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/*
Copyright (C) 2003-2004 Douglas Thain and the University of Wisconsin
Copyright (C) 2005- The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file COPYING for details.
*/
#include "auth.h"
#include "link.h"
#include "getopt.h"
#include "debug.h"
#include "domain_name_cache.h"
#include "auth_all.h"
#include "stringtools.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
static void show_help(const char *cmd)
{
fprintf(stdout, "Use: %s [options]\n", cmd);
fprintf(stdout, "Where options are:\n");
fprintf(stdout, " %-30s This message\n", "-h,--help=<flag>");
fprintf(stdout, " %-30s Debugging\n", "-d,--debug=<flag>");
fprintf(stdout, " %-30s Send debugging to this file. (can also be :stderr, or :stdout)\n", "-o,--debug-file=<file>");
fprintf(stdout, " %-30s Rotate debug files of this size (default 10M, 0 disables)\n", "-O,--debug-rotate-max=<bytes>");
fprintf(stdout, " %-30s Allow this auth type\n", "-a,--auth=<type>");
fprintf(stdout, " %-30s Port number\n", "-p,--port=<num>");
fprintf(stdout, " %-30s Remote host\n", "-r,--host=<host>");
fprintf(stdout, "Where debug flags arg: ");
debug_flags_print(stderr);
fprintf(stdout, "\n");
}
int main(int argc, char *argv[])
{
struct link *link, *manager;
char *subject = 0, *type = 0;
time_t stoptime;
char line[1024];
signed char c;
int portnum = 30000;
char *hostname = 0;
int timeout = 30;
debug_config(argv[0]);
static const struct option long_options[] = {
{"auth", required_argument, 0, 'a'},
{"port", required_argument, 0, 'p'},
{"host", required_argument, 0, 'r'},
{"help", required_argument, 0, 'h'},
{"debug-file", required_argument, 0, 'o'},
{"debug-rotate-max", required_argument, 0, 'O'},
{"debug", required_argument, 0, 'd'},
{0,0,0,0}
};
while((c = getopt_long(argc, argv, "a:p:r:d:o:O:", long_options, NULL)) > -1) {
switch (c) {
case 'p':
portnum = atoi(optarg);
break;
case 'h':
show_help(argv[0]);
exit(0);
break;
case 'r':
hostname = optarg;
break;
case 'd':
debug_flags_set(optarg);
break;
case 'o':
debug_config_file(optarg);
break;
case 'O':
debug_config_file_size(string_metric_parse(optarg));
break;
case 'a':
if(!auth_register_byname(optarg))
fatal("couldn't register %s authentication", optarg);
break;
default:
show_help(argv[0]);
exit(1);
break;
}
}
if(hostname) {
char addr[LINK_ADDRESS_MAX];
stoptime = time(0) + timeout;
if(!domain_name_cache_lookup(hostname, addr))
fatal("unknown host name: %s", hostname);
link = link_connect(addr, portnum, stoptime);
if(!link)
fatal("couldn't connect to %s:%d: %s", hostname, portnum, strerror(errno));
if(auth_assert(link, &type, &subject, stoptime)) {
printf("server thinks I am %s %s\n", type, subject);
if(link_readline(link, line, sizeof(line), stoptime)) {
printf("got message: %s\n", line);
} else {
printf("lost connection!\n");
}
} else {
printf("unable to authenticate.\n");
}
link_close(link);
} else {
stoptime = time(0) + timeout;
manager = link_serve(portnum);
if(!manager)
fatal("couldn't serve port %d: %s\n", portnum, strerror(errno));
while(time(0) < stoptime) {
link = link_accept(manager, stoptime);
if(!link)
continue;
if(auth_accept(link, &type, &subject, stoptime)) {
time_t t = time(0);
link_putfstring(link, "Hello %s:%s, it is now %s", stoptime, type, subject, ctime(&t)); /* ctime ends with newline */
} else {
printf("couldn't auth accept\n");
}
link_close(link);
}
}
return 0;
}
/* vim: set noexpandtab tabstop=4: */
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