asn1.h File Reference

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Macros
#define	MAX_SUBID   0xFFFFFFFF
#define	MAX_OID_LEN   128 /* max subid's in an oid, per SNMP spec. */
#define	ASN_BOOLEAN   (0x01)
#define	ASN_INTEGER   (0x02)
#define	ASN_BIT_STR   (0x03)
#define	ASN_OCTET_STR   (0x04)
#define	ASN_NULL   (0x05)
#define	ASN_OBJECT_ID   (0x06)
#define	ASN_SEQUENCE   (0x10)
#define	ASN_SET   (0x11)
#define	ASN_UNIVERSAL   (0x00)
#define	ASN_APPLICATION   (0x40)
#define	ASN_CONTEXT   (0x80)
#define	ASN_PRIVATE   (0xC0)
#define	ASN_PRIMITIVE   (0x00)
#define	ASN_CONSTRUCTOR   (0x20)
#define	ASN_LONG_LEN   (0x80)
#define	ASN_EXTENSION_ID   (0x1F)
#define	ASN_BIT8   (0x80)
#define	IS_CONSTRUCTOR(byte)   ((byte) & ASN_CONSTRUCTOR)
#define	IS_EXTENSION_ID(byte)   (((byte) & ASN_EXTENSION_ID) == ASN_EXTENSION_ID)

Typedefs
typedef u_int	oid

Functions
u_char *	asn_build_header (u_char *, int *, u_char, int)
u_char *	asn_parse_int (u_char *, int *, u_char *, int *, int)
u_char *	asn_parse_unsigned_int (u_char *, int *, u_char *, u_int *, int)
u_char *	asn_build_int (u_char *, int *, u_char, int *, int)
u_char *	asn_build_unsigned_int (u_char *, int *, u_char, u_int *, int)
u_char *	asn_parse_string (u_char *, int *, u_char *, u_char *, int *)
u_char *	asn_build_string (u_char *, int *, u_char, u_char *, int)
u_char *	asn_parse_header (u_char *, int *, u_char *)
u_char *	asn_build_header_with_truth (u_char *, int *, u_char, int, int)
u_char *	asn_parse_length (u_char *, u_int *)
u_char *	asn_build_length (u_char *, int *, int, int)
u_char *	asn_parse_objid (u_char *, int *, u_char *, oid *, int *)
u_char *	asn_build_objid (u_char *, int *, u_char, oid *, int)
u_char *	asn_parse_null (u_char *, int *, u_char *)
u_char *	asn_build_null (u_char *, int *, u_char)
u_char *	asn_build_exception (u_char *, int *, u_char)

Macro Definition Documentation

ASN_APPLICATION

#define ASN_APPLICATION   (0x40)

Definition at line 61 of file asn1.h.

ASN_BIT8

#define ASN_BIT8   (0x80)

Definition at line 70 of file asn1.h.

ASN_BIT_STR

#define ASN_BIT_STR   (0x03)

Definition at line 53 of file asn1.h.

ASN_BOOLEAN

#define ASN_BOOLEAN   (0x01)

Definition at line 51 of file asn1.h.

ASN_CONSTRUCTOR

#define ASN_CONSTRUCTOR   (0x20)

Definition at line 66 of file asn1.h.

ASN_CONTEXT

#define ASN_CONTEXT   (0x80)

Definition at line 62 of file asn1.h.

ASN_EXTENSION_ID

#define ASN_EXTENSION_ID   (0x1F)

Definition at line 69 of file asn1.h.

ASN_INTEGER

#define ASN_INTEGER   (0x02)

Definition at line 52 of file asn1.h.

ASN_LONG_LEN

#define ASN_LONG_LEN   (0x80)

Definition at line 68 of file asn1.h.

ASN_NULL

#define ASN_NULL   (0x05)

Definition at line 55 of file asn1.h.

ASN_OBJECT_ID

#define ASN_OBJECT_ID   (0x06)

Definition at line 56 of file asn1.h.

ASN_OCTET_STR

#define ASN_OCTET_STR   (0x04)

Definition at line 54 of file asn1.h.

ASN_PRIMITIVE

#define ASN_PRIMITIVE   (0x00)

Definition at line 65 of file asn1.h.

ASN_PRIVATE

#define ASN_PRIVATE   (0xC0)

Definition at line 63 of file asn1.h.

ASN_SEQUENCE

#define ASN_SEQUENCE   (0x10)

Definition at line 57 of file asn1.h.

ASN_SET

#define ASN_SET   (0x11)

Definition at line 58 of file asn1.h.

ASN_UNIVERSAL

#define ASN_UNIVERSAL   (0x00)

Definition at line 60 of file asn1.h.

IS_CONSTRUCTOR

#define IS_CONSTRUCTOR

(

byte

)

((byte) & ASN_CONSTRUCTOR)

Definition at line 72 of file asn1.h.

IS_EXTENSION_ID

#define IS_EXTENSION_ID

(

byte

)

(((byte) & ASN_EXTENSION_ID) == ASN_EXTENSION_ID)

Definition at line 73 of file asn1.h.

MAX_OID_LEN

#define MAX_OID_LEN   128 /* max subid's in an oid, per SNMP spec. */

Definition at line 49 of file asn1.h.

MAX_SUBID

#define MAX_SUBID   0xFFFFFFFF

Definition at line 43 of file asn1.h.

Typedef Documentation

oid

typedef u_int oid

Definition at line 42 of file asn1.h.

