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 */ 35 36 #include <sys/types.h> 37 #include <sys/socket.h> 38 #include <sys/stat.h> 39 #include <sys/time.h> 40 #include <ctype.h> 41 #include <db.h> 42 #include <err.h> 43 #include <fcntl.h> 44 #include <langinfo.h> 45 #include <paths.h> 46 #include <pwd.h> 47 #include <stdio.h> 48 #include <string.h> 49 #include <unistd.h> 50 #include "finger.h" 51 #include "pathnames.h" 52 #include "extern.h" 53 54 #define LINE_LEN 80 55 #define TAB_LEN 8 /* 8 spaces between tabs */ 56 57 static int demi_print(char *, int); 58 static void lprint(PERSON *); 59 static void vputc(unsigned char); 60 61 void 62 lflag_print(void) 63 { 64 PERSON *pn; 65 int sflag, r; 66 PERSON *tmp; 67 DBT data, key; 68 69 for (sflag = R_FIRST;; sflag = R_NEXT) { 70 r = (*db->seq)(db, &key, &data, sflag); 71 if (r == -1) 72 err(1, "db seq"); 73 if (r == 1) 74 break; 75 memmove(&tmp, data.data, sizeof tmp); 76 pn = tmp; 77 if (sflag != R_FIRST) 78 putchar('\n'); 79 lprint(pn); 80 if (!pplan) { 81 show_text(pn->dir, 82 _PATH_FORWARD, "Mail forwarded to"); 83 show_text(pn->dir, _PATH_PROJECT, "Project"); 84 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 85 (void)printf("No Plan.\n"); 86 show_text(pn->dir, 87 _PATH_PUBKEY, "Public key"); 88 } 89 } 90 } 91 92 static void 93 lprint(PERSON *pn) 94 { 95 struct tm *delta; 96 WHERE *w; 97 int cpr, len, maxlen; 98 struct tm *tp; 99 int oddfield; 100 char t[80]; 101 102 if (d_first < 0) 103 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 104 /* 105 * long format -- 106 * login name 107 * real name 108 * home directory 109 * shell 110 * office, office phone, home phone if available 111 * mail status 112 */ 113 printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 114 pn->name, pn->realname, pn->dir); 115 printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 116 117 if (gflag) 118 goto no_gecos; 119 /* 120 * try and print office, office phone, and home phone on one line; 121 * if that fails, do line filling so it looks nice. 122 */ 123 #define OFFICE_TAG "Office" 124 #define OFFICE_PHONE_TAG "Office Phone" 125 oddfield = 0; 126 if (pn->office && pn->officephone && 127 strlen(pn->office) + strlen(pn->officephone) + 128 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 129 snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 130 OFFICE_TAG, pn->office, prphone(pn->officephone)); 131 oddfield = demi_print(tbuf, oddfield); 132 } else { 133 if (pn->office) { 134 snprintf(tbuf, sizeof(tbuf), "%s: %s", 135 OFFICE_TAG, pn->office); 136 oddfield = demi_print(tbuf, oddfield); 137 } 138 if (pn->officephone) { 139 snprintf(tbuf, sizeof(tbuf), "%s: %s", 140 OFFICE_PHONE_TAG, prphone(pn->officephone)); 141 oddfield = demi_print(tbuf, oddfield); 142 } 143 } 144 if (pn->homephone) { 145 snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 146 prphone(pn->homephone)); 147 oddfield = demi_print(tbuf, oddfield); 148 } 149 if (oddfield) 150 putchar('\n'); 151 152 no_gecos: 153 /* 154 * long format con't: 155 * if logged in 156 * terminal 157 * idle time 158 * if messages allowed 159 * where logged in from 160 * if not logged in 161 * when last logged in 162 */ 163 /* find out longest device name for this user for formatting */ 164 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 165 if ((len = strlen(w->tty)) > maxlen) 166 maxlen = len; 167 /* find rest of entries for user */ 168 for (w = pn->whead; w != NULL; w = w->next) { 169 if (w->info == LOGGEDIN) { 170 tp = localtime(&w->loginat); 171 strftime(t, sizeof(t), 172 d_first ? "%a %e %b %R (%Z)" : "%a %b %e %R (%Z)", 173 tp); 174 cpr = printf("On since %s on %s", t, w->tty); 175 /* 176 * idle time is tough; if have one, print a comma, 177 * then spaces to pad out the device name, then the 178 * idle time. Follow with a comma if a remote login. 179 */ 180 delta = gmtime(&w->idletime); 181 if (delta->tm_yday || 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 printf("\t%s\n", str); /* force one tab */ 274 } else { 275 printf("\n%s", str); /* go to next line */ 276 oddfield = !oddfield; /* this'll be undone below */ 277 } 278 } else 279 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 ((uintptr_t)sb.st_size <= 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 putchar('M'); 345 putchar('-'); 346 ch = toascii(ch); 347 meta = 1; 348 } else 349 meta = 0; 350 if (eightflag || isprint(ch) || 351 (!meta && (ch == ' ' || ch == '\t' || ch == '\n'))) { 352 putchar(ch); 353 } else { 354 putchar('^'); 355 putchar(ch == '\177' ? '?' : ch | 0100); 356 } 357 } 358