/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
- * lutil_password(credentials, password)
+ * int lutil_passwd(
+ * const struct berval *passwd,
+ * const struct berval *cred,
+ * const char **schemes )
*
- * Returns true if user supplied credentials matches
- * the stored password.
+ * Returns true if user supplied credentials (cred) matches
+ * the stored password (passwd).
*
* Due to the use of the crypt(3) function
* this routine is NOT thread-safe.
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/string.h>
+#include <ac/unistd.h>
+
+#ifdef SLAPD_SPASSWD
+# ifdef HAVE_SASL_SASL_H
+# include <sasl/sasl.h>
+# else
+# include <sasl.h>
+# endif
+#endif
#ifdef SLAPD_KPASSWD
# include <ac/krb.h>
# include <ac/krb5.h>
#endif
+/* KPASSWD/krb.h brings in a conflicting des.h so don't use both.
+ * configure currently requires OpenSSL to enable LMHASH. Obviously
+ * this requirement can be fulfilled by the KRB DES library as well.
+ */
+#if defined(SLAPD_LMHASH) && !defined(DES_ENCRYPT)
+# include <openssl/des.h>
+#endif /* SLAPD_LMHASH */
+
#include <ac/param.h>
-#include <ac/unistd.h>
-#include <ac/crypt.h>
+#ifdef SLAPD_CRYPT
-#ifdef HAVE_SHADOW_H
+# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD )
+# ifdef HAVE_SHADOW_H
# include <shadow.h>
-#endif
-#ifdef HAVE_PWD_H
+# endif
+# ifdef HAVE_PWD_H
# include <pwd.h>
+# endif
+# ifdef HAVE_AIX_SECURITY
+# include <userpw.h>
+# endif
+# endif
#endif
#include <lber.h>
+#include "ldap_pvt.h"
+#include "lber_pvt.h"
+
#include "lutil_md5.h"
#include "lutil_sha1.h"
#include "lutil.h"
static const unsigned char crypt64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890./";
-struct pw_scheme;
-
-typedef int (*PASSWD_CHK_FUNC)(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
-
-typedef struct berval * (*PASSWD_HASH_FUNC) (
- const struct pw_scheme *scheme,
- const struct berval *passwd );
+#ifdef SLAPD_CRYPT
+static char *salt_format = NULL;
+#endif
struct pw_scheme {
struct berval name;
- PASSWD_CHK_FUNC chk_fn;
- PASSWD_HASH_FUNC hash_fn;
+ LUTIL_PASSWD_CHK_FUNC *chk_fn;
+ LUTIL_PASSWD_HASH_FUNC *hash_fn;
+};
+
+struct pw_slist {
+ struct pw_slist *next;
+ struct pw_scheme s;
};
/* password check routines */
-static int chk_md5(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
-static int chk_smd5(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
+static LUTIL_PASSWD_CHK_FUNC chk_md5;
+static LUTIL_PASSWD_CHK_FUNC chk_smd5;
+static LUTIL_PASSWD_HASH_FUNC hash_smd5;
+static LUTIL_PASSWD_HASH_FUNC hash_md5;
-static int chk_ssha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
-static int chk_sha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
+#ifdef LUTIL_SHA1_BYTES
+static LUTIL_PASSWD_CHK_FUNC chk_ssha1;
+static LUTIL_PASSWD_CHK_FUNC chk_sha1;
+static LUTIL_PASSWD_HASH_FUNC hash_sha1;
+static LUTIL_PASSWD_HASH_FUNC hash_ssha1;
+#endif
-static int chk_kerberos(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
+#ifdef SLAPD_LMHASH
+static LUTIL_PASSWD_CHK_FUNC chk_lanman;
+static LUTIL_PASSWD_HASH_FUNC hash_lanman;
+#endif
-static int chk_crypt(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
+#ifdef SLAPD_NS_MTA_MD5
+static LUTIL_PASSWD_CHK_FUNC chk_ns_mta_md5;
+#endif
-static int chk_unix(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
+#ifdef SLAPD_SPASSWD
+static LUTIL_PASSWD_CHK_FUNC chk_sasl;
+#endif
+#ifdef SLAPD_KPASSWD
+static LUTIL_PASSWD_CHK_FUNC chk_kerberos;
+#endif
+
+#ifdef SLAPD_CRYPT
+static LUTIL_PASSWD_CHK_FUNC chk_crypt;
