C++ DBG_INF_FMT函数代码示例

/* {{{ 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, const size_t auth_plugin_data_len,
								   const MYSQLND_SESSION_OPTIONS * const session_options,
								   const MYSQLND_PFC_DATA * const pfc_data,
								   const 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);
}

/* {{{ mysqlnd_result_meta_init */
PHPAPI MYSQLND_RES_METADATA *
mysqlnd_result_meta_init(unsigned int field_count, zend_bool persistent)
{
	size_t alloc_size = sizeof(MYSQLND_RES_METADATA) + mysqlnd_plugin_count() * sizeof(void *);
	MYSQLND_RES_METADATA *ret = mnd_pecalloc(1, alloc_size, persistent);
	DBG_ENTER("mysqlnd_result_meta_init");
	DBG_INF_FMT("persistent=%u", persistent);

	do {
		if (!ret) {
			break;
		}
		ret->m = & mysqlnd_mysqlnd_res_meta_methods;

		ret->persistent = persistent;
		ret->field_count = field_count;
		/* +1 is to have empty marker at the end */
		ret->fields = mnd_pecalloc(field_count + 1, sizeof(MYSQLND_FIELD), ret->persistent);
		ret->zend_hash_keys = mnd_pecalloc(field_count, sizeof(struct mysqlnd_field_hash_key), ret->persistent);
		if (!ret->fields || !ret->zend_hash_keys) {
			break;
		}
		DBG_INF_FMT("meta=%p", ret);
		DBG_RETURN(ret);
	} while (0);
	if (ret) {
		ret->m->free_metadata(ret);
	}
	DBG_RETURN(NULL);
}

/* {{{ _mysqlnd_emalloc */
void * _mysqlnd_emalloc(size_t size MYSQLND_MEM_D)
{
	void *ret;
	zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
	long * threshold = &MYSQLND_G(debug_emalloc_fail_threshold);
#endif
	DBG_ENTER(mysqlnd_emalloc_name);

	DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);

#if PHP_DEBUG
	/* -1 is also "true" */
	if (*threshold) {
#endif
		ret = emalloc(REAL_SIZE(size));
#if PHP_DEBUG
		--*threshold;
	} else if (*threshold == 0) {
		ret = NULL;
	}
#endif

	DBG_INF_FMT("size=%lu ptr=%p", size, ret);

	if (ret && collect_memory_statistics) {
		*(size_t *) ret = size;
		MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(STAT_MEM_EMALLOC_COUNT, 1, STAT_MEM_EMALLOC_AMOUNT, size);
	}
	DBG_RETURN(FAKE_PTR(ret));
}

/* {{{ _mysqlnd_pecalloc */
void * _mysqlnd_pecalloc(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D)
{
	void *ret;
	zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
#if PHP_DEBUG
	long * threshold = persistent? &MYSQLND_G(debug_calloc_fail_threshold):&MYSQLND_G(debug_ecalloc_fail_threshold);
#endif
	DBG_ENTER(mysqlnd_pecalloc_name);
	DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);

#if PHP_DEBUG
	/* -1 is also "true" */
	if (*threshold) {
#endif
		ret = pecalloc(nmemb, REAL_SIZE(size), persistent);
#if PHP_DEBUG
		--*threshold;
	} else if (*threshold == 0) {
		ret = NULL;
	}
#endif

	DBG_INF_FMT("size=%lu ptr=%p", size, ret);

	if (ret && collect_memory_statistics) {
		enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_CALLOC_COUNT:STAT_MEM_ECALLOC_COUNT;
		enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_CALLOC_AMOUNT:STAT_MEM_ECALLOC_AMOUNT;
		*(size_t *) ret = size;
		MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, size);
	}

