Re: BackupPC and Selinux

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Daniela Gradim wrote:

Hi !!!

I reinstall my BackupPC server but now I have one problem when I try to
connect that server Error: Unable to connect to BackupPC server. I have
installed FC4 and selinux-policy-targeted-1.25.3-6. When I check my
audit log I have many kinds of AVC. What shall I do to make this
working.

type=AVC_PATH msg=audit(1123052401.490:14046033):  path="/dev/console"
type=CWD msg=audit(1123052401.490:14046033):  cwd="/home/users/backuppc"
type=PATH msg=audit(1123052401.490:14046033): item=0 name="/bin/ping"
flags=101 inode=59080709 dev=09:01 mode=0104755 ouid=0 ogid=0 rdev=00:00
type=PATH msg=audit(1123052401.490:14046033): item=1 flags=101
inode=23531242 dev=09:01 mode=0100755 ouid=0 ogid=0 rdev=00:00
type=AVC msg=audit(1123052403.947:14059893): avc:  denied  { use } for
pid=17525 comm="ping" name="console" dev=tmpfs ino=2614
scontext=system_u:system_r:ping_t tcontext=system_u:system_r:init_t
tclass=fd

type=AVC msg=audit(1123055904.817:14334333): avc:  denied  { ioctl } for
pid=20401 comm="httpd" name="Lib.pm" dev=md1 ino=70811835
scontext=system_u:system_r:httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.817:14334333): arch=40000003
syscall=54 success=no exit=-13 a0=1 a1=5401 a2=bfd1bbc8 a3=bfd1bc08
items=0 pid=20401 auid=4294967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.817:14334333):
path="/home/httpd/html/BackupPC/lib/BackupPC/Lib.pm"
type=AVC msg=audit(1123055904.899:14334889): avc:  denied  { ioctl } for
pid=2\0401 comm="httpd" name="Lib.pm" dev=md1 ino=70811823
scontext=system_u:system_r\:httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.899:14334889): arch=40000003
syscall=54 succe\ss=no exit=-13 a0=1 a1=5401 a2=bfd1bbc8 a3=bfd1bc08
items=0 pid=20401 auid=4294\967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm\="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.899:14334889):
path="/home/httpd/html/Backu\pPC/lib/BackupPC/CGI/Lib.pm"
type=AVC msg=audit(1123055904.961:14334904): avc:  denied  { ioctl } for
pid=2\0401 comm="httpd" name="config.pl" dev=md1 ino=70812030
scontext=system_u:syste\m_r:httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.961:14334904): arch=40000003
syscall=54 succe\ss=no exit=-13 a0=1 a1=5401 a2=bfd1c0f8 a3=bfd1c138
items=0 pid=20401 auid=4294\967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm\="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.961:14334904):
path="/home/httpd/html/Backu\pPC/data/conf/config.pl"
type=AVC msg=audit(1123055904.968:14334926): avc:  denied  { ioctl } for
pid=2\0401 comm="httpd" name="en.pm" dev=md1 ino=70811804
scontext=system_u:system_r:\httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.968:14334926): arch=40000003
syscall=54 succe\ss=no exit=-13 a0=1 a1=5401 a2=bfd1c0f8 a3=bfd1c138
items=0 pid=20401 auid=4294\967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm\="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.968:14334926):
path="/home/httpd/html/Backu\pPC/lib/BackupPC/Lang/en.pm"
type=AVC msg=audit(1123055904.980:14334955): avc:  denied  { ioctl } for
pid=2\0401 comm="httpd" name="hosts" dev=md1 ino=70812028
scontext=system_u:system_r:\httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.980:14334955): arch=40000003
syscall=54 succe\ss=no exit=-13 a0=1 a1=5401 a2=bfd1c148 a3=bfd1c188
items=0 pid=20401 auid=4294\967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm\="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.980:14334955):
path="/home/httpd/html/Backu\pPC/data/conf/hosts"
type=AVC msg=audit(1123055904.982:14334964): avc:  denied  { ioctl } for
pid=20401 comm="httpd" name="GeneralInfo.pm" dev=md1 ino=70811807
scontext=system_u:\system_r:httpd_t
tcontext=root:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123055904.982:14334964): arch=40000003
syscall=54 succe\ss=no exit=-13 a0=1 a1=5401 a2=bfd1c0f8 a3=bfd1c138
items=0 pid=20401 auid=4294\967295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm\="httpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123055904.982:14334964):
