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 1.4 2004/09/03 19:13:23 dillon Exp $ 39 */ 40 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 #include <sys/stat.h> 44 #include <sys/time.h> 45 #include <ctype.h> 46 #include <db.h> 47 #include <err.h> 48 #include <fcntl.h> 49 #include <langinfo.h> 50 #include <paths.h> 51 #include <pwd.h> 52 #include <stdio.h> 53 #include <string.h> 54 #include <unistd.h> 55 #include <utmp.h> 56 #include "finger.h" 57 #include "pathnames.h" 58 #include "extern.h" 59 60 #define LINE_LEN 80 61 #define TAB_LEN 8 /* 8 spaces between tabs */ 62 63 static int demi_print(char *, int); 64 static void lprint(PERSON *); 65 static void vputc(unsigned char); 66 67 void 68 lflag_print(void) 69 { 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 show_text(pn->dir, 88 _PATH_FORWARD, "Mail forwarded to"); 89 show_text(pn->dir, _PATH_PROJECT, "Project"); 90 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 91 (void)printf("No Plan.\n"); 92 show_text(pn->dir, 93 _PATH_PUBKEY, "Public key"); 94 } 95 } 96 } 97 98 static void 99 lprint(PERSON *pn) 100 { 101 struct tm *delta; 102 WHERE *w; 103 int cpr, len, maxlen; 104 struct tm *tp; 105 int oddfield; 106 char t[80]; 107 108 if (d_first < 0) 109 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 110 /* 111 * long format -- 112 * login name 113 * real name 114 * home directory 115 * shell 116 * office, office phone, home phone if available 117 * mail status 118 */ 119 printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 120 pn->name, pn->realname, pn->dir); 121 printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 122 123 if (gflag) 124 goto no_gecos; 125 /* 126 * try and print office, office phone, and home phone on one line; 127 * if that fails, do line filling so it looks nice. 128 */ 129 #define OFFICE_TAG "Office" 130 #define OFFICE_PHONE_TAG "Office Phone" 131 oddfield = 0; 132 if (pn->office && pn->officephone && 133 strlen(pn->office) + strlen(pn->officephone) + 134 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 135 snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 136 OFFICE_TAG, pn->office, prphone(pn->officephone)); 137 oddfield = demi_print(tbuf, oddfield); 138 } else { 139 if (pn->office) { 140 snprintf(tbuf, sizeof(tbuf), "%s: %s", 141 OFFICE_TAG, pn->office); 142 oddfield = demi_print(tbuf, oddfield); 143 } 144 if (pn->officephone) { 145 snprintf(tbuf, sizeof(tbuf), "%s: %s", 146 OFFICE_PHONE_TAG, prphone(pn->officephone)); 147 oddfield = demi_print(tbuf, oddfield); 148 } 149 } 150 if (pn->homephone) { 151 snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 152 prphone(pn->homephone)); 153 oddfield = demi_print(tbuf, oddfield); 154 } 155 if (oddfield) 156 putchar('\n'); 157 158 no_gecos: 159 /* 160 * long format con't: 161 * if logged in 162 * terminal 163 * idle time 164 * if messages allowed 165 * where logged in from 166 * if not logged in 167 * when last logged in 168 */ 169 /* find out longest device name for this user for formatting */ 170 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 171 if ((len = strlen(w->tty)) > maxlen) 172 maxlen = len; 173 /* find rest of entries for user */ 174 for (w = pn->whead; w != NULL; w = w->next) { 175 if (w->info == LOGGEDIN) { 176 tp = localtime(&w->loginat); 177 strftime(t, sizeof(t), 178 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 179 tp); 180 cpr = printf("On since %s on %s", t, w->tty); 181 /* 182 * idle time is tough; if have one, print a comma, 183 * then spaces to pad out the device name, then the 184 * idle time. Follow with a comma if a remote login. 