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srnd: ensure clean XOVER output

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This commit is contained in:
cathugger 2018-12-09 19:50:27 +00:00
parent 7e56a9b9f5
commit fa511c275e
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GPG Key ID: 9BADDA2DAF6F01A8
1 changed files with 26 additions and 1 deletions
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27
contrib/backends/srndv2/src/srnd/nntp.go
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@ -550,6 +550,13 @@ func (self *nntpConnection) checkMIMEHeaderNoAuth(daemon *NNTPDaemon, hdr textpr
return
}
var overReplacer = strings.NewReplacer("\t", " ", "\n", " ", "\r", "", "\000", "")
// safeOver cleans string for OVER/XOVER output
func safeOver(s string) string {
return strings.TrimSpace(overReplacer.Replace(s))
}
func (self *nntpConnection) handleLine(daemon *NNTPDaemon, code int, line string, conn *textproto.Conn) (err error) {
parts := strings.Split(line, " ")
var msgid string
@ -914,7 +921,25 @@ func (self *nntpConnection) handleLine(daemon *NNTPDaemon, code int, line string
for _, model := range models {
if model != nil {
if err == nil {
io.WriteString(dw, fmt.Sprintf("%.6d\t%s\t\"%s\" <%s@%s>\t%s\t%s\t%s\r\n", model.NNTPID(), model.Subject(), model.Name(), model.Name(), model.Frontend(), model.Date(), model.MessageID(), model.Reference()))
/*
The first 8 fields MUST be the following, in order:
"0" or article number (see below)
Subject header content
From header content
Date header content
Message-ID header content
References header content
:bytes metadata item
:lines metadata item
*/
fmt.Fprintf(dw,
"%.6d\t%s\t\"%s\" <%s@%s>\t%s\t%s\t%s\r\n",
model.NNTPID(),
safeOver(model.Subject()),
safeOver(model.Name()), safeOver(model.Name()), safeOver(model.Frontend()),
safeOver(model.Date()),
safeOver(model.MessageID()),
safeOver(model.Reference()))
}
}
}