ospasn1.h

mgcp协议源代码。支持多种编码：g711

/*
*########################################################################
*########################################################################
*########################################################################
*                                                               
*   COPYRIGHT (c) 1998, 1999 by TransNexus, LLC                          
*                                                                    
*   This software contains proprietary and confidential information  
*   of TransNexus, LLC. Except as may be set forth in the license    
*   agreement under which this software is supplied, use, disclosure, 
*   or reproduction is prohibited without the prior, express, written
*   consent of TransNexus, LLC.                                      
*                                     
*
*
*
*
*
*
*#########################################################################
*#########################################################################
*#########################################################################
*/


/*
 * ospasn1.h - Constants and typedefs for ASN.1 
 */
#ifndef _OSP_ASN1_H
#define _OSP_ASN1_H

#include "osp.h"
#include "ospasn1ids.h"

#define OSPC_ASN1_SIGNERINFO_VERSION 1

/* ASN1 ENCODED DATA KNOWN TO THE PARSER THAT GETS ACCESSED */
#define OSPC_ASN1_DATAREFID_CERTIFICATE             0x01
#define OSPC_ASN1_DATAREFID_CERT_TBSCERTIFICATE         0x01
#define     OSPC_ASN1_DATAREFID_CERT_EXPLICIT_VERSION       0x01
#define         OSPC_ASN1_DATAREFID_CERT_VERSION                0x01
#define     OSPC_ASN1_DATAREFID_CERT_SERIALNUMBER           0x02
#define     OSPC_ASN1_DATAREFID_CERT_SIGNATURE_TBS          0x03
#define     OSPC_ASN1_DATAREFID_CERT_ISSUER                 0x04
#define     OSPC_ASN1_DATAREFID_CERT_VALIDITY               0x05
#define     OSPC_ASN1_DATAREFID_CERT_NOTBEFORE                  0x01
#define     OSPC_ASN1_DATAREFID_CERT_NOTAFTER                   0x02
#define     OSPC_ASN1_DATAREFID_CERT_SUBJECT                0x06
#define     OSPC_ASN1_DATAREFID_CERT_SUBJPUBKEYINFO         0x07
#define         OSPC_ASN1_DATAREFID_CERT_PUBLICKEYALG           0x01
#define         OSPC_ASN1_DATAREFID_CERT_PUBLICKEY              0x02
#define         OSPC_ASN1_DATAREFID_CERT_ISSUERUNIQUEID     0x08
#define         OSPC_ASN1_DATAREFID_CERT_SUBJECTUNIQUEID    0x09
#define     OSPC_ASN1_DATAREFID_CERT_EXPLICIT_EXTENSIONS    0x0a
#define     OSPC_ASN1_DATAREFID_CERT_EXTENSIONS                 0x01
#define     OSPC_ASN1_DATAREFID_CERT_EXTENSION                      0x01
#define OSPC_ASN1_DATAREFID_CERT_SIGNATUREALGORITHM     0x02
#define OSPC_ASN1_DATAREFID_CERT_SIGNATURE              0x03

/* ASN1 ENCODED CONTENT INFO ELEMENT */
#define OSPC_ASN1_DATAREFID_CONTENTINFO             0x02
#define OSPC_ASN1_DATAREFID_CNTINF_CONTENTTYPE          0x01
#define OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT     0x02
#define OSPC_ASN1_DATAREFID_CNTINF_CONTENT                  0x01


/* ASN1 ENCODED SIGNED DATA ELEMENTS */
#define OSPC_ASN1_DATAREFID_SIGNEDDATA              0x03
#define OSPC_ASN1_DATAREFID_SGNDAT_VERSION              0x01
#define OSPC_ASN1_DATAREFID_SGNDAT_DIGESTALGORITHMS     0x02
#define     OSPC_ASN1_DATAREFID_SGNDAT_DIGESTALGORITHM      0x01
#define OSPC_ASN1_DATAREFID_SGNDAT_CONTENTINFO          0x03
#define OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATES         0x04
#define         OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATE      0x01
#define     OSPC_ASN1_DATAREFID_SGNDAT_CERTREVLISTS     0x05
#define         OSPC_ASN1_DATAREFID_SGNDAT_CERTREVLIST      0x01
#define OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFOS          0x06
#define     OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFO           0x01