+static LUTIL_PASSWD_HASH_FUNC hash_crypt;
+
+#if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD )
+static LUTIL_PASSWD_CHK_FUNC chk_unix;
+#endif
+#endif
/* password hash routines */
-static struct berval *hash_sha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd );
-static struct berval *hash_ssha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd );
+#ifdef SLAPD_CLEARTEXT
+static LUTIL_PASSWD_HASH_FUNC hash_clear;
+#endif
-static struct berval *hash_smd5(
- const struct pw_scheme *scheme,
- const struct berval *passwd );
+static struct pw_slist *pw_schemes;
-static struct berval *hash_md5(
- const struct pw_scheme *scheme,
- const struct berval *passwd );
+static const struct pw_scheme pw_schemes_default[] =
+{
+#ifdef LUTIL_SHA1_BYTES
+ { BER_BVC("{SSHA}"), chk_ssha1, hash_ssha1 },
+ { BER_BVC("{SHA}"), chk_sha1, hash_sha1 },
+#endif
-static struct berval *hash_crypt(
- const struct pw_scheme *scheme,
- const struct berval *passwd );
+ { BER_BVC("{SMD5}"), chk_smd5, hash_smd5 },
+ { BER_BVC("{MD5}"), chk_md5, hash_md5 },
+#ifdef SLAPD_LMHASH
+ { BER_BVC("{LANMAN}"), chk_lanman, hash_lanman },
+#endif /* SLAPD_LMHASH */
-static const struct pw_scheme pw_schemes[] =
-{
- { {sizeof("{SSHA}")-1, "{SSHA}"}, chk_ssha1, hash_ssha1 },
- { {sizeof("{SHA}")-1, "{SHA}"}, chk_sha1, hash_sha1 },
+#ifdef SLAPD_NS_MTA_MD5
+ { BER_BVC("{NS-MTA-MD5}"), chk_ns_mta_md5, NULL },
+#endif /* SLAPD_NS_MTA_MD5 */
- { {sizeof("{SMD5}")-1, "{SMD5}"}, chk_smd5, hash_smd5 },
- { {sizeof("{MD5}")-1, "{MD5}"}, chk_md5, hash_md5 },
+#ifdef SLAPD_SPASSWD
+ { BER_BVC("{SASL}"), chk_sasl, NULL },
+#endif
#ifdef SLAPD_KPASSWD
- { {sizeof("{KERBEROS}")-1, "{KERBEROS}"}, chk_kerberos, NULL },
+ { BER_BVC("{KERBEROS}"), chk_kerberos, NULL },
#endif
#ifdef SLAPD_CRYPT
- { {sizeof("{CRYPT}")-1, "{CRYPT}"}, chk_crypt, hash_crypt },
-#endif
-# if defined( HAVE_GETSPNAM ) \
- || ( defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) )
- { {sizeof("{UNIX}")-1, "{UNIX}"}, chk_unix, NULL },
+ { BER_BVC("{CRYPT}"), chk_crypt, hash_crypt },
+# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD )
+ { BER_BVC("{UNIX}"), chk_unix, NULL },
+# endif
#endif
#ifdef SLAPD_CLEARTEXT
- /* psuedo scheme */
- { {0, "{CLEARTEXT}"}, NULL, NULL },
+ /* pseudo scheme */
+ { {0, "{CLEARTEXT}"}, NULL, hash_clear },
#endif
- { {0, NULL}, NULL, NULL }
+ { BER_BVNULL, NULL, NULL }
};
+int lutil_passwd_add(
+ struct berval *scheme,
+ LUTIL_PASSWD_CHK_FUNC *chk,
+ LUTIL_PASSWD_HASH_FUNC *hash )
+{
+ struct pw_slist *ptr;
+
+ ptr = ber_memalloc( sizeof( struct pw_slist ));
+ if (!ptr) return -1;
+ ptr->next = pw_schemes;
+ ptr->s.name = *scheme;
+ ptr->s.chk_fn = chk;
+ ptr->s.hash_fn = hash;
+ pw_schemes = ptr;
+ return 0;
+}
+
+void lutil_passwd_init()
+{
+ struct pw_slist *ptr;
+ struct pw_scheme *s;
+
+ for( s=(struct pw_scheme *)pw_schemes_default; s->name.bv_val; s++) {
+ if ( lutil_passwd_add( &s->name, s->chk_fn, s->hash_fn )) break;
+ }
+}
+
+void lutil_passwd_destroy()
+{
+ struct pw_slist *ptr, *next;
+
+ for( ptr=pw_schemes; ptr; ptr=next ) {
+ next = ptr->next;
+ ber_memfree( ptr );
+ }
+}
+
static const struct pw_scheme *get_scheme(
const char* scheme )
{
- int i;
+ struct pw_slist *pws;
- for( i=0; pw_schemes[i].name.bv_val; i++) {
- if( pw_schemes[i].name.bv_len == 0 ) continue;
+ if (!pw_schemes) lutil_passwd_init();
- if( strncasecmp(scheme, pw_schemes[i].name.bv_val,
- pw_schemes[i].name.bv_len) == 0 )
- {
- return &pw_schemes[i];
+ for( pws=pw_schemes; pws; pws=pws->next ) {
