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authorYves-Alexis Perez <corsac@debian.org>2013-08-25 15:37:26 +0200
committerYves-Alexis Perez <corsac@debian.org>2013-08-25 15:37:26 +0200
commit6b99c8d9cff7b3e8ae8f3204b99e7ea40f791349 (patch)
tree009fc492961e13860d2a4bc2de8caf2bbe2975e7 /src/libfast/fast_session.c
parentc83921a2b566aa9d55d8ccc7258f04fca6292ee6 (diff)
downloadvyos-strongswan-6b99c8d9cff7b3e8ae8f3204b99e7ea40f791349.tar.gz
vyos-strongswan-6b99c8d9cff7b3e8ae8f3204b99e7ea40f791349.zip
Imported Upstream version 5.1.0
Diffstat (limited to 'src/libfast/fast_session.c')
-rw-r--r--src/libfast/fast_session.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/src/libfast/fast_session.c b/src/libfast/fast_session.c
new file mode 100644
index 000000000..56d4a0443
--- /dev/null
+++ b/src/libfast/fast_session.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 2007 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.
+ */
+
+#define _GNU_SOURCE
+
+#include "fast_session.h"
+
+#include <string.h>
+#include <fcgiapp.h>
+#include <stdio.h>
+
+#include <collections/linked_list.h>
+
+#define COOKIE_LEN 16
+
+typedef struct private_fast_session_t private_fast_session_t;
+
+/**
+ * private data of the task manager
+ */
+struct private_fast_session_t {
+
+ /**
+ * public functions
+ */
+ fast_session_t public;
+
+ /**
+ * session ID
+ */
+ char sid[COOKIE_LEN * 2 + 1];
+
+ /**
+ * have we sent the session cookie?
+ */
+ bool cookie_sent;
+
+ /**
+ * list of controller instances controller_t
+ */
+ linked_list_t *controllers;
+
+ /**
+ * list of filter instances filter_t
+ */
+ linked_list_t *filters;
+
+ /**
+ * user defined session context
+ */
+ fast_context_t *context;
+};
+
+METHOD(fast_session_t, add_controller, void,
+ private_fast_session_t *this, fast_controller_t *controller)
+{
+ this->controllers->insert_last(this->controllers, controller);
+}
+
+METHOD(fast_session_t, add_filter, void,
+ private_fast_session_t *this, fast_filter_t *filter)
+{
+ this->filters->insert_last(this->filters, filter);
+}
+
+/**
+ * Create a session ID and a cookie
+ */
+static bool create_sid(private_fast_session_t *this)
+{
+ char buf[COOKIE_LEN];
+ rng_t *rng;
+
+ rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
+ if (!rng)
+ {
+ return FALSE;
+ }
+ if (!rng->get_bytes(rng, sizeof(buf), buf))
+ {
+ rng->destroy(rng);
+ return FALSE;
+ }
+ rng->destroy(rng);
+ chunk_to_hex(chunk_create(buf, sizeof(buf)), this->sid, FALSE);
+ return TRUE;
+}
+
+/**
+ * run all registered filters
+ */
+static bool run_filter(private_fast_session_t *this, fast_request_t *request,
+ char *p0, char *p1, char *p2, char *p3, char *p4, char *p5)
+{
+ enumerator_t *enumerator;
+ fast_filter_t *filter;
+
+ enumerator = this->filters->create_enumerator(this->filters);
+ while (enumerator->enumerate(enumerator, &filter))
+ {
+ if (!filter->run(filter, request, p0, p1, p2, p3, p4, p5))
+ {
+ enumerator->destroy(enumerator);
+ return FALSE;
+ }
+ }
+ enumerator->destroy(enumerator);
+ return TRUE;
+}
+
+METHOD(fast_session_t, process, void,
+ private_fast_session_t *this, fast_request_t *request)
+{
+ char *pos, *start, *param[6] = {NULL, NULL, NULL, NULL, NULL, NULL};
+ enumerator_t *enumerator;
+ bool handled = FALSE;
+ fast_controller_t *current;
+ int i = 0;
+
+ if (!this->cookie_sent)
+ {
+ request->add_cookie(request, "SID", this->sid);
+ this->cookie_sent = TRUE;
+ }
+
+ start = request->get_path(request);
+ if (start)
+ {
+ if (*start == '/')
+ {
+ start++;
+ }
+ while ((pos = strchr(start, '/')) != NULL && i < 5)
+ {
+ param[i++] = strndupa(start, pos - start);
+ start = pos + 1;
+ }
+ param[i] = strdupa(start);
+
+ if (run_filter(this, request, param[0], param[1], param[2], param[3],
+ param[4], param[5]))
+ {
+ enumerator = this->controllers->create_enumerator(this->controllers);
+ while (enumerator->enumerate(enumerator, &current))
+ {
+ if (streq(current->get_name(current), param[0]))
+ {
+ current->handle(current, request, param[1], param[2],
+ param[3], param[4], param[5]);
+ handled = TRUE;
+ break;
+ }
+ }
+ enumerator->destroy(enumerator);
+ }
+ else
+ {
+ handled = TRUE;
+ }
+ }
+ if (!handled)
+ {
+ if (this->controllers->get_first(this->controllers,
+ (void**)&current) == SUCCESS)
+ {
+ request->streamf(request,
+ "Status: 301 Moved permanently\nLocation: %s/%s\n\n",
+ request->get_base(request), current->get_name(current));
+ }
+ }
+}
+
+METHOD(fast_session_t, get_sid, char*,
+ private_fast_session_t *this)
+{
+ return this->sid;
+}
+
+METHOD(fast_session_t, destroy, void,
+ private_fast_session_t *this)
+{
+ this->controllers->destroy_offset(this->controllers,
+ offsetof(fast_controller_t, destroy));
+ this->filters->destroy_offset(this->filters,
+ offsetof(fast_filter_t, destroy));
+ DESTROY_IF(this->context);
+ free(this);
+}
+
+/*
+ * see header file
+ */
+fast_session_t *fast_session_create(fast_context_t *context)
+{
+ private_fast_session_t *this;
+
+ INIT(this,
+ .public = {
+ .add_controller = _add_controller,
+ .add_filter = _add_filter,
+ .process = _process,
+ .get_sid = _get_sid,
+ .destroy = _destroy,
+ },
+ .controllers = linked_list_create(),
+ .filters = linked_list_create(),
+ .context = context,
+ );
+ if (!create_sid(this))
+ {
+ destroy(this);
+ return NULL;
+ }
+
+ return &this->public;
+}