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libssh/tests/unittests/torture_pki.c
2011-08-19 11:14:06 +02:00

456 строки
12 KiB
C

#define LIBSSH_STATIC
#include "torture.h"
#include "pki.c"
#include <sys/stat.h>
#include <fcntl.h>
#define LIBSSH_RSA_TESTKEY "libssh_testkey.id_rsa"
#define LIBSSH_DSA_TESTKEY "libssh_testkey.id_dsa"
#define LIBSSH_PASSPHRASE "libssh-rocks"
static void setup_rsa_key(void **state) {
int rc;
(void) state; /* unused */
unlink(LIBSSH_RSA_TESTKEY);
unlink(LIBSSH_RSA_TESTKEY ".pub");
rc = system("ssh-keygen -t rsa -q -N \"\" -f " LIBSSH_RSA_TESTKEY);
assert_true(rc == 0);
}
static void setup_dsa_key(void **state) {
int rc;
(void) state; /* unused */
unlink(LIBSSH_DSA_TESTKEY);
unlink(LIBSSH_DSA_TESTKEY ".pub");
rc = system("ssh-keygen -t dsa -q -N \"\" -f " LIBSSH_DSA_TESTKEY);
assert_true(rc == 0);
}
static void setup_both_keys(void **state) {
(void) state; /* unused */
setup_rsa_key(state);
setup_dsa_key(state);
}
static void setup_both_keys_passphrase(void **state) {
int rc;
(void) state; /* unused */
rc = system("ssh-keygen -t rsa -q -N " LIBSSH_PASSPHRASE " -f " LIBSSH_RSA_TESTKEY);
assert_true(rc == 0);
rc = system("ssh-keygen -t dsa -q -N " LIBSSH_PASSPHRASE " -f " LIBSSH_DSA_TESTKEY);
assert_true(rc == 0);
}
static void teardown(void **state) {
unlink(LIBSSH_DSA_TESTKEY);
unlink(LIBSSH_DSA_TESTKEY ".pub");
unlink(LIBSSH_RSA_TESTKEY);
unlink(LIBSSH_RSA_TESTKEY ".pub");
ssh_free(*state);
}
static char *read_file(const char *filename) {
char *key;
int fd;
int size;
struct stat buf;
assert_true(filename != NULL);
assert_true(*filename != '\0');
stat(filename, &buf);
key = malloc(buf.st_size + 1);
assert_true(key != NULL);
fd = open(filename, O_RDONLY);
assert_true(fd >= 0);
size = read(fd, key, buf.st_size);
assert_true(size == buf.st_size);
close(fd);
key[size] = '\0';
return key;
}
static int torture_read_one_line(const char *filename, char *buffer, size_t len) {
FILE *fp;
size_t rc;
fp = fopen(filename, "r");
if (fp == NULL) {
return -1;
}
rc = fread(buffer, len, 1, fp);
if (rc != 0 || ferror(fp)) {
fclose(fp);
return -1;
}
fclose(fp);
return 0;
}
static void torture_pki_import_privkey_base64_RSA(void **state) {
int rc;
char *key_str;
ssh_key key;
const char *passphrase = LIBSSH_PASSPHRASE;
enum ssh_keytypes_e type;
(void) state; /* unused */
key_str = read_file(LIBSSH_RSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
type = ssh_key_type(key);
assert_true(type == SSH_KEYTYPE_RSA);
rc = ssh_key_is_public(key);
assert_true(rc == 1);
free(key_str);
ssh_key_free(key);
}
static void torture_pki_import_privkey_base64_NULL_key(void **state) {
int rc;
char *key_str;
ssh_key key;
const char *passphrase = LIBSSH_PASSPHRASE;
(void) state; /* unused */
key_str = read_file(LIBSSH_RSA_TESTKEY);
assert_true(key_str != NULL);
key = ssh_key_new();
assert_true(key != NULL);
/* test if it returns -1 if key is NULL */
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, NULL);
assert_true(rc == -1);
free(key_str);
ssh_key_free(key);
}
static void torture_pki_import_privkey_base64_NULL_str(void **state) {
int rc;
