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/*
* Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <net/auth.h>
#include <net/stpsession.h>
#include <crypto/ecdh.h>
#include <stdio.h>
#define KEY_BYTE_WIDTH 32
static void
log_pubkey(char pubkey[KEY_BYTE_WIDTH])
{
for (size_t i = 0; i < KEY_BYTE_WIDTH; ++i) {
printf("%02X ", pubkey[i] & 0xFF);
if (i != 0 && i % 4 == 0) {
printf("\n");
}
}
}
/*
* Verify the session request packet and handle
* the rest.
*
* @client_fd: File descriptor for client socket.
* @srq: Session request packet.
*/
int
handle_srq(int client_fd, struct session_request *srq)
{
struct x25519_keypair keypair;
printf("Got public key from peer: \n");
log_pubkey(srq->pubkey);
printf("Generating keys...\n");
if (gen_x25519_keypair(&keypair) < 0) {
printf("Key generation failed!\n");
return -1;
}
return 0;
}
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