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Handle error cases for user supplied regexp

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This commit is contained in:
Bernhard Froehlich
2018-12-21 14:10:34 +00:00
parent e01895f25a
commit 72dad9fb70
1 changed files with 14 additions and 6 deletions
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20
main.go
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@@ -66,13 +66,17 @@ func senderChecker(peer smtpd.Peer, addr string) error {
return nil
}
re := regexp.MustCompile(*allowedSender)
re, err := regexp.Compile(*allowedSender)
if err != nil {
log.Printf("allowed_sender invalid: %v\n", err)
return smtpd.Error{Code: 451, Message: "Bad sender address"}
}
if re.MatchString(addr) {
return nil
} else {
return smtpd.Error{Code: 451, Message: "Bad sender address"}
}
return smtpd.Error{Code: 451, Message: "Bad sender address"}
}
func recipientChecker(peer smtpd.Peer, addr string) error {
@@ -80,13 +84,17 @@ func recipientChecker(peer smtpd.Peer, addr string) error {
return nil
}
re := regexp.MustCompile(*allowedRecipients)
re, err := regexp.Compile(*allowedRecipients)
if err != nil {
log.Printf("allowed_recipients invalid: %v\n", err)
return smtpd.Error{Code: 451, Message: "Bad recipient address"}
}
if re.MatchString(addr) {
return nil
} else {
return smtpd.Error{Code: 451, Message: "Bad recipient address"}
}
return smtpd.Error{Code: 451, Message: "Bad recipient address"}
}
func authChecker(peer smtpd.Peer, username string, password string) error {