+ if( strcasecmp(scheme, pws->s.name.bv_val ) == 0 ) {
+ return &(pws->s);
}
}
static struct berval *passwd_scheme(
const struct pw_scheme *scheme,
const struct berval * passwd,
+ struct berval *bv,
const char** allowed )
{
if( !is_allowed_scheme( scheme->name.bv_val, allowed ) ) {
if( passwd->bv_len >= scheme->name.bv_len ) {
if( strncasecmp( passwd->bv_val, scheme->name.bv_val, scheme->name.bv_len ) == 0 ) {
- struct berval *bv = ber_memalloc( sizeof(struct berval) );
-
- if( bv == NULL ) return NULL;
-
bv->bv_val = &passwd->bv_val[scheme->name.bv_len];
bv->bv_len = passwd->bv_len - scheme->name.bv_len;
lutil_passwd(
const struct berval *passwd, /* stored passwd */
const struct berval *cred, /* user cred */
- const char **schemes )
+ const char **schemes,
+ const char **text )
{
- int i;
+ struct pw_slist *pws;
+
+ if ( text ) *text = NULL;
if (cred == NULL || cred->bv_len == 0 ||
passwd == NULL || passwd->bv_len == 0 )
return -1;
}
- for( i=0; pw_schemes[i].name.bv_val != NULL; i++ ) {
- if( pw_schemes[i].chk_fn ) {
- struct berval *p = passwd_scheme( &pw_schemes[i],
- passwd, schemes );
+ if (!pw_schemes) lutil_passwd_init();
+
+ for( pws=pw_schemes; pws; pws=pws->next ) {
+ if( pws->s.chk_fn ) {
+ struct berval x;
+ struct berval *p = passwd_scheme( &(pws->s),
+ passwd, &x, schemes );
if( p != NULL ) {
- int rc = (pw_schemes[i].chk_fn)( &pw_schemes[i], p, cred );
-
- /* only free the berval structure as the bv_val points
- * into passwd->bv_val
- */
- ber_memfree( p );
-
- return rc;
+ return (pws->s.chk_fn)( &(pws->s.name), p, cred, text );
}
}
}
#ifdef SLAPD_CLEARTEXT
if( is_allowed_scheme("{CLEARTEXT}", schemes ) ) {
- return passwd->bv_len == cred->bv_len
+ return (( passwd->bv_len == cred->bv_len ) &&
+ ( passwd->bv_val[0] != '{' /*'}'*/ ))
? memcmp( passwd->bv_val, cred->bv_val, passwd->bv_len )
: 1;
}
-#else
- return 1;
#endif
-
+ return 1;
}
struct berval * lutil_passwd_generate( ber_len_t len )
return NULL;
}
- if( lutil_entropy( pw->bv_val, pw->bv_len) < 0 ) {
+ if( lutil_entropy( (unsigned char *) pw->bv_val, pw->bv_len) < 0 ) {
ber_bvfree( pw );
return NULL;
}
struct berval * lutil_passwd_hash(
const struct berval * passwd,
- const char * method )
+ const char * method,
+ const char **text )
{
const struct pw_scheme *sc = get_scheme( method );
+ if( text ) *text = NULL;
if( sc == NULL ) return NULL;
if( ! sc->hash_fn ) return NULL;
- return (sc->hash_fn)( sc, passwd );
+ return (sc->hash_fn)( &sc->name, passwd, text );
}
+/* pw_string is only called when SLAPD_LMHASH or SLAPD_CRYPT is defined */
+#if defined(SLAPD_LMHASH) || defined(SLAPD_CRYPT)
static struct berval * pw_string(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval *passwd )
{
struct berval *pw = ber_memalloc( sizeof( struct berval ) );
if( pw == NULL ) return NULL;
- pw->bv_len = sc->name.bv_len + passwd->bv_len;
+ pw->bv_len = sc->bv_len + passwd->bv_len;
pw->bv_val = ber_memalloc( pw->bv_len + 1 );
if( pw->bv_val == NULL ) {
return NULL;
}
- memcpy( pw->bv_val, sc->name.bv_val, sc->name.bv_len );
- memcpy( &pw->bv_val[sc->name.bv_len], passwd->bv_val, passwd->bv_len );
+ AC_MEMCPY( pw->bv_val, sc->bv_val, sc->bv_len );
+ AC_MEMCPY( &pw->bv_val[sc->bv_len], passwd->bv_val, passwd->bv_len );
pw->bv_val[pw->bv_len] = '\0';
return pw;
}
+#endif /* SLAPD_LMHASH || SLAPD_CRYPT */
static struct berval * pw_string64(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval *hash,
const struct berval *salt )
{
return NULL;
}
- memcpy( string.bv_val, hash->bv_val,
