538 строки
17 KiB
C
538 строки
17 KiB
C
#include "config.h"
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#define LIBSSH_STATIC
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "torture.h"
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#include "torture_key.h"
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#include "torture_pki.h"
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#include "pki.c"
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#define LIBSSH_ECDSA_TESTKEY "libssh_testkey.id_ecdsa"
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#define LIBSSH_ECDSA_TESTKEY_PASSPHRASE "libssh_testkey_passphrase.id_ecdsa"
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const unsigned char ECDSA_HASH[] = "12345678901234567890";
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static int setup_ecdsa_key(void **state, int ecdsa_bits)
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{
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(void) state; /* unused */
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unlink(LIBSSH_ECDSA_TESTKEY);
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unlink(LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
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unlink(LIBSSH_ECDSA_TESTKEY ".pub");
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torture_write_file(LIBSSH_ECDSA_TESTKEY,
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torture_get_testkey(SSH_KEYTYPE_ECDSA, ecdsa_bits, 0));
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torture_write_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
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torture_get_testkey(SSH_KEYTYPE_ECDSA, ecdsa_bits, 0));
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torture_write_file(LIBSSH_ECDSA_TESTKEY ".pub",
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torture_get_testkey_pub(SSH_KEYTYPE_ECDSA, ecdsa_bits));
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return 0;
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}
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static int setup_ecdsa_key_521(void **state)
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{
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setup_ecdsa_key(state, 521);
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return 0;
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}
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static int setup_ecdsa_key_384(void **state)
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{
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setup_ecdsa_key(state, 384);
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return 0;
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}
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static int setup_ecdsa_key_256(void **state)
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{
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setup_ecdsa_key(state, 256);
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return 0;
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}
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static int teardown(void **state)
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{
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(void) state; /* unused */
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unlink(LIBSSH_ECDSA_TESTKEY);
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unlink(LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
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unlink(LIBSSH_ECDSA_TESTKEY ".pub");
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return 0;
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}
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static void torture_pki_ecdsa_import_privkey_base64(void **state)
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{
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int rc;
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char *key_str;
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ssh_key key;
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const char *passphrase = torture_get_testkey_passphrase();
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(void) state; /* unused */
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key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
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assert_true(key_str != NULL);
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rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
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assert_true(rc == 0);
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rc = ssh_key_is_private(key);
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assert_true(rc == 1);
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free(key_str);
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ssh_key_free(key);
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}
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static void torture_pki_ecdsa_publickey_from_privatekey(void **state)
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{
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int rc;
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char *key_str;
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ssh_key key;
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ssh_key pubkey;
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const char *passphrase = NULL;
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(void) state; /* unused */
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key_str = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY);
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assert_true(key_str != NULL);
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rc = ssh_pki_import_privkey_base64(key_str, passphrase, NULL, NULL, &key);
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assert_true(rc == 0);
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rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
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assert_true(rc == SSH_OK);
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free(key_str);
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ssh_key_free(key);
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ssh_key_free(pubkey);
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}
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static void torture_pki_ecdsa_publickey_base64(void **state)
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{
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enum ssh_keytypes_e type;
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char *b64_key, *key_buf, *p;
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const char *q;
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ssh_key key;
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int rc;
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(void) state; /* unused */
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key_buf = torture_pki_read_file(LIBSSH_ECDSA_TESTKEY ".pub");
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assert_true(key_buf != NULL);
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q = p = key_buf;
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while (*p != ' ') p++;
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*p = '\0';
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type = ssh_key_type_from_name(q);
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assert_true(type == SSH_KEYTYPE_ECDSA);
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q = ++p;
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while (*p != ' ') p++;
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*p = '\0';
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rc = ssh_pki_import_pubkey_base64(q, type, &key);
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assert_true(rc == 0);
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rc = ssh_pki_export_pubkey_base64(key, &b64_key);
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assert_true(rc == 0);
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assert_string_equal(q, b64_key);
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free(b64_key);
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free(key_buf);
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ssh_key_free(key);
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}
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static void torture_pki_ecdsa_generate_pubkey_from_privkey(void **state)
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{
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char pubkey_original[4096] = {0};
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char pubkey_generated[4096] = {0};
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ssh_key privkey;
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ssh_key pubkey;
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int rc;
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int len;
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(void) state; /* unused */
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rc = torture_read_one_line(LIBSSH_ECDSA_TESTKEY ".pub",
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pubkey_original,
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sizeof(pubkey_original));
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assert_true(rc == 0);
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/* remove the public key, generate it from the private key and write it. */
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unlink(LIBSSH_ECDSA_TESTKEY ".pub");
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
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NULL,
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NULL,
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NULL,
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&privkey);
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assert_true(rc == 0);
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rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey);
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assert_true(rc == SSH_OK);
