#include <stdlib.h>
#include <stdio.h>
+#include <talloc.h>
+#include <argp.h>
#include <gsscon.h>
-#include <tid.h>
+#include <tr_debug.h>
+#include <tid_internal.h>
+#include <trust_router/tr_dh.h>
+#include <trust_router/tid.h>
+#include <tr_inet_util.h>
-static int tidc_response_received = 0;
+static void tidc_resp_handler (TIDC_INSTANCE * tidc,
+ TID_REQ *req,
+ TID_RESP *resp,
+ void *cookie)
+{
+ int c_keylen = 0;
+ unsigned char *c_keybuf = NULL;
+ int i;
+ struct timeval tv;
+
+ printf ("Response received! Realm = %s, Community = %s.\n", resp->realm->buf, resp->comm->buf);
+
+ /* Generate the client key -- TBD, handle more than one server */
+ if (TID_SUCCESS != resp->result) {
+ fprintf(stderr, "tidc_resp_handler: Response is an error.\n");
+ return;
+ }
-void tidc_print_usage (const char *name)
+ if (!resp->servers) {
+ fprintf(stderr, "tidc_resp_handler: Response does not contain server info.\n");
+ return;
+ }
+ if (tid_srvr_get_key_expiration(tid_resp_get_server(resp, 0), &tv))
+ printf("Error reading key expiration\n");
+ else
+ printf("Key expiration: %s", ctime(&tv.tv_sec));
+
+
+ if (0 > (c_keylen = tr_compute_dh_key(&c_keybuf,
+ resp->servers->aaa_server_dh->pub_key,
+ req->tidc_dh))) {
+
+ printf("tidc_resp_handler: Error computing client key.\n");
+ return;
+ }
+
+ /* Print out the client key. */
+ printf("Client Key Generated (len = %d):\n", c_keylen);
+ for (i = 0; i < c_keylen; i++) {
+ printf("%.2x", c_keybuf[i]);
+ }
+ printf("\n");
+
+ return;
+}
+
+
+static void print_version_info(void)
{
- printf("Usage: %s <server> <RP-realm> <target-realm> <community>\n", name);
+ printf("Moonshot TID Client %s\n\n", PACKAGE_VERSION);
}
-void tidc_resp_handler (TIDC_INSTANCE * tidc,
- TID_RESP *resp,
- void *cookie)
+/* command-line option setup */
+
+/* argp global parameters */
+const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
+
+/* doc strings */
+static const char doc[]=PACKAGE_NAME " - Moonshot TID Client " PACKAGE_VERSION;
+static const char arg_doc[]="<server> <RP-realm> <target-realm> <community> [<port>]"; /* string describing arguments, if any */
+
+/* define the options here. Fields are:
+ * { long-name, short-name, variable name, options, help description } */
+static const struct argp_option cmdline_options[] = {
+ { "version", 'v', NULL, 0, "Print version information and exit"},
+ { NULL }
+};
+
+/* structure for communicating with option parser */
+struct cmdline_args {
+ char *server;
+ char *rp_realm;
+ char *target_realm;
+ char *community;
+ int port; /* optional */
+};
+
+/* parser for individual options - fills in a struct cmdline_args */
+static error_t parse_option(int key, char *arg, struct argp_state *state)
{
- // printf ("Response received! Realm = %s, COI = %s.\n", resp->realm->buf,
- // resp->coi->buf);
- printf ("Response received at handler!\n");
- tidc_response_received = 1;
- return;
+ /* get a shorthand to the command line argument structure, part of state */
+ struct cmdline_args *arguments=state->input;
+
+ switch (key) {
+ case ARGP_KEY_ARG: /* handle argument (not option) */
+ switch (state->arg_num) {
+ case 0:
+ arguments->server=arg;
+ break;
+
+ case 1:
+ arguments->rp_realm=arg;
+ break;
+
+ case 2:
+ arguments->target_realm=arg;
+ break;
+
+ case 3:
+ arguments->community=arg;
+ break;
+
+ case 4:
+ arguments->port=tr_parse_port(arg); /* optional */
+ if (arguments->port < 0) {
+ switch(-(arguments->port)) {
+ case ERANGE:
+ printf("\nError parsing port (%s): port must be an integer in the range 1 - 65535\n\n", arg);
+ break;
+
+ default:
+ printf("\nError parsing port (%s): %s\n\n", arg, strerror(-arguments->port));
+ break;
+ }
+ argp_usage(state);
+ }
+ break;
+
+ default:
+ /* too many arguments */
+ argp_usage(state);
+ }
+ break;
+
+ case ARGP_KEY_END: /* no more arguments */
+ if (state->arg_num < 4) {
+ /* not enough arguments encountered */
+ argp_usage(state);
+ }
+ break;
+
+ case 'v':
+ print_version_info();
+ exit(0);
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+
+ return 0; /* success */
}
+/* assemble the argp parser */
+static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
+
int main (int argc,
- const char *argv[])
+ char *argv[])
{
TIDC_INSTANCE *tidc;
- TID_REQ *treq;
- char *server = NULL;
- char *rp_realm = NULL;
- char *realm = NULL;
- char *coi = NULL;
- void *cookie = NULL;
int conn = 0;
int rc;
gss_ctx_id_t gssctx;
+ struct cmdline_args opts;
- /* Parse command-line arguments */
- if (argc != 5) {
- tidc_print_usage(argv[0]);
- exit(1);
- }
+ /* parse the command line*/
+ /* set defaults */
+ opts.server=NULL;
+ opts.rp_realm=NULL;
+ opts.target_realm=NULL;
+ opts.community=NULL;
+ opts.port=TID_PORT;
+ argp_parse(&argp, argc, argv, 0, 0, &opts);
/* TBD -- validity checking, dealing with quotes, etc. */
- server = (char *)argv[1];
- rp_realm = (char *) argv[2];
- realm = (char *)argv[3];
- coi = (char *)argv[4];
- printf("TIDC Client:\nServer = %s, rp_realm = %s, target_realm = %s, community = %s\n", server, rp_realm, realm, coi);
+ print_version_info();
+
+ /* Use standalone logging */
+ tr_log_open();
+
+ /* set logging levels */
+ talloc_set_log_stderr();
+ tr_log_threshold(LOG_CRIT);
+ tr_console_threshold(LOG_DEBUG);
+
+ 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);
- /* Create a TID client instance */
+ /* Create a TID client instance & the client DH */
tidc = tidc_create();
+ tidc_set_dh(tidc, tr_create_dh_params(NULL, 0));
+ if (tidc_get_dh(tidc) == NULL) {
+ printf("Error creating client DH params.\n");
+ return 1;
+ }
/* Set-up TID connection */
- if (-1 == (conn = tidc_open_connection(tidc, server, &gssctx))) {
+ if (-1 == (conn = tidc_open_connection(tidc, opts.server, opts.port, &gssctx))) {
/* Handle error */
printf("Error in tidc_open_connection.\n");
return 1;
};
/* Send a TID request */
- if (0 > (rc = tidc_send_request(tidc, conn, gssctx, rp_realm, realm, coi,
+ if (0 > (rc = tidc_send_request(tidc, conn, gssctx, opts.rp_realm, opts.target_realm, opts.community,
&tidc_resp_handler, NULL))) {
/* Handle error */
printf("Error in tidc_send_request, rc = %d.\n", rc);
return 1;
}
- /* Wait for a response */
- while (!tidc_response_received);
-
/* Clean-up the TID client instance, and exit */
tidc_destroy(tidc);
projects / trust_router.git / blobdiff