1 /* $NetBSD: lprint.c,v 1.22 2009/04/12 06:18:54 lukem Exp $ */ 2 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 #include <sys/cdefs.h> 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)lprint.c 8.3 (Berkeley) 4/28/95"; 39 #else 40 __RCSID( "$NetBSD: lprint.c,v 1.22 2009/04/12 06:18:54 lukem Exp $"); 41 #endif 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 #include <sys/stat.h> 46 #include <sys/time.h> 47 #include <fcntl.h> 48 #include <tzfile.h> 49 #include <db.h> 50 #include <err.h> 51 #include <pwd.h> 52 #include <errno.h> 53 #include <unistd.h> 54 #include <stdio.h> 55 #include <string.h> 56 #include <time.h> 57 #include <ctype.h> 58 #include <paths.h> 59 #include <vis.h> 60 61 #include "utmpentry.h" 62 #include "finger.h" 63 #include "extern.h" 64 65 #define LINE_LEN 80 66 #define TAB_LEN 8 /* 8 spaces between tabs */ 67 #define _PATH_FORWARD ".forward" 68 #define _PATH_PLAN ".plan" 69 #define _PATH_PROJECT ".project" 70 71 static int demi_print(const char *, int); 72 static void lprint(PERSON *); 73 static int show_text(const char *, const char *, const char *); 74 static void vputc(int); 75 76 #ifdef __SVR4 77 #define TIMEZONE(a) tzname[0] 78 #else 79 #define TIMEZONE(a) (a)->tm_zone 80 #endif 81 82 void 83 lflag_print(void) 84 { 85 PERSON *pn; 86 int sflag, r; 87 PERSON *tmp; 88 DBT data, key; 89 90 if (db == NULL) 91 return; 92 93 for (sflag = R_FIRST;; sflag = R_NEXT) { 94 r = (*db->seq)(db, &key, &data, sflag); 95 if (r == -1) 96 err(1, "db seq"); 97 if (r == 1) 98 break; 99 memmove(&tmp, data.data, sizeof tmp); 100 pn = tmp; 101 if (sflag != R_FIRST) 102 putchar('\n'); 103 lprint(pn); 104 if (!pplan) { 105 (void)show_text(pn->dir, 106 _PATH_FORWARD, "Mail forwarded to"); 107 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 108 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 109 (void)printf("No Plan.\n"); 110 } 111 } 112 } 113 114 static void 115 lprint(PERSON *pn) 116 { 117 struct tm *delta; 118 WHERE *w; 119 int cpr, len, maxlen; 120 struct tm *tp; 121 int oddfield; 122 char *t; 123 const char *tzn; 124 125 cpr = 0; 126 /* 127 * long format -- 128 * login name 129 * real name 130 * home directory 131 * shell 132 * office, office phone, home phone if available 133 * mail status 134 */ 135 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 136 pn->name, pn->realname, pn->dir); 137 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 138 139 if (gflag) 140 goto no_gecos; 141 /* 142 * try and print office, office phone, and home phone on one line; 143 * if that fails, do line filling so it looks nice. 144 */ 145 #define OFFICE_TAG "Office" 146 #define OFFICE_PHONE_TAG "Office Phone" 147 oddfield = 0; 148 if (pn->office && pn->officephone && 149 strlen(pn->office) + strlen(pn->officephone) + 150 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 151 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 152 OFFICE_TAG, pn->office, prphone(pn->officephone)); 153 oddfield = demi_print(tbuf, oddfield); 154 } else { 155 if (pn->office) { 156 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 157 OFFICE_TAG, pn->office); 158 oddfield = demi_print(tbuf, oddfield); 159 } 160 if (pn->officephone) { 161 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 162 OFFICE_PHONE_TAG, prphone(pn->officephone)); 163 oddfield = demi_print(tbuf, oddfield); 164 } 165 } 166 if (pn->homephone) { 167 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 168 prphone(pn->homephone)); 169 oddfield = demi_print(tbuf, oddfield); 170 } 171 if (oddfield) 172 putchar('\n'); 173 174 no_gecos: 175 /* 176 * long format con't: 177 * if logged in 178 * terminal 179 * idle time 180 * if messages allowed 181 * where logged in from 182 * if not logged in 183 * when last logged in 184 */ 185 /* find out longest device name for this user for formatting */ 186 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 187 if ((len = strlen(w->tty)) > maxlen) 188 maxlen = len; 189 /* find rest of entries for user */ 190 for (w = pn->whead; w != NULL; w = w->next) { 191 switch (w->info) { 192 case LOGGEDIN: 193 tp = localtime(&w->loginat); 194 t = asctime(tp); 195 tzn = TIMEZONE(tp); 196 cpr = printf("On since %.16s (%s) on %s", 197 t, tzn, w->tty); 198 /* 199 * idle time is tough; if have one, print a comma, 200 * then spaces to pad out the device name, then the 201 * idle time. Follow with a comma if a remote login. 