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rc = ssh_pki_export_pubkey_file(pubkey, LIBSSH_ECDSA_TESTKEY ".pub");
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assert_true(rc == 0);
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rc = torture_read_one_line(LIBSSH_ECDSA_TESTKEY ".pub",
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pubkey_generated,
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sizeof(pubkey_generated));
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assert_true(rc == 0);
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len = torture_pubkey_len(pubkey_original);
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assert_int_equal(strncmp(pubkey_original, pubkey_generated, len), 0);
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ssh_key_free(privkey);
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ssh_key_free(pubkey);
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}
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static void torture_pki_ecdsa_duplicate_key(void **state)
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{
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int rc;
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char *b64_key;
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char *b64_key_gen;
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ssh_key pubkey;
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ssh_key privkey;
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ssh_key privkey_dup;
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(void) state;
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rc = ssh_pki_import_pubkey_file(LIBSSH_ECDSA_TESTKEY ".pub", &pubkey);
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assert_true(rc == 0);
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rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key);
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assert_true(rc == 0);
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ssh_key_free(pubkey);
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
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NULL,
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NULL,
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NULL,
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&privkey);
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assert_true(rc == 0);
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privkey_dup = ssh_key_dup(privkey);
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assert_non_null(privkey_dup);
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rc = ssh_pki_export_privkey_to_pubkey(privkey, &pubkey);
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assert_true(rc == SSH_OK);
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assert_non_null(pubkey);
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rc = ssh_pki_export_pubkey_base64(pubkey, &b64_key_gen);
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assert_true(rc == 0);
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assert_non_null(b64_key_gen);
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assert_string_equal(b64_key, b64_key_gen);
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rc = ssh_key_cmp(privkey, privkey_dup, SSH_KEY_CMP_PRIVATE);
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assert_true(rc == 0);
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ssh_key_free(pubkey);
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ssh_key_free(privkey);
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ssh_key_free(privkey_dup);
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ssh_string_free_char(b64_key);
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ssh_string_free_char(b64_key_gen);
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}
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/* Test case for bug #147: Private ECDSA key duplication did not carry
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* over parts of the key that then caused subsequent key demotion to
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* fail.
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*/
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static void torture_pki_ecdsa_duplicate_then_demote(void **state)
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{
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ssh_key pubkey;
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ssh_key privkey;
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ssh_key privkey_dup;
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int rc;
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(void) state;
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
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NULL,
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NULL,
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NULL,
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&privkey);
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assert_true(rc == 0);
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privkey_dup = ssh_key_dup(privkey);
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assert_true(privkey_dup != NULL);
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assert_int_equal(privkey->ecdsa_nid, privkey_dup->ecdsa_nid);
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rc = ssh_pki_export_privkey_to_pubkey(privkey_dup, &pubkey);
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assert_true(rc == 0);
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assert_int_equal(pubkey->ecdsa_nid, privkey->ecdsa_nid);
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ssh_key_free(pubkey);
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ssh_key_free(privkey);
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ssh_key_free(privkey_dup);
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}
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static void torture_pki_generate_key_ecdsa(void **state)
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{
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int rc;
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ssh_key key;
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ssh_signature sign;
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enum ssh_keytypes_e type = SSH_KEYTYPE_UNKNOWN;
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const char *type_char = NULL;
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const char *etype_char = NULL;
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ssh_session session=ssh_new();
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(void) state;
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rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 256, &key);
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assert_true(rc == SSH_OK);
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assert_true(key != NULL);
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sign = pki_do_sign(key, ECDSA_HASH, 20);
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assert_true(sign != NULL);
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rc = pki_signature_verify(session,sign,key,ECDSA_HASH,20);
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assert_true(rc == SSH_OK);
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type = ssh_key_type(key);
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assert_true(type == SSH_KEYTYPE_ECDSA);
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type_char = ssh_key_type_to_char(type);
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assert_true(strcmp(type_char, "ssh-ecdsa") == 0);
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etype_char = ssh_pki_key_ecdsa_name(key);
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assert_true(strcmp(etype_char, "ecdsa-sha2-nistp256") == 0);
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ssh_signature_free(sign);
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ssh_key_free(key);
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key=NULL;
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rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 384, &key);
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assert_true(rc == SSH_OK);
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assert_true(key != NULL);
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sign = pki_do_sign(key, ECDSA_HASH, 20);
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assert_true(sign != NULL);
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rc = pki_signature_verify(session,sign,key,ECDSA_HASH,20);
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assert_true(rc == SSH_OK);
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type = ssh_key_type(key);
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assert_true(type == SSH_KEYTYPE_ECDSA);
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type_char = ssh_key_type_to_char(type);
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assert_true(strcmp(type_char, "ssh-ecdsa") == 0);
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etype_char =ssh_pki_key_ecdsa_name(key);
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assert_true(strcmp(etype_char, "ecdsa-sha2-nistp384") == 0);
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ssh_signature_free(sign);
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ssh_key_free(key);
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key=NULL;
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rc = ssh_pki_generate(SSH_KEYTYPE_ECDSA, 512, &key);
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assert_true(rc == SSH_OK);
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assert_true(key != NULL);
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sign = pki_do_sign(key, ECDSA_HASH, 20);
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assert_true(sign != NULL);
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rc = pki_signature_verify(session,sign,key,ECDSA_HASH,20);
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assert_true(rc == SSH_OK);
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type = ssh_key_type(key);
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assert_true(type == SSH_KEYTYPE_ECDSA);
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type_char = ssh_key_type_to_char(type);
