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Tuesday, December 29, 2020 Summary for 1.10.0 libpcap release Require, and assume, some level of C99 support in the C compiler Require Visual Studio 2015 or later if using Visual Studio Add support for capturing on DPDK devices rpcap: support rpcap-over-TLS Windows: report the system error for PacketSetHwFilter() failures Label most APIs by the first release in which they're available Add support for getting and setting packet time stamp types with Npcap Add pcap_init(), and add support for UTF-8 strings, including error messages, on Windows Improve man pages, including adding backward compatibility notes Fix configure script issues, including with libnl on Linux Fix CMake issues Squelch complaints from Bison about "%define api.pure" being deprecated Fix some memory leaks, including in pcap_compile() Linux: handle systems without AF_INET or AF_UNIX socket support Catch invalid IPv4 addresses in filters AIX: fix loading of BPF kernel extension rpcapd: fix core dumps with invalid configuration file Show special Linux BPF offsets symbolically in bpf_image() and bpf_dump() Add some overflow checks in the optimizer Add pcap_datalink_val_to_description_or_dlt() Windows: make the snapshot length work even if pcap_setfilter() isn't called Linux: get rid of Wireless Extensions for turning monitor mode on Handle the pcap private data in a fashion that makes fewer assumptions about memory layouts (might fix GitHub issue #940 on ARM) Fix "unknown ether proto 'aarp'" Fix some issues found by cppcheck. Linux: proper memory sync for PACKET_MMAP (may prevent GitHub issue #898) Remove undocumented and rather old "ether proto" protocols Fix some thread safety issues Windows: add pcap_handle(), and deprecate pcap_fileno() AirPcap: add AirPcap support in a module, rather than using WinPcap/Npcap's support for it Linux: drop support for libnl 1 and 2. Linux: Require PF_PACKET support, and kernel 2.6.27 or later Add DLT_LINUX_SLL2 Add a new filter "ifindex" for DLT_LINUX_SLL2 files and live Linux captures optimizer: add a hack to try to catch certain optimizer loops (should prevent GitHub issue #112) Probe CONFIGURATION descriptor of connected USB devices macOS: cope with getting EPWROFF from SIOCGIFMEDIA Linux: return error on interface going away, but not if it just went down Windows: fix compilation on Cygwin/MSYS Linux: set socket protocol only after packet ring configured, reducing bogus packet drop reports pcap_findalldevs(): don't sort interfaces by unit number Linux: get ifdrop stats from sysfs. Fix various security issues reported by Charles Smith at Tangible Security Fix various security issues reported by Include Security rpcapd: on UN*X, don't tell the client why authentication failed Linux: when adjusting BPF programs, do not subtract the SLL[2]_HDR_LEN if the location is negative (special metadata offset) Preserve references to metadata when adjusting the program; see https://github.com/the-tcpdump-group/tcpdump/issues/480#issuecomment-486827278 Always return a list of supported time-stamp types, even if only host time stamps are supported Linux: with a timeout of zero, wait indefinitely Linux: clean up support for some non-GNU libc C libraries Increase the maximum snaplen for LINKTYPE_USBPCAP/DLT_USBPCAP Fix handling of some ioctls that fail with "permission denied" even when the ioctl isn't supported at all Added support for ICMPv6 types 1-4 as tokens in filters Windows: Report PCAP_ERROR_NO_SUCH_DEVICE for a non-existent device Windows: return an appropriate error message for device removed or device unusable due to a suspend/resume BPF: treat both ENXIO (everybody but OpenBSD) and EIO (OpenBSD) as meaning "the interface was removed" BPF: report "the interface disappeared", not "the interface went down", if the interface was removed during a capture Linux, Windows: report a warning for unknown link-layer header types Create the file in pcap_dump_open_append() if it doesn't exist Linux, NPF: have pcap_breakloop() forcibly break out of a sleeping capture loop Report the DLT description in error messages Linux: Add support for DSA data link types Linux USB: use the snapshot length to set the buffer size, and set the len field to reflect the length in the URB (GitHub issue #808) rpcapd: allow rpcapd to rebind more rapidly (GitHub issue #765) Windows: clean up building DLL Fix compilation of pcap-tc.c Add Haiku pcap implementation Windows: handle CRT mismatch for pcap_dump_fopen() Windows: map NdisMediumWirelessWan to DLT_RAW rpcap: add some new authentication libpcap error codes for specific errors rpcap: redo protocol version negotiation to avoid problems with old servers (it still works with servers using the old negotiation, as well as servers not supporting negotiation) rpcap: error handling cleanups rpcapd: fix some inetd issues Don't assume ARM supports unaligned accesses Remove (unused) SITA support here. Correctly handle pcapng captures with more than one IDB with a snspshot length greater than the supported maximum Sunday, July 22, 2018 Summary for 1.9.1 libpcap release Mention pcap_get_required_select_timeout() in the main pcap man page Fix pcap-usb-linux.c build on systems with musl Fix assorted man page and other documentation issues Plug assorted memory leaks Documentation changes to use https: Changes to how time stamp calculations are done Lots of tweaks to make newer compilers happier and warning-free and to fix instances of C undefined behavior Warn if AC_PROG_CC_C99 can't enable C99 support Rename pcap_set_protocol() to pcap_set_protocol_linux(). Align pcap_t private