diff options
author | Elliott Hughes <enh@google.com> | 2017-05-15 10:59:29 -0700 |
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committer | Elliott Hughes <enh@google.com> | 2017-05-15 14:40:28 -0700 |
commit | e2e3bd11bd7561bc9d6686283a668fa94e1206b7 (patch) | |
tree | c99c1f63716e7286ebfb83a0c78d91be06ec8488 /print-smb.c | |
parent | 60aaf97844d4c21b8618fd50046e036c5f78ebe0 (diff) | |
download | tcpdump-e2e3bd11bd7561bc9d6686283a668fa94e1206b7.tar.gz |
Upgrade to tcpdump 4.9.0.
From CHANGES:
Wednesday January 18, 2017 devel.fx.lebail@orange.fr
Summary for 4.9.0 tcpdump release
General updates:
Improve separation frontend/backend (tcpdump/libnetdissect)
Don't require IPv6 library support in order to support IPv6 addresses
Introduce data types to use for integral values in packet structures
Fix display of timestamps with -tt, -ttt and -ttttt options
Fix some heap overflows found with American Fuzzy Lop by Hanno Boeck and others
(More information in the log with CVE-2016-* and CVE-2017-*)
Change the way protocols print link-layer addresses (Fix heap overflows
in CALM-FAST and GeoNetworking printers)
Pass correct caplen value to ether_print() and some other functions
Fix lookup_nsap() to match what isonsap_string() expects
Clean up relative time stamp printing (Fix an array overflow)
Fix some alignment issues with GCC on Solaris 10 SPARC
Add some ND_TTEST_/ND_TCHECK_ macros to simplify writing bounds checks
Add a fn_printztn() which returns the number of bytes processed
Add nd_init() and nd_cleanup() functions. Improve libsmi support
Add CONTRIBUTING file
Add a summary comment in all printers
Compile with more warning options in devel mode if supported (-Wcast-qual, ...)
Fix some leaks found by Valgrind/Memcheck
Fix a bunch of de-constifications
Squelch some Coverity warnings and some compiler warnings
Update Coverity and Travis-CI setup
Update Visual Studio files
Frontend:
Fix capsicum support to work with zerocopy buffers in bpf
Try opening interfaces by name first, then by name-as-index
Work around pcap_create() failures fetching time stamp type lists
Fix a segmentation fault with 'tcpdump -J'
Improve addrtostr6() bounds checking
Add exit_tcpdump() function
Don't drop CAP_SYS_CHROOT before chrooting
Fixes issue where statistics not reported when -G and -W options used
New printers supporting:
Generic Protocol Extension for VXLAN (VXLAN-GPE)
Home Networking Control Protocol (HNCP), RFCs 7787 and 7788
Locator/Identifier Separation Protocol (LISP), type 3 and type 4 packets
Marvell Extended Distributed Switch Architecture header (MEDSA)
Network Service Header (NSH)
REdis Serialization Protocol (RESP)
Updated printers:
802.11: Beginnings of 11ac radiotap support
802.11: Check the Protected bit for management frames
802.11: Do bounds checking on last_presentp before dereferencing it (Fix a heap overflow)
802.11: Fix the radiotap printer to handle the special bits correctly
802.11: If we have the MCS field, it's 11n
802.11: Only print unknown frame type or subtype messages once
802.11: Radiotap dBm values get printed as dB; Update a test output accordingly
802.11: Source and destination addresses were backwards
AH: Add a bounds check
AH: Report to our caller that dissection failed if a bounds check fails
AP1394: Print src > dst, not dst > src
ARP: Don't assume the target hardware address is <= 6 octets long (Fix a heap overflow)
ATALK: Add bounds and length checks (Fix heap overflows)
