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 37 #ifndef lint 38 static char sccsid[] = "@(#)lprint.c 8.1 (Berkeley) 6/6/93"; 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <sys/time.h> 44 #include <fcntl.h> 45 #include <time.h> 46 #include <tzfile.h> 47 #include <db.h> 48 #include <pwd.h> 49 #include <utmp.h> 50 #include <errno.h> 51 #include <unistd.h> 52 #include <stdio.h> 53 #include <ctype.h> 54 #include <string.h> 55 #include <paths.h> 56 #include "finger.h" 57 58 #define LINE_LEN 80 59 #define TAB_LEN 8 /* 8 spaces between tabs */ 60 #define _PATH_FORWARD ".forward" 61 #define _PATH_PLAN ".plan" 62 #define _PATH_PROJECT ".project" 63 64 static int demi_print __P((char *, int)); 65 static void lprint __P((PERSON *)); 66 static int show_text __P((char *, char *, char *)); 67 static void vputc __P((int)); 68 69 void 70 lflag_print() 71 { 72 extern int pplan; 73 register PERSON *pn; 74 register int sflag, r; 75 DBT data, key; 76 77 for (sflag = R_FIRST;; sflag = R_NEXT) { 78 r = (*db->seq)(db, &key, &data, sflag); 79 if (r == -1) 80 err("db seq: %s", strerror(errno)); 81 if (r == 1) 82 break; 83 pn = *(PERSON **)data.data; 84 if (sflag != R_FIRST) 85 putchar('\n'); 86 lprint(pn); 87 if (!pplan) { 88 (void)show_text(pn->dir, 89 _PATH_FORWARD, "Mail forwarded to"); 90 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 91 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 92 (void)printf("No Plan.\n"); 93 } 94 } 95 } 96 97 static void 98 lprint(pn) 99 register PERSON *pn; 100 { 101 extern time_t now; 102 register struct tm *delta; 103 register WHERE *w; 104 register int cpr, len, maxlen; 105 struct tm *tp; 106 int oddfield; 107 char *t, *tzn; 108 109 /* 110 * long format -- 111 * login name 112 * real name 113 * home directory 114 * shell 115 * office, office phone, home phone if available 116 */ 117 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 118 pn->name, pn->realname, pn->dir); 119 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 120 121 /* 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 (void)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 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 137 OFFICE_TAG, pn->office); 138 oddfield = demi_print(tbuf, oddfield); 139 } 140 if (pn->officephone) { 141 (void)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 (void)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 /* 155 * long format con't: * 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 switch (w->info) { 170 case LOGGEDIN: 171 tp = localtime(&w->loginat); 172 t = asctime(tp); 173 tzn = tp->tm_zone; 174 cpr = printf("On since %.16s (%s) on %s", 175 t, tzn, w->tty); 176 /* 177 * idle time is tough; if have one, print a comma, 178 * then spaces to pad out the device name, then the 179 * idle time. Follow with a comma if a remote login. 180 */ 181 delta = gmtime(&w->idletime); 182 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 183 cpr += printf("%-*s idle ", 184 maxlen - strlen(w->tty) + 1, ","); 185 if (delta->tm_yday > 0) { 186 cpr += printf("%d day%s ", 187 delta->tm_yday, 188 delta->tm_yday == 1 ? "" : "s"); 189 } 190 cpr += printf("%d:%02d", 191 delta->tm_hour, delta->tm_min); 192 if (*w->host) { 193 putchar(','); 194 ++cpr; 195 } 196 } 197 if (!w->writable) 198 cpr += printf(" (messages off)"); 199 break; 200 case LASTLOG: 201 if (w->loginat == 0) { 202 (void)printf("Never logged in."); 203 break; 204 } 205 tp = localtime(&w->loginat); 206 t = asctime(tp); 207 tzn = tp->tm_zone; 208 if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2) 209 cpr = 210 printf("Last login %.16s %.4s (%s) on %s", 211 t, t + 20, tzn, w->tty); 212 else 213 cpr = printf("Last login %.16s (%s) on %s", 214 t, tzn, w->tty); 215 break; 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 } 225 226 static int 227 demi_print(str, oddfield) 228 char *str; 229 int oddfield; 230 { 231 static int lenlast; 232 int lenthis, maxlen; 233 234 lenthis = strlen(str); 235 if (oddfield) { 236 /* 237 * We left off on an odd number of fields. If we haven't 238 * crossed the midpoint of the screen, and we have room for 239 * the next field, print it on the same line; otherwise, 240 * print it on a new line. 241 * 242 * Note: we insist on having the right hand fields start 243 * no less than 5 tabs out. 244 */ 245 maxlen = 5 * TAB_LEN; 246 if (maxlen < lenlast) 247 maxlen = lenlast; 248 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 249 lenthis) <= LINE_LEN) { 250 while(lenlast < (4 * TAB_LEN)) { 251 putchar('\t'); 252 lenlast += TAB_LEN; 253 } 254 (void)printf("\t%s\n", str); /* force one tab */ 255 } else { 256 (void)printf("\n%s", str); /* go to next line */ 257 oddfield = !oddfield; /* this'll be undone below */ 258 } 259 } else 260 (void)printf("%s", str); 261 oddfield = !oddfield; /* toggle odd/even marker */ 262 lenlast = lenthis; 263 return(oddfield); 264 } 265 266 static int 267 show_text(directory, file_name, header) 268 char *directory, *file_name, *header; 269 { 270 struct stat sb; 271 register FILE *fp; 272 register int ch, cnt, lastc; 273 register char *p; 274 int fd, nr; 275 276 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 277 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 278 sb.st_size == 0) 279 return(0); 280 281 /* If short enough, and no newlines, show it on a single line.*/ 282 if (sb.st_size <= LINE_LEN - strlen(header) - 5) { 283 nr = read(fd, tbuf, sizeof(tbuf)); 284 if (nr <= 0) { 285 (void)close(fd); 286 return(0); 287 } 288 for (p = tbuf, cnt = nr; cnt--; ++p) 289 if (*p == '\n') 290 break; 291 if (cnt <= 1) { 292 (void)printf("%s: ", header); 293 for (p = tbuf, cnt = nr; cnt--; ++p) 294 vputc(lastc = *p); 295 if (lastc != '\n') 296 (void)putchar('\n'); 297 (void)close(fd); 298 return(1); 299 } 300 else 301 (void)lseek(fd, 0L, SEEK_SET); 302 } 303 if ((fp = fdopen(fd, "r")) == NULL) 304 return(0); 305 (void)printf("%s:\n", header); 306 while ((ch = getc(fp)) != EOF) 307 vputc(lastc = ch); 308 if (lastc != '\n') 309 (void)putchar('\n'); 310 (void)fclose(fp); 311 return(1); 312 } 313 314 static void 315 vputc(ch) 316 register int ch; 317 { 318 int meta; 319 320 if (!isascii(ch)) { 321 (void)putchar('M'); 322 (void)putchar('-'); 323 ch = toascii(ch); 324 meta = 1; 325 } else 326 meta = 0; 327 if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n')) 328 (void)putchar(ch); 329 else { 330 (void)putchar('^'); 331 (void)putchar(ch == '\177' ? '?' : ch | 0100); 332 } 333 } 334