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 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)lprint.c 8.1 (Berkeley) 06/06/93"; 13 #endif /* not lint */ 14 15 #include <sys/types.h> 16 #include <sys/stat.h> 17 #include <sys/time.h> 18 #include <fcntl.h> 19 #include <time.h> 20 #include <tzfile.h> 21 #include <db.h> 22 #include <pwd.h> 23 #include <utmp.h> 24 #include <errno.h> 25 #include <unistd.h> 26 #include <stdio.h> 27 #include <ctype.h> 28 #include <string.h> 29 #include <paths.h> 30 #include "finger.h" 31 32 #define LINE_LEN 80 33 #define TAB_LEN 8 /* 8 spaces between tabs */ 34 #define _PATH_FORWARD ".forward" 35 #define _PATH_PLAN ".plan" 36 #define _PATH_PROJECT ".project" 37 38 static int demi_print __P((char *, int)); 39 static void lprint __P((PERSON *)); 40 static int show_text __P((char *, char *, char *)); 41 static void vputc __P((int)); 42 43 void 44 lflag_print() 45 { 46 extern int pplan; 47 register PERSON *pn; 48 register int sflag, r; 49 DBT data, key; 50 51 for (sflag = R_FIRST;; sflag = R_NEXT) { 52 r = (*db->seq)(db, &key, &data, sflag); 53 if (r == -1) 54 err("db seq: %s", strerror(errno)); 55 if (r == 1) 56 break; 57 pn = *(PERSON **)data.data; 58 if (sflag != R_FIRST) 59 putchar('\n'); 60 lprint(pn); 61 if (!pplan) { 62 (void)show_text(pn->dir, 63 _PATH_FORWARD, "Mail forwarded to"); 64 (void)show_text(pn->dir, _PATH_PROJECT, "Project"); 65 if (!show_text(pn->dir, _PATH_PLAN, "Plan")) 66 (void)printf("No Plan.\n"); 67 } 68 } 69 } 70 71 static void 72 lprint(pn) 73 register PERSON *pn; 74 { 75 extern time_t now; 76 register struct tm *delta; 77 register WHERE *w; 78 register int cpr, len, maxlen; 79 struct tm *tp; 80 int oddfield; 81 char *t, *tzn; 82 83 /* 84 * long format -- 85 * login name 86 * real name 87 * home directory 88 * shell 89 * office, office phone, home phone if available 90 */ 91 (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s", 92 pn->name, pn->realname, pn->dir); 93 (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL); 94 95 /* 96 * try and print office, office phone, and home phone on one line; 97 * if that fails, do line filling so it looks nice. 98 */ 99 #define OFFICE_TAG "Office" 100 #define OFFICE_PHONE_TAG "Office Phone" 101 oddfield = 0; 102 if (pn->office && pn->officephone && 103 strlen(pn->office) + strlen(pn->officephone) + 104 sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) { 105 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s, %s", 106 OFFICE_TAG, pn->office, prphone(pn->officephone)); 107 oddfield = demi_print(tbuf, oddfield); 108 } else { 109 if (pn->office) { 110 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 111 OFFICE_TAG, pn->office); 112 oddfield = demi_print(tbuf, oddfield); 113 } 114 if (pn->officephone) { 115 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", 116 OFFICE_PHONE_TAG, prphone(pn->officephone)); 117 oddfield = demi_print(tbuf, oddfield); 118 } 119 } 120 if (pn->homephone) { 121 (void)snprintf(tbuf, sizeof(tbuf), "%s: %s", "Home Phone", 122 prphone(pn->homephone)); 123 oddfield = demi_print(tbuf, oddfield); 124 } 125 if (oddfield) 126 putchar('\n'); 127 128 /* 129 * long format con't: * if logged in 130 * terminal 131 * idle time 132 * if messages allowed 133 * where logged in from 134 * if not logged in 135 * when last logged in 136 */ 137 /* find out longest device name for this user for formatting */ 138 for (w = pn->whead, maxlen = -1; w != NULL; w = w->next) 139 if ((len = strlen(w->tty)) > maxlen) 140 maxlen = len; 141 /* find rest of entries for user */ 142 for (w = pn->whead; w != NULL; w = w->next) { 143 switch (w->info) { 144 case LOGGEDIN: 145 tp = localtime(&w->loginat); 146 t = asctime(tp); 147 tzn = tp->tm_zone; 148 cpr = printf("On since %.16s (%s) on %s", 149 t, tzn, w->tty); 150 /* 151 * idle time is tough; if have one, print a comma, 152 * then spaces to pad out the device name, then the 153 * idle time. Follow with a comma if a remote login. 