source: trunk/server/source4/libnet/libnet_samdump.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 6.2 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 Extract the user/system database from a remote SamSync server
5
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22
23#include "includes.h"
24#include "libnet/libnet.h"
25#include "../lib/util/dlinklist.h"
26#include "samba3/samba3.h"
27#include "libcli/security/security.h"
28#include "param/param.h"
29
30
31struct samdump_secret {
32 struct samdump_secret *prev, *next;
33 DATA_BLOB secret;
34 char *name;
35 NTTIME mtime;
36};
37
38struct samdump_trusted_domain {
39 struct samdump_trusted_domain *prev, *next;
40 struct dom_sid *sid;
41 char *name;
42};
43
44struct samdump_state {
45 struct samdump_secret *secrets;
46 struct samdump_trusted_domain *trusted_domains;
47};
48
49static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
50 struct netr_DELTA_ENUM *delta)
51{
52 uint32_t rid = delta->delta_id_union.rid;
53 struct netr_DELTA_USER *user = delta->delta_union.user;
54 const char *username = user->account_name.string;
55 char *hex_lm_password;
56 char *hex_nt_password;
57
58 hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
59 user->lm_password_present ? &user->lmpassword : NULL,
60 user->acct_flags);
61 hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
62 user->nt_password_present ? &user->ntpassword : NULL,
63 user->acct_flags);
64
65 printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
66 rid, hex_lm_password, hex_nt_password,
67 smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
68 (unsigned int)nt_time_to_unix(user->last_password_change));
69
70 return NT_STATUS_OK;
71}
72
73static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
74 struct samdump_state *samdump_state,
75 struct netr_DELTA_ENUM *delta)
76{
77 struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
78 const char *name = delta->delta_id_union.name;
79 struct samdump_secret *n = talloc(samdump_state, struct samdump_secret);
80
81 n->name = talloc_strdup(n, name);
82 n->secret = data_blob_talloc(n, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
83 n->mtime = secret->current_cipher_set_time;
84
85 DLIST_ADD(samdump_state->secrets, n);
86
87 return NT_STATUS_OK;
88}
89
90static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
91 struct samdump_state *samdump_state,
92 struct netr_DELTA_ENUM *delta)
93{
94 struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
95 struct dom_sid *dom_sid = delta->delta_id_union.sid;
96
97 struct samdump_trusted_domain *n = talloc(samdump_state, struct samdump_trusted_domain);
98
99 n->name = talloc_strdup(n, trusted_domain->domain_name.string);
100 n->sid = talloc_steal(n, dom_sid);
101
102 DLIST_ADD(samdump_state->trusted_domains, n);
103
104 return NT_STATUS_OK;
105}
106
107static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
108 void *private_data,
109 enum netr_SamDatabaseID database,
110 struct netr_DELTA_ENUM *delta,
111 char **error_string)
112{
113 NTSTATUS nt_status = NT_STATUS_OK;
114 struct samdump_state *samdump_state = (struct samdump_state *)private_data;
115
116 *error_string = NULL;
117 switch (delta->delta_type) {
118 case NETR_DELTA_USER:
119 {
120 /* not interested in builtin users */
121 if (database == SAM_DATABASE_DOMAIN) {
122 nt_status = vampire_samdump_handle_user(mem_ctx,
123 delta);
124 }
125 break;
126 }
127 case NETR_DELTA_SECRET:
128 {
129 nt_status = vampire_samdump_handle_secret(mem_ctx,
130 samdump_state,
131 delta);
132 break;
133 }
134 case NETR_DELTA_TRUSTED_DOMAIN:
135 {
136 nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
137 samdump_state,
138 delta);
139 break;
140 }
141 default:
142 /* Can't dump them all right now */
143 break;
144 }
145 return nt_status;
146}
147
148NTSTATUS libnet_SamDump(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
149 struct libnet_SamDump *r)
150{
151 NTSTATUS nt_status;
152 struct libnet_SamSync r2;
153 struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
154
155 struct samdump_trusted_domain *t;
156 struct samdump_secret *s;
157
158 if (!samdump_state) {
159 return NT_STATUS_NO_MEMORY;
160 }
161
162 samdump_state->secrets = NULL;
163 samdump_state->trusted_domains = NULL;
164
165 r2.out.error_string = NULL;
166 r2.in.binding_string = r->in.binding_string;
167 r2.in.init_fn = NULL;
168 r2.in.delta_fn = libnet_samdump_fn;
169 r2.in.fn_ctx = samdump_state;
170 r2.in.machine_account = r->in.machine_account;
171 nt_status = libnet_SamSync_netlogon(ctx, samdump_state, &r2);
172 r->out.error_string = r2.out.error_string;
173 talloc_steal(mem_ctx, r->out.error_string);
174
175 if (!NT_STATUS_IS_OK(nt_status)) {
176 talloc_free(samdump_state);
177 return nt_status;
178 }
179
180 printf("Trusted domains, sids and secrets:\n");
181 for (t=samdump_state->trusted_domains; t; t=t->next) {
182 char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
183 for (s=samdump_state->secrets; s; s=s->next) {
184 char *secret_string;
185 if (strcasecmp_m(s->name, secret_name) != 0) {
186 continue;
187 }
188 if (!convert_string_talloc_convenience(mem_ctx, lpcfg_iconv_convenience(ctx->lp_ctx), CH_UTF16, CH_UNIX,
189 s->secret.data, s->secret.length,
190 (void **)&secret_string, NULL, false)) {
191 r->out.error_string = talloc_asprintf(mem_ctx,
192 "Could not convert secret for domain %s to a string",
193 t->name);
194 talloc_free(samdump_state);
195 return NT_STATUS_INVALID_PARAMETER;
196 }
197 printf("%s\t%s\t%s\n",
198 t->name, dom_sid_string(mem_ctx, t->sid),
199 secret_string);
200 }
201 }
202 talloc_free(samdump_state);
203 return nt_status;
204}
205
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