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Description of problem:

 - rhn_check command executed in rhnsd daemon changed the file permission in yum cache into 0666.
  - This happened when the cache was recreated. rhn_check can recreate it.
  - When a new file was created in rhnsd, the file was created with mode=0666. Because umask=0000. (comment #56 and #57)
  - rhnsd is running with umask=0000 in RHEL7. it's running with umask=0022 in RHEL6.
  - On umask=0000, the default permission of the new file should be 0666. So, this matches their problem.
  - umask is set in latest rhnsd itself in RHEL7. (C#57)  The code to set it doesn't exist in rhnsd of RHEL6.
  - This should be regression. (need to check)
      rhnsd-5.0.13-5.el7: umask(0) is NOT executed in main() of rhnsd.c.
      rhnsd-5.0.13-7.el7: umask(0) is executed in main() of rhnsd.c.

Version-Release number of selected component (if applicable):
rhnsd-5.0.13

How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

spacewalk.git(master): d135f7e0d8da186f7d9d0dcdcbb0214fc625e9d9

Verified with rhnsd-5.0.13-10.el7.x86_64

>> ll /var/run/rhn_check.pid 
-rwxr-xr-x. 1 root root 5  8. pro 10.59 /var/run/rhn_check.pid
-rw-r--r--. 1 root root 4  8. pro 08.17 /var/run/rhnsd.pid

>> find /var/cache -name repomd.xml -ls 
707    8 -rw-r--r--   1 root     root         1545 Nov 21 01:37 /var/cache/yum/x86_64/7Server/rhn-tools-rhel-x86_64-server-7/repomd.xml
4862657    8 -rw-r--r--   1 root     root         1545 Dec  8 01:30 /var/cache/yum/x86_64/7Server/rhel-x86_64-server-7/repomd.xml

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0759