diff options
Diffstat (limited to 'src/libcharon/plugins/resolve')
| -rw-r--r-- | src/libcharon/plugins/resolve/Makefile.am | 18 | ||||
| -rw-r--r-- | src/libcharon/plugins/resolve/resolve_handler.c | 251 | ||||
| -rw-r--r-- | src/libcharon/plugins/resolve/resolve_handler.h | 49 | ||||
| -rw-r--r-- | src/libcharon/plugins/resolve/resolve_plugin.c | 62 | ||||
| -rw-r--r-- | src/libcharon/plugins/resolve/resolve_plugin.h | 42 |
5 files changed, 0 insertions, 422 deletions
diff --git a/src/libcharon/plugins/resolve/Makefile.am b/src/libcharon/plugins/resolve/Makefile.am deleted file mode 100644 index f8830d42e..000000000 --- a/src/libcharon/plugins/resolve/Makefile.am +++ /dev/null @@ -1,18 +0,0 @@ - -INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \ - -I$(top_srcdir)/src/libcharon - -AM_CFLAGS = -rdynamic \ - -DRESOLV_CONF=\"${resolv_conf}\" - -if MONOLITHIC -noinst_LTLIBRARIES = libstrongswan-resolve.la -else -plugin_LTLIBRARIES = libstrongswan-resolve.la -endif - -libstrongswan_resolve_la_SOURCES = \ - resolve_plugin.h resolve_plugin.c \ - resolve_handler.h resolve_handler.c - -libstrongswan_resolve_la_LDFLAGS = -module -avoid-version diff --git a/src/libcharon/plugins/resolve/resolve_handler.c b/src/libcharon/plugins/resolve/resolve_handler.c deleted file mode 100644 index 714c751a6..000000000 --- a/src/libcharon/plugins/resolve/resolve_handler.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) 2009 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 "resolve_handler.h" - -#include <unistd.h> - -#include <daemon.h> -#include <threading/mutex.h> - -typedef struct private_resolve_handler_t private_resolve_handler_t; - -/** - * Private data of an resolve_handler_t object. - */ -struct private_resolve_handler_t { - - /** - * Public resolve_handler_t interface. - */ - resolve_handler_t public; - - /** - * resolv.conf file to use - */ - char *file; - - /** - * Mutex to access file exclusively - */ - mutex_t *mutex; -}; - -/** - * Implementation of attribute_handler_t.handle - */ -static bool handle(private_resolve_handler_t *this, identification_t *server, - configuration_attribute_type_t type, chunk_t data) -{ - FILE *in, *out; - char buf[1024]; - host_t *addr; - size_t len; - bool handled = FALSE; - - switch (type) - { - case INTERNAL_IP4_DNS: - addr = host_create_from_chunk(AF_INET, data, 0); - break; - case INTERNAL_IP6_DNS: - addr = host_create_from_chunk(AF_INET6, data, 0); - break; - default: - return FALSE; - } - - if (!addr || addr->is_anyaddr(addr)) - { - DESTROY_IF(addr); - return FALSE; - } - this->mutex->lock(this->mutex); - - in = fopen(this->file, "r"); - /* allows us to stream from in to out */ - unlink(this->file); - out = fopen(this->file, "w"); - if (out) - { - fprintf(out, "nameserver %H # by strongSwan, from %Y\n", addr, server); - DBG1(DBG_IKE, "installing DNS server %H to %s", addr, this->file); - handled = TRUE; - - /* copy rest of the file */ - if (in) - { - while ((len = fread(buf, 1, sizeof(buf), in))) - { - ignore_result(fwrite(buf, 1, len, out)); - } - } - fclose(out); - } - if (in) - { - fclose(in); - } - this->mutex->unlock(this->mutex); - addr->destroy(addr); - - if (!handled) - { - DBG1(DBG_IKE, "adding DNS server failed", this->file); - } - return handled; -} - -/** - * Implementation of attribute_handler_t.release - */ -static void release(private_resolve_handler_t *this, identification_t *server, - configuration_attribute_type_t type, chunk_t data) -{ - FILE *in, *out; - char line[1024], matcher[512], *pos; - host_t *addr; - int family; - - switch (type) - { - case INTERNAL_IP4_DNS: - family = AF_INET; - break; - case INTERNAL_IP6_DNS: - family = AF_INET6; - break; - default: - return; - } - - this->mutex->lock(this->mutex); - - in = fopen(this->file, "r"); - if (in) - { - /* allows us to stream from in to out */ - unlink(this->file); - out = fopen(this->file, "w"); - if (out) - { - addr = host_create_from_chunk(family, data, 0); - snprintf(matcher, sizeof(matcher), - "nameserver %H # by strongSwan, from %Y\n", - addr, server); - - /* copy all, but matching line */ - while ((pos = fgets(line, sizeof(line), in))) - { - if (strneq(line, matcher, strlen(matcher))) - { - DBG1(DBG_IKE, "removing DNS server %H from %s", - addr, this->file); - } - else - { - fputs(line, out); - } - } - addr->destroy(addr); - fclose(out); - } - fclose(in); - } - - this->mutex->unlock(this->mutex); -} - -/** - * Attribute enumerator implementation - */ -typedef struct { - /** implements enumerator_t interface */ - enumerator_t public; - /** virtual IP we are requesting */ - host_t *vip; -} attribute_enumerator_t; - -/** - * Implementation of create_attribute_enumerator().enumerate() - */ -static bool attribute_enumerate(attribute_enumerator_t *this, - configuration_attribute_type_t *type, chunk_t *data) -{ - switch (this->vip->get_family(this->vip)) - { - case