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-rw-r--r--pfinet/io-ops.c223
1 files changed, 212 insertions, 11 deletions
diff --git a/pfinet/io-ops.c b/pfinet/io-ops.c
index 9710ab45..08752a60 100644
--- a/pfinet/io-ops.c
+++ b/pfinet/io-ops.c
@@ -18,6 +18,14 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+#include "pfinet.h"
+#include "io_S.h"
+#include <netinet/in.h>
+#include <linux/wait.h>
+#include <linux-inet/sock.h>
+#include <fcntl.h>
+#include <string.h>
+
error_t
S_io_write (struct sock_user *user,
char *data,
@@ -32,8 +40,8 @@ S_io_write (struct sock_user *user,
mutex_lock (&global_lock);
become_task (user);
- /* O_NONBLOCK for fourth arg? XXX */
- err = - (*user->sock->ops->write) (user->sock, data, datalen, 0);
+ err = - (*user->sock->ops->write) (user->sock, data, datalen,
+ user->sock->userflags);
mutex_unlock (&global_lock);
return err;
@@ -62,8 +70,8 @@ S_io_read (struct sock_user *user,
mutex_lock (&global_lock);
become_task (user);
- /* O_NONBLOCK for fourth arg? XXX */
- err = (*user->sock->ops->read) (user->sock, *data, amount, 0);
+ err = (*user->sock->ops->read) (user->sock, *data, amount,
+ user->sock->userflags);
mutex_unlock (&global_lock);
if (err < 0)
@@ -72,7 +80,8 @@ S_io_read (struct sock_user *user,
{
*datalen = err;
if (alloced && page_round (*datalen) < page_round (amount))
- vm_deallocate (mach_task_self (), *data + page_round (*datalen),
+ vm_deallocate (mach_task_self (),
+ (vm_address_t) *data + page_round (*datalen),
page_round (amount) - page_round (*datalen));
err = 0;
}
@@ -111,7 +120,7 @@ S_io_readable (struct sock_user *user,
ioctl routine; it's those routines that we need to simulate. So
this switch corresponds to the initialization of SK->prot in
af_inet.c:inet_create. */
- switch (sock->type)
+ switch (user->sock->type)
{
case SOCK_STREAM:
case SOCK_SEQPACKET:
@@ -147,15 +156,81 @@ S_io_readable (struct sock_user *user,
}
error_t
+S_io_set_all_openmodes (struct sock_user *user,
+ int bits)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+ if (bits & O_NONBLOCK)
+ user->sock->userflags |= O_NONBLOCK;
+ else
+ user->sock->userflags &= ~O_NONBLOCK;
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+error_t
+S_io_get_openmodes (struct sock_user *user,
+ int *bits)
+{
+ struct sock *sk;
+
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+ sk = user->sock->data;
+
+ *bits = 0;
+ if (!(sk->shutdown & SEND_SHUTDOWN))
+ *bits |= O_WRITE;
+ if (!(sk->shutdown & RCV_SHUTDOWN))
+ *bits |= O_READ;
+ if (user->sock->userflags & O_NONBLOCK)
+ *bits |= O_NONBLOCK;
+
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+error_t
+S_io_set_some_openmodes (struct sock_user *user,
+ int bits)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+ if (bits & O_NONBLOCK)
+ user->sock->userflags |= O_NONBLOCK;
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+error_t
+S_io_clear_some_openmodes (struct sock_user *user,
+ int bits)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+ if (bits & O_NONBLOCK)
+ user->sock->userflags &= ~O_NONBLOCK;
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+error_t
S_io_select (struct sock_user *user,
int *select_type,
int *id_tag)
{
- struct sock *sk;
- error_t err;
int avail = 0;
int cancel = 0;
- struct select_table table;
+ select_table table;
