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-rw-r--r--libiohelp/ChangeLog16
-rw-r--r--libiohelp/Makefile6
-rw-r--r--libiohelp/iohelp.h29
-rw-r--r--libiohelp/iouser-create.c32
-rw-r--r--libiohelp/iouser-dup.c50
-rw-r--r--libiohelp/iouser-free.c28
-rw-r--r--libiohelp/iouser-reauth.c104
7 files changed, 262 insertions, 3 deletions
diff --git a/libiohelp/ChangeLog b/libiohelp/ChangeLog
index e70d5d14..a4dce1f8 100644
--- a/libiohelp/ChangeLog
+++ b/libiohelp/ChangeLog
@@ -1,3 +1,19 @@
+Wed Nov 6 19:26:14 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
+
+ * Makefile (SRCS): Add iouser-create.c, iouser-dup.c
+ iouser-reauth.c, and iouser-free.c.
+ (OBJS): Compute automatically.
+
+ * iohelp.h (iohelp_create_user): New function.
+ * iouser-create.c: New file.
+
+Tue Nov 5 21:51:24 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
+
+ * iohelp.h (struct iouser): New type.
+ (iohelp_dup_iouser, iohelp_free_iouser, iohelp_reauth): New
+ functions.
+ * iouser-dup.c, iouser-reauth.c, iouser-free.c: New files.
+
Thu Sep 12 16:18:46 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* Makefile (HURDLIBS): New variable.
diff --git a/libiohelp/Makefile b/libiohelp/Makefile
index 9202f9e8..61d20aa9 100644
--- a/libiohelp/Makefile
+++ b/libiohelp/Makefile
@@ -19,9 +19,9 @@ dir := libiohelp
makemode := library
SRCS = get_conch.c handle_io_get_conch.c handle_io_release_conch.c \
- initialize_conch.c verify_user_conch.c
-OBJS = get_conch.o handle_io_get_conch.o handle_io_release_conch.o \
- initialize_conch.o verify_user_conch.o
+ initialize_conch.c verify_user_conch.c iouser-create.c \
+ iouser-dup.c iouser-reauth.c iouser-free.c
+OBJS = $(SRCS:.c=.o)
LCLHDRS = iohelp.h
HURDLIBS = threads
libname = libiohelp
diff --git a/libiohelp/iohelp.h b/libiohelp/iohelp.h
index 2897653d..f4a8615e 100644
--- a/libiohelp/iohelp.h
+++ b/libiohelp/iohelp.h
@@ -64,4 +64,33 @@ void iohelp_fetch_shared_data (void *);
void iohelp_put_shared_data (void *);
+
+/* User identification */
+
+struct iouser
+{
+ struct idvec *uids, *gids;
+ void *hook; /* Never used by iohelp library */
+};
+
+/* Return a copy of IOUSER. */
+struct iouser *iohelp_dup_iouser (struct iouser *iouser);
+
+/* Free a reference to IOUSER. */
+void iohelp_free_iouser (struct iouser *iouser);
+
+/* Create a new IOUSER for the specified idvecs */
+struc iouser *iohelp_create_iouser (struct idvec *uids, struct idvec *gids);
+
+/* Conduct a reauthentication transaction, returning a new iouser.
