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 #include "../libcli/smb/smbXcli_base.h"
24
25 /*****************************************************************************
26 Convert a character pointer in a cli_call_api() response to a form we can use.
27 This function contains code to prevent core dumps if the server returns
28 invalid data.
29 *****************************************************************************/
fix_char_ptr(unsigned int datap,unsigned int converter,char * rdata,int rdrcnt)30 static const char *fix_char_ptr(unsigned int datap, unsigned int converter,
31 char *rdata, int rdrcnt)
32 {
33 unsigned int offset;
34
35 if (datap == 0) {
36 /* turn NULL pointers into zero length strings */
37 return "";
38 }
39
40 offset = datap - converter;
41
42 if (offset >= rdrcnt) {
43 DEBUG(1,("bad char ptr: datap=%u, converter=%u rdrcnt=%d>",
44 datap, converter, rdrcnt));
45 return "<ERROR>";
46 }
47 return &rdata[offset];
48 }
49
50 /****************************************************************************
51 call fn() on each entry in a print queue
52 ****************************************************************************/
53
cli_print_queue(struct cli_state * cli,void (* fn)(struct print_job_info *))54 int cli_print_queue(struct cli_state *cli,
55 void (*fn)(struct print_job_info *))
56 {
57 char *rparam = NULL;
58 char *rdata = NULL;
59 char *p;
60 unsigned int rdrcnt, rprcnt;
61 char param[1024];
62 int result_code=0;
63 int i = -1;
64
65 memset(param,'\0',sizeof(param));
66
67 p = param;
68 SSVAL(p,0,76); /* API function number 76 (DosPrintJobEnum) */
69 p += 2;
70 strlcpy_base(p,"zWrLeh", param, sizeof(param)); /* parameter description? */
71 p = skip_string(param,sizeof(param),p);
72 strlcpy_base(p,"WWzWWDDzz", param, sizeof(param)); /* returned data format */
73 p = skip_string(param,sizeof(param),p);
74 strlcpy_base(p,cli->share, param, sizeof(param)); /* name of queue */
75 p = skip_string(param,sizeof(param),p);
76 SSVAL(p,0,2); /* API function level 2, PRJINFO_2 data structure */
77 SSVAL(p,2,1000); /* size of bytes of returned data buffer */
78 p += 4;
79 strlcpy_base(p,"", param,sizeof(param)); /* subformat */
80 p = skip_string(param,sizeof(param),p);
81
82 DEBUG(4,("doing cli_print_queue for %s\n", cli->share));
83
84 if (cli_api(cli,
85 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
86 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
87 &rparam, &rprcnt, /* return params, length */
88 &rdata, &rdrcnt)) { /* return data, length */
89 int converter;
90 result_code = SVAL(rparam,0);
91 converter = SVAL(rparam,2); /* conversion factor */
92
93 if (result_code == 0) {
94 struct print_job_info job;
95
96 p = rdata;
97
98 for (i = 0; i < SVAL(rparam,4); ++i) {
99 job.id = SVAL(p,0);
100 job.priority = SVAL(p,2);
101 fstrcpy(job.user,
102 fix_char_ptr(SVAL(p,4), converter,
103 rdata, rdrcnt));
104 job.t = make_unix_date3(
105 p + 12, smb1cli_conn_server_time_zone(cli->conn));
106 job.size = IVAL(p,16);
107 fstrcpy(job.name,fix_char_ptr(SVAL(p,24),
108 converter,
109 rdata, rdrcnt));
110 fn(&job);
111 p += 28;
112 }
113 }
114 }
115
116 /* If any parameters or data were returned, free the storage. */
117 SAFE_FREE(rparam);
118 SAFE_FREE(rdata);
119
120 return i;
121 }
122
123 /****************************************************************************
124 cancel a print job
125 ****************************************************************************/
126
cli_printjob_del(struct cli_state * cli,int job)127 int cli_printjob_del(struct cli_state *cli, int job)
128 {
129 char *rparam = NULL;
130 char *rdata = NULL;
131 char *p;
132 unsigned int rdrcnt,rprcnt;
133 int ret = -1;
134 char param[1024];
135
136 memset(param,'\0',sizeof(param));
137
138 p = param;
139 SSVAL(p,0,81); /* DosPrintJobDel() */
140 p += 2;
141 strlcpy_base(p,"W", param,sizeof(param));
142 p = skip_string(param,sizeof(param),p);
143 strlcpy_base(p,"", param,sizeof(param));
144 p = skip_string(param,sizeof(param),p);
145 SSVAL(p,0,job);
146 p += 2;
147
148 if (cli_api(cli,
149 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
150 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
151 &rparam, &rprcnt, /* return params, length */
152 &rdata, &rdrcnt)) { /* return data, length */
153 ret = SVAL(rparam,0);
154 }
155
156 SAFE_FREE(rparam);
157 SAFE_FREE(rdata);
158
159 return ret;
160 }
161