ATM: Add some bounds checks (Fix a heap overflow)
ATM: Fix an incorrect bounds check
BFD: Update specification from draft to RFC 5880
BFD: Update to print optional authentication field
BGP: Add decoding of ADD-PATH capability
BGP: Add support for the AIGP attribute (RFC7311)
BGP: Print LARGE_COMMUNITY Path Attribute
BGP: Update BGP numbers from IANA; Print minor values for FSM notification
BOOTP: Add a bounds check
Babel: Add decoder for source-specific extension
CDP: Filter out non-printable characters
CFM: Fixes to match the IEEE standard, additional bounds and length checks
CSLIP: Add more bounds checks (Fix a heap overflow)
ClassicalIPoATM: Add a bounds check on LLC+SNAP header (Fix a heap overflow)
DHCP: Fix MUDURL and TZ options
DHCPv6: Process MUDURL and TZ options
DHCPv6: Update Status Codes with RFCs/IANA names
DNS: Represent the "DNSSEC OK" bit as "DO" instead of "OK". Add a test case
DTP: Improve packet integrity checks
EGP: Fix bounds checks
ESP: Don't use OpenSSL_add_all_algorithms() in OpenSSL 1.1.0 or later
ESP: Handle OpenSSL 1.1.x
Ethernet: Add some bounds checking before calling isoclns_print (Fix a heap overflow)
Ethernet: Print the Length/Type field as length when needed
FDDI: Fix -e output for FDDI
FR: Add some packet-length checks and improve Q.933 printing (Fix heap overflows)
GRE: Add some bounds checks (Fix heap overflows)
Geneve: Fix error message with invalid option length; Update list option classes
HNCP: Fix incorrect time interval format. Fix handling of IPv4 prefixes
ICMP6: Fetch a 32-bit big-endian quantity with EXTRACT_32BITS()
ICMP6: dagid is always an IPv6 address, not an opaque 128-bit string
IGMP: Add a length check
IP: Add a bounds check (Fix a heap overflow)
IP: Check before fetching the protocol version (Fix a heap overflow)
IP: Don't try to dissect if IP version != 4 (Fix a heap overflow)
IP: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP
IPComp: Check whether we have the CPI before we fetch it (Fix a heap overflow)
IPoFC: Fix -e output (IP-over-Fibre Channel)
IPv6: Don't overwrite the destination IPv6 address for routing headers
IPv6: Fix header printing
IPv6: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP
ISAKMP: Clean up parsing of IKEv2 Security Associations
ISOCLNS/IS-IS: Add support for Purge Originator Identifier (RFC6232) and test cases
ISOCLNS/IS-IS: Don't overwrite packet data when checking the signature
ISOCLNS/IS-IS: Filter out non-printable characters
ISOCLNS/IS-IS: Fix segmentation faults
ISOCLNS/IS-IS: Have signature_verify() do the copying and clearing
ISOCLNS: Add some bounds checks
Juniper: Make sure a Juniper header TLV isn't bigger than what's left in the packet (Fix a heap overflow)
LLC/SNAP: With -e, print the LLC header before the SNAP header; without it, cut the SNAP header
LLC: Add a bounds check (Fix a heap overflow)
LLC: Clean up printing of LLC packets
LLC: Fix the printing of RFC 948-style IP packets
LLC: Skip the LLC and SNAP headers with -x for 802.11 and some other protocols
LLDP: Implement IANA OUI and LLDP MUD option
MPLS LSP ping: Update printing for RFC 4379, bug fixes, more bounds checks
MPLS: "length" is now the *remaining* packet length
MPLS: Add bounds and length checks (Fix a heap overflow)
NFS: Add a test that makes unaligned accesses
NFS: Don't assume the ONC RPC header is nicely aligned
NFS: Don't overflow the Opaque_Handle buffer (Fix a segmentation fault)
NFS: Don't run past the end of an NFSv3 file handle
