2 * Copyright (c) 2012, JANET(UK)
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6 * modification, are permitted provided that the following conditions
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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>
46 static void tidc_resp_handler (TIDC_INSTANCE * tidc,
52 unsigned char *c_keybuf = NULL;
56 printf ("Response received! Realm = %s, Community = %s.\n", resp->realm->buf, resp->comm->buf);
58 /* Generate the client key -- TBD, handle more than one server */
59 if (TID_SUCCESS != resp->result) {
60 fprintf(stderr, "tidc_resp_handler: Response is an error.\n");
65 fprintf(stderr, "tidc_resp_handler: Response does not contain server info.\n");
68 if (tid_srvr_get_key_expiration(tid_resp_get_server(resp, 0), &tv))
69 printf("Error reading key expiration\n");
71 printf("Key expiration: %s", ctime(&tv.tv_sec));
74 if (0 > (c_keylen = tr_compute_dh_key(&c_keybuf,
75 resp->servers->aaa_server_dh->pub_key,
78 printf("tidc_resp_handler: Error computing client key.\n");
82 /* Print out the client key. */
83 printf("Client Key Generated (len = %d):\n", c_keylen);
84 for (i = 0; i < c_keylen; i++) {
85 printf("%.2x", c_keybuf[i]);
93 static void print_version_info(void)
95 printf("Moonshot TID Client %s\n\n", PACKAGE_VERSION);
98 /* command-line option setup */
100 /* argp global parameters */
101 const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
104 static const char doc[]=PACKAGE_NAME " - Moonshot TID Client " PACKAGE_VERSION;
105 static const char arg_doc[]="<server> <RP-realm> <target-realm> <community> [<port>]"; /* string describing arguments, if any */
107 /* define the options here. Fields are:
108 * { long-name, short-name, variable name, options, help description } */
109 static const struct argp_option cmdline_options[] = {
110 { "version", 'v', NULL, 0, "Print version information and exit"},
114 /* structure for communicating with option parser */
115 struct cmdline_args {
120 int port; /* optional */
123 /* parser for individual options - fills in a struct cmdline_args */
124 static error_t parse_option(int key, char *arg, struct argp_state *state)
126 /* get a shorthand to the command line argument structure, part of state */
127 struct cmdline_args *arguments=state->input;
130 case ARGP_KEY_ARG: /* handle argument (not option) */
131 switch (state->arg_num) {
133 arguments->server=arg;
137 arguments->rp_realm=arg;
141 arguments->target_realm=arg;
145 arguments->community=arg;
149 arguments->port=strtol(arg, NULL, 10); /* optional */
153 /* too many arguments */
158 case ARGP_KEY_END: /* no more arguments */
159 if (state->arg_num < 4) {
160 /* not enough arguments encountered */
166 print_version_info();
170 return ARGP_ERR_UNKNOWN;
173 return 0; /* success */
176 /* assemble the argp parser */
177 static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
186 struct cmdline_args opts;
188 /* parse the command line*/
192 opts.target_realm=NULL;
196 argp_parse(&argp, argc, argv, 0, 0, &opts);
197 /* TBD -- validity checking, dealing with quotes, etc. */
199 print_version_info();
201 /* Use standalone logging */
204 /* set logging levels */
205 talloc_set_log_stderr();
206 tr_log_threshold(LOG_CRIT);
207 tr_console_threshold(LOG_DEBUG);
209 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);
211 /* Create a TID client instance & the client DH */
212 tidc = tidc_create();
213 tidc_set_dh(tidc, tr_create_dh_params(NULL, 0));
214 if (tidc_get_dh(tidc) == NULL) {
215 printf("Error creating client DH params.\n");
219 /* Set-up TID connection */
220 if (-1 == (conn = tidc_open_connection(tidc, opts.server, opts.port, &gssctx))) {
222 printf("Error in tidc_open_connection.\n");
226 /* Send a TID request */
227 if (0 > (rc = tidc_send_request(tidc, conn, gssctx, opts.rp_realm, opts.target_realm, opts.community,
228 &tidc_resp_handler, NULL))) {
230 printf("Error in tidc_send_request, rc = %d.\n", rc);
234 /* Clean-up the TID client instance, and exit */