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Implement TLS and SSL support for busybox sendmail

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deajan 2016-10-23 20:28:20 +02:00
parent f2e0f63a33
commit a8892f88d0
1 changed files with 21 additions and 7 deletions
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28
dev/ofunctions.sh
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@ -1,6 +1,6 @@
#### MINIMAL-FUNCTION-SET BEGIN #### #### MINIMAL-FUNCTION-SET BEGIN ####
## FUNC_BUILD=2016102311 ## FUNC_BUILD=2016102314
## BEGIN Generic bash functions written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr ## BEGIN Generic bash functions written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
## To use in a program, define the following variables: ## To use in a program, define the following variables:
@ -304,7 +304,14 @@ function SendAlert {
if [ "$LOCAL_OS" == "BUSYBOX" ]; then if [ "$LOCAL_OS" == "BUSYBOX" ]; then
if type sendmail > /dev/null 2>&1; then if type sendmail > /dev/null 2>&1; then
echo -e "Subject:$subject\r\n$body" | $(type -p sendmail) -f "$SENDER_MAIL" -S "$SMTP_SERVER:$SMTP_PORT" -au"$SMTP_USER" -ap"$SMTP_PASSWORD" $DESTINATION_MAILS if [ "$ENCRYPTION" == "tls" ]; then
echo -e "Subject:$subject\r\n$body" | $(type -p sendmail) -f "$SENDER_MAIL" -H "exec openssl s_client -quiet -tls1_2 -starttls smtp -connect $SMTP_SERVER:$SMTP_PORT" -au"$SMTP_USER" -ap"$SMTP_PASSWORD" $DESTINATION_MAILS
elif [ "$ENCRYPTION" == "ssl" ]; then
echo -e "Subject:$subject\r\n$body" | $(type -p sendmail) -f "$SENDER_MAIL" -H "exec openssl s_client -quiet -connect $SMTP_SERVER:$SMTP_PORT" -au"$SMTP_USER" -ap"$SMTP_PASSWORD" $DESTINATION_MAILS
else
echo -e "Subject:$subject\r\n$body" | $(type -p sendmail) -f "$SENDER_MAIL" -S "$SMTP_SERVER:$SMTP_PORT" -au"$SMTP_USER" -ap"$SMTP_PASSWORD" $DESTINATION_MAILS
fi
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot send alert mail via $(type -p sendmail) !!!" "WARN" Logger "Cannot send alert mail via $(type -p sendmail) !!!" "WARN"
# Don't bother try other mail systems with busybox # Don't bother try other mail systems with busybox
@ -429,13 +436,13 @@ function SendAlert {
# smtp_server.domain.tld is mandatory, as is smtpPort (should be 25, 465 or 587) # smtp_server.domain.tld is mandatory, as is smtpPort (should be 25, 465 or 587)
# encryption can be set to tls, ssl or none # encryption can be set to tls, ssl or none
# smtpUser and smtpPassword are optional # smtpUser and smtpPassword are optional
# SendEmail "subject" "Body text" "receiver@example.com receiver2@otherdomain.com" "/path/to/attachment.file" "senderEmail@example.com" "smtpServer.domain.tld" "smtpPort" "encryption" "smtpUser" "smtpPassword" # SendEmail "subject" "Body text" "receiver@example.com receiver2@otherdomain.com" "/path/to/attachment.file" "senderMail@example.com" "smtpServer.domain.tld" "smtpPort" "encryption" "smtpUser" "smtpPassword"
function SendEmail { function SendEmail {
local subject="${1}" local subject="${1}"
local message="${2}" local message="${2}"
local destinationMails="${3}" local destinationMails="${3}"
local attachment="${4}" local attachment="${4}"
local senderEmail="${5}" local senderMail="${5}"
local smtpServer="${6}" local smtpServer="${6}"
local smtpPort="${7}" local smtpPort="${7}"
local encryption="${8}" local encryption="${8}"
@ -460,7 +467,14 @@ function SendEmail {
if [ "$LOCAL_OS" == "BUSYBOX" ]; then if [ "$LOCAL_OS" == "BUSYBOX" ]; then
if type sendmail > /dev/null 2>&1; then if type sendmail > /dev/null 2>&1; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$senderEmail" -S "$smtpServer:$smtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails" if [ "$ENCRYPTION" == "tls" ]; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -H "exec openssl s_client -quiet -tls1_2 -starttls smtp -connect $smtpServer:$smtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
elif [ "$ENCRYPTION" == "ssl" ]; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -H "exec openssl s_client -quiet -connect $smtpServer:$smtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
else
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -S "$smtpServer:$SmtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
fi
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot send alert mail via $(type -p sendmail) !!!" "WARN" Logger "Cannot send alert mail via $(type -p sendmail) !!!" "WARN"
# Don't bother try other mail systems with busybox # Don't bother try other mail systems with busybox
@ -520,7 +534,7 @@ function SendEmail {
# Windows specific # Windows specific
if type "mailsend.exe" > /dev/null 2>&1 ; then if type "mailsend.exe" > /dev/null 2>&1 ; then
if [ "$senderEmail" == "" ]; then if [ "$senderMail" == "" ]; then
Logger "Missing sender email." "ERROR" Logger "Missing sender email." "ERROR"
return 1 return 1
fi fi
@ -543,7 +557,7 @@ function SendEmail {
if [ "$smtpUser" != "" ] && [ "$smtpPassword" != "" ]; then if [ "$smtpUser" != "" ] && [ "$smtpPassword" != "" ]; then
auth_string="-auth -user \"$smtpUser\" -pass \"$smtpPassword\"" auth_string="-auth -user \"$smtpUser\" -pass \"$smtpPassword\""
fi fi
$(type mailsend.exe) -f "$senderEmail" -t "$destinationMails" -sub "$subject" -M "$message" -attach "$attachment" -smtp "$smtpServer" -port "$smtpPort" $encryption_string $auth_string $(type mailsend.exe) -f "$senderMail" -t "$destinationMails" -sub "$subject" -M "$message" -attach "$attachment" -smtp "$smtpServer" -port "$smtpPort" $encryption_string $auth_string
if [ $? != 0 ]; then if [ $? != 0 ]; then
Logger "Cannot send mail via $(type mailsend.exe) !!!" "WARN" Logger "Cannot send mail via $(type mailsend.exe) !!!" "WARN"
else else