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
|
/*
Unix SMB/CIFS implementation.
srvsvc pipe ntvfs helper functions
Copyright (C) Stefan (metze) Metzmacher 2006
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 "ntvfs/ntvfs.h"
#include "rpc_server/dcerpc_server.h"
#include "librpc/gen_ndr/ndr_srvsvc.h"
#include "rpc_server/common/common.h"
#include "rpc_server/srvsvc/proto.h"
#include "lib/socket/socket.h"
#include "param/param.h"
struct socket_address *srvsvc_get_my_addr(void *p, TALLOC_CTX *mem_ctx)
{
struct dcesrv_connection *conn = talloc_get_type(p, struct dcesrv_connection);
return dcesrv_connection_get_my_addr(conn, mem_ctx);
}
struct socket_address *srvsvc_get_peer_addr(void *p, TALLOC_CTX *mem_ctx)
{
struct dcesrv_connection *conn = talloc_get_type(p, struct dcesrv_connection);
return dcesrv_connection_get_peer_addr(conn, mem_ctx);
}
struct srvsvc_ntvfs_ctx {
struct ntvfs_context *ntvfs;
};
static int srvsvc_ntvfs_ctx_destructor(struct srvsvc_ntvfs_ctx *c)
{
ntvfs_disconnect(c->ntvfs);
return 0;
}
NTSTATUS srvsvc_create_ntvfs_context(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
const char *share,
struct ntvfs_context **_ntvfs)
{
NTSTATUS status;
struct srvsvc_ntvfs_ctx *c;
struct ntvfs_request *ntvfs_req;
enum ntvfs_type type;
struct share_context *sctx;
struct share_config *scfg;
const char *sharetype;
status = share_get_context_by_name(mem_ctx, lp_share_backend(dce_call->conn->dce_ctx->lp_ctx), dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, &sctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
status = share_get_config(mem_ctx, sctx, share, &scfg);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("srvsvc_create_ntvfs_context: couldn't find service %s\n", share));
return status;
}
#if 0 /* TODO: fix access cecking */
if (!socket_check_access(dce_call->connection->socket,
scfg->name,
share_string_list_option(scfg, SHARE_HOSTS_ALLOW),
share_string_list_option(scfg, SHARE_HOSTS_DENY))) {
return NT_STATUS_ACCESS_DENIED;
}
#endif
/* work out what sort of connection this is */
sharetype = share_string_option(scfg, SHARE_TYPE, SHARE_TYPE_DEFAULT);
if (sharetype && strcmp(sharetype, "IPC") == 0) {
type = NTVFS_IPC;
} else if (sharetype && strcmp(sharetype, "PRINTER")) {
type = NTVFS_PRINT;
} else {
type = NTVFS_DISK;
}
c = talloc(mem_ctx, struct srvsvc_ntvfs_ctx);
NT_STATUS_HAVE_NO_MEMORY(c);
/* init ntvfs function pointers */
status = ntvfs_init_connection(c, scfg, type,
PROTOCOL_NT1,
0,/* ntvfs_client_caps */
dce_call->event_ctx,
dce_call->conn->msg_ctx,
dce_call->conn->dce_ctx->lp_ctx,
dce_call->conn->server_id,
&c->ntvfs);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("srvsvc_create_ntvfs_context: ntvfs_init_connection failed for service %s\n",
scfg->name));
return status;
}
talloc_set_destructor(c, srvsvc_ntvfs_ctx_destructor);
/*
* NOTE: we only set the addr callbacks as we're not interesseted in oplocks or in getting file handles
*/
status = ntvfs_set_addr_callbacks(c->ntvfs, srvsvc_get_my_addr, srvsvc_get_peer_addr, dce_call->conn);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("srvsvc_create_ntvfs_context: NTVFS failed to set the addr callbacks!\n"));
return status;
}
ntvfs_req = ntvfs_request_create(c->ntvfs, mem_ctx,
dce_call->conn->auth_state.session_info,
0, /* TODO: fill in PID */
dce_call->time,
NULL, NULL, 0);
NT_STATUS_HAVE_NO_MEMORY(ntvfs_req);
/* Invoke NTVFS connection hook */
status = ntvfs_connect(ntvfs_req, scfg->name);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("srvsvc_create_ntvfs_context: NTVFS ntvfs_connect() failed!\n"));
return status;
}
*_ntvfs = c->ntvfs;
return NT_STATUS_OK;
}
|