data on an 8-byte boundary. Fix various error messages Use 64-bit clean API in dag_findalldevs() Fix cleaning up after some errors Work around some ethtool ioctl bugs in newer Linux kernels (GitHub issue #689) Add backwards compatibility sections to some man pages (GitHub issue #745) Fix autotool configuration on AIX and macOS Don't export bpf_filter_with_aux_data() or struct bpf_aux_data; they're internal-only and subject to change Fix pcapng block size checking On macOS, don't build rpcapd or test programs any fatter than they need to be Fix reading of capture statistics for Linux USB Fix packet size values for Linux USB packets (GitHub issue #808) Check only VID in VLAN test in filterss (GitHub issue #461) Fix pcap_list_datalinks on 802.11 devices on macOS Fix overflows with very large snapshot length in pcap file Improve parsing of rpcapd configuration file (GitHub issue #767) Handle systems without strlcpy() or strlcat() better Fix crashes and other errors with invalid filter expressions Fix use of uninitialized file descriptor in remote capture Fix some CMake issues Fix some divide-by-zero issues with the filter compiler Work around a GNU libc bug in pcap_nametonetaddr() Add support for DLT_LINUX_SLL2 Fix handling of the packet-count argument for Myricom SNF devices Fix --disable-rdma in configure script (GitHub issue #782) Fix compilation of TurboCap support (GitHub issue #764) Constify first argument to pcap_findalldevs_ex() Fix a number of issues when running rpcapd as an inetd-style daemon Fix CMake issues with D-Bus libraries In rpcapd, clean up termination of a capture session Redo remote capture protocol negotiation In rpcapd, report the same error for "invalid user name" and "invalid password", to make brute-forcing harder For remote captures, add an error code for "the server requires TLS" Fix pcap_dump_fopen() on Windows to avoid clashes between {Win,N}Pcap and application C runtimes Fix exporting of functions from Windows DLLs (GitHub issue #810) Fix building as part of Npcap Allow rpcapd to rebind more rapidly Fix building shared libpcap library on midipix (midipix.org) Fix hack to detect UTF-16LE adapter names on Windows not to go past the end of the string Fix handling of "wireless WAN" (mobile phone network modems) on Windows with WinPcap/Npcap (GitHub issue #824) Have pcap_dump_open_append() create the dump file if it doesn't exists (GitHub issue #247) Fix the maxmum snapshot length for DLT_USBPCAP Use -fPIC when building for 64-bit SPARC on Linux (GitHub issue #837) Fix CMake 64-bit library installation directory on some Linux distributions Boost the TPACKET_V3 timeout to the maximum if a timeout of 0 was specified Five CVE-2019-15161, CVE-2019-15162, CVE-2019-15163, CVE-2019-15164, CVE-2019-15165 Fixes for CVE-2018-16301, errors in pcapng reading. PCAPNG reader applies some sanity checks before doing malloc(). Sunday, June 24, 2018, by mcr@sandelman.ca Summary for 1.9.0 libpcap release Added testing system to libpcap, independent of tcpdump Changes to how pcap_t is activated Adding support for Large stream buffers on Endace DAG cards Changes to BSD 3-clause license to 2-clause licence Additions to TCP header parsing, per RFC3168 Add CMake build process (extensive number of changes) Assign a value for OpenBSD DLT_OPENFLOW. Support setting non-blocking mode before activating. Extensive build support for Windows VS2010 and MINGW (many many changes, over many months) Added RPCAPD support when --enable-remote (default no) Add the rpcap daemon source and build instructions. Put back the greasy "save the capture filter string so we can tweak it" hack, that keeps libpcap from capturing rpcap traffic. Fixes for captures on MacOS, utun0 fixes so that non-AF_INET addresses, are not ==AF_INET6 addresses. Add a linktype for IBM SDLC frames containing SNA PDUs. pcap_compile() in 1.8.0 and later is newly thread-safe. bound snaplen for linux tpacket_v2 to ~64k Make VLAN filter handle both metadata and inline tags D-Bus captures can now be up to 128MB in size Added LORATAP DLT value Added DLT_VSOCK for https://qemu-project.org/Features/VirtioVsock probe_devices() fixes not to overrun buffer for name of device Add linux-specific pcap_set_protocol_linux() to allow specifying a specific capture protocol. RDMA sniffing support for pcap Add Nordic Semiconductor Bluetooth LE sniffer link-layer header type. fixes for reading /etc/ethers Make it possible to build on Windows without packet.dll. Add tests for large file support on UN*X. Solaris fixes to work with 2.8.6 configuration test now looks for header files, not capture devices present Fix to work with Berkeley YACC. fixes for DragonBSD compilation of pcap-netmap.c Clean up the ether_hostton() stuff. Add an option to disable Linux memory-mapped capture support. Add DAG API support checks. Add Septel, Myricom SNF, and Riverbed TurboCap checks. Add checks for Linux USB, Linux Bluetooth, D-Bus, and RDMA sniffing support. Add a check for hardware time stamping on Linux. Don't bother supporting pre-2005 Visual Studio. Increased minimum autoconf version requirement to 2.64 Add DLT value 273 for XRA-31 sniffer Clean up handing of signal interrupts in pcap_read_nocb_remote(). Use the XPG 4.2 versions of the networking APIs in Solaris. Fix, and better explain, the "IPv6 means IPv6, not IPv4" option setting. Explicitly warn that negative packet buffer timeouts should not be used. rpcapd: Add support inetd-likes, including xinetd.conf, and systemd units Rename DLT_IEEE802_15_4 to DLT_IEEE802_15_4_WITHFCS. Add DISPLAYPORT AUX link type Remove the sunos4 kernel modules and all