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74 lines
2.0 KiB
Bash
74 lines
2.0 KiB
Bash
#!/bin/bash
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#Gnieark https://blog-du-grouik.tinad.fr 2017
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#GNU GPL V2 license
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#
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#This script generate the random alias: Create it on postfix bdd
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#
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#First and only param is the mail "GOTO"
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if [ -z "$1" ]
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then
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echo "Error, argument missing. usage: $0 mail@domaine.com"
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exit 2
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fi
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MYSQLPATH="/usr/bin/mysql"
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MYSQLDB="postfix"
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MYSQLUSER="postfix"
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MYSQLPWD="******"
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OPENSSLPATH="/usr/bin/openssl"
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DOMAIN="tinad.fr"
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LOGGERPATH="/usr/bin/logger"
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#escape mail:
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printf -v MAIL "%q" "$1"
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#Check if the sender is already knowed on the database
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EXISTS=`$MYSQLPATH -B -u $MYSQLUSER -p$MYSQLPWD -D $MYSQLDB --disable-column-names -e "SELECT count(*) FROM alias WHERE goto='$MAIL'"`
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if [ $EXISTS -eq 0 ]; then
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#unknowed user *************************************************
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#Generate random string for the alias. If already exists, retry.
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COUNT=1
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while [ $COUNT -gt 0 ]; do
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#gererate random
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RD=$($OPENSSLPATH rand -base64 8)
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#Delete = char at the end of string
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PART=${RD::-1}
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COUNT=`$MYSQLPATH -B -u $MYSQLUSER -p$MYSQLPWD -D $MYSQLDB --disable-column-names -e "SELECT count(*) FROM alias WHERE address='$PART@$DOMAIN'"`
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done
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ALIASFULL=$PART@$DOMAIN
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#Feed the database
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$MYSQLPATH -u $MYSQLUSER -p$MYSQLPWD $MYSQLDB << EOF
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INSERT INTO alias(address,goto,domain,created,modified,active,temporary) VALUES
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('$PART@$DOMAIN',
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'$MAIL',
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'$DOMAIN',
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NOW(),
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NOW(),
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'1',
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'1'
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);
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EOF
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else
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#user is already knowed, simply reactivate his alias************
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$MYSQLPATH -u $MYSQLUSER -p$MYSQLPWD $MYSQLDB << EOF
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UPDATE alias SET
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modified=NOW(),
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active='1'
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WHERE goto='$MAIL'
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AND temporary='1';
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EOF
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#get his alias
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ALIASFULL=`$MYSQLPATH -B -u $MYSQLUSER -p$MYSQLPWD -D $MYSQLDB --disable-column-names -e "SELECT address FROM alias WHERE goto='$MAIL'"`
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fi
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printf "Hi, Your requested alias is $ALIASFULL, You will receive all mails sending to this alias during one hour from now. Thanks for using this service."
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$LOGGERPATH -i -p genalias.info "Activate alias $ALIASFULL FOR $MAIL"
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exit 0
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