- Updated to new upstream.

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.
+
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+
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+libstrongswan_curl_la_SOURCES = curl_plugin.h curl_plugin.c curl_fetcher.c curl_fetcher.h
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+libstrongswan_curl_la_LIBADD = -lcurl
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+	done; \
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+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/libstrongswan/plugins/curl/Makefile
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+	  else :; fi; \
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+	done
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+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
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+	$(libstrongswan_curl_la_LINK) -rpath $(plugindir) $(libstrongswan_curl_la_OBJECTS) $(libstrongswan_curl_la_LIBADD) $(LIBS)
+
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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_ @}*/