references to them. Add more interface flags to pcap_findalldevs(). Summary for 1.9.0 libpcap release (to 2017-01-25 by guy@alum.mit.edu) Man page improvements Fix Linux cooked mode userspace filtering (GitHub pull request #429) Fix compilation if IPv6 support not enabled Fix some Linux memory-mapped capture buffer size issues Don't fail if kernel filter can't be set on Linux (GitHub issue #549) Improve sorting of interfaces for pcap_findalldevs() Don't list Linux usbmon devices if usbmon module isn't loaded Report PCAP_ERROR_PERM_DENIED if no permission to open Linux usbmon devices Fix DLT_ type for Solaris IPNET devices Always return an error message for errors finding DAG or Myricom devices If possible, don't require that a device be openable when enumerating them for pcap_findalldevs() Don't put incompletely-initialized addresses in the address list for When finding Myricom devices, update description for regular interfaces that are Myricom devices and handle SNF_FLAGS=0x2(port aggregation enabled) Fix compilation error in DAG support Fix issues with CMake configuration Add support for stream buffers larger than 2GB on newer DAG cards Remove support for building against DAG versions without STREAMS support (before dag-3.0.0 2007) Tuesday, Oct. 25, 2016 mcr@sandelman.ca Summary for 1.8.1 libpcap release Add a target in Makefile.in for Exuberant Ctags use: 'extags'. Rename configure.in to configure.ac: autoconf 2.59 Clean up the name-to-DLT mapping table. Add some newer DLT_ values: IPMI_HPM_2,ZWAVE_R1_R2,ZWAVE_R3,WATTSTOPPER_DLM,ISO_14443,RDS Clarify what the return values are for both success and failure. Many changes to build on windows Check for the "break the loop" condition in the inner loop for TPACKET_V3. Fix handling of packet count in the TPACKET_V3 inner loop: GitHub issue #493. Filter out duplicate looped back CAN frames. Fix the handling of loopback filters for IPv6 packets. Add a link-layer header type for RDS (IEC 62106) groups. Use different intermediate folders for x86 and x64 builds on Windows. On Linux, handle all CAN captures with pcap-linux.c, in cooked mode. Removes the need for the "host-endian" link-layer header type. Compile with '-Wused-but-marked-unused' in devel mode if supported Have separate DLTs for big-endian and host-endian SocketCAN headers. Reflect version.h being renamed to pcap_version.h. Require that version.h be generated: all build procedures we support generate version.h (autoconf, CMake, MSVC)! Properly check for sock_recv() errors. Re-impose some of Winsock's limitations on sock_recv(). Replace sprintf() with pcap_snprintf(). Fix signature of pcap_stats_ex_remote(). Initial cmake support for remote packet capture. Have rpcap_remoteact_getsock() return a SOCKET and supply an "is active" flag. Clean up {DAG, Septel, Myricom SNF}-only builds. Do UTF-16-to-ASCII conversion into the right place. pcap_create_interface() needs the interface name on Linux. Clean up hardware time stamp support: the "any" device does not support any time stamp types. Add support for capturing on FreeBSD usbusN interfaces. Add a LINKTYPE/DLT_ value for FreeBSD USB. Go back to using PCAP_API on Windows. CMake support Add TurboCap support from WinPcap. Recognize 802.1ad nested VLAN tag in vlan filter. Thursday Sep. 3, 2015 guy@alum.mit.edu Summary for 1.7.5 libpcap release Man page cleanups. Add some allocation failure checks. Fix a number of Linux/ucLinux configure/build issues. Fix some memory leaks. Recognize 802.1ad nested VLAN tag in vlan filter. Fix building Bluetooth Linux Monitor support with BlueZ 5.1+ Saturday Jun. 27, 2015 mcr@sandelman.ca Summary for 1.7.4 libpcap release Include fix for GitHub issue #424 -- out of tree builds. Friday Apr. 10, 2015 guy@alum.mit.edu Summary for 1.7.3 libpcap release Work around a Linux bonding driver bug. Thursday Feb. 12, 2015 guy@alum.mit.edu/mcr@sandelman.ca Summary for 1.7.2 libpcap release Support for filtering Geneve encapsulated packets. Generalize encapsulation handling, fixing some bugs. Don't add null addresses to address lists. Add pcap_dump_open_append() to open for appending. Fix the swapping of isochronous descriptors in Linux USB. Attempt to handle TPACKET_V1 with 32-bit userland and 64-bit kernel. Wednesday Nov. 12, 2014 guy@alum.mit.edu/mcr@sandelman.ca Summary for 1.7.0 libpcap release Fix handling of zones for BPF on Solaris new DLT for ZWAVE clarifications for read timeouts. Use BPF extensions in compiled filters, fixing VLAN filters some fixes to compilation without stdint.h EBUSY can now be returned by SNFv3 code. Fix the range checks in BPF loads Various DAG fixes. Various Linux fixes. Monday Aug. 12, 2014 guy@alum.mit.edu Summary for 1.6.2 libpcap release Don't crash on filters testing a non-existent link-layer type field. Fix sending in non-blocking mode on Linux with memory-mapped capture. Fix timestamps when reading pcap-ng files on big-endian machines. Saturday Jul. 19, 2014 mcr@sandelman.ca Summary for 1.6.1 libpcap release some fixes for the any device changes for how --enable-XXX (--enable-sniffing, --enable-can) works Wednesday Jul. 2, 2014 mcr@sandelman.ca Summary for 1.6.0 libpcap release Don't support D-Bus sniffing on OS X fixes for byte order issues with NFLOG captures Handle using cooked mode for DLT_NETLINK in activate_new(). on platforms where you can not capture on down interfaces, do not list them but: do list interfaces which are down, if you can capture on them! Wednesday December 18, 2013 guy@alum.mit.edu Summary for 1.5.3 libpcap release Don't let packets that don't match the current filter get to the application when TPACKET_V3 