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Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

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GordonSin 0:0ed2a7c7190c 1 /**
GordonSin 0:0ed2a7c7190c 2 * @file
GordonSin 0:0ed2a7c7190c 3 * Abstract Syntax Notation One (ISO 8824, 8825) codec.
GordonSin 0:0ed2a7c7190c 4 */
GordonSin 0:0ed2a7c7190c 5
GordonSin 0:0ed2a7c7190c 6 /*
GordonSin 0:0ed2a7c7190c 7 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
GordonSin 0:0ed2a7c7190c 8 * All rights reserved.
GordonSin 0:0ed2a7c7190c 9 *
GordonSin 0:0ed2a7c7190c 10 * Redistribution and use in source and binary forms, with or without modification,
GordonSin 0:0ed2a7c7190c 11 * are permitted provided that the following conditions are met:
GordonSin 0:0ed2a7c7190c 12 *
GordonSin 0:0ed2a7c7190c 13 * 1. Redistributions of source code must retain the above copyright notice,
GordonSin 0:0ed2a7c7190c 14 * this list of conditions and the following disclaimer.
GordonSin 0:0ed2a7c7190c 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
GordonSin 0:0ed2a7c7190c 16 * this list of conditions and the following disclaimer in the documentation
GordonSin 0:0ed2a7c7190c 17 * and/or other materials provided with the distribution.
GordonSin 0:0ed2a7c7190c 18 * 3. The name of the author may not be used to endorse or promote products
GordonSin 0:0ed2a7c7190c 19 * derived from this software without specific prior written permission.
GordonSin 0:0ed2a7c7190c 20 *
GordonSin 0:0ed2a7c7190c 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
GordonSin 0:0ed2a7c7190c 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
GordonSin 0:0ed2a7c7190c 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
GordonSin 0:0ed2a7c7190c 24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
GordonSin 0:0ed2a7c7190c 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
GordonSin 0:0ed2a7c7190c 26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
GordonSin 0:0ed2a7c7190c 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
GordonSin 0:0ed2a7c7190c 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
GordonSin 0:0ed2a7c7190c 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
GordonSin 0:0ed2a7c7190c 30 * OF SUCH DAMAGE.
GordonSin 0:0ed2a7c7190c 31 *
GordonSin 0:0ed2a7c7190c 32 * Author: Christiaan Simons <christiaan.simons@axon.tv>
GordonSin 0:0ed2a7c7190c 33 */
GordonSin 0:0ed2a7c7190c 34
GordonSin 0:0ed2a7c7190c 35 #ifndef __LWIP_SNMP_ASN1_H__
GordonSin 0:0ed2a7c7190c 36 #define __LWIP_SNMP_ASN1_H__
GordonSin 0:0ed2a7c7190c 37
GordonSin 0:0ed2a7c7190c 38 #include "lwip/opt.h"
GordonSin 0:0ed2a7c7190c 39 #include "lwip/err.h"
GordonSin 0:0ed2a7c7190c 40 #include "lwip/pbuf.h"
GordonSin 0:0ed2a7c7190c 41 #include "lwip/snmp.h"
GordonSin 0:0ed2a7c7190c 42
GordonSin 0:0ed2a7c7190c 43 #if LWIP_SNMP
GordonSin 0:0ed2a7c7190c 44
GordonSin 0:0ed2a7c7190c 45 #ifdef __cplusplus
GordonSin 0:0ed2a7c7190c 46 extern "C" {
GordonSin 0:0ed2a7c7190c 47 #endif
GordonSin 0:0ed2a7c7190c 48
GordonSin 0:0ed2a7c7190c 49 #define SNMP_ASN1_UNIV (0) /* (!0x80 | !0x40) */
GordonSin 0:0ed2a7c7190c 50 #define SNMP_ASN1_APPLIC (0x40) /* (!0x80 | 0x40) */
GordonSin 0:0ed2a7c7190c 51 #define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */
GordonSin 0:0ed2a7c7190c 52
GordonSin 0:0ed2a7c7190c 53 #define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
GordonSin 0:0ed2a7c7190c 54 #define SNMP_ASN1_PRIMIT (0) /* (!0x20) */
GordonSin 0:0ed2a7c7190c 55
GordonSin 0:0ed2a7c7190c 56 /* universal tags */
GordonSin 0:0ed2a7c7190c 57 #define SNMP_ASN1_INTEG 2
GordonSin 0:0ed2a7c7190c 58 #define SNMP_ASN1_OC_STR 4
GordonSin 0:0ed2a7c7190c 59 #define SNMP_ASN1_NUL 5
GordonSin 0:0ed2a7c7190c 60 #define SNMP_ASN1_OBJ_ID 6
GordonSin 0:0ed2a7c7190c 61 #define SNMP_ASN1_SEQ 16
GordonSin 0:0ed2a7c7190c 62
GordonSin 0:0ed2a7c7190c 63 /* application specific (SNMP) tags */
GordonSin 0:0ed2a7c7190c 64 #define SNMP_ASN1_IPADDR 0 /* octet string size(4) */
GordonSin 0:0ed2a7c7190c 65 #define SNMP_ASN1_COUNTER 1 /* u32_t */
GordonSin 0:0ed2a7c7190c 66 #define SNMP_ASN1_GAUGE 2 /* u32_t */
GordonSin 0:0ed2a7c7190c 67 #define SNMP_ASN1_TIMETICKS 3 /* u32_t */
GordonSin 0:0ed2a7c7190c 68 #define SNMP_ASN1_OPAQUE 4 /* octet string */
GordonSin 0:0ed2a7c7190c 69
GordonSin 0:0ed2a7c7190c 70 /* context specific (SNMP) tags */
GordonSin 0:0ed2a7c7190c 71 #define SNMP_ASN1_PDU_GET_REQ 0
GordonSin 0:0ed2a7c7190c 72 #define SNMP_ASN1_PDU_GET_NEXT_REQ 1
GordonSin 0:0ed2a7c7190c 73 #define SNMP_ASN1_PDU_GET_RESP 2
GordonSin 0:0ed2a7c7190c 74 #define SNMP_ASN1_PDU_SET_REQ 3
GordonSin 0:0ed2a7c7190c 75 #define SNMP_ASN1_PDU_TRAP 4
GordonSin 0:0ed2a7c7190c 76
GordonSin 0:0ed2a7c7190c 77 err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);
GordonSin 0:0ed2a7c7190c 78 err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);
GordonSin 0:0ed2a7c7190c 79 err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value);
GordonSin 0:0ed2a7c7190c 80 err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value);
GordonSin 0:0ed2a7c7190c 81 err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid);
GordonSin 0:0ed2a7c7190c 82 err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw);
GordonSin 0:0ed2a7c7190c 83
GordonSin 0:0ed2a7c7190c 84 void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);
GordonSin 0:0ed2a7c7190c 85 void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);
GordonSin 0:0ed2a7c7190c 86 void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);
GordonSin 0:0ed2a7c7190c 87 void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed);
GordonSin 0:0ed2a7c7190c 88 err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type);
GordonSin 0:0ed2a7c7190c 89 err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length);
GordonSin 0:0ed2a7c7190c 90 err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value);
GordonSin 0:0ed2a7c7190c 91 err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value);
GordonSin 0:0ed2a7c7190c 92 err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident);
GordonSin 0:0ed2a7c7190c 93 err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw);
GordonSin 0:0ed2a7c7190c 94
GordonSin 0:0ed2a7c7190c 95 #ifdef __cplusplus
GordonSin 0:0ed2a7c7190c 96 }
GordonSin 0:0ed2a7c7190c 97 #endif
GordonSin 0:0ed2a7c7190c 98
GordonSin 0:0ed2a7c7190c 99 #endif /* LWIP_SNMP */
GordonSin 0:0ed2a7c7190c 100
GordonSin 0:0ed2a7c7190c 101 #endif /* __LWIP_SNMP_ASN1_H__ */