	DBG_RETURN(FAKE_PTR(ret));
}

/* {{{ _mysqlnd_perealloc */
void * _mysqlnd_perealloc(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D)
{
	void *ret;
	zend_bool collect_memory_statistics = MYSQLND_G(collect_memory_statistics);
	size_t old_size = collect_memory_statistics && ptr? *(size_t *) (((char*)ptr) - sizeof(size_t)) : 0;
#if PHP_DEBUG
	long * threshold = persistent? &MYSQLND_G(debug_realloc_fail_threshold):&MYSQLND_G(debug_erealloc_fail_threshold);
#endif
	DBG_ENTER(mysqlnd_perealloc_name);
	DBG_INF_FMT("file=%-15s line=%4d", strrchr(__zend_filename, PHP_DIR_SEPARATOR) + 1, __zend_lineno);
	DBG_INF_FMT("ptr=%p old_size=%lu new_size=%lu persistent=%u", ptr, old_size, new_size, persistent); 

#if PHP_DEBUG
	/* -1 is also "true" */
	if (*threshold) {
#endif
		ret = perealloc(REAL_PTR(ptr), REAL_SIZE(new_size), persistent);
#if PHP_DEBUG
		--*threshold;
	} else if (*threshold == 0) {
		ret = NULL;
	}
#endif

	DBG_INF_FMT("new_ptr=%p", (char*)ret);

	if (ret && collect_memory_statistics) {
		enum mysqlnd_collected_stats s1 = persistent? STAT_MEM_REALLOC_COUNT:STAT_MEM_EREALLOC_COUNT;
		enum mysqlnd_collected_stats s2 = persistent? STAT_MEM_REALLOC_AMOUNT:STAT_MEM_EREALLOC_AMOUNT;
		*(size_t *) ret = new_size;
		MYSQLND_INC_GLOBAL_STATISTIC_W_VALUE2(s1, 1, s2, new_size);
	}
	DBG_RETURN(FAKE_PTR(ret));
}

/* {{{ mysqlnd_res_meta::fetch_field_direct */
static const MYSQLND_FIELD *
MYSQLND_METHOD(mysqlnd_res_meta, fetch_field_direct)(const MYSQLND_RES_METADATA * const meta, const MYSQLND_FIELD_OFFSET fieldnr)
{
	DBG_ENTER("mysqlnd_res_meta::fetch_field_direct");
	DBG_INF_FMT("fieldnr=%u", fieldnr);
	DBG_INF_FMT("name=%s max_length=%u",
		meta->fields[meta->current_field].name? meta->fields[meta->current_field].name:"",
		meta->fields[meta->current_field].max_length);
	DBG_RETURN(&meta->fields[fieldnr]);
}

/* {{{ mysqlnd_object_factory::get_io_channel */
PHPAPI MYSQLND_NET *
MYSQLND_METHOD(mysqlnd_object_factory, get_io_channel)(zend_bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info)
{
	size_t net_alloc_size = sizeof(MYSQLND_NET) + mysqlnd_plugin_count() * sizeof(void *);
	size_t net_data_alloc_size = sizeof(MYSQLND_NET_DATA) + mysqlnd_plugin_count() * sizeof(void *);
	MYSQLND_NET * net = mnd_pecalloc(1, net_alloc_size, persistent);
	MYSQLND_NET_DATA * net_data = mnd_pecalloc(1, net_data_alloc_size, persistent);

	DBG_ENTER("mysqlnd_object_factory::get_io_channel");
	DBG_INF_FMT("persistent=%u", persistent);
	if (net && net_data) {
		net->data = net_data;
		net->persistent = net->data->persistent = persistent;
		net->data->m = *mysqlnd_net_get_methods();

		if (PASS != net->data->m.init(net, stats, error_info)) {
			net->data->m.dtor(net, stats, error_info);
			net = NULL;
		}
	} else {
		if (net_data) {
			mnd_pefree(net_data, persistent);
			net_data = NULL;
		}
		if (net) {
			mnd_pefree(net, persistent);
			net = NULL;
		}
	}
	DBG_RETURN(net);
}