is used. (GitHub issue #331) Fix handling of pcap_loop()/pcap_dispatch() with a packet count of 0 on some platforms (including Linux with TPACKET_V3). (GitHub issue #333) Work around TPACKET_V3 deficiency that causes packets to be lost when a timeout of 0 is specified. (GitHub issue #335) Man page formatting fixes. Wednesday December 4, 2013 guy@alum.mit.edu Summary for 1.5.2 libpcap release Fix libpcap to work when compiled with TPACKET_V3 support and running on a kernel without TPACKET_V3 support. (GitHub issue #329) Wednesday November 20, 2013 guy@alum.mit.edu Summary for 1.5.1 libpcap release Report an error, rather than crashing, if an IPv6 address is used for link-layer filtering. (Wireshark bug 9376) Wednesday October 30, 2013 guy@alum.mit.edu Summary for 1.5.0 libpcap release TPACKET_V3 support added for Linux Point users to the the-tcpdump-group repository on GitHub rather than the mcr repository Checks added for malloc()/realloc()/etc. failures Fixed build on Solaris 11 Support filtering E1 SS7 traffic on MTP2 layer Annex A Use "ln -s" to link man pages by default Add support for getting nanosecond-resolution time stamps when capturing and reading capture files Many changes to autoconf to deal better with non-GCC compilers added many new DLT types Saturday April 6, 2013 guy@alum.mit.edu Summary for 1.4.0 libpcap release Add netfilter/nfqueue interface. If we don't have support for IPv6 address resolution, support, in filter expressions, what IPv6 stuff we can. Fix pcap-config to include -lpthread if canusb support is present Try to fix "pcap_parse not defined" problems when --without-flex and --without-bison are used when you have Flex and Bison Fix some issues with the pcap_loop man page. Fix pcap_getnonblock() and pcap_setnonblock() to fill in the supplied error message buffer Fix typo that, it appeared, would cause pcap-libdlpi.c not to compile (perhaps systems with libdlpi also have BPF and use that instead) Catch attempts to call pcap_compile() on a non-activated pcap_t Fix crash on Linux with CAN-USB support without usbfs Fix addition of VLAN tags for Linux cooked captures Check for both EOPNOTSUPP and EINVAL after SIOCETHTOOL ioctl, so that the driver can report either one if it doesn't support SIOCETHTOOL Add DLT_INFINIBAND and DLT_SCTP Describe "proto XXX" and "protochain XXX" in the pcap-filter man page Handle either directories, or symlinks to directories, that correspond to interfaces in /sys/class/net Fix handling of VLAN tag insertion to check, on Linux 3.x kernels, for VLAN tag valid flag Clean up some man pages Support libnl3 as well as libnl1 and libnl2 on Linux Fix handling of Bluetooth devices on 3.x Linux kernels Friday March 30, 2012. mcr@sandelman.ca Summary for 1.3.0 libpcap release Handle DLT_PFSYNC in {FreeBSD, other *BSD+Mac OS X, other}. Linux: Don't fail if netfilter isn't enabled in the kernel. Add new link-layer type for NFC Forum LLCP. Put the CANUSB stuff into EXTRA_DIST, so it shows up in the release tarball. Add LINKTYPE_NG40/DLT_NG40. Add DLT_MPEG_2_TS/LINKTYPE_MPEG_2_TS for MPEG-2 transport streams. [PATCH] Fix AIX-3.5 crash with read failure during stress AIX fixes. Introduce --disable-shared configure option. Added initial support for canusb devices. Include the pcap(3PCAP) additions as 1.2.1 changes. many updates to documentation: pcap.3pcap.in Improve 'inbound'/'outbound' capture filters under Linux. Note the cleanup of handling of new DLT_/LINKTYPE_ values. On Lion, don't build for PPC. For mac80211 devices we need to clean up monitor mode on exit. Friday December 9, 2011. guy@alum.mit.edu. Summary for 1.2.1 libpcap release Update README file. Fix typos in README.linux file. Clean up some compiler warnings. Fix Linux compile problems and tests for ethtool.h. Treat Debian/kFreeBSD and GNU/Hurd as systems with GNU toolchains. Support 802.1 QinQ as a form of VLAN in filters. Treat "carp" as equivalent to "vrrp" in filters. Fix code generated for "ip6 protochain". Add some new link-layer header types. Support capturing NetFilter log messages on Linux. Clean up some error messages. Turn off monitor mode on exit for mac80211 interfaces on Linux. Fix problems turning monitor mode on for non-mac80211 interfaces on Linux. Properly fail if /sys/class/net or /proc/net/dev exist but can't be opened. Fail if pcap_activate() is called on an already-activated pcap_t, and add a test program for that. Fix filtering in pcap-ng files. Don't build for PowerPC on Mac OS X Lion. Simplify handling of new DLT_/LINKTYPE_ values. Expand pcap(3PCAP) man page. Sunday July 24, 2011. mcr@sandelman.ca. Summary for 1.2 libpcap release All of the changes listed below for 1.1.1 and 1.1.2. Changes to error handling for pcap_findalldevs(). Fix the calculation of the frame size in memory-mapped captures. Add a link-layer header type for STANAG 5066 D_PDUs. Add a link-layer type for a variant of 3GPP TS 27.010. Noted real nature of LINKTYPE_ARCNET. Add a link-layer type for DVB-CI. Fix configure-script discovery of VLAN acceleration support. see https://netoptimizer.blogspot.com/2010/09/tcpdump-vs-vlan-tags.html Linux, HP-UX, AIX, NetBSD and OpenBSD compilation/conflict fixes. Protect against including AIX 5.x's <net/bpf.h> having been included. Add DLT_DBUS, for raw D-Bus messages. Treat either EPERM or EACCES as "no soup for you". Changes to permissions on DLPI systems. Add DLT_IEEE802_15_4_NOFCS for 802.15.4 interfaces. Fri. August 6, 2010. guy@alum.mit.edu. Summary for 1.1.2 libpcap release Return DLT_ values, not raw LINKTYPE_ values from pcap_datalink() when reading pcap-ng files Add support for "wlan