sshd-debug.sh

   1 #!/bin/sh
   2
   3 # ssh-debug
   4
   5 # A wrapper script around sshd to invoke when debugging to debug the
   6 #  work-in-progress versions of sshd-auth and sshd-session, instead
   7 # of debugging the installed ones that probably don't have the change
   8 # you are working on.
   9 #
  10 #       Placed in the Public Domain.
  11
  12 unset DIR SSHD SSHD_AUTH SSHD_SESSION
  13
  14 fatal() {
  15         echo >&2 $@
  16         exit 1
  17 }
  18
  19 case "$0" in
  20 /*)                     DIR="`dirname $0`"      ;;
  21 ./sshd-debug.sh)        DIR="`pwd`"             ;;
  22 *)                      echo "Need full path or working directory."; exit 1 ;;
  23 esac
  24
  25 for i in sshd/obj/sshd sshd/sshd sshd; do
  26         if [ -f "${DIR}/$i" ] && [ -x "${DIR}/$i" ]; then
  27                 SSHD="${DIR}/$i"
  28         fi
  29 done
  30 [ -z "${SSHD}" ] && fatal "Could not find sshd"
  31
  32 for i in sshd-auth/obj/sshd-auth sshd-auth/sshd-auth sshd-auth; do
  33         if [ -f "${DIR}/$i" ] && [ -x "${DIR}/$i" ]; then
  34                 SSHD_AUTH="${DIR}/$i"
  35         fi
  36 done
  37 [ -z "${SSHD_AUTH}" ] && fatal "Could not find sshd-auth"
  38
  39 for i in sshd-session/obj/sshd-session sshd-session/sshd-session sshd-session; do
  40         if [ -f "${DIR}/$i" ] && [ -x "${DIR}/$i" ]; then
  41                 SSHD_SESSION="${DIR}/$i"
  42         fi
  43 done
  44 [ -z "${SSHD_SESSION}" ] && fatal "Could not find sshd-session"
  45
  46 echo >&2 Debugging ${SSHD} auth ${SSHD_AUTH} session ${SSHD_SESSION}
  47
  48 # Append SshdSessionPath and SshdAuthPath pointing to the build directory.
  49 # If you explicitly specify these in the command line, the first-match
  50 # keyword semantics will override these.
  51 exec "${SSHD}" $@ \
  52     -oSshdAuthPath="${SSHD_AUTH}" -oSshdSessionPath="${SSHD_SESSION}"