OLSR: Add a test to cover a HNA sgw case
OLSR: Fix 'Advertised networks' count
OLSR: Fix printing of smart-gateway HNAs in IPv4
OSPF: Add a bounds check for the Hello packet options
OSPF: Do more bounds checking
OSPF: Fix a segmentation fault
OSPF: Fix printing 'ospf_topology_values' default
OTV: Add missing bounds checks
PGM: Print the formatted IP address, not the raw binary address, as a string
PIM: Add some bounds checking (Fix a heap overflow)
PIMv2: Fix checksumming of Register messages
PPI: Pass an adjusted struct pcap_pkthdr to the sub-printer
PPP: Add some bounds checks (Fix a heap overflow)
PPP: Report invalid PAP AACK/ANAK packets
Q.933: Add a missing bounds check
RADIUS: Add Value 13 "VLAN" to Tunnel-Type attribute
RADIUS: Filter out non-printable characters
RADIUS: Translate UDP/1700 as RADIUS
RESP: Do better checking of RESP packets
RPKI-RTR: Add a return value check for "fn_printn" call
RPKI-RTR: Remove printing when truncated condition already detected
RPL: Fix 'Consistency Check' control code
RPL: Fix suboption print
RSVP: An INTEGRITY object in a submessage covers only the submessage
RSVP: Fix an infinite loop; Add bounds and length checks
RSVP: Fix some if statements missing brackets
RSVP: Have signature_verify() do the copying and clearing
RTCP: Add some bounds checks
RTP: Add some bounds checks, fix two segmentation faults
SCTP: Do more bounds checking
SFLOW: Fix bounds checking
SLOW: Fix bugs, add checks
SMB: Before fetching the flags2 field, make sure we have it
SMB: Do bounds checks on NBNS resource types and resource data lengths
SNMP: Clean up the "have libsmi but no modules loaded" case
SNMP: Clean up the object abbreviation list and fix the code to match them
SNMP: Do bounds checks when printing character and octet strings
SNMP: Improve ASN.1 bounds checks
SNMP: More bounds and length checks
STP: Add a bunch of bounds checks, and fix some printing (Fix heap overflows)
STP: Filter out non-printable characters
TCP: Add bounds and length checks for packets with TCP option 20
TCP: Correct TCP option Kind value for TCP Auth and add SCPS-TP
TCP: Fix two bounds checks (Fix heap overflows)
TCP: Make sure we have the data offset field before fetching it (Fix a heap overflow)
TCP: Put TCP-AO option decoding right
TFTP: Don't use strchr() to scan packet data (Fix a heap overflow)
Telnet: Add some bounds checks
TokenRing: Fix -e output
UDLD: Fix an infinite loop
UDP: Add a bounds check (Fix a heap overflow)
UDP: Check against the packet length first
UDP: Don't do the DDP-over-UDP heuristic check up front
VAT: Add some bounds checks
VTP: Add a test on Mgmt Domain Name length
VTP: Add bounds checks and filter out non-printable characters
VXLAN: Add a bound check and a test case
ZeroMQ: Fix an infinite loop
Tuesday April 14, 2015 guy@alum.mit.edu
Summary for 4.8.0 tcpdump release
Fix "-x" for Apple PKTAP and PPI packets
Bug: N/A
Test: "adb shell tcpdump"
Change-Id: I81df72cf1ebdbe61c5b6069d8532ae817570f23f
Diffstat (limited to 'print-smb.c')
