lprint.c revision 9994
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. 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 38static char sccsid[] = "@(#)lprint.c 8.1 (Berkeley) 6/6/93"; 39#endif /* not lint */ 40 41#include <sys/types.h> 42#include <sys/stat.h> 43#include <sys/time.h> 44#include <fcntl.h> 45#include <time.h> 46#include <db.h> 47#include <pwd.h> 48#include <utmp.h> 49#include <errno.h> 50#include <unistd.h> 51#include <stdio.h> 52#include <ctype.h> 53#include <string.h> 54#include <paths.h> 55#include "finger.h" 56 57#define LINE_LEN 80 58#define TAB_LEN 8 /* 8 spaces between tabs */ 59#define _PATH_FORWARD ".forward" 60#define _PATH_PLAN ".plan" 61#define _PATH_PROJECT ".project" 62 63static int demi_print __P((char *, int)); 64static void lprint __P((PERSON *)); 65static int show_text __P((char *, char *, char *)); 66static void vputc __P((int)); 67 68void 69lflag_print() 70{ 71 extern int pplan; 72 register PERSON *pn; 73 register int sflag, r; 74 DBT data, key; 75 76 for (sflag = R_FIRST;; sflag = R_NEXT) { 77 r = (*db->seq)(db, &key, &data, sflag); 78 if (r == -1) 79 err("db seq: %s", strerror(errno)); 80 if (r == 1) 81 break; 82 pn = *(PERSON **)data.data; 83 if (sflag != R_FIRST) 84 putchar('\n'); 85 lprint(pn); 86 if (!pplan) { 87 (void)show_text(pn->dir, 88 _PATH_FORWARD, "Mail forwarded to"); 89 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 90 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 91 (void)printf("No Plan.\n"); 92 } 93 } 94} 95 96static void 97lprint(pn) 98 register PERSON *pn; 99{ 100 extern time_t now; 101 register struct tm *delta; 102 register WHERE *w; 103 register int cpr, len, maxlen; 104 struct tm *tp; 105 int oddfield; 106 char *tzn; 107 char t[80]; 108 109 /* 110 * long format -- 111 * login name 112 * real name 113 * home directory 114 * shell 115 * office, office phone, home phone if available 116 * mail status 117 */ 118 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 119 pn->name, pn->realname, pn->dir); 120 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 121 122 /* 123 * try and print office, office phone, and home phone on one line; 124 * if that fails, do line filling so it looks nice. 125 */ 126#define OFFICE_TAG "Office" 127#define OFFICE_PHONE_TAG "Office Phone" 128 oddfield = 0; 129 if (pn->office && pn->officephone && 130 strlen(pn->office) + strlen(pn->officephone) + 131 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 132 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 133 OFFICE_TAG, pn->office, prphone(pn->officephone)); 134 oddfield = demi_print(tbuf, oddfield); 135 } else { 136 if (pn->office) { 137 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 138 OFFICE_TAG, pn->office); 139 oddfield = demi_print(tbuf, oddfield); 140 } 141 if (pn->officephone) { 142 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 143 OFFICE_PHONE_TAG, prphone(pn->officephone)); 144 oddfield = demi_print(tbuf, oddfield); 145 } 146 } 147 if (pn->homephone) { 148 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 149 prphone(pn->homephone)); 150 oddfield = demi_print(tbuf, oddfield); 151 } 152 if (oddfield) 153 putchar('\n'); 154 155 /* 156 * long format con't: 157 * if logged in 158 * terminal 159 * idle time 160 * if messages allowed 161 * where logged in from 162 * if not logged in 163 * when last logged in 164 */ 165 /* find out longest device name for this user for formatting */ 166 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 167 if ((len = strlen(w->tty)) > maxlen) 168 maxlen = len; 169 /* find rest of entries for user */ 170 for (w = pn->whead; w != NULL; w = w->next) { 171 switch (w->info) { 172 case LOGGEDIN: 173 tp = localtime(&w->loginat); 174 strftime(t, sizeof(t), "%c", tp); 175 tzn = tp->tm_zone; 176 cpr = printf("On since %.16s (%s) on %s", 177 t, tzn, w->tty); 178 /* 179 * idle time is tough; if have one, print a comma, 180 * then spaces to pad out the device name, then the 181 * idle time. Follow with a comma if a remote login. 