xref: /titanic_41/usr/src/cmd/lp/model/netpr/bsd_misc.c (revision 022ba35cdbb5905f91897d5ebec60427a5bc8a16)
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <libintl.h>
32 #include <signal.h>
33 #include <errno.h>
34 #include <string.h>
35 #include <syslog.h>
36 #include "netpr.h"
37 #include "netdebug.h"
38 
39 static int job_primitive(np_bsdjob_t *, char, char *);
40 static int create_cfA_file(np_bsdjob_t *);
41 static char *create_cfname(np_bsdjob_t *);
42 static char *create_dfname(np_bsdjob_t *);
43 extern char data_file_type;
44 
45 np_bsdjob_t *
create_bsd_job(np_job_t * injob,int pr_order,int filesize)46 create_bsd_job(np_job_t *injob, int pr_order, int filesize)
47 {
48 
49 	np_bsdjob_t *job;
50 	char *id;
51 	int x;
52 	np_data_t *jobdata;
53 
54 	if ((injob->request_id == NULL) || (injob->username == NULL) ||
55 	    (injob->dest == NULL) || (injob->printer ==  NULL)) {
56 		return (NULL);
57 	}
58 
59 	job = (np_bsdjob_t *)malloc(sizeof (np_bsdjob_t));
60 	ASSERT(job, MALLOC_ERR);
61 	(void) memset(job, 0, sizeof (np_bsdjob_t));
62 	job->np_printer = "auto";	/* default "queue" */
63 	/*
64 	 * request-id comes in as printer-number
65 	 * pull apart to create number
66 	 */
67 	if ((id = strrchr(injob->request_id, (int)'-')) == NULL) {
68 		(void) fprintf(stderr,
69 		gettext("Netpr: request_id in unknown format:<%s>\n"),
70 			injob->request_id);
71 		syslog(LOG_DEBUG, "request id in unknown format: %s",
72 			injob->request_id);
73 		return (NULL);
74 	}
75 
76 	id++;
77 
78 	/*
79 	 * 4261563 - A ID collides with an existing one, it plus
80 	 * 1,000 with the ID causes breaking
81 	 * Max job id for bsd is 999.
82 	 */
83 	job->np_request_id = malloc(4);
84 	ASSERT(job->np_request_id, MALLOC_ERR);
85 	errno = 0;
86 	x = atoi(id);
87 	if ((errno != 0) || (x < 0)) {
88 		x = 0;
89 	}
90 	(void) snprintf(job->np_request_id, (size_t)4,
91 	    "%.3d", x % 1000);
92 
93 	/* seperate the user/host from host!user or user@host */
94 	if ((id = strchr(injob->username, '@')) != NULL) {
95 		*id++ = '\0';
96 		job->np_username = strdup(injob->username);
97 		job->np_host = strdup(id);
98 		*--id = '@';
99 	} else if ((id = strrchr(injob->username, '!')) != NULL) {
100 		*id++ = '\0';
101 		job->np_username = strdup(id);
102 		job->np_host = strdup(injob->username);
103 		*--id = '!';
104 	} else {
105 		syslog(LOG_DEBUG, "using localhost for user %s",
106 			injob->username);
107 		job->np_username = strdup(injob->username);
108 		job->np_host = strdup("localhost");
109 	}
110 
111 	job->np_printer = injob->printer;
112 	job->np_filename = injob->filename;
113 
114 	job->np_df_letter = 'A';
115 
116 	/* build cfAfilename: (cfA)(np_request_id)(np_host) */
117 	if ((job->np_cfAfilename = create_cfname(job)) == NULL) {
118 		(void) fprintf(stderr,
119 			gettext("Netpr: System error creating cfAfilename\n"));
120 			syslog(LOG_DEBUG, "System error creating cfAfilename");
121 		return (NULL);
122 	}
123 
124 	job->np_timeout = injob->timeout;
125 	job->np_banner = injob->banner;
126 	job->np_print_order = pr_order;
127 
128 	if (injob->title == NULL)
129 		job->np_title = injob->filename;
130 	else
131 		job->np_title = injob->title;
132 
133 	if ((create_cfA_file(job)) == -1) {
134 		(void) fprintf(stderr,
135 		gettext("Netpr: Cannot create bsd control file\n"));
136 		syslog(LOG_DEBUG, "Cannot create bsd control file");
137 		return (NULL);
138 	}
139 
140 	/* Now we have a title, add to the control file */
141 	if (injob->banner == BANNER) {
142 		(void) job_primitive(job, 'C', job->np_host);
143 		(void) job_primitive(job, 'J', job->np_title);
144 		(void) job_primitive(job, 'L', job->np_username);
145 	}
146 
147 
148 	/* create dfname for this file */
149 
150 	/* allocate the jobdata and initialize what we have so far */
151 	jobdata = malloc(sizeof (np_data_t));
152 	ASSERT(jobdata, MALLOC_ERR);
153 	(void) memset(jobdata, 0, sizeof (np_data_t));
154 
155 	jobdata->np_path_file = malloc(strlen(job->np_filename) + 1);
156 	ASSERT(jobdata->np_path_file, MALLOC_ERR);
157 	(void) strcpy(jobdata->np_path_file, job->np_filename);
158 
159 	jobdata->np_data_size = filesize;
160 
161 	if ((jobdata->np_dfAfilename = create_dfname(job)) == NULL) {
162 		return (NULL);
163 	}
164 
165 	/*
166 	 * data_file_type should contain the RFC-1179 control file message
167 	 * type for the control file.  The is is set via the "-f" option
168 	 * to netpr, which get it from the "destination-full-control-file-type"
169 	 * option passed in.  Normally this will be either 'l' or 'f'.
