1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 #if 0 36 #endif 37 38 #include <sys/cdefs.h> 39 #include <sys/types.h> 40 #include <sys/socket.h> 41 #include <sys/stat.h> 42 #include <sys/time.h> 43 #include <ctype.h> 44 #include <db.h> 45 #include <err.h> 46 #include <fcntl.h> 47 #include <langinfo.h> 48 #include <paths.h> 49 #include <pwd.h> 50 #include <stdio.h> 51 #include <string.h> 52 #include <unistd.h> 53 #include <utmpx.h> 54 #include "finger.h" 55 #include "pathnames.h" 56 57 #define LINE_LEN 80 58 #define TAB_LEN 8 /* 8 spaces between tabs */ 59 60 static int demi_print(char *, int); 61 static void lprint(PERSON *); 62 static void vputc(unsigned char); 63 64 void 65 lflag_print(void) 66 { 67 PERSON *pn; 68 int sflag, r; 69 PERSON *tmp; 70 DBT data, key; 71 72 for (sflag = R_FIRST;; sflag = R_NEXT) { 73 r = (*db->seq)(db, &key, &data, sflag); 74 if (r == -1) 75 err(1, "db seq"); 76 if (r == 1) 77 break; 78 memmove(&tmp, data.data, sizeof tmp); 79 pn = tmp; 80 if (sflag != R_FIRST) 81 putchar('\n'); 82 lprint(pn); 83 if (!pplan) { 84 (void)show_text(pn->dir, 85 _PATH_FORWARD, "Mail forwarded to"); 86 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 87 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 88 (void)printf("No Plan.\n"); 89 (void)show_text(pn->dir, 90 _PATH_PUBKEY, "Public key"); 91 } 92 } 93 } 94 95 static void 96 lprint(PERSON *pn) 97 { 98 struct tm *delta; 99 WHERE *w; 100 int cpr, len, maxlen; 101 struct tm *tp; 102 int oddfield; 103 char t[80]; 104 105 if (d_first < 0) 106 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 107 /* 108 * long format -- 109 * login name 110 * real name 111 * home directory 112 * shell 113 * office, office phone, home phone if available 114 * mail status 115 */ 116 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 117 pn->name, pn->realname, pn->dir); 118 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 119 120 if (gflag) 121 goto no_gecos; 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 no_gecos: 156 /* 157 * long format con't: 158 * if logged in 159 * terminal 160 * idle time 161 * if messages allowed 162 * where logged in from 163 * if not logged in 164 * when last logged in 165 */ 166 /* find out longest device name for this user for formatting */ 167 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 168 if ((len = strlen(w->tty)) > maxlen) 169 maxlen = len; 170 /* find rest of entries for user */ 171 for (w = pn->whead; w != NULL; w = w->next) { 172 if (w->info == LOGGEDIN) { 173 tp = localtime(&w->loginat); 174 strftime(t, sizeof(t), 175 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 176 tp); 177 cpr = printf("On since %s on %s", t, 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 (w->idletime != -1 && (delta->tm_yday || 185 delta->tm_hour || delta->tm_min)) { 186 cpr += printf("%-*s idle ", 187 maxlen - (int)strlen(w->tty) + 1, ","); 188 if (delta->tm_yday > 0) { 189 cpr += printf("%d day%s ", 190 delta->tm_yday, 191 delta->tm_yday == 1 ? "" : "s"); 192 } 193 cpr += printf("%d:%02d", 194 delta->tm_hour, delta->tm_min); 195 if (*w->host) { 196 putchar(','); 197 ++cpr; 198 } 199 } 200 if (!w->writable) 201 cpr += printf(" (messages off)"); 202 } else if (w->loginat == 0) { 203 cpr = printf("Never logged in."); 204 } else { 205 tp = localtime(&w->loginat); 206 if (now - w->loginat > 86400 * 365 / 2) { 207 strftime(t, sizeof(t), 208 d_first ? "%a %e %b %R %Y (%Z)" : 209 "%a %b %e %R %Y (%Z)", 210 tp); 211 } else { 212 strftime(t, sizeof(t), 213 d_first ? "%a %e %b %R (%Z)" : 214 "%a %b %e %R (%Z)", 215 tp); 216 } 217 cpr = printf("Last login %s on %s", t, w->tty); 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), 231 d_first ? "%a %e %b %R %Y (%Z)" : 232 "%a %b %e %R %Y (%Z)", 233 tp); 234 printf("New mail received %s\n", t); 235 tp = localtime(&pn->mailread); 236 strftime(t, sizeof(t), 237 d_first ? "%a %e %b %R %Y (%Z)" : 238 "%a %b %e %R %Y (%Z)", 239 tp); 240 printf(" Unread since %s\n", t); 241 } else { 242 tp = localtime(&pn->mailread); 243 strftime(t, sizeof(t), 244 d_first ? "%a %e %b %R %Y (%Z)" : 245 "%a %b %e %R %Y (%Z)", 246 tp); 247 printf("Mail last read %s\n", t); 248 } 249 } 250 251 static int 252 demi_print(char *str, int oddfield) 253 { 254 static int lenlast; 255 int lenthis, maxlen; 256 257 lenthis = strlen(str); 258 if (oddfield) { 259 /* 260 * We left off on an odd number of fields. If we haven't 261 * crossed the midpoint of the screen, and we have room for 262 * the next field, print it on the same line; otherwise, 263 * print it on a new line. 264 * 265 * Note: we insist on having the right hand fields start 266 * no less than 5 tabs out. 267 */ 268 maxlen = 5 * TAB_LEN; 269 if (maxlen < lenlast) 270 maxlen = lenlast; 271 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 272 lenthis) <= LINE_LEN) { 273 while(lenlast < (4 * TAB_LEN)) { 274 putchar('\t'); 275 lenlast += TAB_LEN; 276 } 277 (void)printf("\t%s\n", str); /* force one tab */ 278 } else { 279 (void)printf("\n%s", str); /* go to next line */ 280 oddfield = !oddfield; /* this'll be undone below */ 281 } 282 } else 283 (void)printf("%s", str); 284 oddfield = !oddfield; /* toggle odd/even marker */ 285 lenlast = lenthis; 286 return(oddfield); 287 } 288 289 int 290 show_text(const char *directory, const char *file_name, const char *header) 291 { 292 struct stat sb; 293 FILE *fp; 294 int ch, cnt; 295 char *p, lastc; 296 int fd, nr; 297 298 lastc = '\0'; 299 300 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 301 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 302 sb.st_size == 0) 303 return(0); 304 305 /* If short enough, and no newlines, show it on a single line.*/ 306 if (sb.st_size <= (off_t)(LINE_LEN - strlen(header) - 5)) { 307 nr = read(fd, tbuf, sizeof(tbuf)); 308 if (nr <= 0) { 309 (void)close(fd); 310 return(0); 311 } 312 for (p = tbuf, cnt = nr; cnt--; ++p) 313 if (*p == '\n') 314 break; 315 if (cnt <= 1) { 316 if (*header != '\0') 317 (void)printf("%s: ", header); 318 for (p = tbuf, cnt = nr; cnt--; ++p) 319 if (*p != '\r') 320 vputc(lastc = *p); 321 if (lastc != '\n') 322 (void)putchar('\n'); 323 (void)close(fd); 324 return(1); 325 } 326 else 327 (void)lseek(fd, 0L, SEEK_SET); 328 } 329 if ((fp = fdopen(fd, "r")) == NULL) 330 return(0); 331 if (*header != '\0') 332 (void)printf("%s:\n", header); 333 while ((ch = getc(fp)) != EOF) 334 if (ch != '\r') 335 vputc(lastc = ch); 336 if (lastc != '\n') 337 (void)putchar('\n'); 338 (void)fclose(fp); 339 return(1); 340 } 341 342 static void 343 vputc(unsigned char ch) 344 { 345 int meta; 346 347 if (!isprint(ch) && !isascii(ch)) { 348 (void)putchar('M'); 349 (void)putchar('-'); 350 ch = toascii(ch); 351 meta = 1; 352 } else 353 meta = 0; 354 if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) 355 (void)putchar(ch); 356 else { 357 (void)putchar('^'); 358 (void)putchar(ch == '\177' ? '?' : ch | 0100); 359 } 360 } 361