HardenedBSD/lib/libskey/skey_crypt.c
Guido van Rooij 3653271054 Move skey.h to /usr/include so other packages will be able to use
libskey. (such as wu-ftp and xdm).
Editted skey so it matches the standard /usr/include way.
1994-06-02 20:25:30 +00:00

38 lines
887 B
C

/* Author: Wietse Venema, Eindhoven University of Technology. */
#include <string.h>
#include <stdio.h>
#include <pwd.h>
#include <skey.h>
/* skey_crypt - return encrypted UNIX passwd if s/key or regular password ok */
char *skey_crypt(pp, salt, pwd, pwok)
char *pp;
char *salt;
struct passwd *pwd;
int pwok;
{
struct skey skey;
char *p;
char *crypt();
/* Try s/key authentication even when the UNIX password is permitted. */
if (pwd != 0 && skeylookup(&skey, pwd->pw_name) == 0
&& skeyverify(&skey, pp) == 0) {
/* s/key authentication succeeded */
return (pwd->pw_passwd);
}
/* When s/key authentication does not work, always invoke crypt(). */
p = crypt(pp, salt);
if (pwok && pwd != 0 && strcmp(p, pwd->pw_passwd) == 0)
return (pwd->pw_passwd);
/* The user does not exist or entered bad input. */
return (":");
}