diff options
Diffstat (limited to 'src/libstrongswan/plugins/ldap')
| -rw-r--r-- | src/libstrongswan/plugins/ldap/Makefile.am | 11 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/ldap/Makefile.in | 495 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/ldap/ldap_fetcher.c | 213 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/ldap/ldap_fetcher.h | 42 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/ldap/ldap_plugin.c | 62 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/ldap/ldap_plugin.h | 47 |
6 files changed, 870 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/ldap/Makefile.am b/src/libstrongswan/plugins/ldap/Makefile.am new file mode 100644 index 000000000..ac6b4be00 --- /dev/null +++ b/src/libstrongswan/plugins/ldap/Makefile.am @@ -0,0 +1,11 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-ldap.la + +libstrongswan_ldap_la_SOURCES = ldap_plugin.h ldap_plugin.c ldap_fetcher.h ldap_fetcher.c +libstrongswan_ldap_la_LDFLAGS = -module +libstrongswan_ldap_la_LIBADD = -lldap -llber + diff --git a/src/libstrongswan/plugins/ldap/Makefile.in b/src/libstrongswan/plugins/ldap/Makefile.in new file mode 100644 index 000000000..8c28f1307 --- /dev/null +++ b/src/libstrongswan/plugins/ldap/Makefile.in @@ -0,0 +1,495 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = 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--git a/src/libstrongswan/plugins/ldap/ldap_fetcher.c b/src/libstrongswan/plugins/ldap/ldap_fetcher.c new file mode 100644 index 000000000..8e55b800e --- /dev/null +++ b/src/libstrongswan/plugins/ldap/ldap_fetcher.c @@ -0,0 +1,213 @@ +/* + * Copyright (C) 2008 Martin Willi + * Copyright (C) 2007 Andreas Steffen + * 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. + * + * $Id: ldap_fetcher.c 3693 2008-03-28 22:44:45Z andreas $ + */ + +#ifndef LDAP_DEPRECATED +#define LDAP_DEPRECATED 1 +#endif /* LDAP_DEPRECATED */ +#include <ldap.h> + +#include <errno.h> + +#include <library.h> +#include <debug.h> + +#include "ldap_fetcher.h" + +#define DEFAULT_TIMEOUT 10 + +typedef struct private_ldap_fetcher_t private_ldap_fetcher_t; + +/** + * Private Data of a ldap_fetcher_t object. + */ +struct private_ldap_fetcher_t { + /** + * Public data + */ + ldap_fetcher_t public; + + /** + * timeout to use for fetches + */ + u_int timeout; +}; + +/** + * Parses the result returned by an ldap query + */ +static bool parse(LDAP *ldap, LDAPMessage *result, chunk_t *response) +{ + LDAPMessage *entry = ldap_first_entry(ldap, result); + bool success = FALSE; + + if (entry) + { + BerElement *ber = NULL; + char *attr; + + attr = ldap_first_attribute(ldap, entry, &ber); + if (attr) + { + struct berval **values = ldap_get_values_len(ldap, entry, attr); + + if (values) + { + if (values[0]) + { + *response = chunk_alloc(values[0]->bv_len); + memcpy(response->ptr, values[0]->bv_val, response->len); + success = TRUE; + } + else + { + DBG1("LDAP response contains no values"); + } + ldap_value_free_len(values); + } + else + { + DBG1("getting LDAP values failed: %s", + ldap_err2string(ldap_result2error(ldap, entry, 0))); + } + ldap_memfree(attr); + } + else + { + DBG1("finding LDAP attributes failed: %s", + ldap_err2string(ldap_result2error(ldap, entry, 0))); + } + ber_free(ber, 0); + } + else + { + DBG1("finding first LDAP entry failed: %s", + ldap_err2string(ldap_result2error(ldap, entry, 0))); + } + return success; +} + + +static status_t fetch(private_ldap_fetcher_t *this, char *url, + chunk_t *result, va_list args) +{ + LDAP *ldap; + LDAPURLDesc *lurl; + LDAPMessage *msg; + int res; + int ldap_version = LDAP_VERSION3; + struct timeval timeout; + status_t status = FAILED; + + if (!strneq(url, "ldap", 4)) + { + return NOT_SUPPORTED; + } + if (ldap_url_parse(url, &lurl) != LDAP_SUCCESS) + { + return NOT_SUPPORTED; + } + ldap = ldap_init(lurl->lud_host, lurl->lud_port); + if (ldap == NULL) + { + DBG1("LDAP initialization failed: %s", strerror(errno)); + ldap_free_urldesc(lurl); + return FAILED; + } + + timeout.tv_sec = this->timeout; + timeout.tv_usec = 0; + + ldap_set_option(ldap, LDAP_OPT_PROTOCOL_VERSION, &ldap_version); + ldap_set_option(ldap, LDAP_OPT_NETWORK_TIMEOUT, &timeout); + + DBG2("sending