/* ASN1 ENCODED SIGNER INFO ELEMENTS */ 
#define OSPC_ASN1_DATAREFID_SIGNERINFO              0x04
#define     OSPC_ASN1_DATAREFID_SGNINF_VERSION          0x01
#define     OSPC_ASN1_DATAREFID_SGNINF_ISSUERANDSERNUM  0x02    
#define         OSPC_ASN1_DATAREFID_SGNINF_ISSUER           0x01
#define         OSPC_ASN1_DATAREFID_SGNINF_SERIALNUMBER     0x02
#define     OSPC_ASN1_DATAREFID_SGNINF_DIGESTALGORITHM  0x03
#define     OSPC_ASN1_DATAREFID_SGNINF_AUTHATTRIBUTES   0x04
#define         OSPC_ASN1_DATAREFID_SGNINF_AUTHATTRIBUTE    0x01
#define     OSPC_ASN1_DATAREFID_SGNINF_DIGENCRYPTALG    0x05
#define     OSPC_ASN1_DATAREFID_SGNINF_ENCRYPTEDDIGEST  0x06
#define     OSPC_ASN1_DATAREFID_SGNINF_UNAUTHATTRIBUTES 0x07
#define         OSPC_ASN1_DATAREFID_SGNINF_UNAUTHATTRIBUTE  0x01

/* ASN1 ENCODED SIGNER INFO ELEMENTS */ 
#define OSPC_ASN1_DATAREFID_DIGESTINFO              0x05
#define     OSPC_ASN1_DATAREFID_DIGINF_DIGESTALGORITHM  0x01
#define     OSPC_ASN1_DATAREFID_DIGINF_DIGEST           0x02    

/* ASN1 ENCODED ALGORITHM ID ELEMENTS */
#define OSPC_ASN1_DATAREFID_ALGORITHMID             0x06
#define     OSPC_ASN1_DATAREFID_ALGID_OID               0x01
#define     OSPC_ASN1_DATAREFID_ALGID_ATTRTYPEANDVAL    0x02
#define     OSPC_ASN1_DATAREFID_ALGID_TERMINATOR        0x03

/* ASN1 ENCODED PRIVATE KEY INFO ELEMENTS */
#define OSPC_ASN1_DATAREFID_PRIVATEKEYINFO              0x07
#define     OSPC_ASN1_DATAREFID_PVTKEYINF_VERSION           0x01
#define     OSPC_ASN1_DATAREFID_PVTKEYINF_ALGORITHM         0x02
#define     OSPC_ASN1_DATAREFID_PVTKEYINF_PRIVATEKEY        0x03
#define     OSPC_ASN1_DATAREFID_PVTKEYINF_ATTRIBUTES        0x04
#define         OSPC_ASN1_DATAREFID_PVTKEYINF_ATTRIBUTE         0x01

/* These are defined for parsing a PKCS#10 certificate request. 
 * A certificate request contains a CertificateRequestInfo structure
 * ( with the version, subject, public key, and optional attributes ) and
 * a signature.
 */
#define OSPC_ASN1_DATAREFID_CERTREQ                                0x01
#define     OSPC_ASN1_DATAREFID_CERTREQINFO                        0x01
#define         OSPC_ASN1_DATAREFID_CERTREQINFO_VERSION            0x01
#define         OSPC_ASN1_DATAREFID_CERTREQINFO_SUBJECT            0x02
#define         OSPC_ASN1_DATAREFID_CERTREQINFO_SUBJPUBKEYINFO     0x03
#define         OSPC_ASN1_DATAREFID_CERTREQINFO_ATTRIBUTES         0x04
#define     OSPC_ASN1_DATAREFID_CERTREQ_SIGNATURE_ALGORITHM        0x02
#define     OSPC_ASN1_DATAREFID_CERTREQ_SIGNATURE                  0x03

