mirror of
http://galexander.org/git/simplesshd.git
synced 2024-11-16 03:59:03 +00:00
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/*
|
|
* Dropbear - a SSH2 server
|
|
*
|
|
* Copyright (c) 2002,2003 Matt Johnston
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE. */
|
|
|
|
#include "includes.h"
|
|
#include "runopts.h"
|
|
#include "signkey.h"
|
|
#include "buffer.h"
|
|
#include "dbutil.h"
|
|
#include "auth.h"
|
|
#include "algo.h"
|
|
#include "dbrandom.h"
|
|
|
|
runopts opts; /* GLOBAL */
|
|
|
|
/* returns success or failure, and the keytype in *type. If we want
|
|
* to restrict the type, type can contain a type to return */
|
|
int readhostkey(const char * filename, sign_key * hostkey,
|
|
enum signkey_type *type) {
|
|
|
|
int ret = DROPBEAR_FAILURE;
|
|
buffer *buf;
|
|
|
|
buf = buf_new(MAX_PRIVKEY_SIZE);
|
|
|
|
if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
|
|
goto out;
|
|
}
|
|
buf_setpos(buf, 0);
|
|
|
|
addrandom(buf_getptr(buf, buf->len), buf->len);
|
|
|
|
if (buf_get_priv_key(buf, hostkey, type) == DROPBEAR_FAILURE) {
|
|
goto out;
|
|
}
|
|
|
|
ret = DROPBEAR_SUCCESS;
|
|
out:
|
|
|
|
buf_burn(buf);
|
|
buf_free(buf);
|
|
return ret;
|
|
}
|
|
|
|
#ifdef ENABLE_USER_ALGO_LIST
|
|
void
|
|
parse_ciphers_macs()
|
|
{
|
|
if (opts.cipher_list)
|
|
{
|
|
if (strcmp(opts.cipher_list, "help") == 0)
|
|
{
|
|
char *ciphers = algolist_string(sshciphers);
|
|
dropbear_log(LOG_INFO, "Available ciphers:\n%s\n", ciphers);
|
|
m_free(ciphers);
|
|
dropbear_exit(".");
|
|
}
|
|
|
|
if (strcmp(opts.cipher_list, "none") == 0)
|
|
{
|
|
/* Encryption is required during authentication */
|
|
opts.cipher_list = "none,aes128-ctr";
|
|
}
|
|
|
|
if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0)
|
|
{
|
|
dropbear_exit("No valid ciphers specified for '-c'");
|
|
}
|
|
}
|
|
|
|
if (opts.mac_list)
|
|
{
|
|
if (strcmp(opts.mac_list, "help") == 0)
|
|
{
|
|
char *macs = algolist_string(sshhashes);
|
|
dropbear_log(LOG_INFO, "Available MACs:\n%s\n", macs);
|
|
m_free(macs);
|
|
dropbear_exit(".");
|
|
}
|
|
|
|
if (check_user_algos(opts.mac_list, sshhashes, "MAC") == 0)
|
|
{
|
|
dropbear_exit("No valid MACs specified for '-m'");
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void print_version() {
|
|
fprintf(stderr, "Dropbear v%s\n", DROPBEAR_VERSION);
|
|
}
|
|
|
|
|