Add support for testing postgres protocol over TLS/SSL
The Postgres protocol uses STARTTLS with a custom start packet. This functionality is supported by openssl s_client in the current openssl master branch but not yet in any released version. This patch detects whether the given openssl binary supports postgres and runs the default tests against a postgres server. Example of no openssl support: ~/bin/testssl$ ./testssl.sh --quiet --openssl=/opt/openssl/openssl-1.1.0c/bin/openssl --starttls=postgres test.postgres.server.com:5432 Start 2016-12-07 18:03:24 -->> ip.add.re.ss:5432 (test.postgres.server.com:5432) <<-- Fatal error: Your /opt/openssl/openssl-1.1.0c/bin/openssl does not support the "-starttls postgres" option Example of openssl support: ~/bin/testssl$ ./testssl.sh --quiet --openssl=/opt/openssl/openssl-2016-12-07/bin/openssl --startt ls=postgres test.postgres.server.com:5432 Start 2016-12-07 18:06:03 -->> ip.add.re.ss:5432 (test.postgres.server.com:5432) <<-- Service set: STARTTLS via POSTGRES Testing protocols (via openssl, SSLv2 via sockets) SSLv2 not offered (OK) SSLv3 offered (NOT ok) TLS 1 offered TLS 1.1 offered TLS 1.2 offered (OK) SPDY/NPN (SPDY is an HTTP protocol and thus not tested here) HTTP2/ALPN (HTTP/2 is a HTTP protocol and thus not tested here) ...
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45
testssl.sh
45
testssl.sh
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@ -226,6 +226,7 @@ HAS_SPDY=false
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HAS_FALLBACK_SCSV=false
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HAS_FALLBACK_SCSV=false
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HAS_PROXY=false
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HAS_PROXY=false
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HAS_XMPP=false
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HAS_XMPP=false
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HAS_POSTGRES=false
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ADD_RFC_STR="rfc" # display RFC ciphernames
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ADD_RFC_STR="rfc" # display RFC ciphernames
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PORT=443 # unless otherwise auto-determined, see below
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PORT=443 # unless otherwise auto-determined, see below
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NODE=""
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NODE=""
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@ -6227,6 +6228,16 @@ starttls_nntp_dialog() {
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return $ret
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return $ret
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}
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}
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starttls_postgres_dialog() {
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debugme echo "=== starting postgres STARTTLS dialog ==="
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local reINITTLS="\x00\x00\x00\x08\x04\xD2\x16\x2F"
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starttls_just_send "${reINITTLS}" && debugme echo "initiated STARTTLS" &&
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starttls_full_read '' '' 'S' && debugme echo "received ack for STARTTLS"
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local ret=$?
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debugme echo "=== finished postgres STARTTLS dialog with ${ret} ==="
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return $ret
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}
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# arg for a fd doesn't work here
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# arg for a fd doesn't work here
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fd_socket() {
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fd_socket() {
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local jabber=""
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local jabber=""
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@ -6301,6 +6312,9 @@ EOF
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starttls_line "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>" "proceed"
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starttls_line "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>" "proceed"
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# BTW: https://xmpp.net !
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# BTW: https://xmpp.net !
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;;
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;;
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postgres|postgress) # Postgres SQL, see http://www.postgresql.org/docs/devel/static/protocol-message-formats.html
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starttls_postgres_dialog
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;;
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*) # we need to throw an error here -- otherwise testssl.sh treats the STARTTLS protocol as plain SSL/TLS which leads to FP
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*) # we need to throw an error here -- otherwise testssl.sh treats the STARTTLS protocol as plain SSL/TLS which leads to FP
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fatal "FIXME: STARTTLS protocol $STARTTLS_PROTOCOL is not yet supported" -4
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fatal "FIXME: STARTTLS protocol $STARTTLS_PROTOCOL is not yet supported" -4
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esac
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esac
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@ -9155,6 +9169,7 @@ test_openssl_suffix() {
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find_openssl_binary() {
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find_openssl_binary() {
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local s_client_has=$TEMPDIR/s_client_has.txt
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local s_client_has=$TEMPDIR/s_client_has.txt
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local s_client_starttls_has=$TEMPDIR/s_client_starttls_has.txt
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# 0. check environment variable whether it's executable
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# 0. check environment variable whether it's executable
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if [[ -n "$OPENSSL" ]] && [[ ! -x "$OPENSSL" ]]; then
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if [[ -n "$OPENSSL" ]] && [[ ! -x "$OPENSSL" ]]; then
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@ -9211,6 +9226,8 @@ find_openssl_binary() {
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$OPENSSL s_client -help 2>$s_client_has
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$OPENSSL s_client -help 2>$s_client_has
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$OPENSSL s_client -starttls foo 2>$s_client_starttls_has
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grep -qw '\-alpn' $s_client_has && \
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grep -qw '\-alpn' $s_client_has && \
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HAS_ALPN=true
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HAS_ALPN=true
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@ -9226,6 +9243,9 @@ find_openssl_binary() {
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grep -q '\-xmpp' $s_client_has && \
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grep -q '\-xmpp' $s_client_has && \
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HAS_XMPP=true
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HAS_XMPP=true
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grep -q 'postgres' $s_client_starttls_has && \
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HAS_POSTGRES=true
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if [[ "$OPENSSL_TIMEOUT" != "" ]]; then
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if [[ "$OPENSSL_TIMEOUT" != "" ]]; then
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if which timeout >&2 2>/dev/null ; then
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if which timeout >&2 2>/dev/null ; then
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# there are different "timeout". Check whether --preserve-status is supported
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# there are different "timeout". Check whether --preserve-status is supported
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@ -9307,7 +9327,7 @@ help() {
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"$PROG_NAME <options> URI", where <options> is:
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"$PROG_NAME <options> URI", where <options> is:
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-t, --starttls <protocol> does a default run against a STARTTLS enabled <protocol,
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-t, --starttls <protocol> does a default run against a STARTTLS enabled <protocol,
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protocol is <ftp|smtp|pop3|imap|xmpp|telnet|ldap> (latter two require supplied openssl)
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protocol is <ftp|smtp|pop3|imap|xmpp|telnet|ldap|postgres> (latter three require supplied openssl)
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--xmpphost <to_domain> for STARTTLS enabled XMPP it supplies the XML stream to-'' domain -- sometimes needed
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--xmpphost <to_domain> for STARTTLS enabled XMPP it supplies the XML stream to-'' domain -- sometimes needed
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--mx <domain/host> tests MX records from high to low priority (STARTTLS, port 25)
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--mx <domain/host> tests MX records from high to low priority (STARTTLS, port 25)
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--file <fname> mass testing option: Reads command lines from <fname>, one line per instance.
