/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* ppp_deflate.c - interface the zlib procedures for Deflate compression
* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <net/ppp_defs.h>
-#include <net/zlib.h>
+#include <libkern/zlib.h>
#define PACKETPTR struct mbuf *
#include <net/ppp_comp.h>
+#if CONFIG_MACF_NET
+#include <security/mac_framework.h>
+#endif
+
#if DO_DEFLATE
#define DEFLATE_DEBUG 1
#define DEFLATE_OVHD 2 /* Deflate overhead/packet */
-static void *z_alloc __P((void *, u_int items, u_int size));
-static void z_free __P((void *, void *ptr));
-static void *z_comp_alloc __P((u_char *options, int opt_len));
-static void *z_decomp_alloc __P((u_char *options, int opt_len));
-static void z_comp_free __P((void *state));
-static void z_decomp_free __P((void *state));
-static int z_comp_init __P((void *state, u_char *options, int opt_len,
- int unit, int hdrlen, int debug));
-static int z_decomp_init __P((void *state, u_char *options, int opt_len,
- int unit, int hdrlen, int mru, int debug));
-static int z_compress __P((void *state, struct mbuf **mret,
- struct mbuf *mp, int slen, int maxolen));
-static void z_incomp __P((void *state, struct mbuf *dmsg));
-static int z_decompress __P((void *state, struct mbuf *cmp,
- struct mbuf **dmpp));
-static void z_comp_reset __P((void *state));
-static void z_decomp_reset __P((void *state));
-static void z_comp_stats __P((void *state, struct compstat *stats));
+static void *z_alloc(void *, u_int items, u_int size);
+static void z_free(void *, void *ptr);
+static void *z_comp_alloc(u_char *options, int opt_len);
+static void *z_decomp_alloc(u_char *options, int opt_len);
+static void z_comp_free(void *state);
+static void z_decomp_free(void *state);
+static int z_comp_init(void *state, u_char *options, int opt_len,
+ int unit, int hdrlen, int debug);
+static int z_decomp_init(void *state, u_char *options, int opt_len,
+ int unit, int hdrlen, int mru, int debug);
+static int z_compress(void *state, struct mbuf **mret,
+ struct mbuf *mp, int slen, int maxolen);
+static void z_incomp(void *state, struct mbuf *dmsg);
+static int z_decompress(void *state, struct mbuf *cmp, struct mbuf **dmpp);
+static void z_comp_reset(void *state);
+static void z_decomp_reset(void *state);
+static void z_comp_stats(void *state, struct compstat *stats);
/*
* Procedures exported to if_ppp.c.
}
++state->seqno;
- rptr += (proto > 0xff)? 2: 3; /* skip 1st proto byte if 0 */
+ rptr += (proto > 0xff)? 2: 3; /* skip 1st proto byte if 0 */
state->strm.next_in = rptr;
state->strm.avail_in = mtod(mp, u_char *) + mp->m_len - rptr;
mp = mp->m_next;
mo->m_data += state->hdrlen;
ospace -= state->hdrlen;
}
+#if CONFIG_MACF_NET
+ mac_mbuf_label_copy(mi, mo);
+#endif
/*
* Fill in the first part of the PPP header. The protocol field
projects / apple / xnu.git / blobdiff