mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 01:38:57 +00:00
276 lines
6.9 KiB
C
276 lines
6.9 KiB
C
/*
|
|
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
|
|
* For copying and distribution information, please see the file
|
|
* <Copyright.MIT>.
|
|
*
|
|
* Lists your current Kerberos tickets.
|
|
* Written by Bill Sommerfeld, MIT Project Athena.
|
|
*
|
|
* from: klist.c,v 4.15 89/08/30 11:19:16 jtkohl Exp $
|
|
* $Id: klist.c,v 1.1.1.1 1994/09/30 14:49:58 csgr Exp $
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char rcsid[] =
|
|
"$Id: klist.c,v 1.1.1.1 1994/09/30 14:49:58 csgr Exp $";
|
|
#endif lint
|
|
|
|
#include <stdio.h>
|
|
#include <strings.h>
|
|
#include <sys/file.h>
|
|
#include <krb.h>
|
|
#include <prot.h>
|
|
|
|
char *tkt_string();
|
|
char *short_date();
|
|
char *whoami; /* What was I invoked as?? */
|
|
char *getenv();
|
|
|
|
extern char *krb_err_txt[];
|
|
|
|
/* ARGSUSED */
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int long_form = 1;
|
|
int tgt_test = 0;
|
|
int do_srvtab = 0;
|
|
char *tkt_file = NULL;
|
|
char *cp;
|
|
|
|
whoami = (cp = rindex(*argv, '/')) ? cp + 1 : *argv;
|
|
|
|
while (*(++argv)) {
|
|
if (!strcmp(*argv, "-s")) {
|
|
long_form = 0;
|
|
continue;
|
|
}
|
|
if (!strcmp(*argv, "-t")) {
|
|
tgt_test = 1;
|
|
long_form = 0;
|
|
continue;
|
|
}
|
|
if (!strcmp(*argv, "-l")) { /* now default */
|
|
continue;
|
|
}
|
|
if (!strcmp(*argv, "-file")) {
|
|
if (*(++argv)) {
|
|
tkt_file = *argv;
|
|
continue;
|
|
} else
|
|
usage();
|
|
}
|
|
if (!strcmp(*argv, "-srvtab")) {
|
|
if (tkt_file == NULL) /* if no other file spec'ed,
|
|
set file to default srvtab */
|
|
tkt_file = KEYFILE;
|
|
do_srvtab = 1;
|
|
continue;
|
|
}
|
|
usage();
|
|
}
|
|
|
|
if (do_srvtab)
|
|
display_srvtab(tkt_file);
|
|
else
|
|
display_tktfile(tkt_file, tgt_test, long_form);
|
|
exit(0);
|
|
}
|
|
|
|
|
|
display_tktfile(file, tgt_test, long_form)
|
|
char *file;
|
|
int tgt_test, long_form;
|
|
{
|
|
char pname[ANAME_SZ];
|
|
char pinst[INST_SZ];
|
|
char prealm[REALM_SZ];
|
|
char buf1[20], buf2[20];
|
|
int k_errno;
|
|
CREDENTIALS c;
|
|
int header = 1;
|
|
|
|
if ((file == NULL) && ((file = getenv("KRBTKFILE")) == NULL))
|
|
file = TKT_FILE;
|
|
|
|
if (long_form)
|
|
printf("Ticket file: %s\n", file);
|
|
|
|
/*
|
|
* Since krb_get_tf_realm will return a ticket_file error,
|
|
* we will call tf_init and tf_close first to filter out
|
|
* things like no ticket file. Otherwise, the error that
|
|
* the user would see would be
|
|
* klist: can't find realm of ticket file: No ticket file (tf_util)
|
|
* instead of
|
|
* klist: No ticket file (tf_util)
|
|
*/
|
|
|
|
/* Open ticket file */
|
|
if (k_errno = tf_init(file, R_TKT_FIL)) {
|
|
if (!tgt_test)
|
|
fprintf(stderr, "%s: %s\n", whoami, krb_err_txt[k_errno]);
|
|
exit(1);
|
|
}
|
|
/* Close ticket file */
|
|
(void) tf_close();
|
|
|
|
/*
|
|
* We must find the realm of the ticket file here before calling
|
|
* tf_init because since the realm of the ticket file is not
|
|
* really stored in the principal section of the file, the
|
|
* routine we use must itself call tf_init and tf_close.
|
|
*/
|
|
if ((k_errno = krb_get_tf_realm(file, prealm)) != KSUCCESS) {
|
|
if (!tgt_test)
|
|
fprintf(stderr, "%s: can't find realm of ticket file: %s\n",
|
|
whoami, krb_err_txt[k_errno]);
|
|
exit(1);
|
|
}
|
|
|
|
/* Open ticket file */
|
|
if (k_errno = tf_init(file, R_TKT_FIL)) {
|
|
if (!tgt_test)
|
|
fprintf(stderr, "%s: %s\n", whoami, krb_err_txt[k_errno]);
|
|
exit(1);
|
|
}
|
|
/* Get principal name and instance */
|
|
if ((k_errno = tf_get_pname(pname)) ||
|
|
(k_errno = tf_get_pinst(pinst))) {
|
|
if (!tgt_test)
|
|
fprintf(stderr, "%s: %s\n", whoami, krb_err_txt[k_errno]);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* You may think that this is the obvious place to get the
|
|
* realm of the ticket file, but it can't be done here as the
|
|
* routine to do this must open the ticket file. This is why
|
|
* it was done before tf_init.