182 */ 183 delta = gmtime(&w->idletime); 184 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 185 cpr += printf("%-*s idle ", 186 maxlen - strlen(w->tty) + 1, ","); 187 if (delta->tm_yday > 0) { 188 cpr += printf("%d day%s ", 189 delta->tm_yday, 190 delta->tm_yday == 1 ? "" : "s"); 191 } 192 cpr += printf("%d:%02d", 193 delta->tm_hour, delta->tm_min); 194 if (*w->host) { 195 putchar(','); 196 ++cpr; 197 } 198 } 199 if (!w->writable) 200 cpr += printf(" (messages off)"); 201 break; 202 case LASTLOG: 203 if (w->loginat == 0) { 204 (void)printf("Never logged in."); 205 break; 206 } 207 tp = localtime(&w->loginat); 208 strftime(t, sizeof(t), "%c", tp); 209 tzn = tp->tm_zone; 210 if (now - w->loginat > 86400 * 365 / 2) 211 cpr = 212 printf("Last login %.16s %.4s (%s) on %s", 213 t, t + 20, tzn, w->tty); 214 else 215 cpr = printf("Last login %.16s (%s) on %s", 216 t, tzn, w->tty); 217 break; 218 } 219 if (*w->host) { 220 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 221 (void)printf("\n "); 222 (void)printf(" from %s", w->host); 223 } 224 putchar('\n'); 225 } 226 if (pn->mailrecv == -1) 227 printf("No Mail.\n"); 228 else if (pn->mailrecv > pn->mailread) { 229 tp = localtime(&pn->mailrecv); 230 strftime(t, sizeof(t), "%c", tp); 231 tzn = tp->tm_zone; 232 printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn); 233 tp = localtime(&pn->mailread); 234 strftime(t, sizeof(t), "%c", tp); 235 tzn = tp->tm_zone; 236 printf(" Unread since %.16s %.4s (%s)\n", t, t + 20, tzn); 237 } else { 238 tp = localtime(&pn->mailread); 239 strftime(t, sizeof(t), "%c", tp); 240 tzn = tp->tm_zone; 241 printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn); 242 } 243} 244 245static int 246demi_print(str, oddfield) 247 char *str; 248 int oddfield; 249{ 250 static int lenlast; 251 int lenthis, maxlen; 252 253 lenthis = strlen(str); 254 if (oddfield) { 255 /* 256 * We left off on an odd number of fields. If we haven't 257 * crossed the midpoint of the screen, and we have room for 258 * the next field, print it on the same line; otherwise, 259 * print it on a new line. 260 * 261 * Note: we insist on having the right hand fields start 262 * no less than 5 tabs out. 263 */ 264 maxlen = 5 * TAB_LEN; 265 if (maxlen < lenlast) 266 maxlen = lenlast; 267 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 268 lenthis) <= LINE_LEN) { 269 while(lenlast < (4 * TAB_LEN)) { 270 putchar('\t'); 271 lenlast += TAB_LEN; 272 } 273 (void)printf("\t%s\n", str); /* force one tab */ 274 } else { 275 (void)printf("\n%s", str); /* go to next line */ 276 oddfield = !oddfield; /* this'll be undone below */ 277 } 278 } else 279 (void)printf("%s", str); 280 oddfield = !oddfield; /* toggle odd/even marker */ 281 lenlast = lenthis; 282 return(oddfield); 283} 284 285static int 286show_text(directory, file_name, header) 287 char *directory, *file_name, *header; 288{ 289 struct stat sb; 290 register FILE *fp; 291 register int ch, cnt, lastc; 292 register char *p; 293 int fd, nr; 294 295 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 296 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 297 sb.st_size == 0) 298 return(0); 299 300 /* If short enough, and no newlines, show it on a single line.*/ 301 if (sb.st_size <= LINE_LEN - strlen(header) - 5) { 302 nr = read(fd, tbuf, sizeof(tbuf)); 303 if (nr <= 0) { 304 (void)close(fd); 305 return(0); 306 } 307 for (p = tbuf, cnt = nr; cnt--; ++p) 308 if (*p == '\n') 309 break; 310 if (cnt <= 1) { 311 (void)printf("%s: ", header); 312 for (p = tbuf, cnt = nr; cnt--; ++p) 313 vputc(lastc = *p); 314 if (lastc != '\n') 315 (void)putchar('\n'); 316 (void)close(fd); 317 return(1); 318 } 319 else 320 (void)lseek(fd, 0L, SEEK_SET); 321 } 322 if ((fp = fdopen(fd, "r")) == NULL) 323 return(0); 324 (void)printf("%s:\n", header); 325 while ((ch = getc(fp)) != EOF) 326 vputc(lastc = ch); 327 if (lastc != '\n') 328 (void)putchar('\n'); 329 (void)fclose(fp); 330 return(1); 331} 332 333static void 334vputc(ch) 335 register int ch; 336{ 337 int meta; 338 339 if (!isprint(ch) && !isascii(ch)) { 340 (void)putchar('M'); 341 (void)putchar('-'); 342 ch = toascii(ch); 343 meta = 1; 344 } else 345 meta = 0; 346 if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n')) 347 (void)putchar(ch); 348 else { 349 (void)putchar('^'); 350 (void)putchar(ch == '\177' ? '?' : ch | 0100); 351 } 352} 353