Initial commit
Change-Id: I6a4444e3c193dae437cd7929f4c39aba7b749efa
diff --git a/extensions/app_radgw/rgwx_debug.c b/extensions/app_radgw/rgwx_debug.c
new file mode 100644
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--- /dev/null
+++ b/extensions/app_radgw/rgwx_debug.c
@@ -0,0 +1,143 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License) *
+* Author: Sebastien Decugis <sdecugis@freediameter.net> *
+* *
+* Copyright (c) 2013, WIDE Project and NICT *
+* All rights reserved. *
+* *
+* Redistribution and use of this software in source and binary forms, with or without modification, are *
+* permitted provided that the following conditions are met: *
+* *
+* * Redistributions of source code must retain the above *
+* copyright notice, this list of conditions and the *
+* following disclaimer. *
+* *
+* * Redistributions in binary form must reproduce the above *
+* copyright notice, this list of conditions and the *
+* following disclaimer in the documentation and/or other *
+* materials provided with the distribution. *
+* *
+* * Neither the name of the WIDE Project or NICT nor the *
+* names of its contributors may be used to endorse or *
+* promote products derived from this software without *
+* specific prior written permission of WIDE Project and *
+* NICT. *
+* *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
+*********************************************************************************************************/
+
+/* Debug plugin for app_radgw */
+
+#include "rgw_common.h"
+
+/* Store the configuration string in the state */
+static int debug_conf_parse ( char * conf_file, struct rgwp_config ** state )
+{
+ TRACE_ENTRY("%p %p", conf_file, state);
+ CHECK_PARAMS(state);
+
+ *state = (void *)conf_file;
+
+ return 0;
+}
+
+
+/* Function to display the content of a RADIUS message (more friendly way than radius_msg_dump) */
+static void debug_dump_radius(struct radius_msg *msg)
+{
+ unsigned char *auth;
+ size_t i;
+
+ auth = &(msg->hdr->authenticator[0]);
+ fd_log_debug(" id : 0x%02hhx, code: %hhd (%s)", msg->hdr->identifier, msg->hdr->code, rgw_msg_code_str(msg->hdr->code));
+ fd_log_debug(" auth: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx",
+ auth[0], auth[1], auth[2], auth[3],
+ auth[4], auth[5], auth[6], auth[7]);
+ fd_log_debug(" %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx",
+ auth[8], auth[9], auth[10], auth[11],
+ auth[12], auth[13], auth[14], auth[15]);
+ for (i = 0; i < msg->attr_used; i++) {
+ struct radius_attr_hdr *attr = (struct radius_attr_hdr *)(msg->buf + msg->attr_pos[i]);
+ fd_log_debug(" - len:%3hhu, type:0x%02hhx (%s)", attr->length, attr->type, rgw_msg_attrtype_str(attr->type));
+ /* If we need to dump the value, it's better to call directly radius_msg_dump instead... */
+ }
+}
+
+/* Function called when a new RADIUS message is being converted to Diameter */
+static int debug_rad_req( struct rgwp_config * cs, struct radius_msg * rad_req, struct radius_msg ** rad_ans, struct msg ** diam_fw, struct rgw_client * cli )
+{
+ TRACE_ENTRY("%p %p %p %p %p", cs, rad_req, rad_ans, diam_fw, cli);
+
+ fd_log_debug("------------- RADIUS/Diameter Request Debug%s%s%s -------------", cs ? " [" : "", cs ? (char *)cs : "", cs ? "]" : "");
+
+ if (!rad_req) {
+ fd_log_debug(" RADIUS request: NULL pointer");
+ } else {
+ fd_log_debug(" RADIUS request (%p) DUMP:", rad_req);
+ debug_dump_radius(rad_req);
+ }
+
+ if (!rad_ans || ! *rad_ans) {
+ fd_log_debug(" RADIUS answer: NULL pointer");
+ } else {
+ fd_log_debug(" RADIUS answer (%p) DUMP:", *rad_ans);
+ debug_dump_radius(*rad_ans);
+ }
+
+ if (!diam_fw || ! *diam_fw) {
+ fd_log_debug(" Diameter message: NULL pointer");
+ } else {
+ char * buf = NULL; size_t buflen;
+ CHECK_MALLOC( fd_msg_dump_treeview(&buf, &buflen, NULL, *diam_fw, NULL, 0, 1) );
+ fd_log_debug(" Diameter message (%p) DUMP: %s", *diam_fw, buf);
+ free(buf);
+ }
+
+ fd_log_debug("=========== Debug%s%s%s complete =============", cs ? " [" : "", cs ? (char *)cs : "", cs ? "]" : "");
+
+ return 0;
+}
+
+/* This one, when Diameter answer is converted to RADIUS */
+static int debug_diam_ans( struct rgwp_config * cs, struct msg ** diam_ans, struct radius_msg ** rad_fw, struct rgw_client * cli )
+{
+ TRACE_ENTRY("%p %p %p %p", cs, diam_ans, rad_fw, cli);
+
+ fd_log_debug("------------- RADIUS/Diameter Answer Debug%s%s%s -------------", cs ? " [" : "", cs ? (char *)cs : "", cs ? "]" : "");
+
+ if (!diam_ans || ! *diam_ans) {
+ fd_log_debug(" Diameter message: NULL pointer");
+ } else {
+ char * buf = NULL; size_t buflen;
+ CHECK_MALLOC( fd_msg_dump_treeview(&buf, &buflen, NULL, *diam_ans, NULL, 0, 1) );
+ fd_log_debug(" Diameter message (%p) DUMP: %s", *diam_ans, buf);
+ free(buf);
+ }
+
+ if (!rad_fw || ! *rad_fw) {
+ fd_log_debug(" RADIUS answer: NULL pointer");
+ } else {
+ fd_log_debug(" RADIUS answer (%p) DUMP:", *rad_fw);
+ debug_dump_radius(*rad_fw);
+ }
+
+ fd_log_debug("=========== Debug%s%s%s complete =============", cs ? " [" : "", cs ? (char *)cs : "", cs ? "]" : "");
+ return 0;
+}
+
+
+/* The exported symbol */
+struct rgw_api rgwp_descriptor = {
+ .rgwp_name = "debug",
+ .rgwp_conf_parse = debug_conf_parse,
+ .rgwp_conf_free = NULL,
+ .rgwp_rad_req = debug_rad_req,
+ .rgwp_diam_ans = debug_diam_ans
+};