/* The definition for a subjectPublicKeyInfo is separate from
 * that of those for the PKCS#10 certificate request and X.509 certificates.
 */
#define OSPC_ASN1_DATAREFID_SUBJPUBKEYINFO 0x01

/* NOTE:    THE OSPEASN1PARSETABLEID enum list must stay in sync with 
    ospgParseTableIndex[].  The enum values are the index into the 
    ParseTableIndex for the parse table array.
*/  

typedef enum _OSPEASN1PARSETABLEID
{
    /* DO NOT CHANGE THIS TABLE WITHOUT UPDATING THE POSITIONS OF
        THE PARSE TABLES IN ospgParseTableIndex */
    OSPEPTID_NOTDEFINED=0,
    OSPEPTID_CERTIFICATE,
    OSPEPTID_TBSCERTIFICATE,
    OSPEPTID_SIGNATUREALGORITHM,
    OSPEPTID_DERALGORITHMID,
    OSPEPTID_EXPLICIT_VERSION,
    OSPEPTID_VERSION,
    OSPEPTID_CERTSERIALNUM,
    OSPEPTID_NAME,
    OSPEPTID_RDNSEQUENCE,
    OSPEPTID_RELDISNAME,
    OSPEPTID_ATTRTYPEANDVAL,
    OSPEPTID_ATTRIBUTETYPE,
    OSPEPTID_ATTRIBUTEVALUE,
    OSPEPTID_VALIDITY,
    OSPEPTID_TIME,
    OSPEPTID_UTCTIME,
    OSPEPTID_SUBJPUBKEYINFO,
    OSPEPTID_ISSUERUNIQUEID,
    OSPEPTID_SUBJECTUNIQUEID,
    OSPEPTID_UNIQUEID,
    OSPEPTID_EXPLICIT_EXTENSIONS,
    OSPEPTID_EXTENSIONS,
    OSPEPTID_EXTENSION,
    OSPEPTID_CONTENTINFO_DATA,
    OSPEPTID_EXPLICIT_DATA,
    OSPEPTID_DATA,
    OSPEPTID_CONTENTINFO_SIGNEDDATA,
    OSPEPTID_EXPLICIT_SIGNEDDATA,
    OSPEPTID_SIGNEDDATA,
    OSPEPTID_DIGESTALGORITHMS,
    OSPEPTID_CERTIFICATES,
    OSPEPTID_CERTREVLISTS,
    OSPEPTID_CERTREVLIST,
    OSPEPTID_SIGNERINFOS,
    OSPEPTID_SIGNERINFO,
    OSPEPTID_ENCRYPTEDDIGEST,
    OSPEPTID_AUTHATTRIBUTES,
    OSPEPTID_UNAUTHATTRIBUTES,
    OSPEPTID_ISSUERANDSERNUM,
    OSPEPTID_DIGESTINFO,
    OSPEPTID_ALGORITHMID,
    OSPEPTID_PRIVATEKEYINFO,
    OSPEPTID_PRIVATEKEYINFO_ATTRIBUTES,

    /* These were added for parsing the certificate requests used for 
     * enrolling devices; they represent the same entities described 
     * in PKCS#10:
     */
    OSPEPTID_CERTREQ,
    OSPEPTID_CERTREQINFO,

