1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
Unix SMB/CIFS implementation.
Extract kerberos keys 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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libnet/libnet.h"
#include "system/kerberos.h"
static NTSTATUS samdump_keytab_handle_user(TALLOC_CTX *mem_ctx,
const char *keytab_name,
struct creds_CredentialState *creds,
struct netr_DELTA_ENUM *delta)
{
struct netr_DELTA_USER *user = delta->delta_union.user;
const char *username = user->account_name.string;
struct cli_credentials *credentials;
int ret;
if (!user->nt_password_present) {
/* We can't do anything here */
return NT_STATUS_OK;
}
credentials = cli_credentials_init(mem_ctx);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials);
cli_credentials_set_username(credentials, username, CRED_SPECIFIED);
/* We really should consult ldap in the main SamSync code, and
* pass a value in here */
cli_credentials_set_kvno(credentials, 0);
cli_credentials_set_nt_hash(credentials, &user->ntpassword, CRED_SPECIFIED);
ret = cli_credentials_set_keytab_name(credentials, keytab_name, CRED_SPECIFIED);
if (ret) {
return NT_STATUS_UNSUCCESSFUL;
}
ret = cli_credentials_update_keytab(credentials);
if (ret) {
return NT_STATUS_UNSUCCESSFUL;
}
return NT_STATUS_OK;
}
static NTSTATUS libnet_samdump_keytab_fn(TALLOC_CTX *mem_ctx,
void *private,
struct creds_CredentialState *creds,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
NTSTATUS nt_status = NT_STATUS_OK;
const char *keytab_name = private;
*error_string = NULL;
switch (delta->delta_type) {
case NETR_DELTA_USER:
{
/* not interested in builtin users */
if (database == SAM_DATABASE_DOMAIN) {
nt_status = samdump_keytab_handle_user(mem_ctx,
keytab_name,
creds,
delta);
break;
}
}
default:
/* Can't dump them all right now */
break;
}
return nt_status;
}
static NTSTATUS libnet_SamDump_keytab_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
{
NTSTATUS nt_status;
struct libnet_SamSync r2;
r2.error_string = NULL;
r2.delta_fn = libnet_samdump_keytab_fn;
r2.fn_ctx = r->keytab_name;
r2.machine_account = NULL; /* TODO: Create a machine account, fill this in, and the delete it */
nt_status = libnet_SamSync_netlogon(ctx, mem_ctx, &r2);
r->error_string = r2.error_string;
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
return nt_status;
}
static NTSTATUS libnet_SamDump_keytab_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
{
NTSTATUS nt_status;
struct libnet_SamDump_keytab r2;
r2.level = LIBNET_SAMDUMP_NETLOGON;
r2.error_string = NULL;
r2.keytab_name = r->keytab_name;
nt_status = libnet_SamDump_keytab(ctx, mem_ctx, &r2);
r->error_string = r2.error_string;
return nt_status;
}
NTSTATUS libnet_SamDump_keytab(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
{
switch (r->level) {
case LIBNET_SAMDUMP_GENERIC:
return libnet_SamDump_keytab_generic(ctx, mem_ctx, r);
case LIBNET_SAMDUMP_NETLOGON:
return libnet_SamDump_keytab_netlogon(ctx, mem_ctx, r);
}
return NT_STATUS_INVALID_LEVEL;
}
|
