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https://github.com/samba-team/samba.git
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37d885c51a
make them wrappers around convert_string{,talloc}_convenience().
206 lines
6.1 KiB
C
206 lines
6.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Extract the user/system database from a remote SamSync server
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
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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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#include "includes.h"
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#include "libnet/libnet.h"
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#include "../lib/util/dlinklist.h"
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#include "samba3/samba3.h"
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#include "libcli/security/security.h"
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struct samdump_secret {
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struct samdump_secret *prev, *next;
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DATA_BLOB secret;
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char *name;
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NTTIME mtime;
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};
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struct samdump_trusted_domain {
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struct samdump_trusted_domain *prev, *next;
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struct dom_sid *sid;
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char *name;
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};
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struct samdump_state {
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struct samdump_secret *secrets;
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struct samdump_trusted_domain *trusted_domains;
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};
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static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
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struct netr_DELTA_ENUM *delta)
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{
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uint32_t rid = delta->delta_id_union.rid;
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struct netr_DELTA_USER *user = delta->delta_union.user;
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const char *username = user->account_name.string;
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char *hex_lm_password;
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char *hex_nt_password;
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hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
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user->lm_password_present ? &user->lmpassword : NULL,
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user->acct_flags);
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hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
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user->nt_password_present ? &user->ntpassword : NULL,
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user->acct_flags);
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printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
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rid, hex_lm_password, hex_nt_password,
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smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
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(unsigned int)nt_time_to_unix(user->last_password_change));
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return NT_STATUS_OK;
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}
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static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
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struct samdump_state *samdump_state,
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struct netr_DELTA_ENUM *delta)
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{
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struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
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const char *name = delta->delta_id_union.name;
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struct samdump_secret *new = talloc(samdump_state, struct samdump_secret);
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new->name = talloc_strdup(new, name);
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new->secret = data_blob_talloc(new, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
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new->mtime = secret->current_cipher_set_time;
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DLIST_ADD(samdump_state->secrets, new);
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return NT_STATUS_OK;
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}
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static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
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struct samdump_state *samdump_state,
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struct netr_DELTA_ENUM *delta)
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{
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struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
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struct dom_sid *dom_sid = delta->delta_id_union.sid;
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struct samdump_trusted_domain *new = talloc(samdump_state, struct samdump_trusted_domain);
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new->name = talloc_strdup(new, trusted_domain->domain_name.string);
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new->sid = talloc_steal(new, dom_sid);
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DLIST_ADD(samdump_state->trusted_domains, new);
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return NT_STATUS_OK;
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}
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static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
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void *private,
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enum netr_SamDatabaseID database,
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struct netr_DELTA_ENUM *delta,
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char **error_string)
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{
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NTSTATUS nt_status = NT_STATUS_OK;
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struct samdump_state *samdump_state = (struct samdump_state *)private;
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*error_string = NULL;
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switch (delta->delta_type) {
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case NETR_DELTA_USER:
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{
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/* not interested in builtin users */
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if (database == SAM_DATABASE_DOMAIN) {
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nt_status = vampire_samdump_handle_user(mem_ctx,
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delta);
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}
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break;
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}
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case NETR_DELTA_SECRET:
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{
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nt_status = vampire_samdump_handle_secret(mem_ctx,
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samdump_state,
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delta);
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break;
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}
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case NETR_DELTA_TRUSTED_DOMAIN:
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{
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nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
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samdump_state,
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delta);
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break;
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}
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default:
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/* Can't dump them all right now */
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break;
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}
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return nt_status;
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}
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NTSTATUS libnet_SamDump(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
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struct libnet_SamDump *r)
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{
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NTSTATUS nt_status;
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struct libnet_SamSync r2;
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struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
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struct samdump_trusted_domain *t;
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struct samdump_secret *s;
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if (!samdump_state) {
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return NT_STATUS_NO_MEMORY;
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}
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samdump_state->secrets = NULL;
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samdump_state->trusted_domains = NULL;
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r2.out.error_string = NULL;
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r2.in.binding_string = r->in.binding_string;
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r2.in.rid_crypt = lp_parm_bool(ctx->lp_ctx, NULL, "vampire", "rid decrypt", true);
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r2.in.init_fn = NULL;
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r2.in.delta_fn = libnet_samdump_fn;
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r2.in.fn_ctx = samdump_state;
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r2.in.machine_account = r->in.machine_account;
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nt_status = libnet_SamSync_netlogon(ctx, samdump_state, &r2);
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r->out.error_string = r2.out.error_string;
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talloc_steal(mem_ctx, r->out.error_string);
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if (!NT_STATUS_IS_OK(nt_status)) {
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talloc_free(samdump_state);
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return nt_status;
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}
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printf("Trusted domains, sids and secrets:\n");
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for (t=samdump_state->trusted_domains; t; t=t->next) {
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char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
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for (s=samdump_state->secrets; s; s=s->next) {
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char *secret_string;
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if (strcasecmp_m(s->name, secret_name) != 0) {
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continue;
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}
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if (convert_string_talloc_convenience(mem_ctx, lp_iconv_convenience(ctx->lp_ctx), CH_UTF16, CH_UNIX,
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s->secret.data, s->secret.length,
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(void **)&secret_string) == -1) {
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r->out.error_string = talloc_asprintf(mem_ctx,
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"Could not convert secret for domain %s to a string",
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t->name);
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talloc_free(samdump_state);
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return NT_STATUS_INVALID_PARAMETER;
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}
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printf("%s\t%s\t%s\n",
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t->name, dom_sid_string(mem_ctx, t->sid),
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secret_string);
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}
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}
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talloc_free(samdump_state);
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return nt_status;
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}
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