* bugfix: correct SCAMPER_DL_IS_ICMP_TIME_REPLY macro so that scamper
does not ignore ICMP replies quoting TCP/UDP packets for 1/256
source port values.
* bugfixes for -O icmp-rxerr: handle EPOLLERR on linux, try using
IPV6_RECVHOPLIMIT before IPV6_HOPLIMIT for IPv6 udp probing.
* bugfix: fix possible assertions in dealias, trace, and tracelb code.
* ping: count UDP replies as from the target
* trace: correct datalink timestamp adjustments
* add more specific error messages when a scamper command is not
accepted, return them over control socket or terminal, as appropriate.
* scamper_fd_t: refactor fd_addr, fd_sport, fd_dl, fd_ifindex
* scamper_fd_t: decouple udp4raw/udp4dg from each other. use udp4dg
and udp6 sockets in udpprobe primitive, rather than have each
udpprobe task create its own socket.
* scamper_fd_t: add methods that return an available open socket for
probing a given destination without blocking if another task is
probing the same destination. use this with ping -F 0 and trace -s 0,
instead of generating random port values, so that scamper opens
the minimum number of file descriptors.
* ping and trace: have -O dl mean to capture transmit and receive
timestamps from a datalink interface. add -O raw option so that
IPv4 TCP probes can be transmitted over a raw socket, to allow transmitted
TCP packets to be observed on the datalink interface.
* add memory-mapped ring buffer support (PACKET_RX_RING) for receiving
packets on datalink sockets on Linux. enable at scamper runtime
with -O ring. contributed by Alistair King.
## python module:
* generate module .c with Cython 0.29.37, to enable module to compile
with Python 3.11.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=64
* scamper
* fix regression in 20240117 where trace -W 0 (probe as soon as
there's a response) was not accepted, despite being the default.
add unit test for this.
* for trace, improve probe and reply matching of UDP packets
* fix printing UDP responses to traceroute probes in scamper -O text output
* for trace section of scamper.1 man page, document -O const-payload,
and expand documentation for -O dl.
* python module:
* ship scamper release with a the C source code pre-generated for the
python module, so that the build process does not require a cython
installation. bootstrap.pl will build the C source code unless told
not to via --without-cython
* rename ScamperPing.reply_count to ScamperPing.stop_count, as the
reply_count attribute meant something different on a ScamperPing
object than what it means with ScamperDealiasProbe, etc
* sc_remoted:
* expand sc_remoted.1 manual page with information about validating
scamper client TLS certificates, and how to use -M monitor-name.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=61
- scamper:
- fix crashes if a task is provided an apparent response, but the task
- has not yet sent a packet in ping, sting, tbit, trace, tracelb.
- find and fix memory leaks in measurement command parsing code via
- fuzzing.
- add udpprobe, http, dealias -m midarest, and dealias -m midardisc methods.
- udpprobe and http do not currently have json output methods.
- remove -d dport, -s sport, and -t ttl dealias parameters. these
- were only valid for mercator, and can be specified in a probedef instead.
- record size of responses for dealias probes.
- modify all commands to be able to take human-friendly wait parameters --
- e.g. trace -W 0.5s or trace -W 500ms instead of trace -W 50000.
- support transmitting raw packets on linux ppp interfaces
- add -b payload-size parameter to ping
- python interface:
- add python interface to most of scamper. building this module requires
- cython < 3.0. to build, use something like:
- PYTHON=/path/to/python CYTHON=/path/to/cython ./configure --with-python
- the documentation for this interface is available at
- https://www.caida.org/catalog/software/scamper/python/
- the ubuntu PPA provides python3-scamper, and the FreeBSD port should
- hopefully provide py-scamper shortly. these sources may be useful
- for getting the module packaged for other operating systems.
- https://launchpad.net/~matthewluckie/+archive/ubuntu/scamper
- libscamperfile and libscamperctrl:
- improvements, bump versions
- tests:
- many new unit tests and fuzzing cradles for scamper components
- sc_pinger:
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=58
- scamper:
* fix compile-on-windows support; use icmp-echo probes instead of UDP
probes for traceroute on windows; provide "attach" support on
windows.
