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tests: Add test with dss known_hosts file

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We should not end up with an infinite loop here.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
This commit is contained in:
Andreas Schneider
2022-09-05 13:30:55 +02:00
parent 3e4c2205c5
commit accbc91a86
1 changed files with 63 additions and 0 deletions
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63
tests/unittests/torture_knownhosts_parsing.c
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@ -17,6 +17,7 @@
#endif
#endif
#define LOCALHOST_DSS_LINE "localhost,127.0.0.1 ssh-dss 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"
#define LOCALHOST_RSA_LINE "localhost,127.0.0.1 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDD7g+vV5cvxxGN0Ldmda4WZCPgRaxV1tV+1KRZoGUNUI61h0X4bmmGaAPRQBCz4G1d9bawqDqEqnpFWazrxBU5cQtISSjzuDJKovLGliky/ShTszee1Thszg3qVNk9gGOWj7jn/HDaOxRlp003Bp47MOdnMnK/oftllFDfY2fF5IRpE6sSIGtg2ZDtF95TV5/9W2oMOIAy8u/83tuibYlNPa1X/von5LgdaPLn6Bk16bQKIhAhlMtFZH8MBYEWe4ZtOGaSWKOsK9MM/RTMlwPi6PkfoHNl4MCMupjx+CdLXwbQEt9Ww+bBIaCui2VWBEiruVbIgJh0W2Tal0e2BzYZ What a Wurst!"
#define LOCALHOST_ECDSA_SHA1_NISTP256_LINE "localhost ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFWmI0n0Tn5+zR7pPGcKYszRbJ/T0T3QfzRBSMMiyebGKRY8tjkU5h2l/UMugzOrOyWqMGQDgQn+a0aMunhKMg0="
#define LOCALHOST_DEFAULT_ED25519 "localhost ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA7M22fXD7OiS7kGMXP+OoIjCa+J+5sq8SgAZfIOmDgM"
@ -144,6 +145,38 @@ close_fp:
return rc;
}
#ifndef HAVE_DSA
static int setup_knownhosts_file_unsupported_type(void **state)
{
char *tmp_file = NULL;
size_t nwritten;
FILE *fp = NULL;
int rc = 0;
tmp_file = torture_create_temp_file(TMP_FILE_NAME);
assert_non_null(tmp_file);
*state = tmp_file;
fp = fopen(tmp_file, "w");
assert_non_null(fp);
nwritten = fwrite(LOCALHOST_DSS_LINE,
sizeof(char),
strlen(LOCALHOST_DSS_LINE),
fp);
if (nwritten != strlen(LOCALHOST_DSS_LINE)) {
rc = -1;
goto close_fp;
}
close_fp:
fclose(fp);
return rc;
}
#endif
static int teardown_knownhosts_file(void **state)
{
char *tmp_file = *state;
@ -396,6 +429,31 @@ static void torture_knownhosts_get_algorithms_names(void **state)
ssh_free(session);
}
#ifndef HAVE_DSA
/* Do not remove this test if we completly remove DSA support! */
static void torture_knownhosts_get_algorithms_names_unsupported(void **state)
{
const char *knownhosts_file = *state;
ssh_session session;
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_null(names);
ssh_free(session);
}
#endif
static void torture_knownhosts_algorithms_wanted(void **state)
{
const char *knownhosts_file = *state;
@ -660,6 +718,11 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_knownhosts_get_algorithms_names,
setup_knownhosts_file,
teardown_knownhosts_file),
#ifndef HAVE_DSA
cmocka_unit_test_setup_teardown(torture_knownhosts_get_algorithms_names_unsupported,
setup_knownhosts_file_unsupported_type,
teardown_knownhosts_file),
#endif
cmocka_unit_test_setup_teardown(torture_knownhosts_algorithms_wanted,
setup_knownhosts_file,
teardown_knownhosts_file),