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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved
*
* $Header$
*/
#if !defined(lint) && !defined(__CODECENTER__)
static char *rcsid = "$Header$";
#endif
#include "k5-int.h"
#include <kdb.h>
#include <ctype.h>
#include <pwd.h>
/* for strcasecmp */
#include <string.h>
#include "server_internal.h"
kadm5_ret_t
adb_policy_init(kadm5_server_handle_t handle)
{
/* now policy is initialized as part of database. No seperate call needed */
if( krb5_db_inited( handle->context ) )
return KADM5_OK;
return krb5_db_open( handle->context, NULL,
KRB5_KDB_OPEN_RW | KRB5_KDB_SRV_TYPE_ADMIN );
}
kadm5_ret_t
adb_policy_close(kadm5_server_handle_t handle)
{
/* will be taken care by database close */
return KADM5_OK;
}
#ifdef HESIOD
/* stolen from v4sever/kadm_funcs.c */
static char *
reverse(str)
char *str;
{
static char newstr[80];
char *p, *q;
int i;
i = strlen(str);
if (i >= sizeof(newstr))
i = sizeof(newstr)-1;
p = str+i-1;
q = newstr;
q[i]='\0';
for(; i > 0; i--)
*q++ = *p--;
return(newstr);
}
#endif /* HESIOD */
#if 0
static int
lower(str)
char *str;
{
register char *cp;
int effect=0;
for (cp = str; *cp; cp++) {
if (isupper(*cp)) {
*cp = tolower(*cp);
effect++;
}
}
return(effect);
}
#endif
#ifdef HESIOD
static int
str_check_gecos(gecos, pwstr)
char *gecos;
char *pwstr;
{
char *cp, *ncp, *tcp;
for (cp = gecos; *cp; ) {
/* Skip past punctuation */
for (; *cp; cp++)
if (isalnum(*cp))
break;
/* Skip to the end of the word */
for (ncp = cp; *ncp; ncp++)
if (!isalnum(*ncp) && *ncp != '\'')
break;
/* Delimit end of word */
if (*ncp)
*ncp++ = '\0';
/* Check word to see if it's the password */
if (*cp) {
if (!strcasecmp(pwstr, cp))
return 1;
tcp = reverse(cp);
if (!strcasecmp(pwstr, tcp))
return 1;
cp = ncp;
} else
break;
}
return 0;
}
#endif /* HESIOD */
/* some of this is stolen from gatekeeper ... */
kadm5_ret_t
passwd_check(kadm5_server_handle_t handle,
char *password, int use_policy, kadm5_policy_ent_t pol,
krb5_principal principal)
{
int nupper = 0,
nlower = 0,
ndigit = 0,
npunct = 0,
nspec = 0;
char c, *s, *cp;
#ifdef HESIOD
extern struct passwd *hes_getpwnam();
struct passwd *ent;
#endif
if(use_policy) {
if(strlen(password) < pol->pw_min_length)
return KADM5_PASS_Q_TOOSHORT;
s = password;
while ((c = *s++)) {
if (islower((unsigned char) c)) {
nlower = 1;
continue;
}
else if (isupper((unsigned char) c)) {
nupper = 1;
continue;
} else if (isdigit((unsigned char) c)) {
ndigit = 1;
continue;
} else if (ispunct((unsigned char) c)) {
npunct = 1;
continue;
} else {
nspec = 1;
continue;
}
}
if ((nupper + nlower + ndigit + npunct + nspec) < pol->pw_min_classes)
return KADM5_PASS_Q_CLASS;
if((find_word(password) == KADM5_OK))
return KADM5_PASS_Q_DICT;
else {
int i, n = krb5_princ_size(handle->context, principal);
cp = krb5_princ_realm(handle->context, principal)->data;
if (strcasecmp(cp, password) == 0)
return KADM5_PASS_Q_DICT;
for (i = 0; i < n ; i++) {
cp = krb5_princ_component(handle->context, principal, i)->data;
if (strcasecmp(cp, password) == 0)
return KADM5_PASS_Q_DICT;
#ifdef HESIOD
ent = hes_getpwnam(cp);
if (ent && ent->pw_gecos)
if (str_check_gecos(ent->pw_gecos, password))
return KADM5_PASS_Q_DICT; /* XXX new error code? */
#endif
}
return KADM5_OK;
}
} else {
if (strlen(password) < 1)
return KADM5_PASS_Q_TOOSHORT;
}
return KADM5_OK;
}
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