xref: /original-bsd/usr.bin/finger/lprint.c (revision fb01e633)
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  * %sccs.include.redist.c%
9  */
10 
11 #ifndef lint
12 static char sccsid[] = "@(#)lprint.c	5.14 (Berkeley) 07/27/91";
13 #endif /* not lint */
14 
15 #include <sys/types.h>
16 #include <sys/file.h>
17 #include <sys/stat.h>
18 #include <sys/time.h>
19 #include <tzfile.h>
20 #include <stdio.h>
21 #include <ctype.h>
22 #include <paths.h>
23 #include "finger.h"
24 
25 #define	LINE_LEN	80
26 #define	TAB_LEN		8		/* 8 spaces between tabs */
27 #define	_PATH_FORWARD	".forward"
28 #define	_PATH_PLAN	".plan"
29 #define	_PATH_PROJECT	".project"
30 
31 lflag_print()
32 {
33 	extern int pplan;
34 	register PERSON *pn;
35 
36 	for (pn = phead;;) {
37 		lprint(pn);
38 		if (!pplan) {
39 			(void)show_text(pn->dir,
40 			    _PATH_FORWARD, "Mail forwarded to");
41 			(void)show_text(pn->dir, _PATH_PROJECT, "Project");
42 			if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
43 				(void)printf("No Plan.\n");
44 		}
45 		if (!(pn = pn->next))
46 			break;
47 		putchar('\n');
48 	}
49 }
50 
51 lprint(pn)
52 	register PERSON *pn;
53 {
54 	extern time_t now;
55 	register struct tm *delta;
56 	register WHERE *w;
57 	register int cpr, len, maxlen;
58 	struct tm *tp;
59 	int oddfield;
60 	time_t time();
61 	char *t, *tzn, *prphone();
62 
63 	/*
64 	 * long format --
65 	 *	login name
66 	 *	real name
67 	 *	home directory
68 	 *	shell
69 	 *	office, office phone, home phone if available
70 	 */
71 	(void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
72 	    pn->name, pn->realname, pn->dir);
73 	(void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
74 
75 	/*
76 	 * try and print office, office phone, and home phone on one line;
77 	 * if that fails, do line filling so it looks nice.
78 	 */
79 #define	OFFICE_TAG		"Office"
80 #define	OFFICE_PHONE_TAG	"Office Phone"
81 	oddfield = 0;
82 	if (pn->office && pn->officephone &&
83 	    strlen(pn->office) + strlen(pn->officephone) +
84 	    sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
85 		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
86 		    OFFICE_TAG, pn->office, prphone(pn->officephone));
87 		oddfield = demi_print(tbuf, oddfield);
88 	} else {
89 		if (pn->office) {
90 			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
91 			    OFFICE_TAG, pn->office);
92 			oddfield = demi_print(tbuf, oddfield);
93 		}
94 		if (pn->officephone) {
95 			(void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
96 			    OFFICE_PHONE_TAG, prphone(pn->officephone));
97 			oddfield = demi_print(tbuf, oddfield);
98 		}
99 	}
100 	if (pn->homephone) {
101 		(void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
102 		    prphone(pn->homephone));
103 		oddfield = demi_print(tbuf, oddfield);
104 	}
105 	if (oddfield)
106 		putchar('\n');
107 
108 	/*
109 	 * long format con't: * if logged in
110 	 *	terminal
111 	 *	idle time
112 	 *	if messages allowed
113 	 *	where logged in from
114 	 * if not logged in
115 	 *	when last logged in
116 	 */
117 	/* find out longest device name for this user for formatting */
118 	for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
119 		if ((len = strlen(w->tty)) > maxlen)
120 			maxlen = len;
121 	/* find rest of entries for user */
122 	for (w = pn->whead; w != NULL; w = w->next) {
123 		switch (w->info) {
124 		case LOGGEDIN:
125 			tp = localtime(&w->loginat);
126 			t = asctime(tp);
127 			tzn = tp->tm_zone;
128 			cpr = printf("On since %.16s (%s) on %s",
129 			    t, tzn, w->tty);
130 			/*
131 			 * idle time is tough; if have one, print a comma,
132 			 * then spaces to pad out the device name, then the
133 			 * idle time.  Follow with a comma if a remote login.
