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selinux/python/audit2allow/test.log
Jan Zarsky 42b4a44b74 python: add xperms support to audit2allow 
Add support for extended permissions to audit2allow. Extend AuditParser
to parse the 'ioctlcmd' field in AVC message. Extend PolicyGenerator to
generate allowxperm rules. Add the '-x'/'--xperms' option to audit2allow
to turn on generating of extended permission AV rules.

AVCMessage parses the ioctlcmd field in AVC messages. AuditParser
converts the ioctlcmd values into generic representation of extended
permissions that is stored in access vectors.

Extended permissions are represented by operations (currently only
'ioctl') and values associated to the operations. Values (for example
'~{ 0x42 1234 23-34 }') are stored in the XpermSet class.

PolicyGenerator contains new method to turn on generating of xperms.
When turned on, for each access vector, standard AV rule and possibly
several xperm AV rules are generated. Xperm AV rules are represented by
the AVExtRule class.

With xperm generating turned off, PolicyGenerator provides comments
about extended permissions in certain situations. When the AVC message
contains the ioctlcmd field and the access would be allowed according to
the policy, PolicyGenerator warns about xperm rules being the possible
cause of the denial.

Signed-off-by: Jan Zarsky <jzarsky@redhat.com>
2018-06-16 10:36:14 +02:00

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node=bill.example.com type=AVC_PATH msg=audit(1166045975.667:1128): path="/usr/lib/libGL.so.1.2"
type=AVC msg=audit(1166045975.667:1129): avc: denied { write } for comm=local dev=dm-0 name=root.lock pid=10581 scontext=system_u:system_r:postfix_local_t:s0 tclass=file tcontext=system_u:object_r:mail_spool_t:s0
node=bob.example.com type=PATH msg=audit(1166111074.191:74): item=0 name="/etc/auto.net" inode=16483485 dev=fd:00 mode=0100755 ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:automount_lock_t:s0 type=CWD msg=audit(1166111074.191:74): cwd="/"
node=bob.example.com type=SYSCALL msg=audit(1166111074.191:74): arch=40000003 syscall=33 success=no exit=-13 a0=92c5288 a1=1 a2=154d50 a3=92c5120 items=1 ppid=13935 pid=13944 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) comm="automount" exe="/usr/sbin/automount" subj=system_u:system_r:automount_t:s0 key=(null)
node=bob.example.com type=AVC msg=audit(1166111074.191:74): avc: denied { execute } for pid=13944 comm="automount" name="auto.net" dev=dm-0 ino=16483485 scontext=system_u:system_r:automount_t:s0 tcontext=system_u:object_r:automount_lock_t:s0 tclass=file
node=james.example.com type=SYSCALL msg=audit(1165963069.244:851): arch=40000003 syscall=102 success=no exit=-13 a0=2 a1=bf96a830 a2=b5b1e8 a3=9e58ac0 items=0 ppid=21133 pid=21134 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts10 comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=james.example.com type=AVC msg=audit(1165963069.244:851): avc: denied { name_bind } for pid=21134 comm="httpd" src=81 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:reserved_port_t:s0 tclass=tcp_socket
node=tom.example.com type=SYSCALL msg=audit(1165963069.244:852): arch=40000003 syscall=102 success=no exit=-13 a0=2 a1=bf96a830 a2=b5b1e8 a3=9e58ac0 items=0 ppid=21133 pid=21134 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts10 comm="smbd" exe="/usr/sbin/smbd" subj=system_u:system_r:smbd_t:s0 key=(null)
node=tom.example.com type=AVC msg=audit(1165963069.244:852): avc: denied { name_connect } for pid=21134 comm="smbd" src=81 scontext=system_u:system_r:smbd_t:s0 tcontext=system_u:object_r:reserved_port_t:s0 tclass=tcp_socket
