1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. 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 #if 0
36 #ifndef lint
37 static char sccsid[] = "@(#)lprint.c 8.3 (Berkeley) 4/28/95";
38 #endif
39 #endif
40
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
43
44 #include <sys/types.h>
45 #include <sys/socket.h>
46 #include <sys/stat.h>
47 #include <sys/time.h>
48 #include <ctype.h>
49 #include <db.h>
50 #include <err.h>
51 #include <fcntl.h>
52 #include <langinfo.h>
53 #include <paths.h>
54 #include <pwd.h>
55 #include <stdio.h>
56 #include <string.h>
57 #include <unistd.h>
58 #include <utmpx.h>
59 #include "finger.h"
60 #include "pathnames.h"
61
62 #define LINE_LEN 80
63 #define TAB_LEN 8 /* 8 spaces between tabs */
64
65 static int demi_print(char *, int);
66 static void lprint(PERSON *);
67 static void vputc(unsigned char);
68
69 void
lflag_print(void)70 lflag_print(void)
71 {
72 PERSON *pn;
73 int sflag, r;
74 PERSON *tmp;
75 DBT data, key;
76
77 for (sflag = R_FIRST;; sflag = R_NEXT) {
78 r = (*db->seq)(db, &key, &data, sflag);
79 if (r == -1)
80 err(1, "db seq");
81 if (r == 1)
82 break;
83 memmove(&tmp, data.data, sizeof tmp);
84 pn = tmp;
85 if (sflag != R_FIRST)
86 putchar('\n');
87 lprint(pn);
88 if (!pplan) {
89 (void)show_text(pn->dir,
90 _PATH_FORWARD, "Mail forwarded to");
91 (void)show_text(pn->dir, _PATH_PROJECT, "Project");
92 if (!show_text(pn->dir, _PATH_PLAN, "Plan"))
93 (void)printf("No Plan.\n");
94 (void)show_text(pn->dir,
95 _PATH_PUBKEY, "Public key");
96 }
97 }
98 }
99
100 static void
lprint(PERSON * pn)101 lprint(PERSON *pn)
102 {
103 struct tm *delta;
104 WHERE *w;
105 int cpr, len, maxlen;
106 struct tm *tp;
107 int oddfield;
108 char t[80];
109
110 if (d_first < 0)
111 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
112 /*
113 * long format --
114 * login name
115 * real name
116 * home directory
117 * shell
118 * office, office phone, home phone if available
119 * mail status
120 */
121 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
122 pn->name, pn->realname, pn->dir);
123 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
124
125 if (gflag)
126 goto no_gecos;
127 /*
128 * try and print office, office phone, and home phone on one line;
129 * if that fails, do line filling so it looks nice.
130 */
131 #define OFFICE_TAG "Office"
132 #define OFFICE_PHONE_TAG "Office Phone"
133 oddfield = 0;
134 if (pn->office && pn->officephone &&
135 strlen(pn->office) + strlen(pn->officephone) +
136 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
137 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s",
138 OFFICE_TAG, pn->office, prphone(pn->officephone));
139 oddfield = demi_print(tbuf, oddfield);
140 } else {
141 if (pn->office) {
142 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
143 OFFICE_TAG, pn->office);
144 oddfield = demi_print(tbuf, oddfield);
145 }
146 if (pn->officephone) {
147 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s",
148 OFFICE_PHONE_TAG, prphone(pn->officephone));
149 oddfield = demi_print(tbuf, oddfield);
150 }
151 }
152 if (pn->homephone) {
153 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone",
154 prphone(pn->homephone));
155 oddfield = demi_print(tbuf, oddfield);
156 }
157 if (oddfield)
158 putchar('\n');
159
160 no_gecos:
161 /*
162 * long format con't:
163 * if logged in
164 * terminal
165 * idle time
166 * if messages allowed
167 * where logged in from
168 * if not logged in
169 * when last logged in
170 */
171 /* find out longest device name for this user for formatting */
172 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
173 if ((len = strlen(w->tty)) > maxlen)
174 maxlen = len;
175 /* find rest of entries for user */
176 for (w = pn->whead; w != NULL; w = w->next) {
177 if (w->info == LOGGEDIN) {
178 tp = localtime(&w->loginat);
179 strftime(t, sizeof(t),
180 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)",
181 tp);
182 cpr = printf("On since %s on %s", t, w->tty);
183 /*
184 * idle time is tough; if have one, print a comma,
185 * then spaces to pad out the device name, then the
186 * idle time. Follow with a comma if a remote login.