AF_INET: - *type = INTERNAL_IP4_DNS; - break; - case AF_INET6: - *type = INTERNAL_IP6_DNS; - break; - default: - return FALSE; - } - *data = chunk_empty; - /* enumerate only once */ - this->public.enumerate = (void*)return_false; - return TRUE; -} - -/** - * Implementation of attribute_handler_t.create_attribute_enumerator - */ -static enumerator_t* create_attribute_enumerator(private_resolve_handler_t *this, - identification_t *server, host_t *vip) -{ - if (vip) - { - attribute_enumerator_t *enumerator; - - enumerator = malloc_thing(attribute_enumerator_t); - enumerator->public.enumerate = (void*)attribute_enumerate; - enumerator->public.destroy = (void*)free; - enumerator->vip = vip; - - return &enumerator->public; - } - return enumerator_create_empty(); -} - -/** - * Implementation of resolve_handler_t.destroy. - */ -static void destroy(private_resolve_handler_t *this) -{ - this->mutex->destroy(this->mutex); - free(this); -} - -/** - * See header - */ -resolve_handler_t *resolve_handler_create() -{ - private_resolve_handler_t *this = malloc_thing(private_resolve_handler_t); - - this->public.handler.handle = (bool(*)(attribute_handler_t*, identification_t*, configuration_attribute_type_t, chunk_t))handle; - this->public.handler.release = (void(*)(attribute_handler_t*, identification_t*, configuration_attribute_type_t, chunk_t))release; - this->public.handler.create_attribute_enumerator = (enumerator_t*(*)(attribute_handler_t*, identification_t *server, host_t *vip))create_attribute_enumerator; - this->public.destroy = (void(*)(resolve_handler_t*))destroy; - - this->mutex = mutex_create(MUTEX_TYPE_DEFAULT); - this->file = lib->settings->get_str(lib->settings, - "charon.plugins.resolve.file", RESOLV_CONF); - - return &this->public; -} - diff --git a/src/libcharon/plugins/resolve/resolve_handler.h b/src/libcharon/plugins/resolve/resolve_handler.h deleted file mode 100644 index 77bf9781c..000000000 --- a/src/libcharon/plugins/resolve/resolve_handler.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2009 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 resolve_handler resolve_handler - * @{ @ingroup resolve - */ - -#ifndef RESOLVE_HANDLER_H_ -#define RESOLVE_HANDLER_H_ - -#include <attributes/attribute_handler.h> - -typedef struct resolve_handler_t resolve_handler_t; - -/** - * Handle DNS configuration attributes by mangling a resolv.conf file. - */ -struct resolve_handler_t { - - /** - * Implements the attribute_handler_t interface - */ - attribute_handler_t handler; - - /** - * Destroy a resolve_handler_t. - */ - void (*destroy)(resolve_handler_t *this); -}; - -/** - * Create a resolve_handler instance. - */ -resolve_handler_t *resolve_handler_create(); - -#endif /** RESOLVE_HANDLER_H_ @}*/ diff --git a/src/libcharon/plugins/resolve/resolve_plugin.c b/src/libcharon/plugins/resolve/resolve_plugin.c deleted file mode 100644 index 502129593..000000000 --- a/src/libcharon/plugins/resolve/resolve_plugin.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright (C) 2009 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 "resolve_plugin.h" -#include "resolve_handler.h" - -#include <hydra.h> - -typedef struct private_resolve_plugin_t private_resolve_plugin_t; - -/** - * private data of resolve plugin - */ -struct private_resolve_plugin_t { - - /** - * implements plugin interface - */ - resolve_plugin_t public; - - /** - * The registerd DNS attribute handler - */ - resolve_handler_t *handler; -}; - -/** - * Implementation of plugin_t.destroy - */ -static void destroy(private_resolve_plugin_t *this) -{ - hydra->attributes->remove_handler(hydra->attributes, &this->handler->handler); - this->handler->destroy(this->handler); - free(this); -} - -/* - * see header file - */ -plugin_t *resolve_plugin_create() -{ - private_resolve_plugin_t *this = malloc_thing(private_resolve_plugin_t); - - this->public.plugin.destroy = (void(*)(plugin_t*))destroy; - this->handler = resolve_handler_create(); - hydra->attributes->add_handler(hydra->attributes, &this->handler->handler); - - return &this->public.plugin; -} - diff --git a/src/libcharon/plugins/resolve/resolve_plugin.h b/src/libcharon/plugins/resolve/resolve_plugin.h deleted file mode 100644 index 0148b10d7..000000000 --- a/src/libcharon/plugins/resolve/resolve_plugin.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2009 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 resolve resolve - * @ingroup cplugins - * - * @defgroup resolve_plugin resolve_plugin - * @{ @ingroup resolve - */ - -#ifndef RESOLVE_PLUGIN_H_ -#define RESOLVE_PLUGIN_H_ - -#include <plugins/plugin.h> - -typedef struct resolve_plugin_t resolve_plugin_t; - -/** - * Plugin that writes received DNS servers in a resolv.conf file. - */ -struct resolve_plugin_t { - - /** - * implements plugin interface - */ - plugin_t plugin; -}; - -#endif /** RESOLVE_PLUGIN_H_ @}*/ |