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 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <sys/stat.h> 38 #include <sys/time.h> 39 #include <ctype.h> 40 #include <db.h> 41 #include <err.h> 42 #include <fcntl.h> 43 #include <langinfo.h> 44 #include <paths.h> 45 #include <pwd.h> 46 #include <stdio.h> 47 #include <string.h> 48 #include <unistd.h> 49 #include <utmpx.h> 50 #include "finger.h" 51 #include "pathnames.h" 52 53 #define LINE_LEN 80 54 #define TAB_LEN 8 /* 8 spaces between tabs */ 55 56 static int demi_print(char *, int); 57 static void lprint(PERSON *); 58 static void vputc(unsigned char); 59 60 void 61 lflag_print(void) 62 { 63 PERSON *pn; 64 int sflag, r; 65 PERSON *tmp; 66 DBT data, key; 67 68 for (sflag = R_FIRST;; sflag = R_NEXT) { 69 r = (*db->seq)(db, &key, &data, sflag); 70 if (r == -1) 71 err(1, "db seq"); 72 if (r == 1) 73 break; 74 memmove(&tmp, data.data, sizeof tmp); 75 pn = tmp; 76 if (sflag != R_FIRST) 77 putchar('\n'); 78 lprint(pn); 79 if (!pplan) { 80 (void)show_text(pn->dir, 81 _PATH_FORWARD, "Mail forwarded to"); 82 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 83 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 84 (void)printf("No Plan.\n"); 85 (void)show_text(pn->dir, 86 _PATH_PUBKEY, "Public key"); 87 } 88 } 89 } 90 91 static void 92 lprint(PERSON *pn) 93 { 94 struct tm *delta; 95 WHERE *w; 96 int cpr, len, maxlen; 97 struct tm *tp; 98 int oddfield; 99 char t[80]; 100 101 if (d_first < 0) 102 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 103 /* 104 * long format -- 105 * login name 106 * real name 107 * home directory 108 * shell 109 * office, office phone, home phone if available 110 * mail status 111 */ 112 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 113 pn->name, pn->realname, pn->dir); 114 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 115 116 if (gflag) 117 goto no_gecos; 118 /* 119 * try and print office, office phone, and home phone on one line; 120 * if that fails, do line filling so it looks nice. 121 */ 122 #define OFFICE_TAG "Office" 123 #define OFFICE_PHONE_TAG "Office Phone" 124 oddfield = 0; 125 if (pn->office && pn->officephone && 126 strlen(pn->office) + strlen(pn->officephone) + 127 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 128 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 129 OFFICE_TAG, pn->office, prphone(pn->officephone)); 130 oddfield = demi_print(tbuf, oddfield); 131 } else { 132 if (pn->office) { 133 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 134 OFFICE_TAG, pn->office); 135 oddfield = demi_print(tbuf, oddfield); 136 } 137 if (pn->officephone) { 138 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 139 OFFICE_PHONE_TAG, prphone(pn->officephone)); 140 oddfield = demi_print(tbuf, oddfield); 141 } 142 } 143 if (pn->homephone) { 144 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 145 prphone(pn->homephone)); 146 oddfield = demi_print(tbuf, oddfield); 147 } 148 if (oddfield) 149 putchar('\n'); 150 151 no_gecos: 152 /* 153 * long format con't: 154 * if logged in 155 * terminal 156 * idle time 157 * if messages allowed 158 * where logged in from 159 * if not logged in 160 * when last logged in 161 */ 162 /* find out longest device name for this user for formatting */ 163 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 164 if ((len = strlen(w->tty)) > maxlen) 165 maxlen = len; 166 /* find rest of entries for user */ 167 for (w = pn->whead; w != NULL; w = w->next) { 168 if (w->info == LOGGEDIN) { 169 tp = localtime(&w->loginat); 170 strftime(t, sizeof(t), 171 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 172 tp); 173 cpr = printf("On since %s on %s", t, w->tty); 174 /* 175 * idle time is tough; if have one, print a comma, 176 * then spaces to pad out the device name, then the 177 * idle time. Follow with a comma if a remote login. 