1 /*
2 Unix SMB/CIFS implementation.
3 default print NTVFS backend
4 Copyright (C) Andrew Tridgell 2003
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 /*
21 this implements the print backend, called by the NTVFS subsystem to
22 handle requests on printing shares
23 */
24
25 #include "includes.h"
26 #include "libcli/raw/ioctl.h"
27 #include "ntvfs/ntvfs.h"
28
29 /*
30 connect to a share - used when a tree_connect operation comes
31 in. For printing shares this should check that the spool directory
32 is available
33 */
print_connect(struct ntvfs_module_context * ntvfs,struct ntvfs_request * req,const char * sharename)34 static NTSTATUS print_connect(struct ntvfs_module_context *ntvfs,
35 struct ntvfs_request *req, const char *sharename)
36 {
37 ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
38 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
39
40 ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "LPT1:");
41 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
42
43 return NT_STATUS_OK;
44 }
45
46 /*
47 disconnect from a share
48 */
print_disconnect(struct ntvfs_module_context * ntvfs)49 static NTSTATUS print_disconnect(struct ntvfs_module_context *ntvfs)
50 {
51 return NT_STATUS_OK;
52 }
53
54 /*
55 lots of operations are not allowed on printing shares - mostly return NT_STATUS_ACCESS_DENIED
56 */
print_unlink(struct ntvfs_module_context * ntvfs,struct ntvfs_request * req,union smb_unlink * unl)57 static NTSTATUS print_unlink(struct ntvfs_module_context *ntvfs,
58 struct ntvfs_request *req,
59 union smb_unlink *unl)
60 {
61 return NT_STATUS_ACCESS_DENIED;
62 }
63
64
65 /*
66 ioctl - used for job query
67 */
print_ioctl(struct ntvfs_module_context * ntvfs,struct ntvfs_request * req,union smb_ioctl * io)68 static NTSTATUS print_ioctl(struct ntvfs_module_context *ntvfs,
69 struct ntvfs_request *req, union smb_ioctl *io)
70 {
71 char *p;
72
73 if (io->generic.level != RAW_IOCTL_IOCTL) {
74 return NT_STATUS_NOT_IMPLEMENTED;
75 }
76
77 if (io->ioctl.in.request == IOCTL_QUERY_JOB_INFO) {
78
79 /* a request for the print job id of an open print job */
80 io->ioctl.out.blob = data_blob_talloc(req, NULL, 32);
81
82 data_blob_clear(&io->ioctl.out.blob);
83
84 p = (char *)io->ioctl.out.blob.data;
85 SSVAL(p,0, 1 /* REWRITE: fsp->rap_print_jobid */);
86 push_string(p+2, lp_netbios_name(), 15, STR_TERMINATE|STR_ASCII);
87 push_string(p+18, ntvfs->ctx->config->name, 13, STR_TERMINATE|STR_ASCII);
88 return NT_STATUS_OK;
89 }
90
91 return NT_STATUS_INVALID_PARAMETER;
92 }
93
94
95 /*
96 initialialise the print backend, registering ourselves with the ntvfs subsystem
97 */
ntvfs_print_init(void)98 NTSTATUS ntvfs_print_init(void)
99 {
100 NTSTATUS ret;
101 struct ntvfs_ops ops;
102 NTVFS_CURRENT_CRITICAL_SIZES(vers);
103
104 ZERO_STRUCT(ops);
105
106 /* fill in the name and type */
107 ops.name = "default";
108 ops.type = NTVFS_PRINT;
109
110 /* fill in all the operations */
111 ops.connect = print_connect;
112 ops.disconnect = print_disconnect;
113 ops.unlink = print_unlink;
114 ops.ioctl = print_ioctl;
115
116 /* register ourselves with the NTVFS subsystem. We register under the name 'default'
117 as we wish to be the default backend */
118 ret = ntvfs_register(&ops, &vers);
119
120 if (!NT_STATUS_IS_OK(ret)) {
121 DEBUG(0,("Failed to register PRINT backend!\n"));
122 }
123
124 return ret;
125 }
126