* fix compile-on-FreeBSD-15+ where pf firewall does not have
DIOCGETSTATUS ioctl
* in scamper's remote control (-R option), fix file descriptor leak
when unable to reconnect to the remote controller.
* add --disable-scamper-trace --disable-scamper-ping
--disable-scamper-tracelb --disable-scamper-dealias
--disable-scamper-tbit --disable-scamper-sting
--disable-scamper-sniff --disable-scamper-host configure options
to build scamper without specific measurement capabilities.
- sc_attach:
* add windows support
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=54
* configure:
* better tests for zlib, libbz2, and liblzma that check for both
libraries and headers.
* change --with-sc_uptime, --with-sc_hoiho, and --with-tests to be
--enable-sc_uptime, --enable-sc_hoiho, and --enable-tests
* disable maintainer mode, pass foreign to AM_INIT_AUTOMAKE
* scamper:
* remove reading regular files from poll/select/epoll/kqueue path,
which fixes reading regular input files (-f option to scamper) using
epoll or kqueue
* fix reading stdin as input (-f option to scamper) when using
epoll (catch EPOLLHUP)
* add DNS server to host signature, add host path for scamper_task_find
* rework scamper_osinfo to work with malformed release names (uname -r)
* dealias: do not crash on malformed prefixscan and bump commands
* dealias: fix memory leak of probedefs on malformed commands
* sting: fix memory leak of recorded packets
* remove tsps input method (-O tsps option to scamper)
* update manual page
* libscamperctrl:
* link against list.o and splaytree.o so that the library is self-contained
* fix memory leak when task is not accepted
* API improvements
* libscamperfile:
* fix memory leak when reading SOA/MX from warts file
* fix memory leak when reading PMTUD traceroute structures from warts file
* sting: fix memory leak of recorded packets
* sc_analysis_dump, sc_warts2pcap, sc_wartscat, sc_wartsfilter:
* link against list.o/utils.o so that these utilities are not reliant on
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=50
* HEADSUP: if you previously used -e pidfile to record the pid of a
running scamper process, there is a good chance that the pidfile is
owned by root. scamper now attempts to write this file using the uid
that started scamper, and will not be able to write it if scamper is
not started by root (it should not be, rather the scamper binary
should be setuid root). Please delete the existing pidfile, or change
its ownership, prior to restarting scamper, or scamper will not start.
* scamper:
* write a process ID that the user that started scamper can kill
in the pidfile when using privsep.
* when using privsep, exit the unprivileged process if the privileged
process exits (is killed)
* run as real uid from the start of scamper, for both privsep and
not-privsep.
* fix bug where attempting to open an unsupported datalink would
leave a freed scamper_fd_t in the fd_tree and fd_list, leading to
a crash.
* fix double free triggered when a user provides an invalid dealias
command.
* fix memory leak if the payload was specified twice to ping or trace
* rework pollfunc selection logic, use kqueue/epoll by default.
* remove _malloc_options = "AJ" as this only works on unsupported
versions of FreeBSD.
* add additional paramaters to attach command to allow the user
to override list and cycle parameters, documented in manual page.
* catch EAGAIN/EINTR from select/kqueue/epoll to allow gdb to attach
and detach without flagging errors.
* for DNS replies for host command, record reply flags and rcode.
* add support for SOA and NS queries in host.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=47
- scamper:
* use a random source port / ICMP ID in trace if -s 0.
* better parallelize pings to a single destination that use
udp-dport, tcp-ack-sport, or tcp-syn-sport probe methods.
* document default value of source port consistently for all
measurements that take a source port parameter in the man page.
- sc_wartscat:
* print useful error messages when encountering an error.
* add ability to merge neighbourdisc, tbit, sting, sniff, and host.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=45
- scamper:
- allow multiple parallel measurements to the same destination,
- provided the measurements have probe signatures that scamper can
- distinguish.