/* {{{ mysqlnd_stmt_execute_generate_request */
enum_func_status
mysqlnd_stmt_execute_generate_request(MYSQLND_STMT * const s, zend_uchar ** request, size_t *request_len, zend_bool * free_buffer)
{
	MYSQLND_STMT_DATA * stmt = s->data;
	zend_uchar	*p = stmt->execute_cmd_buffer.buffer,
				*cmd_buffer = stmt->execute_cmd_buffer.buffer;
	size_t cmd_buffer_length = stmt->execute_cmd_buffer.length;
	enum_func_status ret;

	DBG_ENTER("mysqlnd_stmt_execute_generate_request");

	int4store(p, stmt->stmt_id);
	p += 4;

	/* flags is 4 bytes, we store just 1 */
	int1store(p, (zend_uchar) stmt->flags);
	p++;

	/* Make it all zero */
	int4store(p, 0);

	int1store(p, 1); /* and send 1 for iteration count */
	p+= 4;

	ret = mysqlnd_stmt_execute_store_params(s, &cmd_buffer, &p, &cmd_buffer_length);

	*free_buffer = (cmd_buffer != stmt->execute_cmd_buffer.buffer);
	*request_len = (p - cmd_buffer);
	*request = cmd_buffer;
	DBG_INF_FMT("ret=%s", ret == PASS? "PASS":"FAIL");
	DBG_RETURN(ret);
}

/* {{{ ps_fetch_date */
static void
ps_fetch_date(zval * zv, const MYSQLND_FIELD * const field, unsigned int pack_len, zend_uchar ** row)
{
	struct st_mysqlnd_time t = {0};
	zend_ulong length; /* First byte encodes the length*/
	char * value;
	DBG_ENTER("ps_fetch_date");

	if ((length = php_mysqlnd_net_field_length(row))) {
		zend_uchar *to= *row;

		t.time_type= MYSQLND_TIMESTAMP_DATE;
		t.neg= 0;

		t.second_part = t.hour = t.minute = t.second = 0;

		t.year	= (unsigned int) sint2korr(to);
		t.month = (unsigned int) to[2];
		t.day	= (unsigned int) to[3];

		(*row)+= length;
	} else {
		memset(&t, 0, sizeof(t));
		t.time_type = MYSQLND_TIMESTAMP_DATE;
	}

	length = mnd_sprintf(&value, 0, "%04u-%02u-%02u", t.year, t.month, t.day);

	DBG_INF_FMT("%s", value);
	ZVAL_STRINGL(zv, value, length);
	mnd_sprintf_free(value);
	DBG_VOID_RETURN;
}

/* {{{ mysqlnd_vio::post_connect_set_opt */
static void
MYSQLND_METHOD(mysqlnd_vio, post_connect_set_opt)(MYSQLND_VIO * const vio, const MYSQLND_CSTRING scheme,
												  MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info)
{
	php_stream * net_stream = vio->data->m.get_stream(vio);
	DBG_ENTER("mysqlnd_vio::post_connect_set_opt");
	if (net_stream) {
		if (vio->data->options.timeout_read) {
			struct timeval tv;
			DBG_INF_FMT("setting %u as PHP_STREAM_OPTION_READ_TIMEOUT", vio->data->options.timeout_read);
			tv.tv_sec = vio->data->options.timeout_read;
			tv.tv_usec = 0;
			php_stream_set_option(net_stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &tv);
		}

		if (!memcmp(scheme.s, "tcp://", sizeof("tcp://") - 1)) {
			/* TCP -> Set TCP_NODELAY */
			mysqlnd_set_sock_no_delay(net_stream);
			/* TCP -> Set SO_KEEPALIVE */
			mysqlnd_set_sock_keepalive(net_stream);
		}
	}

	DBG_VOID_RETURN;
}

/* {{{ mysqlnd_vio::has_valid_stream */
static zend_bool
MYSQLND_METHOD(mysqlnd_vio, has_valid_stream)(const MYSQLND_VIO * const vio)
{
	DBG_ENTER("mysqlnd_vio::has_valid_stream");
	DBG_INF_FMT("%p %p", vio, vio? vio->data->stream:NULL);
	DBG_RETURN((vio && vio->data->stream)? TRUE: FALSE);
}

