From b46aad6df449445a9fc4aa7b32bd40005438e3f7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:18:05 +0200 Subject: Adding upstream version 2.9.5. Signed-off-by: Daniel Baumann --- dev/flags/show-sess-to-flags.sh | 209 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100755 dev/flags/show-sess-to-flags.sh (limited to 'dev/flags/show-sess-to-flags.sh') diff --git a/dev/flags/show-sess-to-flags.sh b/dev/flags/show-sess-to-flags.sh new file mode 100755 index 0000000..79003a4 --- /dev/null +++ b/dev/flags/show-sess-to-flags.sh @@ -0,0 +1,209 @@ +#!/usr/bin/env bash + +# This script is used to resolve various flags that appear on "show sess all". +# All identified ones will be appended at the end, with a short name and their +# value, followed by either the value resolved by "flags" when it's found, or +# by the copy-pastable command to use to resolve them. The path to FLAGS is +# searched in this order: 1) $FLAGS, 2) in the path, 3) dev/flags/flags, 4) +# in the same directory as the script. +# +# This script is horrendous, but it's not a reason for making it even more +# disgusting. The big regex flag mapping mess at the end is readable on a +# large screen and it's easier to spot mistakes using this aligned format, +# so please preserve this as much as possible and avoid multi-line formats. +# +# The append_* functions provide different variants that are still commented +# out. It's mostly a matter of taste, they're equivalent. +# +# Usage: socat /path/to/socket - <<< "show sess all" | ./$0 > output +# +# options: +# --color=never, --no-color: never colorize output +# --color=always: always colorize output (default: only on terminal) + +# look for "flags in path then in dev/flags/flags then next to the script" +FLAGS="${FLAGS:-$(command -v flags)}" +if [ -z "$FLAGS" ]; then + if [ -e dev/flags/flags ]; then + FLAGS=dev/flags/flags; + elif [ -e "${0%/*}/flags" ]; then + FLAGS="${0%/*}/flags" + else + # OK still not found,let's write a copy-pastable command + FLAGS="echo ./flags" + fi +fi + +HTTP_METH=( "OPTIONS" "GET" "HEAD" "POST" "PUT" "DELETE" "TRACE" "CONNECT" "OTHER" ) +out=( ) +decode=( ) + +# returns str $2 and $3 concatenated with enough spaces in between so that the +# total size doesn't exceed $1 chars, but always inserts at least one space. +justify() { + local pad=" " + local str + + while str="${2}${pad}${3}" && [ ${#str} -le $1 ]; do + pad="${pad} " + done + echo -n "$str" +} + +# remove spaces at the beginning and end in "$1" +trim() { + while [ -n "$1" -a -z "${1## *}" ]; do + set -- "${1# }" + done + while [ -n "$1" -a -z "${1%%* }" ]; do + set -- "${1% }" + done + echo -n "$1" +} + +# pass $1=ctx name, $2=argname, $3=value, append the decoded line to decode[] +append_flag() { + set -- "$1" "$2" "$(printf "%#x" $3)" + #decode[${#decode[@]}]="$1=$3 [ $(set -- $($FLAGS $2 $3 | cut -f2- -d=); echo $*) ]" + #decode[${#decode[@]}]="$(printf "%-14s %10s %s" $1 $3 "$(set -- $($FLAGS $2 $3 | cut -f2- -d=); echo $*)")" + #decode[${#decode[@]}]="$(justify 22 "$1" "$3") $(set -- $($FLAGS $2 $3 | cut -f2- -d=); echo $*)" + decode[${#decode[@]}]="$(justify 22 "$1" "$3") $(set -- $($FLAGS $2 $3 | cut -f2- -d= | tr -d '|'); echo "$*")" + #decode[${#decode[@]}]="$(justify 22 "$1" "$3") $(set -- $($FLAGS $2 $(printf "%#x" $3) | cut -f2- -d= | tr -d '|'); echo "$*")" + #decode[${#decode[@]}]="$(justify 22 "$1" "$3") $(trim "$($FLAGS $2 $3 | cut -f2- -d= | tr -d '|')")" + #decode[${#decode[@]}]="$(justify 22 "$1" "$3") $(trim "$($FLAGS $2 $3 | cut -f2- -d= | tr -d ' ')")" +} + +# pass $1=ctx name, $2=value, $3=decoded value +append_str() { + #decode[${#decode[@]}]="$1=$2 [ $3 ]" + #decode[${#decode[@]}]="$(printf "%-14s %10s %s" $1 $2 $3)" + decode[${#decode[@]}]="$(justify 22 "$1" "$2") $(trim $3)" +} + +# dump and reset the buffers +dump_and_reset() { + local line + + line=0 + while [ $line -lt ${#out[@]} ]; do + if [ -n "$COLOR" ]; then + # highlight name=value for values made of upper case letters + echo "${out[$line]}" | \ + sed -e 's,\(^0x.