|
|
*/
|
|
|
|
if (!tgt_test && long_form)
|
|
printf("Principal:\t%s%s%s%s%s\n\n", pname,
|
|
(pinst[0] ? "." : ""), pinst,
|
|
(prealm[0] ? "@" : ""), prealm);
|
|
while ((k_errno = tf_get_cred(&c)) == KSUCCESS) {
|
|
if (!tgt_test && long_form && header) {
|
|
printf("%-15s %-15s %s\n",
|
|
" Issued", " Expires", " Principal");
|
|
header = 0;
|
|
}
|
|
if (tgt_test) {
|
|
c.issue_date += ((unsigned char) c.lifetime) * 5 * 60;
|
|
if (!strcmp(c.service, TICKET_GRANTING_TICKET) &&
|
|
!strcmp(c.instance, prealm)) {
|
|
if (time(0) < c.issue_date)
|
|
exit(0); /* tgt hasn't expired */
|
|
else
|
|
exit(1); /* has expired */
|
|
}
|
|
continue; /* not a tgt */
|
|
}
|
|
if (long_form) {
|
|
(void) strcpy(buf1, short_date(&c.issue_date));
|
|
c.issue_date += ((unsigned char) c.lifetime) * 5 * 60;
|
|
(void) strcpy(buf2, short_date(&c.issue_date));
|
|
printf("%s %s ", buf1, buf2);
|
|
}
|
|
printf("%s%s%s%s%s\n",
|
|
c.service, (c.instance[0] ? "." : ""), c.instance,
|
|
(c.realm[0] ? "@" : ""), c.realm);
|
|
}
|
|
if (tgt_test)
|
|
exit(1); /* no tgt found */
|
|
if (header && long_form && k_errno == EOF) {
|
|
printf("No tickets in file.\n");
|
|
}
|
|
}
|
|
|
|
char *
|
|
short_date(dp)
|
|
long *dp;
|
|
{
|
|
register char *cp;
|
|
extern char *ctime();
|
|
cp = ctime(dp) + 4;
|
|
cp[15] = '\0';
|
|
return (cp);
|
|
}
|
|
|
|
usage()
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s [ -s | -t ] [ -file filename ] [ -srvtab ]\n", whoami);
|
|
exit(1);
|
|
}
|
|
|
|
display_srvtab(file)
|
|
char *file;
|
|
{
|
|
int stab;
|
|
char serv[SNAME_SZ];
|
|
char inst[INST_SZ];
|
|
char rlm[REALM_SZ];
|
|
unsigned char key[8];
|
|
unsigned char vno;
|
|
int count;
|
|
|
|
printf("Server key file: %s\n", file);
|
|
|
|
if ((stab = open(file, O_RDONLY, 0400)) < 0) {
|
|
perror(file);
|
|
exit(1);
|
|
}
|
|
printf("%-15s %-15s %-10s %s\n","Service","Instance","Realm",
|
|
"Key Version");
|
|
printf("------------------------------------------------------\n");
|
|
|
|
/* argh. getst doesn't return error codes, it silently fails */
|
|
while (((count = ok_getst(stab, serv, SNAME_SZ)) > 0)
|
|
&& ((count = ok_getst(stab, inst, INST_SZ)) > 0)
|
|
&& ((count = ok_getst(stab, rlm, REALM_SZ)) > 0)) {
|
|
if (((count = read(stab,(char *) &vno,1)) != 1) ||
|
|
((count = read(stab,(char *) key,8)) != 8)) {
|
|
if (count < 0)
|
|
perror("reading from key file");
|
|
else
|
|
fprintf(stderr, "key file truncated\n");
|
|
exit(1);
|
|
}
|
|
printf("%-15s %-15s %-15s %d\n",serv,inst,rlm,vno);
|
|
}
|
|
if (count < 0)
|
|
perror(file);
|
|
(void) close(stab);
|
|
}
|
|
|
|
/* adapted from getst() in librkb */
|
|
/*
|
|
* ok_getst() takes a file descriptor, a string and a count. It reads
|
|
* from the file until either it has read "count" characters, or until
|
|
* it reads a null byte. When finished, what has been read exists in
|
|
* the given string "s". If "count" characters were actually read, the
|
|
* last is changed to a null, so the returned string is always null-
|
|
* terminated. ok_getst() returns the number of characters read, including
|
|
* the null terminator.
|
|
*
|
|
* If there is a read error, it returns -1 (like the read(2) system call)
|
|
*/
|
|
|
|
ok_getst(fd, s, n)
|
|
int fd;
|
|
register char *s;
|
|
{
|
|
register count = n;
|
|
int err;
|
|
while ((err = read(fd, s, 1)) > 0 && --count)
|
|
if (*s++ == '\0')
|
|
return (n - count);
|
|
if (err < 0)
|
|
return(-1);
|
|
*s = '\0';
|
|
return (n - count);
|
|
}
|