char *key_str;
ssh_key key = NULL;
const char *passphrase = LIBSSH_PASSPHRASE;
(void) state; /* unused */
key_str = read_file(LIBSSH_RSA_TESTKEY);
assert_true(key_str != NULL);
/* test if it returns -1 if key_str is NULL */
rc = ssh_pki_import_privkey_base64(NULL, passphrase, NULL, NULL, &key);
assert_true(rc == -1);
free(key_str);
ssh_key_free(key);
}
static void torture_pki_import_privkey_base64_DSA(void **state) {
int rc;
char *key_str;
ssh_key key;
const char *passphrase = LIBSSH_PASSPHRASE;
(void) state; /* unused */
key_str = read_file(LIBSSH_DSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
free(key_str);
ssh_key_free(key);
}
static void torture_pki_import_privkey_base64_passphrase(void **state) {
int rc;
char *key_str;
ssh_key key = NULL;
const char *passphrase = LIBSSH_PASSPHRASE;
(void) state; /* unused */
key_str = read_file(LIBSSH_RSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
ssh_key_free(key);
/* test if it returns -1 if passphrase is wrong */
rc = ssh_pki_import_privkey_base64(key_str, "wrong passphrase !!", NULL,
NULL, &key);
assert_true(rc == -1);
#ifndef HAVE_LIBCRYPTO
/* test if it returns -1 if passphrase is NULL */
/* libcrypto asks for a passphrase, so skip this test */
rc = ssh_pki_import_privkey_base64(key_str, NULL, NULL, NULL, &key);
assert_true(rc == -1);
#endif
free(key_str);
/* same for DSA */
key_str = read_file(LIBSSH_DSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
ssh_key_free(key);
/* test if it returns -1 if passphrase is wrong */
rc = ssh_pki_import_privkey_base64(key_str, "wrong passphrase !!", NULL, NULL, &key);
assert_true(rc == -1);
#ifndef HAVE_LIBCRYPTO
/* test if it returns -1 if passphrase is NULL */
/* libcrypto asks for a passphrase, so skip this test */
rc = ssh_pki_import_privkey_base64(key_str, NULL, NULL, NULL, &key);
assert_true(rc == -1);
#endif
free(key_str);
}
static void torture_pki_pki_publickey_from_privatekey_RSA(void **state) {
int rc;
char *key_str;
ssh_key key;
ssh_key pubkey;
const char *passphrase = NULL;
(void) state; /* unused */
key_str = read_file(LIBSSH_RSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
pubkey = ssh_pki_publickey_from_privatekey(key);
assert_true(pubkey != NULL);
free(key_str);
ssh_key_free(key);
ssh_key_free(pubkey);
}
static void torture_pki_pki_publickey_from_privatekey_DSA(void **state) {
int rc;
char *key_str;
ssh_key key;
ssh_key pubkey;
const char *passphrase = NULL;
(void) state; /* unused */
key_str = read_file(LIBSSH_DSA_TESTKEY);
assert_true(key_str != NULL);
rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
assert_true(rc == 0);
pubkey = ssh_pki_publickey_from_privatekey(key);
assert_true(pubkey != NULL);
free(key_str);
ssh_key_free(key);
ssh_key_free(pubkey);
}
static void torture_pki_publickey_dsa_base64(void **state)
{
enum ssh_keytypes_e type;
char *b64_key, *key_buf, *p;
const char *q;
ssh_key key;
int rc;
(void) state; /* unused */
key_buf = read_file(LIBSSH_DSA_TESTKEY ".pub");
assert_true(key_buf != NULL);
q = p = key_buf;
while (*p != ' ') p++;
*p = '\0';
type = ssh_key_type_from_name(q);
