2 * Copyright (c) 2012, JANET(UK)
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6 * modification, are permitted provided that the following conditions
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17 * may be used to endorse or promote products derived from this software
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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42 #include <tid_internal.h>
43 #include <trust_router/tr_dh.h>
44 #include <trust_router/tid.h>
45 #include <tr_inet_util.h>
47 static void tidc_resp_handler (TIDC_INSTANCE * tidc,
53 unsigned char *c_keybuf = NULL;
57 printf ("Response received! Realm = %s, Community = %s.\n", resp->realm->buf, resp->comm->buf);
59 /* Generate the client key -- TBD, handle more than one server */
60 if (TID_SUCCESS != resp->result) {
61 fprintf(stderr, "tidc_resp_handler: Response is an error.\n");
66 fprintf(stderr, "tidc_resp_handler: Response does not contain server info.\n");
69 if (tid_srvr_get_key_expiration(tid_resp_get_server(resp, 0), &tv))
70 printf("Error reading key expiration\n");
72 printf("Key expiration: %s", ctime(&tv.tv_sec));
75 if (0 > (c_keylen = tr_compute_dh_key(&c_keybuf,
76 resp->servers->aaa_server_dh->pub_key,
79 printf("tidc_resp_handler: Error computing client key.\n");
83 /* Print out the client key. */
84 printf("Client Key Generated (len = %d):\n", c_keylen);
85 for (i = 0; i < c_keylen; i++) {
86 printf("%.2x", c_keybuf[i]);
94 static void print_version_info(void)
96 printf("Moonshot TID Client %s\n\n", PACKAGE_VERSION);
99 /* command-line option setup */
101 /* argp global parameters */
102 const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
105 static const char doc[]=PACKAGE_NAME " - Moonshot TID Client " PACKAGE_VERSION;
106 static const char arg_doc[]="<server> <RP-realm> <target-realm> <community> [<port>]"; /* string describing arguments, if any */
108 /* define the options here. Fields are:
109 * { long-name, short-name, variable name, options, help description } */
110 static const struct argp_option cmdline_options[] = {
111 { "version", 'v', NULL, 0, "Print version information and exit"},
115 /* structure for communicating with option parser */
116 struct cmdline_args {
121 int port; /* optional */
124 /* parser for individual options - fills in a struct cmdline_args */
125 static error_t parse_option(int key, char *arg, struct argp_state *state)
127 /* get a shorthand to the command line argument structure, part of state */
128 struct cmdline_args *arguments=state->input;
131 case ARGP_KEY_ARG: /* handle argument (not option) */
132 switch (state->arg_num) {
134 arguments->server=arg;
138 arguments->rp_realm=arg;
142 arguments->target_realm=arg;
146 arguments->community=arg;
150 arguments->port=tr_parse_port(arg); /* optional */
151 if (arguments->port < 0) {
152 switch(-(arguments->port)) {
154 printf("\nError parsing port (%s): port must be an integer in the range 1 - 65535\n\n", arg);
158 printf("\nError parsing port (%s): %s\n\n", arg, strerror(-arguments->port));
166 /* too many arguments */
171 case ARGP_KEY_END: /* no more arguments */
172 if (state->arg_num < 4) {
173 /* not enough arguments encountered */
179 print_version_info();
183 return ARGP_ERR_UNKNOWN;
186 return 0; /* success */
189 /* assemble the argp parser */
190 static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
199 struct cmdline_args opts;
201 /* parse the command line*/
205 opts.target_realm=NULL;
209 argp_parse(&argp, argc, argv, 0, 0, &opts);
210 /* TBD -- validity checking, dealing with quotes, etc. */
212 print_version_info();
214 /* Use standalone logging */
217 /* set logging levels */
218 talloc_set_log_stderr();
219 tr_log_threshold(LOG_CRIT);
220 tr_console_threshold(LOG_DEBUG);
222 printf("TIDC Client:\nServer = %s, rp_realm = %s, target_realm = %s, community = %s, port = %i\n", opts.server, opts.rp_realm, opts.target_realm, opts.community, opts.port);
224 /* Create a TID client instance & the client DH */
225 tidc = tidc_create();
226 tidc_set_dh(tidc, tr_create_dh_params(NULL, 0));
227 if (tidc_get_dh(tidc) == NULL) {
228 printf("Error creating client DH params.\n");
232 /* Set-up TID connection */
233 if (-1 == (conn = tidc_open_connection(tidc, opts.server, opts.port, &gssctx))) {
235 printf("Error in tidc_open_connection.\n");
239 /* Send a TID request */
240 if (0 > (rc = tidc_send_request(tidc, conn, gssctx, opts.rp_realm, opts.target_realm, opts.community,
241 &tidc_resp_handler, NULL))) {
243 printf("Error in tidc_send_request, rc = %d.\n", rc);
247 /* Clean-up the TID client instance, and exit */