- return the associated task ID with each DATA blob in control socket.
- this task ID matches the ID returned in an OK when scamper accepted
- the task.
- in ping, only compute delay statistics on responses from destination.
- in ping, allow timeout to be expressed in fractions of a second.
- libscamperfile:
- support reading gz-compressed warts files.
- libscamperctrl:
- add libscamperctrl, a library to interact with a collection of
- scamper instances.
- modify sc_ally, sc_filterpolicy, sc_prefixscan, sc_speedtrap, and
- sc_pinger to use this library.
- this library is likely to evolve. current behaviour is documented
- in libscamperctrl manual page.
- misc:
- improve sc_wartsfilter manual page with examples.
- add remote control socket support to sc_pinger.
- fix kqueue/epoll loop in sc_remoted.
- consistently use size_t throughout when counting number of items.
- build without warnings using -Wextra -Wno-unused-parameter.
- improvements through adding function attributes to printf-like
- functions.
- deorbit some unused functions from utils.c.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=43
- scamper:
* gracefully handle situations where there is no
/etc/resolv.conf, or no nameserver lines in an /etc/resolv.conf
but a measurement or scamper-internal task wants to resolve a
name
* tidy up buggy prinf-like statements in scamper and some drivers.
- warts/json:
* in JSON output for ping, print the TCP/UDP src/dst ports or
ICMP id/seq used in individual probe packets,
* fix regression in libscamperfile so that it can read old warts
files.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=41
* add an option (-O cafile=/path/to/file) to load CA certificates
from a specific file when starting scamper for validating a
remote controller's certificate (this was released in 20211212a)
* add options
-O client-certfile=/path/to/certfile and
-O client-privfile=/path/to/privfile
to have scamper present a client certificate during a TLS handshake
with a remote controller
* fix bugs that prevent scamper from reconnecting to a remote
controller
* fix -d debugfile when scamper is built with privilege separation
* fix bug when writing neighbordisc measurements to warts file that
prevents a neighbordisc measurement from being read
* fix bug when reading some tracelb measurements with unresponsive hops
from a warts file
* allow user to specify fractions of a second to ping timeout (-W)
* use a random source port / ICMP ID in ping if -F 0
- sc_remoted:
* add -C option to specify a CA PEM file to verify client certificates
presented by scamper instances.
* add -O skipnameverification option to tell sc_remoted to verify
scamper presents a certificate signed by the CA, but do not do
name verification
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=37
- No changelog available.
- update to version 20211212:
- scamper:
* in hostname code, handle nameserver lines with comments in them
- sc_remoted:
* fix logic to handle TLSv1.3 handshakes
- sc_hoiho:
* add the ability to learn regular expressions that extract
network names from router hostnames, documented in the
sc_hoiho man page
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=32
scamper:
* in trace, allow probes to multiple consecutive hops to be
outstanding in the network without having to stop and wait,
using the -N parameter documented in scamper's man page.
* in trace, do optional PTR lookups using the option documented
in scamper's man page. output these hostnames into warts and
json outputs.
* bump libscamperfile version for the above changes.
* document that scamper's control socket can be told to return
JSON through an option now documented in scamper's man page.
* improvements to reading warts files via fuzzing.
* other man page tidy ups.
sc_erosprober:
* add the ability to adjust the probe list at run time through a
unix domain socket, documented in the sc_erosprober man page.
sc_hoiho:
* add the ability to learn regular expressions that extract
geographic hints from router hostnames, documented in the
sc_hoiho man page
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=31
- scamper:
- update remote control protocol to support session resumption
if the underlying TCP connection is interrupted.
- if remote controller is specified with a domain name, use TLS.
- fix -p pidfile when starting scamper as a daemon
- expire entries in the ARP cache periodically
- add -r support to ping and tracelb, and record router addresses
in warts output.
- autoconf work to build on linux without sys/socketvar.h or
linux/netlink.h
- allow scamper to do IPv4 ICMP echo and IPv6 UDP traceroute
without requiring root on linux.
