diff options
Diffstat (limited to 'ext/mysqlnd/mysqlnd_auth.c')
-rw-r--r-- | ext/mysqlnd/mysqlnd_auth.c | 293 |
1 files changed, 7 insertions, 286 deletions
diff --git a/ext/mysqlnd/mysqlnd_auth.c b/ext/mysqlnd/mysqlnd_auth.c index 66e93cf636..3ba447cfdf 100644 --- a/ext/mysqlnd/mysqlnd_auth.c +++ b/ext/mysqlnd/mysqlnd_auth.c @@ -89,7 +89,6 @@ mysqlnd_run_authentication( } } - { zend_uchar * switch_to_auth_protocol_data = NULL; size_t switch_to_auth_protocol_data_len = 0; @@ -114,11 +113,10 @@ mysqlnd_run_authentication( DBG_INF_FMT("salt(%d)=[%.*s]", plugin_data_len, plugin_data_len, plugin_data); /* The data should be allocated with malloc() */ if (auth_plugin) { - scrambled_data = auth_plugin->methods.get_auth_data( - NULL, &scrambled_data_len, conn, user, passwd, - passwd_len, plugin_data, plugin_data_len, - session_options, conn->protocol_frame_codec->data, - mysql_flags); + scrambled_data = + auth_plugin->methods.get_auth_data(NULL, &scrambled_data_len, conn, user, passwd, passwd_len, + plugin_data, plugin_data_len, session_options, + conn->protocol_frame_codec->data, mysql_flags); } if (conn->error_info->error_no) { @@ -129,7 +127,6 @@ mysqlnd_run_authentication( charset_no, first_call, requested_protocol, - auth_plugin, plugin_data, plugin_data_len, scrambled_data, scrambled_data_len, &switch_to_auth_protocol, &switch_to_auth_protocol_len, &switch_to_auth_protocol_data, &switch_to_auth_protocol_data_len @@ -251,9 +248,6 @@ mysqlnd_auth_handshake(MYSQLND_CONN_DATA * conn, unsigned int server_charset_no, zend_bool use_full_blown_auth_packet, const char * const auth_protocol, - struct st_mysqlnd_authentication_plugin * auth_plugin, - const zend_uchar * const orig_auth_plugin_data, - const size_t orig_auth_plugin_data_len, const zend_uchar * const auth_plugin_data, const size_t auth_plugin_data_len, char ** switch_to_auth_protocol, @@ -324,11 +318,6 @@ mysqlnd_auth_handshake(MYSQLND_CONN_DATA * conn, conn->charset = mysqlnd_find_charset_nr(auth_packet->charset_no); } - if (auth_plugin && auth_plugin->methods.handle_server_response) { - auth_plugin->methods.handle_server_response(auth_plugin, conn, - orig_auth_plugin_data, orig_auth_plugin_data_len, passwd, passwd_len); - } - if (FAIL == PACKET_READ(auth_resp_packet) || auth_resp_packet->response_code >= 0xFE) { if (auth_resp_packet->response_code == 0xFE) { /* old authentication with new server !*/ @@ -624,8 +613,7 @@ static struct st_mysqlnd_authentication_plugin mysqlnd_native_auth_plugin = } }, {/* methods */ - mysqlnd_native_auth_get_auth_data, - NULL + mysqlnd_native_auth_get_auth_data } }; @@ -674,8 +662,7 @@ static struct st_mysqlnd_authentication_plugin mysqlnd_pam_authentication_plugin } }, {/* methods */ - mysqlnd_pam_auth_get_auth_data, - NULL + mysqlnd_pam_auth_get_auth_data } }; @@ -859,283 +846,17 @@ static struct st_mysqlnd_authentication_plugin mysqlnd_sha256_authentication_plu } }, {/* methods */ - mysqlnd_sha256_auth_get_auth_data, - NULL + mysqlnd_sha256_auth_get_auth_data } }; #endif -/*************************************** CACHING SHA2 Password *******************************/ - -#undef L64 - -#include "ext/hash/php_hash.h" -#include "ext/hash/php_hash_sha.h" - -#define SHA256_LENGTH 32 - -/* {{{ php_mysqlnd_scramble_sha2 */ -void php_mysqlnd_scramble_sha2(zend_uchar * const buffer, const zend_uchar * const scramble, const zend_uchar * const password, const size_t password_len) -{ - PHP_SHA256_CTX context; - zend_uchar sha1[SHA256_LENGTH]; - zend_uchar sha2[SHA256_LENGTH]; - - /* Phase 1: hash password */ - PHP_SHA256Init(&context); - PHP_SHA256Update(&context, password, password_len); - PHP_SHA256Final(sha1, &context); - - /* Phase 2: hash sha1 */ - PHP_SHA256Init(&context); - PHP_SHA256Update(&context, (zend_uchar*)sha1, SHA256_LENGTH); - PHP_SHA256Final(sha2, &context); - - /* Phase 3: hash scramble + sha2 */ - PHP_SHA256Init(&context); - PHP_SHA256Update(&context, (zend_uchar*)sha2, SHA256_LENGTH); - PHP_SHA256Update(&context, scramble, SCRAMBLE_LENGTH); - PHP_SHA256Final(buffer, &context); - - /* let's crypt buffer now */ - php_mysqlnd_crypt(buffer, (const zend_uchar *)sha1, (const zend_uchar *)buffer, SHA256_LENGTH); -} -/* }}} */ - - -/* {{{ mysqlnd_native_auth_get_auth_data */ -static zend_uchar * -mysqlnd_caching_sha2_get_auth_data(struct st_mysqlnd_authentication_plugin * self, - size_t * auth_data_len, - MYSQLND_CONN_DATA * conn, const char * const user, const char * const passwd, - const size_t passwd_len, zend_uchar * auth_plugin_data, size_t auth_plugin_data_len, - const MYSQLND_SESSION_OPTIONS * const session_options, - const MYSQLND_PFC_DATA * const pfc_data, - zend_ulong mysql_flags - ) -{ - zend_uchar * ret = NULL; - DBG_ENTER("mysqlnd_caching_sha2_get_auth_data"); - DBG_INF_FMT("salt(%d)=[%.