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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher 2004
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 "libcli/nbt/libnbt.h"
#include "libnet/libnet.h"
/**
* Finds a domain pdc (generic part)
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r data structure containing necessary parameters and return values
* @return nt status of the call
**/
static NTSTATUS libnet_find_pdc_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
union libnet_find_pdc *r)
{
const char *address;
NTSTATUS status;
struct nbt_name name;
if (is_ipaddress(r->generic.in.domain_name)) {
r->generic.out.pdc_name = r->generic.in.domain_name;
return NT_STATUS_OK;
}
name.name = r->generic.in.domain_name;
name.type = NBT_NAME_PDC;
name.scope = NULL;
status = resolve_name(&name, mem_ctx, &address);
if (!NT_STATUS_IS_OK(status)) {
name.type = NBT_NAME_SERVER;
status = resolve_name(&name, mem_ctx, &address);
}
NT_STATUS_NOT_OK_RETURN(status);
r->generic.out.pdc_name = talloc_strdup(mem_ctx, address);
return NT_STATUS_OK;
}
/**
* Finds a domain pdc function
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r data structure containing necessary parameters and return values
* @return nt status of the call
**/
NTSTATUS libnet_find_pdc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_find_pdc *r)
{
switch (r->generic.level) {
case LIBNET_FIND_PDC_GENERIC:
return libnet_find_pdc_generic(ctx, mem_ctx, r);
}
return NT_STATUS_INVALID_LEVEL;
}
/**
* Connects rpc pipe on remote server
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r data structure containing necessary parameters and return values
* @return nt status of the call
**/
static NTSTATUS libnet_rpc_connect_standard(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_rpc_connect *r)
{
NTSTATUS status;
const char *binding = NULL;
binding = talloc_asprintf(mem_ctx, "ncacn_np:%s",
r->standard.in.server_name);
status = dcerpc_pipe_connect(mem_ctx,
&r->standard.out.dcerpc_pipe,
binding,
r->standard.in.dcerpc_iface_uuid,
r->standard.in.dcerpc_iface_version,
ctx->credentials);
if (!NT_STATUS_IS_OK(status)) {
r->standard.out.error_string = talloc_asprintf(mem_ctx,
"dcerpc_pipe_connect to pipe %s failed with %s\n",
r->standard.in.dcerpc_iface_name, binding);
return status;
}
r->standard.out.error_string = NULL;
return status;
}
/**
* Connects rpc pipe on domain pdc
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r data structure containing necessary parameters and return values
* @return nt status of the call
**/
static NTSTATUS libnet_rpc_connect_pdc(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_rpc_connect *r)
{
NTSTATUS status;
union libnet_rpc_connect r2;
union libnet_find_pdc f;
f.generic.level = LIBNET_FIND_PDC_GENERIC;
f.generic.in.domain_name = r->pdc.in.domain_name;
status = libnet_find_pdc(ctx, mem_ctx, &f);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
r2.standard.level = LIBNET_RPC_CONNECT_STANDARD;
r2.standard.in.server_name = f.generic.out.pdc_name;
r2.standard.in.dcerpc_iface_name = r->standard.in.dcerpc_iface_name;
r2.standard.in.dcerpc_iface_uuid = r->standard.in.dcerpc_iface_uuid;
r2.standard.in.dcerpc_iface_version = r->standard.in.dcerpc_iface_version;
status = libnet_rpc_connect(ctx, mem_ctx, &r2);
r->pdc.out.dcerpc_pipe = r2.standard.out.dcerpc_pipe;
r->pdc.out.error_string = r2.standard.out.error_string;
return status;
}
/**
* Connects to rpc pipe on remote server or pdc
*
* @param ctx initialised libnet context
* @param mem_ctx memory context of this call
* @param r data structure containing necessary parameters and return values
* @return nt status of the call
**/
NTSTATUS libnet_rpc_connect(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_rpc_connect *r)
{
switch (r->standard.level) {
case LIBNET_RPC_CONNECT_STANDARD:
return libnet_rpc_connect_standard(ctx, mem_ctx, r);
case LIBNET_RPC_CONNECT_PDC:
return libnet_rpc_connect_pdc(ctx, mem_ctx, r);
}
return NT_STATUS_INVALID_LEVEL;
}
|
