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 * @(#)lprint.c 8.3 (Berkeley) 4/28/95 37 * $FreeBSD: src/usr.bin/finger/lprint.c,v 1.10.2.4 2002/07/03 01:14:24 des Exp $ 38 * $DragonFly: src/usr.bin/finger/lprint.c,v 1.3 2003/10/04 20:36:44 hmp Exp $ 39 */ 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <sys/time.h> 44 #include <ctype.h> 45 #include <db.h> 46 #include <err.h> 47 #include <fcntl.h> 48 #include <langinfo.h> 49 #include <paths.h> 50 #include <pwd.h> 51 #include <stdio.h> 52 #include <string.h> 53 #include <unistd.h> 54 #include <utmp.h> 55 #include "finger.h" 56 #include "pathnames.h" 57 #include "extern.h" 58 59 #define LINE_LEN 80 60 #define TAB_LEN 8 /* 8 spaces between tabs */ 61 62 static int demi_print(char *, int); 63 static void lprint(PERSON *); 64 static void vputc(unsigned char); 65 66 void 67 lflag_print(void) 68 { 69 extern int pplan; 70 PERSON *pn; 71 int sflag, r; 72 PERSON *tmp; 73 DBT data, key; 74 75 for (sflag = R_FIRST;; sflag = R_NEXT) { 76 r = (*db->seq)(db, &key, &data, sflag); 77 if (r == -1) 78 err(1, "db seq"); 79 if (r == 1) 80 break; 81 memmove(&tmp, data.data, sizeof tmp); 82 pn = tmp; 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 (void)show_text(pn->dir, 93 _PATH_PUBKEY, "Public key"); 94 } 95 } 96 } 97 98 static void 99 lprint(PERSON *pn) 100 { 101 extern time_t now; 102 struct tm *delta; 103 WHERE *w; 104 int cpr, len, maxlen; 105 struct tm *tp; 106 int oddfield; 107 char t[80]; 108 109 if (d_first < 0) 110 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 111 /* 112 * long format -- 113 * login name 114 * real name 115 * home directory 116 * shell 117 * office, office phone, home phone if available 118 * mail status 119 */ 120 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 121 pn->name, pn->realname, pn->dir); 122 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 123 124 if (gflag) 125 goto no_gecos; 126 /* 127 * try and print office, office phone, and home phone on one line; 128 * if that fails, do line filling so it looks nice. 129 */ 130 #define OFFICE_TAG "Office" 131 #define OFFICE_PHONE_TAG "Office Phone" 132 oddfield = 0; 133 if (pn->office && pn->officephone && 134 strlen(pn->office) + strlen(pn->officephone) + 135 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 136 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 137 OFFICE_TAG, pn->office, prphone(pn->officephone)); 138 oddfield = demi_print(tbuf, oddfield); 139 } else { 140 if (pn->office) { 141 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 142 OFFICE_TAG, pn->office); 143 oddfield = demi_print(tbuf, oddfield); 144 } 145 if (pn->officephone) { 146 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 147 OFFICE_PHONE_TAG, prphone(pn->officephone)); 148 oddfield = demi_print(tbuf, oddfield); 149 } 150 } 151 if (pn->homephone) { 152 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 153 prphone(pn->homephone)); 154 oddfield = demi_print(tbuf, oddfield); 155 } 156 if (oddfield) 157 putchar('\n'); 158 159 no_gecos: 160 /* 161 * long format con't: 162 * if logged in 163 * terminal 164 * idle time 165 * if messages allowed 166 * where logged in from 167 * if not logged in 168 * when last logged in 169 */ 170 /* find out longest device name for this user for formatting */ 171 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 172 if ((len = strlen(w->tty)) > maxlen) 173 maxlen = len; 174 /* find rest of entries for user */ 175 for (w = pn->whead; w != NULL; w = w->next) { 176 if (w->info == LOGGEDIN) { 177 tp = localtime(&w->loginat); 178 strftime(t, sizeof(t), 179 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 180 tp); 181 cpr = printf("On since %s on %s", t, w->tty); 182 /* 183 * idle time is tough; if have one, print a comma, 184 * then spaces to pad out the device name, then the 185 * idle time. Follow with a comma if a remote login. 