170 	 */
171 	if (data_file_type != 0) {
172 		(void) job_primitive(job, data_file_type,
173 				jobdata->np_dfAfilename);
174 		(void) job_primitive(job, 'U', jobdata->np_dfAfilename);
175 		(void) job_primitive(job, 'N', "print-data");
176 	}
177 
178 	syslog(LOG_DEBUG, "data file info: %s", job->np_cfAfile);
179 
180 	/*
181 	 * attach np_data to bsdjob
182 	 */
183 	job->np_data = jobdata;
184 
185 	return (job);
186 }
187 
188 
189 /*
190  * Create df<x>name for this file
191  * df<X><nnn><hostname>
192  */
193 static char *
create_dfname(np_bsdjob_t * job)194 create_dfname(np_bsdjob_t *job)
195 {
196 	char *dfname;
197 
198 	if (job == NULL)
199 		return (NULL);
200 
201 	/* Trying to print too many files */
202 	if (job->np_df_letter > 'z') {
203 		errno = ENFILE;
204 		return (NULL);
205 	}
206 
207 	dfname = (char *)malloc(strlen(job->np_host) + 3 + 3 + 1);
208 	ASSERT(dfname, MALLOC_ERR);
209 	(void) memset(dfname, 0, strlen(job->np_host) + 3 + 3 + 1);
210 	(void) sprintf(dfname, "%s%c%s%s", "df", job->np_df_letter,
211 	    job->np_request_id, job->np_host);
212 
213 	/* udate np_df_letter for the next caller */
214 	job->np_df_letter += 1;
215 	if ((job->np_df_letter > 'Z') && (job->np_df_letter < 'a'))
216 		job->np_df_letter = 'a';
217 
218 	return (dfname);
219 }
220 
221 static char *
create_cfname(np_bsdjob_t * job)222 create_cfname(np_bsdjob_t *job)
223 {
224 	char *cfname;
225 
226 	if (job == NULL)
227 		return (NULL);
228 
229 	cfname = (char *)malloc(strlen(job->np_host) + 3 + 3 + 1);
230 	ASSERT(cfname, MALLOC_ERR);
231 	(void) memset(cfname, 0, strlen(job->np_host) + 3 + 3 + 1);
232 	(void) sprintf(cfname, "%s%s%s", "cfA",
233 	job->np_request_id, job->np_host);
234 	return (cfname);
235 }
236 
237 static int
create_cfA_file(np_bsdjob_t * job)238 create_cfA_file(np_bsdjob_t *job)
239 {
240 	/*
241 	 * Read through job structure, creating entries
242 	 * in control file as appropriate
243 	 */
244 	if ((job->np_host == NULL) || (job->np_username == NULL)) {
245 		(void) fprintf(stderr, gettext(
246 		"Netpr: Missing required data, cannot build control file\n"));
247 		return (-1);
248 	}
249 	(void) job_primitive(job, 'H', job->np_host);
250 	(void) job_primitive(job, 'P', job->np_username);
251 
252 	return (0);
253 }
254 
255 static int
job_primitive(np_bsdjob_t * job,char option,char * value)256 job_primitive(np_bsdjob_t *job, char option, char *value)
257 {
258 	char buf[BUFSIZ];
259 
260 	if ((job == NULL) || (value == NULL))
261 		return (-1);
262 
263 	job->np_cfAfilesize += strlen(value) + 2; /* (opt)(value)\n */
264 	if (job->np_cfAfile == NULL) {
265 		/* Always allocate one greater than cfAfilesize for the \0 */
266 		job->np_cfAfile = calloc(1, job->np_cfAfilesize + 1);
267 		ASSERT(job->np_cfAfile, MALLOC_ERR);
268 	} else {
269 		job->np_cfAfile = realloc(job->np_cfAfile,
270 			job->np_cfAfilesize + 1);
271 		ASSERT(job->np_cfAfile, REALLOC_ERR);
272 	}
273 	(void) snprintf(buf, sizeof (buf),  "%c%s\n", option, value);
274 	(void) strcat(job->np_cfAfile, buf);
275 	syslog(LOG_DEBUG, "adding: %d %s", job->np_cfAfilesize, buf);
276 
277 	return (0);
278 }
279