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fix ssh known_hosts saving/loading for new libssh2 version

This commit is contained in:
cy384 2021-01-09 14:14:56 -05:00
parent 7fca90c8eb
commit 635c86069e
1 changed files with 42 additions and 6 deletions
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48
ssheven.c
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@ -1255,8 +1255,8 @@ int intro_dialog(void)
char* host_hash(void)
{
size_t length = 0;
char* human_readable = malloc(64);
memset(human_readable, 0, 64);
char* human_readable = malloc(66);
memset(human_readable, 0, 66);
const char* host_key_hash = NULL;
host_key_hash = libssh2_hostkey_hash(ssh_con.session, LIBSSH2_HOSTKEY_HASH_SHA256);
@ -1342,8 +1342,11 @@ int known_hosts(void)
if (safe_to_connect)
{
// our hostname string includes the port, I guess that's okay?
int e = libssh2_knownhost_check(known_hosts, prefs.hostname+1, host_key, key_len, key_type, NULL);
// hostnames need to be either plain or of the format "[host]:port"
prefs.hostname[prefs.hostname[0]+1] = '\0';
int e = libssh2_knownhost_check(known_hosts, prefs.hostname+1, host_key, key_len, LIBSSH2_KNOWNHOST_TYPE_PLAIN | LIBSSH2_KNOWNHOST_KEYENC_RAW, NULL);
prefs.hostname[prefs.hostname[0]+1] = ':';
switch (e)
{
case LIBSSH2_KNOWNHOST_CHECK_FAILURE:
@ -1409,8 +1412,41 @@ int known_hosts(void)
printf_i("Saving host and key... ");
int save_type = (key_type == LIBSSH2_HOSTKEY_TYPE_RSA ? LIBSSH2_KNOWNHOST_KEY_SSHRSA : LIBSSH2_KNOWNHOST_KEY_SSHDSS);
int e = libssh2_knownhost_addc(known_hosts, prefs.hostname+1, NULL, host_key, key_len, NULL, 0, LIBSSH2_KNOWNHOST_TYPE_PLAIN | LIBSSH2_KNOWNHOST_KEYENC_RAW | save_type, NULL);
int save_type = 0;
save_type |= LIBSSH2_KNOWNHOST_TYPE_PLAIN;
save_type |= LIBSSH2_KNOWNHOST_KEYENC_RAW;
switch (key_type)
{
default:
__attribute__ ((fallthrough));
case LIBSSH2_HOSTKEY_TYPE_UNKNOWN:
save_type |= LIBSSH2_KNOWNHOST_KEY_UNKNOWN;
break;
case LIBSSH2_HOSTKEY_TYPE_RSA:
save_type |= LIBSSH2_KNOWNHOST_KEY_SSHRSA;
break;
case LIBSSH2_HOSTKEY_TYPE_DSS:
save_type |= LIBSSH2_KNOWNHOST_KEY_SSHDSS;
break;
case LIBSSH2_HOSTKEY_TYPE_ECDSA_256:
save_type |= LIBSSH2_KNOWNHOST_KEY_ECDSA_256;
break;
case LIBSSH2_HOSTKEY_TYPE_ECDSA_384:
save_type |= LIBSSH2_KNOWNHOST_KEY_ECDSA_384;
break;
case LIBSSH2_HOSTKEY_TYPE_ECDSA_521:
save_type |= LIBSSH2_KNOWNHOST_KEY_ECDSA_521;
break;
case LIBSSH2_HOSTKEY_TYPE_ED25519:
save_type |= LIBSSH2_KNOWNHOST_KEY_ED25519;
break;
}
// hostnames need to be either plain or of the format "[host]:port"
prefs.hostname[prefs.hostname[0]+1] = '\0';
int e = libssh2_knownhost_addc(known_hosts, prefs.hostname+1, NULL, host_key, key_len, NULL, 0, save_type, NULL);
prefs.hostname[prefs.hostname[0]+1] = ':';
if (e != 0) printf_i("failed to add to known hosts: %s\r\n", libssh2_error_string(e));
else