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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 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"
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 
43 extern struct {
44 	char			*v;
45 	short			len;
46 }			reqheadings[];
47 
48 /**
49  ** getrequest() - EXTRACT REQUEST STRUCTURE FROM DISK FILE
50  **/
51 
52 REQUEST *
53 #if	defined(__STDC__)
getrequest(char * file)54 getrequest (
55 	char *			file
56 )
57 #else
58 getrequest (file)
59 	char			*file;
60 #endif
61 {
62 	REQUEST		*reqp;
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 	reqp = calloc(sizeof (*reqp), 1);
109 	reqp->copies		= 1;
110 	reqp->priority		= -1;
111 
112 	errno = 0;
113 	while (fdgets(buf, BUFSIZ, fd)) {
114 
115 		buf[strlen(buf) - 1] = 0;
116 
117 		for (fld = 0; fld < RQ_MAX; fld++)
118 			if (
119 				reqheadings[fld].v
120 			     && reqheadings[fld].len
121 			     && STRNEQU(
122 					buf,
123 					reqheadings[fld].v,
124 					reqheadings[fld].len
125 				)
126 			) {
127 				p = buf + reqheadings[fld].len;
128 				break;
129 			}
130 
131 		/*
132 		 * To allow future extensions to not impact applications
133 		 * using old versions of this routine, ignore strange
134 		 * fields.
135 		 */
136 		if (fld >= RQ_MAX)
137 			continue;
138 
139 		switch (fld) {
140 
141 		case RQ_COPIES:
142 			reqp->copies = atoi(p);
143 			break;
144 
145 		case RQ_DEST:
146 			reqp->destination = Strdup(p);
147 			break;
148 
149 		case RQ_FILE:
150 			appendlist (&reqp->file_list, p);
151 			break;
152 
153 		case RQ_FORM:
154 			if (!STREQU(p, NAME_ANY))
155 				reqp->form = Strdup(p);
156 			break;
157 
158 		case RQ_HANDL:
159 			if (STREQU(p, NAME_RESUME))
160 				reqp->actions |= ACT_RESUME;
161 			else if (STREQU(p, NAME_HOLD))
162 				reqp->actions |= ACT_HOLD;
163 			else if (STREQU(p, NAME_IMMEDIATE))
164 				reqp->actions |= ACT_IMMEDIATE;
165 			break;
166 
167 		case RQ_NOTIFY:
168 			if (STREQU(p, "M"))
169 				reqp->actions |= ACT_MAIL;
170 			else if (STREQU(p, "W"))
171 				reqp->actions |= ACT_WRITE;
172 			else if (STREQU(p, "N"))
173 				reqp->actions |= ACT_NOTIFY;
174 			else
175 				reqp->alert = Strdup(p);
176 			break;
177 
178 		case RQ_OPTS:
179 			reqp->options = Strdup(p);
180 			break;
181 
182 		case RQ_PRIOR:
183 			reqp->priority = atoi(p);
184 			break;
185 
186 		case RQ_PAGES:
187 			reqp->pages = Strdup(p);
188 			break;
189 
190 		case RQ_CHARS:
191 			if (!STREQU(p, NAME_ANY))
192 				reqp->charset = Strdup(p);
193 			break;
194 
195 		case RQ_TITLE:
196 			reqp->title = Strdup(p);
197 			break;
198 
199 		case RQ_MODES:
200 			reqp->modes = Strdup(p);
201 			break;
202 
203 		case RQ_TYPE:
204 			reqp->input_type = Strdup(p);
205 			break;
206 
207 		case RQ_USER:
208 			reqp->user = Strdup(p);
209 			break;
210 
211 		case RQ_RAW:
212 			reqp->actions |= ACT_RAW;
213 			break;
214 
215 		case RQ_FAST:
216 			reqp->actions |= ACT_FAST;
217 			break;
218 
219 		case RQ_STAT:
220 			reqp->outcome = (ushort)strtol(p, (char **)0, 16);
221 			break;
222 
223 		}
224 
225 	}
226 	if (errno != 0) {
227 		int			save_errno = errno;
228 
229 		close(fd);
230 		errno = save_errno;
231 		return (0);
232 	}
233 	close(fd);
234 
235 	/*
236 	 * Now go through the structure and see if we have
237 	 * anything strange.
238 	 */
239 	if (
240 		reqp->copies <= 0
241 	     || !reqp->file_list || !*(reqp->file_list)
242 	     || reqp->priority < -1 || 39 < reqp->priority
243 	     || STREQU(reqp->input_type, NAME_ANY)
244 	     || STREQU(reqp->input_type, NAME_TERMINFO)
245 	) {
246 		freerequest (reqp);
247 		errno = EBADF;
248 		return (0);
249 	}
250 
251 	/*
252 	 * Guarantee some return values won't be null or empty.
253 	 */
254 	if (!reqp->destination || !*reqp->destination) {
255 		if (reqp->destination)
256 			Free (reqp->destination);
257 		reqp->destination = Strdup(NAME_ANY);
258 	}
259 	if (!reqp->input_type || !*reqp->input_type) {
260 		if (reqp->input_type)
261 			Free (reqp->input_type);
262 		reqp->input_type = Strdup(NAME_SIMPLE);
263 	}
264 
265 	return (reqp);
266 }
267