/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2013 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <ac/unistd.h>
#if defined(SLAPD_LMHASH)
+#if defined(HAVE_OPENSSL)
# include <openssl/des.h>
+
+
+typedef des_cblock des_key;
+typedef des_cblock des_data_block;
+typedef des_key_schedule des_context;
+#define des_failed(encrypted) 0
+#define des_finish(key, schedule)
+
+#elif defined(HAVE_MOZNSS)
+/*
+ hack hack hack
+ We need to define this here so that nspr/obsolete/protypes.h will not be included
+ if that file is included, it will create a uint32 typedef that will cause the
+ one in lutil_sha1.h to blow up
+*/
+#define PROTYPES_H 1
+# include <nss/pk11pub.h>
+typedef PK11SymKey *des_key;
+typedef unsigned char des_data_block[8];
+typedef PK11Context *des_context[1];
+#define DES_ENCRYPT CKA_ENCRYPT
+
+#endif
+
#endif /* SLAPD_LMHASH */
#include <ac/param.h>
* didn't recognize? Assume a scheme name is at least 1 character.
*/
if (( passwd->bv_val[0] == '{' ) &&
- ( strchr( passwd->bv_val, '}' ) > passwd->bv_val+1 ))
+ ( ber_bvchr( passwd, '}' ) > passwd->bv_val+1 ))
{
return 1;
}
}
#endif /* SLAPD_LMHASH || SLAPD_CRYPT */
-static int pw_string64(
+int lutil_passwd_string64(
const struct berval *sc,
const struct berval *hash,
struct berval *b64,
}
#ifdef SLAPD_LMHASH
+
+#if defined(HAVE_OPENSSL)
+
+/*
+ * abstract away setting the parity.
+ */
+static void
+des_set_key_and_parity( des_key *key, unsigned char *keyData)
+{
+ memcpy(key, keyData, 8);
+ des_set_odd_parity( key );
+}
+
+
+#elif defined(HAVE_MOZNSS)
+
+/*
+ * implement MozNSS wrappers for the openSSL calls
+ */
+static void
+des_set_key_and_parity( des_key *key, unsigned char *keyData)
+{
+ SECItem keyDataItem;
+ PK11SlotInfo *slot;
+ *key = NULL;
+
+ keyDataItem.data = keyData;
+ keyDataItem.len = 8;
+
+ slot = PK11_GetBestSlot(CKM_DES_ECB, NULL);
+ if (slot == NULL) {
+ return;
+ }
+
+ /* NOTE: this will not work in FIPS mode. In order to make lmhash
+ * work in fips mode we need to define a LMHASH pbe mechanism and
+ * do the fulll key derivation inside the token */
+ *key = PK11_ImportSymKey(slot, CKM_DES_ECB, PK11_OriginGenerated,
+ CKA_ENCRYPT, &keyDataItem, NULL);
+}
+
+static void
+des_set_key_unchecked( des_key *key, des_context ctxt )
+{
+ ctxt[0] = NULL;
+
+ /* handle error conditions from previous call */
+ if (!*key) {
+ return;
+ }
+
+ ctxt[0] = PK11_CreateContextBySymKey(CKM_DES_ECB, CKA_ENCRYPT, *key, NULL);
+}
+
+static void
+des_ecb_encrypt( des_data_block *plain, des_data_block *encrypted,
+ des_context ctxt, int op)
+{
+ SECStatus rv;
+ int size;
+
+ if (ctxt[0] == NULL) {
+ /* need to fail here... */
+ memset(encrypted, 0, sizeof(des_data_block));
+ return;
+ }
+ rv = PK11_CipherOp(ctxt[0], (unsigned char *)&encrypted[0],
+ &size, sizeof(des_data_block),
+ (unsigned char *)&plain[0], sizeof(des_data_block));
+ if (rv != SECSuccess) {
+ /* signal failure */
+ memset(encrypted, 0, sizeof(des_data_block));
+ return;
+ }
+ return;
+}
+
+static int
+des_failed(des_data_block *encrypted)
+{
+ static const des_data_block zero = { 0 };
+ return memcmp(encrypted, zero, sizeof(zero)) == 0;
+}
+
+static void
+des_finish(des_key *key, des_context ctxt)
+{
+ if (*key) {