186 */ 187 delta = gmtime(&w->idletime); 188 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 189 cpr += printf("%-*s idle ", 190 maxlen - (int)strlen(w->tty) + 1, ","); 191 if (delta->tm_yday > 0) { 192 cpr += printf("%d day%s ", 193 delta->tm_yday, 194 delta->tm_yday == 1 ? "" : "s"); 195 } 196 cpr += printf("%d:%02d", 197 delta->tm_hour, delta->tm_min); 198 if (*w->host) { 199 putchar(','); 200 ++cpr; 201 } 202 } 203 if (!w->writable) 204 cpr += printf(" (messages off)"); 205 } else if (w->loginat == 0) { 206 cpr = printf("Never logged in."); 207 } else { 208 tp = localtime(&w->loginat); 209 if (now - w->loginat > 86400 * 365 / 2) { 210 strftime(t, sizeof(t), 211 d_first ? "%a %e %b %R %Y (%Z)" : 212 "%a %b %e %R %Y (%Z)", 213 tp); 214 } else { 215 strftime(t, sizeof(t), 216 d_first ? "%a %e %b %R (%Z)" : 217 "%a %b %e %R (%Z)", 218 tp); 219 } 220 cpr = printf("Last login %s on %s", t, w->tty); 221 } 222 if (*w->host) { 223 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 224 (void)printf("\n "); 225 (void)printf(" from %s", w->host); 226 } 227 putchar('\n'); 228 } 229 if (pn->mailrecv == -1) 230 printf("No Mail.\n"); 231 else if (pn->mailrecv > pn->mailread) { 232 tp = localtime(&pn->mailrecv); 233 strftime(t, sizeof(t), 234 d_first ? "%a %e %b %R %Y (%Z)" : 235 "%a %b %e %R %Y (%Z)", 236 tp); 237 printf("New mail received %s\n", t); 238 tp = localtime(&pn->mailread); 239 strftime(t, sizeof(t), 240 d_first ? "%a %e %b %R %Y (%Z)" : 241 "%a %b %e %R %Y (%Z)", 242 tp); 243 printf(" Unread since %s\n", t); 244 } else { 245 tp = localtime(&pn->mailread); 246 strftime(t, sizeof(t), 247 d_first ? "%a %e %b %R %Y (%Z)" : 248 "%a %b %e %R %Y (%Z)", 249 tp); 250 printf("Mail last read %s\n", t); 251 } 252 } 253 254 static int 255 demi_print(char *str, int oddfield) 256 { 257 static int lenlast; 258 int lenthis, maxlen; 259 260 lenthis = strlen(str); 261 if (oddfield) { 262 /* 263 * We left off on an odd number of fields. If we haven't 264 * crossed the midpoint of the screen, and we have room for 265 * the next field, print it on the same line; otherwise, 266 * print it on a new line. 267 * 268 * Note: we insist on having the right hand fields start 269 * no less than 5 tabs out. 270 */ 271 maxlen = 5 * TAB_LEN; 272 if (maxlen < lenlast) 273 maxlen = lenlast; 274 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 275 lenthis) <= LINE_LEN) { 276 while(lenlast < (4 * TAB_LEN)) { 277 putchar('\t'); 278 lenlast += TAB_LEN; 279 } 280 (void)printf("\t%s\n", str); /* force one tab */ 281 } else { 282 (void)printf("\n%s", str); /* go to next line */ 283 oddfield = !oddfield; /* this'll be undone below */ 284 } 285 } else 286 (void)printf("%s", str); 287 oddfield = !oddfield; /* toggle odd/even marker */ 288 lenlast = lenthis; 289 return(oddfield); 290 } 291 292 int 293 show_text(const char *directory, const char *file_name, const char *header) 294 { 295 struct stat sb; 296 FILE *fp; 297 int ch, cnt; 298 char *p, lastc; 299 int fd, nr; 300 301 lastc = '\0'; 302 303 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 304 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 305 sb.st_size == 0) 306 return(0); 307 308 /* If short enough, and no newlines, show it on a single line.*/ 309 if (sb.st_size <= LINE_LEN - strlen(header) - 5) { 310 nr = read(fd, tbuf, sizeof(tbuf)); 311 if (nr <= 0) { 312 (void)close(fd); 313 return(0); 314 } 315 for (p = tbuf, cnt = nr; cnt--; ++p) 316 if (*p == '\n') 317 break; 318 if (cnt <= 1) { 319 if (*header != '\0') 320 (void)printf("%s: ", header); 321 for (p = tbuf, cnt = nr; cnt--; ++p) 322 if (*p != '\r') 323 vputc(lastc = *p); 324 if (lastc != '\n') 325 (void)putchar('\n'); 326 (void)close(fd); 327 return(1); 328 } 329 else 330 (void)lseek(fd, 0L, SEEK_SET); 331 } 332 if ((fp = fdopen(fd, "r")) == NULL) 333 return(0); 334 if (*header != '\0') 335 (void)printf("%s:\n", header); 336 while ((ch = getc(fp)) != EOF) 337 if (ch != '\r') 338 vputc(lastc = ch); 339 if (lastc != '\n') 340 (void)putchar('\n'); 341 (void)fclose(fp); 342 return(1); 343 } 344 345 static void 346 vputc(unsigned char ch) 347 { 348 int meta; 349 350 if (!isprint(ch) && !isascii(ch)) { 351 (void)putchar('M'); 352 (void)putchar('-'); 353 ch = toascii(ch); 354 meta = 1; 355 } else 356 meta = 0; 357 if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) 358 (void)putchar(ch); 359 else { 360 (void)putchar('^'); 361 (void)putchar(ch == '\177' ? '?' : ch | 0100); 362 } 363 } 364