node=mary.example.com type=SYSCALL msg=audit(1166023021.373:910): arch=40000003 syscall=12 success=no exit=-13 a0=8493cd8 a1=cc3 a2=3282ec a3=bf992a04 items=0 ppid=24423 pid=24427 auid=3267 uid=0 gid=0 euid=3267 suid=3267 fsuid=3267 egid=3267 sgid=3267 fsgid=3267 tty=(none) comm="vsftpd" exe="/usr/sbin/vsftpd" subj=system_u:system_r:ftpd_t:s0 key=(null)
node=mary.example.com type=AVC msg=audit(1166023021.373:910): avc: denied { search } for pid=24427 comm="vsftpd" name="home" dev=dm-0 ino=9338881 scontext=system_u:system_r:ftpd_t:s0 tcontext=system_u:object_r:home_root_t:s0 tclass=dir
node=tom.example.com type=SYSCALL msg=audit(1165963069.244:852): arch=40000003 syscall=102 success=no exit=-13 a0=2 a1=bf96a830 a2=b5b1e8 a3=9e58ac0 items=0 ppid=21133 pid=21134 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts10 comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=tom.example.com type=AVC msg=audit(1165963069.244:852): avc: denied { name_connect } for pid=21134 comm="httpd" src=81 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:reserved_port_t:s0 tclass=tcp_socket
node=dan.example.com type=AVC_PATH msg=audit(1166017682.366:877): path="/var/www/html/index.html"
node=dan.example.com type=SYSCALL msg=audit(1166017682.366:877): arch=40000003 syscall=196 success=no exit=-13 a0=96226a8 a1=bf88b01c a2=31fff4 a3=2008171 items=0 ppid=23762 pid=23768 auid=3267 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 tty=(none) comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=dan.example.com type=AVC msg=audit(1166017682.366:877): avc: denied { execute_no_trans } for pid=23768 comm="httpd" name="index.html" dev=dm-0 ino=7996439 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:var_t:s0 tclass=file
node=judy.example.com type=SYSCALL msg=audit(1165963069.244:853): arch=40000003 syscall=102 success=no exit=-13 a0=2 a1=bf96a830 a2=b5b1e8 a3=9e58ac0 items=0 ppid=21133 pid=21134 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts10 comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=judy.example.com type=AVC msg=audit(1165963069.244:853): avc: denied { name_connect } for pid=21134 comm="httpd" src=81 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:mysqld_port_t:s0 tclass=tcp_socket
node=judy.example.com type=SYSCALL msg=audit(1165963069.244:853): arch=40000003 syscall=102 success=no exit=-13 a0=2 a1=bf96a830 a2=b5b1e8 a3=9e58ac0 items=0 ppid=21133 pid=21134 auid=3267 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts10 comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=judy.example.com type=AVC msg=audit(1165963069.244:853): avc: denied { name_connect } for pid=21134 comm="httpd" src=81 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:reserved_port_t:s0 tclass=tcp_socket
node=patty.example.com type=AVC_PATH msg=audit(1166036885.378:1097): path="/var/www/cgi-bin"
node=patty.example.com type=SYSCALL msg=audit(1166036885.378:1097): arch=40000003 syscall=196 success=no exit=-13 a0=9624f38 a1=bf88b11c a2=31fff4 a3=2008171 items=0 ppid=23762 pid=23770 auid=3267 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 tty=(none) comm="httpd" exe="/usr/sbin/httpd" subj=system_u:system_r:httpd_t:s0 key=(null)
node=patty.example.com type=AVC msg=audit(1166036885.378:1097): avc: denied { execute } for pid=23770 comm="httpd" name="cgi-bin" dev=dm-0 ino=7995597 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:httpd_sys_script_exec_t:s0 tclass=file
node=sam.example.com type=SYSCALL msg=audit(1166038880.318:1103): arch=40000003 syscall=5 success=no exit=-13 a0=bf96f068 a1=18800 a2=0 a3=bf973110 items=0 ppid=23765 pid=12387 auid=3267 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=48 sgid=48 fsgid=48 tty=(none) comm="sealert.cgi" exe="/usr/bin/perl" subj=system_u:system_r:httpd_sys_script_t:s0 key=(null)