+ AC_MEMCPY( string.bv_val, hash->bv_val,
hash->bv_len );
- memcpy( &string.bv_val[hash->bv_len], salt->bv_val,
+ AC_MEMCPY( &string.bv_val[hash->bv_len], salt->bv_val,
salt->bv_len );
string.bv_val[string.bv_len] = '\0';
}
b64len = LUTIL_BASE64_ENCODE_LEN( string.bv_len ) + 1;
- b64->bv_len = b64len + sc->name.bv_len;
+ b64->bv_len = b64len + sc->bv_len;
b64->bv_val = ber_memalloc( b64->bv_len + 1 );
if( b64->bv_val == NULL ) {
return NULL;
}
- memcpy(b64->bv_val, sc->name.bv_val, sc->name.bv_len);
+ AC_MEMCPY(b64->bv_val, sc->bv_val, sc->bv_len);
rc = lutil_b64_ntop(
- string.bv_val, string.bv_len,
- &b64->bv_val[sc->name.bv_len], b64len );
-
- b64->bv_val[b64->bv_len] = '\0';
+ (unsigned char *) string.bv_val, string.bv_len,
+ &b64->bv_val[sc->bv_len], b64len );
if( salt ) ber_memfree( string.bv_val );
-
+
if( rc < 0 ) {
ber_bvfree( b64 );
return NULL;
}
+ /* recompute length */
+ b64->bv_len = sc->bv_len + rc;
+ assert( strlen(b64->bv_val) == b64->bv_len );
return b64;
}
/* PASSWORD CHECK ROUTINES */
+#ifdef LUTIL_SHA1_BYTES
static int chk_ssha1(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
lutil_SHA1_CTX SHA1context;
unsigned char SHA1digest[LUTIL_SHA1_BYTES];
int rc;
unsigned char *orig_pass = NULL;
-
- /* base64 un-encode password */
+
+ /* safety check */
+ if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) <= sizeof(SHA1digest)) {
+ return -1;
+ }
+
+ /* decode base64 password */
orig_pass = (unsigned char *) ber_memalloc( (size_t) (
LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) );
rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len);
- if(rc < 0) {
+ if (rc <= sizeof(SHA1digest)) {
ber_memfree(orig_pass);
- return 1;
+ return -1;
}
/* hash credentials with salt */
/* compare */
rc = memcmp((char *)orig_pass, (char *)SHA1digest, sizeof(SHA1digest));
ber_memfree(orig_pass);
- return rc;
+ return rc ? 1 : 0;
}
static int chk_sha1(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
lutil_SHA1_CTX SHA1context;
unsigned char SHA1digest[LUTIL_SHA1_BYTES];
if( rc != sizeof(SHA1digest) ) {
ber_memfree(orig_pass);
- return 1;
+ return -1;
}
/* hash credentials with salt */
/* compare */
rc = memcmp((char *)orig_pass, (char *)SHA1digest, sizeof(SHA1digest));
ber_memfree(orig_pass);
- return rc;
+ return rc ? 1 : 0;
}
+#endif
static int chk_smd5(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
lutil_MD5_CTX MD5context;
unsigned char MD5digest[LUTIL_MD5_BYTES];
int rc;
unsigned char *orig_pass = NULL;
+ /* safety check */
+ if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) <= sizeof(MD5digest)) {
+ return -1;
+ }
+
/* base64 un-encode password */
orig_pass = (unsigned char *) ber_memalloc( (size_t) (
LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) );
if( orig_pass == NULL ) return -1;
rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len);
- if ( rc < 0 ) {
+
+ if (rc <= sizeof(MD5digest)) {
ber_memfree(orig_pass);
- return 1;
+ return -1;
}
/* hash credentials with salt */
lutil_MD5Init(&MD5context);
lutil_MD5Update(&MD5context,
- (const unsigned char *) cred->bv_val, cred->bv_len );
+ (const unsigned char *) cred->bv_val,
+ cred->bv_len );
lutil_MD5Update(&MD5context,
- (const unsigned char *) &orig_pass[sizeof(MD5digest)],
+ &orig_pass[sizeof(MD5digest)],
rc - sizeof(MD5digest));
lutil_MD5Final(MD5digest, &MD5context);
/* compare */
rc = memcmp((char *)orig_pass, (char *)MD5digest, sizeof(MD5digest));
ber_memfree(orig_pass);
- return rc;
+ return rc ? 1 : 0;
}