/* {{{ mysqlnd_local_infile_error */
static
int	mysqlnd_local_infile_error(void * ptr, char *error_buf, unsigned int error_buf_len)
{
	MYSQLND_INFILE_INFO	*info = (MYSQLND_INFILE_INFO *)ptr;

	DBG_ENTER("mysqlnd_local_infile_error");

	if (info) {
		strlcpy(error_buf, info->error_msg, error_buf_len);
		DBG_INF_FMT("have info, %d", info->error_no);
		DBG_RETURN(info->error_no);
	}

	strlcpy(error_buf, "Unknown error", error_buf_len);
	DBG_INF_FMT("no info, %d", CR_UNKNOWN_ERROR);
	DBG_RETURN(CR_UNKNOWN_ERROR);
}

/* {{{ mysqlnd_net::decode */
static enum_func_status
MYSQLND_METHOD(mysqlnd_net, decode)(zend_uchar * uncompressed_data, const size_t uncompressed_data_len,
									const zend_uchar * const compressed_data, const size_t compressed_data_len)
{
#ifdef MYSQLND_COMPRESSION_ENABLED
	int error;
	uLongf tmp_complen = uncompressed_data_len;
	DBG_ENTER("mysqlnd_net::decode");
	error = uncompress(uncompressed_data, &tmp_complen, compressed_data, compressed_data_len);

	DBG_INF_FMT("compressed data: decomp_len=%lu compressed_size="MYSQLND_SZ_T_SPEC, tmp_complen, compressed_data_len);
	if (error != Z_OK) {
		DBG_INF_FMT("decompression NOT successful. error=%d Z_OK=%d Z_BUF_ERROR=%d Z_MEM_ERROR=%d", error, Z_OK, Z_BUF_ERROR, Z_MEM_ERROR);
	}
	DBG_RETURN(error == Z_OK? PASS:FAIL);
#else
	DBG_ENTER("mysqlnd_net::decode");
	DBG_RETURN(FAIL);
#endif
}

/* {{{ ps_fetch_double */
static void
ps_fetch_double(zval * zv, const MYSQLND_FIELD * const field, unsigned int pack_len, zend_uchar ** row)
{
	double value;
	DBG_ENTER("ps_fetch_double");
	float8get(value, *row);
	ZVAL_DOUBLE(zv, value);
	(*row)+= 8;
	DBG_INF_FMT("value=%f", value);
	DBG_VOID_RETURN;
}

/* {{{ mysqlnd_sha256_auth_get_auth_data */
static zend_uchar *
mysqlnd_sha256_auth_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_OPTIONS * const options,
								  const MYSQLND_NET_OPTIONS * const net_options,
								  zend_ulong mysql_flags
								 )
{
	RSA * server_public_key;
	zend_uchar * ret = NULL;
	DBG_ENTER("mysqlnd_sha256_auth_get_auth_data");
	DBG_INF_FMT("salt(%d)=[%.*s]", auth_plugin_data_len, auth_plugin_data_len, auth_plugin_data);


	if (conn->net->data->ssl) {
		DBG_INF("simple clear text under SSL");
		/* clear text under SSL */
		*auth_data_len = passwd_len;
		ret = malloc(passwd_len);
		memcpy(ret, passwd, passwd_len);
	} else {
		*auth_data_len = 0;
		server_public_key = mysqlnd_sha256_get_rsa_key(conn, options, net_options);

		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(NULL);
			}

			*auth_data_len = server_public_key_len;
			ret = malloc(*auth_data_len);
			RSA_public_encrypt(passwd_len + 1, (zend_uchar *) xor_str, ret, server_public_key, RSA_PKCS1_OAEP_PADDING);
		}
	}

	DBG_RETURN(ret);
}