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Bug #9770 FTP login connection with large banners on NT Server 4.0
Submitted: 2001-03-15 13:07 UTC Modified: 2005-03-31 16:13 UTC
From: ulisses at skyborg dot com Assigned:
Status: Wont fix Package: Other
PHP Version: 3.0.17 OS: Linux
Private report: No CVE-ID: None
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From: ulisses at skyborg dot com
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 [2001-03-15 13:07 UTC] ulisses at skyborg dot com
While connecting with a NT FTP Server 4.0 with a banner message with several lines the function ftp_login always returns a warning error.
I debug the source code and found a bug on file funcions/ftp.c on function int ftp_getresp(ftpbuf_t *ftp)
If the function receive a blank line the loop below is aborted

while (1) {
    if (!ftp_readline(ftp))
       return 0;
    if (ftp->inbuf[3] == '-')
        continue;
    else if (ftp->inbuf[3] != ' ') 
        return 0;
    break;
}

I think I resolved the problem (it works with my application) adding a line to this loop:

while (1) {
    if (!ftp_readline(ftp))
       return 0;
    if (ftp->inbuf[3] == '-')
        continue;
    else if (ftp->inbuf[0]==0) continue;
    else if (ftp->inbuf[3] != ' ') 
        return 0;
    break;
}


I hope I could help you.

Ulisses Donato

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 [2005-03-31 16:13 UTC] php-bugs at lists dot php dot net
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