48 lines
1.6 KiB
Bash
Executable File
48 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# write stderr to both calling party and local log; be very careful about
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# closing file descriptors here - if either stdout or stderr will not be closed
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# when service process does the same - service call will hang (waiting for EOF
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# on stdout/stderr)
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stderr_pipe=/tmp/qrexec-rpc-stderr.$$
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mkfifo $stderr_pipe
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# tee can't write to file descriptor, nor /proc/self/fd/2 (EXIO on open)
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return_stderr_pipe=/tmp/qrexec-rpc-stderr-return.$$
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mkfifo $return_stderr_pipe
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{ cat <$return_stderr_pipe >&2 2>/dev/null; rm -f $return_stderr_pipe; } &
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{ tee $return_stderr_pipe 2>/dev/null <$stderr_pipe |\
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logger -t "$1-$2" >/dev/null 2>&1; rm -f $stderr_pipe; } &
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exec 2>$stderr_pipe
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QUBES_RPC=/etc/qubes-rpc
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LOCAL_QUBES_RPC=/usr/local/etc/qubes-rpc
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if ! [ $# = 2 ] ; then
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echo $0: bad argument count, usage: $0 SERVICE-NAME REMOTE-DOMAIN-NAME >&2
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exit 1
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fi
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export QREXEC_REMOTE_DOMAIN="$2"
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export QREXEC_SERVICE_FULL_NAME="$1"
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SERVICE_WITHOUT_ARGUMENT="${1%%+*}"
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if [ "${QREXEC_SERVICE_FULL_NAME}" != "${SERVICE_WITHOUT_ARGUMENT}" ]; then
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export QREXEC_SERVICE_ARGUMENT="${QREXEC_SERVICE_FULL_NAME#*+}"
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fi
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for CFG_FILE in $LOCAL_QUBES_RPC/"$1" $QUBES_RPC/"$1" \
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$LOCAL_QUBES_RPC/"${SERVICE_WITHOUT_ARGUMENT}" \
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$QUBES_RPC/"${SERVICE_WITHOUT_ARGUMENT}"; do
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if [ -s "$CFG_FILE" ]; then
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break
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fi
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done
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if [ -x "$CFG_FILE" ] ; then
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exec "$CFG_FILE" ${QREXEC_SERVICE_ARGUMENT}
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echo "$0: failed to execute handler for" "$1" >&2
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exit 1
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else
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exec /bin/sh -- "$CFG_FILE" ${QREXEC_SERVICE_ARGUMENT}
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echo "$0: failed to execute handler for" "$1" >&2
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exit 1
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fi
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