ra" and "wlan ta", to check the RA and TA of WLAN frames that have them Don't crash if "wlan addr{1,2,3,4}" are used without 802.11 headers Do filtering on USB and Bluetooth capturing On FreeBSD/SPARC64, use -fPIC - it's apparently necessary Check for valid port numbers (fit in a 16-bit unsigned field) in "port" filters Reject attempts to put savefiles into non-blocking mode Check for "no such device" for the "get the media types" ioctl in *BSD Improve error messages from bpf_open(), and let it do the error handling Return more specific errors from pcap_can_set_rfmon(); fix documentation Update description fetching code for FreeBSD, fix code for OpenBSD Ignore /sys/net/dev files if we get ENODEV for them, not just ENXIO; fixes handling of bonding devices on Linux Fix check for a constant 0 argument to BPF_DIV Use the right version of ar when cross-building Free any filter set on a savefile when the savefile is closed Include the CFLAGS setting when configure was run in the compiler flags Add support for 802.15.4 interfaces on Linux Thu. April 1, 2010. guy@alum.mit.edu. Summary for 1.1.1 libpcap release Update CHANGES to reflect more of the changes in 1.1.0. Fix build on RHEL5. Fix shared library build on AIX. Thu. March 11, 2010. ken@netfunctional.ca/guy@alum.mit.edu. Summary for 1.1.0 libpcap release Add SocketCAN capture support Add Myricom SNF API support Update Endace DAG and ERF support Add support for shared libraries on Solaris, HP-UX, and AIX Build, install, and un-install shared libraries by default; don't build/install shared libraries on platforms we don't support Fix building from a directory other than the source directory Fix compiler warnings and builds on some platforms Update config.guess and config.sub Support monitor mode on mac80211 devices on Linux Fix USB memory-mapped capturing on Linux; it requires a new DLT_ value On Linux, scan /sys/class/net for devices if we have it; scan it, or /proc/net/dev if we don't have /sys/class/net, even if we have getifaddrs(), as it'll find interfaces with no addresses Add limited support for reading pcap-ng files Fix BPF driver-loading error handling on AIX Support getting the full-length interface description on FreeBSD In the lexical analyzer, free up any addrinfo structure we got back from getaddrinfo(). Add support for BPF and libdlpi in OpenSolaris (and SXCE) Hyphenate "link-layer" everywhere Add /sys/kernel/debug/usb/usbmon to the list of usbmon locations In pcap_read_linux_mmap(), if there are no frames available, call poll() even if we're in non-blocking mode, so we pick up errors, and check for the errors in question. Note that poll() works on BPF devices is Snow Leopard If an ENXIO or ENETDOWN is received, it may mean the device has gone away. Deal with it. For BPF, raise the default capture buffer size to from 32k to 512k Support ps_ifdrop on Linux Added a bunch of #ifdef directives to make wpcap.dll (WinPcap) compile under cygwin. Changes to Linux mmapped captures. Fix bug where create_ring would fail for particular snaplen and buffer size combinations Update pcap-config so that it handles libpcap requiring additional libraries Add workaround for threadsafeness on Windows Add missing mapping for DLT_ENC <-> LINKTYPE_ENC DLT: Add DLT_CAN_SOCKETCAN DLT: Add Solaris ipnet Don't check for DLT_IPNET if it's not defined Add link-layer types for Fibre Channel FC-2 Add link-layer types for Wireless HART Add link-layer types for AOS Add link-layer types for DECT Autoconf fixes (AIX, HP-UX, OSF/1, Tru64 cleanups) Install headers unconditionally, and include vlan.h/bluetooth.h if enabled Autoconf fixes+cleanup Support enabling/disabling bluetooth (--{en,dis}able-bluetooth) Support disabling SITA support (--without-sita) Return -1 on failure to create packet ring (if supported but creation failed) Fix handling of 'any' device, so that it can be opened, and no longer attempt to open it in Monitor mode Add support for snapshot length for USB Memory-Mapped Interface Fix configure and build on recent Linux kernels Fix memory-mapped Linux capture to support pcap_next() and pcap_next_ex() Fixes for Linux USB capture DLT: Add DLT_LINUX_EVDEV DLT: Add DLT_GSMTAP_UM DLT: Add DLT_GSMTAP_ABIS Mon. October 27, 2008. ken@netfunctional.ca. Summary for 1.0.0 libpcap release Compile with IPv6 support by default Compile with large file support on by default Add pcap-config script, which deals with -I/-L flags for compiling DLT: Add IPMB DLT: Add LAPD DLT: Add AX25 (AX.25 w/KISS header) DLT: Add JUNIPER_ST 802.15.4 support Variable length 802.11 header support X2E data type support SITA ACN Interface support - see README.sita Support for memory-mapped capture on Linux Support for zerocopy BPF on platforms that support it Support for setting buffer size when opening devices Support for setting monitor mode when opening 802.11 devices Better support for dealing with VLAN tagging/stripping on Linux Fix dynamic library support on OSX Return PCAP_ERROR_IFACE_NOT_UP if the interface isn't 'UP', so applications can print better diagnostic information Return PCAP_ERROR_PERM_DENIED if we don't have permission to open a device, so applications can tell the user they need to go play with permissions On Linux, ignore ENETDOWN so we can continue to capture packets if the interface goes down and comes back up again. On Linux, support new tpacket frame headers (2.6.27+) On Mac OS X, add scripts for changing permissions on /dev/bpf* and launchd plist On Solaris, support 'passive mode' on systems that support it Fixes to autoconf and general build environment Man page reorganization + cleanup Autogenerate