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tests: Verify the hostkey ordering for negotiation is correct

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Previously, not all of the host keys algorithms were used for algorithm
negotiation. This verifies the algorithms list is sane and ordered
with the key types from known hosts in the first place.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2018-10-18 16:18:22 +02:00
committed by Andreas Schneider
parent 32e502a79d
commit bdb3bb9ccd
3 changed files with 32 additions and 1 deletions
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30
tests/unittests/torture_knownhosts_parsing.c
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@ -277,6 +277,33 @@ static void torture_knownhosts_host_exists(void **state)
ssh_free(session);
}
static void
torture_knownhosts_algorithms(void **state)
{
const char *knownhosts_file = *state;
char *algo_list = NULL;
ssh_session session;
const char *expect = "ssh-ed25519,ssh-rsa,ecdsa-sha2-nistp521,"
"ecdsa-sha2-nistp384,ecdsa-sha2-nistp256"
#ifdef HAVE_DSA
",ssh-dss"
#endif
;
session = ssh_new();
assert_non_null(session);
ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, knownhosts_file);
algo_list = ssh_client_select_hostkeys(session);
assert_non_null(algo_list);
assert_string_equal(algo_list, expect);
free(algo_list);
ssh_free(session);
}
int torture_run_tests(void) {
int rc;
struct CMUnitTest tests[] = {
@ -292,6 +319,9 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_knownhosts_host_exists,
setup_knownhosts_file,
teardown_knownhosts_file),
cmocka_unit_test_setup_teardown(torture_knownhosts_algorithms,
setup_knownhosts_file,
teardown_knownhosts_file),
};
ssh_init();