mirror of
https://github.com/yarrick/iodine.git
synced 2024-10-31 23:39:18 +02:00
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006 Bjorn Andersson <flex@kryo.se>, Erik Ekman <yarrick@kryo.se>
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
readname(char *packet, char *dst, char *src)
|
||
|
|
{
|
||
|
|
char l;
|
||
|
|
int len;
|
||
|
|
int offset;
|
||
|
|
|
||
|
|
len = 0;
|
||
|
|
|
||
|
|
while(*src) {
|
||
|
|
l = *src++;
|
||
|
|
len++;
|
||
|
|
|
||
|
|
if(l & 0x80 && l & 0x40) {
|
||
|
|
offset = ((src[-1] & 0x3f) << 8) | src[0];
|
||
|
|
readname(packet, dst, packet + offset);
|
||
|
|
dst += strlen(dst);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
while(l) {
|
||
|
|
*dst++ = *src++;
|
||
|
|
l--;
|
||
|
|
len++;
|
||
|
|
}
|
||
|
|
|
||
|
|
*dst++ = '.';
|
||
|
|
}
|
||
|
|
|
||
|
|
*dst = '\0';
|
||
|
|
src++;
|
||
|
|
len++;
|
||
|
|
|
||
|
|
return len;
|
||
|
|
}
|
||
|
|
|