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known_hosts: add ssh_knownhosts_algorithms()

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Goal of that function is to test the preferred key exchange methods
based on what's available in the known_hosts file
This commit is contained in:
Aris Adamantiadis
2014-02-01 16:35:13 +01:00
parent 1c24a0508f
commit c433ac02bd
3 changed files with 110 additions and 5 deletions
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37
tests/client/torture_knownhosts.c
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@@ -134,7 +134,6 @@ static void torture_knownhosts_fail(void **state) {
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_CHANGED);
}
static void torture_knownhosts_other(void **state) {
@@ -161,7 +160,6 @@ static void torture_knownhosts_other(void **state) {
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_FOUND_OTHER);
}
static void torture_knownhosts_conflict(void **state) {
@@ -209,16 +207,45 @@ static void torture_knownhosts_conflict(void **state) {
rc = ssh_is_server_known(session);
assert_true(rc == SSH_SERVER_KNOWN_OK);
}
static void torture_knownhosts_precheck(void **state) {
ssh_session session = *state;
FILE *file;
int rc;
int dsa;
int rsa;
rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
assert_true(rc == SSH_OK);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, KNOWNHOSTFILES);
assert_true(rc == SSH_OK);
file = fopen(KNOWNHOSTFILES, "w");
assert_true(file != NULL);
fprintf(file, "localhost ssh-rsa %s\n", BADRSA);
fprintf(file, "localhost ssh-dss %s\n", BADDSA);
fclose(file);
rc = ssh_knownhosts_algorithms(session);
assert_true(rc != SSH_ERROR);
dsa = 1 << SSH_KEYTYPE_DSS;
rsa = 1 << SSH_KEYTYPE_RSA;
assert_true(rc & dsa);
assert_true(rc & rsa);
/* nothing else than dsa and rsa */
assert_true((rc & (dsa | rsa)) == rc);
}
int torture_run_tests(void) {
int rc;
const UnitTest tests[] = {
unit_test_setup_teardown(torture_knownhosts_port, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_fail, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_other, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_conflict, setup, teardown)
unit_test_setup_teardown(torture_knownhosts_conflict, setup, teardown),
unit_test_setup_teardown(torture_knownhosts_precheck, setup, teardown)
};
ssh_init();