/* * rlm_copy_packet.c * * Version: $Id$ * * 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. * * 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, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * Copyright 2004,2006 The FreeRADIUS server project * Copyright 2004 Alan DeKok <aland@cladju.com> */ #include <freeradius-devel/ident.h> RCSID("$Id$") #include <freeradius-devel/radiusd.h> #include <freeradius-devel/modules.h> /* * Define a structure for our module configuration. * * It doesn't take any configuration right now... */ typedef struct rlm_packet_t { char *string; } rlm_packet_t; /* * A mapping of configuration file names to internal variables. * * Note that the string is dynamically allocated, so it MUST * be freed. When the configuration file parse re-reads the string, * it free's the old one, and strdup's the new one, placing the pointer * to the strdup'd string into 'config.string'. This gets around * buffer over-flows. */ static const CONF_PARSER module_config[] = { { "string", PW_TYPE_STRING_PTR, offsetof(rlm_packet_t,string), NULL, NULL}, { NULL, -1, 0, NULL, NULL } /* end the list */ }; static int packet_detach(void *instance) { free(instance); return 0; } /* * Do any per-module initialization that is separate to each * configured instance of the module. e.g. set up connections * to external databases, read configuration files, set up * dictionary entries, etc. * * If configuration information is given in the config section * that must be referenced in later calls, store a handle to it * in *instance otherwise put a null pointer there. */ static int packet_instantiate(CONF_SECTION *conf, void **instance) { rlm_packet_t *inst; /* * Set up a storage area for instance data */ inst = rad_malloc(sizeof(*inst)); if (!inst) { return -1; } memset(inst, 0, sizeof(*inst)); /* * If the configuration parameters can't be parsed, then * fail. */ if (cf_section_parse(conf, inst, module_config) < 0) { packet_detach(inst); return -1; } *instance = inst; return 0; } /* * Initialize the reply with the request. */ static int packet_authorize(void *instance, REQUEST *request) { VALUE_PAIR *vps; instance = instance; /* -Wunused */ vps = paircopy(request->packet->vps); pairadd(&(request->reply->vps), vps); return RLM_MODULE_UPDATED; } /* * The module name should be the only globally exported symbol. * That is, everything else should be 'static'. * * If the module needs to temporarily modify it's instantiation * data, the type should be changed to RLM_TYPE_THREAD_UNSAFE. * The server will then take care of ensuring that the module * is single-threaded. */ module_t rlm_copy_packet = { RLM_MODULE_INIT, "copy_packet", RLM_TYPE_THREAD_SAFE, /* type */ packet_instantiate, /* instantiation */ packet_detach, /* detach */ { NULL, /* authentication */ packet_authorize, /* authorization */ NULL, /* preaccounting */ NULL, /* accounting */ NULL, /* checksimul */ NULL, /* pre-proxy */ NULL, /* post-proxy */ NULL /* post-auth */ }, };