freebsd-src/lib/libopie/opieextra.c
2002-03-22 00:12:20 +00:00

99 lines
1.5 KiB
C

/*
* This file contains routines modified from OpenBSD. Parts are contributed
* by Todd Miller <millert@openbsd.org>, Theo De Raadt <deraadt@openbsd.org>
* and possibly others.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <stdio.h>
#include <opie.h>
/*
* opie_haopie()
*
* Returns: 1 user doesnt exist, -1 file error, 0 user exists.
*
*/
int
opie_haskey(username)
char *username;
{
struct opie opie;
return opielookup(&opie, username);
}
/*
* opie_keyinfo()
*
* Returns the current sequence number and
* seed for the passed user.
*
*/
char *
opie_keyinfo(username)
char *username;
{
int i;
static char str[OPIE_CHALLENGE_MAX];
struct opie opie;
i = opiechallenge(&opie, username, str);
if (i == -1)
return(0);
return(str);
}
/*
* opie_passverify()
*
* Check to see if answer is the correct one to the current
* challenge.
*
* Returns: 0 success, -1 failure
*
*/
int
opie_passverify(username, passwd)
char *username;
char *passwd;
{
int i;
struct opie opie;
i = opielookup(&opie, username);
if (i == -1 || i == 1)
return(-1);
if (opieverify(&opie, passwd) == 0)
return(opie.opie_n);
return(-1);
}
#define OPIE_HASH_DEFAULT 1
/* Current hash type (index into opie_hash_types array) */
static int opie_hash_type = OPIE_HASH_DEFAULT;
struct opie_algorithm_table {
const char *name;
};
static struct opie_algorithm_table opie_algorithm_table[] = {
"md4", "md5"
};
/* Get current hash type */
const char *
opie_get_algorithm()
{
return(opie_algorithm_table[opie_hash_type].name);
}