VERSION numbers better Mon. September 10, 2007. ken@xelerance.com. Summary for 0.9.8 libpcap release Change build process to put public libpcap headers into pcap subir DLT: Add value for IPMI IPMB packets DLT: Add value for u10 Networks boards Require <net/pfvar.h> for pf definitions - allows reading of pflog formatted libpcap files on an OS other than where the file was generated Wed. April 25, 2007. ken@xelerance.com. Summary for 0.9.6 libpcap release Put the public libpcap headers into a pcap subdirectory in both the source directory and the target include directory, and have include files at the top-level directory to include those headers, for backwards compatibility. Add Bluetooth support Add USB capturing support on Linux Add support for the binary USB sniffing interface in Linux Add support for new FreeBSD BIOCSDIRECTION ioctl Add additional filter operations for 802.11 frame types Add support for filtering on MTP2 frame types Propagate some changes from the main branch, so the x.9 branch has all the DLT_ and LINKTYPE_ values that the main branch does Reserved a DLT_ and SAVEFILE_ value for PPI (Per Packet Info) encapsulated packets Add LINKTYPE_ for IEEE 802.15.4, with address fields padded as done by Linux drivers Add LINKTYPE_ value corresponding to DLT_IEEE802_16_MAC_CPS. Add DLT for IEEE 802.16 (WiMAX) MAC Common Part Sublayer Add DLT for Bluetooth HCI UART transport layer When building a shared library, build with "-fPIC" on Linux to support x86_64 Link with "$(CC) -shared" rather than "ld -shared" when building a ".so" shared library Add support for autoconf 2.60 Fixes to discard unread packets when changing filters Changes to handle name changes in the DAG library resulting from switching to libtool. Add support for new DAG ERF types. Add an explicit "-ldag" when building the shared library, so the DAG library dependency is explicit. Mac OSX fixes for dealing with "wlt" devices Fixes in add_or_find_if() & pcap_findalldevs() to optimize generating device lists Fixed a bug in pcap_open_live(). The return value of PacketSetHwFilter was not checked. Tue. September 19, 2006. ken@xelerance.com. Summary for 0.9.5 libpcap release Support for LAPD frames with vISDN Support for ERF on channelized T1/E1 cards via DAG API Fix capitalization that caused issues crossc compiling on Linux Better failure detection on PacketGetAdapterNames() Fixes for MPLS packet generation (link layer) OP_PACKET now matches the beginning of the packet, instead of beginning+link-layer Add DLT/LINKTYPE for carrying FRF.16 Multi-link Frame Relay Fix allocation of buffer for list of link-layer types Added a new DLT and LINKTYPE value for ARINC 653 Interpartition Communication Messages Fixed a typo in a DLT value: it should start with DLT_ and not LINKTYPE_ Redefined DLT_CAN20B and LINKTYPE_CAN20B as #190 (as this is the right value for CAN). Added definition for DLT_A429 and LINKTYPE_A429 as #184. Added a new DLT and LINKTYPE value for CAN v2.0B frames. Add support for DLT_JUNIPER_VP. Don't double-count received packets on Linux systems that support the PACKET_STATISTICS getsockopt() argument on PF_PACKET sockets. Add support for DLT_IEEE802_11 and DLT_IEEE802_11_RADIO link layers in Windows Add support to build libpcap.lib and wpcap.dll under Cygnus and MingW32. Mon. September 5, 2005. ken@xelerance.com. Summary for 0.9.4 libpcap release Support for radiotap on Linux (Mike Kershaw) Fixes for HP-UX Support for additional Juniper link-layer types Fixes for filters on MPLS-encapsulated packets "vlan" filter fixed "pppoed" and "pppoes" filters added; the latter modifies later parts of the filter expression to look at the PPP headers and headers in the PPP payload Tue. July 5, 2005. ken@xelerance.com. Summary for 0.9.3 libpcap release Fixes for compiling on nearly every platform, including improved 64bit support MSDOS Support Add support for sending packets OpenBSD pf format support IrDA capture (Linux only) Tue. March 30, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.3 release Fixed minor problem in gencode.c that would appear on 64-bit platforms. Version number is now sane. Mon. March 29, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.2 release updates for autoconf 2.5 fixes for ppp interfaces for freebsd 4.1 pcap gencode can generate code for 802.11, IEEE1394, and pflog. Wed. November 12, 2003. mcr@sandelman.ottawa.on.ca. Summary for 0.8 release added pcap_findalldevs() Win32 patches from NetGroup, Politecnico di Torino (Italy) OpenBSD pf, DLT_PFLOG added Many changes to ATM support. lookup pcap_lookupnet() Added DLT_ARCNET_LINUX, DLT_ENC, DLT_IEEE802_11_RADIO, DLT_SUNATM, DLT_IP_OVER_FC, DLT_FRELAY, others. Sigh. More AIX wonderfulness. Document updates. Changes to API: pcap_next_ex(), pcap_breakloop(), pcap_dump_flush(), pcap_list_datalinks(), pcap_set_datalink(), pcap_lib_version(), pcap_datalink_val_to_name(), pcap_datalink_name_to_val(), new error returns. Tuesday, February 25, 2003. fenner@research.att.com. 0.7.2 release Support link types that use 802.2 always, never, and sometimes. Don't decrease the size of the BPF buffer from the default. Support frame relay. Handle 32-bit timestamps in DLPI, and pass the right buffer size. Handle Linux systems with modern kernel but without SOL_PACKET in the userland headers. Linux support for ARPHRD_RAWHDLC. Handle 32-bit timestamps in snoop. Support eg (Octane/O2xxx/O3xxx Gigabit) devices. Add new reserved DLT types. Monday October 23, 2001. mcr@sandelman.ottawa.on.ca. Summary for 0.7 release Added pcap_findalldevs() call to get list of interfaces in a MI way. pcap_stats() has been documented