Description of problem: SElinux does not allow the updated Postfix to access, create, write to, etc.. access to /var/lib/postfix. This directory is now the default DATA dir as specified by data_dir in the config (see manual). Postfix fails to start as it cannot create the master.lock file. Further other files are also placed into the data_dir now, such as the random for the TLS sessions. Other files are also placed within the new data_dir. Version-Release number of selected component (if applicable): selinux-policy-targeted-3.0.8-117.fc8 libselinux-2.0.43-1.fc8 selinux-policy-3.0.8-117.fc8 postfix-2.5.5-1.fc8 How reproducible: Update postfix-2.4.x to 2.5 Steps to Reproduce: 1.yum update or rpm -Uvh, if using recompiled postfix for mysql support 2. service postfix restart (will say ok, but fail) 3. service postfix status (will show not running) 4. Logs in /var/log/maillog specify permissions issues to access /var/lib/postfix 5. Logs in /var/log/messages show avc denials corresponding to issue Actual results: Postfix wont start. Expected results: Postfix should start and create master.lock file and prng_exch [for TLS.] (maybe others depending on setup, see manual) Additional info: policy_module(mypostfix, 0.0.1) type postfix_var_lib_t; files_type(postfix_var_lib_t) require { type postfix_master_t; } manage_dirs_pattern(postfix_master_t, postfix_var_lib_t, postfix_var_lib_t) manage_files_pattern(postfix_master_t, postfix_var_lib_t, postfix_var_lib_t) files_search_var_lib(postfix_master_t) files_var_lib_filetrans(postfix_master_t, postfix_var_lib_t, {dir file}) Fixes issue. Credit to domg472 #selinux and #fedora-selinux. Daniel, you might have seen the irc chatter, if not, heres the bugzilla. Regards, Tristan P.s.: Further reading by another user. http://engardelinux.org/modules/index/list_archives.cgi?list=selinux&page=0310.html&month=2008-06
Fixed in selinux-policy-3.0.8-122.fc8
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