diff options
Diffstat (limited to 'usr.bin/finger/util.c')
| -rw-r--r-- | usr.bin/finger/util.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/usr.bin/finger/util.c b/usr.bin/finger/util.c deleted file mode 100644 index c27cf1b..0000000 --- a/usr.bin/finger/util.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Tony Nardo of the Johns Hopkins University/Applied Physics Lab. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)util.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <db.h> -#include <pwd.h> -#include <utmp.h> -#include <errno.h> -#include <unistd.h> -#include <stdio.h> -#include <ctype.h> -#include <stdlib.h> -#include <string.h> -#include <paths.h> -#include "finger.h" - -static void find_idle_and_ttywrite __P((WHERE *)); -static void userinfo __P((PERSON *, struct passwd *)); -static WHERE *walloc __P((PERSON *)); - -int -match(pw, user) - struct passwd *pw; - char *user; -{ - register char *p, *t; - char name[1024]; - - if (!strcasecmp(pw->pw_name, user)) - return(1); - - /* - * XXX - * Why do we skip asterisks!?!? - */ - (void)strcpy(p = tbuf, pw->pw_gecos); - if (*p == '*') - ++p; - - /* Ampersands get replaced by the login name. */ - if ((p = strtok(p, ",")) == NULL) - return(0); - - for (t = name; *t = *p; ++p) - if (*t == '&') { - (void)strcpy(t, pw->pw_name); - while (*++t); - } - else - ++t; - for (t = name; p = strtok(t, "\t "); t = NULL) - if (!strcasecmp(p, user)) - return(1); - return(0); -} - -void -enter_lastlog(pn) - register PERSON *pn; -{ - register WHERE *w; - static int opened, fd; - struct lastlog ll; - char doit = 0; - - /* some systems may not maintain lastlog, don't report errors. */ - if (!opened) { - fd = open(_PATH_LASTLOG, O_RDONLY, 0); - opened = 1; - } - if (fd == -1 || - lseek(fd, (long)pn->uid * sizeof(ll), SEEK_SET) != - (long)pn->uid * sizeof(ll) || - read(fd, (char *)&ll, sizeof(ll)) != sizeof(ll)) { - /* as if never logged in */ - ll.ll_line[0] = ll.ll_host[0] = NULL; - ll.ll_time = 0; - } - if ((w = pn->whead) == NULL) - doit = 1; - else if (ll.ll_time != 0) { - /* if last login is earlier than some current login */ - for (; !doit && w != NULL; w = w->next) - if (w->info == LOGGEDIN && w->loginat < ll.ll_time) - doit = 1; - /* - * and if it's not any of the current logins - * can't use time comparison because there may be a small - * discrepency since login calls time() twice - */ - for (w = pn->whead; doit && w != NULL; w = w->next) - if (w->info == LOGGEDIN && - strncmp(w->tty, ll.ll_line, UT_LINESIZE) == 0) - doit = 0; - } - if (doit) { - w = walloc(pn); - w->info = LASTLOG; - bcopy(ll.ll_line, w->tty, UT_LINESIZE); - w->tty[UT_LINESIZE] = 0; - bcopy(ll.ll_host, w->host, UT_HOSTSIZE); - w->host[UT_HOSTSIZE] = 0; - w->loginat = ll.ll_time; - } -} - -void -enter_where(ut, pn) - struct utmp *ut; - PERSON *pn; -{ - register WHERE *w; - - w = walloc(pn); - w->info = LOGGEDIN; - bcopy(ut->ut_line, w->tty, UT_LINESIZE); - w->tty[UT_LINESIZE] = 0; - bcopy(ut->ut_host, w->host, UT_HOSTSIZE); - w->host[UT_HOSTSIZE] = 0; - w->loginat = (time_t)ut->ut_time; - find_idle_and_ttywrite(w); -} - -PERSON * -enter_person(pw) - register struct passwd *pw; -{ - DBT data, key; - PERSON *pn; - - if (db == NULL && - (db = dbopen(NULL, O_RDWR, 0, DB_BTREE, NULL)) == NULL) - err("%s", strerror(errno)); - - key.data = pw->pw_name; - key.size = strlen(pw->pw_name); - - switch((*db->get)(db, &key, &data, 0)) { - case 0: - return(*(PERSON **)data.data); - default: - case -1: - err("db get: %s", strerror(errno)); - /* NOTREACHED */ - case 1: - ++entries; - pn = palloc(); - userinfo(pn, pw); - pn->whead = NULL; - - data.size = sizeof(PERSON *); - data.data = &pn; - if ((*db->put)(db, &key, &data, 0)) - err("%s", strerror(errno)); - return(pn); - } -} - -PERSON * -find_person(name) - char *name; -{ - register int cnt; - DBT data, key; - char buf[UT_NAMESIZE + 1]; - - if (!db) - return(NULL); - - /* Name may be only UT_NAMESIZE long and not NUL terminated. */ - for (cnt = 0; cnt < UT_NAMESIZE && *name; ++name, ++cnt) - buf[cnt] = *name; - buf[cnt] = '\0'; - key.data = buf; - key.size = cnt; - - return((*db->get)(db, &key, &data, 0) ? NULL : *(PERSON **)data.data); -} - -PERSON * -palloc() -{ - PERSON *p; - - if ((p = malloc((u_int) sizeof(PERSON))) == NULL) - err("%s", strerror(errno)); - return(p); -} - -static WHERE * -walloc(pn) - register PERSON *pn; -{ - register WHERE *w; - - if ((w = malloc((u_int) sizeof(WHERE))) == NULL) - err("%s", strerror(errno)); - if (pn->whead == NULL) - pn->whead = pn->wtail = w; - else { - pn->wtail->next = w; - pn->wtail = w; - } - w->next = NULL; - return(w); -} - -char * -prphone(num) - char *num; -{ - register char *p; - int len; - static char pbuf[15]; - - /* don't touch anything if the user has their own formatting */ - for (p = num; *p; ++p) - if (!isdigit(*p)) - return(num); - len = p - num; - p = pbuf; - switch(len) { - case 11: /* +0-123-456-7890 */ - *p++ = '+'; - *p++ = *num++; - *p++ = '-'; - /* FALLTHROUGH */ - case 10: /* 012-345-6789 */ - *p++ = *num++; - *p++ = *num++; - *p++ = *num++; - *p++ = '-'; - /* FALLTHROUGH */ - case 7: /* 012-3456 */ - *p++ = *num++; - *p++ = *num++; - *p++ = *num++; - break; - case 5: /* x0-1234 */ - *p++ = 'x'; - *p++ = *num++; - break; - default: - return(num); - } - *p++ = '-'; - *p++ = *num++; - *p++ = *num++; - *p++ = *num++; - *p++ = *num++; - *p = '\0'; - return(pbuf); -} - -static void -find_idle_and_ttywrite(w) - register WHERE *w; -{ - extern time_t now; - struct stat sb; - - (void)snprintf(tbuf, sizeof(tbuf), "%s/%s", _PATH_DEV, w->tty); - if (stat(tbuf, &sb) < 0) { - (void)fprintf(stderr, - "finger: %s: %s\n", tbuf, strerror(errno)); - return; - } - w->idletime = now < sb.st_atime ? 0 : now - sb.st_atime; - -#define TALKABLE 0220 /* tty is writable if 220 mode */ - w->writable = ((sb.st_mode & TALKABLE) == TALKABLE); -} - -static void -userinfo(pn, pw) - register PERSON *pn; - register struct passwd *pw; -{ - register char *p, *t; - char *bp, name[1024]; - - pn->realname = pn->office = pn->officephone = pn->homephone = NULL; - - pn->uid = pw->pw_uid; - pn->name = strdup(pw->pw_name); - pn->dir = strdup(pw->pw_dir); - pn->shell = strdup(pw->pw_shell); - - /* why do we skip asterisks!?!? */ - (void)strcpy(bp = tbuf, pw->pw_gecos); - if (*bp == '*') - ++bp; - - /* ampersands get replaced by the login name */ - if (!(p = strsep(&bp, ","))) - return; - for (t = name; *t = *p; ++p) - if (*t == '&') { - (void)strcpy(t, pw->pw_name); - if (islower(*t)) - *t = toupper(*t); - while (*++t); - } - else - ++t; - pn->realname = strdup(name); - pn->office = ((p = strsep(&bp, ",")) && *p) ? - strdup(p) : NULL; - pn->officephone = ((p = strsep(&bp, ",")) && *p) ? - strdup(p) : NULL; - pn->homephone = ((p = strsep(&bp, ",")) && *p) ? - strdup(p) : NULL; -} - -#if __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -void -#if __STDC__ -err(const char *fmt, ...) -#else -err(fmt, va_alist) - char *fmt; - va_dcl -#endif -{ - va_list ap; -#if __STDC__ - va_start(ap, fmt); -#else - va_start(ap); -#endif - (void)fprintf(stderr, "finger: "); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - (void)fprintf(stderr, "\n"); - exit(1); - /* NOTREACHED */ -} |