134 			 */
135 			delta = gmtime(&w->idletime);
136 			if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
137 				cpr += printf("%-*s idle ",
138 				    maxlen - strlen(w->tty) + 1, ",");
139 				if (delta->tm_yday > 0) {
140 					cpr += printf("%d day%s ",
141 					   delta->tm_yday,
142 					   delta->tm_yday == 1 ? "" : "s");
143 				}
144 				cpr += printf("%d:%02d",
145 				    delta->tm_hour, delta->tm_min);
146 				if (*w->host) {
147 					putchar(',');
148 					++cpr;
149 				}
150 			}
151 			if (!w->writable)
152 				cpr += printf(" (messages off)");
153 			break;
154 		case LASTLOG:
155 			if (w->loginat == 0) {
156 				(void)printf("Never logged in.");
157 				break;
158 			}
159 			tp = localtime(&w->loginat);
160 			t = asctime(tp);
161 			tzn = tp->tm_zone;
162 			if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2)
163 				cpr =
164 				    printf("Last login %.16s %.4s (%s) on %s",
165 				    t, t + 20, tzn, w->tty);
166 			else
167 				cpr = printf("Last login %.16s (%s) on %s",
168 				    t, tzn, w->tty);
169 			break;
170 		}
171 		if (*w->host) {
172 			if (LINE_LEN < (cpr + 6 + strlen(w->host)))
173 				(void)printf("\n   ");
174 			(void)printf(" from %s", w->host);
175 		}
176 		putchar('\n');
177 	}
178 }
179 
180 demi_print(str, oddfield)
181 	char *str;
182 	int oddfield;
183 {
184 	static int lenlast;
185 	int lenthis, maxlen;
186 
187 	lenthis = strlen(str);
188 	if (oddfield) {
189 		/*
190 		 * We left off on an odd number of fields.  If we haven't
191 		 * crossed the midpoint of the screen, and we have room for
192 		 * the next field, print it on the same line; otherwise,
193 		 * print it on a new line.
194 		 *
195 		 * Note: we insist on having the right hand fields start
196 		 * no less than 5 tabs out.
197 		 */
198 		maxlen = 5 * TAB_LEN;
199 		if (maxlen < lenlast)
200 			maxlen = lenlast;
201 		if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
202 		    lenthis) <= LINE_LEN) {
203 			while(lenlast < (4 * TAB_LEN)) {
204 				putchar('\t');
205 				lenlast += TAB_LEN;
206 			}
207 			(void)printf("\t%s\n", str);	/* force one tab */
208 		} else {
209 			(void)printf("\n%s", str);	/* go to next line */
210 			oddfield = !oddfield;	/* this'll be undone below */
211 		}
212 	} else
213 		(void)printf("%s", str);
214 	oddfield = !oddfield;			/* toggle odd/even marker */
215 	lenlast = lenthis;
216 	return(oddfield);
217 }
218 
219 show_text(directory, file_name, header)
220 	char *directory, *file_name, *header;
221 {
222 	struct stat sb;
223 	register FILE *fp;
224 	register int ch, cnt, lastc;
225 	register char *p;
226 	int fd, nr;
227 
228 	(void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
229 	if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
230 	    sb.st_size == 0)
231 		return(0);
232 
233 	/* If short enough, and no newlines, show it on a single line.*/
234 	if (sb.st_size <= LINE_LEN - strlen(header) - 5) {
235 		nr = read(fd, tbuf, sizeof(tbuf));
236 		if (nr <= 0) {
237 			(void)close(fd);
238 			return(0);
239 		}
240 		for (p = tbuf, cnt = nr; cnt--; ++p)
241 			if (*p == '\n')
242 				break;
243 		if (cnt <= 1) {
244 			(void)printf("%s: ", header);
245 			for (p = tbuf, cnt = nr; cnt--; ++p)
246 				vputc(lastc = *p);
247 			if (lastc != '\n')
248 				(void)putchar('\n');
249 			(void)close(fd);
250 			return(1);
251 		}
252 		else
253 			(void)lseek(fd, 0L, SEEK_SET);
254 	}
255 	if ((fp = fdopen(fd, "r")) == NULL)
256 		return(0);
257 	(void)printf("%s:\n", header);
258 	while ((ch = getc(fp)) != EOF)
259 		vputc(lastc = ch);
260 	if (lastc != '\n')
261 		(void)putchar('\n');
262 	(void)fclose(fp);
263 	return(1);
264 }
265 
266 vputc(ch)
267 	register int ch;
268 {
269 	int meta;
270 
271 	if (!isascii(ch)) {
272 		(void)putchar('M');
273 		(void)putchar('-');
274 		ch = toascii(ch);
275 		meta = 1;
276 	} else
277 		meta = 0;
278 	if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
279 		(void)putchar(ch);
280 	else {
281 		(void)putchar('^');
282 		(void)putchar(ch == '\177' ? '?' : ch | 0100);
283 	}
284 }
285