LDAP request to '%s'...", url); + + res = ldap_simple_bind_s(ldap, NULL, NULL); + if (res == LDAP_SUCCESS) + { + res = ldap_search_st(ldap, lurl->lud_dn, lurl->lud_scope, + lurl->lud_filter, lurl->lud_attrs, + 0, &timeout, &msg); + + if (res == LDAP_SUCCESS) + { + if (parse(ldap, msg, result)) + { + status = SUCCESS; + } + ldap_msgfree(msg); + } + else + { + DBG1("LDAP search failed: %s", ldap_err2string(res)); + } + } + else + { + DBG1("LDAP bind to '%s' failed: %s", url, ldap_err2string(res)); + } + ldap_unbind_s(ldap); + ldap_free_urldesc(lurl); + return status; +} + + +/** + * Implementation of fetcher_t.set_option. + */ +static bool set_option(private_ldap_fetcher_t *this, fetcher_option_t option, ...) +{ + va_list args; + + va_start(args, option); + switch (option) + { + case FETCH_TIMEOUT: + { + this->timeout = va_arg(args, u_int); + return TRUE; + } + default: + return FALSE; + } +} + +/** + * Implements ldap_fetcher_t.destroy + */ +static void destroy(private_ldap_fetcher_t *this) +{ + free(this); +} + +/* + * Described in header. + */ +ldap_fetcher_t *ldap_fetcher_create() +{ + private_ldap_fetcher_t *this = malloc_thing(private_ldap_fetcher_t); + + this->public.interface.fetch = (status_t(*)(fetcher_t*,char*,chunk_t*))fetch; + this->public.interface.set_option = (bool(*)(fetcher_t*, fetcher_option_t option, ...))set_option; + this->public.interface.destroy = (void (*)(fetcher_t*))destroy; + + this->timeout = DEFAULT_TIMEOUT; + + return &this->public; +} + diff --git a/src/libstrongswan/plugins/ldap/ldap_fetcher.h b/src/libstrongswan/plugins/ldap/ldap_fetcher.h new file mode 100644 index 000000000..bde60c799 --- /dev/null +++ b/src/libstrongswan/plugins/ldap/ldap_fetcher.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 ldap_fetcher ldap_fetcher + * @{ @ingroup ldap_p + */ + +#ifndef LDAP_FETCHER_H_ +#define LDAP_FETCHER_H_ + +typedef struct ldap_fetcher_t ldap_fetcher_t; + +/** + * Fetcher implementation using OpenLDAP. + */ +struct ldap_fetcher_t { + + /** + * Implements fetcher interface + */ + fetcher_t interface; +}; + +/** + * Create a ldap_fetcher instance. + */ +ldap_fetcher_t *ldap_fetcher_create(); + +#endif /* LDAP_FETCHER_H_ @}*/ diff --git a/src/libstrongswan/plugins/ldap/ldap_plugin.c b/src/libstrongswan/plugins/ldap/ldap_plugin.c new file mode 100644 index 000000000..0925cb395 --- /dev/null +++ b/src/libstrongswan/plugins/ldap/ldap_plugin.c @@ -0,0 +1,62 @@ +/* + * 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. + * + * $Id: ldap_plugin.c 3529 2008-03-05 15:26:24Z martin $ + */ + +#include "ldap_plugin.h" + +#include <library.h> +#include "ldap_fetcher.h" + +typedef struct private_ldap_plugin_t private_ldap_plugin_t; + +/** + * private data of ldap_plugin + */ +struct private_ldap_plugin_t { + + /** + * public functions + */ + ldap_plugin_t public; +}; + +/** + * Implementation of ldap_plugin_t.destroy + */ +static void destroy(private_ldap_plugin_t *this) +{ + lib->fetcher->remove_fetcher(lib->fetcher, + (fetcher_constructor_t)ldap_fetcher_create); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + private_ldap_plugin_t *this = malloc_thing(private_ldap_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)ldap_fetcher_create, "ldap://"); + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)ldap_fetcher_create, "ldaps://"); + + return &this->public.plugin; +} + diff --git a/src/libstrongswan/plugins/ldap/ldap_plugin.h b/src/libstrongswan/plugins/ldap/ldap_plugin.h new file mode 100644 index 000000000..7b2bb3232 --- /dev/null +++ b/src/libstrongswan/plugins/ldap/ldap_plugin.h @@ -0,0 +1,47 @@ +/* + * 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 ldap_p ldap + * @ingroup plugins + * + * @defgroup ldap_plugin ldap_plugin + * @{ @ingroup ldap_p + */ + +#ifndef LDAP_PLUGIN_H_ +#define LDAP_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct ldap_plugin_t ldap_plugin_t; + +/** + * Plugin implementing LDAP fetcher using OpenLDAP. + */ +struct ldap_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a ldap_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* LDAP_PLUGIN_H_ @}*/ |