diff options
Diffstat (limited to 'src/libcharon/plugins/eap_identity')
| -rw-r--r-- | src/libcharon/plugins/eap_identity/Makefile.am | 16 | ||||
| -rw-r--r-- | src/libcharon/plugins/eap_identity/Makefile.in | 589 | ||||
| -rw-r--r-- | src/libcharon/plugins/eap_identity/eap_identity.c | 218 | ||||
| -rw-r--r-- | src/libcharon/plugins/eap_identity/eap_identity.h | 59 | ||||
| -rw-r--r-- | src/libcharon/plugins/eap_identity/eap_identity_plugin.c | 50 | ||||
| -rw-r--r-- | src/libcharon/plugins/eap_identity/eap_identity_plugin.h | 42 |
6 files changed, 974 insertions, 0 deletions
diff --git a/src/libcharon/plugins/eap_identity/Makefile.am b/src/libcharon/plugins/eap_identity/Makefile.am new file mode 100644 index 000000000..2a7c764b0 --- /dev/null +++ b/src/libcharon/plugins/eap_identity/Makefile.am @@ -0,0 +1,16 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ + -I$(top_srcdir)/src/libcharon + +AM_CFLAGS = -rdynamic + +if MONOLITHIC +noinst_LTLIBRARIES = libstrongswan-eap-identity.la +else +plugin_LTLIBRARIES = libstrongswan-eap-identity.la +endif + +libstrongswan_eap_identity_la_SOURCES = \ + eap_identity_plugin.h eap_identity_plugin.c eap_identity.h eap_identity.c + +libstrongswan_eap_identity_la_LDFLAGS = -module -avoid-version diff --git a/src/libcharon/plugins/eap_identity/Makefile.in b/src/libcharon/plugins/eap_identity/Makefile.in new file mode 100644 index 000000000..bbb987dd6 --- /dev/null +++ b/src/libcharon/plugins/eap_identity/Makefile.in @@ -0,0 +1,589 @@ +# Makefile.in generated by automake 1.11 from Makefile.am. 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mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am \ + uninstall-pluginLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/libcharon/plugins/eap_identity/eap_identity.c b/src/libcharon/plugins/eap_identity/eap_identity.c new file mode 100644 index 000000000..ab082a955 --- /dev/null +++ b/src/libcharon/plugins/eap_identity/eap_identity.c @@ -0,0 +1,218 @@ +/* + * Copyright (C) 2007-2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 "eap_identity.h" + +#include <daemon.h> +#include <library.h> + +typedef struct private_eap_identity_t private_eap_identity_t; + +/** + * Private data of an eap_identity_t object. + */ +struct private_eap_identity_t { + + /** + * Public authenticator_t interface. + */ + eap_identity_t public; + + /** + * ID of the peer + */ + identification_t *peer; + + /** + * received identity chunk + */ + chunk_t identity; +}; + +typedef struct eap_identity_header_t eap_identity_header_t; + +/** + * packed EAP Identity header struct + */ +struct eap_identity_header_t { + /** EAP code (REQUEST/RESPONSE) */ + u_int8_t code; + /** unique message identifier */ + u_int8_t identifier; + /** length of whole message */ + u_int16_t length; + /** EAP type */ + u_int8_t type; + /** identity data */ + u_int8_t data[]; +} __attribute__((__packed__)); + +/** + * Implementation of eap_method_t.process for the peer + */ +static status_t process_peer(private_eap_identity_t *this, + eap_payload_t *in, eap_payload_t **out) +{ + chunk_t id; + eap_identity_header_t *hdr; + size_t len; + + id = this->peer->get_encoding(this->peer); + len = sizeof(eap_identity_header_t) + id.len; + + hdr = alloca(len); + hdr->code = EAP_RESPONSE; + hdr->identifier = in->get_identifier(in); + hdr->length = htons(len); + hdr->type = EAP_IDENTITY; + memcpy(hdr->data, id.ptr, id.len); + + *out = eap_payload_create_data(chunk_create((u_char*)hdr, len)); + return SUCCESS; +} + +/** + * Implementation of eap_method_t.initiate for the peer + */ +static status_t initiate_peer(private_eap_identity_t *this, eap_payload_t **out) +{ + /* peer never initiates */ + return FAILED; +} + +/** + * Implementation of eap_method_t.process for the server + */ +static status_t process_server(private_eap_identity_t *this, + eap_payload_t *in, eap_payload_t **out) +{ + chunk_t data; + + data = chunk_skip(in->get_data(in), 5); + if (data.len) + { + this->identity = chunk_clone(data); + } + return SUCCESS; +} + +/** + * Implementation of eap_method_t.initiate for the server + */ +static status_t initiate_server(private_eap_identity_t *this, eap_payload_t **out) +{ + eap_identity_header_t hdr; + + hdr.code = EAP_REQUEST; + hdr.identifier = 0; + hdr.length = htons(sizeof(eap_identity_header_t)); + hdr.type = EAP_IDENTITY; + + *out = eap_payload_create_data(chunk_create((u_char*)&hdr, + sizeof(eap_identity_header_t))); + return NEED_MORE; +} + +/** + * Implementation of eap_method_t.get_type. + */ +static eap_type_t get_type(private_eap_identity_t *this, u_int32_t *vendor) +{ + *vendor = 0; + return EAP_IDENTITY; +} + +/** + * Implementation of eap_method_t.get_msk. + */ +static status_t get_msk(private_eap_identity_t *this, chunk_t *msk) +{ + if (this->identity.ptr) + { + *msk = this->identity; + return SUCCESS; + } + return FAILED; +} + +/** + * Implementation of eap_method_t.is_mutual. + */ +static bool is_mutual(private_eap_identity_t *this) +{ + return FALSE; +} + +/** + * Implementation of eap_method_t.destroy. + */ +static void destroy(private_eap_identity_t *this) +{ + this->peer->destroy(this->peer); + free(this->identity.ptr); + free(this); +} + +/** + * Generic constructor + */ +static private_eap_identity_t *eap_identity_create(identification_t *server, + identification_t *peer) +{ + private_eap_identity_t *this = malloc_thing(private_eap_identity_t); + + this->public.eap_method_interface.initiate = NULL; + this->public.eap_method_interface.process = NULL; + this->public.eap_method_interface.get_type = (eap_type_t(*)(eap_method_t*,u_int32_t*))get_type; + this->public.eap_method_interface.is_mutual = (bool(*)(eap_method_t*))is_mutual; + this->public.eap_method_interface.get_msk = (status_t(*)(eap_method_t*,chunk_t*))get_msk; + this->public.eap_method_interface.destroy = (void(*)(eap_method_t*))destroy; + + this->peer = peer->clone(peer); + this->identity = chunk_empty; + + return this; +} + +/* + * Described in header. + */ +eap_identity_t *eap_identity_create_peer(identification_t *server, + identification_t *peer) +{ + private_eap_identity_t *this = eap_identity_create(server, peer); + + /* public functions */ + this->public.eap_method_interface.initiate = (status_t(*)(eap_method_t*,eap_payload_t**))initiate_peer; + this->public.eap_method_interface.process = (status_t(*)(eap_method_t*,eap_payload_t*,eap_payload_t**))process_peer; + + return &this->public; +} + +/* + * Described in header. + */ +eap_identity_t *eap_identity_create_server(identification_t *server, + identification_t *peer) +{ + private_eap_identity_t *this = eap_identity_create(server, peer); + + /* public functions */ + this->public.eap_method_interface.initiate = (status_t(*)(eap_method_t*,eap_payload_t**))initiate_server; + this->public.eap_method_interface.process = (status_t(*)(eap_method_t*,eap_payload_t*,eap_payload_t**))process_server; + + return &this->public; +} + diff --git a/src/libcharon/plugins/eap_identity/eap_identity.h b/src/libcharon/plugins/eap_identity/eap_identity.h new file mode 100644 index 000000000..7364a8bda --- /dev/null +++ b/src/libcharon/plugins/eap_identity/eap_identity.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 eap_identity_i eap_identity + * @{ @ingroup eap_identity + */ + +#ifndef EAP_IDENTITY_H_ +#define EAP_IDENTITY_H_ + +typedef struct eap_identity_t eap_identity_t; + +#include <sa/authenticators/eap/eap_method.h> + +/** + * Implementation of the eap_method_t interface using EAP Identity. + */ +struct eap_identity_t { + + /** + * Implemented eap_method_t interface. + */ + eap_method_t eap_method_interface; +}; + +/** + * Creates the EAP method EAP Identity, acting as server. + * + * @param server ID of the EAP server + * @param peer ID of the EAP client + * @return eap_identity_t object + */ +eap_identity_t *eap_identity_create_server(identification_t *server, + identification_t *peer); + +/** + * Creates the EAP method EAP Identity, acting as peer. + * + * @param server ID of the EAP server + * @param peer ID of the EAP client + * @return eap_identity_t object + */ +eap_identity_t *eap_identity_create_peer(identification_t *server, + identification_t *peer); + +#endif /** EAP_IDENTITY_H_ @}*/ diff --git a/src/libcharon/plugins/eap_identity/eap_identity_plugin.c b/src/libcharon/plugins/eap_identity/eap_identity_plugin.c new file mode 100644 index 000000000..082997154 --- /dev/null +++ b/src/libcharon/plugins/eap_identity/eap_identity_plugin.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 "eap_identity_plugin.h" + +#include "eap_identity.h" + +#include <daemon.h> + +/** + * Implementation of plugin_t.destroy + */ +static void destroy(eap_identity_plugin_t *this) +{ + charon->eap->remove_method(charon->eap, + (eap_constructor_t)eap_identity_create_server); + charon->eap->remove_method(charon->eap, + (eap_constructor_t)eap_identity_create_peer); + free(this); +} + +/* + * see header file + */ +plugin_t *eap_identity_plugin_create() +{ + eap_identity_plugin_t *this = malloc_thing(eap_identity_plugin_t); + + this->plugin.destroy = (void(*)(plugin_t*))destroy; + + charon->eap->add_method(charon->eap, EAP_IDENTITY, 0, EAP_SERVER, + (eap_constructor_t)eap_identity_create_server); + charon->eap->add_method(charon->eap, EAP_IDENTITY, 0, EAP_PEER, + (eap_constructor_t)eap_identity_create_peer); + + return &this->plugin; +} + diff --git a/src/libcharon/plugins/eap_identity/eap_identity_plugin.h b/src/libcharon/plugins/eap_identity/eap_identity_plugin.h new file mode 100644 index 000000000..274156a1b --- /dev/null +++ b/src/libcharon/plugins/eap_identity/eap_identity_plugin.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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 eap_identity eap_identity + * @ingroup cplugins + * + * @defgroup eap_identity_plugin eap_identity_plugin + * @{ @ingroup eap_identity + */ + +#ifndef EAP_IDENTITY_PLUGIN_H_ +#define EAP_IDENTITY_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct eap_identity_plugin_t eap_identity_plugin_t; + +/** + * EAP-IDENTITY plugin. + */ +struct eap_identity_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +#endif /** EAP_IDENTITY_PLUGIN_H_ @}*/ |