- libscamperfile version 1.0.0
- sc_remoted:
- update remote control protocol to support session resumption
if the underlying TCP connection is interrupted.
- use HUP signal to reload TLS certificate and private key chain
- add -e pidfile to write PID to file, to make HUP easy
- sc_pinger:
- add utility to ping a set of addresses with ICMP echo, UDP, and
TCP-ack probes
- throughout:
- reduce number of warnings when compiling with -Wextra
- remove rcsid from all files
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=25
- scamper:
* do not dereference a null pointer when converting a tracelb node
with no IP address to a string, when generating json output.
- sc_bdrmap:
* allow the source IP address to be specified when probing with the
-S parameter.
- sc_wartsfilter:
* a new utility to select specific records from a warts file
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=23
* scamper
* escape hostname in json output for tracelb
* use length parameters when parsing hostname responses, from
Marianne Fletcher
* sc_bdrmap
* add a -O noalias option to tell bdrmap to not do alias resolution.
* update -C documentation in the sc_bdrmap.1 man page
* fix a memory leak of trace objects in -d traces
* print RTT in -d traces
* add an -M option to help corner cases with private and IXP addresses
* relax heuristics to allow VPs to claim routers with IP2AS when no
other router assignments can take place
* turn off analytical interface alias resolution heuristics by default
* sc_hoiho
* change -O verbose to -O debug to better reflect what it does.
* change tpa to atp to be consistent with language in paper
https://www.caida.org/~mjl/pubs/rnc.pdf
* free a malloc, pointed out by clang static analysis
* add support for reading -d 3 output, which is the format of
regular expressions provided in the data supplement:
http://data.caida.org/datasets/supplement/2019-imc-hoiho/
* sc_uptime
* add a metadata table to be able to track metadata across sc_uptime
invocations, from Marianne Fletcher
* fix an error message when trying to create a database that
already exists.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=21
- update to version 20190916:
* scamper
* add a host implementation for looking up DNS records. it uses
the first nameserver it finds in /etc/resolv.conf by default.
* add an -O ptr option to tracelb.
* bugfix json output for tracelb.
* integrate patricia trie implementation into scamper hotspot
* use HAVE_SYSCTL macro to solve a compile issue on android
* include <linux/sockios.h> to get SIOCGSTAMP in Linux kernel > 5.2
* add -A option to ping code to set the ack number to use in tcp
probes (or sequence number in SYN packets). do not randomly
generate sequence and ack values for each TCP ping.
* rework options handling to allow for long long values.
* set the window size in TCP probes to 65535, instead of advertising a
zero receive window.
* update configure scripts around the use of --with-privsep-dir-owner
* sc_ally:
* when outputting alias sets, conduct a canonical sort to allow for
easy diffs
* update man page because sc_ally can take more than two addresses per
line
* sc_erosprober:
* new driver to periodically probe addresses and rotate output files.
* sc_hoiho:
* new utility for holistic orthography of Internet hostname
observations. this utility is only built if --with-sc_hoiho is
passed to configure. sc_hoiho requires pcre or pcre2, which can be
controlled by passing --with-pcre or --with-pcre2 to configure.
* sc_uptime:
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=19
* scamper:
* increase the size of a buffer in scamper's traceroute json
creation to reduce chance of truncation.
* print the number of probes sent by traceroute in the json
output.
* enforce a minimum firsthop value of 1 when reading a warts
traceroute object.
* sc_bdrmap:
* choose a static ICMP checksum value when using Paris traceroute
to reduce churn in observed topology in bdrmap output.
* add ability to pass list of ASes to -d traces to see
traceroutes towards specific ASes, useful for understanding
bdrmap inferences.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=13
- update to version 20171204:
- scamper:
* add a blind-fin tbit test, which tests receiver behavior to TCP FIN
packets which could have come from an off-path attacker.
- sc_radargun:
* add -d 2 option, which dumps interface IP-ID behavior classifications.
OBS-URL: https://build.opensuse.org/package/show/network:utilities/scamper?expand=0&rev=10
