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knownhosts: Introduced ssh_known_hosts_get_algorithms_names()

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The added internal function obtain a newly allocated string containing a
list of the signature types that can be generated by the keys present in
the known_hosts files, separated by commas.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Anderson Toshiyuki Sasaki
2019-07-02 13:48:17 +02:00
parent 548753b338
commit 65a38759ca
3 changed files with 170 additions and 0 deletions
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28
tests/unittests/torture_knownhosts_parsing.c
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@ -369,6 +369,31 @@ static void torture_knownhosts_read_file(void **state)
ssh_list_free(entry_list);
}
static void torture_knownhosts_get_algorithms_names(void **state)
{
const char *knownhosts_file = *state;
ssh_session session;
const char *expect = "ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa";
char *names = NULL;
bool process_config = false;
session = ssh_new();
assert_non_null(session);
/* This makes sure the global configuration file is not processed */
ssh_options_set(session, SSH_OPTIONS_PROCESS_CONFIG, &process_config);
ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, knownhosts_file);
names = ssh_known_hosts_get_algorithms_names(session);
assert_non_null(names);
assert_string_equal(names, expect);
SAFE_FREE(names);
ssh_free(session);
}
#ifndef _WIN32 /* There is no /dev/null on Windows */
static void torture_knownhosts_host_exists(void **state)
{
@ -510,6 +535,9 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_knownhosts_read_file,
setup_knownhosts_file_duplicate,
teardown_knownhosts_file),
cmocka_unit_test_setup_teardown(torture_knownhosts_get_algorithms_names,
setup_knownhosts_file,
teardown_knownhosts_file),
#ifndef _WIN32
cmocka_unit_test_setup_teardown(torture_knownhosts_host_exists,
setup_knownhosts_file,