*s]", auth_plugin_data_len, auth_plugin_data_len, auth_plugin_data); - *auth_data_len = 0; - - DBG_INF("First auth step: send hashed password"); - /* copy scrambled pass*/ - if (passwd && passwd_len) { - ret = malloc(SHA256_LENGTH + 1); - *auth_data_len = SHA256_LENGTH; - php_mysqlnd_scramble_sha2((zend_uchar*)ret, auth_plugin_data, (zend_uchar*)passwd, passwd_len); - ret[SHA256_LENGTH] = '\0'; - DBG_INF_FMT("hash(%d)=[%.*s]", *auth_data_len, *auth_data_len, ret); - } - - DBG_RETURN(ret); -} -/* }}} */ - -#ifdef MYSQLND_HAVE_SSL -static RSA * -mysqlnd_caching_sha2_get_key(MYSQLND_CONN_DATA *conn) -{ - RSA * ret = NULL; - const MYSQLND_PFC_DATA * const pfc_data = conn->protocol_frame_codec->data; - const char * fname = (pfc_data->sha256_server_public_key && pfc_data->sha256_server_public_key[0] != '\0')? - pfc_data->sha256_server_public_key: - MYSQLND_G(sha256_server_public_key); - php_stream * stream; - DBG_ENTER("mysqlnd_cached_sha2_get_key"); - DBG_INF_FMT("options_s256_pk=[%s] MYSQLND_G(sha256_server_public_key)=[%s]", - pfc_data->sha256_server_public_key? pfc_data->sha256_server_public_key:"n/a", - MYSQLND_G(sha256_server_public_key)? MYSQLND_G(sha256_server_public_key):"n/a"); - if (!fname || fname[0] == '\0') { - MYSQLND_PACKET_CACHED_SHA2_RESULT *req_packet = NULL; - MYSQLND_PACKET_SHA256_PK_REQUEST_RESPONSE *pk_resp_packet = NULL; - - do { - DBG_INF("requesting the public key from the server"); - req_packet = conn->payload_decoder_factory->m.get_cached_sha2_result_packet(conn->payload_decoder_factory, FALSE); - pk_resp_packet = conn->payload_decoder_factory->m.get_sha256_pk_request_response_packet(conn->payload_decoder_factory, FALSE); - req_packet->request = 1; - - if (! PACKET_WRITE(req_packet)) { - DBG_ERR_FMT("Error while sending public key request packet"); - php_error(E_WARNING, "Error while sending public key request packet. PID=%d", getpid()); - SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT); - break; - } - if (FAIL == PACKET_READ(pk_resp_packet) || NULL == pk_resp_packet->public_key) { - DBG_ERR_FMT("Error while receiving public key"); - php_error(E_WARNING, "Error while receiving public key. PID=%d", getpid()); - SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT); - break; - } - DBG_INF_FMT("Public key(%d):\n%s", pk_resp_packet->public_key_len, pk_resp_packet->public_key); - /* now extract the public key */ - { - BIO * bio = BIO_new_mem_buf(pk_resp_packet->public_key, pk_resp_packet->public_key_len); - ret = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL); - BIO_free(bio); - } - } while (0); - PACKET_FREE(req_packet); - PACKET_FREE(pk_resp_packet); - - DBG_INF_FMT("ret=%p", ret); - DBG_RETURN(ret); - - SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, - "caching_sha2_server_public_key is not set for the connection or as mysqlnd.sha256_server_public_key"); - DBG_ERR("server_public_key is not set"); - DBG_RETURN(NULL); - } else { - zend_string * key_str; - DBG_INF_FMT("Key in a file. [%s]", fname); - stream = php_stream_open_wrapper((char *) fname, "rb", REPORT_ERRORS, NULL); - - if (stream) { - if ((key_str = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) { - BIO * bio = BIO_new_mem_buf(ZSTR_VAL(key_str), ZSTR_LEN(key_str)); - ret = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL); - BIO_free(bio); - DBG_INF("Successfully loaded"); - DBG_INF_FMT("Public key:%*.s", ZSTR_LEN(key_str), ZSTR_VAL(key_str)); - zend_string_release(key_str); - } - php_stream_close(stream); - } - } - DBG_RETURN(ret); - -} -#endif - - -/* {{{ mysqlnd_caching_sha2_get_key */ -static size_t -mysqlnd_caching_sha2_get_and_use_key(MYSQLND_CONN_DATA *conn, - const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len, - unsigned char **crypted, - const char * const passwd, - const size_t passwd_len) -{ -#ifdef MYSQLND_HAVE_SSL - static RSA *server_public_key; - server_public_key = mysqlnd_caching_sha2_get_key(conn); - - DBG_ENTER("mysqlnd_caching_sha2_get_and_use_key("); - - if (server_public_key) { - int server_public_key_len; - char xor_str[passwd_len + 1]; - memcpy(xor_str, passwd, passwd_len); - xor_str[passwd_len] = '\0'; - mysqlnd_xor_string(xor_str, passwd_len, (char *) auth_plugin_data, auth_plugin_data_len); - - server_public_key_len = RSA_size(server_public_key); - /* - Because RSA_PKCS1_OAEP_PADDING is used there is a restriction on the passwd_len. - RSA_PKCS1_OAEP_PADDING is recommended for new applications. See more here: - http://www.openssl.org/docs/crypto/RSA_public_encrypt.html - */ - if ((size_t) server_public_key_len - 41 <= passwd_len) { - /* password message is to long */ - SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, "password is too long"); - DBG_ERR("password is too long"); - DBG_RETURN(0); - } - - *crypted = emalloc(server_public_key_len); - RSA_public_encrypt(passwd_len + 1, (zend_uchar *) xor_str, *crypted, server_public_key, RSA_PKCS1_OAEP_PADDING); - DBG_RETURN(server_public_key_len); - } - DBG_RETURN(0); -#else - DBG_ENTER("mysqlnd_caching_sha2_get_and_use_key("); - php_error_docref(NULL, E_WARNING, "PHP was built without openssl extension, can't send password encrypted"); - DBG_RETURN(0); -#endif -} -/* }}} */ - -/* {{{ mysqlnd_native_auth_get_auth_data */ -static void -mysqlnd_caching_sha2_handle_server_response(struct st_mysqlnd_authentication_plugin *self, - MYSQLND_CONN_DATA * conn, - const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len, - const char * const passwd, - const size_t passwd_len) -{ - DBG_ENTER("mysqlnd_caching_sha2_handle_server_response"); - MYSQLND_PACKET_CACHED_SHA2_RESULT *result_packet; - result_packet = conn->payload_decoder_factory->m.get_cached_sha2_result_packet(conn->payload_decoder_factory, FALSE); - - if (FAIL == PACKET_READ(result_packet)) { - DBG_VOID_RETURN; - } - - switch (result_packet->response_code) { - case 3: - DBG_INF("fast path suceeded"); - PACKET_FREE(result_packet); - DBG_VOID_RETURN; - case 4: - if (conn->vio->data->ssl || conn->unix_socket.s) { - DBG_INF("fast path failed, doing full auth via SSL"); - result_packet->password = (zend_uchar *)passwd; - result_packet->password_len = passwd_len + 1; - PACKET_WRITE(result_packet); - } else { - DBG_INF("fast path failed, doing full auth without SSL"); - result_packet->password_len = mysqlnd_caching_sha2_get_and_use_key(conn, auth_plugin_data, auth_plugin_data_len, &result_packet->password, passwd, passwd_len); - PACKET_WRITE(result_packet); - efree(result_packet->password); - } - PACKET_FREE(result_packet); - DBG_VOID_RETURN; - case 2: - // The server tried to send a key, which we didn't expect - // fall-through - default: - php_error_docref(NULL, E_WARNING, "Unexpected server respose while doing caching_sha2 auth: %i", result_packet->response_code); - } - - PACKET_FREE(result_packet); - - DBG_VOID_RETURN; -} -/* }}} */ - -static struct st_mysqlnd_authentication_plugin mysqlnd_caching_sha2_auth_plugin = -{ - { - MYSQLND_PLUGIN_API_VERSION, - "auth_plugin_caching_sha2_password", - MYSQLND_VERSION_ID, - PHP_MYSQLND_VERSION, - "PHP License 3.01", - "Johannes Schlüter <johannes.schlueter@php.net>", - { - NULL, /* no statistics , will be filled later if there are some */ - NULL, /* no statistics */ - }, - { - NULL /* plugin shutdown */ - } - }, - {/* methods */ - mysqlnd_caching_sha2_get_auth_data, - mysqlnd_caching_sha2_handle_server_response - } -}; - - /* {{{ mysqlnd_register_builtin_authentication_plugins */ void mysqlnd_register_builtin_authentication_plugins(void) { mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_native_auth_plugin); mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_pam_authentication_plugin); - mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_caching_sha2_auth_plugin); #ifdef MYSQLND_HAVE_SSL mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_sha256_authentication_plugin); #endif |