-rw-r--r-- | print-smb.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/print-smb.c b/print-smb.c index f5be9ffc..723b9a03 100644 --- a/print-smb.c +++ b/print-smb.c @@ -6,16 +6,17 @@ * or later */ -#define NETDISSECT_REWORKED +/* \summary: SMB/CIFS printer */ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include <tcpdump-stdinc.h> +#include <netdissect-stdinc.h> #include <string.h> -#include "interface.h" +#include "netdissect.h" #include "extract.h" #include "smb.h" @@ -100,7 +101,7 @@ trans2_findfirst(netdissect_options *ndo, smb_fdata(ndo, param, fmt, param + pcnt, unicodestr); if (dcnt) { ND_PRINT((ndo, "data:\n")); - print_data(ndo, data, dcnt); + smb_print_data(ndo, data, dcnt); } } @@ -135,7 +136,7 @@ trans2_qfsinfo(netdissect_options *ndo, } if (dcnt) { ND_PRINT((ndo, "data:\n")); - print_data(ndo, data, dcnt); + smb_print_data(ndo, data, dcnt); } return; trunc: @@ -416,7 +417,7 @@ print_negprot(netdissect_options *ndo, smb_fdata(ndo, words + 1, f1, min(words + 1 + wct * 2, maxbuf), unicodestr); else - print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1))); + smb_print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1))); ND_TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); @@ -426,7 +427,7 @@ print_negprot(netdissect_options *ndo, smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else - print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: @@ -460,7 +461,7 @@ print_sesssetup(netdissect_options *ndo, smb_fdata(ndo, words + 1, f1, min(words + 1 + wct * 2, maxbuf), unicodestr); else - print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1))); + smb_print_data(ndo, words + 1, min(wct * 2, PTR_DIFF(maxbuf, words + 1))); ND_TCHECK2(*data, 2); bcc = EXTRACT_LE_16BITS(data); @@ -470,7 +471,7 @@ print_sesssetup(netdissect_options *ndo, smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else - print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: @@ -510,7 +511,7 @@ print_lockingandx(netdissect_options *ndo, smb_fdata(ndo, data + 2, f2, min(data + 2 + EXTRACT_LE_16BITS(data), maxbuf), unicodestr); else - print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); + smb_print_data(ndo, data + 2, min(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2))); } return; trunc: @@ -805,9 +806,6 @@ print_smb(netdissect_options *ndo, ND_TCHECK(buf[9]); request = (buf[9] & 0x80) ? 0 : 1; - flags2 = EXTRACT_LE_16BITS(&buf[10]); - unicodestr = flags2 & 0x8000; - nterrcodes = flags2 & 0x4000; startbuf = buf; command = buf[4]; @@ -822,6 +820,11 @@ print_smb(netdissect_options *ndo, if (ndo->ndo_vflag < 2) return; + ND_TCHECK_16BITS(&buf[10]); + flags2 = EXTRACT_LE_16BITS(&buf[10]); + unicodestr = flags2 & 0x8000; + nterrcodes = flags2 & 0x4000; + /* print out the header */ smb_fdata(ndo, buf, fmt_smbheader, buf + 33, unicodestr); @@ -883,7 +886,7 @@ print_smb(netdissect_options *ndo, } else { if (bcc > 0) { ND_PRINT((ndo, "smb_buf[]=\n")); - print_data(ndo, data + 2, min(bcc, PTR_DIFF(maxbuf, data + 2))); + smb_print_data(ndo, data + 2, min(bcc, PTR_DIFF(maxbuf, data + 2))); } } } @@ -1164,10 +1167,12 @@ nbt_udp137_print(netdissect_options *ndo, p = smb_fdata(ndo, p, "Name=[n1]\n#", maxbuf, 0); if (p == NULL) goto out; + ND_TCHECK_16BITS(p); restype = EXTRACT_16BITS(p); p = smb_fdata(ndo, p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0); if (p == NULL) goto out; + ND_TCHECK_16BITS(p); rdlen = EXTRACT_16BITS(p); ND_PRINT((ndo, "ResourceLength=%d\nResourceData=\n", rdlen)); p += 2; @@ -1209,7 +1214,7 @@ nbt_udp137_print(netdissect_options *ndo, p += 2; } } else { - print_data(ndo, p, min(rdlen, length - (p - data))); + smb_print_data(ndo, p, min(rdlen, length - (p - data))); p += rdlen; } } @@ -1309,7 +1314,7 @@ out: /* print netbeui frames */ -struct nbf_strings { +static struct nbf_strings { const char *name; const char *nonverbose; const char *verbose; |