1 /* $OpenBSD: finger.h,v 1.8 2015/03/15 00:41:28 millert Exp $ */ 2 /* 3 * Copyright (c) 1989 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Tony Nardo of the Johns Hopkins University/Applied Physics Lab. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)finger.h 5.5 (Berkeley) 6/1/90 34 */ 35 36 #include <pwd.h> 37 #include <utmp.h> 38 39 #define _PATH_MAILSPOOL "/var/mail" 40 41 #define SECSPERDAY (24 * 60 * 60) 42 #define SIXMONTHS (SECSPERDAY * 365 / 2) 43 44 /* 45 * All unique persons are linked in a list headed by "head" and linkd 46 * by the "next" field, as well as kept in a hash table. 47 */ 48 49 typedef struct person { 50 struct person *next; /* link to next person */ 51 struct person *hlink; /* link to next person in hash bucket */ 52 uid_t uid; /* user id */ 53 char *dir; /* user's home directory */ 54 char *homephone; /* pointer to home phone no. */ 55 char *name; /* login name */ 56 char *office; /* pointer to office name */ 57 char *officephone; /* pointer to office phone no. */ 58 char *realname; /* pointer to full name */ 59 char *shell; /* user's shell */ 60 time_t mailread; /* last time mail was read */ 61 time_t mailrecv; /* last time mail was read */ 62 struct where *whead, *wtail; /* list of where he is or has been */ 63 } PERSON; 64 65 enum status { LASTLOG, LOGGEDIN }; 66 67 typedef struct where { 68 struct where *next; /* next place he is or has been */ 69 enum status info; /* type/status of request */ 70 short writable; /* tty is writable */ 71 time_t loginat; /* time of (last) login */ 72 time_t idletime; /* how long idle (if logged in) */ 73 char tty[UT_LINESIZE+1]; /* null terminated tty line */ 74 char host[UT_HOSTSIZE+1]; /* null terminated remote host name */ 75 } WHERE; 76 77 #define HBITS 8 /* number of bits in hash code */ 78 #define HSIZE (1 << 8) /* hash table size */ 79 #define HMASK (HSIZE - 1) /* hash code mask */ 80 81 extern PERSON *htab[HSIZE]; /* the buckets */ 82 extern PERSON *phead, *ptail; /* the linked list of all people */ 83