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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)lprint.c 8.3 (Berkeley) 4/28/95 33 * $FreeBSD: src/usr.bin/finger/lprint.c,v 1.10.2.4 2002/07/03 01:14:24 des Exp $ 34 * $DragonFly: src/usr.bin/finger/lprint.c,v 1.4 2004/09/03 19:13:23 dillon Exp $ 35 */ 36 37 #include <sys/types.h> 38 #include <sys/socket.h> 39 #include <sys/stat.h> 40 #include <sys/time.h> 41 #include <ctype.h> 42 #include <db.h> 43 #include <err.h> 44 #include <fcntl.h> 45 #include <langinfo.h> 46 #include <paths.h> 47 #include <pwd.h> 48 #include <stdio.h> 49 #include <string.h> 50 #include <unistd.h> 51 #include <utmp.h> 52 #include "finger.h" 53 #include "pathnames.h" 54 #include "extern.h" 55 56 #define LINE_LEN 80 57 #define TAB_LEN 8 /* 8 spaces between tabs */ 58 59 static int demi_print(char *, int); 60 static void lprint(PERSON *); 61 static void vputc(unsigned char); 62 63 void 64 lflag_print(void) 65 { 66 PERSON *pn; 67 int sflag, r; 68 PERSON *tmp; 69 DBT data, key; 70 71 for (sflag = R_FIRST;; sflag = R_NEXT) { 72 r = (*db->seq)(db, &key, &data, sflag); 73 if (r == -1) 74 err(1, "db seq"); 75 if (r == 1) 76 break; 77 memmove(&tmp, data.data, sizeof tmp); 78 pn = tmp; 79 if (sflag != R_FIRST) 80 putchar('\n'); 81 lprint(pn); 82 if (!pplan) { 83 show_text(pn->dir, 84 _PATH_FORWARD, "Mail forwarded to"); 85 show_text(pn->dir, _PATH_PROJECT, "Project"); 86 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 87 (void)printf("No Plan.\n"); 88 show_text(pn->dir, 89 _PATH_PUBKEY, "Public key"); 90 } 91 } 92 } 93 94 static void 95 lprint(PERSON *pn) 96 { 97 struct tm *delta; 98 WHERE *w; 99 int cpr, len, maxlen; 100 struct tm *tp; 101 int oddfield; 102 char t[80]; 103 104 if (d_first < 0) 105 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 106 /* 107 * long format -- 108 * login name 109 * real name 110 * home directory 111 * shell 112 * office, office phone, home phone if available 113 * mail status 114 */ 115 printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 116 pn->name, pn->realname, pn->dir); 117 printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 118 119 if (gflag) 120 goto no_gecos; 121 /* 122 * try and print office, office phone, and home phone on one line; 123 * if that fails, do line filling so it looks nice. 124 */ 125 #define OFFICE_TAG "Office" 126 #define OFFICE_PHONE_TAG "Office Phone" 127 oddfield = 0; 128 if (pn->office && pn->officephone && 129 strlen(pn->office) + strlen(pn->officephone) + 130 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 131 snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 132 OFFICE_TAG, pn->office, prphone(pn->officephone)); 133 oddfield = demi_print(tbuf, oddfield); 134 } else { 135 if (pn->office) { 136 snprintf(tbuf, sizeof(tbuf), "%s: %s", 137 OFFICE_TAG, pn->office); 138 oddfield = demi_print(tbuf, oddfield); 139 } 140 if (pn->officephone) { 141 snprintf(tbuf, sizeof(tbuf), "%s: %s", 142 OFFICE_PHONE_TAG, prphone(pn->officephone)); 143 oddfield = demi_print(tbuf, oddfield); 144 } 145 } 146 if (pn->homephone) { 147 snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 148 prphone(pn->homephone)); 149 oddfield = demi_print(tbuf, oddfield); 150 } 151 if (oddfield) 152 putchar('\n'); 153 154 no_gecos: 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 if (w->info == LOGGEDIN) { 172 tp = localtime(&w->loginat); 173 strftime(t, sizeof(t), 174 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 175 tp); 176 cpr = printf("On since %s on %s", t, w->tty); 177 /* 178 * idle time is tough; if have one, print a comma, 179 * then spaces to pad out the device name, then the 180 * idle time. Follow with a comma if a remote login. 