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--file <fname> mass testing option: Reads command lines from <fname>, one line per instance.
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@ -9440,6 +9460,7 @@ HAS_ALPN: $HAS_ALPN
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HAS_FALLBACK_SCSV: $HAS_FALLBACK_SCSV
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HAS_FALLBACK_SCSV: $HAS_FALLBACK_SCSV
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HAS_PROXY: $HAS_PROXY
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HAS_PROXY: $HAS_PROXY
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HAS_XMPP: $HAS_XMPP
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HAS_XMPP: $HAS_XMPP
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HAS_POSTGRES: $HAS_POSTGRES
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PATH: $PATH
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PATH: $PATH
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PROG_NAME: $PROG_NAME
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PROG_NAME: $PROG_NAME
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@ -10070,7 +10091,7 @@ determine_optimal_proto() {
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}
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}
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# arg1: ftp smtp, pop3, imap, xmpp, telnet, ldap (maybe with trailing s)
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# arg1: ftp smtp, pop3, imap, xmpp, telnet, ldap, postgres (maybe with trailing s)
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determine_service() {
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determine_service() {
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local ua
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local ua
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local protocol
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local protocol
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@ -10097,9 +10118,13 @@ determine_service() {
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service_detection $OPTIMAL_PROTO
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service_detection $OPTIMAL_PROTO
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else
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else
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# STARTTLS
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# STARTTLS
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protocol=${1%s} # strip trailing 's' in ftp(s), smtp(s), pop3(s), etc
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if [[ "$1" == postgres ]]; then
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protocol="postgres"
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else
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protocol=${1%s} # strip trailing 's' in ftp(s), smtp(s), pop3(s), etc
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fi
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case "$protocol" in
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case "$protocol" in
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ftp|smtp|pop3|imap|xmpp|telnet|ldap)
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ftp|smtp|pop3|imap|xmpp|telnet|ldap|postgres)
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STARTTLS="-starttls $protocol"
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STARTTLS="-starttls $protocol"
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SNI=""
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SNI=""
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if [[ "$protocol" == xmpp ]]; then
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if [[ "$protocol" == xmpp ]]; then
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@ -10113,6 +10138,12 @@ determine_service() {
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# see http://xmpp.org/rfcs/rfc3920.html
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# see http://xmpp.org/rfcs/rfc3920.html
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fi
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fi
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fi
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fi
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if [[ "$protocol" == postgres ]]; then
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# Check if openssl version supports postgres.
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if ! "$HAS_POSTGRES"; then
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fatal "Your $OPENSSL does not support the \"-starttls postgres\" option" -5
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fi
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fi
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$OPENSSL s_client -connect $NODEIP:$PORT $PROXY $BUGS $STARTTLS 2>$ERRFILE >$TMPFILE </dev/null
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$OPENSSL s_client -connect $NODEIP:$PORT $PROXY $BUGS $STARTTLS 2>$ERRFILE >$TMPFILE </dev/null
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if [[ $? -ne 0 ]]; then
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if [[ $? -ne 0 ]]; then
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debugme cat $TMPFILE
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debugme cat $TMPFILE
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@ -10126,7 +10157,7 @@ determine_service() {
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outln
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outln
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;;
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;;
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*) outln
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*) outln
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fatal "momentarily only ftp, smtp, pop3, imap, xmpp, telnet and ldap allowed" -4
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fatal "momentarily only ftp, smtp, pop3, imap, xmpp, telnet, ldap and postgres allowed" -4
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;;
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;;
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esac
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esac
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fi
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fi
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@ -10438,8 +10469,8 @@ parse_cmd_line() {
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STARTTLS_PROTOCOL=$(parse_opt_equal_sign "$1" "$2")
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STARTTLS_PROTOCOL=$(parse_opt_equal_sign "$1" "$2")
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[[ $? -eq 0 ]] && shift
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[[ $? -eq 0 ]] && shift
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case $STARTTLS_PROTOCOL in
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case $STARTTLS_PROTOCOL in
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ftp|smtp|pop3|imap|xmpp|telnet|ldap|nntp) ;;
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ftp|smtp|pop3|imap|xmpp|telnet|ldap|nntp|postgres) ;;
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ftps|smtps|pop3s|imaps|xmpps|telnets|ldaps|nntps) ;;
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ftps|smtps|pop3s|imaps|xmpps|telnets|ldaps|nntps|postgress) ;;
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*) pr_magentaln "\nunrecognized STARTTLS protocol \"$1\", see help" 1>&2
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*) pr_magentaln "\nunrecognized STARTTLS protocol \"$1\", see help" 1>&2
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help 1 ;;
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help 1 ;;
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esac
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esac
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