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tests: Test proxyjump configuration parsing

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 82db6a7ab3)
This commit is contained in:
Jakub Jelen
2025-10-10 13:43:27 +02:00
parent e668b03dd7
commit 6230b24ff5
1 changed files with 121 additions and 0 deletions
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121
tests/unittests/torture_config.c
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@@ -54,6 +54,7 @@ extern LIBSSH_THREAD int ssh_log_level;
#define LIBSSH_TEST_RECURSIVE_INCLUDE "libssh_test_recursive_include.tmp"
#define LIBSSH_TESTCONFIG_MATCH_COMPLEX "libssh_test_match_complex.tmp"
#define LIBSSH_TESTCONFIG_LOGLEVEL_MISSING "libssh_test_loglevel_missing.tmp"
#define LIBSSH_TESTCONFIG_JUMP "libssh_test_jump.tmp"
#define LIBSSH_TESTCONFIG_STRING1 \
"User "USERNAME"\nInclude "LIBSSH_TESTCONFIG2"\n\n"
@@ -245,6 +246,24 @@ extern LIBSSH_THREAD int ssh_log_level;
"\tHostName complex-match\n"
#define LIBSSH_TESTCONFIG_LOGLEVEL_MISSING_STRING "LogLevel\n"
#define LIBSSH_TESTCONFIG_JUMP_STRING \
"# The jump host\n" \
"Host ub-jumphost\n" \
" HostName 1xxxxxx\n" \
" User ubuntu\n" \
" IdentityFile ~/of/temp-libssh.pem\n" \
" Port 23\n" \
" LogLevel DEBUG3\n" \
"\n" \
"# Cisco Router through Jump Host\n" \
"Host cisco-router\n" \
" HostName xx.xxxxxxxxx\n" \
" User username\n" \
" ProxyJump ub-jumphost\n" \
" Port 5555\n" \
" #RequiredRSASize 512\n" \
" PasswordAuthentication yes\n" \
" LogLevel DEBUG3\n"
/**
* @brief helper function loading configuration from either file or string
@@ -297,6 +316,7 @@ static int setup_config_files(void **state)
unlink(LIBSSH_TEST_NONEWLINEONELINE);
unlink(LIBSSH_TESTCONFIG_MATCH_COMPLEX);
unlink(LIBSSH_TESTCONFIG_LOGLEVEL_MISSING);
unlink(LIBSSH_TESTCONFIG_JUMP);
torture_write_file(LIBSSH_TESTCONFIG1,
LIBSSH_TESTCONFIG_STRING1);
@@ -367,6 +387,8 @@ static int setup_config_files(void **state)
LIBSSH_TESTCONFIG_MATCH_COMPLEX_STRING);
torture_write_file(LIBSSH_TESTCONFIG_LOGLEVEL_MISSING,
LIBSSH_TESTCONFIG_LOGLEVEL_MISSING_STRING);
torture_write_file(LIBSSH_TESTCONFIG_JUMP,
LIBSSH_TESTCONFIG_JUMP_STRING);
return 0;
}
@@ -397,6 +419,7 @@ static int teardown_config_files(void **state)
unlink(LIBSSH_TEST_NONEWLINEONELINE);
unlink(LIBSSH_TESTCONFIG_MATCH_COMPLEX);
unlink(LIBSSH_TESTCONFIG_LOGLEVEL_MISSING);
unlink(LIBSSH_TESTCONFIG_JUMP);
return 0;
}
@@ -2635,6 +2658,101 @@ static void torture_config_loglevel_missing_value(void **state)
_parse_config(session, LIBSSH_TESTCONFIG_LOGLEVEL_MISSING, NULL, SSH_OK);
}
static int before_connection(ssh_session jump_session, void *user)
{
char *v = NULL;
int ret;
(void)user;
/* During the connection, we force parsing the same configuration file
* (would be normally parsed automatically during the connection itself)
*/
ret = ssh_config_parse_file(jump_session, LIBSSH_TESTCONFIG_JUMP);
assert_return_code(ret, errno);
/* Test the variable presence */
ret = ssh_options_get(jump_session, SSH_OPTIONS_HOST, &v);
assert_return_code(ret, errno);
assert_string_equal(v, "1xxxxxx");
ssh_string_free_char(v);
ret = ssh_options_get(jump_session, SSH_OPTIONS_USER, &v);
assert_return_code(ret, errno);
assert_string_equal(v, "ubuntu");
ssh_string_free_char(v);
assert_int_equal(jump_session->opts.port, 23);
/* Fail the connection -- we are in unit tests so it would fail anyway */
return 1;
}
static int verify_knownhost(ssh_session jump_session, void *user)
{
(void)jump_session;
(void)user;
return 0;
}
static int authenticate(ssh_session jump_session, void *user)
{
(void)jump_session;
(void)user;
return 0;
}
/* Reproducer for complex proxy jump
*/
static void torture_config_jump(void **state)
{
ssh_session session = *state;
struct ssh_jump_callbacks_struct c = {
.before_connection = before_connection,
.verify_knownhost = verify_knownhost,
.authenticate = authenticate,
};
char *v = NULL;
int ret;
ssh_options_set(session, SSH_OPTIONS_HOST, "cisco-router");
_parse_config(session, LIBSSH_TESTCONFIG_JUMP, NULL, SSH_OK);
/* Test the variable presence */
ret = ssh_options_get(session, SSH_OPTIONS_HOST, &v);
assert_return_code(ret, errno);
assert_string_equal(v, "xx.xxxxxxxxx");
ssh_string_free_char(v);
ret = ssh_options_get(session, SSH_OPTIONS_USER, &v);
assert_return_code(ret, errno);
assert_string_equal(v, "username");
ssh_string_free_char(v);
assert_int_equal(session->opts.port, 5555);
/* At this point, the configuration file is not parsed for the jump host so
* we are getting just the the hostname -- the port and username will get
* pulled during the session connecting to this host */
assert_int_equal(ssh_list_count(session->opts.proxy_jumps), 1);
helper_proxy_jump_check(session->opts.proxy_jumps->root,
"ub-jumphost",
NULL,
NULL);
/* Set up the callbacks -- they should verify we are going to connect to the
* right host */
ret = ssh_options_set(session, SSH_OPTIONS_PROXYJUMP_CB_LIST_APPEND, &c);
assert_ssh_return_code(session, ret);
ret = ssh_connect(session);
assert_ssh_return_code_equal(session, ret, SSH_ERROR);
printf("%s: EOF\n", __func__);
}
int torture_run_tests(void)
{
int rc;
@@ -2734,6 +2852,9 @@ int torture_run_tests(void)
cmocka_unit_test_setup_teardown(torture_config_loglevel_missing_value,
setup,
teardown),
cmocka_unit_test_setup_teardown(torture_config_jump,
setup,
teardown),
};