getrequest.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.14	*/
32/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33
34#include "stdio.h"
35#include "string.h"
36#include "errno.h"
37#include "sys/types.h"
38#include "stdlib.h"
39
40#include "lp.h"
41#include "requests.h"
42
43extern struct {
44	char			*v;
45	short			len;
46}			reqheadings[];
47
48/**
49 ** getrequest() - EXTRACT REQUEST STRUCTURE FROM DISK FILE
50 **/
51
52REQUEST *
53#if	defined(__STDC__)
54getrequest (
55	char *			file
56)
57#else
58getrequest (file)
59	char			*file;
60#endif
61{
62	static REQUEST		reqbuf;
63
64	char			buf[BUFSIZ],
65				*path,
66				*p;
67
68	int fd;
69
70	int			fld;
71
72
73	/*
74	 * Full pathname? If so the file must lie in LP's
75	 * regular temporary directory.
76	 */
77	if (*file == '/') {
78		if (!STRNEQU(file, Lp_Tmp, strlen(Lp_Tmp))) {
79			errno = EINVAL;
80			return (0);
81		}
82		path = Strdup(file);
83
84	/*
85	 * A relative pathname (such as system/name)?
86	 * If so we'll locate it under LP's regular temporary
87	 * directory.
88	 */
89	} else if (strchr(file, '/')) {
90		if (!(path = makepath(Lp_Tmp, file, (char *)0)))
91			return (0);
92
93	/*
94	 * It must be a simple name. Locate this under the
95	 * special temporary directory that is linked to the
96	 * regular place for the local system.
97	 */
98	} else if (!(path = makepath(Lp_Temp, file, (char *)0)))
99		return (0);
100
101
102	if ((fd = open_locked(path, "r", 0)) < 0) {
103		Free (path);
104		return (0);
105	}
106	Free (path);
107
108	reqbuf.copies		= 1;
109	reqbuf.destination	= 0;
110	reqbuf.file_list	= 0;
111	reqbuf.form		= 0;
112	reqbuf.actions		= 0;
113	reqbuf.alert		= 0;
114	reqbuf.options		= 0;
115	reqbuf.priority		= -1;
116	reqbuf.pages		= 0;
117	reqbuf.charset		= 0;
118	reqbuf.modes		= 0;
119	reqbuf.title		= 0;
120	reqbuf.input_type	= 0;
121	reqbuf.user		= 0;
122	reqbuf.outcome		= 0;
123	reqbuf.version		= VERSION_OLD_LP;
124
125	errno = 0;
126	while (fdgets(buf, BUFSIZ, fd)) {
127
128		buf[strlen(buf) - 1] = 0;
129
130		for (fld = 0; fld < RQ_MAX; fld++)
131			if (
132				reqheadings[fld].v
133			     && reqheadings[fld].len
134			     && STRNEQU(
135					buf,
136					reqheadings[fld].v,
137					reqheadings[fld].len
138				)
139			) {
140				p = buf + reqheadings[fld].len;
141				break;
142			}
143
144		/*
145		 * To allow future extensions to not impact applications
146		 * using old versions of this routine, ignore strange
147		 * fields.
148		 */
149		if (fld >= RQ_MAX)
150			continue;
151
152		switch (fld) {
153
154		case RQ_COPIES:
155			reqbuf.copies = atoi(p);
156			break;
157
158		case RQ_DEST:
159			reqbuf.destination = Strdup(p);
160			break;
161
162		case RQ_FILE:
163			appendlist (&reqbuf.file_list, p);
164			break;
165
166		case RQ_FORM:
167			if (!STREQU(p, NAME_ANY))
168				reqbuf.form = Strdup(p);
169			break;
170
171		case RQ_HANDL:
172			if (STREQU(p, NAME_RESUME))
173				reqbuf.actions |= ACT_RESUME;
174			else if (STREQU(p, NAME_HOLD))
175				reqbuf.actions |= ACT_HOLD;
176			else if (STREQU(p, NAME_IMMEDIATE))
177				reqbuf.actions |= ACT_IMMEDIATE;
178			break;
179
180		case RQ_NOTIFY:
181			if (STREQU(p, "M"))
182				reqbuf.actions |= ACT_MAIL;
183			else if (STREQU(p, "W"))
184				reqbuf.actions |= ACT_WRITE;
185			else if (STREQU(p, "N"))
186				reqbuf.actions |= ACT_NOTIFY;
187			else
188				reqbuf.alert = Strdup(p);
189			break;
190
191		case RQ_OPTS:
192			reqbuf.options = Strdup(p);
193			break;
194
195		case RQ_PRIOR:
196			reqbuf.priority = atoi(p);
197			break;
198
199		case RQ_PAGES:
200			reqbuf.pages = Strdup(p);
201			break;
202
203		case RQ_CHARS:
204			if (!STREQU(p, NAME_ANY))
205				reqbuf.charset = Strdup(p);
206			break;
207
208		case RQ_TITLE:
209			reqbuf.title = Strdup(p);
210			break;
211
212		case RQ_MODES:
213			reqbuf.modes = Strdup(p);
214			break;
215
216		case RQ_TYPE:
217			reqbuf.input_type = Strdup(p);
218			break;
219
220		case RQ_USER:
221			reqbuf.user = Strdup(p);
222			break;
223
224		case RQ_RAW:
225			reqbuf.actions |= ACT_RAW;
226			break;
227
228		case RQ_FAST:
229			reqbuf.actions |= ACT_FAST;
230			break;
231
232		case RQ_STAT:
233			reqbuf.outcome = (ushort)strtol(p, (char **)0, 16);
234			break;
235
236		case RQ_VERSION:
237			reqbuf.version = atoi(p);
238			break;
239
240		}
241
242	}
243	if (errno != 0) {
244		int			save_errno = errno;
245
246		close(fd);
247		errno = save_errno;
248		return (0);
249	}
250	close(fd);
251
252	/*
253	 * Now go through the structure and see if we have
254	 * anything strange.
255	 */
256	if (
257		reqbuf.copies <= 0
258	     || !reqbuf.file_list || !*(reqbuf.file_list)
259	     || reqbuf.priority < -1 || 39 < reqbuf.priority
260	     || STREQU(reqbuf.input_type, NAME_ANY)
261	     || STREQU(reqbuf.input_type, NAME_TERMINFO)
262	) {
263		freerequest (&reqbuf);
264		errno = EBADF;
265		return (0);
266	}
267
268	/*
269	 * Guarantee some return values won't be null or empty.
270	 */
271	if (!reqbuf.destination || !*reqbuf.destination) {
272		if (reqbuf.destination)
273			Free (reqbuf.destination);
274		reqbuf.destination = Strdup(NAME_ANY);
275	}
276	if (!reqbuf.input_type || !*reqbuf.input_type) {
277		if (reqbuf.input_type)
278			Free (reqbuf.input_type);
279		reqbuf.input_type = Strdup(NAME_SIMPLE);
280	}
281
282	return (&reqbuf);
283}
284