*\),\x1b[1;37m\1\x1b[0m,g' \ + -e 's,\([^ ,=]*\)=\([A-Z][^:, ]*\),\x1b[1;36m\1\x1b[0m=\x1b[1;33m\2\x1b[0m,g' + + else + echo "${out[$line]}" + fi + ((line++)) + done + + [ ${#decode[@]} -eq 0 ] || echo " -----------------------------------" + + line=0 + while [ $line -lt ${#decode[@]} ]; do + echo " ${decode[$line]}" + ((line++, total++)) + done + + [ ${#decode[@]} -eq 0 ] || echo " -----------------------------------" + + decode=( ) + out=( ) +} + +### main entry point + +if [ -t 1 ]; then + # terminal on stdout, enable color by default + COLOR=1 +else + COLOR= +fi + +if [ "$1" == "--no-color" -o "$1" == "--color=never" ]; then + shift + COLOR= +elif [ "$1" == "--color=always" ]; then + shift + COLOR=1 +fi + +ctx=strm +while read -r; do + [ "$REPLY" != "EOF" ] || break # for debugging + + if [[ "$REPLY" =~ ^[[:blank:]]*task= ]]; then + ctx=task; + elif [[ "$REPLY" =~ ^[[:blank:]]*txn= ]]; then + ctx=txn; + elif [[ "$REPLY" =~ ^[[:blank:]]*scf= ]]; then + ctx=scf; + elif [[ "$REPLY" =~ ^[[:blank:]]*co0= ]]; then + ctx=cof; + elif [[ "$REPLY" =~ ^[[:blank:]]*app0= ]]; then + ctx=appf; + elif [[ "$REPLY" =~ ^[[:blank:]]*req= ]]; then + ctx=req; + elif [[ "$REPLY" =~ ^[[:blank:]]*scb= ]]; then + ctx=scb; + elif [[ "$REPLY" =~ ^[[:blank:]]*co1= ]]; then + ctx=cob; + elif [[ "$REPLY" =~ ^[[:blank:]]*app1= ]]; then + ctx=appb; + elif [[ "$REPLY" =~ ^[[:blank:]]*res= ]]; then + ctx=res; + elif [[ "$REPLY" =~ ^0x ]]; then + # here we dump what we have and we reset + dump_and_reset + ctx=strm; + fi + + if [ $ctx = strm ]; then + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag strm.flg strm "${BASH_REMATCH[1]}" + elif [ $ctx = task ]; then + ! [[ "$REPLY" =~ \(state=([0-9a-fx]*) ]] || append_flag task.state task "${BASH_REMATCH[1]}" + elif [ $ctx = txn ]; then + ! [[ "$REPLY" =~ [[:blank:]]meth=([^[:blank:]]*) ]] || append_str txn.meth "${BASH_REMATCH[1]}" "${HTTP_METH[$((${BASH_REMATCH[1]}))]}" + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag txn.flg txn "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]req\.f=([0-9a-fx]*) ]] || append_flag txn.req.flg hmsg "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]rsp\.f=([0-9a-fx]*) ]] || append_flag txn.rsp.flg hmsg "${BASH_REMATCH[1]}" + elif [ $ctx = scf ]; then + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag f.sc.flg sc "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]endp=[[:alnum:]]*,[[:alnum:]]*,([0-9a-fx]*) ]] || append_flag f.sc.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1s.*\.sd\.flg=([0-9a-fx]*) ]] || append_flag f.h1s.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1s\.flg=([0-9a-fx]*) ]] || append_flag f.h1s.flg h1s "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1c\.flg=([0-9a-fx]*) ]] || append_flag f.h1c.flg h1c "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ ^[[:blank:]]*\.sc=.*\.flg=.*\.app=.*\.sd=[^=]*\.flg=([0-9a-fx]*) ]] || append_flag f.h2s.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h2s.*\.flg=([0-9a-fx]*) ]] || append_flag f.h2s.flg h2s "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h2c.*\.flg=([0-9a-fx]*) ]] || append_flag f.h2c.flg h2c "${BASH_REMATCH[1]}" + elif [ $ctx = cof ]; then + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag f.co.flg conn "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]fd.state=([0-9a-fx]*) ]] || append_flag f.co.fd.st fd 0x"${BASH_REMATCH[1]#0x}" + elif [ $ctx = req ]; then + ! [[ "$REPLY" =~ [[:blank:]]\(f=([0-9a-fx]*) ]] || append_flag req.flg chn "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]an=([0-9a-fx]*) ]] || append_flag req.ana ana "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]htx.*flags=([0-9a-fx]*) ]] || append_flag req.htx.flg htx "${BASH_REMATCH[1]}" + elif [ $ctx = scb ]; then + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag b.sc.flg sc "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]endp=[[:alnum:]]*,[[:alnum:]]*,([0-9a-fx]*) ]] || append_flag b.sc.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1s.*\.sd\.flg=([0-9a-fx]*) ]] || append_flag b.h1s.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1s\.flg=([0-9a-fx]*) ]] || append_flag b.h1s.flg h1s "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h1c\.flg=([0-9a-fx]*) ]] || append_flag b.h1c.flg h1c "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ ^[[:blank:]]*\.sc=.*\.flg=.*\.app=.*\.sd=[^=]*\.flg=([0-9a-fx]*) ]] || append_flag b.h2s.sd.flg sd "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h2s.*\.flg=([0-9a-fx]*) ]] || append_flag b.h2s.flg h2s "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]h2c.*\.flg=([0-9a-fx]*) ]] || append_flag b.h2c.flg h2c "${BASH_REMATCH[1]}" + elif [ $ctx = cob ]; then + ! [[ "$REPLY" =~ [[:blank:]]flags=([0-9a-fx]*) ]] || append_flag b.co.flg conn "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]fd.state=([0-9a-fx]*) ]] || append_flag b.co.fd.st fd "${BASH_REMATCH[1]}" + elif [ $ctx = res ]; then + ! [[ "$REPLY" =~ [[:blank:]]\(f=([0-9a-fx]*) ]] || append_flag res.flg chn "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]an=([0-9a-fx]*) ]] || append_flag res.ana ana "${BASH_REMATCH[1]}" + ! [[ "$REPLY" =~ [[:blank:]]htx.*flags=([0-9a-fx]*) ]] || append_flag res.htx.flg htx "${BASH_REMATCH[1]}" + fi + + out[${#out[@]}]="$REPLY" +done + +# dump the last stream +dump_and_reset -- cgit v1.2.3