%s\t%s\t%s\n",
t->name, dom_sid_string(mem_ctx, t->sid),
secret_string);
}
}
talloc_free(samdump_state);
return nt_status;
}
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