154 */ 155 delta = gmtime(&w->idletime); 156 if (delta->tm_yday || delta->tm_hour || delta->tm_min) { 157 cpr += printf("%-*s idle ", 158 maxlen - strlen(w->tty) + 1, ","); 159 if (delta->tm_yday > 0) { 160 cpr += printf("%d day%s ", 161 delta->tm_yday, 162 delta->tm_yday == 1 ? "" : "s"); 163 } 164 cpr += printf("%d:%02d", 165 delta->tm_hour, delta->tm_min); 166 if (*w->host) { 167 putchar(','); 168 ++cpr; 169 } 170 } 171 if (!w->writable) 172 cpr += printf(" (messages off)"); 173 break; 174 case LASTLOG: 175 if (w->loginat == 0) { 176 (void)printf("Never logged in."); 177 break; 178 } 179 tp = localtime(&w->loginat); 180 t = asctime(tp); 181 tzn = tp->tm_zone; 182 if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2) 183 cpr = 184 printf("Last login %.16s %.4s (%s) on %s", 185 t, t + 20, tzn, w->tty); 186 else 187 cpr = printf("Last login %.16s (%s) on %s", 188 t, tzn, w->tty); 189 break; 190 } 191 if (*w->host) { 192 if (LINE_LEN < (cpr + 6 + strlen(w->host))) 193 (void)printf("\n "); 194 (void)printf(" from %s", w->host); 195 } 196 putchar('\n'); 197 } 198 } 199 200 static int 201 demi_print(str, oddfield) 202 char *str; 203 int oddfield; 204 { 205 static int lenlast; 206 int lenthis, maxlen; 207 208 lenthis = strlen(str); 209 if (oddfield) { 210 /* 211 * We left off on an odd number of fields. If we haven't 212 * crossed the midpoint of the screen, and we have room for 213 * the next field, print it on the same line; otherwise, 214 * print it on a new line. 215 * 216 * Note: we insist on having the right hand fields start 217 * no less than 5 tabs out. 218 */ 219 maxlen = 5 * TAB_LEN; 220 if (maxlen < lenlast) 221 maxlen = lenlast; 222 if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) + 223 lenthis) <= LINE_LEN) { 224 while(lenlast < (4 * TAB_LEN)) { 225 putchar('\t'); 226 lenlast += TAB_LEN; 227 } 228 (void)printf("\t%s\n", str); /* force one tab */ 229 } else { 230 (void)printf("\n%s", str); /* go to next line */ 231 oddfield = !oddfield; /* this'll be undone below */ 232 } 233 } else 234 (void)printf("%s", str); 235 oddfield = !oddfield; /* toggle odd/even marker */ 236 lenlast = lenthis; 237 return(oddfield); 238 } 239 240 static int 241 show_text(directory, file_name, header) 242 char *directory, *file_name, *header; 243 { 244 struct stat sb; 245 register FILE *fp; 246 register int ch, cnt, lastc; 247 register char *p; 248 int fd, nr; 249 250 (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", directory, file_name); 251 if ((fd = open(tbuf, O_RDONLY)) < 0 || fstat(fd, &sb) || 252 sb.st_size == 0) 253 return(0); 254 255 /* If short enough, and no newlines, show it on a single line.*/ 256 if (sb.st_size <= LINE_LEN - strlen(header) - 5) { 257 nr = read(fd, tbuf, sizeof(tbuf)); 258 if (nr <= 0) { 259 (void)close(fd); 260 return(0); 261 } 262 for (p = tbuf, cnt = nr; cnt--; ++p) 263 if (*p == '\n') 264 break; 265 if (cnt <= 1) { 266 (void)printf("%s: ", header); 267 for (p = tbuf, cnt = nr; cnt--; ++p) 268 vputc(lastc = *p); 269 if (lastc != '\n') 270 (void)putchar('\n'); 271 (void)close(fd); 272 return(1); 273 } 274 else 275 (void)lseek(fd, 0L, SEEK_SET); 276 } 277 if ((fp = fdopen(fd, "r")) == NULL) 278 return(0); 279 (void)printf("%s:\n", header); 280 while ((ch = getc(fp)) != EOF) 281 vputc(lastc = ch); 282 if (lastc != '\n') 283 (void)putchar('\n'); 284 (void)fclose(fp); 285 return(1); 286 } 287 288 static void 289 vputc(ch) 290 register int ch; 291 { 292 int meta; 293 294 if (!isascii(ch)) { 295 (void)putchar('M'); 296 (void)putchar('-'); 297 ch = toascii(ch); 298 meta = 1; 299 } else 300 meta = 0; 301 if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n')) 302 (void)putchar(ch); 303 else { 304 (void)putchar('^'); 305 (void)putchar(ch == '\177' ? '?' : ch | 0100); 306 } 307 } 308