diff options
| -rw-r--r-- | configure.in | 4 | ||||
| -rw-r--r-- | src/libstrongswan/Makefile.am | 7 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/constraints/Makefile.am | 16 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/constraints/constraints_plugin.c | 65 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/constraints/constraints_plugin.h | 42 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/constraints/constraints_validator.c | 59 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/constraints/constraints_validator.h | 49 |
7 files changed, 242 insertions, 0 deletions
diff --git a/configure.in b/configure.in index f27b0f664..bdb9d61f3 100644 --- a/configure.in +++ b/configure.in @@ -79,6 +79,7 @@ ARG_DISBL_SET([gmp], [disable GNU MP (libgmp) based crypto implementa ARG_DISBL_SET([random], [disable RNG implementation on top of /dev/(u)random.]) ARG_DISBL_SET([x509], [disable X509 certificate implementation plugin.]) ARG_DISBL_SET([revocation], [disable X509 CRL/OCSP revocation check plugin.]) +ARG_DISBL_SET([constraints], [disable advanced X509 constraint checking plugin.]) ARG_DISBL_SET([pubkey], [disable RAW public key support plugin.]) ARG_DISBL_SET([pkcs1], [disable PKCS1 key decoding plugin.]) ARG_DISBL_SET([pgp], [disable PGP key decoding plugin.]) @@ -720,6 +721,7 @@ ADD_PLUGIN([md5], [s libcharon pluto openac scepclient pki]) ADD_PLUGIN([random], [s libcharon pluto openac scepclient pki scripts medsrv]) ADD_PLUGIN([x509], [s libcharon pluto openac scepclient pki scripts]) ADD_PLUGIN([revocation], [s libcharon]) +ADD_PLUGIN([constraints], [s libcharon]) ADD_PLUGIN([pubkey], [s libcharon]) ADD_PLUGIN([pkcs1], [s libcharon pluto openac scepclient pki scripts manager medsrv]) ADD_PLUGIN([pgp], [s libcharon pluto]) @@ -822,6 +824,7 @@ AM_CONDITIONAL(USE_GMP, test x$gmp = xtrue) AM_CONDITIONAL(USE_RANDOM, test x$random = xtrue) AM_CONDITIONAL(USE_X509, test x$x509 = xtrue) AM_CONDITIONAL(USE_REVOCATION, test x$revocation = xtrue) +AM_CONDITIONAL(USE_CONSTRAINTS, test x$constraints = xtrue) AM_CONDITIONAL(USE_PUBKEY, test x$pubkey = xtrue) AM_CONDITIONAL(USE_PKCS1, test x$pkcs1 = xtrue) AM_CONDITIONAL(USE_PGP, test x$pgp = xtrue) @@ -968,6 +971,7 @@ AC_OUTPUT( src/libstrongswan/plugins/xcbc/Makefile src/libstrongswan/plugins/x509/Makefile src/libstrongswan/plugins/revocation/Makefile + src/libstrongswan/plugins/constraints/Makefile src/libstrongswan/plugins/pubkey/Makefile src/libstrongswan/plugins/pkcs1/Makefile src/libstrongswan/plugins/pgp/Makefile diff --git a/src/libstrongswan/Makefile.am b/src/libstrongswan/Makefile.am index 5853e97ac..debfaf7ae 100644 --- a/src/libstrongswan/Makefile.am +++ b/src/libstrongswan/Makefile.am @@ -233,6 +233,13 @@ if MONOLITHIC endif endif +if USE_CONSTRAINTS + SUBDIRS += plugins/constraints +if MONOLITHIC + libstrongswan_la_LIBADD += plugins/constraints/libstrongswan-constraints.la +endif +endif + if USE_PUBKEY SUBDIRS += plugins/pubkey if MONOLITHIC diff --git a/src/libstrongswan/plugins/constraints/Makefile.am b/src/libstrongswan/plugins/constraints/Makefile.am new file mode 100644 index 000000000..d80d39a2d --- /dev/null +++ b/src/libstrongswan/plugins/constraints/Makefile.am @@ -0,0 +1,16 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan + +AM_CFLAGS = -rdynamic + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-constraints.la +else +plugin_LTLIBRARIES = libstrongswan-constraints.la +endif + +libstrongswan_constraints_la_SOURCES = \ + constraints_plugin.h constraints_plugin.c \ + constraints_validator.h constraints_validator.c + +libstrongswan_constraints_la_LDFLAGS = -module -avoid-version diff --git a/src/libstrongswan/plugins/constraints/constraints_plugin.c b/src/libstrongswan/plugins/constraints/constraints_plugin.c new file mode 100644 index 000000000..1c3f0c835 --- /dev/null +++ b/src/libstrongswan/plugins/constraints/constraints_plugin.