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57 lines
1.2 KiB
Bash
57 lines
1.2 KiB
Bash
# $OpenBSD: agent-getpeereid.sh,v 1.13 2021/09/01 00:50:27 dtucker Exp $
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# Placed in the Public Domain.
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tid="disallow agent attach from other uid"
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UNPRIV=nobody
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ASOCK=${OBJ}/agent
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SSH_AUTH_SOCK=/nonexistent
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if config_defined HAVE_GETPEEREID HAVE_GETPEERUCRED HAVE_SO_PEERCRED ; then
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:
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else
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skip "skipped (not supported on this platform)"
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fi
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if test "x$USER" = "xroot"; then
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skip "skipped (running as root)"
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fi
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case "x$SUDO" in
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xsudo) sudo=1;;
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xdoas|xdoas\ *) ;;
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x)
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skip "need SUDO to switch to uid $UNPRIV" ;;
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*)
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skip "unsupported $SUDO - "doas" and "sudo" are allowed" ;;
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esac
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trace "start agent"
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eval `${SSHAGENT} ${EXTRA_AGENT_ARGS} -s -a ${ASOCK}` > /dev/null
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r=$?
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if [ $r -ne 0 ]; then
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fail "could not start ssh-agent: exit code $r"
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else
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chmod 644 ${SSH_AUTH_SOCK}
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${SSHADD} -l > /dev/null 2>&1
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r=$?
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if [ $r -ne 1 ]; then
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fail "ssh-add failed with $r != 1"
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fi
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if test -z "$sudo" ; then
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# doas
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${SUDO} -n -u ${UNPRIV} ${SSHADD} -l 2>/dev/null
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else
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# sudo
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< /dev/null ${SUDO} -S -u ${UNPRIV} ${SSHADD} -l 2>/dev/null
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fi
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r=$?
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if [ $r -lt 2 ]; then
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fail "ssh-add did not fail for ${UNPRIV}: $r < 2"
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fi
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trace "kill agent"
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${SSHAGENT} -k > /dev/null
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fi
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rm -f ${OBJ}/agent
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