xref: /openbsd/usr.bin/finger/lprint.c (revision df930be7)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #ifndef lint
38 /*static char sccsid[] = "from: @(#)lprint.c	5.13 (Berkeley) 10/31/90";*/
39 static char rcsid[] = "$Id: lprint.c,v 1.1.1.1 1995/10/18 08:45:14 deraadt Exp $";
40 #endif /* not lint */
41 
42 #include <sys/types.h>
43 #include <sys/file.h>
44 #include <sys/stat.h>
45 #include <sys/time.h>
46 #include <tzfile.h>
47 #include <stdio.h>
48 #include <string.h>
49 #include <ctype.h>
50 #include <paths.h>
51 #include "finger.h"
52 
53 #define	LINE_LEN	80
54 #define	TAB_LEN		8		/* 8 spaces between tabs */
55 #define	_PATH_PLAN	".plan"
56 #define	_PATH_PROJECT	".project"
57 
58 lflag_print()
59 {
60 	extern int pplan;
61 	register PERSON *pn;
62 
63 	for (pn = phead;;) {
64 		lprint(pn);
65 		if (!pplan) {
66 			(void)show_text(pn->dir, _PATH_PROJECT, "Project:");
67 			if (!show_text(pn->dir, _PATH_PLAN, "Plan:"))
68 				(void)printf("No Plan.\n");
69 		}
70 		if (!(pn = pn->next))
71 			break;
72 		putchar('\n');
73 	}
74 }
75 
76 lprint(pn)
77 	register PERSON *pn;
78 {
79 	extern time_t now;
80 	register struct tm *delta;
81 	register WHERE *w;
82 	register int cpr, len, maxlen;
83 	struct tm *tp;
84 	int oddfield;
85 	time_t time();
86 	char *t, *tzn, *prphone();
87 
88 	/*
89 	 * long format --
90 	 *	login name
91 	 *	real name
92 	 *	home directory
93 	 *	shell
94 	 *	office, office phone, home phone if available
95 	 */
96 	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
97 	    pn->name, pn->realname, pn->dir);
98 	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
99 
100 	/*
101 	 * try and print office, office phone, and home phone on one line;
102 	 * if that fails, do line filling so it looks nice.
103 	 */
104 #define	OFFICE_TAG		"Office"
105 #define	OFFICE_PHONE_TAG	"Office Phone"
106 	oddfield = 0;
107 	if (pn->office && pn->officephone &&
108 	    strlen(pn->office) + strlen(pn->officephone) +
109 	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
110 		(void)sprintf(tbuf, "%s: %s, %s", OFFICE_TAG, pn->office,
111 		    prphone(pn->officephone));
112 		oddfield = demi_print(tbuf, oddfield);
113 	} else {
114 		if (pn->office) {
115 			(void)sprintf(tbuf, "%s: %s", OFFICE_TAG, pn->office);
116 			oddfield = demi_print(tbuf, oddfield);
117 		}
118 		if (pn->officephone) {
119 			(void)sprintf(tbuf, "%s: %s", OFFICE_PHONE_TAG,
120 			    prphone(pn->officephone));
121 			oddfield = demi_print(tbuf, oddfield);
122 		}
123 	}
124 	if (pn->homephone) {
125 		(void)sprintf(tbuf, "%s: %s", "Home Phone",
126 		    prphone(pn->homephone));
127 		oddfield = demi_print(tbuf, oddfield);
128 	}
129 	if (oddfield)
130 		putchar('\n');
131 
132 	/*
133 	 * long format con't: * if logged in
134 	 *	terminal
135 	 *	idle time
136 	 *	if messages allowed
137 	 *	where logged in from
138 	 * if not logged in
139 	 *	when last logged in
140 	 */
141 	/* find out longest device name for this user for formatting */
142 	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
143 		if ((len = strlen(w->tty)) > maxlen)
144 			maxlen = len;
145 	/* find rest of entries for user */
146 	for (w = pn->whead; w != NULL; w = w->next) {
147 		switch (w->info) {
148 		case LOGGEDIN:
149 			tp = localtime(&w->loginat);
150 			t = asctime(tp);
151 			tzn = tp->tm_zone;
152 			cpr = printf("On since %.16s (%s) on %s",
153 			    t, tzn, w->tty);
154 			/*
155 			 * idle time is tough; if have one, print a comma,
156 			 * then spaces to pad out the device name, then the
157 			 * idle time.  Follow with a comma if a remote login.
