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Dbus fixes #743

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merged 3 commits into from
Jan 3, 2024
Merged

Dbus fixes #743

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dd21a77
Changes needed for dbus-broker-launch
dsugar100 Dec 11, 2023
2680abe
Allow dbus-broker-launch to execute in same domain
dsugar100 Dec 20, 2023
58e4c9a
dbus changes
dsugar100 Dec 20, 2023
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17 changes: 16 additions & 1 deletion policy/modules/services/dbus.if
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,9 @@ template(`dbus_role_template',`
domain_entry_file($1_dbusd_t, dbusd_exec_t)
ubac_constrained($1_dbusd_t)

type $1_dbusd_tmpfs_t;
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files_tmpfs_file($1_dbusd_tmpfs_t)

role $2 types $1_dbusd_t;

##############################
Expand All @@ -91,7 +94,7 @@ template(`dbus_role_template',`
dontaudit $1_dbusd_t self:cap_userns sys_ptrace;

allow $3 system_dbusd_t:dbus { send_msg acquire_svc };
dontaudit $3 $1_dbusd_t:netlink_selinux_socket { read write };
dontaudit $3 $1_dbusd_t:netlink_selinux_socket { read write };

allow $3 { session_dbusd_home_t session_dbusd_tmp_t }:dir { manage_dir_perms relabel_dir_perms };
allow $3 { session_dbusd_home_t session_dbusd_tmp_t }:file { manage_file_perms relabel_file_perms };
Expand All @@ -105,17 +108,29 @@ template(`dbus_role_template',`

allow $1_dbusd_t $3:process sigkill;
allow $1_dbusd_t session_dbusd_tmp_t:sock_file manage_sock_file_perms;
allow $1_dbusd_t self:unix_stream_socket connectto;

allow $1_dbusd_t $1_dbusd_tmpfs_t:file mmap_rw_inherited_file_perms;

files_read_etc_runtime_files($1_dbusd_t)

fs_tmpfs_filetrans($1_dbusd_t, $1_dbusd_tmpfs_t, file)

kernel_getattr_proc($1_dbusd_t)

corecmd_bin_domtrans($1_dbusd_t, $3)
corecmd_shell_domtrans($1_dbusd_t, $3)

selinux_use_status_page($1_dbusd_t)

auth_use_nsswitch($1_dbusd_t)

dbus_exec($1_dbusd_t)

optional_policy(`
systemd_read_logind_runtime_files($1_dbusd_t)
systemd_user_daemon_domain($1, dbusd_exec_t, $1_dbusd_t)
systemd_user_send_systemd_notify($1, $1_dbusd_t)
systemd_user_unix_stream_activated_socket($1_dbusd_t, session_dbusd_runtime_t)
')
')
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