+ PK11_FreeSymKey(*key);
+ *key = NULL;
+ }
+ if (ctxt[0]) {
+ PK11_Finalize(ctxt[0]);
+ PK11_DestroyContext(ctxt[0], PR_TRUE);
+ ctxt[0] = NULL;
+ }
+}
+
+#endif
+
/* pseudocode from RFC2433
* A.2 LmPasswordHash()
*
static void lmPasswd_to_key(
const char *lmPasswd,
- des_cblock *key)
+ des_key *key)
{
const unsigned char *lpw = (const unsigned char *) lmPasswd;
- unsigned char *k = (unsigned char *) key;
+ unsigned char k[8];
/* make room for parity bits */
k[0] = lpw[0];
k[6] = ((lpw[5] & 0x3F) << 2) | (lpw[6] >> 6);
k[7] = ((lpw[6] & 0x7F) << 1);
- des_set_odd_parity( key );
+ des_set_key_and_parity( key, k );
}
static int chk_lanman(
const struct berval *cred,
const char **text )
{
- int i;
+ ber_len_t i;
char UcasePassword[15];
- des_cblock key;
- des_key_schedule schedule;
- des_cblock StdText = "KGS!@#$%";
- des_cblock PasswordHash1, PasswordHash2;
+ des_key key;
+ des_context schedule;
+ des_data_block StdText = "KGS!@#$%";
+ des_data_block PasswordHash1, PasswordHash2;
char PasswordHash[33], storedPasswordHash[33];
for( i=0; i<cred->bv_len; i++) {
lmPasswd_to_key( UcasePassword, &key );
des_set_key_unchecked( &key, schedule );
des_ecb_encrypt( &StdText, &PasswordHash1, schedule , DES_ENCRYPT );
+
+ if (des_failed(&PasswordHash1)) {
+ return LUTIL_PASSWD_ERR;
+ }
lmPasswd_to_key( &UcasePassword[7], &key );
des_set_key_unchecked( &key, schedule );
des_ecb_encrypt( &StdText, &PasswordHash2, schedule , DES_ENCRYPT );
+ if (des_failed(&PasswordHash2)) {
+ return LUTIL_PASSWD_ERR;
+ }
+
+ des_finish( &key, schedule );
sprintf( PasswordHash, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
PasswordHash1[0],PasswordHash1[1],PasswordHash1[2],PasswordHash1[3],
(const unsigned char *)salt.bv_val, salt.bv_len );
lutil_SHA1Final( SHA1digest, &SHA1context );
- return pw_string64( scheme, &digest, hash, &salt);
+ return lutil_passwd_string64( scheme, &digest, hash, &salt);
}
static int hash_sha1(
(const unsigned char *)passwd->bv_val, passwd->bv_len );
lutil_SHA1Final( SHA1digest, &SHA1context );
- return pw_string64( scheme, &digest, hash, NULL);
+ return lutil_passwd_string64( scheme, &digest, hash, NULL);
}
#endif
(const unsigned char *) salt.bv_val, salt.bv_len );
lutil_MD5Final( MD5digest, &MD5context );
- return pw_string64( scheme, &digest, hash, &salt );
+ return lutil_passwd_string64( scheme, &digest, hash, &salt );
}
static int hash_md5(
(const unsigned char *) passwd->bv_val, passwd->bv_len );
lutil_MD5Final( MD5digest, &MD5context );
- return pw_string64( scheme, &digest, hash, NULL );
+ return lutil_passwd_string64( scheme, &digest, hash, NULL );
;
}
const char **text )
{
- int i;
+ ber_len_t i;
char UcasePassword[15];
- des_cblock key;
- des_key_schedule schedule;
- des_cblock StdText = "KGS!@#$%";
- des_cblock PasswordHash1, PasswordHash2;
+ des_key key;
+ des_context schedule;
+ des_data_block StdText = "KGS!@#$%";
+ des_data_block PasswordHash1, PasswordHash2;
char PasswordHash[33];
for( i=0; i<passwd->bv_len; i++) {
int lutil_salt_format(const char *format)
{
#ifdef SLAPD_CRYPT
- free( salt_format );
+ ber_memfree( salt_format );
salt_format = format != NULL ? ber_strdup( format ) : NULL;
#endif
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