92 lines
2.3 KiB
Bash
92 lines
2.3 KiB
Bash
# $OpenBSD: channel-timeout.sh,v 1.1 2023/01/06 08:07:39 djm Exp $
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# Placed in the Public Domain.
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tid="channel timeout"
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# XXX not comprehensive. Still need -R -L agent X11 forwarding + interactive
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rm -f $OBJ/sshd_proxy.orig
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cp $OBJ/sshd_proxy $OBJ/sshd_proxy.orig
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verbose "no timeout"
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${SSH} -F $OBJ/ssh_proxy somehost "sleep 5 ; exit 23"
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r=$?
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if [ $r -ne 23 ]; then
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fail "ssh failed"
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fi
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verbose "command timeout"
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(cat $OBJ/sshd_proxy.orig ; echo "ChannelTimeout session:command=1") \
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> $OBJ/sshd_proxy
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${SSH} -F $OBJ/ssh_proxy somehost "sleep 5 ; exit 23"
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r=$?
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if [ $r -ne 255 ]; then
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fail "ssh returned unexpected error code $r"
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fi
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verbose "command wildcard timeout"
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(cat $OBJ/sshd_proxy.orig ; echo "ChannelTimeout session:*=1") \
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> $OBJ/sshd_proxy
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${SSH} -F $OBJ/ssh_proxy somehost "sleep 5 ; exit 23"
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r=$?
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if [ $r -ne 255 ]; then
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fail "ssh returned unexpected error code $r"
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fi
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verbose "command irrelevant timeout"
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(cat $OBJ/sshd_proxy.orig ; echo "ChannelTimeout session:shell=1") \
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> $OBJ/sshd_proxy
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${SSH} -F $OBJ/ssh_proxy somehost "sleep 5 ; exit 23"
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r=$?
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if [ $r -ne 23 ]; then
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fail "ssh failed"
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fi
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# Set up a "slow sftp server" that sleeps before executing the real one.
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cat > $OBJ/slow-sftp-server.sh << _EOF
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#!/bin/sh
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sleep 5
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$SFTPSERVER
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_EOF
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chmod a+x $OBJ/slow-sftp-server.sh
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verbose "sftp no timeout"
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(grep -vi subsystem.*sftp $OBJ/sshd_proxy.orig;
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echo "Subsystem sftp $OBJ/slow-sftp-server.sh" ) > $OBJ/sshd_proxy
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rm -f ${COPY}
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$SFTP -qS $SSH -F $OBJ/ssh_proxy somehost:$DATA $COPY
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r=$?
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if [ $r -ne 0 ]; then
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fail "sftp failed"
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fi
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cmp $DATA $COPY || fail "corrupted copy"
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verbose "sftp timeout"
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(grep -vi subsystem.*sftp $OBJ/sshd_proxy.orig;
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echo "ChannelTimeout session:subsystem:sftp=1" ;
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echo "Subsystem sftp $OBJ/slow-sftp-server.sh" ) > $OBJ/sshd_proxy
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rm -f ${COPY}
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$SFTP -qS $SSH -F $OBJ/ssh_proxy somehost:$DATA $COPY
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r=$?
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if [ $r -eq 0 ]; then
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fail "sftp succeeded unexpectedly"
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fi
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test -f $COPY && cmp $DATA $COPY && fail "intact copy"
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verbose "sftp irrelevant timeout"
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(grep -vi subsystem.*sftp $OBJ/sshd_proxy.orig;
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echo "ChannelTimeout session:subsystem:command=1" ;
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echo "Subsystem sftp $OBJ/slow-sftp-server.sh" ) > $OBJ/sshd_proxy
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rm -f ${COPY}
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$SFTP -qS $SSH -F $OBJ/ssh_proxy somehost:$DATA $COPY
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r=$?
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if [ $r -ne 0 ]; then
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fail "sftp failed"
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fi
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cmp $DATA $COPY || fail "corrupted copy"
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