xref: /openbsd-src/usr.bin/finger/lprint.c (revision 2b0358df1d88d06ef4139321dd05bd5e05d91eaf)
1 /*	$OpenBSD: lprint.c,v 1.9 2005/08/23 13:43:53 espie Exp $	*/
2 
3 /*
4  * Copyright (c) 1989 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef lint
36 /*static char sccsid[] = "from: @(#)lprint.c	5.13 (Berkeley) 10/31/90";*/
37 static const char rcsid[] = "$OpenBSD: lprint.c,v 1.9 2005/08/23 13:43:53 espie Exp $";
38 #endif /* not lint */
39 
40 #include <sys/types.h>
41 #include <sys/file.h>
42 #include <sys/stat.h>
43 #include <sys/time.h>
44 #include <tzfile.h>
45 #include <stdio.h>
46 #include <string.h>
47 #include <time.h>
48 #include <ctype.h>
49 #include <paths.h>
50 #include <vis.h>
51 #include "finger.h"
52 #include "extern.h"
53 
54 #define	LINE_LEN	80
55 #define	TAB_LEN		8		/* 8 spaces between tabs */
56 #define	_PATH_PLAN	".plan"
57 #define	_PATH_PROJECT	".project"
58 
59 void
60 lflag_print(void)
61 {
62 	PERSON *pn;
63 
64 	for (pn = phead;;) {
65 		lprint(pn);
66 		if (!pplan) {
67 			(void)show_text(pn->dir, _PATH_PROJECT, "Project:");
68 			if (!show_text(pn->dir, _PATH_PLAN, "Plan:"))
69 				(void)printf("No Plan.\n");
70 		}
71 		if (!(pn = pn->next))
72 			break;
73 		putchar('\n');
74 	}
75 }
76 
77 void
78 lprint(PERSON *pn)
79 {
80 	struct tm *delta;
81 	WHERE *w;
82 	int cpr, len, maxlen;
83 	struct tm *tp;
84 	int oddfield;
85 	char *t, *tzn;
86 	struct storage *mem = NULL;
87 
88 	cpr = 0;
89 	/*
90 	 * long format --
91 	 *	login name
92 	 *	real name
93 	 *	home directory
94 	 *	shell
95 	 *	office, office phone, home phone if available
96 	 *	mail status
97 	 */
98 	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
99 	    vs(&mem, pn->name), vs(&mem, pn->realname), pn->dir);
100 	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
101 
102 	/*
103 	 * try and print office, office phone, and home phone on one line;
104 	 * if that fails, do line filling so it looks nice.
105 	 */
106 #define	OFFICE_TAG		"Office"
107 #define	OFFICE_PHONE_TAG	"Office Phone"
108 	oddfield = 0;
109 	if (pn->office && pn->officephone &&
110 	    strlen(pn->office) + strlen(pn->officephone) +
111 	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
112 		(void)snprintf(tbuf, sizeof(tbuf),
113 		    "%s: %s, %s", OFFICE_TAG, vs(&mem, pn->office),
114 		    vs(&mem, prphone(pn->officephone)));
115 		oddfield = demi_print(tbuf, oddfield);
116 	} else {
117 		if (pn->office) {
118 			(void)snprintf(tbuf, sizeof(tbuf),
119 			    "%s: %s", OFFICE_TAG, vs(&mem, pn->office));
120 			oddfield = demi_print(tbuf, oddfield);
121 		}
122 		if (pn->officephone) {
123 			(void)snprintf(tbuf, sizeof(tbuf),
124 			    "%s: %s", OFFICE_PHONE_TAG,
125 			    vs(&mem, prphone(pn->officephone)));
126 			oddfield = demi_print(tbuf, oddfield);
127 		}
128 	}
129 	if (pn->homephone) {
130 		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
131 		    vs(&mem, prphone(pn->homephone)));
132 		oddfield = demi_print(tbuf, oddfield);
133 	}
134 	free_storage(mem);
135 	if (oddfield)
136 		putchar('\n');
137 
138 	/*
139 	 * long format con't:
140 	 * if logged in
141 	 *	terminal
142 	 *	idle time
143 	 *	if messages allowed
144 	 *	where logged in from
145 	 * if not logged in
146 	 *	when last logged in
147 	 */
148 	/* find out longest device name for this user for formatting */
149 	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
150 		if ((len = strlen(w->tty)) > maxlen)
151 			maxlen = len;
152 	/* find rest of entries for user */
153 	for (w = pn->whead; w != NULL; w = w->next) {
154 		switch (w->info) {
155 		case LOGGEDIN:
156 			tp = localtime(&w->loginat);
157 			t = asctime(tp);
158 			tzn = tp->tm_zone;
159 			cpr = printf("On since %.16s (%s) on %s",
160 			    t, tzn, w->tty);
161 			/*
162 			 * idle time is tough; if have one, print a comma,
163 			 * then spaces to pad out the device name, then the
164 			 * idle time.  Follow with a comma if a remote login.
