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In print_data(), check each byte to make sure we haven't gone past the

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end of the captured packet data.
This commit is contained in:
guy 2007-07-15 19:07:39 +00:00
parent 44e351db08
commit 229cf9681b
1 changed files with 7 additions and 1 deletions
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8
smbutil.c
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@ -12,7 +12,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.38 2007-06-15 19:49:41 guy Exp $";
"@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.39 2007-07-15 19:07:39 guy Exp $";
#endif
#include <tcpdump-stdinc.h>
@ -279,6 +279,7 @@ print_data(const unsigned char *buf, int len)
return;
printf("[%03X] ", i);
for (i = 0; i < len; /*nothing*/) {
TCHECK(buf[i]);
printf("%02X ", buf[i] & 0xff);
i++;
if (i%8 == 0)
@ -310,6 +311,11 @@ print_data(const unsigned char *buf, int len)
print_asc(&buf[i - n], n);
printf("\n");
}
return;
trunc:
printf("\n");
printf("WARNING: Short packet. Try increasing the snap length\n");
}