File: torture_unit_server.c

package info (click to toggle)
libssh 0.11.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 6,460 kB
  • sloc: ansic: 100,303; cpp: 421; sh: 186; makefile: 25; javascript: 20; python: 9
file content (195 lines) | stat: -rw-r--r-- 4,637 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
#include "config.h"

#define LIBSSH_STATIC

#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>

#include <libssh/libssh.h>
#include <libssh/bind.h>
#include "torture.h"
#include "torture_key.h"

#define TEST_SERVER_PORT 2222

#if 0
struct test_state {
    const char *hostkey;
    char *hostkey_path;
    enum ssh_keytypes_e key_type;
    int fd;
};

static int setup(void **state)
{
    struct test_state *ts = NULL;
    mode_t mask;
    int rc;

    ssh_threads_set_callbacks(ssh_threads_get_pthread());
    rc = ssh_init();
    if (rc != SSH_OK) {
        return -1;
    }

    ts = malloc(sizeof(struct test_state));
    assert_non_null(ts);

    ts->hostkey_path = strdup("/tmp/libssh_hostkey_XXXXXX");

    mask = umask(S_IRWXO | S_IRWXG);
    ts->fd = mkstemp(ts->hostkey_path);
    umask(mask);
    assert_return_code(ts->fd, errno);
    close(ts->fd);

    ts->key_type = SSH_KEYTYPE_ECDSA_P256;
    ts->hostkey = torture_get_testkey(ts->key_type, 0);

    torture_write_file(ts->hostkey_path, ts->hostkey);

    *state = ts;

    return 0;
}

static int teardown(void **state)
{
    struct test_state *ts = (struct test_state *)*state;

    unlink(ts->hostkey);
    free(ts->hostkey_path);
    free(ts);

    ssh_finalize();

    return 0;
}

/* TODO the signals are handled by cmocka so they are not testable her :( */
static void *int_thread(void *arg)
{
    usleep(1);
    kill(getpid(), SIGUSR1);
    return NULL;
}

static void *client_thread(void *arg)
{
    unsigned int test_port = TEST_SERVER_PORT;
    int rc;
    ssh_session session;
    ssh_channel channel;

    /* unused */
    (void)arg;

    usleep(200);
    session = torture_ssh_session(NULL, "localhost",
                                  &test_port,
                                  "foo", "bar");
    assert_non_null(session);

    channel = ssh_channel_new(session);
    assert_non_null(channel);

    rc = ssh_channel_open_session(channel);
    assert_int_equal(rc, SSH_OK);

    ssh_free(session);
    return NULL;
}

static void test_ssh_accept_interrupt(void **state)
{
    struct test_state *ts = (struct test_state *)*state;
    int rc;
    pthread_t client_pthread, interrupt_pthread;
    ssh_bind sshbind = NULL;
    ssh_session server;

    /* Create server */
    sshbind = torture_ssh_bind("localhost",
                               TEST_SERVER_PORT,
                               ts->key_type,
                               ts->hostkey_path);
    assert_non_null(sshbind);

    server = ssh_new();
    assert_non_null(server);

    /* Send interrupt in 1 second */
    rc = pthread_create(&interrupt_pthread, NULL, int_thread, NULL);
    assert_return_code(rc, errno);

    rc = pthread_join(interrupt_pthread, NULL);
    assert_int_equal(rc, 0);

    rc = ssh_bind_accept(sshbind, server);
    assert_int_equal(rc, SSH_ERROR);
    assert_int_equal(ssh_get_error_code(sshbind), SSH_EINTR);

    /* Get client to connect now */
    rc = pthread_create(&client_pthread, NULL, client_thread, NULL);
    assert_return_code(rc, errno);

    /* Now, try again */
    rc = ssh_bind_accept(sshbind, server);
    assert_int_equal(rc, SSH_OK);

    /* Cleanup */
    ssh_bind_free(sshbind);

    rc = pthread_join(client_pthread, NULL);
    assert_int_equal(rc, 0);
}
#endif


static void test_default_hostkey_paths(void **state)
{
    int rc;
    ssh_bind sshbind = NULL;

    /* state not used */
    (void)state;

    /* Create server */
    rc = ssh_init();
    assert_int_equal(rc, 0);

    sshbind = ssh_bind_new();
    assert_non_null(sshbind);

    /* This will fail because we don't have permission to import keys unless we run as root
     * TODO: Implement some filesystem wrapper, that would allow this check to pass by
     * reading the keys from some accessible test location */
    ssh_bind_listen(sshbind);

    assert_string_equal(sshbind->rsakey, "/etc/ssh/ssh_host_rsa_key");
    assert_string_equal(sshbind->ecdsakey, "/etc/ssh/ssh_host_ecdsa_key");
    assert_string_equal(sshbind->ed25519key, "/etc/ssh/ssh_host_ed25519_key");

    /* Cleanup */
    ssh_bind_free(sshbind);
    ssh_finalize();
}

int torture_run_tests(void)
{
    int rc;
    const struct CMUnitTest tests[] = {
        cmocka_unit_test(test_default_hostkey_paths),
        /* Not working correctly the signals are not testable under cmocka
        cmocka_unit_test_setup_teardown(test_ssh_accept_interrupt,
                                        setup,
                                        teardown) */
    };

    rc = cmocka_run_group_tests(tests, NULL, NULL);
    return rc;
}