static int chk_md5(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
lutil_MD5_CTX MD5context;
unsigned char MD5digest[LUTIL_MD5_BYTES];
rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len);
if ( rc != sizeof(MD5digest) ) {
ber_memfree(orig_pass);
- return 1;
+ return -1;
}
/* hash credentials with salt */
lutil_MD5Init(&MD5context);
lutil_MD5Update(&MD5context,
- (const unsigned char *) cred->bv_val, cred->bv_len );
+ (const unsigned char *) cred->bv_val,
+ cred->bv_len );
lutil_MD5Final(MD5digest, &MD5context);
/* compare */
rc = memcmp((char *)orig_pass, (char *)MD5digest, sizeof(MD5digest));
ber_memfree(orig_pass);
- return rc;
+ return rc ? 1 : 0;
}
+#ifdef SLAPD_LMHASH
+static int chk_lanman(
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const struct berval *cred,
+ const char **text )
+{
+ struct berval *hash;
+
+ hash = hash_lanman( scheme, cred );
+ return memcmp( &hash->bv_val[scheme->bv_len], passwd->bv_val, 32);
+}
+#endif /* SLAPD_LMHASH */
+
+#ifdef SLAPD_NS_MTA_MD5
+static int chk_ns_mta_md5(
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const struct berval *cred,
+ const char **text )
+{
+ lutil_MD5_CTX MD5context;
+ unsigned char MD5digest[LUTIL_MD5_BYTES], c;
+ char buffer[LUTIL_MD5_BYTES + LUTIL_MD5_BYTES + 1];
+ int i;
+
+ /* hash credentials with salt */
+ lutil_MD5Init(&MD5context);
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &passwd->bv_val[32],
+ 32 );
+
+ c = 0x59;
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &c,
+ 1 );
+
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) cred->bv_val,
+ cred->bv_len );
+
+ c = 0xF7;
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &c,
+ 1 );
+
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &passwd->bv_val[32],
+ 32 );
+
+ lutil_MD5Final(MD5digest, &MD5context);
+
+ for( i=0; i < sizeof( MD5digest ); i++ ) {
+ buffer[i+i] = "0123456789abcdef"[(MD5digest[i]>>4) & 0x0F];
+ buffer[i+i+1] = "0123456789abcdef"[ MD5digest[i] & 0x0F];
+ }
+
+ /* compare */
+ return memcmp((char *)passwd->bv_val, (char *)buffer, sizeof(buffer))
+ ? 1 : 0;
+}
+#endif
+
+#ifdef SLAPD_SPASSWD
+#ifdef HAVE_CYRUS_SASL
+sasl_conn_t *lutil_passwd_sasl_conn = NULL;
+#endif
+
+static int chk_sasl(
+ const struct berval *sc,
+ const struct berval * passwd,
+ const struct berval * cred,
+ const char **text )
+{
+ unsigned int i;
+ int rtn;
+
+ for( i=0; i<cred->bv_len; i++) {
+ if(cred->bv_val[i] == '\0') {
+ return 1; /* NUL character in password */
+ }
+ }
+
+ if( cred->bv_val[i] != '\0' ) {
+ return 1; /* cred must behave like a string */
+ }
+
+ for( i=0; i<passwd->bv_len; i++) {
+ if(passwd->bv_val[i] == '\0') {
+ return 1; /* NUL character in password */
+ }
+ }
+
+ if( passwd->bv_val[i] != '\0' ) {
+ return 1; /* passwd must behave like a string */
+ }
+
+ rtn = 1;
+
+#ifdef HAVE_CYRUS_SASL
+ if( lutil_passwd_sasl_conn != NULL ) {
+ int sc;
+# if SASL_VERSION_MAJOR < 2
+ sc = sasl_checkpass( lutil_passwd_sasl_conn,
+ passwd->bv_val, passwd->bv_len,
+ cred->bv_val, cred->bv_len,
+ text );
+# else
+ sc = sasl_checkpass( lutil_passwd_sasl_conn,
+ passwd->bv_val, passwd->bv_len,
+ cred->bv_val, cred->bv_len );
+# endif
+ rtn = ( sc != SASL_OK );
+ }
+#endif
+
+ return rtn;
+}
+#endif
+
#ifdef SLAPD_KPASSWD
static int chk_kerberos(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
- int i;
+ unsigned int i;
int rtn;
for( i=0; i<cred->bv_len; i++) {
krb5_preauthtype pre_auth_types[] = {KRB5_PADATA_ENC_TIMESTAMP};
#endif
- krb5_init_context( &context );
+ ret = krb5_init_context( &context );
if (ret) {