path="/home/httpd/html/Backu\pPC/lib/BackupPC/type=AVC msg=audit
(1123057381.490:15261737): avc:  denied  { lock } for  pid=20\404
comm="httpd" name="LOCK" dev=md1 ino=70811933
scontext=system_u:system_r:ht\tpd_t
tcontext=system_u:object_r:httpd_sys_script_exec_t tclass=file
type=SYSCALL msg=audit(1123057381.490:15261737): arch=40000003
syscall=143 succ\ess=no exit=-13 a0=0 a1=2 a2=10ebbc0 a3=9ad4700 items=0
pid=20404 auid=42949672\95 uid=501 gid=48 euid=501 suid=501 fsuid=501
egid=48 sgid=48 fsgid=48 comm="ht\tpd" exe="/usr/sbin/httpd"
type=AVC_PATH msg=audit(1123057381.490:15261737):
path="/home/httpd/html/Backu\pPC/data/pc/7r04b0j/LOCK"
type=AVC msg=audit(1123057387.694:15262203): avc:  denied  { write } for
pid=2\0404 comm="httpd" name="BackupPC.sock" dev=md1 ino=70811920
scontext=system_u:s\ystem_r:httpd_t
tcontext=system_u:object_r:httpd_sys_script_exec_t tclass=sock_\file
type=SYSCALL msg=audit(1123057387.694:15262203): arch=40000003
syscall=102 succ\ess=no exit=-13 a0=3 a1=bfd1c490 a2=10ebbc0 a3=6e
items=1 pid=20404 auid=429496\7295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm="\httpd" exe="/usr/sbin/httpd"
type=SOCKADDR msg=audit(1123057387.694:15262203):
saddr=01002F686F6D652F6874747
\0642F68746D6C2F4261636B757050432F646174612F6C6F672F4261636B757050432E736F636B00\0000000000000000000000000000000000000000000000000000000000000000000000000000000\000000000000000000000000000000000000000
type=SOCKETCALL msg=audit(1123057387.694:15262203): nargs=3 a0=1
a1=9e9c5c8 a2=\6e
type=PATH msg=audit(1123057387.694:15262203): item=0 flags=1
inode=70811920 de\v=09:01 mode=0140750 ouid=501 ogid=3 rdev=00:00
CGI/GeneralInfo.pm"
type=AVC msg=audit(1123055904.988:14334976): avc:  denied  { write } for
pid=2\0401 comm="httpd" name="BackupPC.sock" dev=md1 ino=70811920
scontext=system_u:s\ystem_r:httpd_t
tcontext=system_u:object_r:httpd_sys_script_exec_t tclass=sock_\file
type=SYSCALL msg=audit(1123055904.988:14334976): arch=40000003
syscall=102 succ\ess=no exit=-13 a0=3 a1=bfd1c490 a2=10ebbc0 a3=6e
items=1 pid=20401 auid=429496\7295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm="\httpd" exe="/usr/sbin/httpd"
type=SOCKADDR msg=audit(1123055904.988:14334976):
saddr=01002F686F6D652F6874747
\0642F68746D6C2F4261636B757050432F646174612F6C6F672F4261636B757050432E736F636B00\0000000000000000000000000000000000000000000000000000000000000000000000000000000\000000000000000000000000000000000000000
type=SOCKETCALL msg=audit(1123055904.988:14334976): nargs=3 a0=1
a1=9e67f28 a2=\6e
type=PATH msg=audit(1123055904.988:14334976): item=0 flags=1
inode=70811920 de\v=09:01 mode=0140750 ouid=501 ogid=3 rdev=00:00
type=AVC msg=audit(1123055907.166:14335286): avc:  denied  { write } for
pid=2\0401 comm="httpd" name="BackupPC.sock" dev=md1 ino=70811920
scontext=system_u:s\ystem_r:httpd_t
tcontext=system_u:object_r:httpd_sys_script_exec_t tclass=sock_\file
type=SYSCALL msg=audit(1123055907.166:14335286): arch=40000003
syscall=102 succ\ess=no exit=-13 a0=3 a1=bfd1c490 a2=10ebbc0 a3=6e
items=1 pid=20401 auid=429496\7295 uid=501 gid=48 euid=501 suid=501
fsuid=501 egid=48 sgid=48 fsgid=48 comm="\httpd" exe="/usr/sbin/httpd"
type=SOCKADDR msg=audit(1123055907.166:14335286):
saddr=01002F686F6D652F6874747
\0642F68746D6C2F4261636B757050432F646174612F6C6F672F4261636B757050432E736F636B00\0000000000000000000000000000000000000000000000000000000000000000000000000000000\000000000000000000000000000000000000000
type=SOCKETCALL msg=audit(1123055907.166:14335286): nargs=3 a0=d
a1=9e7ea88 a2=\6e
type=PATH msg=audit(1123055907.166:14335286): item=0 flags=1
inode=70811920 de\v=09:01 mode=0140750 ouid=501 ogid=3 rdev=00:00


Best Regards

Why is everything labeled httpd_sys_script_exec_t?
Only the beginning script should be, these files should be labeled httpd_sys_content_t, to get rid of most of the warnings. The sock_file will require a policy update although you can label it httpd_var_run_t for a workaround.

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