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Prepared smtp/lmtp to prepare for addition commands after STARTTLS

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Dirk Wetter
2020-08-27 23:00:50 +02:00
parent af5cad9183
commit 4f8fe42f0c
1 changed files with 13 additions and 10 deletions
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23
testssl.sh
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@@ -10431,7 +10431,8 @@ starttls_just_send(){
local -i ret=0
debugme echo "C: $1\r\n"
echo -ne "$1\r\n" >&5
# We need cat here, otherwise the appended ELHO after STARTTLS will be in the next packet
printf "%b" "$1\r\n" | cat >&5
ret=$?
if [[ $ret -eq 0 ]]; then
debugme echo " > succeeded: $2"
@@ -10536,24 +10537,24 @@ starttls_smtp_dialog() {
local greet_str="EHLO testssl.sh"
local proto="smtp"
local reSTARTTLS='^250[ -]STARTTLS'
local starttls="STARTTLS"
local -i ret=0
"$SNEAKY" && greet_str="EHLO google.com"
if [[ -n "$2" ]]; then
# Here we can supply and addtional command after STARTTLS for injection tests
starttls="STARTTLS\r\n$2"
fi
if [[ "$1" == lmtp ]]; then
proto="lmtp"
greet_str="LHLO"
fi
if [[ -n "$2" ]]; then
# Here we can "add" commands in the future. Please note \r\n will automatically be appended
greet_str="$2"
elif "$SNEAKY"; then
greet_str="EHLO google.com"
fi
debugme echo "=== starting $proto STARTTLS dialog ==="
starttls_full_read '^220-' '^220 ' '' "received server greeting" &&
starttls_just_send "$greet_str" "sent $greet_str" &&
starttls_full_read '^250-' '^250 ' "${reSTARTTLS}" "received server capabilities and checked STARTTLS availability" &&
starttls_just_send 'STARTTLS' "initiated STARTTLS" &&
starttls_just_send "$starttls" "initiated STARTTLS" &&
starttls_full_read '^220-' '^220 ' '' "received ack for STARTTLS"
ret=$?
debugme echo "=== finished $proto STARTTLS dialog with ${ret} ==="
@@ -10562,10 +10563,11 @@ starttls_smtp_dialog() {
starttls_pop3_dialog() {
local -i ret=0
local starttls="STLS"
debugme echo "=== starting pop3 STARTTLS dialog ==="
starttls_full_read '^\+OK' '^\+OK' '' "received server greeting" &&
starttls_just_send 'STLS' "initiated STARTTLS" &&
starttls_just_send "$starttls" "initiated STARTTLS" &&
starttls_full_read '^\+OK' '^\+OK' '' "received ack for STARTTLS"
ret=$?
debugme echo "=== finished pop3 STARTTLS dialog with ${ret} ==="
@@ -10575,12 +10577,13 @@ starttls_pop3_dialog() {
starttls_imap_dialog() {
local -i ret=0
local reSTARTTLS='^\* CAPABILITY(( .*)? IMAP4rev1( .*)? STARTTLS(.*)?|( .*)? STARTTLS( .*)? IMAP4rev1(.*)?)$'
local starttls="a002 STARTTLS"
debugme echo "=== starting imap STARTTLS dialog ==="
starttls_full_read '^\* ' '^\* OK ' '' "received server greeting" &&
starttls_just_send 'a001 CAPABILITY' "sent CAPABILITY" &&
starttls_full_read '^\* ' '^a001 OK ' "${reSTARTTLS}" "received server capabilities and checked STARTTLS availability" &&
starttls_just_send 'a002 STARTTLS' "initiated STARTTLS" &&
starttls_just_send "$starttls" "initiated STARTTLS" &&
starttls_full_read '^\* ' '^a002 OK ' '' "received ack for STARTTLS"
ret=$?
debugme echo "=== finished imap STARTTLS dialog with ${ret} ==="