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entropyd: allow haveged to create a Unix socket to received commands 

haveged listens to commands using a Unix socket
(at path "\0/sys/entropy/haveged" according to
https://github.com/jirka-h/haveged/blob/1.9.4/src/havegecmd.h#L34).
The implementation of this server is available on
https://github.com/jirka-h/haveged/blob/1.9.4/src/havegecmd.c .

This fixes the following denial:

    type=AVC msg=audit(1551002989.396:27): avc:  denied  { listen } for
    pid=262 comm="haveged"
    path=002F7379732F656E74726F70792F68617665676564
    scontext=system_u:system_r:entropyd_t
    tcontext=system_u:system_r:entropyd_t tclass=unix_stream_socket
    permissive=1

Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
This commit is contained in:
Nicolas Iooss 2019-08-18 21:34:52 +02:00
parent 230262368b
commit d7f66dce04
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1 changed files with 1 additions and 0 deletions
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policy/modules/services/entropyd.te
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@ -32,6 +32,7 @@ files_pid_file(entropyd_var_run_t)
allow entropyd_t self:capability { dac_override ipc_lock sys_admin };
dontaudit entropyd_t self:capability sys_tty_config;
allow entropyd_t self:process signal_perms;
allow entropyd_t self:unix_stream_socket create_stream_socket_perms;
manage_files_pattern(entropyd_t, entropyd_var_run_t, entropyd_var_run_t)
files_pid_filetrans(entropyd_t, entropyd_var_run_t, file)