freebsd-dev/contrib/tcpdump/print-usb.c
Gleb Smirnoff 3340d77368 Update tcpdump to 4.9.0.
It fixes many buffer overflow in different protocol parsers, but none of
them are critical, even in absense of Capsicum.

Security:	CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925
Security:	CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929
Security:	CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933
Security:	CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937
Security:	CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973
Security:	CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984
Security:	CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993
Security:	CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203
Security:	CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342
Security:	CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485
Security:	CVE-2017-5486
2017-02-01 20:26:42 +00:00

177 lines
4.2 KiB
C

/*
* Copyright 2009 Bert Vermeulen <bert@biot.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by Paolo Abeni.''
* The name of author may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Support for USB packets
*
*/
/* \summary: USB printer */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <netdissect-stdinc.h>
#include "netdissect.h"
#if defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX)
#include <pcap/usb.h>
static const char tstr[] = "[|usb]";
/* returns direction: 1=inbound 2=outbound -1=invalid */
static int
get_direction(int transfer_type, int event_type)
{
int direction;
direction = -1;
switch(transfer_type){
case URB_BULK:
case URB_CONTROL:
case URB_ISOCHRONOUS:
switch(event_type)
{
case URB_SUBMIT:
direction = 2;
break;
case URB_COMPLETE:
case URB_ERROR:
direction = 1;
break;
default:
direction = -1;
}
break;
case URB_INTERRUPT:
switch(event_type)
{
case URB_SUBMIT:
direction = 1;
break;
case URB_COMPLETE:
case URB_ERROR:
direction = 2;
break;
default:
direction = -1;
}
break;
default:
direction = -1;
}
return direction;
}
static void
usb_header_print(netdissect_options *ndo, const pcap_usb_header *uh)
{
int direction;
switch(uh->transfer_type)
{
case URB_ISOCHRONOUS:
ND_PRINT((ndo, "ISOCHRONOUS"));
break;
case URB_INTERRUPT:
ND_PRINT((ndo, "INTERRUPT"));
break;
case URB_CONTROL:
ND_PRINT((ndo, "CONTROL"));
break;
case URB_BULK:
ND_PRINT((ndo, "BULK"));
break;
default:
ND_PRINT((ndo, " ?"));
}
switch(uh->event_type)
{
case URB_SUBMIT:
ND_PRINT((ndo, " SUBMIT"));
break;
case URB_COMPLETE:
ND_PRINT((ndo, " COMPLETE"));
break;
case URB_ERROR:
ND_PRINT((ndo, " ERROR"));
break;
default:
ND_PRINT((ndo, " ?"));
}
direction = get_direction(uh->transfer_type, uh->event_type);
if(direction == 1)
ND_PRINT((ndo, " from"));
else if(direction == 2)
ND_PRINT((ndo, " to"));
ND_PRINT((ndo, " %d:%d:%d", uh->bus_id, uh->device_address, uh->endpoint_number & 0x7f));
}
/*
* This is the top level routine of the printer for captures with a
* 48-byte header.
*
* 'p' points to the header of the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
u_int
usb_linux_48_byte_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
register const u_char *p)
{
if (h->caplen < sizeof(pcap_usb_header)) {
ND_PRINT((ndo, "%s", tstr));
return(sizeof(pcap_usb_header));
}
usb_header_print(ndo, (const pcap_usb_header *) p);
return(sizeof(pcap_usb_header));
}
#ifdef DLT_USB_LINUX_MMAPPED
/*
* This is the top level routine of the printer for captures with a
* 64-byte header.
*
* 'p' points to the header of the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
u_int
usb_linux_64_byte_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
register const u_char *p)
{
if (h->caplen < sizeof(pcap_usb_header_mmapped)) {
ND_PRINT((ndo, "%s", tstr));
return(sizeof(pcap_usb_header_mmapped));
}
usb_header_print(ndo, (const pcap_usb_header *) p);
return(sizeof(pcap_usb_header_mmapped));
}
#endif /* DLT_USB_LINUX_MMAPPED */
#endif /* defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX) */