node=sam.example.com type=AVC msg=audit(1166038880.318:1103): avc: denied { write } for pid=12387 comm="sealert.cgi" name="sealert-upload" dev=dm-0 ino=8093724 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:httpd_sys_content_t:s0 tclass=file
node=holycross.devel.redhat.com type=AVC_PATH msg=audit(1166027294.395:952): path="/home/devel/dwalsh/public_html"
node=holycross.devel.redhat.com type=SYSCALL msg=audit(1166027294.395:952): arch=40000003 syscall=196 success=yes exit=0 a0=8495230 a1=849c830 a2=874ff4 a3=328d28 items=0 ppid=7234 pid=7236 auid=3267 uid=3267 gid=3267 euid=3267 suid=3267 fsuid=3267 egid=3267 sgid=3267 fsgid=3267 tty=(none) comm="vsftpd" exe="/usr/sbin/vsftpd" subj=system_u:system_r:ftpd_t:s0 key=(null)
node=holycross.devel.redhat.com type=AVC msg=audit(1166027294.395:952): avc: denied { getattr } for pid=7236 comm="vsftpd" name="public_html" dev=dm-0 ino=9601649 scontext=system_u:system_r:ftpd_t:s0 tcontext=system_u:object_r:httpd_sys_content_t:s0 tclass=file
host=dhcppc2 type=AVC msg=audit(1216729188.853:241): avc: denied { read } for pid=14066 comm="qemu-kvm" name="HelpdeskRHEL4-RHEL4.x86_64" dev=tmpfs ino=333 scontext=system_u:system_r:qemu_t:s0 tcontext=system_u:object_r:fixed_disk_device_t:s0 tclass=blk_file host=dhcppc2 type=SYSCALL msg=audit(1216729188.853:241): arch=c000003e syscall=2 success=no exit=-13 a0=7fff6f654680 a1=0 a2=1a4 a3=3342f67a70 items=0 ppid=2953 pid=14066 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="qemu-kvm" exe="/usr/bin/qemu-kvm" subj=system_u:system_r:qemu_t:s0 key=(null)
node=mallorn.farre.nom type=AVC msg=audit(1228276291.360:466): avc: denied { execute } for pid=13015 comm="npviewer.bin" path="/opt/real/RealPlayer/mozilla/nphelix.so" dev=dm-0 ino=2850912 scontext=unconfined_u:unconfined_r:nsplugin_t:s0 tcontext=unconfined_u:object_r:usr_t:s0 tclass=file
node=mallorn.farre.nom type=SYSCALL msg=audit(1228276291.360:466): arch=40000003 syscall=192 success=no exit=-13 a0=0 a1=9eec a2=5 a3=802 items=0 ppid=13014 pid=13015 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=63 comm="npviewer.bin" exe="/usr/lib/nspluginwrapper/npviewer.bin" subj=unconfined_u:unconfined_r:nsplugin_t:s0 key=(null)
node=mary.example.com type=SYSCALL msg=audit(1166023021.373:910): arch=40000003 syscall=12 success=no exit=-13 a0=8493cd8 a1=cc3 a2=3282ec a3=bf992a04 items=0 ppid=24423 pid=24427 auid=3267 uid=0 gid=0 euid=3267 suid=3267 fsuid=3267 egid=3267 sgid=3267 fsgid=3267 tty=(none) comm="vssmbd" exe="/usr/sbin/vssmbd" subj=system_u:system_r:smbd_t:s0 key=(null)
node=mary.example.com type=AVC msg=audit(1166023021.373:910): avc: denied { read } for pid=24427 comm="vssmbd" name="home" dev=dm-0 ino=9338881 scontext=system_u:system_r:smbd_t:s0 tcontext=system_u:object_r:ssh_home_t:s0 tclass=file
node=lilly.example.com type=AVC_PATH msg=audit(1164783469.561:109): path="/linuxtest/LVT/lvt/log.current"
node=lilly.example.com type=SYSCALL msg=audit(1164783469.561:109): arch=14 syscall=11 success=yes exit=0 a0=10120520 a1=10120a78 a2=10120970 a3=118 items=0 ppid=8310 pid=8311 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) comm="smbd" exe="/usr/sbin/smbd" subj=root:system_r:smbd_t:s0 key=(null)
node=lilly.example.com type=AVC msg=audit(1164783469.561:109): avc: denied { append } for pid=8311 comm="smbd" name="log.current" dev=dm-0 ino=130930 scontext=root:system_r:smbd_t:s0 tcontext=root:object_r:default_t:s0 tclass=dir
node=lilly.example.com type=AVC msg=audit(1164783469.561:109): avc: denied { ioctl } for pid=8311 comm="smbd" name="log.current" ioctlcmd=0x2a scontext=root:system_r:smbd_t:s0 tcontext=root:object_r:default_t:s0 tclass=tcp_socket
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