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tests: Add knownhosts test for detecting conflics

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-07-03 10:24:32 +02:00
parent 2d90bc9d6b
commit 83a46c7756
1 changed files with 70 additions and 0 deletions
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70
tests/client/torture_knownhosts_verify.c
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@@ -33,6 +33,8 @@
#define TORTURE_KNOWN_HOSTS_FILE "libssh_torture_knownhosts" #define TORTURE_KNOWN_HOSTS_FILE "libssh_torture_knownhosts"
#define BAD_ED25519 "AAAAC3NzaC1lZDI1NTE5AAAAIE74wHmKKkrxpW/dZ69pKPlMoWG9VvWfrNnUkWRQqaDa"
static int sshd_group_setup(void **state) static int sshd_group_setup(void **state)
{ {
torture_setup_sshd_server(state); torture_setup_sshd_server(state);
@@ -283,6 +285,71 @@ static void torture_knownhosts_unknown(void **state)
/* session will be freed by session_teardown() */ /* session will be freed by session_teardown() */
} }
static void torture_knownhosts_conflict(void **state)
{
struct torture_state *s = *state;
ssh_session session = s->ssh.session;
char known_hosts_file[1024] = {0};
enum ssh_known_hosts_e found;
FILE *file = NULL;
int rc;
snprintf(known_hosts_file,
sizeof(known_hosts_file),
"%s/%s",
s->socket_dir,
TORTURE_KNOWN_HOSTS_FILE);
file = fopen(known_hosts_file, "w");
assert_non_null(file);
fprintf(file,
"127.0.0.10 %s %s\n",
"ssh-ed25519",
BAD_ED25519);
fclose(file);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, known_hosts_file);
assert_ssh_return_code(session, rc);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-ed25519");
assert_ssh_return_code(session, rc);
rc = ssh_connect(session);
assert_ssh_return_code(session, rc);
found = ssh_session_is_known_server(session);
assert_int_equal(found, SSH_KNOWN_HOSTS_CHANGED);
rc = ssh_session_update_known_hosts(session);
assert_ssh_return_code(session, rc);
ssh_disconnect(session);
ssh_free(session);
/* connect again and check host key */
session = ssh_new();
assert_non_null(session);
s->ssh.session = session;
rc = ssh_options_set(session, SSH_OPTIONS_HOST, TORTURE_SSH_SERVER);
assert_ssh_return_code(session, rc);
rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, known_hosts_file);
assert_ssh_return_code(session, rc);
rc = ssh_options_set(session, SSH_OPTIONS_HOSTKEYS, "ssh-ed25519");
assert_ssh_return_code(session, rc);
rc = ssh_connect(session);
assert_ssh_return_code(session, rc);
found = ssh_session_is_known_server(session);
assert_int_equal(found, SSH_KNOWN_HOSTS_OK);
/* session will be freed by session_teardown() */
}
int torture_run_tests(void) { int torture_run_tests(void) {
int rc; int rc;
struct CMUnitTest tests[] = { struct CMUnitTest tests[] = {
@@ -301,6 +368,9 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_knownhosts_unknown, cmocka_unit_test_setup_teardown(torture_knownhosts_unknown,
session_setup, session_setup,
session_teardown), session_teardown),
cmocka_unit_test_setup_teardown(torture_knownhosts_conflict,
session_setup,
session_teardown),
}; };
ssh_init(); ssh_init();