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/*
* Copyright (C) 2017-2018 Tobias Brunner
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "command.h"
#include <errno.h>
static int rekey(vici_conn_t *conn)
{
vici_req_t *req;
vici_res_t *res;
command_format_options_t format = COMMAND_FORMAT_NONE;
char *arg, *child = NULL, *ike = NULL;
int ret = 0, child_id = 0, ike_id = 0;
bool reauth = FALSE;
while (TRUE)
{
switch (command_getopt(&arg))
{
case 'h':
return command_usage(NULL);
case 'P':
format |= COMMAND_FORMAT_PRETTY;
/* fall through to raw */
case 'r':
format |= COMMAND_FORMAT_RAW;
continue;
case 'c':
child = arg;
continue;
case 'i':
ike = arg;
continue;
case 'C':
child_id = atoi(arg);
continue;
case 'I':
ike_id = atoi(arg);
continue;
case 'a':
reauth = TRUE;
continue;
case EOF:
break;
default:
return command_usage("invalid --rekey option");
}
break;
}
req = vici_begin("rekey");
if (child)
{
vici_add_key_valuef(req, "child", "%s", child);
}
if (ike)
{
vici_add_key_valuef(req, "ike", "%s", ike);
}
if (child_id)
{
vici_add_key_valuef(req, "child-id", "%d", child_id);
}
if (ike_id)
{
vici_add_key_valuef(req, "ike-id", "%d", ike_id);
}
if (reauth)
{
vici_add_key_valuef(req, "reauth", "yes");
}
res = vici_submit(req, conn);
if (!res)
{
ret = errno;
fprintf(stderr, "rekey request failed: %s\n", strerror(errno));
return ret;
}
if (format & COMMAND_FORMAT_RAW)
{
vici_dump(res, "rekey reply", format & COMMAND_FORMAT_PRETTY,
stdout);
}
else
{
if (streq(vici_find_str(res, "no", "success"), "yes"))
{
printf("rekey completed successfully\n");
}
else
{
fprintf(stderr, "rekey failed: %s\n",
vici_find_str(res, "", "errmsg"));
ret = 1;
}
}
vici_free_res(res);
return ret;
}
/**
* Register the command.
*/
static void __attribute__ ((constructor))reg()
{
command_register((command_t) {
rekey, 'R', "rekey", "rekey an SA",
{"--child <name> | --ike <name> | --child-id <id> | --ike-id <id>",
"[--reauth] [--raw|--pretty]"},
{
{"help", 'h', 0, "show usage information"},
{"child", 'c', 1, "rekey by CHILD_SA name"},
{"ike", 'i', 1, "rekey by IKE_SA name"},
{"child-id", 'C', 1, "rekey by CHILD_SA unique identifier"},
{"ike-id", 'I', 1, "rekey by IKE_SA unique identifier"},
{"reauth", 'a', 0, "reauthenticate instead of rekey an IKEv2 SA"},
{"raw", 'r', 0, "dump raw response message"},
{"pretty", 'P', 0, "dump raw response message in pretty print"},
}
});
}
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