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bus_context_log_and_set_error: add and use

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Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88810
Reviewed-by: Philip Withnall
This commit is contained in:
Simon McVittie 2015-02-02 18:15:27 +00:00
parent c6e024834b
commit 652a324fb6
4 changed files with 39 additions and 25 deletions
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7
bus/activation.c
View file

@ -1478,11 +1478,8 @@ pending_activation_timed_out (void *data)
dbus_error_init (&error);
dbus_set_error (&error, DBUS_ERROR_TIMED_OUT,
"Activation of %s timed out",
pending_activation->service_name);
bus_context_log (pending_activation->activation->context,
DBUS_SYSTEM_LOG_INFO,
bus_context_log_and_set_error (pending_activation->activation->context,
DBUS_SYSTEM_LOG_INFO, &error, DBUS_ERROR_TIMED_OUT,
"Failed to activate service '%s': timed out",
pending_activation->service_name);

23
bus/bus.c
View file

@ -1394,6 +1394,29 @@ bus_context_log_literal (BusContext *context,
}
}
void
bus_context_log_and_set_error (BusContext *context,
DBusSystemLogSeverity severity,
DBusError *error,
const char *name,
const char *msg,
...)
{
DBusError stack_error = DBUS_ERROR_INIT;
va_list args;
va_start (args, msg);
_dbus_set_error_valist (&stack_error, name, msg, args);
va_end (args);
/* If we hit OOM while setting the error, this will syslog "out of memory"
* which is itself an indication that something is seriously wrong */
bus_context_log_literal (context, DBUS_SYSTEM_LOG_SECURITY,
stack_error.message);
dbus_move_error (&stack_error, error);
}
/*
* Log something about a message, usually that it was rejected.
*/

6
bus/bus.h
View file

@ -124,6 +124,12 @@ void bus_context_log (BusContext
void bus_context_log_literal (BusContext *context,
DBusSystemLogSeverity severity,
const char *msg);
void bus_context_log_and_set_error (BusContext *context,
DBusSystemLogSeverity severity,
DBusError *error,
const char *name,
const char *msg,
...) _DBUS_GNUC_PRINTF (5, 6);
dbus_bool_t bus_context_check_security_policy (BusContext *context,
BusTransaction *transaction,
DBusConnection *sender,

28
bus/driver.c
View file

@ -106,14 +106,8 @@ bus_driver_check_caller_is_privileged (DBusConnection *connection,
{
const char *method = dbus_message_get_member (message);
/* Yes this repetition is pretty horrible, but there's no
* bus_context_log_valist() or dbus_set_error_valist() or
* bus_context_log_literal() or dbus_set_error_literal().
*/
bus_context_log (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY,
"rejected attempt to call %s by unknown uid", method);
dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED,
bus_context_log_and_set_error (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY, error, DBUS_ERROR_ACCESS_DENIED,
"rejected attempt to call %s by unknown uid", method);
return FALSE;
}
@ -133,10 +127,8 @@ bus_driver_check_caller_is_privileged (DBusConnection *connection,
{
const char *method = dbus_message_get_member (message);
bus_context_log (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY,
"rejected attempt to call %s by uid %lu", method, uid);
dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED,
bus_context_log_and_set_error (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY, error, DBUS_ERROR_ACCESS_DENIED,
"rejected attempt to call %s by uid %lu", method, uid);
return FALSE;
}
@ -150,10 +142,8 @@ bus_driver_check_caller_is_privileged (DBusConnection *connection,
{
const char *method = dbus_message_get_member (message);
bus_context_log (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY,
"rejected attempt to call %s by unknown uid", method);
dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED,
bus_context_log_and_set_error (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY, error, DBUS_ERROR_ACCESS_DENIED,
"rejected attempt to call %s by unknown uid", method);
goto out;
}
@ -162,10 +152,8 @@ bus_driver_check_caller_is_privileged (DBusConnection *connection,
{
const char *method = dbus_message_get_member (message);
bus_context_log (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY,
"rejected attempt to call %s by uid %s", method, windows_sid);
dbus_set_error (error, DBUS_ERROR_ACCESS_DENIED,
bus_context_log_and_set_error (bus_transaction_get_context (transaction),
DBUS_SYSTEM_LOG_SECURITY, error, DBUS_ERROR_ACCESS_DENIED,
"rejected attempt to call %s by uid %s", method, windows_sid);
goto out;
}