OpenSolaris Launch

1 files changed, 248 insertions, 0 deletions

diff --git a/usr/src/cmd/lp/lib/secure/secure.c b/usr/src/cmd/lp/lib/secure/secure.c
new file mode 100644
index 0000000000..4bc257f2b0
--- /dev/null
+++ b/usr/src/cmd/lp/lib/secure/secure.c
@@ -0,0 +1,248 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.14	*/
+/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
+
+#include "string.h"
+#include "sys/param.h"
+#include "stdlib.h"
+
+#include "lp.h"
+#include "secure.h"
+
+/**
+ ** getsecure() - EXTRACT SECURE REQUEST STRUCTURE FROM DISK FILE
+ **/
+
+SECURE *
+getsecure(char *file)
+{
+	static SECURE		secbuf;
+
+	char			buf[BUFSIZ],
+				*path;
+
+	int fd;
+
+	int			fld;
+
+
+	if (*file == '/')
+		path = Strdup(file);
+	else
+		path = makepath(Lp_Requests, file, (char *)0);
+	if (!path)
+		return (0);
+
+	if ((fd = open_locked(path, "r", MODE_NOREAD)) < 0) {
+		Free (path);
+		return (0);
+	}
+	Free (path);
+
+	secbuf.user = 0;
+	errno = 0;
+	for (
+		fld = 0;
+		fld < SC_MAX && fdgets(buf, BUFSIZ, fd);
+		fld++
+	) {
+		buf[strlen(buf) - 1] = 0;
+		switch (fld) {
+
+		case SC_REQID:
+			secbuf.req_id = Strdup(buf);
+			break;
+
+		case SC_UID:
+			secbuf.uid = (uid_t)atol(buf);
+			break;
+
+		case SC_USER:
+			secbuf.user = Strdup(buf);
+			break;
+
+		case SC_GID:
+			secbuf.gid = (gid_t)atol(buf);
+			break;
+
+		case SC_SIZE:
+			secbuf.size = (size_t)atol(buf);
+			break;
+
+		case SC_DATE:
+			secbuf.date = (time_t)atol(buf);
+			break;
+
+		case SC_SYSTEM:
+			secbuf.system = Strdup(buf);
+			break;
+		}
+	}
+	if (errno != 0 || fld != SC_MAX) {
+		int			save_errno = errno;
+
+		freesecure (&secbuf);
+		close(fd);
+		errno = save_errno;
+		return (0);
+	}
+	close(fd);
+
+	/*
+	 * Now go through the structure and see if we have
+	 * anything strange.
+	 */
+	if (
+	        secbuf.uid > MAXUID || secbuf.uid < -1
+	     || !secbuf.user
+	     || secbuf.gid > MAXUID || secbuf.gid < -1
+	     || secbuf.size == 0
+	     || secbuf.date <= 0
+	) {
+		freesecure (&secbuf);
+		errno = EBADF;
+		return (0);
+	}
+
+	return (&secbuf);
+}
+
+/**
+ ** putsecure() - WRITE SECURE REQUEST STRUCTURE TO DISK FILE
+ **/
+
+int
+putsecure(char *file, SECURE *secbufp)
+{
+	char			*path;
+
+	int fd;
+
+	int			fld;
+
+	if (*file == '/')
+		path = Strdup(file);
+	else
+		path = makepath(Lp_Requests, file, (char *)0);
+	if (!path)
+		return (-1);
+
+	if ((fd = open_locked(path, "w", MODE_NOREAD)) < 0) {
+		Free (path);
+		return (-1);
+	}
+	Free (path);
+
+	if (
+		!secbufp->req_id ||
+		!secbufp->user
+	)
+		return (-1);
+
+	for (fld = 0; fld < SC_MAX; fld++)
+
+		switch (fld) {
+
+		case SC_REQID:
+			(void)fdprintf(fd, "%s\n", secbufp->req_id);
+			break;
+
+		case SC_UID:
+			(void)fdprintf(fd, "%ld\n", secbufp->uid);
+			break;
+
+		case SC_USER:
+			(void)fdprintf(fd, "%s\n", secbufp->user);
+			break;
+
+		case SC_GID:
+			(void)fdprintf(fd, "%ld\n", secbufp->gid);
+			break;
+
+		case SC_SIZE:
+			(void)fdprintf(fd, "%lu\n", secbufp->size);
+			break;
+
+		case SC_DATE:
+			(void)fdprintf(fd, "%ld\n", secbufp->date);
+			break;
+
+		case SC_SYSTEM:
+			(void)fdprintf(fd, "%s\n", secbufp->system);
+			break;
+		}
+
+	close(fd);
+
+	return (0);
+}
+
+/*
+**  rmsecure ()
+**
+**	o  'reqfilep' is of the form 'node-name/request-file'
+**	   e.g. 'sfcalv/123-0'.
+*/
+int
+rmsecure (char *reqfilep)
+{
+	int	n;
+	char *	pathp;
+
+	pathp = makepath (Lp_Requests, reqfilep, (char *) 0);
+	if (! pathp)
+		return	-1;
+
+	n = Unlink (pathp);
+	Free (pathp);
+
+	return	n;
+}
+
+/**
+ ** freesecure() - FREE A SECURE STRUCTURE
+ **/
+
+void
+freesecure(SECURE *secbufp)
+{
+	if (!secbufp)
+		return;
+	if (secbufp->req_id)
+		Free (secbufp->req_id);
+	if (secbufp->user)
+		Free (secbufp->user);
+	if (secbufp->system)
+		Free (secbufp->system);
+	return;
+}
+