185 */ 186 delta = gmtime(&w->idletime); 187 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 188 cpr += printf("%-*s idle ", 189 maxlen - (int)strlen(w->tty) + 1, ","); 190 if (delta->tm_yday > 0) { 191 cpr += printf("%d day%s ", 192 delta->tm_yday, 193 delta->tm_yday == 1 ? "" : "s"); 194 } 195 cpr += printf("%d:%02d", 196 delta->tm_hour, delta->tm_min); 197 if (*w->host) { 198 putchar(','); 199 ++cpr; 200 } 201 } 202 if (!w->writable) 203 cpr += printf(" (messages off)"); 204 } else if (w->loginat == 0) { 205 cpr = printf("Never logged in."); 206 } else { 207 tp = localtime(&w->loginat); 208 if (now - w->loginat > 86400 * 365 / 2) { 209 strftime(t, sizeof(t), 210 d_first ? "%a %e %b %R %Y (%Z)" : 211 "%a %b %e %R %Y (%Z)", 212 tp); 213 } else { 214 strftime(t, sizeof(t), 215 d_first ? "%a %e %b %R (%Z)" : 216 "%a %b %e %R (%Z)", 217 tp); 218 } 219 cpr = printf("Last login %s on %s", t, w->tty); 220 } 221 if (*w->host) { 222 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 223 (void)printf("\n "); 224 (void)printf(" from %s", w->host); 225 } 226 putchar('\n'); 227 } 228 if (pn->mailrecv == -1) 229 printf("No Mail.\n"); 230 else if (pn->mailrecv > pn->mailread) { 231 tp = localtime(&pn->mailrecv); 232 strftime(t, sizeof(t), 233 d_first ? "%a %e %b %R %Y (%Z)" : 234 "%a %b %e %R %Y (%Z)", 235 tp); 236 printf("New mail received %s\n", t); 237 tp = localtime(&pn->mailread); 238 strftime(t, sizeof(t), 239 d_first ? "%a %e %b %R %Y (%Z)" : 240 "%a %b %e %R %Y (%Z)", 241 tp); 242 printf(" Unread since %s\n", t); 243 } else { 244 tp = localtime(&pn->mailread); 245 strftime(t, sizeof(t), 246 d_first ? "%a %e %b %R %Y (%Z)" : 247 "%a %b %e %R %Y (%Z)", 248 tp); 249 printf("Mail last read %s\n", t); 250 } 251 } 252 253 static int 254 demi_print(char *str, int oddfield) 255 { 256 static int lenlast; 257 int lenthis, maxlen; 258 259 lenthis = strlen(str); 260 if (oddfield) { 261 /* 262 * We left off on an odd number of fields. If we haven't 263 * crossed the midpoint of the screen, and we have room for 264 * the next field, print it on the same line; otherwise, 265 * print it on a new line. 266 * 267 * Note: we insist on having the right hand fields start 268 * no less than 5 tabs out. 269 */ 270 maxlen = 5 * TAB_LEN; 271 if (maxlen < lenlast) 272 maxlen = lenlast; 273 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 274 lenthis) <= LINE_LEN) { 275 while(lenlast < (4 * TAB_LEN)) { 276 putchar('\t'); 277 lenlast += TAB_LEN; 278 } 279 printf("\t%s\n", str); /* force one tab */ 280 } else { 281 printf("\n%s", str); /* go to next line */ 282 oddfield = !oddfield; /* this'll be undone below */ 283 } 284 } else 285 printf("%s", str); 286 oddfield = !oddfield; /* toggle odd/even marker */ 287 lenlast = lenthis; 288 return(oddfield); 289 } 290 291 int 292 show_text(const char *directory, const char *file_name, const char *header) 293 { 294 struct stat sb; 295 FILE *fp; 296 int ch, cnt; 297 char *p, lastc; 298 int fd, nr; 299 300 lastc = '\0'; 301 302 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 303 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 304 sb.st_size == 0) 305 return(0); 306 307 /* If short enough, and no newlines, show it on a single line.*/ 308 if ((uintptr_t)sb.st_size <= LINE_LEN - strlen(header) - 5) { 309 nr = read(fd, tbuf, sizeof(tbuf)); 310 if (nr <= 0) { 311 (void)close(fd); 312 return(0); 313 } 314 for (p = tbuf, cnt = nr; cnt--; ++p) 315 if (*p == '\n') 316 break; 317 if (cnt <= 1) { 318 if (*header != '\0') 319 (void)printf("%s: ", header); 320 for (p = tbuf, cnt = nr; cnt--; ++p) 321 if (*p != '\r') 322 vputc(lastc = *p); 323 if (lastc != '\n') 324 (void)putchar('\n'); 325 (void)close(fd); 326 return(1); 327 } 328 else 329 (void)lseek(fd, 0L, SEEK_SET); 330 } 331 if ((fp = fdopen(fd, "r")) == NULL) 332 return(0); 333 if (*header != '\0') 334 (void)printf("%s:\n", header); 335 while ((ch = getc(fp)) != EOF) 336 if (ch != '\r') 337 vputc(lastc = ch); 338 if (lastc != '\n') 339 (void)putchar('\n'); 340 (void)fclose(fp); 341 return(1); 342 } 343 344 static void 345 vputc(unsigned char ch) 346 { 347 int meta; 348 349 if (!isprint(ch) && !isascii(ch)) { 350 putchar('M'); 351 putchar('-'); 352 ch = toascii(ch); 353 meta = 1; 354 } else 355 meta = 0; 356 if (eightflag || isprint(ch) || 357 (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) { 358 putchar(ch); 359 } else { 360 putchar('^'); 361 putchar(ch == '\177' ? '?' : ch | 0100); 362 } 363 } 364