summaryrefslogtreecommitdiff
path: root/lib/radius/examples/example_3.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/radius/examples/example_3.c')
-rw-r--r--lib/radius/examples/example_3.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/lib/radius/examples/example_3.c b/lib/radius/examples/example_3.c
new file mode 100644
index 0000000..6104f6f
--- /dev/null
+++ b/lib/radius/examples/example_3.c
@@ -0,0 +1,123 @@
+/*
+Copyright (c) 2011, Network RADIUS SARL
+All rights reserved.
+
+Redistribution and use 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 <organization> nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+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 <COPYRIGHT HOLDER> 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.
+ */
+
+#include <networkradius-devel/client.h>
+
+/** \file example_3.c
+ * \brief Sample code to initialize a RADIUS packet and a response to it.
+ *
+ * This example initializes a packet, and then adds User-Name and
+ * User-Password to it. The resulting packet is then printed to the
+ * standard output.
+ *
+ * As a next step, it then creates the response, and prints that,
+ * too.
+ */
+
+static const char *secret = "testing123";
+static uint8_t request_buffer[NR_MAX_PACKET_LEN];
+static uint8_t response_buffer[NR_MAX_PACKET_LEN];
+static RADIUS_PACKET request, response;
+
+int main(int argc, const char *argv[])
+{
+ int rcode;
+ const char *user = "bob";
+ const char *password = "password";
+
+ rcode = nr_packet_init(&request, NULL, secret, PW_ACCESS_REQUEST,
+ request_buffer, sizeof(request_buffer));
+ if (rcode < 0) {
+ error:
+ fprintf(stderr, "Error :%s\n", nr_strerror(rcode));
+ return 1;
+ }
+
+ if (argc > 1) user = argv[1];
+ if (argc > 2) password = argv[2];
+
+ rcode = nr_packet_attr_append(&request, NULL,
+ NR_DA_USER_NAME,
+ user, 0);
+ if (rcode < 0) goto error;
+
+ rcode = nr_packet_attr_append(&request, NULL,
+ NR_DA_USER_PASSWORD,
+ password, 0);
+ if (rcode < 0) goto error;
+
+ /*
+ * ALWAYS call nr_packet_sign() before sending the packet
+ * to anyone else!
+ */
+ rcode = nr_packet_sign(&request, NULL);
+ if (rcode < 0) goto error;
+
+ nr_packet_print_hex(&request);
+
+ rcode = nr_packet_init(&response, &request, secret, PW_ACCESS_ACCEPT,
+ response_buffer, sizeof(response_buffer));
+ if (rcode < 0) goto error;
+
+ rcode = nr_packet_attr_append(&response, &request,
+ NR_DA_REPLY_MESSAGE,
+ "Success!", 0);
+ if (rcode < 0) goto error;
+
+ rcode = nr_packet_attr_append(&response, &request,
+ NR_DA_TUNNEL_PASSWORD,
+ password, 0);
+ if (rcode < 0) goto error;
+ rcode = nr_packet_sign(&response, &request);
+ if (rcode < 0) goto error;
+
+ nr_packet_print_hex(&response);
+
+ /*
+ * Check that the response is well-formed. The
+ * nr_packet_verify() function also calls nr_packet_ok().
+ * However, it is sometimes useful to separate "malformed
+ * packet" errors from "packet is not a response to a
+ * reqeust" errors.
+ */
+ rcode = nr_packet_ok(&response);
+ if (rcode < 0) goto error;
+
+ /*
+ * Double-check the signature of the response.
+ */
+ rcode = nr_packet_verify(&response, &request);
+ if (rcode < 0) goto error;
+
+ rcode = nr_packet_decode(&response, &request);
+ if (rcode < 0) goto error;
+
+ nr_vp_fprintf_list(stdout, response.vps);
+ nr_vp_free(&response.vps);
+
+ return 0;
+}