+ AUTHSERVER is the I/O servers auth port. The rendezvous port
+ provided by the user is REND_PORT. If the transaction cannot be
+ completed, return zero, unless PERMIT_FAILURE is non-zero. If
+ PERMIT_FAILURE is nonzero, then should the transaction fail, return
+ an iouser that has no ids. The new port to be sent to the user is
+ newright. */
+struct iouser *iohelp_reauth (auth_t authserver, mach_port_t rend_port,
+ mach_port_t newright, int permit_failure);
+
+
#endif
diff --git a/libiohelp/iouser-create.c b/libiohelp/iouser-create.c
new file mode 100644
index 00000000..69b9f7e1
--- /dev/null
+++ b/libiohelp/iouser-create.c
@@ -0,0 +1,32 @@
+/*
+ Copyright (C) 1996 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "iohelp.h"
+
+struct iouser *
+iohelp_create_iouser (struct idvec *uids, struct idvec *gids)
+{
+ struct iouser *new;
+ new = malloc (sizeof (struct iouser));
+ if (!new)
+ return 0;
+
+ new->uids = uids;
+ new->gids = gids;
+ return new;
+}
+
diff --git a/libiohelp/iouser-dup.c b/libiohelp/iouser-dup.c
new file mode 100644
index 00000000..f6839ac2
--- /dev/null
+++ b/libiohelp/iouser-dup.c
@@ -0,0 +1,50 @@
+/*
+ Copyright (C) 1996 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "iohelp.h"
+
+struct iouser *
+iohelp_dup_iouser (struct iouser *iouser)
+{
+ struct iouser *new;
+ error_t err = 0;
+
+ new = malloc (sizeof (struct iouser));
+ if (!new)
+ return 0;
+
+ new->uids = make_idvec ();
+ new->gids = make_idvec ();
+ if (!new->uids || !new->gids)
+ goto lose;
+
+ err = idvec_set (new->uids, iouser->uids);
+ if (!err)
+ err = idvec_set (new->gids, iouser->gids);
+
+ if (err)
+ {
+ lose:
+ if (new->uids)
+ idvec_free (new->uids);
+ if (new->gids)
+ idvec_free (new->gids);
+ free (new);
+ return 0;
+ }
+ return new;
+}
diff --git a/libiohelp/iouser-free.c b/libiohelp/iouser-free.c
new file mode 100644
index 00000000..4cfdc954
--- /dev/null
+++ b/libiohelp/iouser-free.c
@@ -0,0 +1,28 @@
+/*
+ Copyright (C) 1996 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "iohelp.h"
+
+void
+iohelp_free_iouser (struct iouser *iouser)
+{
+ idvec_free (iouser->uids);
+ idvec_free (iouser->gids);
+ free (iouser);
+}
+
+
diff --git a/libiohelp/iouser-reauth.c b/libiohelp/iouser-reauth.c
new file mode 100644
index 00000000..d4b67ff6
--- /dev/null
+++ b/libiohelp/iouser-reauth.c
@@ -0,0 +1,104 @@
+/*
+ Copyright (C) 1996 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "iohelp.h"
+
+/* Conduct a reauthentication transaction, returning a new iouser.
+ AUTHSERVER is the I/O servers auth port. The rendezvous port
+ provided by the user is REND_PORT. If the transaction cannot be
+ completed, return zero, unless PERMIT_FAILURE is non-zero. If
+ PERMIT_FAILURE is nonzero, then should the transaction fail, return
+ an iouser that has no ids. The new port to be sent to the user is
+ newright. */
+struct iouser *iohelp_reauth (auth_t authserver, mach_port_t rend_port,
+ mach_port_t newright, int permit_failure)
+{
+ 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;
+ struct iouser *new;
+
+ new = malloc (sizeof (struct iouser));
+ if (!new)
+ return 0;
+
+ new->uids = make_idvec ();
+ new->gids = make_idvec ();
+ if (!new->uids || !new->gids)
+ {
+ if (new->uids)
+ idvec_free (new->uids);
+ if (new->gids)
+ idvec_free (new->gids);
+ free (new);
+ return 0;
+ }
+
+ genuidlen = gengidlen = auxuidlen = auxgidlen = 20;
+ gen_uids = gubuf;
+ gen_gids = ggbuf;
+ aux_uids = aubuf;
+ aux_gids = agbuf;
+
+ do
+ err = auth_server_authenticate (authserver,
+ rend_port,
+ MACH_MSG_TYPE_COPY_SEND,
+ newright,
+ MACH_MSG_TYPE_COPY_SEND,
+ &gen_uids, &genuidlen,
+ &aux_uids, &auxuidlen,
+ &gen_gids, &gengidlen,
+ &aux_gids, &auxgidlen);
+ while (err == EINTR);
+
+ if (err)
+ {
+ if (permit_failure)
+ genuidlen = gengidlen = 0;
+ else
+ goto out;
+ }
+
+ err = idvec_set_ids (new->uids, gen_uids, genuidlen);
+ if (!err)
+ err = idvec_set_ids (new->gids, gen_gids, gengidlen);
+
+ 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));
+
+ if (err)
+ {
+ out:
+ idvec_free (new->uids);
+ idvec_free (new->gids);
+ free (new);
+ return 0;
+ }
+ return new;
+}
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