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Description of problem: sx.fcgi triggers SELinux Version-Release number of selected component (if applicable): skylable-sx-2.3-1.fc25.x86_64 selinux-policy-targeted-3.13.1-225.1.fc25.noarch selinux-policy-3.13.1-225.1.fc25.noarch How reproducible: Just install skylable-sx and try to get it running Steps to Reproduce: 1. dnf install skylable-sx 2. sxsetup 3. systemctl restart sxserver Actual results: [output cut from `sealert -a /var/log/audit/audit.log | less'] SELinux is preventing sx.fcgi from unlink access on the file sem.etilqs-99-ca01-cc0848-0. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that sx.fcgi should be allowed unlink access on the sem.etilqs-99-ca01-cc0848-0 file by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'sx.fcgi' --raw | audit2allow -M my-sxfcgi # semodule -X 300 -i my-sxfcgi.pp Additional Information: Source Context system_u:system_r:sxserver_t:s0 Target Context system_u:object_r:tmpfs_t:s0 Target Objects sem.etilqs-99-ca01-cc0848-0 [ file ] Source sx.fcgi Source Path sx.fcgi Port <Unknown> Host <Unknown> Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.13.1-225.1.fc25.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name test1.fedora Platform Linux test1.fedora 4.8.12-300.fc25.x86_64 #1 SMP Fri Dec 2 17:52:11 UTC 2016 x86_64 x86_64 Alert Count 1 First Seen 2016-12-13 09:51:37 CET Last Seen 2016-12-13 09:51:37 CET Local ID 3de4d1b2-9595-44ab-80a4-f9305d6f9b75 Raw Audit Messages type=AVC msg=audit(1481619097.792:786): avc: denied { unlink } for pid=16703 comm="sx.fcgi" name="sem.etilqs-99-ca01-cc0848-0" dev="tmpfs" ino=92267 scontext=system_u:system_r:sxserver_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=file permissive=1 Hash: sx.fcgi,sxserver_t,tmpfs_t,file,unlink -------------------------------------------------------------------------------- SELinux is preventing sx.fcgi from add_name access on the directory I45DdR. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that sx.fcgi should be allowed add_name access on the I45DdR directory by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'sx.fcgi' --raw | audit2allow -M my-sxfcgi # semodule -X 300 -i my-sxfcgi.pp Additional Information: Source Context system_u:system_r:sxserver_t:s0 Target Context system_u:object_r:tmpfs_t:s0 Target Objects I45DdR [ dir ] Source sx.fcgi Source Path sx.fcgi Port <Unknown> Host <Unknown> Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.13.1-225.1.fc25.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name test1.fedora Platform Linux test1.fedora 4.8.12-300.fc25.x86_64 #1 SMP Fri Dec 2 17:52:11 UTC 2016 x86_64 x86_64 Alert Count 1 First Seen 2016-12-13 09:51:39 CET Last Seen 2016-12-13 09:51:39 CET Local ID 15f3a923-a61c-46a1-85d2-8036c3290421 Raw Audit Messages type=AVC msg=audit(1481619099.476:794): avc: denied { add_name } for pid=16927 comm="sx.fcgi" name="I45DdR" scontext=system_u:system_r:sxserver_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=dir permissive=1 Hash: sx.fcgi,sxserver_t,tmpfs_t,dir,add_name -------------------------------------------------------------------------------- SELinux is preventing sx.fcgi from create access on the file I45DdR. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that sx.fcgi should be allowed create access on the I45DdR file by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'sx.fcgi' --raw | audit2allow -M my-sxfcgi # semodule -X 300 -i my-sxfcgi.pp Additional Information: Source Context system_u:system_r:sxserver_t:s0 Target Context system_u:object_r:tmpfs_t:s0 Target Objects I45DdR [ file ] Source sx.fcgi Source Path sx.fcgi Port <Unknown> Host <Unknown> Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.13.1-225.1.fc25.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name test1.fedora Platform Linux test1.fedora 4.8.12-300.fc25.x86_64 #1 SMP Fri Dec 2 17:52:11 UTC 2016 x86_64 x86_64 Alert Count 1 First Seen 2016-12-13 09:51:39 CET Last Seen 2016-12-13 09:51:39 CET Local ID 46bafa1d-1161-43ee-858d-95a30fb0b78b Raw Audit Messages type=AVC msg=audit(1481619099.476:795): avc: denied { create } for pid=16927 comm="sx.fcgi" name="I45DdR" scontext=system_u:system_r:sxserver_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=file permissive=1 Hash: sx.fcgi,sxserver_t,tmpfs_t,file,create -------------------------------------------------------------------------------- SELinux is preventing sx.fcgi from getattr access on the file /var/lib/sxserver/storage/xfers.db. ***** Plugin restorecon (94.8 confidence) suggests ************************ If you want to fix the label. /var/lib/sxserver/storage/xfers.db default label should be sxserver_var_lib_t. Then you can run restorecon. Do # /sbin/restorecon -v /var/lib/sxserver/storage/xfers.db [/cut] Expected results: No SELinux warnings/errors Additional info: Running /sbin/restorecon -v /var/lib/sxserver/storage/xfers.db fixes the above-mentioned last warning. There are also warnings about "SELinux is preventing sx.fcgi from remove_name access on the directory I45DdR." "SELinux is preventing sx.fcgi from read access on the file hashfs.lock." "SELinux is preventing sx.fcgi from link access on the file I45DdR." "SELinux is preventing sx.fcgi from getattr access on the file /dev/shm/I45DdR." "SELinux is preventing systemd from read access on the directory sxhttpd." "SELinux is preventing sx.fcgi from getattr access on the filesystem /dev/shm." "SELinux is preventing sx.fcgi from write access on the directory /dev/shm." "SELinux is preventing sx.fcgi from 'read, write, open' accesses on the file /dev/shm/I45DdR."
Thanks for the report. Looks like sxsetup will have to get patched to run restorecon, running sxadm from sxsetup doesn't get the same SELinux context as when running the sx.fcgi daemon.
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