summaryrefslogtreecommitdiff
path: root/libcli
diff options
context:
space:
mode:
Diffstat (limited to 'libcli')
-rw-r--r--libcli/auth/krb5_wrap.c121
-rw-r--r--libcli/auth/krb5_wrap.h32
-rw-r--r--libcli/auth/wscript_build6
3 files changed, 158 insertions, 1 deletions
diff --git a/libcli/auth/krb5_wrap.c b/libcli/auth/krb5_wrap.c
new file mode 100644
index 0000000000..48f50ec02e
--- /dev/null
+++ b/libcli/auth/krb5_wrap.c
@@ -0,0 +1,121 @@
+/*
+ Unix SMB/CIFS implementation.
+ simple kerberos5 routines for active directory
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Luke Howard 2002-2003
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+ Copyright (C) Guenther Deschner 2005-2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/auth/krb5_wrap.h"
+
+#ifdef HAVE_KRB5
+
+#if defined(HAVE_KRB5_PRINCIPAL2SALT) && defined(HAVE_KRB5_USE_ENCTYPE) && defined(HAVE_KRB5_STRING_TO_KEY) && defined(HAVE_KRB5_ENCRYPT_BLOCK)
+int create_kerberos_key_from_string_direct(krb5_context context,
+ krb5_principal host_princ,
+ krb5_data *password,
+ krb5_keyblock *key,
+ krb5_enctype enctype)
+{
+ int ret = 0;
+ krb5_data salt;
+ krb5_encrypt_block eblock;
+
+ ret = krb5_principal2salt(context, host_princ, &salt);
+ if (ret) {
+ DEBUG(1,("krb5_principal2salt failed (%s)\n", error_message(ret)));
+ return ret;
+ }
+ krb5_use_enctype(context, &eblock, enctype);
+ ret = krb5_string_to_key(context, &eblock, key, password, &salt);
+ SAFE_FREE(salt.data);
+
+ return ret;
+}
+#elif defined(HAVE_KRB5_GET_PW_SALT) && defined(HAVE_KRB5_STRING_TO_KEY_SALT)
+int create_kerberos_key_from_string_direct(krb5_context context,
+ krb5_principal host_princ,
+ krb5_data *password,
+ krb5_keyblock *key,
+ krb5_enctype enctype)
+{
+ int ret;
+ krb5_salt salt;
+
+ ret = krb5_get_pw_salt(context, host_princ, &salt);
+ if (ret) {
+ DEBUG(1,("krb5_get_pw_salt failed (%s)\n", error_message(ret)));
+ return ret;
+ }
+
+ ret = krb5_string_to_key_salt(context, enctype, (const char *)password->data, salt, key);
+ krb5_free_salt(context, salt);
+
+ return ret;
+}
+#else
+#error UNKNOWN_CREATE_KEY_FUNCTIONS
+#endif
+
+ void kerberos_free_data_contents(krb5_context context, krb5_data *pdata)
+{
+#if defined(HAVE_KRB5_FREE_DATA_CONTENTS)
+ if (pdata->data) {
+ krb5_free_data_contents(context, pdata);
+ }
+#elif defined(HAVE_KRB5_DATA_FREE)
+ krb5_data_free(context, pdata);
+#else
+ SAFE_FREE(pdata->data);
+#endif
+}
+
+
+ krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry)
+{
+/* Try krb5_free_keytab_entry_contents first, since
+ * MIT Kerberos >= 1.7 has both krb5_free_keytab_entry_contents and
+ * krb5_kt_free_entry but only has a prototype for the first, while the
+ * second is considered private.
+ */
+#if defined(HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS)
+ return krb5_free_keytab_entry_contents(context, kt_entry);
+#elif defined(HAVE_KRB5_KT_FREE_ENTRY)
+ return krb5_kt_free_entry(context, kt_entry);
+#else
+#error UNKNOWN_KT_FREE_FUNCTION
+#endif
+}
+
+ char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx)
+{
+ char *ret;
+
+#if defined(HAVE_KRB5_GET_ERROR_MESSAGE) && defined(HAVE_KRB5_FREE_ERROR_MESSAGE)
+ const char *context_error = krb5_get_error_message(context, code);
+ if (context_error) {
+ ret = talloc_asprintf(mem_ctx, "%s: %s", error_message(code), context_error);
+ krb5_free_error_message(context, context_error);
+ return ret;
+ }
+#endif
+ ret = talloc_strdup(mem_ctx, error_message(code));
+ return ret;
+}
+
+#endif
diff --git a/libcli/auth/krb5_wrap.h b/libcli/auth/krb5_wrap.h
new file mode 100644
index 0000000000..e608efe58c
--- /dev/null
+++ b/libcli/auth/krb5_wrap.h
@@ -0,0 +1,32 @@
+/*
+ Unix SMB/CIFS implementation.
+ simple kerberos5 routines for active directory
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Luke Howard 2002-2003
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+ Copyright (C) Guenther Deschner 2005-2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "system/kerberos.h"
+
+int create_kerberos_key_from_string_direct(krb5_context context,
+ krb5_principal host_princ,
+ krb5_data *password,
+ krb5_keyblock *key,
+ krb5_enctype enctype);
+void kerberos_free_data_contents(krb5_context context, krb5_data *pdata);
+krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
+char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx);
diff --git a/libcli/auth/wscript_build b/libcli/auth/wscript_build
index 436ca61b7f..6f5483f48b 100644
--- a/libcli/auth/wscript_build
+++ b/libcli/auth/wscript_build
@@ -2,7 +2,7 @@
bld.SAMBA_LIBRARY('cliauth',
source='',
- deps='NTLMSSP_COMMON MSRPC_PARSE LIBCLI_AUTH COMMON_SCHANNEL PAM_ERRORS SPNEGO_PARSE',
+ deps='NTLMSSP_COMMON MSRPC_PARSE LIBCLI_AUTH COMMON_SCHANNEL PAM_ERRORS SPNEGO_PARSE KRB5_WRAP',
private_library=True,
grouping_library=True)
@@ -38,3 +38,7 @@ bld.SAMBA_SUBSYSTEM('PAM_ERRORS',
bld.SAMBA_SUBSYSTEM('SPNEGO_PARSE',
source='spnego_parse.c',
deps='asn1util')
+
+bld.SAMBA_SUBSYSTEM('KRB5_WRAP',
+ source='krb5_wrap.c',
+ deps='krb5')
generated by cgit (git 2.34.1) at 2024-12-04 03:58:39 +0000