Dependencies:   mbed

Committer:
robertcook
Date:
Wed Jun 13 18:39:46 2012 +0000
Revision:
0:32a0996dff0f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robertcook 0:32a0996dff0f 1 /**
robertcook 0:32a0996dff0f 2 * @file
robertcook 0:32a0996dff0f 3 * Abstract Syntax Notation One (ISO 8824, 8825) codec.
robertcook 0:32a0996dff0f 4 */
robertcook 0:32a0996dff0f 5
robertcook 0:32a0996dff0f 6 /*
robertcook 0:32a0996dff0f 7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
robertcook 0:32a0996dff0f 8 * All rights reserved.
robertcook 0:32a0996dff0f 9 *
robertcook 0:32a0996dff0f 10 * Redistribution and use in source and binary forms, with or without modification,
robertcook 0:32a0996dff0f 11 * are permitted provided that the following conditions are met:
robertcook 0:32a0996dff0f 12 *
robertcook 0:32a0996dff0f 13 * 1. Redistributions of source code must retain the above copyright notice,
robertcook 0:32a0996dff0f 14 * this list of conditions and the following disclaimer.
robertcook 0:32a0996dff0f 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
robertcook 0:32a0996dff0f 16 * this list of conditions and the following disclaimer in the documentation
robertcook 0:32a0996dff0f 17 * and/or other materials provided with the distribution.
robertcook 0:32a0996dff0f 18 * 3. The name of the author may not be used to endorse or promote products
robertcook 0:32a0996dff0f 19 * derived from this software without specific prior written permission.
robertcook 0:32a0996dff0f 20 *
robertcook 0:32a0996dff0f 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
robertcook 0:32a0996dff0f 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
robertcook 0:32a0996dff0f 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
robertcook 0:32a0996dff0f 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
robertcook 0:32a0996dff0f 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
robertcook 0:32a0996dff0f 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
robertcook 0:32a0996dff0f 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
robertcook 0:32a0996dff0f 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
robertcook 0:32a0996dff0f 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
robertcook 0:32a0996dff0f 30 * OF SUCH DAMAGE.
robertcook 0:32a0996dff0f 31 *
robertcook 0:32a0996dff0f 32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
robertcook 0:32a0996dff0f 33 */
robertcook 0:32a0996dff0f 34
robertcook 0:32a0996dff0f 35 #ifndef __LWIP_SNMP_ASN1_H__
robertcook 0:32a0996dff0f 36 #define __LWIP_SNMP_ASN1_H__
robertcook 0:32a0996dff0f 37
robertcook 0:32a0996dff0f 38 #include "lwip/opt.h"
robertcook 0:32a0996dff0f 39 #include "lwip/err.h"
robertcook 0:32a0996dff0f 40 #include "lwip/pbuf.h"
robertcook 0:32a0996dff0f 41 #include "lwip/snmp.h"
robertcook 0:32a0996dff0f 42
robertcook 0:32a0996dff0f 43 #if LWIP_SNMP
robertcook 0:32a0996dff0f 44
robertcook 0:32a0996dff0f 45 #ifdef __cplusplus
robertcook 0:32a0996dff0f 46 extern "C" {
robertcook 0:32a0996dff0f 47 #endif
robertcook 0:32a0996dff0f 48
robertcook 0:32a0996dff0f 49 #define SNMP_ASN1_UNIV (0) /* (!0x80 | !0x40) */
robertcook 0:32a0996dff0f 50 #define SNMP_ASN1_APPLIC (0x40) /* (!0x80 | 0x40) */
robertcook 0:32a0996dff0f 51 #define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */
robertcook 0:32a0996dff0f 52
robertcook 0:32a0996dff0f 53 #define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
robertcook 0:32a0996dff0f 54 #define SNMP_ASN1_PRIMIT (0) /* (!0x20) */
robertcook 0:32a0996dff0f 55
robertcook 0:32a0996dff0f 56 /* universal tags */
robertcook 0:32a0996dff0f 57 #define SNMP_ASN1_INTEG 2
robertcook 0:32a0996dff0f 58 #define SNMP_ASN1_OC_STR 4
robertcook 0:32a0996dff0f 59 #define SNMP_ASN1_NUL 5
robertcook 0:32a0996dff0f 60 #define SNMP_ASN1_OBJ_ID 6
robertcook 0:32a0996dff0f 61 #define SNMP_ASN1_SEQ 16
robertcook 0:32a0996dff0f 62
robertcook 0:32a0996dff0f 63 /* application specific (SNMP) tags */
robertcook 0:32a0996dff0f 64 #define SNMP_ASN1_IPADDR 0 /* octet string size(4) */
robertcook 0:32a0996dff0f 65 #define SNMP_ASN1_COUNTER 1 /* u32_t */
robertcook 0:32a0996dff0f 66 #define SNMP_ASN1_GAUGE 2 /* u32_t */
robertcook 0:32a0996dff0f 67 #define SNMP_ASN1_TIMETICKS 3 /* u32_t */
robertcook 0:32a0996dff0f 68 #define SNMP_ASN1_OPAQUE 4 /* octet string */
robertcook 0:32a0996dff0f 69
robertcook 0:32a0996dff0f 70 /* context specific (SNMP) tags */
robertcook 0:32a0996dff0f 71 #define SNMP_ASN1_PDU_GET_REQ 0
robertcook 0:32a0996dff0f 72 #define SNMP_ASN1_PDU_GET_NEXT_REQ 1
robertcook 0:32a0996dff0f 73 #define SNMP_ASN1_PDU_GET_RESP 2
robertcook 0:32a0996dff0f 74 #define SNMP_ASN1_PDU_SET_REQ 3
robertcook 0:32a0996dff0f 75 #define SNMP_ASN1_PDU_TRAP 4
robertcook 0:32a0996dff0f 76
robertcook 0:32a0996dff0f 77 err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);
robertcook 0:32a0996dff0f 78 err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);
robertcook 0:32a0996dff0f 79 err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value);
robertcook 0:32a0996dff0f 80 err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value);
robertcook 0:32a0996dff0f 81 err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid);
robertcook 0:32a0996dff0f 82 err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw);
robertcook 0:32a0996dff0f 83
robertcook 0:32a0996dff0f 84 void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);
robertcook 0:32a0996dff0f 85 void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);
robertcook 0:32a0996dff0f 86 void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);
robertcook 0:32a0996dff0f 87 void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed);
robertcook 0:32a0996dff0f 88 err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type);
robertcook 0:32a0996dff0f 89 err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length);
robertcook 0:32a0996dff0f 90 err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value);
robertcook 0:32a0996dff0f 91 err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value);
robertcook 0:32a0996dff0f 92 err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident);
robertcook 0:32a0996dff0f 93 err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw);
robertcook 0:32a0996dff0f 94
robertcook 0:32a0996dff0f 95 #ifdef __cplusplus
robertcook 0:32a0996dff0f 96 }
robertcook 0:32a0996dff0f 97 #endif
robertcook 0:32a0996dff0f 98
robertcook 0:32a0996dff0f 99 #endif /* LWIP_SNMP */
robertcook 0:32a0996dff0f 100
robertcook 0:32a0996dff0f 101 #endif /* __LWIP_SNMP_ASN1_H__ */