as to what its counters mean on each platform. Tuesday January 9, 2001. guy@alum.mit.edu. Summary for 0.6 release New Linux libpcap implementation, which, in 2.2 and later kernels, uses PF_PACKET sockets and supports kernel packet filtering (if compiled into the kernel), and supports the "any" device for capturing on all interfaces. Cleans up promiscuous mode better on pre-2.2 kernels, and has various other fixes (handles 2.4 ARPHRD_IEEE802_TR, handles ISDN devices better, doesn't show duplicate packets on loopback interface, etc.). Fixed HP-UX libpcap implementation to correctly get the PPA for an interface, to allow interfaces to be opened by interface name. libpcap savefiles have system-independent link-layer type values in the header, rather than sometimes platform-dependent DLT_ values, to make it easier to exchange capture files between different OSes. Non-standard capture files produced by some Linux tcpdumps, e.g. the one from Red Hat Linux 6.2 and later, can now be read. Updated autoconf stock files. Filter expressions can filter on VLAN IDs and various OSI protocols, and work on Token Ring (with non-source-routed packets). "pcap_open_dead()" added to allow compiling filter expressions to pcap code without opening a capture device or capture file. Header files fixed to allow use in C++ programs. Removed dependency on native headers for packet layout. Removed Linux specific headers that were shipped. Security fixes: Strcpy replaced with strlcpy, sprintf replaced with snprintf. Fixed bug that could cause subsequent "pcap_compile()"s to fail erroneously after one compile failed. Assorted other bug fixes. README.aix and README.linux files added to describe platform-specific issues. "getifaddrs()" rather than SIOCGIFCONF used, if available. v0.5 Sat Jun 10 11:09:15 PDT 2000 itojun@iijlab.net - Brought in KAME IPv6/IPsec bpf compiler. - Fixes for NetBSD. - Support added for OpenBSD DLT_LOOP and BSD/OS DLT_C_HDLC (Cisco HDLC), and changes to work around different BSDs having different DLT_ types with the same numeric value. Assar Westerlund <assar@sics.se> - Building outside the source code tree fixed. - Changed to write out time stamps with 32-bit seconds and microseconds fields, regardless of whether those fields are 32 bits or 64 bits in the OS's native "struct timeval". - Changed "pcap_lookupdev()" to dynamically grow the buffer into which the list of interfaces is read as necessary in order to hold the entire list. Greg Troxel <gdt@ir.bbn.com> - Added a new "pcap_compile_nopcap()", which lets you compile a filter expression into a BPF program without having an open live capture or capture file. v0.4 Sat Jul 25 12:40:09 PDT 1998 - Fix endian problem with DLT_NULL devices. From FreeBSD via Bill Fenner (fenner@parc.xerox.com) - Fix alignment problem with FDDI under DLPI. This was causing core dumps under Solaris. - Added configure options to disable flex and bison. Resulted from a bug report by barnett@grymoire.crd.ge.com (Bruce Barnett). Also added options to disable gcc and to force a particular packet capture type. - Added support for Fore ATM interfaces (qaa and fa) under IRIX. Thanks to John Hawkinson (jhawk@mit.edu) - Change Linux PPP and SLIP to use DLT_RAW since the kernel does not supply any "link layer" data. - Change Linux to use SIOCGIFHWADDR ioctl to determine link layer type. Thanks to Thomas Sailer (sailer@ife.ee.ethz.ch) - Change IRIX PPP to use DLT_RAW since the kernel does not supply any "link layer" data. - Modified to support the new BSD/OS 2.1 PPP and SLIP link layer header formats. - Added some new SGI snoop interface types. Thanks to Steve Alexander (sca@refugee.engr.sgi.com) - Fixes for HP-UX 10.20 (which is similar to HP-UX 9). Thanks to Richard Allen (ra@hp.is) and Steinar Haug (sthaug@nethelp.no) - Fddi supports broadcast as reported by Jeff Macdonald (jeff@iacnet.com). Also correct ieee802 and arcnet. - Determine Linux pcap buffer size at run time or else it might not be big enough for some interface types (e.g. FDDI). Thanks to Jes Sorensen (Jes.Sorensen@cern.ch) - Fix some linux alignment problems. - Document promisc argument to pcap_open_live(). Reported by Ian Marsh (ianm@sics.se) - Support Metricom radio packets under Linux. Thanks to Kevin Lai (laik@gunpowder.stanford.edu) - Bind to interface name under Linux to avoid packets from multiple interfaces on multi-homed hosts. Thanks to Kevin Lai (laik@gunpowder.stanford.edu) - Change L_SET to SEEK_SET for HP-UX. Thanks to Roland Roberts (rroberts@muller.com) - Fixed an uninitialized memory reference found by Kent Vander Velden (graphix@iastate.edu) - Fixed lex pattern for IDs to allow leading digits. As reported by Theo de Raadt (deraadt@cvs.openbsd.org) - Fixed Linux include file problems when using GNU libc. - Ifdef ARPHRD_FDDI since not all versions of the Linux kernel have it. Reported reported by Eric Jacksch (jacksch@tenebris.ca) - Fixed bug in pcap_dispatch() that kept it from returning on packet timeouts. - Changed ISLOOPBACK() macro when IFF_LOOPBACK isn't available to check for "lo" followed by an eos or digit (newer versions of Linux apparently call the loopback "lo" instead of "lo0"). - Fixed Linux networking include files to use ints instead of longs to avoid problems with 64 bit longs on the alpha. Thanks to Cristian Gafton (gafton@redhat.com) v0.3 Sat Nov 30 20:56:27 PST 1996 - Added Linux support. - Fixed savefile bugs. - Solaris x86 fix from Tim Rylance (t.rylance@elsevier.nl) - Add support for bpf kernel port filters. - Remove duplicate atalk protocol table entry. Thanks to Christian Hopps (chopps@water.emich.edu) - Fixed