187 */
188 delta = gmtime(&w->idletime);
189 if (w->idletime != -1 && (delta->tm_yday ||
190 delta->tm_hour || delta->tm_min)) {
191 cpr += printf("%-*s idle ",
192 maxlen - (int)strlen(w->tty) + 1, ",");
193 if (delta->tm_yday > 0) {
194 cpr += printf("%d day%s ",
195 delta->tm_yday,
196 delta->tm_yday == 1 ? "" : "s");
197 }
198 cpr += printf("%d:%02d",
199 delta->tm_hour, delta->tm_min);
200 if (*w->host) {
201 putchar(',');
202 ++cpr;
203 }
204 }
205 if (!w->writable)
206 cpr += printf(" (messages off)");
207 } else if (w->loginat == 0) {
208 cpr = printf("Never logged in.");
209 } else {
210 tp = localtime(&w->loginat);
211 if (now - w->loginat > 86400 * 365 / 2) {
212 strftime(t, sizeof(t),
213 d_first ? "%a %e %b %R %Y (%Z)" :
214 "%a %b %e %R %Y (%Z)",
215 tp);
216 } else {
217 strftime(t, sizeof(t),
218 d_first ? "%a %e %b %R (%Z)" :
219 "%a %b %e %R (%Z)",
220 tp);
221 }
222 cpr = printf("Last login %s on %s", t, w->tty);
223 }
224 if (*w->host) {
225 if (LINE_LEN < (cpr + 6 + strlen(w->host)))
226 (void)printf("\n ");
227 (void)printf(" from %s", w->host);
228 }
229 putchar('\n');
230 }
231 if (pn->mailrecv == -1)
232 printf("No Mail.\n");
233 else if (pn->mailrecv > pn->mailread) {
234 tp = localtime(&pn->mailrecv);
235 strftime(t, sizeof(t),
236 d_first ? "%a %e %b %R %Y (%Z)" :
237 "%a %b %e %R %Y (%Z)",
238 tp);
239 printf("New mail received %s\n", t);
240 tp = localtime(&pn->mailread);
241 strftime(t, sizeof(t),
242 d_first ? "%a %e %b %R %Y (%Z)" :
243 "%a %b %e %R %Y (%Z)",
244 tp);
245 printf(" Unread since %s\n", t);
246 } else {
247 tp = localtime(&pn->mailread);
248 strftime(t, sizeof(t),
249 d_first ? "%a %e %b %R %Y (%Z)" :
250 "%a %b %e %R %Y (%Z)",
251 tp);
252 printf("Mail last read %s\n", t);
253 }
254 }
255
256 static int
demi_print(char * str,int oddfield)257 demi_print(char *str, int oddfield)
258 {
259 static int lenlast;
260 int lenthis, maxlen;
261
262 lenthis = strlen(str);
263 if (oddfield) {
264 /*
265 * We left off on an odd number of fields. If we haven't
266 * crossed the midpoint of the screen, and we have room for
267 * the next field, print it on the same line; otherwise,
268 * print it on a new line.
269 *
270 * Note: we insist on having the right hand fields start
271 * no less than 5 tabs out.
272 */
273 maxlen = 5 * TAB_LEN;
274 if (maxlen < lenlast)
275 maxlen = lenlast;
276 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
277 lenthis) <= LINE_LEN) {
278 while(lenlast < (4 * TAB_LEN)) {
279 putchar('\t');
280 lenlast += TAB_LEN;
281 }
282 (void)printf("\t%s\n", str); /* force one tab */
283 } else {
284 (void)printf("\n%s", str); /* go to next line */
285 oddfield = !oddfield; /* this'll be undone below */
286 }
287 } else
288 (void)printf("%s", str);
289 oddfield = !oddfield; /* toggle odd/even marker */
290 lenlast = lenthis;
291 return(oddfield);
292 }
293
294 int
show_text(const char * directory,const char * file_name,const char * header)295 show_text(const char *directory, const char *file_name, const char *header)
296 {
297 struct stat sb;
298 FILE *fp;
299 int ch, cnt;
300 char *p, lastc;
301 int fd, nr;
302
303 lastc = '\0';
304
305 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name);
306 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) ||
307 sb.st_size == 0)
308 return(0);
309
310 /* If short enough, and no newlines, show it on a single line.*/
311 if (sb.st_size <= (off_t)(LINE_LEN - strlen(header) - 5)) {
312 nr = read(fd, tbuf, sizeof(tbuf));
313 if (nr <= 0) {
314 (void)close(fd);
315 return(0);
316 }
317 for (p = tbuf, cnt = nr; cnt--; ++p)
318 if (*p == '\n')
319 break;
320 if (cnt <= 1) {
321 if (*header != '\0')
322 (void)printf("%s: ", header);
323 for (p = tbuf, cnt = nr; cnt--; ++p)
324 if (*p != '\r')
325 vputc(lastc = *p);
326 if (lastc != '\n')
327 (void)putchar('\n');
328 (void)close(fd);
329 return(1);
330 }
331 else
332 (void)lseek(fd, 0L, SEEK_SET);
333 }
334 if ((fp = fdopen(fd, "r")) == NULL)
335 return(0);
336 if (*header != '\0')
337 (void)printf("%s:\n", header);
338 while ((ch = getc(fp)) != EOF)
339 if (ch != '\r')
340 vputc(lastc = ch);
341 if (lastc != '\n')
342 (void)putchar('\n');
343 (void)fclose(fp);
344 return(1);
345 }
346
347 static void
vputc(unsigned char ch)348 vputc(unsigned char ch)
349 {
350 int meta;
351
352 if (!isprint(ch) && !isascii(ch)) {
353 (void)putchar('M');
354 (void)putchar('-');
355 ch = toascii(ch);
356 meta = 1;
357 } else
358 meta = 0;
359 if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n')))
360 (void)putchar(ch);
361 else {
362 (void)putchar('^');
363 (void)putchar(ch == '\177' ? '?' : ch | 0100);
364 }
365 }
366