KCM: restore support for Solaris doors IPC mechanism (#379)

This patch restores support for the Solaris doors IPC mechanism, removed
from KCM when lib/ipc was added.

kcm/config.c

@@ -40,7 +40,6 @@ static const char *config_file;	/* location of kcm config file */
 
 size_t max_request = 0;		/* maximal size of a request */
 char *socket_path = NULL;
-char *door_path = NULL;
 
 static char *max_request_str;	/* `max_request' as a string */
 
@@ -123,12 +122,6 @@ static struct getargs args[] = {
 	"socket-path",		's', arg_string, &socket_path,
     	"path to kcm domain socket", "path"
     },
-#ifdef HAVE_DOOR_CREATE
-    {
-	"door-path",		's', arg_string, &door_path,
-    	"path to kcm door", "path"
-    },
-#endif
     {
 	"server",		'S', arg_string, &system_server,
     	"server to get system ticket for", "principal"

kcm/kcm.8

@@ -73,10 +73,6 @@
 .Fl Fl socket-path= Ns Ar path
 .Xc
 .Oc
-.Oo Xo
-.Fl Fl door-path= Ns Ar path
-.Xc
-.Oc
 .Oo Fl S Ar principal \*(Ba Xo
 .Fl Fl server= Ns Ar principal
 .Xc
@@ -153,8 +149,6 @@ disable credentials cache name constraints
 renewable lifetime of system tickets
 .It Fl s Ar path , Fl Fl socket-path= Ns Ar path
 path to kcm domain socket
-.It Fl Fl door-path= Ns Ar path
-path to kcm door socket
 .It Fl S Ar principal , Fl Fl server= Ns Ar principal
 server to get system ticket for
 .It Fl t Ar keytab , Fl Fl keytab= Ns Ar keytab

kcm/kcm_locl.h

@@ -164,8 +164,6 @@ struct kcm_op {
 #define _PATH_KCM_CONF	    SYSCONFDIR "/kcm.conf"
 
 extern krb5_context kcm_context;
-extern char *socket_path;
-extern char *door_path;
 extern size_t max_request;
 extern sig_atomic_t exit_flag;
 extern int name_constraints;

kcm/main.c

@@ -97,6 +97,12 @@ main(int argc, char **argv)
 	heim_sipc un;
 	heim_sipc_service_unix(service_name, kcm_service, NULL, &un);
     }
+#ifdef HAVE_DOOR_CREATE
+    {
+	heim_sipc door;
+	heim_sipc_service_door(service_name, kcm_service, NULL, &door);
+    }
+#endif
 
     roken_detach_finish(NULL, daemon_child);