return 1;
}
}
{
- char host[MAXHOSTNAMELEN];
+ char *host = ldap_pvt_get_fqdn( NULL );
- if( gethostname( host, MAXHOSTNAMELEN ) != 0 ) {
+ if( host == NULL ) {
krb5_free_principal( context, client );
krb5_free_context( context );
return 1;
ret = krb5_sname_to_principal( context,
host, "ldap", KRB5_NT_SRV_HST, &server );
+
+ ber_memfree( host );
}
if (ret) {
krb5_free_principal( context, client );
krb5_free_principal( context, server );
- krb5_free_creds_contents( context, &creds );
+ krb5_free_cred_contents( context, &creds );
krb5_free_context( context );
rtn = !!ret;
#ifdef SLAPD_CRYPT
static int chk_crypt(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
- int i;
+ char *cr;
+ unsigned int i;
for( i=0; i<cred->bv_len; i++) {
if(cred->bv_val[i] == '\0') {
}
if( cred->bv_val[i] != '\0' ) {
- return 1; /* cred must behave like a string */
+ return -1; /* cred must behave like a string */
+ }
+
+ if( passwd->bv_len < 2 ) {
+ return -1; /* passwd must be at least two characters long */
}
for( i=0; i<passwd->bv_len; i++) {
if(passwd->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
+ return -1; /* NUL character in password */
}
}
if( passwd->bv_val[i] != '\0' ) {
- return 1; /* passwd must behave like a string */
+ return -1; /* passwd must behave like a string */
+ }
+
+ cr = crypt( cred->bv_val, passwd->bv_val );
+
+ if( cr == NULL || cr[0] == '\0' ) {
+ /* salt must have been invalid */
+ return -1;
}
- return strcmp(passwd->bv_val, crypt(cred->bv_val, passwd->bv_val));
+ return strcmp( passwd->bv_val, cr ) ? 1 : 0;
}
-# if defined( HAVE_GETSPNAM ) \
- || ( defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) )
+# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD )
static int chk_unix(
- const struct pw_scheme *sc,
+ const struct berval *sc,
const struct berval * passwd,
- const struct berval * cred )
+ const struct berval * cred,
+ const char **text )
{
- int i;
- char *pw;
+ unsigned int i;
+ char *pw,*cr;
for( i=0; i<cred->bv_len; i++) {
if(cred->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
+ return -1; /* NUL character in password */
}
}
if( cred->bv_val[i] != '\0' ) {
- return 1; /* cred must behave like a string */
+ return -1; /* cred must behave like a string */
}
for( i=0; i<passwd->bv_len; i++) {
if(passwd->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
+ return -1; /* NUL character in password */
}
}
if( passwd->bv_val[i] != '\0' ) {
- return 1; /* passwd must behave like a string */
+ return -1; /* passwd must behave like a string */
}
-# ifdef HAVE_GETSPNAM
{
- struct spwd *spwd = getspnam(passwd->bv_val);
+ struct passwd *pwd = getpwnam(passwd->bv_val);
- if(spwd == NULL) {
- return 1; /* not found */
+ if(pwd == NULL) {
+ return -1; /* not found */
}
- pw = spwd->sp_pwdp;
+ pw = pwd->pw_passwd;
}
-
-# else
+# ifdef HAVE_GETSPNAM
{
- struct passwd *pwd = getpwnam(passwd->bv_val);
+ struct spwd *spwd = getspnam(passwd->bv_val);
- if(pwd == NULL) {
- return 1; /* not found */
+ if(spwd != NULL) {
+ pw = spwd->sp_pwdp;
}
+ }
+# endif
+# ifdef HAVE_AIX_SECURITY
+ {
+ struct userpw *upw = getuserpw(passwd->bv_val);
- pw = pwd->pw_passwd;
+ if (upw != NULL) {
+ pw = upw->upw_passwd;
+ }
}
# endif
- if( pw == NULL || *pw == '\0' ) return 1;
+ if( pw == NULL || pw[0] == '\0' || pw[1] == '\0' ) {
+ /* password must must be at least two characters long */
+ return -1;
+ }
+
+ cr = crypt(cred->bv_val, pw);
+
+ if( cr == NULL || cr[0] == '\0' ) {
+ /* salt must have been invalid */
+ return -1;
+ }
