selinux, sendmail, and services

[Daniel J Walsh]

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Steven Stern wrote:
> For two days, I've been receiving notices from setroubleshooter about
> sendmail and "unknown file".  Today, after the pam update, I rebooted
> and saw sendmail fail to start due to a problem with "services".
> 
> Feb 26 06:55:50 sds-desk setroubleshoot: #012    SELinux is preventing
> the /usr/sbin/sendmail.sendmail from using potentially mislabeled files
> (<Unknown>).#012
> 
> Feb 26 07:04:35 sds-desk setroubleshoot: #012    SELinux is preventing
> the /usr/sbin/sendmail.sendmail from using potentially mislabeled files
> (/etc/services).#012
> 
> I used
> 
> ~   grep sendmail /var/log/audit/audit.log | audit2allow -M sendmail
> 
> to generate a policy to fix this. Was this the right thing to do?  And
> what caused sendmail and selinux to suddenly have a problem?
> 
> sendmail.te:
> 
> module sendmail 1.0;
> 
> require {
> ~        type initrc_tmp_t;
> ~        type rpm_script_tmp_t;
> ~        type system_mail_t;
> ~        type unconfined_home_t;
> ~        type sendmail_t;
> ~        type unconfined_home_dir_t;
> ~        type var_t;
> ~        class process setrlimit;
> ~        class dir { getattr search };
> ~        class file { write getattr read ioctl };
> }
> 
> #============= sendmail_t ==============
> allow sendmail_t initrc_tmp_t:file { read write getattr ioctl };
> allow sendmail_t rpm_script_tmp_t:file read;
> allow sendmail_t self:process setrlimit;
> allow sendmail_t unconfined_home_dir_t:dir { getattr search };
> allow sendmail_t unconfined_home_t:file { read getattr };
> allow sendmail_t var_t:file { read write };
> 
> #============= system_mail_t ==============
> allow system_mail_t rpm_script_tmp_t:file read;
> 
> 
I think your problem is you have a badly labeled /etc/services file.
restorecon /etc/services

vmware has a bug in there postinstall script that screws up the labeling
of /etc/services.

I am not sure of your other changes so could you please attach the
audit.log file that you used to generate this policy.
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