struct select_table_elt *elt, *nxt;
if (!user)
@@ -226,9 +301,135 @@ select_wait (struct wait_queue **wait_address, select_table *p)
struct select_table_elt *elt;
elt = malloc (sizeof (struct select_table_elt));
- elt->dependent_condition = (*wait_address)->c;
+ elt->dependent_condition = &(*wait_address)->c;
elt->next = p->head;
p->head = elt;
- condition_implies (elt->dependent_condition, p->master_condition);
+ condition_implies (elt->dependent_condition, &p->master_condition);
+}
+
+error_t
+S_io_stat (struct sock_user *user,
+ struct stat *st)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ bzero (st, sizeof (struct stat));
+
+ st->st_fstype = FSTYPE_SOCKET;
+ st->st_fsid = getpid ();
+ st->st_ino = (ino_t) user->sock; /* why not? */
+
+ st->st_blksize = 512; /* ???? */
+ return 0;
+}
+
+error_t
+S_io_reauthenticate (struct sock_user *user,
+ mach_port_t rend)
+{
+ struct sock_user *newuser;
+ uid_t gubuf[20], ggbuf[20], aubuf[20], agbuf[20];
+ uid_t *gen_uids, *gen_gids, *aux_uids, *aux_gids;
+ u_int genuidlen, gengidlen, auxuidlen, auxgidlen;
+ error_t err;
+ int i;
+ auth_t auth;
+
+ if (!user)
+ return EOPNOTSUPP;
+
+ genuidlen = gengidlen = auxuidlen = auxgidlen = 20;
+ gen_uids = gubuf;
+ gen_gids = ggbuf;
+ aux_uids = aubuf;
+ aux_gids = agbuf;
+
+ mutex_lock (&global_lock);
+ newuser = make_sock_user (user->sock, 0);
+
+ auth = getauth ();
+ err = auth_server_authenticate (auth,
+ ports_get_right (user),
+ MACH_MSG_TYPE_MAKE_SEND,
+ rend,
+ MACH_MSG_TYPE_MOVE_SEND,
+ ports_get_right (newuser),
+ MACH_MSG_TYPE_MAKE_SEND,
+ &gen_uids, &genuidlen,
+ &aux_uids, &auxuidlen,
+ &gen_gids, &gengidlen,
+ &aux_gids, &auxgidlen);
+ assert (!err); /* XXX */
+ mach_port_deallocate (mach_task_self (), auth);
+
+ for (i = 0; i < genuidlen; i++)
+ if (gen_uids[i] == 0)
+ newuser->isroot = 1;
+ mutex_unlock (&global_lock);
+
+ ports_port_deref (newuser);
+
+ if (gubuf != gen_uids)
+ vm_deallocate (mach_task_self (), (u_int) gen_uids,
+ genuidlen * sizeof (uid_t));
+ if (ggbuf != gen_gids)
+ vm_deallocate (mach_task_self (), (u_int) gen_gids,
+ gengidlen * sizeof (uid_t));
+ if (aubuf != aux_uids)
+ vm_deallocate (mach_task_self (), (u_int) aux_uids,
+ auxuidlen * sizeof (uid_t));
+ if (agbuf != aux_gids)
+ vm_deallocate (mach_task_self (), (u_int) aux_gids,
+ auxgidlen * sizeof (uid_t));
+
+ return 0;
}
+
+error_t
+S_io_restrict_auth (struct sock_user *user,
+ mach_port_t *newobject,
+ mach_msg_type_name_t *newobject_type,
+ uid_t *uids,
+ u_int uidslen,
+ uid_t *gids,
+ u_int gidslen)
+{
+ int i = 0;
+ int isroot;
+
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+
+ isroot = 0;
+ if (user->isroot)
+ for (i = 0; i < uidslen && !isroot; i++)
+ if (uids[i] == 0)
+ isroot = 1;
+
+ *newobject = ports_get_right (make_sock_user (user->sock, isroot));
+ *newobject_type = MACH_MSG_TYPE_MAKE_SEND;
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+error_t
+S_io_duplicate (struct sock_user *user,
+ mach_port_t *newobject,
+ mach_msg_type_name_t *newobject_type)
+{
+ if (!user)
+ return EOPNOTSUPP;
+
+ mutex_lock (&global_lock);
+ *newobject = ports_get_right (make_sock_user (user->sock, user->isroot));
+ *newobject_type = MACH_MSG_TYPE_MAKE_SEND;
+ mutex_unlock (&global_lock);
+ return 0;
+}
+
+
+
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