assert_true(type == SSH_KEYTYPE_DSS);
q = ++p;
while (*p != ' ') p++;
*p = '\0';
rc = ssh_pki_import_pubkey_base64(q, type, &key);
assert_true(rc == 0);
rc = ssh_pki_export_publickey_base64(key, &b64_key);
assert_true(rc == 0);
assert_string_equal(q, b64_key);
free(b64_key);
free(key_buf);
ssh_key_free(key);
}
static void torture_pki_publickey_rsa_base64(void **state)
{
enum ssh_keytypes_e type;
char *b64_key, *key_buf, *p;
const char *q;
ssh_key key;
int rc;
(void) state; /* unused */
key_buf = read_file(LIBSSH_RSA_TESTKEY ".pub");
assert_true(key_buf != NULL);
q = p = key_buf;
while (*p != ' ') p++;
*p = '\0';
type = ssh_key_type_from_name(q);
assert_true(((type == SSH_KEYTYPE_RSA) ||
(type == SSH_KEYTYPE_RSA1)));
q = ++p;
while (*p != ' ') p++;
*p = '\0';
rc = ssh_pki_import_pubkey_base64(q, type, &key);
assert_true(rc == 0);
rc = ssh_pki_export_publickey_base64(key, &b64_key);
assert_true(rc == 0);
assert_string_equal(q, b64_key);
free(b64_key);
free(key_buf);
ssh_key_free(key);
}
static void torture_generate_pubkey_from_privkey(void **state) {
char pubkey_original[4096] = {0};
char pubkey_generated[4096] = {0};
ssh_key privkey;
ssh_key pubkey;
int rc;
(void) state; /* unused */
rc = torture_read_one_line(LIBSSH_DSA_TESTKEY ".pub",
pubkey_original,
sizeof(pubkey_original));
assert_true(rc == 0);
/* remove the public key, generate it from the private key and write it. */
unlink(LIBSSH_RSA_TESTKEY ".pub");
rc = ssh_pki_import_privkey_file(LIBSSH_DSA_TESTKEY,
NULL,
NULL,
NULL,
&privkey);
assert_true(rc == 0);
pubkey = ssh_pki_publickey_from_privatekey(privkey);
assert_true(pubkey != NULL);
rc = ssh_pki_export_publickey_file(pubkey, LIBSSH_DSA_TESTKEY ".pub");
assert_true(rc == 0);
rc = torture_read_one_line(LIBSSH_DSA_TESTKEY ".pub",
pubkey_generated,
sizeof(pubkey_generated));
assert_true(rc == 0);
assert_string_equal(pubkey_original, pubkey_generated);
ssh_key_free(privkey);
ssh_key_free(pubkey);
}
int torture_run_tests(void) {
int rc;
const UnitTest tests[] = {
/* ssh_pki_import_privkey_base64 */
unit_test_setup_teardown(torture_pki_import_privkey_base64_NULL_key,
setup_rsa_key,
teardown),
unit_test_setup_teardown(torture_pki_import_privkey_base64_NULL_str,
setup_rsa_key,
teardown),
unit_test_setup_teardown(torture_pki_import_privkey_base64_RSA,
setup_rsa_key,
teardown),
unit_test_setup_teardown(torture_pki_import_privkey_base64_DSA,
setup_dsa_key,
teardown),
unit_test_setup_teardown(torture_pki_import_privkey_base64_passphrase,
setup_both_keys_passphrase,
teardown),
/* ssh_pki_publickey_from_privatekey */
unit_test_setup_teardown(torture_pki_pki_publickey_from_privatekey_RSA,
setup_rsa_key,
teardown),
unit_test_setup_teardown(torture_pki_pki_publickey_from_privatekey_DSA,
setup_dsa_key,
teardown),
/* public key */
unit_test_setup_teardown(torture_pki_publickey_dsa_base64,
setup_dsa_key,
teardown),
unit_test_setup_teardown(torture_pki_publickey_rsa_base64,
setup_rsa_key,
teardown),
unit_test_setup_teardown(torture_generate_pubkey_from_privkey,
setup_dsa_key,
teardown),
};
(void)setup_both_keys;
ssh_init();
rc=run_tests(tests);
ssh_finalize();
return rc;
}