Function Documentation

asn_build_exception()

u_char * asn_build_exception	(	u_char *	data,
		int *	datalength,
		u_char	type
	)

Definition at line 837 of file asn1.c.

References asn_build_header_with_truth().

Referenced by snmp_var_EncodeVarBind().

asn_build_header()

u_char * asn_build_header	(	u_char *	data,
		int *	datalength,
		u_char	type,
		int	length
	)

Definition at line 93 of file asn1.c.

References asn_build_header_with_truth().

Referenced by snmp_msg_Encode(), and snmp_var_EncodeVarBind().

asn_build_header_with_truth()

u_char * asn_build_header_with_truth	(	u_char *	data,
		int *	datalength,
		u_char	type,
		int	length,
		int	truth
	)

Definition at line 513 of file asn1.c.

References asn_build_length(), NULL, snmp_set_api_error(), and SNMPERR_ASN_ENCODE.

Referenced by asn_build_exception(), asn_build_header(), asn_build_int(), asn_build_null(), asn_build_objid(), asn_build_string(), and asn_build_unsigned_int().

asn_build_int()

u_char * asn_build_int	(	u_char *	data,
		int *	datalength,
		u_char	type,
		int *	intp,
		int	intsize
	)

Definition at line 245 of file asn1.c.

References asn_build_header_with_truth(), int, NULL, snmp_set_api_error(), and SNMPERR_ASN_ENCODE.

Referenced by snmp_msg_Encode(), snmp_pdu_encode(), and snmp_var_EncodeVarBind().

asn_build_length()

u_char * asn_build_length	(	u_char *	data,
		int *	datalength,
		int	length,
		int	truth
	)

Definition at line 570 of file asn1.c.

References ASN_LONG_LEN, NULL, snmp_set_api_error(), and SNMPERR_ASN_ENCODE.

Referenced by asn_build_header_with_truth().

asn_build_null()

u_char * asn_build_null	(	u_char *	data,
		int *	datalength,
		u_char	type
	)

Definition at line 803 of file asn1.c.

References asn_build_header_with_truth().

Referenced by snmp_var_EncodeVarBind().

asn_build_objid()

u_char * asn_build_objid	(	u_char *	data,
		int *	datalength,
		u_char	type,
		oid *	objid,
		int	objidlength
	)

Definition at line 723 of file asn1.c.

References ASN_BIT8, asn_build_header_with_truth(), MAX_OID_LEN, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_pdu_encode(), and snmp_var_EncodeVarBind().

asn_build_string()

u_char * asn_build_string	(	u_char *	data,
		int *	datalength,
		u_char	type,
		u_char *	string,
		int	strlength
	)

Definition at line 433 of file asn1.c.

References asn_build_header_with_truth(), NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_msg_Encode(), snmp_pdu_encode(), and snmp_var_EncodeVarBind().

asn_build_unsigned_int()

u_char * asn_build_unsigned_int	(	u_char *	data,
		int *	datalength,
		u_char	type,
		u_int *	intp,
		int	intsize
	)

Definition at line 311 of file asn1.c.

References asn_build_header_with_truth(), int, NULL, snmp_set_api_error(), and SNMPERR_ASN_ENCODE.

Referenced by snmp_pdu_encode(), and snmp_var_EncodeVarBind().

asn_parse_header()

u_char * asn_parse_header	(	u_char *	data,
		int *	datalength,
		u_char *	type
	)

Definition at line 470 of file asn1.c.

References asn_parse_length(), int, IS_EXTENSION_ID, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_msg_Decode(), snmp_pdu_decode(), and snmp_var_DecodeVarBind().

asn_parse_int()

u_char * asn_parse_int	(	u_char *	data,
		int *	datalength,
		u_char *	type,
		int *	intp,
		int	intsize
	)

Definition at line 114 of file asn1.c.

References asn_parse_length(), int, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_msg_Decode(), snmp_pdu_decode(), and snmp_var_DecodeVarBind().

asn_parse_length()

u_char * asn_parse_length	(	u_char *	data,
		u_int *	length
	)

Definition at line 539 of file asn1.c.

References ASN_LONG_LEN, int, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by asn_parse_header(), asn_parse_int(), asn_parse_objid(), asn_parse_string(), and asn_parse_unsigned_int().

asn_parse_null()

u_char * asn_parse_null	(	u_char *	,
		int *	,
		u_char *
	)

asn_parse_objid()

u_char * asn_parse_objid	(	u_char *	data,
		int *	datalength,
		u_char *	type,
		oid *	objid,
		int *	objidlength
	)

Definition at line 638 of file asn1.c.

References ASN_BIT8, asn_parse_length(), int, MAX_SUBID, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_pdu_decode(), and snmp_var_DecodeVarBind().

asn_parse_string()

u_char * asn_parse_string	(	u_char *	data,
		int *	datalength,
		u_char *	type,
		u_char *	string,
		int *	strlength
	)

Definition at line 387 of file asn1.c.

References asn_parse_length(), int, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_msg_Decode(), snmp_pdu_decode(), and snmp_var_DecodeVarBind().

asn_parse_unsigned_int()

u_char * asn_parse_unsigned_int	(	u_char *	data,
		int *	datalength,
		u_char *	type,
		u_int *	intp,
		int	intsize
	)

Definition at line 179 of file asn1.c.

References asn_parse_length(), int, NULL, snmp_set_api_error(), and SNMPERR_ASN_DECODE.

Referenced by snmp_pdu_decode(), and snmp_var_DecodeVarBind().