202 */ 203 delta = gmtime(&w->idletime); 204 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 205 cpr += printf("%-*s idle ", 206 (int)(maxlen - strlen(w->tty) + 1), ","); 207 if (delta->tm_yday > 0) { 208 cpr += printf("%d day%s ", 209 delta->tm_yday, 210 delta->tm_yday == 1 ? "" : "s"); 211 } 212 cpr += printf("%d:%02d", 213 delta->tm_hour, delta->tm_min); 214 if (*w->host) { 215 putchar(','); 216 ++cpr; 217 } 218 } 219 if (!w->writable) 220 cpr += printf(" (messages off)"); 221 break; 222 case LASTLOG: 223 if (w->loginat == 0) { 224 (void)printf("Never logged in."); 225 break; 226 } 227 tp = localtime(&w->loginat); 228 t = asctime(tp); 229 tzn = TIMEZONE(tp); 230 if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2) 231 cpr = 232 printf("Last login %.16s %.4s (%s) on %s", 233 t, t + 20, tzn, w->tty); 234 else 235 cpr = printf("Last login %.16s (%s) on %s", 236 t, tzn, w->tty); 237 break; 238 } 239 if (*w->host) { 240 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 241 (void)printf("\n "); 242 (void)printf(" from %s", w->host); 243 } 244 putchar('\n'); 245 } 246 if (pn->mailrecv == -1) 247 printf("No Mail.\n"); 248 else if (pn->mailrecv > pn->mailread) { 249 tp = localtime(&pn->mailrecv); 250 t = asctime(tp); 251 tzn = TIMEZONE(tp); 252 printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn); 253 tp = localtime(&pn->mailread); 254 t = asctime(tp); 255 tzn = TIMEZONE(tp); 256 printf(" Unread since %.16s %.4s (%s)\n", t, t + 20, tzn); 257 } else { 258 tp = localtime(&pn->mailread); 259 t = asctime(tp); 260 tzn = TIMEZONE(tp); 261 printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn); 262 } 263 } 264 265 static int 266 demi_print(const char *str, int oddfield) 267 { 268 static int lenlast; 269 int lenthis, maxlen; 270 271 lenthis = strlen(str); 272 if (oddfield) { 273 /* 274 * We left off on an odd number of fields. If we haven't 275 * crossed the midpoint of the screen, and we have room for 276 * the next field, print it on the same line; otherwise, 277 * print it on a new line. 278 * 279 * Note: we insist on having the right hand fields start 280 * no less than 5 tabs out. 281 */ 282 maxlen = 5 * TAB_LEN; 283 if (maxlen < lenlast) 284 maxlen = lenlast; 285 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 286 lenthis) <= LINE_LEN) { 287 while(lenlast < (4 * TAB_LEN)) { 288 putchar('\t'); 289 lenlast += TAB_LEN; 290 } 291 (void)printf("\t%s\n", str); /* force one tab */ 292 } else { 293 (void)printf("\n%s", str); /* go to next line */ 294 oddfield = !oddfield; /* this'll be undone below */ 295 } 296 } else 297 (void)printf("%s", str); 298 oddfield = !oddfield; /* toggle odd/even marker */ 299 lenlast = lenthis; 300 return(oddfield); 301 } 302 303 static int 304 show_text(const char *directory, const char *file_name, const char *header) 305 { 306 struct stat sb; 307 FILE *fp; 308 int ch, cnt, lastc; 309 char *p; 310 int fd, nr; 311 312 lastc = 0; 313 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 314 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 315 sb.st_size == 0) 316 return(0); 317 318 /* If short enough, and no newlines, show it on a single line.*/ 319 if (sb.st_size <= (off_t)(LINE_LEN - strlen(header) - 5)) { 320 nr = read(fd, tbuf, sizeof(tbuf)); 321 if (nr <= 0) { 322 (void)close(fd); 323 return(0); 324 } 325 for (p = tbuf, cnt = nr; cnt--; ++p) 326 if (*p == '\n') 327 break; 328 if (cnt <= 1) { 329 (void)printf("%s: ", header); 330 for (p = tbuf, cnt = nr; cnt--; ++p) 331 vputc(lastc = (unsigned char)*p); 332 if (lastc != '\n') 333 (void)putchar('\n'); 334 (void)close(fd); 335 return(1); 336 } 337 else 338 (void)lseek(fd, 0L, SEEK_SET); 339 } 340 if ((fp = fdopen(fd, "r")) == NULL) 341 return(0); 342 (void)printf("%s:\n", header); 343 while ((ch = getc(fp)) != EOF) 344 vputc(lastc = ch); 345 if (lastc != '\n') 346 (void)putchar('\n'); 347 (void)fclose(fp); 348 return(1); 349 } 350 351 static void 352 vputc(int ch) 353 { 354 char visout[5], *s2; 355 356 if (eightflag || isprint(ch) || isspace(ch)) { 357 (void)putchar(ch); 358 return; 359 } 360 ch = toascii(ch); 361 vis(visout, ch, VIS_SAFE|VIS_NOSLASH, 0); 362 for (s2 = visout; *s2; s2++) 363 (void)putchar(*s2); 364 } 365