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# system default
interimap --debug || error
! grep -E "^remote: Disabling SSL protocols: " <"$STDERR" || error # TODO deprecated
! grep -E "^remote: Minimum SSL/TLS protocol version: " <"$STDERR" || error
! grep -E "^remote: Maximum SSL/TLS protocol version: " <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv" <"$STDERR" || error
# backup config
install -m0600 "$XDG_CONFIG_HOME/interimap/config" "$XDG_CONFIG_HOME/interimap/config~"
with_remote_tls_protocols() {
install -m0600 "$XDG_CONFIG_HOME/interimap/config~" "$XDG_CONFIG_HOME/interimap/config"
printf "SSL_protocols = %s\\n" "$*" >>"$XDG_CONFIG_HOME/interimap/config"
}
# disable TLSv1.2 and earlier
with_remote_tls_protocols "!SSLv2" "!SSLv3" "!TLSv1" "!TLSv1.1" "!TLSv1.2"
interimap --debug || error
grep -Fx "remote: Disabling SSL protocols: SSLv3, TLSv1, TLSv1.1, TLSv1.2" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1\.3 " <"$STDERR" || error
interimap || error
grep -E "^remote: SSL_protocols is deprecated " <"$STDERR" || error "no deprecation message"
# force TLSv1.2
with_remote_tls_protocols "TLSv1.2"
interimap --debug || error
grep -Fx "remote: Disabling SSL protocols: SSLv3, TLSv1, TLSv1.1, TLSv1.3" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1\.2 " <"$STDERR" || error
# force TLSv1 to TLSv1.2
with_remote_tls_protocols "TLSv1" "TLSv1.1" "TLSv1.2"
interimap --debug || error
grep -Fx "remote: Disabling SSL protocols: SSLv3, TLSv1.3" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv(1\.[12])? " <"$STDERR" || error
# force SSLv2 and SSLv3; this fails due to dovecot's ssl_min_protocol=TLSv1
with_remote_tls_protocols "SSLv2" "SSLv3"
! interimap --debug || error
grep -Fx "remote: Disabling SSL protocols: TLSv1, TLSv1.1, TLSv1.2, TLSv1.3" <"$STDERR" || error
grep -Fx "remote: ERROR: Can't initiate TLS/SSL handshake" <"$STDERR" || error
# make sure we didn't send any credentials
! grep -E "^remote: C: .* (AUTHENTICATE|LOGIN) " <"$STDERR" || error
# new interface: SSL_protocol_{min,max}
with_remote_tls_protocol_min_max() {
install -m0600 "$XDG_CONFIG_HOME/interimap/config~" "$XDG_CONFIG_HOME/interimap/config"
if [ -n "${1-}" ]; then
printf "SSL_protocol_min = %s\\n" "$1" >>"$XDG_CONFIG_HOME/interimap/config"
fi
if [ -n "${2-}" ]; then
printf "SSL_protocol_max = %s\\n" "$2" >>"$XDG_CONFIG_HOME/interimap/config"
fi
}
# disable TLSv1.2 and earlier
# XXX this test assumes that TLSv1.3 is the highest version supported
with_remote_tls_protocol_min_max "TLSv1.3"
interimap --debug || error
grep -Fx "remote: Minimum SSL/TLS protocol version: TLSv1.3" <"$STDERR" || error
! grep -E "^remote: Maximum SSL/TLS protocol version: " <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1\.3 " <"$STDERR" || error
# force TLSv1.2
with_remote_tls_protocol_min_max "TLSv1.2" "TLSv1.2"
interimap --debug || error
grep -Fx "remote: Minimum SSL/TLS protocol version: TLSv1.2" <"$STDERR" || error
grep -Fx "remote: Maximum SSL/TLS protocol version: TLSv1.2" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1\.2 " <"$STDERR" || error
# disable TLSv1.2 and later
with_remote_tls_protocol_min_max "" "TLSv1.1"
interimap --debug || error
! grep -E "^remote: Minimum SSL/TLS protocol version: " <"$STDERR" || error
grep -Fx "remote: Maximum SSL/TLS protocol version: TLSv1.1" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1\.1 " <"$STDERR" || error
# force SSLv3 to to TLSv1.1
with_remote_tls_protocol_min_max "SSLv3" "TLSv1.1"
interimap --debug || error
grep -Fx "remote: Minimum SSL/TLS protocol version: SSLv3" <"$STDERR" || error
grep -Fx "remote: Maximum SSL/TLS protocol version: TLSv1.1" <"$STDERR" || error
grep -E "^remote: SSL protocol: TLSv1(\.1)? " <"$STDERR" || error
# force SSLv3; this fails due to dovecot's ssl_min_protocol=TLSv1
with_remote_tls_protocol_min_max "SSLv3" "SSLv3"
! interimap --debug || error
grep -Fx "remote: Minimum SSL/TLS protocol version: SSLv3" <"$STDERR" || error
grep -Fx "remote: Maximum SSL/TLS protocol version: SSLv3" <"$STDERR" || error
grep -Fx "remote: ERROR: Can't initiate TLS/SSL handshake" <"$STDERR" || error
# make sure we didn't send any credentials
! grep -E "^remote: C: .* (AUTHENTICATE|LOGIN) " <"$STDERR" || error
# vim: set filetype=sh :
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