GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/npppd/npppd/../pptp/pptp_subr.c Lines: 0 22 0.0 %
Date: 2017-11-07 Branches: 0 24 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: pptp_subr.c,v 1.4 2012/05/08 13:15:12 yasuoka Exp $ */
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/*-
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 * Copyright (c) 2009 Internet Initiative Japan Inc.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/* utility functions for the pptp.c */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <string.h>
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#include <event.h>
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#include "bytebuf.h"
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#include "hash.h"
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#include "slist.h"
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#include "pptp.h"
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#include "pptp_local.h"
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#include "pptp_subr.h"
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/* convert the Faming Capability bit as CSV strings */
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const char *
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pptp_framing_string(uint32_t bits)
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{
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	static char framing_cap_buf[40];
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	snprintf(framing_cap_buf, sizeof(framing_cap_buf), "%s%s",
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	    (bits & PPTP_CTRL_FRAMING_ASYNC)? ",async" : "",
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	    (bits & PPTP_CTRL_FRAMING_SYNC)? ",sync" : "");
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	if (strlen(framing_cap_buf) > 0)
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		return &framing_cap_buf[1];
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	return "";
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}
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/* convert the Bearer Capability bit as CSV strings */
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const char *
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pptp_bearer_string(uint32_t bits)
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{
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	static char bearer_cap_buf[40];
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	snprintf(bearer_cap_buf, sizeof(bearer_cap_buf), "%s%s",
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	    (bits &PPTP_CTRL_BEARER_ANALOG)? ",analog" : "",
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	    (bits &PPTP_CTRL_BEARER_DIGITAL)? ",digital" : "");
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	if (strlen(bearer_cap_buf) > 0)
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		return &bearer_cap_buf[1];
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	return "";
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}
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/* build common header part of a control packet */
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void
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pptp_init_header(struct pptp_ctrl_header *header, int length, int ctrl_mes_type)
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{
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	header->length = htons(length);
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	header->pptp_message_type = htons(PPTP_MES_TYPE_CTRL);
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	header->magic_cookie = htonl(PPTP_MAGIC_COOKIE);
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	header->control_message_type = htons(ctrl_mes_type);
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	header->reserved0 = 0;
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}
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#define	NAME_VAL(x)	{ x, #x }
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static struct _label_name {
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	int		label;
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	const char	*name;
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} pptp_StopCCRQ_reason_labels[] = {
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	NAME_VAL(PPTP_StopCCRQ_REASON_NONE),
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	NAME_VAL(PPTP_StopCCRQ_REASON_STOP_PROTOCOL),
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	NAME_VAL(PPTP_StopCCRQ_REASON_STOP_LOCAL_SHUTDOWN),
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}, pptp_StopCCRP_result_labels[] = {
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	NAME_VAL(PPTP_StopCCRP_RESULT_OK),
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	NAME_VAL(PPTP_StopCCRP_RESULT_GENERIC_ERROR),
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}, pptp_general_error_labels[] = {
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	NAME_VAL(PPTP_ERROR_NONE),
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	NAME_VAL(PPTP_ERROR_NOT_CONNECTED),
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	NAME_VAL(PPTP_ERROR_BAD_FORMAT),
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	NAME_VAL(PPTP_ERROR_NO_RESOURCE),
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	NAME_VAL(PPTP_ERROR_BAD_CALL),
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}, pptp_ctrl_mes_type_labels[] = {
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	NAME_VAL(PPTP_CTRL_MES_CODE_SCCRQ),
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	NAME_VAL(PPTP_CTRL_MES_CODE_SCCRP),
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	NAME_VAL(PPTP_CTRL_MES_CODE_StopCCRQ),
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	NAME_VAL(PPTP_CTRL_MES_CODE_StopCCRP),
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	NAME_VAL(PPTP_CTRL_MES_CODE_ECHO_RQ),
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	NAME_VAL(PPTP_CTRL_MES_CODE_ECHO_RP),
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	NAME_VAL(PPTP_CTRL_MES_CODE_OCRQ),
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	NAME_VAL(PPTP_CTRL_MES_CODE_OCRP),
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	NAME_VAL(PPTP_CTRL_MES_CODE_ICRQ),
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	NAME_VAL(PPTP_CTRL_MES_CODE_ICRP),
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	NAME_VAL(PPTP_CTRL_MES_CODE_ICCN),
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	NAME_VAL(PPTP_CTRL_MES_CODE_CCR),
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	NAME_VAL(PPTP_CTRL_MES_CODE_CDN),
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	NAME_VAL(PPTP_CTRL_MES_CODE_SLI),
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}, pptp_CDN_result_labels[] = {
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	NAME_VAL(PPTP_CDN_RESULT_LOST_CARRIER),
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	NAME_VAL(PPTP_CDN_RESULT_GENRIC_ERROR),
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	NAME_VAL(PPTP_CDN_RESULT_ADMIN_SHUTDOWN),
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	NAME_VAL(PPTP_CDN_RESULT_REQUEST),
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};
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/* value to strings convert macros */
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#define LABEL_TO_STRING(func_name, label_names, prefix_len)		\
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	const char *							\
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	func_name(int code)						\
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	{								\
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		int i;							\
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									\
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		for (i = 0; i < countof(label_names); i++) {		\
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			if (label_names[i].label == code)		\
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				return label_names[i].name + prefix_len;\
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		}							\
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									\
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		return "UNKNOWN";					\
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	}
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LABEL_TO_STRING(pptp_StopCCRQ_reason_string, pptp_StopCCRQ_reason_labels, 21)
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LABEL_TO_STRING(pptp_StopCCRP_result_string, pptp_StopCCRP_result_labels, 21)
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LABEL_TO_STRING(pptp_general_error_string, pptp_general_error_labels, 11)
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LABEL_TO_STRING(pptp_ctrl_mes_type_string, pptp_ctrl_mes_type_labels, 19)
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LABEL_TO_STRING(pptp_CDN_result_string, pptp_CDN_result_labels, 16)