158 			 */
159 			delta = gmtime(&w->idletime);
160 			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
161 				cpr += printf("%-*s idle ",
162 				    maxlen - strlen(w->tty) + 1, ",");
163 				if (delta->tm_yday > 0) {
164 					cpr += printf("%d day%s ",
165 					   delta->tm_yday,
166 					   delta->tm_yday == 1 ? "" : "s");
167 				}
168 				cpr += printf("%d:%02d",
169 				    delta->tm_hour, delta->tm_min);
170 				if (*w->host) {
171 					putchar(',');
172 					++cpr;
173 				}
174 			}
175 			if (!w->writable)
176 				cpr += printf(" (messages off)");
177 			break;
178 		case LASTLOG:
179 			if (w->loginat == 0) {
180 				(void)printf("Never logged in.");
181 				break;
182 			}
183 			tp = localtime(&w->loginat);
184 			t = asctime(tp);
185 			tzn = tp->tm_zone;
186 			if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2)
187 				cpr =
188 				    printf("Last login %.16s %.4s (%s) on %s",
189 				    t, t + 20, tzn, w->tty);
190 			else
191 				cpr = printf("Last login %.16s (%s) on %s",
192 				    t, tzn, w->tty);
193 			break;
194 		}
195 		if (*w->host) {
196 			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
197 				(void)printf("\n   ");
198 			(void)printf(" from %s", w->host);
199 		}
200 		putchar('\n');
201 	}
202 	if (pn->mailrecv == -1)
203 		printf("No Mail.\n");
204 	else if (pn->mailrecv > pn->mailread) {
205 		tp = localtime(&pn->mailrecv);
206 		t = asctime(tp);
207 		tzn = tp->tm_zone;
208 		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
209 		tp = localtime(&pn->mailread);
210 		t = asctime(tp);
211 		tzn = tp->tm_zone;
212 		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
213 	} else {
214 		tp = localtime(&pn->mailread);
215 		t = asctime(tp);
216 		tzn = tp->tm_zone;
217 		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
218 	}
219 }
220 
221 demi_print(str, oddfield)
222 	char *str;
223 	int oddfield;
224 {
225 	static int lenlast;
226 	int lenthis, maxlen;
227 
228 	lenthis = strlen(str);
229 	if (oddfield) {
230 		/*
231 		 * We left off on an odd number of fields.  If we haven't
232 		 * crossed the midpoint of the screen, and we have room for
233 		 * the next field, print it on the same line; otherwise,
234 		 * print it on a new line.
235 		 *
236 		 * Note: we insist on having the right hand fields start
237 		 * no less than 5 tabs out.
238 		 */
239 		maxlen = 5 * TAB_LEN;
240 		if (maxlen < lenlast)
241 			maxlen = lenlast;
242 		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
243 		    lenthis) <= LINE_LEN) {
244 			while(lenlast < (4 * TAB_LEN)) {
245 				putchar('\t');
246 				lenlast += TAB_LEN;
247 			}
248 			(void)printf("\t%s\n", str);	/* force one tab */
249 		} else {
250 			(void)printf("\n%s", str);	/* go to next line */
251 			oddfield = !oddfield;	/* this'll be undone below */
252 		}
253 	} else
254 		(void)printf("%s", str);
255 	oddfield = !oddfield;			/* toggle odd/even marker */
256 	lenlast = lenthis;
257 	return(oddfield);
258 }
259 
260 show_text(directory, file_name, header)
261 	char *directory, *file_name, *header;
262 {
263 	register int ch, lastc;
264 	register FILE *fp;
265 
266 	(void)sprintf(tbuf, "%s/%s", directory, file_name);
267 	if ((fp = fopen(tbuf, "r")) == NULL)
268 		return(0);
269 	(void)printf("%s\n", header);
270 	while ((ch = getc(fp)) != EOF)
271 		vputc(lastc = ch);
272 	if (lastc != '\n')
273 		(void)putchar('\n');
274 	(void)fclose(fp);
275 	return(1);
276 }
277 
278 vputc(ch)
279 	register int ch;
280 {
281 	int meta;
282 
283 	if (!isascii(ch)) {
284 		(void)putchar('M');
285 		(void)putchar('-');
286 		ch = toascii(ch);
287 		meta = 1;
288 	} else
289 		meta = 0;
290 	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
291 		(void)putchar(ch);
292 	else {
293 		(void)putchar('^');
294 		(void)putchar(ch == '\177' ? '?' : ch | 0100);
295 	}
296 }
297