[scamper-announce] scamper-cvs-20240503

[Matthew Luckie]

https://www.caida.org/catalog/software/scamper/code/scamper-cvs-20240503.tar.gz

SHA256 (scamper-cvs-20240503.tar.gz) = e6f42a7882689d321103225a0f60d079982af42cf1a66859a3ce91e63853cb09
SIZE (scamper-cvs-20240503.tar.gz) = 2839214

scamper:
* improvements with -N squeries; let -Q send all probes when using -N.
  add -H wait-probe-hop, which specifies the minimum delay between
  probes with the same TTL.  identify the hop that would have caused
  traceroute to stop when not using -N so that a normal traceroute
  path with one hop representing the destination or stopping hop in
  the path is rendered.  in the json output, put extra hops beyond
  the stopping hop into a extra_hops array.
* make ring-nolocked the default when using -O ring.
* improvements with udpprobe: provide ability to send multiple copies
  of the same payload, add json output, reuse available UDP sockets
  where possible.
* consistently set and record the IPv4 tos and IPv6 tclass fields for
  both ping and trace.
* fix warts.bz2 and warts.xz output, which could previously use all
  available space on the file system.
* speed up rendering of byte arrays as hex in json output.
* fix obtaining IPv6 hoplimit on received packets on MacOS.
* record the name of the interface that received IPv4 and IPv6 ICMP
  responses in ping.
* add TXT queries to host command; add chaos query class; add
  DNS-over-TCP.
* fix use of ctype functions according to netbsd (cast all parameters
  to unsigned char).  make pass through use of ctype functions to do
  ctype function calls last in most logical statements.
* cleanup scamper_file_warts.h so that only necessary struct
  definitions are in that header.

libscamperfile:
* add new functions, bump library version due to udpprobe changes.

python library
* improve the usefulness of the ScamperInstError exceptions
* let all address parameters to do_() methods also be ScamperAddr
* support creation of ScamperAddr from bytes objects
* updates to support new functionality in udpprobe primitive
* support RR filters on all sections of a DNS response
* add tx, rx, and rtt attributes to DNS responses
* add qtype=txt, qclass=chaos, tcp DNS queries, and ScamperHostTxt
  class.
* add helper method to get ns and txt records out of ans section
  -- ans_nses() and ans_txts()
* add rx and ifname attributes to ScamperPingReply
* add ScamperDealiasProbe.is_from_target() method

configure:
* remove obsolete AC_PROG_GCC_TRADITIONAL
* fix net/pfvar.h conditional

sc_hoiho:
* fix crashes in IP and FNU stages so that router name regular
  expression inferences work again.

sc_wartscat:
* fix index into infiles array

tests:
* add tests for string_byte2hex, and json escaping
* add unit tests for TXT records
* add fuzzing cradle for host_rr_list
* in fuzz_cmd cradle, ensure any error strings only contain printable
  characters.
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