- return strcmp(pw, crypt(cred->bv_val, pw));
+ return strcmp(pw, cr) ? 1 : 0;
}
# endif
#endif
-/* PASSWORD CHECK ROUTINES */
+/* PASSWORD GENERATION ROUTINES */
+
+#ifdef LUTIL_SHA1_BYTES
static struct berval *hash_ssha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
{
lutil_SHA1_CTX SHA1context;
unsigned char SHA1digest[LUTIL_SHA1_BYTES];
- unsigned char saltdata[4];
+ char saltdata[4];
struct berval digest;
struct berval salt;
- digest.bv_val = SHA1digest;
+ digest.bv_val = (char *) SHA1digest;
digest.bv_len = sizeof(SHA1digest);
salt.bv_val = saltdata;
salt.bv_len = sizeof(saltdata);
- if( lutil_entropy( salt.bv_val, salt.bv_len) < 0 ) {
+ if( lutil_entropy( (unsigned char *) salt.bv_val, salt.bv_len) < 0 ) {
return NULL;
}
}
static struct berval *hash_sha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
{
lutil_SHA1_CTX SHA1context;
- unsigned char SHA1digest[20];
+ unsigned char SHA1digest[LUTIL_SHA1_BYTES];
struct berval digest;
- digest.bv_val = SHA1digest;
+ digest.bv_val = (char *) SHA1digest;
digest.bv_len = sizeof(SHA1digest);
lutil_SHA1Init( &SHA1context );
return pw_string64( scheme, &digest, NULL);
}
+#endif
static struct berval *hash_smd5(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
{
lutil_MD5_CTX MD5context;
- unsigned char MD5digest[16];
- unsigned char saltdata[4];
+ unsigned char MD5digest[LUTIL_MD5_BYTES];
+ char saltdata[4];
struct berval digest;
struct berval salt;
- digest.bv_val = MD5digest;
+ digest.bv_val = (char *) MD5digest;
digest.bv_len = sizeof(MD5digest);
salt.bv_val = saltdata;
salt.bv_len = sizeof(saltdata);
- if( lutil_entropy( salt.bv_val, salt.bv_len) < 0 ) {
+ if( lutil_entropy( (unsigned char *) salt.bv_val, salt.bv_len) < 0 ) {
return NULL;
}
}
static struct berval *hash_md5(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
{
lutil_MD5_CTX MD5context;
- unsigned char MD5digest[16];
+ unsigned char MD5digest[LUTIL_MD5_BYTES];
struct berval digest;
- digest.bv_val = MD5digest;
+ digest.bv_val = (char *) MD5digest;
digest.bv_len = sizeof(MD5digest);
lutil_MD5Init( &MD5context );
;
}
+#ifdef SLAPD_LMHASH
+/* pseudocode from RFC2433
+ * A.2 LmPasswordHash()
+ *
+ * LmPasswordHash(
+ * IN 0-to-14-oem-char Password,
+ * OUT 16-octet PasswordHash )
+ * {
+ * Set UcasePassword to the uppercased Password
+ * Zero pad UcasePassword to 14 characters
+ *
+ * DesHash( 1st 7-octets of UcasePassword,
+ * giving 1st 8-octets of PasswordHash )
+ *
+ * DesHash( 2nd 7-octets of UcasePassword,
+ * giving 2nd 8-octets of PasswordHash )
+ * }
+ *
+ *
+ * A.3 DesHash()
+ *
+ * DesHash(
+ * IN 7-octet Clear,
+ * OUT 8-octet Cypher )
+ * {
+ * *
+ * * Make Cypher an irreversibly encrypted form of Clear by
+ * * encrypting known text using Clear as the secret key.
+ * * The known text consists of the string
+ * *
+ * * KGS!@#$%
+ * *
+ *
+ * Set StdText to "KGS!@#$%"
+ * DesEncrypt( StdText, Clear, giving Cypher )
+ * }
+ *
+ *
+ * A.4 DesEncrypt()
+ *
+ * DesEncrypt(
+ * IN 8-octet Clear,
+ * IN 7-octet Key,
+ * OUT 8-octet Cypher )
+ * {
+ * *
+ * * Use the DES encryption algorithm [4] in ECB mode [9]
+ * * to encrypt Clear into Cypher such that Cypher can
+ * * only be decrypted back to Clear by providing Key.
+ * * Note that the DES algorithm takes as input a 64-bit
+ * * stream where the 8th, 16th, 24th, etc. bits are
+ * * parity bits ignored by the encrypting algorithm.
+ * * Unless you write your own DES to accept 56-bit input
+ * * without parity, you will need to insert the parity bits
+ * * yourself.