165 			 */
166 			delta = gmtime(&w->idletime);
167 			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
168 				cpr += printf("%-*s idle ",
169 				    (int)(maxlen - strlen(w->tty) + 1), ",");
170 				if (delta->tm_yday > 0) {
171 					cpr += printf("%d day%s ",
172 					   delta->tm_yday,
173 					   delta->tm_yday == 1 ? "" : "s");
174 				}
175 				cpr += printf("%d:%02d",
176 				    delta->tm_hour, delta->tm_min);
177 				if (*w->host) {
178 					putchar(',');
179 					++cpr;
180 				}
181 			}
182 			if (!w->writable)
183 				cpr += printf(" (messages off)");
184 			break;
185 		case LASTLOG:
186 			if (w->loginat == 0) {
187 				(void)printf("Never logged in.");
188 				break;
189 			}
190 			tp = localtime(&w->loginat);
191 			t = asctime(tp);
192 			tzn = tp->tm_zone;
193 			if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2)
194 				cpr =
195 				    printf("Last login %.16s %.4s (%s) on %s",
196 				    t, t + 20, tzn, w->tty);
197 			else
198 				cpr = printf("Last login %.16s (%s) on %s",
199 				    t, tzn, w->tty);
200 			break;
201 		}
202 		if (*w->host) {
203 			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
204 				(void)printf("\n   ");
205 			(void)printf(" from %s", w->host);
206 		}
207 		putchar('\n');
208 	}
209 	if (pn->mailrecv == -1)
210 		printf("No Mail.\n");
211 	else if (pn->mailrecv > pn->mailread) {
212 		tp = localtime(&pn->mailrecv);
213 		t = asctime(tp);
214 		tzn = tp->tm_zone;
215 		printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
216 		tp = localtime(&pn->mailread);
217 		t = asctime(tp);
218 		tzn = tp->tm_zone;
219 		printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
220 	} else {
221 		tp = localtime(&pn->mailread);
222 		t = asctime(tp);
223 		tzn = tp->tm_zone;
224 		printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
225 	}
226 }
227 
228 int
229 demi_print(char *str, int oddfield)
230 {
231 	static int lenlast;
232 	int lenthis, maxlen;
233 
234 	lenthis = strlen(str);
235 	if (oddfield) {
236 		/*
237 		 * We left off on an odd number of fields.  If we haven't
238 		 * crossed the midpoint of the screen, and we have room for
239 		 * the next field, print it on the same line; otherwise,
240 		 * print it on a new line.
241 		 *
242 		 * Note: we insist on having the right hand fields start
243 		 * no less than 5 tabs out.
244 		 */
245 		maxlen = 5 * TAB_LEN;
246 		if (maxlen < lenlast)
247 			maxlen = lenlast;
248 		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
249 		    lenthis) <= LINE_LEN) {
250 			while(lenlast < (4 * TAB_LEN)) {
251 				putchar('\t');
252 				lenlast += TAB_LEN;
253 			}
254 			(void)printf("\t%s\n", str);	/* force one tab */
255 		} else {
256 			(void)printf("\n%s", str);	/* go to next line */
257 			oddfield = !oddfield;	/* this'll be undone below */
258 		}
259 	} else
260 		(void)printf("%s", str);
261 	oddfield = !oddfield;			/* toggle odd/even marker */
262 	lenlast = lenthis;
263 	return (oddfield);
264 }
265 
266 int
267 show_text(char *directory, char *file_name, char *header)
268 {
269 	int ch, lastc;
270 	FILE *fp;
271 
272 	lastc = 0;
273 	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
274 	if ((fp = fopen(tbuf, "r")) == NULL)
275 		return (0);
276 	(void)printf("%s\n", header);
277 	while ((ch = getc(fp)) != EOF)
278 		vputc(lastc = ch);
279 	if (lastc != '\n')
280 		(void)putchar('\n');
281 	(void)fclose(fp);
282 	return (1);
283 }
284 
285 void
286 vputc(int ch)
287 {
288 	char visout[5], *s2;
289 
290 	ch = toascii(ch);
291 	vis(visout, ch, VIS_SAFE|VIS_NOSLASH, 0);
292 	for (s2 = visout; *s2; s2++)
293 		(void)putchar(*s2);
294 }
295