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Diffstat (limited to 'proc')
-rw-r--r--proc/host.c62
1 files changed, 60 insertions, 2 deletions
diff --git a/proc/host.c b/proc/host.c
index fd54390a..72da687f 100644
--- a/proc/host.c
+++ b/proc/host.c
@@ -20,6 +20,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include <mach.h>
+#include <hurd.h>
#include <sys/types.h>
#include <hurd/hurd_types.h>
#include <stdlib.h>
@@ -28,6 +29,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <string.h>
#include <stdio.h>
#include <hurd/exec.h>
+#include <unistd.h>
#define HURD_VERSION_DEFINE
#include <hurd/version.h>
@@ -52,8 +54,6 @@ struct server_version
} *server_versions;
int nserver_versions, server_versions_nalloc;
-
-
struct execdata_notify
{
mach_port_t notify_port;
@@ -141,6 +141,38 @@ S_proc_getprivports (struct proc *p,
return 0;
}
+/* Initialize the standard exec ports and ints. */
+void
+init_stdarrays ()
+{
+ auth_t nullauth;
+ mach_port_t pt;
+ int pid = getpid ();
+
+ std_port_array = malloc (sizeof (mach_port_t) * INIT_PORT_MAX);
+ std_int_array = malloc (sizeof (int) * INIT_INT_MAX);
+
+ bzero (std_port_array, sizeof (mach_port_t) * INIT_PORT_MAX);
+ bzero (std_int_array, sizeof (int) * INIT_INT_MAX);
+
+ __USEPORT (AUTH, auth_makeauth (port, 0, MACH_MSG_TYPE_COPY_SEND, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, &nullauth));
+
+ pt = getcwdir ();
+ io_reauthenticate (pt, pid);
+ auth_user_authenticate (nullauth, pt, pid, &std_port_array[INIT_PORT_CWDIR]);
+ mach_port_deallocate (mach_task_self (), pt);
+
+ pt = getcrdir ();
+ io_reauthenticate (pt, pid);
+ auth_user_authenticate (nullauth, pt, pid, &std_port_array[INIT_PORT_CRDIR]);
+ mach_port_deallocate (mach_task_self (), pt);
+
+ std_port_array[INIT_PORT_AUTH] = nullauth;
+
+ std_int_array[INIT_UMASK] = CMASK;
+}
+
/* Implement proc_setexecdata as described in <hurd/proc.defs>. */
kern_return_t
S_proc_setexecdata (struct proc *p,
@@ -190,6 +222,9 @@ S_proc_getexecdata (struct proc *p,
{
/* XXX memory leak here */
+ if (!std_port_array)
+ init_stdarrays ();
+
if (*nports < n_std_ports)
*ports = malloc (n_std_ports * sizeof (mach_port_t));
bcopy (std_port_array, *ports, n_std_ports * sizeof (mach_port_t));
@@ -223,11 +258,34 @@ S_proc_execdata_notify (struct proc *p,
if (foo)
mach_port_deallocate (mach_task_self (), foo);
+ if (!std_port_array)
+ init_stdarrays ();
+
exec_setexecdata (n->notify_port, std_port_array, MACH_MSG_TYPE_COPY_SEND,
n_std_ports, std_int_array, n_std_ints);
return 0;
}
+/* Check all the execdata notify ports and see if one of them is
+ PORT; if it is, then free it. */
+void
+check_dead_execdata_notify (mach_port_t port)
+{
+ struct execdata_notify *en, **prevp;
+
+ for (en = execdata_notifys, prevp = &execdata_notifys; en; en = *prevp)
+ {
+ if (en->notify_port == port)
+ {
+ mach_port_deallocate (mach_task_self (), port);
+ *prevp = en->next;
+ free (en);
+ }
+ else
+ prevp = &en->next;
+ }
+}
+
/* Version information handling.
A server registers its name, and version with