Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/mopd/mopprobe/../common/get.c	Lines:	0	36	0.0 %
Date:	2017-11-07	Branches:	0	12	0.0 %


/*	$OpenBSD: get.c,v 1.8 2009/10/27 23:59:52 deraadt Exp $ */

/*
 * Copyright (c) 1993-2006 Mats O Jansson.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/types.h>
#include "common/mopdef.h"

u_char
mopGetChar(u_char *pkt, int *idx)
{
	u_char ret;

	ret = pkt[*idx];
	*idx = *idx + 1;
	return (ret);
}

u_short
mopGetShort(u_char *pkt, int *idx)
{
	u_short ret;

	ret = pkt[*idx] + pkt[*idx+1]*256;
	*idx = *idx + 2;
	return (ret);
}

u_short
mopGetNShort(u_char *pkt, int *idx)
{
	u_short ret;

	ret = pkt[*idx]*256 + pkt[*idx+1];
	*idx = *idx + 2;
	return (ret);
}

u_long
mopGetLong(u_char *pkt, int *idx)
{
	u_long ret;

	ret = pkt[*idx] + pkt[*idx+1]*0x100 + pkt[*idx+2]*0x10000 +
	    pkt[*idx+3]*0x1000000;
	*idx = *idx + 4;
	return (ret);
}

void
mopGetMulti(u_char *pkt, int *idx, u_char *dest, int size)
{
	int i;

	for (i = 0; i < size; i++)
		dest[i] = pkt[*idx+i];
	*idx = *idx + size;
}

int
mopGetTrans(u_char *pkt, int trans)
{
	u_short	ptype;

	if (trans == 0) {
		ptype = pkt[12]*256 + pkt[13];
		if (ptype < 1600)
			trans = TRANS_8023;
		else
			trans = TRANS_ETHER;
	}
	return (trans);
}

void
mopGetHeader(u_char *pkt, int *idx, u_char **dst, u_char **src,
    u_short *proto, int *len, int trans)
{
	*dst = pkt;
	*src = pkt + 6;
	*idx = *idx + 12;

	switch (trans) {
	case TRANS_ETHER:
		*proto = mopGetNShort(pkt, idx);
		*len   = (int)mopGetShort(pkt, idx);
		break;
	case TRANS_8023:
		*len   = (int)mopGetNShort(pkt, idx);
		*idx   = *idx + 6;
		*proto = mopGetNShort(pkt, idx);
		break;
	}
}

u_short
mopGetLength(u_char *pkt, int trans)
{
	switch (trans) {
	case TRANS_ETHER:
		return (pkt[14] + pkt[15]*256);
	case TRANS_8023:
		return (pkt[12]*256 + pkt[13]);
	}
	return (0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: get.c,v 1.8 2009/10/27 23:59:52 deraadt Exp $ */
2
3			/*
4			* Copyright (c) 1993-2006 Mats O Jansson. All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			* 1. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			* 2. Redistributions in binary form must reproduce the above copyright
12			* notice, this list of conditions and the following disclaimer in the
13			* documentation and/or other materials provided with the distribution.
14			*
15			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18			* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25			*/
26
27			#include <sys/types.h>
28			#include "common/mopdef.h"
29
30			u_char
31			mopGetChar(u_char pkt, int idx)
32			{
33			u_char ret;
34
35			ret = pkt[*idx];
36			idx = idx + 1;
37			return (ret);
38			}
39
40			u_short
41			mopGetShort(u_char pkt, int idx)
42			{
43			u_short ret;
44
45			ret = pkt[idx] + pkt[idx+1]*256;
46			idx = idx + 2;
47			return (ret);
48			}
49
50			u_short
51			mopGetNShort(u_char pkt, int idx)
52			{
53			u_short ret;
54
55			ret = pkt[idx]256 + pkt[*idx+1];
56			idx = idx + 2;
57			return (ret);
58			}
59
60			u_long
61			mopGetLong(u_char pkt, int idx)
62			{
63			u_long ret;
64
65			ret = pkt[idx] + pkt[idx+1]0x100 + pkt[idx+2]*0x10000 +
66			pkt[idx+3]0x1000000;
67			idx = idx + 4;
68			return (ret);
69			}
70
71			void
72			mopGetMulti(u_char pkt, int idx, u_char *dest, int size)
73			{
74			int i;
75
76			for (i = 0; i < size; i++)
77			dest[i] = pkt[*idx+i];
78			idx = idx + size;
79			}
80
81			int
82			mopGetTrans(u_char *pkt, int trans)
83			{
84			u_short ptype;
85
86			if (trans == 0) {
87			ptype = pkt[12]*256 + pkt[13];
88			if (ptype < 1600)
89			trans = TRANS_8023;
90			else
91			trans = TRANS_ETHER;
92			}
93			return (trans);
94			}
95
96			void
97			mopGetHeader(u_char pkt, int idx, u_char dst, u_char src,
98			u_short proto, int len, int trans)
99			{
100			*dst = pkt;
101			*src = pkt + 6;
102			idx = idx + 12;
103
104			switch (trans) {
105			case TRANS_ETHER:
106			*proto = mopGetNShort(pkt, idx);
107			*len = (int)mopGetShort(pkt, idx);
108			break;
109			case TRANS_8023:
110			*len = (int)mopGetNShort(pkt, idx);
111			idx = idx + 6;
112			*proto = mopGetNShort(pkt, idx);
113			break;
114			}
115			}
116
117			u_short
118			mopGetLength(u_char *pkt, int trans)
119			{
120			switch (trans) {
121			case TRANS_ETHER:
122			return (pkt[14] + pkt[15]*256);
123			case TRANS_8023:
124			return (pkt[12]*256 + pkt[13]);
125			}
126			return (0);
127			}