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SSH2 NONE authentication

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Signed-off-by: Shreyas Mahajan <shreyasmahajan05@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Shreyas Mahajan
2026-02-07 00:29:24 +05:30
committed by Jakub Jelen
parent 50313883f3
commit c0963b3417
7 changed files with 80 additions and 15 deletions
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69
tests/client/torture_auth.c
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@@ -228,6 +228,44 @@ static void torture_auth_none_max_tries(void **state) {
torture_update_sshd_config(state, "");
}
static void torture_auth_none_success(void **state)
{
struct torture_state *s = *state;
const char *additional_config = "PermitEmptyPasswords yes\n"
"PasswordAuthentication yes\n"
"KbdInteractiveAuthentication no\n"
"PubkeyAuthentication no\n"
"AuthenticationMethods none\n";
ssh_session session = s->ssh.session;
int rc;
torture_update_sshd_config(state, additional_config);
/* Use noneuser which has an empty password set in shadow.in
* When PermitEmptyPasswords is yes and PasswordAuthentication is yes,
* OpenSSH's userauth_none() internally calls mm_auth_password() with
* an empty password, which succeeds for users with empty passwords.
*/
rc = ssh_options_set(session, SSH_OPTIONS_USER, TORTURE_SSH_USER_NONEUSER);
if (rc != SSH_OK) {
goto cleanup;
}
rc = ssh_connect(session);
if (rc != SSH_OK) {
goto cleanup;
}
rc = ssh_userauth_none(session, NULL);
assert_int_equal(rc, SSH_AUTH_SUCCESS);
cleanup:
torture_update_sshd_config(state, "");
if (rc != SSH_OK && rc != SSH_AUTH_SUCCESS) {
assert_int_equal(rc, SSH_OK);
}
}
static void torture_auth_pubkey(void **state) {
struct torture_state *s = *state;
@@ -1373,6 +1411,9 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_auth_none_nonblocking,
session_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_none_success,
session_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_none_max_tries,
session_setup,
session_teardown),
@@ -1424,9 +1465,10 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_auth_agent_identities_only,
agent_setup,
agent_teardown),
cmocka_unit_test_setup_teardown(torture_auth_agent_identities_only_protected,
agent_setup,
agent_teardown),
cmocka_unit_test_setup_teardown(
torture_auth_agent_identities_only_protected,
agent_setup,
agent_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types,
pubkey_setup,
session_teardown),
@@ -1436,15 +1478,17 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types_ecdsa,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types_ecdsa_nonblocking,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(
torture_auth_pubkey_types_ecdsa_nonblocking,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types_ed25519,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types_ed25519_nonblocking,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(
torture_auth_pubkey_types_ed25519_nonblocking,
pubkey_setup,
session_teardown),
#ifdef WITH_FIDO2
cmocka_unit_test_setup_teardown(torture_auth_pubkey_types_sk_ecdsa,
pubkey_setup,
@@ -1456,9 +1500,10 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_auth_pubkey_rsa_key_size,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_rsa_key_size_nonblocking,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(
torture_auth_pubkey_rsa_key_size_nonblocking,
pubkey_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_auth_pubkey_skip_none,
pubkey_setup,
session_teardown),