diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/Makefile.in | 1 | ||||
| -rw-r--r-- | src/include/k5-int.h | 3 | ||||
| -rw-r--r-- | src/include/krb5/certauth_plugin.h | 103 |
3 files changed, 106 insertions, 1 deletions
diff --git a/src/include/Makefile.in b/src/include/Makefile.in index f5b9218..0239338 100644 --- a/src/include/Makefile.in +++ b/src/include/Makefile.in @@ -140,6 +140,7 @@ install-headers-unix install: krb5/krb5.h profile.h $(INSTALL_DATA) $(srcdir)/krb5.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5.h $(INSTALL_DATA) $(srcdir)/kdb.h $(DESTDIR)$(KRB5_INCDIR)$(S)kdb.h $(INSTALL_DATA) krb5/krb5.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5$(S)krb5.h + $(INSTALL_DATA) $(srcdir)/krb5/certauth_plugin.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5$(S)certauth_plugin.h $(INSTALL_DATA) $(srcdir)/krb5/ccselect_plugin.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5$(S)ccselect_plugin.h $(INSTALL_DATA) $(srcdir)/krb5/clpreauth_plugin.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5$(S)clpreauth_plugin.h $(INSTALL_DATA) $(srcdir)/krb5/hostrealm_plugin.h $(DESTDIR)$(KRB5_INCDIR)$(S)krb5$(S)hostrealm_plugin.h diff --git a/src/include/k5-int.h b/src/include/k5-int.h index 2d1d293..ddeebc4 100644 --- a/src/include/k5-int.h +++ b/src/include/k5-int.h @@ -1155,7 +1155,8 @@ struct plugin_interface { #define PLUGIN_INTERFACE_AUDIT 7 #define PLUGIN_INTERFACE_TLS 8 #define PLUGIN_INTERFACE_KDCAUTHDATA 9 -#define PLUGIN_NUM_INTERFACES 10 +#define PLUGIN_INTERFACE_CERTAUTH 10 +#define PLUGIN_NUM_INTERFACES 11 /* Retrieve the plugin module of type interface_id and name modname, * storing the result into module. */ diff --git a/src/include/krb5/certauth_plugin.h b/src/include/krb5/certauth_plugin.h new file mode 100644 index 0000000..f22fc1e --- /dev/null +++ b/src/include/krb5/certauth_plugin.h @@ -0,0 +1,103 @@ +/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +/* include/krb5/certauth_plugin.h - certauth plugin header. */ +/* + * Copyright (C) 2017 by Red Hat, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Certificate authorization plugin interface. The PKINIT server module uses + * this interface to check client certificate attributes after the certificate + * signature has been verified. + */ +#ifndef KRB5_CERTAUTH_PLUGIN_H +#define KRB5_CERTAUTH_PLUGIN_H + +#include <krb5/krb5.h> +#include <krb5/plugin.h> + +/* Abstract module data type. */ +typedef struct krb5_certauth_moddata_st *krb5_certauth_moddata; + +typedef struct _krb5_db_entry_new krb5_db_entry; + +/* + * Optional: Initialize module data. + */ +typedef krb5_error_code +(*krb5_certauth_init_fn)(krb5_context context, + krb5_certauth_moddata *moddata_out); + +/* + * Optional: Clean up the module data. + */ +typedef void +(*krb5_certauth_fini_fn)(krb5_context context, krb5_certauth_moddata moddata); + +/* + * Mandatory: + * Return 0 if the DER-encoded cert is authorized for PKINIT authentication by + * princ; otherwise return one of the following error codes: + * - KRB5KDC_ERR_CLIENT_NAME_MISMATCH - incorrect SAN value + * - KRB5KDC_ERR_INCONSISTENT_KEY_PURPOSE - incorrect EKU + * - KRB5KDC_ERR_CERTIFICATE_MISMATCH - other extension error + * - KRB5_PLUGIN_NO_HANDLE - the module has no opinion about cert + * + * - opts is used by built-in modules to receive internal data, and must be + * ignored by other modules. + * - db_entry receives the client principal database entry, and can be ignored + * by modules that do not link with libkdb5. + * - *authinds_out optionally returns a null-terminated list of authentication + * indicator strings upon KRB5_PLUGIN_NO_HANDLE or accepted authorization. + */ +typedef krb5_error_code +(*krb5_certauth_authorize_fn)(krb5_context context, + krb5_certauth_moddata moddata, + const uint8_t *cert, size_t cert_len, + krb5_const_principal princ, const void *opts, + const krb5_db_entry *db_entry, + char ***authinds_out); + +/* + * Free indicators allocated by a module. Mandatory if authorize returns + * authentication indicators. + */ +typedef void +(*krb5_certauth_free_indicator_fn)(krb5_context context, + krb5_certauth_moddata moddata, + char **authinds); + +typedef struct krb5_certauth_vtable_st { + char *name; + krb5_certauth_init_fn init; + krb5_certauth_fini_fn fini; + krb5_certauth_authorize_fn authorize; + krb5_certauth_free_indicator_fn free_ind; +} *krb5_certauth_vtable; + +#endif /* KRB5_CERTAUTH_PLUGIN_H */ |