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +#include "constraints_plugin.h" + +#include <library.h> +#include "constraints_validator.h" + +typedef struct private_constraints_plugin_t private_constraints_plugin_t; + +/** + * private data of constraints_plugin + */ +struct private_constraints_plugin_t { + + /** + * public functions + */ + constraints_plugin_t public; + + /** + * Validator implementation instance. + */ + constraints_validator_t *validator; +}; + +METHOD(plugin_t, destroy, void, + private_constraints_plugin_t *this) +{ + lib->credmgr->remove_validator(lib->credmgr, &this->validator->validator); + this->validator->destroy(this->validator); + free(this); +} + +/* + * see header file + */ +plugin_t *constraints_plugin_create() +{ + private_constraints_plugin_t *this; + + INIT(this, + .public = { + .plugin = { + .destroy = _destroy, + }, + }, + .validator = constraints_validator_create(), + ); + lib->credmgr->add_validator(lib->credmgr, &this->validator->validator); + + return &this->public.plugin; +} diff --git a/src/libstrongswan/plugins/constraints/constraints_plugin.h b/src/libstrongswan/plugins/constraints/constraints_plugin.h new file mode 100644 index 000000000..7042a4d92 --- /dev/null +++ b/src/libstrongswan/plugins/constraints/constraints_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup constraints constraints + * @ingroup plugins + * + * @defgroup constraints_plugin constraints_plugin + * @{ @ingroup constraints + */ + +#ifndef CONSTRAINTS_PLUGIN_H_ +#define CONSTRAINTS_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct constraints_plugin_t constraints_plugin_t; + +/** + * Advanced X509 constraint checking. + */ +struct constraints_plugin_t { + + /** + * Implements plugin_t. interface. + */ + plugin_t plugin; +}; + +#endif /** CONSTRAINTS_PLUGIN_H_ @}*/ diff --git a/src/libstrongswan/plugins/constraints/constraints_validator.c b/src/libstrongswan/plugins/constraints/constraints_validator.c new file mode 100644 index 000000000..834d4efbf --- /dev/null +++ b/src/libstrongswan/plugins/constraints/constraints_validator.c @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +#include "constraints_validator.h" + +typedef struct private_constraints_validator_t private_constraints_validator_t; + +/** + * Private data of an constraints_validator_t object. + */ +struct private_constraints_validator_t { + + /** + * Public constraints_validator_t interface. + */ + constraints_validator_t public; +}; + +METHOD(cert_validator_t, validate, bool, + private_constraints_validator_t *this, certificate_t *subject, + certificate_t *issuer, bool online, int pathlen, auth_cfg_t *auth) +{ + return TRUE; +} + +METHOD(constraints_validator_t, destroy, void, + private_constraints_validator_t *this) +{ + free(this); +} + +/** + * See header + */ +constraints_validator_t *constraints_validator_create() +{ + private_constraints_validator_t *this; + + INIT(this, + .public = { + .validator.validate = _validate, + .destroy = _destroy, + }, + ); + + return &this->public; +} diff --git a/src/libstrongswan/plugins/constraints/constraints_validator.h b/src/libstrongswan/plugins/constraints/constraints_validator.h new file mode 100644 index 000000000..44582d6c8 --- /dev/null +++ b/src/libstrongswan/plugins/constraints/constraints_validator.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup constraints_validator constraints_validator + * @{ @ingroup constraints + */ + +#ifndef CONSTRAINTS_VALIDATOR_H_ +#define CONSTRAINTS_VALIDATOR_H_ + +#include <credentials/cert_validator.h> + +typedef struct constraints_validator_t constraints_validator_t; + +/** + * Certificate validator doing advanced X509 constraint checking. + */ +struct constraints_validator_t { + + /** + * Implements cert_validator_t interface. + */ + cert_validator_t validator; + + /** + * Destroy a constraints_validator_t. + */ + void (*destroy)(constraints_validator_t *this); +}; + +/** + * Create a constraints_validator instance. + */ +constraints_validator_t *constraints_validator_create(); + +#endif /** CONSTRAINTS_VALIDATOR_H_ @}*/ |