pcap_lookupdev() to ignore nonexistent devices. This was reported to happen under BSD/OS by David Vincenzetti (vince@cryptonet.it) - Avoid solaris compiler warnings. Thanks to Bruce Barnett (barnett@grymoire.crd.ge.com) v0.2.1 Sun Jul 14 03:02:26 PDT 1996 - Fixes for HP-UX 10. Thanks in part to Thomas Wolfram (wolf@prz.tu-berlin.de) and Rick Jones (raj@hpisrdq.cup.hp.com) - Added support for SINIX. Thanks to Andrej Borsenkow (borsenkow.msk@sni.de) - Fixes for AIX (although this system is not yet supported). Thanks to John Hawkinson (jhawk@mit.edu) - Use autoconf's idea of the top level directory in install targets. Thanks to John Hawkinson. - Add missing autoconf packet capture result message. Thanks to Bill Fenner (fenner@parc.xerox.com) - Fixed padding problems in the pf module. - Fixed some more alignment problems on the alpha. - Added explicit netmask support. Thanks to Steve Nuchia (steve@research.oknet.com) - Fixed to handle raw ip addresses such as 0.0.0.1 without "left justifing" - Add "sca" keyword (for DEC cluster services) as suggested by Terry Kennedy (terry@spcvxa.spc.edu) - Add "atalk" keyword as suggested by John Hawkinson. - Add "igrp" keyword. - Fixed HID definition in grammar.y to be a string, not a value. - Use $CC when checking gcc version. Thanks to Carl Lindberg (carl_lindberg@blacksmith.com) - Removed obsolete reference to pcap_immediate() from the man page. Michael Stolarchuk (mts@terminator.rs.itd.umich.edu) - DLT_NULL has a 4 byte family header. Thanks to Jeffrey Honig (jch@bsdi.com) v0.2 Sun Jun 23 02:28:42 PDT 1996 - Add support for HP-UX. Resulted from code contributed by Tom Murray (tmurray@hpindck.cup.hp.com) and Philippe-Andri Prindeville (philipp@res.enst.fr) - Update INSTALL with a reminder to install include files. Thanks to Mark Andrews (mandrews@aw.sgi.com) - Fix bpf compiler alignment bug on the alpha. - Use autoconf to detect architectures that can't handle misaligned accesses. - Added loopback support for snoop. Resulted from report Steve Alexander (sca@engr.sgi.com) v0.1 Fri Apr 28 18:11:03 PDT 1995 - Fixed compiler and optimizer bugs. The BPF filter engine uses unsigned comparison operators, while the code generator and optimizer assumed signed semantics in several places. Thanks to Charlie Slater (cslater@imatek.com) for pointing this out. - Removed FDDI ifdef's, they aren't really needed. Resulted from report by Gary Veum (veum@boa.gsfc.nasa.gov). - Add pcap-null.c which allows offline use of libpcap on systems that don't support live package capture. This feature resulting from a request from Jan van Oorschot (j.p.m.voorschot@et.tudelft.nl). - Make bpf_compile() reentrant. Fix thanks to Pascal Hennequin (Pascal.Hennequin@hugo.int-evry.fr). - Port to GNU autoconf. - Fix pcap-dlpi.c to work with isdn. Resulted from report by Flemming Johansen (fsj@csd.cri.dk). - Handle multi-digit interface unit numbers (aka ppa's) under dlpi. Resulted from report by Daniel Ehrlich (ehrlich@cse.psu.edu). - Fix pcap-dlpi.c to work in non-promiscuous mode. Resulted from report by Jeff Murphy (jcmurphy@acsu.buffalo.edu). - Add support for "long jumps". Thanks to Jeffrey Mogul (mogul@pa.dec.com). - Fix minor problems when compiling with BDEBUG as noticed by Scott Bertilson (scott@unet.umn.edu). - Declare sys_errlist "const char *const" to avoid problems under FreeBSD. Resulted from report by jher@eden.com. v0.0.6 Fri Apr 28 04:07:13 PDT 1995 - Add missing variable declaration missing from 0.0.6 v0.0.5 Fri Apr 28 00:22:21 PDT 1995 - Workaround for problems when pcap_read() returns 0 due to the timeout expiring. v0.0.4 Thu Apr 20 20:41:48 PDT 1995 - Change configuration to not use gcc v2 flags with gcc v1. - Fixed a bug in pcap_next(); if pcap_dispatch() returns 0, pcap_next() should also return 0. Thanks to Richard Stevens (rstevens@noao.edu). - Fixed configure to test for snoop before dlpi to avoid problems under IRIX 5. Thanks to J. Eric Townsend (jet@abulafia.genmagic.com). - Hack around deficiency in Ultrix's make. - Fix two bugs related to the Solaris pre-5.3.2 bufmod bug; handle savefiles that have more than snapshot bytes of data in them (so we can read old savefiles) and avoid writing such files. - Added checkioctl which is used with gcc to check that the "fixincludes" script has been run. v0.0.3 Tue Oct 18 18:13:46 PDT 1994 - Fixed configure to test for snoop before dlpi to avoid problems under IRIX 5. Thanks to J. Eric Townsend (jet@abulafia.genmagic.com). v0.0.2 Wed Oct 12 20:56:37 PDT 1994 - Implement timeout in the dlpi pcap_open_live(). Thanks to Richard Stevens. - Determine pcap link type from dlpi media type. Resulted from report by Mahesh Jethanandani (mahesh@npix.com). v0.0.1 Fri Jun 24 14:50:57 PDT 1994 - Fixed bug in nit_setflags() in pcap-snit.c. The streams ioctl timeout wasn't being initialized sometimes resulting in an "NIOCSFLAGS: Invalid argument" error under OSF/1. Reported by Matt Day (mday@artisoft.com) and Danny Mitzel (dmitzel@whitney.hitc.com). - Turn on FDDI support by default. v0.0 Mon Jun 20 19:20:16 PDT 1994 - Initial release. - Fixed bug with greater/less keywords, reported by Mark Andrews (mandrews@alias.com). - Fix bug where '|' was defined as BPF_AND instead of BPF_OR, reported by Elan Amir (elan@leeb.cs.berkeley.edu). - Machines with little-endian byte ordering are supported thanks to Jeff Mogul. - Add hack for version 2.3 savefiles which don't have caplen and len swapped thanks to Vern Paxson. - Added "&&" and "||" aliases for "and" and "or" thanks to Vern Paxson. - Added length, inbound and outbound keywords.
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