181 */ 182 delta = gmtime(&w->idletime); 183 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 184 cpr += printf("%-*s idle ", 185 maxlen - (int)strlen(w->tty) + 1, ","); 186 if (delta->tm_yday > 0) { 187 cpr += printf("%d day%s ", 188 delta->tm_yday, 189 delta->tm_yday == 1 ? "" : "s"); 190 } 191 cpr += printf("%d:%02d", 192 delta->tm_hour, delta->tm_min); 193 if (*w->host) { 194 putchar(','); 195 ++cpr; 196 } 197 } 198 if (!w->writable) 199 cpr += printf(" (messages off)"); 200 } else if (w->loginat == 0) { 201 cpr = printf("Never logged in."); 202 } else { 203 tp = localtime(&w->loginat); 204 if (now - w->loginat > 86400 * 365 / 2) { 205 strftime(t, sizeof(t), 206 d_first ? "%a %e %b %R %Y (%Z)" : 207 "%a %b %e %R %Y (%Z)", 208 tp); 209 } else { 210 strftime(t, sizeof(t), 211 d_first ? "%a %e %b %R (%Z)" : 212 "%a %b %e %R (%Z)", 213 tp); 214 } 215 cpr = printf("Last login %s on %s", t, w->tty); 216 } 217 if (*w->host) { 218 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 219 (void)printf("\n "); 220 (void)printf(" from %s", w->host); 221 } 222 putchar('\n'); 223 } 224 if (pn->mailrecv == -1) 225 printf("No Mail.\n"); 226 else if (pn->mailrecv > pn->mailread) { 227 tp = localtime(&pn->mailrecv); 228 strftime(t, sizeof(t), 229 d_first ? "%a %e %b %R %Y (%Z)" : 230 "%a %b %e %R %Y (%Z)", 231 tp); 232 printf("New mail received %s\n", t); 233 tp = localtime(&pn->mailread); 234 strftime(t, sizeof(t), 235 d_first ? "%a %e %b %R %Y (%Z)" : 236 "%a %b %e %R %Y (%Z)", 237 tp); 238 printf(" Unread since %s\n", t); 239 } else { 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("Mail last read %s\n", t); 246 } 247 } 248 249 static int 250 demi_print(char *str, int oddfield) 251 { 252 static int lenlast; 253 int lenthis, maxlen; 254 255 lenthis = strlen(str); 256 if (oddfield) { 257 /* 258 * We left off on an odd number of fields. If we haven't 259 * crossed the midpoint of the screen, and we have room for 260 * the next field, print it on the same line; otherwise, 261 * print it on a new line. 262 * 263 * Note: we insist on having the right hand fields start 264 * no less than 5 tabs out. 265 */ 266 maxlen = 5 * TAB_LEN; 267 if (maxlen < lenlast) 268 maxlen = lenlast; 269 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 270 lenthis) <= LINE_LEN) { 271 while(lenlast < (4 * TAB_LEN)) { 272 putchar('\t'); 273 lenlast += TAB_LEN; 274 } 275 printf("\t%s\n", str); /* force one tab */ 276 } else { 277 printf("\n%s", str); /* go to next line */ 278 oddfield = !oddfield; /* this'll be undone below */ 279 } 280 } else 281 printf("%s", str); 282 oddfield = !oddfield; /* toggle odd/even marker */ 283 lenlast = lenthis; 284 return(oddfield); 285 } 286 287 int 288 show_text(const char *directory, const char *file_name, const char *header) 289 { 290 struct stat sb; 291 FILE *fp; 292 int ch, cnt; 293 char *p, lastc; 294 int fd, nr; 295 296 lastc = '\0'; 297 298 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 299 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 300 sb.st_size == 0) 301 return(0); 302 303 /* If short enough, and no newlines, show it on a single line.*/ 304 if ((uintptr_t)sb.st_size <= LINE_LEN - strlen(header) - 5) { 305 nr = read(fd, tbuf, sizeof(tbuf)); 306 if (nr <= 0) { 307 (void)close(fd); 308 return(0); 309 } 310 for (p = tbuf, cnt = nr; cnt--; ++p) 311 if (*p == '\n') 312 break; 313 if (cnt <= 1) { 314 if (*header != '\0') 315 (void)printf("%s: ", header); 316 for (p = tbuf, cnt = nr; cnt--; ++p) 317 if (*p != '\r') 318 vputc(lastc = *p); 319 if (lastc != '\n') 320 (void)putchar('\n'); 321 (void)close(fd); 322 return(1); 323 } 324 else 325 (void)lseek(fd, 0L, SEEK_SET); 326 } 327 if ((fp = fdopen(fd, "r")) == NULL) 328 return(0); 329 if (*header != '\0') 330 (void)printf("%s:\n", header); 331 while ((ch = getc(fp)) != EOF) 332 if (ch != '\r') 333 vputc(lastc = ch); 334 if (lastc != '\n') 335 (void)putchar('\n'); 336 (void)fclose(fp); 337 return(1); 338 } 339 340 static void 341 vputc(unsigned char ch) 342 { 343 int meta; 344 345 if (!isprint(ch) && !isascii(ch)) { 346 putchar('M'); 347 putchar('-'); 348 ch = toascii(ch); 349 meta = 1; 350 } else 351 meta = 0; 352 if (eightflag || isprint(ch) || 353 (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) { 354 putchar(ch); 355 } else { 356 putchar('^'); 357 putchar(ch == '\177' ? '?' : ch | 0100); 358 } 359 } 360