178 */ 179 delta = gmtime(&w->idletime); 180 if (w->idletime != -1 && (delta->tm_yday || 181 delta->tm_hour || delta->tm_min)) { 182 cpr += printf("%-*s idle ", 183 maxlen - (int)strlen(w->tty) + 1, ","); 184 if (delta->tm_yday > 0) { 185 cpr += printf("%d day%s ", 186 delta->tm_yday, 187 delta->tm_yday == 1 ? "" : "s"); 188 } 189 cpr += printf("%d:%02d", 190 delta->tm_hour, delta->tm_min); 191 if (*w->host) { 192 putchar(','); 193 ++cpr; 194 } 195 } 196 if (!w->writable) 197 cpr += printf(" (messages off)"); 198 } else if (w->loginat == 0) { 199 cpr = printf("Never logged in."); 200 } else { 201 tp = localtime(&w->loginat); 202 if (now - w->loginat > 86400 * 365 / 2) { 203 strftime(t, sizeof(t), 204 d_first ? "%a %e %b %R %Y (%Z)" : 205 "%a %b %e %R %Y (%Z)", 206 tp); 207 } else { 208 strftime(t, sizeof(t), 209 d_first ? "%a %e %b %R (%Z)" : 210 "%a %b %e %R (%Z)", 211 tp); 212 } 213 cpr = printf("Last login %s on %s", t, w->tty); 214 } 215 if (*w->host) { 216 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 217 (void)printf("\n "); 218 (void)printf(" from %s", w->host); 219 } 220 putchar('\n'); 221 } 222 if (pn->mailrecv == -1) 223 printf("No Mail.\n"); 224 else if (pn->mailrecv > pn->mailread) { 225 tp = localtime(&pn->mailrecv); 226 strftime(t, sizeof(t), 227 d_first ? "%a %e %b %R %Y (%Z)" : 228 "%a %b %e %R %Y (%Z)", 229 tp); 230 printf("New mail received %s\n", t); 231 tp = localtime(&pn->mailread); 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(" Unread since %s\n", t); 237 } else { 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("Mail last read %s\n", t); 244 } 245 } 246 247 static int 248 demi_print(char *str, int oddfield) 249 { 250 static int lenlast; 251 int lenthis, maxlen; 252 253 lenthis = strlen(str); 254 if (oddfield) { 255 /* 256 * We left off on an odd number of fields. If we haven't 257 * crossed the midpoint of the screen, and we have room for 258 * the next field, print it on the same line; otherwise, 259 * print it on a new line. 260 * 261 * Note: we insist on having the right hand fields start 262 * no less than 5 tabs out. 263 */ 264 maxlen = 5 * TAB_LEN; 265 if (maxlen < lenlast) 266 maxlen = lenlast; 267 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 268 lenthis) <= LINE_LEN) { 269 while(lenlast < (4 * TAB_LEN)) { 270 putchar('\t'); 271 lenlast += TAB_LEN; 272 } 273 (void)printf("\t%s\n", str); /* force one tab */ 274 } else { 275 (void)printf("\n%s", str); /* go to next line */ 276 oddfield = !oddfield; /* this'll be undone below */ 277 } 278 } else 279 (void)printf("%s", str); 280 oddfield = !oddfield; /* toggle odd/even marker */ 281 lenlast = lenthis; 282 return(oddfield); 283 } 284 285 int 286 show_text(const char *directory, const char *file_name, const char *header) 287 { 288 struct stat sb; 289 FILE *fp; 290 int ch, cnt; 291 char *p, lastc; 292 int fd, nr; 293 294 lastc = '\0'; 295 296 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 297 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 298 sb.st_size == 0) 299 return(0); 300 301 /* If short enough, and no newlines, show it on a single line.*/ 302 if (sb.st_size <= (off_t)(LINE_LEN - strlen(header) - 5)) { 303 nr = read(fd, tbuf, sizeof(tbuf)); 304 if (nr <= 0) { 305 (void)close(fd); 306 return(0); 307 } 308 for (p = tbuf, cnt = nr; cnt--; ++p) 309 if (*p == '\n') 310 break; 311 if (cnt <= 1) { 312 if (*header != '\0') 313 (void)printf("%s: ", header); 314 for (p = tbuf, cnt = nr; cnt--; ++p) 315 if (*p != '\r') 316 vputc(lastc = *p); 317 if (lastc != '\n') 318 (void)putchar('\n'); 319 (void)close(fd); 320 return(1); 321 } 322 else 323 (void)lseek(fd, 0L, SEEK_SET); 324 } 325 if ((fp = fdopen(fd, "r")) == NULL) 326 return(0); 327 if (*header != '\0') 328 (void)printf("%s:\n", header); 329 while ((ch = getc(fp)) != EOF) 330 if (ch != '\r') 331 vputc(lastc = ch); 332 if (lastc != '\n') 333 (void)putchar('\n'); 334 (void)fclose(fp); 335 return(1); 336 } 337 338 static void 339 vputc(unsigned char ch) 340 { 341 int meta; 342 343 if (!isprint(ch) && !isascii(ch)) { 344 (void)putchar('M'); 345 (void)putchar('-'); 346 ch = toascii(ch); 347 meta = 1; 348 } else 349 meta = 0; 350 if (isprint(ch) || (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) 351 (void)putchar(ch); 352 else { 353 (void)putchar('^'); 354 (void)putchar(ch == '\177' ? '?' : ch | 0100); 355 } 356 } 357