+ * *
+ * }
+ */
+
+static void lmPasswd_to_key(
+ const unsigned char *lmPasswd,
+ des_cblock *key)
+{
+ /* make room for parity bits */
+ ((char *)key)[0] = lmPasswd[0];
+ ((char *)key)[1] = ((lmPasswd[0]&0x01)<<7) | (lmPasswd[1]>>1);
+ ((char *)key)[2] = ((lmPasswd[1]&0x03)<<6) | (lmPasswd[2]>>2);
+ ((char *)key)[3] = ((lmPasswd[2]&0x07)<<5) | (lmPasswd[3]>>3);
+ ((char *)key)[4] = ((lmPasswd[3]&0x0F)<<4) | (lmPasswd[4]>>4);
+ ((char *)key)[5] = ((lmPasswd[4]&0x1F)<<3) | (lmPasswd[5]>>5);
+ ((char *)key)[6] = ((lmPasswd[5]&0x3F)<<2) | (lmPasswd[6]>>6);
+ ((char *)key)[7] = ((lmPasswd[6]&0x7F)<<1);
+
+ des_set_odd_parity( key );
+}
+
+static struct berval *hash_lanman(
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
+{
+
+ int i;
+ char UcasePassword[15];
+ des_cblock key;
+ des_key_schedule schedule;
+ des_cblock StdText = "KGS!@#$%";
+ des_cblock hash1, hash2;
+ char lmhash[33];
+ struct berval hash;
+
+ for( i=0; i<passwd->bv_len; i++) {
+ if(passwd->bv_val[i] == '\0') {
+ return NULL; /* NUL character in password */
+ }
+ }
+
+ if( passwd->bv_val[i] != '\0' ) {
+ return NULL; /* passwd must behave like a string */
+ }
+
+ strncpy( UcasePassword, passwd->bv_val, 14 );
+ UcasePassword[14] = '\0';
+ ldap_pvt_str2upper( UcasePassword );
+
+ lmPasswd_to_key( UcasePassword, &key );
+ des_set_key_unchecked( &key, schedule );
+ des_ecb_encrypt( &StdText, &hash1, schedule , DES_ENCRYPT );
+
+ lmPasswd_to_key( &UcasePassword[7], &key );
+ des_set_key_unchecked( &key, schedule );
+ des_ecb_encrypt( &StdText, &hash2, schedule , DES_ENCRYPT );
+
+ sprintf( lmhash, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+ hash1[0],hash1[1],hash1[2],hash1[3],hash1[4],hash1[5],hash1[6],hash1[7],
+ hash2[0],hash2[1],hash2[2],hash2[3],hash2[4],hash2[5],hash2[6],hash2[7] );
+
+ hash.bv_val = lmhash;
+ hash.bv_len = 32;
+
+ return pw_string( scheme, &hash );
+}
+#endif /* SLAPD_LMHASH */
+
#ifdef SLAPD_CRYPT
static struct berval *hash_crypt(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
{
struct berval hash;
- unsigned char salt[3];
- int i;
+ unsigned char salt[32]; /* salt suitable for most anything */
+ unsigned int i;
for( i=0; i<passwd->bv_len; i++) {
if(passwd->bv_val[i] == '\0') {
return NULL; /* passwd must behave like a string */
}
- if( lutil_entropy( salt, sizeof(salt)) < 0 ) {
+ if( lutil_entropy( salt, sizeof( salt ) ) < 0 ) {
return NULL;
}
- salt[0] = crypt64[ salt[0] % (sizeof(crypt64)-1) ];
- salt[1] = crypt64[ salt[1] % (sizeof(crypt64)-1) ];
- salt[2] = '\0';
+ for( i=0; i< ( sizeof(salt) - 1 ); i++ ) {
+ salt[i] = crypt64[ salt[i] % (sizeof(crypt64)-1) ];
+ }
+ salt[sizeof( salt ) - 1 ] = '\0';
+
+ if( salt_format != NULL ) {
+ /* copy the salt we made into entropy before snprintfing
+ it back into the salt */
+ char entropy[sizeof(salt)];
+ strcpy( entropy, (char *) salt );
+ snprintf( (char *) salt, sizeof(entropy), salt_format, entropy );
+ }
- hash.bv_val = crypt( passwd->bv_val, salt );
+ hash.bv_val = crypt( passwd->bv_val, (char *) salt );
if( hash.bv_val == NULL ) return NULL;
+
hash.bv_len = strlen( hash.bv_val );
+ if( hash.bv_len == 0 ) {
+ return NULL;
+ }
+
return pw_string( scheme, &hash );
}
#endif
+
+int lutil_salt_format(const char *format)
+{
+#ifdef SLAPD_CRYPT
+ free( salt_format );
+
+ salt_format = format != NULL ? strdup( format ) : NULL;
+#endif
+
+ return 0;
+}
+
+#ifdef SLAPD_CLEARTEXT
+static struct berval *hash_clear(
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const char **text )
+{
+ return ber_bvdup( (struct berval *) passwd );
+}
+#endif
+
projects / openldap / blobdiff