#define _NETINET_DHCP_OPTIONS_H
#include <sys/appleapiopts.h>
/*
- * Copyright (c) 1999-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ *
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
#define RFC_OPTIONS_MAGIC { 99, 130, 83, 99 }
#define RFC_MAGIC_SIZE 4 /* bytes */
-typedef enum {
+enum {
/* rfc 1497 vendor extensions: 0..18, 255 */
dhcptag_pad_e = 0,
dhcptag_end_e = 255,
/* ad-hoc network disable option */
dhcptag_auto_configure_e = 116,
-} dhcptag_t;
+};
+typedef uint8_t dhcptag_t;
/*
* Module: dhcpol (dhcp options list)
*/
typedef struct {
- void * * array; /* malloc'd array of pointers */
- int size; /* number of elements in array */
- int count; /* number of occupied elements */
+ const void * * array; /* malloc'd array of pointers */
+ int size; /* number of elements in array */
+ int count; /* number of occupied elements */
} ptrlist_t;
typedef ptrlist_t dhcpol_t;
void dhcpol_init(dhcpol_t * list);
void dhcpol_free(dhcpol_t * list);
int dhcpol_count(dhcpol_t * list);
-boolean_t dhcpol_add(dhcpol_t * list, void * element);
-void * dhcpol_element(dhcpol_t * list, int i);
+boolean_t dhcpol_add(dhcpol_t * list, const void * element);
+const void * dhcpol_element(dhcpol_t * list, int i);
boolean_t dhcpol_concat(dhcpol_t * list, dhcpol_t * extra);
-boolean_t dhcpol_parse_buffer(dhcpol_t * list, void * buffer,
- int length, unsigned char * err);
-void * dhcpol_find(dhcpol_t * list, int tag, int * len_p,
+boolean_t dhcpol_parse_buffer(dhcpol_t * list,
+ const void * buffer,
+ int length);
+const void * dhcpol_find(dhcpol_t * list, int tag, int * len_p,
int * start);
+#if 0
void * dhcpol_get(dhcpol_t * list, int tag, int * len_p);
+#endif 0
boolean_t dhcpol_parse_packet(dhcpol_t * options,
- struct dhcp * pkt, int len,
- unsigned char * err);
-boolean_t dhcpol_parse_vendor(dhcpol_t * vendor,
- dhcpol_t * options,
- unsigned char * err);
+ const struct dhcp * pkt, int len);
void dhcpol_print(dhcpol_t * list);
+/*
+ * Module: dhcpoa (dhcp options area)
+ *
+ * Purpose:
+ * Types and functions to create new dhcp option areas.
+ */
+
+/*
+ * Struct: dhcpoa_s
+ * Purpose:
+ * To record information about a dhcp option data area.
+ */
+struct dhcpoa_s {
+ uint8_t * oa_buffer; /* data area to hold options */
+ int oa_size; /* size of buffer */
+ int oa_offset; /* offset of next option to write */
+ int oa_end_tag; /* to mark when options are terminated */
+ int oa_option_count;/* number of options present */
+ int oa_reserve; /* space to reserve, either 0 or 1 */
+};
+
+/*
+ * Type: dhcpoa_t
+ *
+ * Purpose:
+ * To record information about a dhcp option data area.
+ */
+typedef struct dhcpoa_s dhcpoa_t;
+
+/*
+ * Type:dhcpoa_ret_t
+ *
+ * Purpose:
+ * outine return codes
+ */
+typedef enum {
+ dhcpoa_success_e = 0,
+ dhcpoa_failed_e,
+ dhcpoa_full_e,
+} dhcpoa_ret_t;
+
+void
+dhcpoa_init(dhcpoa_t * opt, void * buffer, int size);
+
+void
+dhcpoa_init_no_end(dhcpoa_t * opt, void * buffer, int size);
+
+dhcpoa_ret_t
+dhcpoa_add(dhcpoa_t * oa_p, dhcptag_t tag, int len, const void * data);
+
+dhcpoa_ret_t
+dhcpoa_add_dhcpmsg(dhcpoa_t * oa_p, dhcp_msgtype_t msgtype);
+
+#if 0
+dhcpoa_ret_t
+dhcpoa_vendor_add(dhcpoa_t * oa_p, dhcpoa_t * vendor_oa_p,
+ dhcptag_t tag, int len, void * option);
+#endif 0
+
+int
+dhcpoa_used(dhcpoa_t * oa_p);
+
+int
+dhcpoa_count(dhcpoa_t * oa_p);
+
+void *
+dhcpoa_buffer(dhcpoa_t * oa_p);
+
+int
+dhcpoa_freespace(dhcpoa_t * oa_p);
+
+int
+dhcpoa_size(dhcpoa_t * oa_p);
+
#endif KERNEL_PRIVATE
#endif /* _NETINET_DHCP_OPTIONS_H */
projects / apple / xnu.git / blobdiff