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SELinux patch still broken, in that we are not checking the correct source context.

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This patch does the dbus calls correctly.
This commit is contained in:
Daniel J Walsh 2012-10-11 17:06:46 -04:00 committed by Lennart Poettering
parent 2abba39d75
commit a33c48d83c
1 changed files with 24 additions and 6 deletions
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30
src/core/selinux-access.c
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@ -59,6 +59,10 @@ static int bus_get_selinux_security_context(
DBusError *error) {
_cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
DBusMessageIter iter, sub;
const char *bytes;
char *b;
int nbytes;
m = dbus_message_new_method_call(
DBUS_SERVICE_DBUS,
@ -85,12 +89,23 @@ static int bus_get_selinux_security_context(
if (dbus_set_error_from_message(error, reply))
return -EIO;
if (!dbus_message_get_args(
reply, error,
DBUS_TYPE_STRING, scon,
DBUS_TYPE_INVALID))
if (!dbus_message_iter_init(reply, &iter))
return -EIO;
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
return -EIO;
dbus_message_iter_recurse(&iter, &sub);
dbus_message_iter_get_fixed_array(&sub, &bytes, &nbytes);
b = strndup(bytes, nbytes);
if (!b)
return -ENOMEM;
*scon = b;
log_debug("GetConnectionSELinuxSecurityContext %s (pid %ld)", *scon, (long) bus_get_unix_process_id(connection, name, error));
return 0;
}
@ -293,14 +308,17 @@ static int get_calling_context(
*/
sender = dbus_message_get_sender(message);
if (sender) {
log_error("SELinux Got Sender %s", sender);
r = bus_get_selinux_security_context(connection, sender, scon, error);
if (r >= 0)
return r;
log_debug("bus_get_selinux_security_context failed %m");
dbus_error_free(error);
log_error("bus_get_selinux_security_context failed %m");
return r;
}
log_debug("SELinux No Sender");
if (!dbus_connection_get_unix_fd(connection, &fd)) {
log_error("bus_connection_get_unix_fd failed %m");
return -EINVAL;