diff options
Diffstat (limited to 'src/libstrongswan/plugins/curl')
| -rw-r--r-- | src/libstrongswan/plugins/curl/Makefile.am | 11 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/curl/Makefile.in | 495 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/curl/curl_fetcher.c | 176 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/curl/curl_fetcher.h | 47 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/curl/curl_plugin.c | 79 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/curl/curl_plugin.h | 47 |
6 files changed, 855 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/curl/Makefile.am b/src/libstrongswan/plugins/curl/Makefile.am new file mode 100644 index 000000000..1b44516b2 --- /dev/null +++ b/src/libstrongswan/plugins/curl/Makefile.am @@ -0,0 +1,11 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan + +AM_CFLAGS = -rdynamic + +plugin_LTLIBRARIES = libstrongswan-curl.la + +libstrongswan_curl_la_SOURCES = curl_plugin.h curl_plugin.c curl_fetcher.c curl_fetcher.h +libstrongswan_curl_la_LDFLAGS = -module +libstrongswan_curl_la_LIBADD = -lcurl + diff --git a/src/libstrongswan/plugins/curl/Makefile.in b/src/libstrongswan/plugins/curl/Makefile.in new file mode 100644 index 000000000..d3f7b443d --- /dev/null +++ b/src/libstrongswan/plugins/curl/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="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = src/libstrongswan/plugins/curl +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/configure.in +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = `echo $$p | sed -e 's|^.*/||'`; +am__installdirs = "$(DESTDIR)$(plugindir)" +pluginLTLIBRARIES_INSTALL = $(INSTALL) +LTLIBRARIES = $(plugin_LTLIBRARIES) +libstrongswan_curl_la_DEPENDENCIES = +am_libstrongswan_curl_la_OBJECTS = curl_plugin.lo curl_fetcher.lo +libstrongswan_curl_la_OBJECTS = $(am_libstrongswan_curl_la_OBJECTS) +libstrongswan_curl_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + 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uninstall-pluginLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-pluginLTLIBRARIES ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-pluginLTLIBRARIES \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean 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/libstrongswan/plugins/curl/curl_fetcher.c b/src/libstrongswan/plugins/curl/curl_fetcher.c new file mode 100644 index 000000000..4754d569e --- /dev/null +++ b/src/libstrongswan/plugins/curl/curl_fetcher.c @@ -0,0 +1,176 @@ +/* + * 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: curl_fetcher.c 3529 2008-03-05 15:26:24Z martin $ + */ + +#include <curl/curl.h> + +#include <library.h> +#include <debug.h> + +#include "curl_fetcher.h" + +#define DEFAULT_TIMEOUT 10 + +typedef struct private_curl_fetcher_t private_curl_fetcher_t; + +/** + * private data of a curl_fetcher_t object. + */ +struct private_curl_fetcher_t { + /** + * Public data + */ + curl_fetcher_t public; + + /** + * CURL handle + */ + CURL* curl; + + /** + * request type, as set with FETCH_REQUEST_TYPE + */ + char *request_type; +}; + +/** + * writes data into a dynamically resizeable chunk_t + */ +static size_t append(void *ptr, size_t size, size_t nmemb, chunk_t *data) +{ + size_t realsize = size * nmemb; + + data->ptr = (u_char*)realloc(data->ptr, data->len + realsize); + if (data->ptr) + { + memcpy(&data->ptr[data->len], ptr, realsize); + data->len += realsize; + } + return realsize; +} + +/** + * Implements fetcher_t.fetch. + */ +static status_t fetch(private_curl_fetcher_t *this, char *uri, chunk_t *result) +{ + struct curl_slist *headers = NULL; + char error[CURL_ERROR_SIZE]; + char buf[256];; + status_t status; + + *result = chunk_empty; + + if (curl_easy_setopt(this->curl, CURLOPT_URL, uri) != CURLE_OK) + { /* URL type not supported by curl */ + return NOT_SUPPORTED; + } + curl_easy_setopt(this->curl, CURLOPT_ERRORBUFFER, error); + curl_easy_setopt(this->curl, CURLOPT_FAILONERROR, TRUE); + curl_easy_setopt(this->curl, CURLOPT_NOSIGNAL, TRUE); + curl_easy_setopt(this->curl, CURLOPT_CONNECTTIMEOUT, DEFAULT_TIMEOUT); + curl_easy_setopt(this->curl, CURLOPT_WRITEFUNCTION, (void*)append); + curl_easy_setopt(this->curl, CURLOPT_WRITEDATA, (void*)result); + if (this->request_type) + { + snprintf(buf, sizeof(buf), "Content-Type: %s", this->request_type); + headers = curl_slist_append(headers, buf); + curl_easy_setopt(this->curl, CURLOPT_HTTPHEADER, headers); + } + + DBG2("sending http request to '%s'...", uri); + switch (curl_easy_perform(this->curl)) + { + case CURLE_UNSUPPORTED_PROTOCOL: + status = NOT_SUPPORTED; + break; + case CURLE_OK: + status = SUCCESS; + break; + default: + DBG1("libcurl http request failed: %s", error); + status = FAILED; + break; + } + curl_slist_free_all(headers); + return status; +} + +/** + * Implementation of fetcher_t.set_option. + */ +static bool set_option(private_curl_fetcher_t *this, fetcher_option_t option, ...) +{ + va_list args; + + va_start(args, option); + switch (option) + { + case FETCH_REQUEST_DATA: + { + chunk_t data = va_arg(args, chunk_t); + curl_easy_setopt(this->curl, CURLOPT_POSTFIELDS, data.ptr); + curl_easy_setopt(this->curl, CURLOPT_POSTFIELDSIZE, data.len); + return TRUE; + } + case FETCH_REQUEST_TYPE: + { + this->request_type = va_arg(args, char*); + return TRUE; + } + case FETCH_TIMEOUT: + { + curl_easy_setopt(this->curl, CURLOPT_CONNECTTIMEOUT, + va_arg(args, u_int)); + return TRUE; + } + default: + return FALSE; + } +} + +/** + * Implements fetcher_t.destroy + */ +static void destroy(private_curl_fetcher_t *this) +{ + curl_easy_cleanup(this->curl); + free(this); +} + +/* + * Described in header. + */ +curl_fetcher_t *curl_fetcher_create() +{ + private_curl_fetcher_t *this = malloc_thing(private_curl_fetcher_t); + + this->curl = curl_easy_init(); + if (this->curl == NULL) + { + free(this); + return NULL; + } + this->request_type = NULL; + + 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; + + return &this->public; +} + diff --git a/src/libstrongswan/plugins/curl/curl_fetcher.h b/src/libstrongswan/plugins/curl/curl_fetcher.h new file mode 100644 index 000000000..3028eac1b --- /dev/null +++ b/src/libstrongswan/plugins/curl/curl_fetcher.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 curl_fetcher curl_fetcher + * @{ @ingroup curl_p + */ + +#ifndef CURL_FETCHER_H_ +#define CURL_FETCHER_H_ + +typedef struct curl_fetcher_t curl_fetcher_t; + +/** + * Fetcher implementation using libcurl + */ +struct curl_fetcher_t { + + /** + * Implements fetcher interface + */ + fetcher_t interface; + + /** + * Destroy a curl_fetcher instance. + */ + void (*destroy)(curl_fetcher_t *this); +}; + +/** + * Create a curl_fetcher instance. + */ +curl_fetcher_t *curl_fetcher_create(); + +#endif /* CURL_FETCHER_H_ @}*/ diff --git a/src/libstrongswan/plugins/curl/curl_plugin.c b/src/libstrongswan/plugins/curl/curl_plugin.c new file mode 100644 index 000000000..a41c3815c --- /dev/null +++ b/src/libstrongswan/plugins/curl/curl_plugin.c @@ -0,0 +1,79 @@ +/* + * 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: curl_plugin.c 3529 2008-03-05 15:26:24Z martin $ + */ + +#include "curl_plugin.h" + +#include <library.h> +#include <debug.h> +#include "curl_fetcher.h" + +#include <curl/curl.h> + +typedef struct private_curl_plugin_t private_curl_plugin_t; + +/** + * private data of curl_plugin + */ +struct private_curl_plugin_t { + + /** + * public functions + */ + curl_plugin_t public; +}; + +/** + * Implementation of curl_plugin_t.curltroy + */ +static void destroy(private_curl_plugin_t *this) +{ + lib->fetcher->remove_fetcher(lib->fetcher, + (fetcher_constructor_t)curl_fetcher_create); + curl_global_cleanup(); + free(this); +} + +/* + * see header file + */ +plugin_t *plugin_create() +{ + CURLcode res; + private_curl_plugin_t *this = malloc_thing(private_curl_plugin_t); + + this->public.plugin.destroy = (void(*)(plugin_t*))destroy; + + res = curl_global_init(CURL_GLOBAL_NOTHING); + if (res == CURLE_OK) + { + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)curl_fetcher_create, "file://"); + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)curl_fetcher_create, "http://"); + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)curl_fetcher_create, "https://"); + lib->fetcher->add_fetcher(lib->fetcher, + (fetcher_constructor_t)curl_fetcher_create, "ftp://"); + } + else + { + DBG1("global libcurl initializing failed: %s, curl disabled", + curl_easy_strerror(res)); + } + return &this->public.plugin; +} + diff --git a/src/libstrongswan/plugins/curl/curl_plugin.h b/src/libstrongswan/plugins/curl/curl_plugin.h new file mode 100644 index 000000000..73166a25b --- /dev/null +++ b/src/libstrongswan/plugins/curl/curl_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 curl_p curl + * @ingroup plugins + * + * @defgroup curl_plugin curl_plugin + * @{ @ingroup curl_p + */ + +#ifndef CURL_PLUGIN_H_ +#define CURL_PLUGIN_H_ + +#include <plugins/plugin.h> + +typedef struct curl_plugin_t curl_plugin_t; + +/** + * Plugin implementing fetcher interface using libcurl http library. + */ +struct curl_plugin_t { + + /** + * implements plugin interface + */ + plugin_t plugin; +}; + +/** + * Create a curl_plugin instance. + */ +plugin_t *plugin_create(); + +#endif /* CURL_PLUGIN_H_ @}*/ |