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auth_provide_userdb #1128

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e61343b
Add auth_provide_userdb() interface and userdb_server attribute for p…
etbe May 23, 2026
a464d84
Add the missing interfaces systemd_connectto_logind() and systemd_lin…
etbe May 23, 2026
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14 changes: 14 additions & 0 deletions policy/modules/services/xserver.te
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Original file line number Diff line number Diff line change
Expand Up @@ -606,9 +606,23 @@ optional_policy(`
')

optional_policy(`
init_dbus_chat(xdm_t)
')

optional_policy(`
auth_provide_userdb(xdm_t)
auth_use_pam_systemd(xdm_t)
systemd_dbus_chat_hostnamed(xdm_t)
systemd_read_logind_runtime_files(xdm_t)
systemd_read_logind_sessions_files(xdm_t)
systemd_read_user_runtime_units_files(xdm_t)
systemd_search_user_runtime(xdm_t)
systemd_write_user_runtime_socket(xdm_t)
systemd_connectto_logind(xdm_t)
systemd_link_all_user_keys(xdm_t)
systemd_search_all_user_keys(xdm_t)
systemd_watch_logind_sessions_dirs(xdm_t)
systemd_write_inherited_logind_inhibit_pipes(xdm_t)
')
')

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24 changes: 24 additions & 0 deletions policy/modules/system/authlogin.if
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Expand Up @@ -1859,6 +1859,30 @@ interface(`auth_use_nsswitch',`
typeattribute $1 nsswitch_domain;
')

########################################
## <summary>
## Provide userdb data via /run/systemd/userdb sock file
## </summary>
## <desc>
## <p>
## Allow the specified domain to provide userdb data
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <infoflow type="both" weight="10"/>
#
interface(`auth_provide_userdb',`
gen_require(`
attribute userdb_server;
')

typeattribute $1 userdb_server;
')

########################################
## <summary>
## Unconfined access to the authlogin module.
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2 changes: 2 additions & 0 deletions policy/modules/system/authlogin.te
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ attribute can_write_shadow_passwords;
attribute can_relabelto_shadow_passwords;
attribute nsswitch_domain;
attribute pam_domain;
attribute userdb_server;

type auth_cache_t;
logging_log_file(auth_cache_t)
Expand Down Expand Up @@ -495,6 +496,7 @@ ifdef(`init_systemd', `
systemd_stream_connect_userdb(nsswitch_domain)
systemd_stream_connect_homed(nsswitch_domain)
systemd_stream_connect_nsresourced(nsswitch_domain)
allow nsswitch_domain userdb_server:unix_stream_socket connectto;
')

optional_policy(`
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37 changes: 37 additions & 0 deletions policy/modules/system/systemd.if
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Expand Up @@ -1551,6 +1551,25 @@ interface(`systemd_use_logind_fds',`
allow $1 systemd_logind_t:fd use;
')

######################################
## <summary>
## Connect to systemd-logind via unix sockets
## for /run/systemd/io.systemd.Login
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`systemd_connectto_logind',`
gen_require(`
type systemd_logind_t;
')

allow $1 systemd_logind_t:unix_stream_socket connectto;
')

######################################
## <summary>
## Watch logind sessions dirs.
Expand Down Expand Up @@ -3022,6 +3041,24 @@ interface(`systemd_write_all_user_keys',`
allow $1 systemd_user_session_type:key write;
')

########################################
## <summary>
## link keys for the all systemd --user domains.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`systemd_link_all_user_keys',`
gen_require(`
attribute systemd_user_session_type;
')

allow $1 systemd_user_session_type:key link;
')

########################################
## <summary>
## signal all systemd --user domains.
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2 changes: 2 additions & 0 deletions policy/modules/system/systemd.te
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Expand Up @@ -1309,6 +1309,8 @@ kernel_read_system_state(systemd_machined_t)
dev_getattr_fs(systemd_machined_t)
dev_setattr_urand_dev(systemd_machined_t)

auth_provide_userdb(systemd_machined_t)

files_read_etc_files(systemd_machined_t)
files_read_etc_runtime_files(systemd_machined_t)

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