source: vendor/3.6.0/source3/libsmb/cliprint.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 4.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 client print routines
4 Copyright (C) Andrew Tridgell 1994-1998
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 3 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, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21#include "libsmb/libsmb.h"
22#include "libsmb/clirap.h"
23
24/*****************************************************************************
25 Convert a character pointer in a cli_call_api() response to a form we can use.
26 This function contains code to prevent core dumps if the server returns
27 invalid data.
28*****************************************************************************/
29static const char *fix_char_ptr(unsigned int datap, unsigned int converter,
30 char *rdata, int rdrcnt)
31{
32 unsigned int offset;
33
34 if (datap == 0) {
35 /* turn NULL pointers into zero length strings */
36 return "";
37 }
38
39 offset = datap - converter;
40
41 if (offset >= rdrcnt) {
42 DEBUG(1,("bad char ptr: datap=%u, converter=%u rdrcnt=%d>",
43 datap, converter, rdrcnt));
44 return "<ERROR>";
45 }
46 return &rdata[offset];
47}
48
49/****************************************************************************
50call fn() on each entry in a print queue
51****************************************************************************/
52
53int cli_print_queue(struct cli_state *cli,
54 void (*fn)(struct print_job_info *))
55{
56 char *rparam = NULL;
57 char *rdata = NULL;
58 char *p;
59 unsigned int rdrcnt, rprcnt;
60 char param[1024];
61 int result_code=0;
62 int i = -1;
63
64 memset(param,'\0',sizeof(param));
65
66 p = param;
67 SSVAL(p,0,76); /* API function number 76 (DosPrintJobEnum) */
68 p += 2;
69 safe_strcpy_base(p,"zWrLeh", param, sizeof(param)); /* parameter description? */
70 p = skip_string(param,sizeof(param),p);
71 safe_strcpy_base(p,"WWzWWDDzz", param, sizeof(param)); /* returned data format */
72 p = skip_string(param,sizeof(param),p);
73 safe_strcpy_base(p,cli->share, param, sizeof(param)); /* name of queue */
74 p = skip_string(param,sizeof(param),p);
75 SSVAL(p,0,2); /* API function level 2, PRJINFO_2 data structure */
76 SSVAL(p,2,1000); /* size of bytes of returned data buffer */
77 p += 4;
78 safe_strcpy_base(p,"", param,sizeof(param)); /* subformat */
79 p = skip_string(param,sizeof(param),p);
80
81 DEBUG(4,("doing cli_print_queue for %s\n", cli->share));
82
83 if (cli_api(cli,
84 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
85 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
86 &rparam, &rprcnt, /* return params, length */
87 &rdata, &rdrcnt)) { /* return data, length */
88 int converter;
89 result_code = SVAL(rparam,0);
90 converter = SVAL(rparam,2); /* conversion factor */
91
92 if (result_code == 0) {
93 struct print_job_info job;
94
95 p = rdata;
96
97 for (i = 0; i < SVAL(rparam,4); ++i) {
98 job.id = SVAL(p,0);
99 job.priority = SVAL(p,2);
100 fstrcpy(job.user,
101 fix_char_ptr(SVAL(p,4), converter,
102 rdata, rdrcnt));
103 job.t = make_unix_date3(
104 p + 12, cli->serverzone);
105 job.size = IVAL(p,16);
106 fstrcpy(job.name,fix_char_ptr(SVAL(p,24),
107 converter,
108 rdata, rdrcnt));
109 fn(&job);
110 p += 28;
111 }
112 }
113 }
114
115 /* If any parameters or data were returned, free the storage. */
116 SAFE_FREE(rparam);
117 SAFE_FREE(rdata);
118
119 return i;
120}
121
122/****************************************************************************
123 cancel a print job
124 ****************************************************************************/
125
126int cli_printjob_del(struct cli_state *cli, int job)
127{
128 char *rparam = NULL;
129 char *rdata = NULL;
130 char *p;
131 unsigned int rdrcnt,rprcnt;
132 int ret = -1;
133 char param[1024];
134
135 memset(param,'\0',sizeof(param));
136
137 p = param;
138 SSVAL(p,0,81); /* DosPrintJobDel() */
139 p += 2;
140 safe_strcpy_base(p,"W", param,sizeof(param));
141 p = skip_string(param,sizeof(param),p);
142 safe_strcpy_base(p,"", param,sizeof(param));
143 p = skip_string(param,sizeof(param),p);
144 SSVAL(p,0,job);
145 p += 2;
146
147 if (cli_api(cli,
148 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
149 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
150 &rparam, &rprcnt, /* return params, length */
151 &rdata, &rdrcnt)) { /* return data, length */
152 ret = SVAL(rparam,0);
153 }
154
155 SAFE_FREE(rparam);
156 SAFE_FREE(rdata);
157
158 return ret;
159}
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