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assert_true(strcmp(type_char, "ssh-ecdsa") == 0);
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etype_char =ssh_pki_key_ecdsa_name(key);
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assert_true(strcmp(etype_char, "ecdsa-sha2-nistp521") == 0);
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ssh_signature_free(sign);
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ssh_key_free(key);
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key=NULL;
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ssh_free(session);
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}
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#ifdef HAVE_LIBCRYPTO
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static void torture_pki_ecdsa_write_privkey(void **state)
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{
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ssh_key origkey;
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ssh_key privkey;
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int rc;
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(void) state; /* unused */
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
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NULL,
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NULL,
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NULL,
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&origkey);
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assert_true(rc == 0);
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unlink(LIBSSH_ECDSA_TESTKEY);
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rc = ssh_pki_export_privkey_file(origkey,
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NULL,
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NULL,
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NULL,
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LIBSSH_ECDSA_TESTKEY);
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assert_true(rc == 0);
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY,
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NULL,
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NULL,
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NULL,
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&privkey);
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assert_true(rc == 0);
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rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
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assert_true(rc == 0);
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ssh_key_free(origkey);
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ssh_key_free(privkey);
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/* Test with passphrase */
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
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torture_get_testkey_passphrase(),
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NULL,
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NULL,
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&origkey);
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assert_true(rc == 0);
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unlink(LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
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rc = ssh_pki_export_privkey_file(origkey,
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torture_get_testkey_passphrase(),
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NULL,
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NULL,
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LIBSSH_ECDSA_TESTKEY_PASSPHRASE);
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assert_true(rc == 0);
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/* Test with invalid passphrase */
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
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"invalid secret",
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NULL,
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NULL,
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&privkey);
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assert_true(rc == SSH_ERROR);
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY_PASSPHRASE,
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torture_get_testkey_passphrase(),
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NULL,
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NULL,
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&privkey);
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assert_true(rc == 0);
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rc = ssh_key_cmp(origkey, privkey, SSH_KEY_CMP_PRIVATE);
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assert_true(rc == 0);
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ssh_key_free(origkey);
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ssh_key_free(privkey);
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}
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#endif /* HAVE_LIBCRYPTO */
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static void torture_pki_ecdsa_name(void **state, const char *expected_name)
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{
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int rc;
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ssh_key key;
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const char *etype_char = NULL;
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(void) state; /* unused */
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rc = ssh_pki_import_privkey_file(LIBSSH_ECDSA_TESTKEY, NULL, NULL, NULL, &key);
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assert_true(rc == 0);
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etype_char =ssh_pki_key_ecdsa_name(key);
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assert_true(strcmp(etype_char, expected_name) == 0);
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ssh_key_free(key);
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}
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static void torture_pki_ecdsa_name256(void **state)
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{
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torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp256");
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}
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static void torture_pki_ecdsa_name384(void **state)
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{
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torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp384");
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}
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static void torture_pki_ecdsa_name521(void **state)
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{
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torture_pki_ecdsa_name(state, "ecdsa-sha2-nistp521");
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}
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int torture_run_tests(void) {
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int rc;
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struct CMUnitTest tests[] = {
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
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setup_ecdsa_key_256,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
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setup_ecdsa_key_384,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_import_privkey_base64,
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setup_ecdsa_key_521,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
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setup_ecdsa_key_256,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
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setup_ecdsa_key_384,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_from_privatekey,
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setup_ecdsa_key_521,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
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setup_ecdsa_key_256,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
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setup_ecdsa_key_384,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_then_demote,
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setup_ecdsa_key_521,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
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setup_ecdsa_key_256,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
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setup_ecdsa_key_384,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_publickey_base64,
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setup_ecdsa_key_521,
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teardown),
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cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
|
|
setup_ecdsa_key_256,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
|
|
setup_ecdsa_key_384,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_generate_pubkey_from_privkey,
|
|
setup_ecdsa_key_521,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
|
|
setup_ecdsa_key_256,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
|
|
setup_ecdsa_key_384,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_duplicate_key,
|
|
setup_ecdsa_key_521,
|
|
teardown),
|
|
cmocka_unit_test(torture_pki_generate_key_ecdsa),
|
|
#ifdef HAVE_LIBCRYPTO
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
|
|
setup_ecdsa_key_256,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
|
|
setup_ecdsa_key_384,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_write_privkey,
|
|
setup_ecdsa_key_521,
|
|
teardown),
|
|
#endif /* HAVE_LIBCRYPTO */
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name256,
|
|
setup_ecdsa_key_256,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name384,
|
|
setup_ecdsa_key_384,
|
|
teardown),
|
|
cmocka_unit_test_setup_teardown(torture_pki_ecdsa_name521,
|
|
setup_ecdsa_key_521,
|
|
teardown),
|
|
};
|
|
|
|
ssh_init();
|
|
torture_filter_tests(tests);
|
|
rc = cmocka_run_group_tests(tests, NULL, NULL);
|
|
ssh_finalize();
|
|
return rc;
|
|
}
|