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Bug 164366 - tftp server doesn't allow overwriting as per man page
tftp server doesn't allow overwriting as per man page
Product: Fedora
Classification: Fedora
Component: tftp (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Radek Vokal
David Lawrence
Depends On:
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Reported: 2005-07-27 06:26 EDT by P Fudd
Modified: 2007-11-30 17:11 EST (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-09-07 07:00:47 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description P Fudd 2005-07-27 06:26:03 EDT
Description of problem:
According to the man page, 'touch /tftpboot/somefile; chmod 666
/tftpboot/somefile' should allow you to 'put somefile' using tftp.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Enable tftpd (chkconfig tftp on; service xinetd restart)
2. touch /tftpboot/somefile; chmod 666 /tftpboot/somefile
3. tftp localhost
4. put /etc/issue somefile
Actual results:
File not found

Expected results:
Contents should be put successfully

Additional info:
Problem is in server, not client.
strace bombs with buffer overflow error when tracing tftpd.
Comment 1 Radek Vokal 2005-08-08 08:03:41 EDT
The steps above work for me with SELinux turned off. When I turn on the SELinux
with `setenforce 1` the file is not uploaded with "Permission denied" error. Can
you please retest this issue with SELinux turned off? (eg. add `setenforce 0`
before your testcase) 

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