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Better debugging when keys are not matching

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This commit is contained in:
Nicolas Viennot 2020-04-14 18:22:04 -04:00
parent 339e6c4357
commit cbec43f56d
1 changed files with 6 additions and 4 deletions
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10
tmate-ssh-client.c
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@ -328,7 +328,7 @@ static void on_ssh_client_event(struct tmate_ssh_client *client)
if (ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_SHA256, if (ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_SHA256,
&hash, &hash_len) < 0) { &hash, &hash_len) < 0) {
kill_ssh_client(client, "Cannot authenticate server"); kill_ssh_client(client, "Failed to get server fingerprint");
return; return;
} }
@ -362,15 +362,17 @@ static void on_ssh_client_event(struct tmate_ssh_client *client)
} }
match = !strcmp(hash_str, server_hash_str); match = !strcmp(hash_str, server_hash_str);
if (!match) {
kill_ssh_client(client, "Server fingerprint not recognized: "
"`%s', expected `%s'", server_hash_str, hash_str);
}
ssh_key_free(pubkey); ssh_key_free(pubkey);
ssh_clean_pubkey_hash(&hash); ssh_clean_pubkey_hash(&hash);
free(hash_str); free(hash_str);
if (!match) { if (!match)
kill_ssh_client(client, "Cannot authenticate server");
return; return;
}
/* /*
* At this point, we abort other connection attempts to the * At this point, we abort other connection attempts to the