    OSPEPTID_LAST_PTID
} OSPEASN1PARSETABLEID;

typedef enum _OSPEASN1DATAREFID
{
    /* CERTIFICATE ELEMENTS THAT GET ASKED FOR */
    OSPEDRID_CERTIFICATE,
    OSPEDRID_CERT_TBSCERTIFICATE,
    OSPEDRID_CERT_SIGNATUREALGORITHM,
    OSPEDRID_CERT_SIGNATURE,
    OSPEDRID_CERT_EXPLICIT_VERSION,
    OSPEDRID_CERT_VERSION,
    OSPEDRID_CERT_SERIALNUMBER,
    OSPEDRID_CERT_SIGNATURE_TBS,
    OSPEDRID_CERT_ISSUER,
    OSPEDRID_CERT_NOTBEFORE,
    OSPEDRID_CERT_NOTAFTER,
    OSPEDRID_CERT_SUBJECT,
    OSPEDRID_CERT_SUBJPUBKEYINFO,
    OSPEDRID_CERT_PUBLICKEYALG,
    OSPEDRID_CERT_PUBLICKEY,
    OSPEDRID_CERT_ISSUERUNIQUEID,
    OSPEDRID_CERT_SUBJECTUNIQUEID,
    OSPEDRID_CERT_EXPLICIT_EXTENSIONS,
    OSPEDRID_CERT_EXTENSIONS,
    OSPEDRID_CERT_EXTENSION,

    /* SIGNED DATA ELEMENTS THAT GET ASKED FOR */
    OSPEDRID_SIGNEDDATA,
    OSPEDRID_SGNDAT_VERSION,    
    OSPEDRID_SGNDAT_DIGESTALGORITHMS,
    OSPEDRID_SGNDAT_DIGESTALGORITHM,
    OSPEDRID_SGNDAT_CONTENTINFO,
    OSPEDRID_SGNDAT_CERTIFICATES,
    OSPEDRID_SGNDAT_CERTIFICATE,
    OSPEDRID_SGNDAT_CERTIFICATE_SUBJPUBKEYINFO,
    OSPEDRID_SGNDAT_CERTREVLISTS,
    OSPEDRID_SGNDAT_CERTREVLIST,
    OSPEDRID_SGNDAT_SIGNERINFOS,
    OSPEDRID_SGNDAT_SIGNERINFO,


    /* SIGNED INFO DATA ELEMENTS */
    OSPEDRID_SIGNERINFO,        
    OSPEDRID_SGNINF_VERSION,
    OSPEDRID_SGNINF_ISSUER ,
    OSPEDRID_SGNINF_SERIALNUMBER,
    OSPEDRID_SGNINF_DIGESTALGORITHM ,
    OSPEDRID_SGNINF_AUTHATTRIBUTES,
    OSPEDRID_SGNINF_DIGENCRYPTALG ,
    OSPEDRID_SGNINF_ENCRYPTEDDIGEST ,
    OSPEDRID_SGNINF_UNAUTHATTRIBUTES ,

    /* CONTENT INFO DATA ELEMENTS */
    OSPEDRID_CONTENTINFO,
    OSPEDRID_CNTINF_CONTENTTYPE,
    OSPEDRID_CNTINF_EXPLICIT_CONTENT,
    OSPEDRID_CNTINF_CONTENT,

    /* DIGEST INFO DATA ELEMENTS */
    OSPEDRID_DIGESTINFO,
    OSPEDRID_DIGINF_DIGESTALGORITHM,
    OSPEDRID_DIGINF_DIGEST,

    /* ALGORITHM ID DATA ELEMENTS */
    OSPEDRID_ALGORITHMID,
    OSPEDRID_ALGID_OID,
    OSPEDRID_ALGID_ATTRIBUTES,
    OSPEDRID_ALGID_TERMINATOR,

    /* PRIVATEKEYINFO DATA ELEMENTS */
    OSPEDRID_PRIVATEKEYINFO,
    OSPEDRID_PVTKEYINF_VERSION,
    OSPEDRID_PVTKEYINF_ALGORITHM,
    OSPEDRID_PVTKEYINF_PRIVATEKEY,
    OSPEDRID_PVTKEYINF_ATTRIBUTES,
    OSPEDRID_PVTKEYINF_ATTRIBUTE,

    OSPEDRID_SIGNATURE,
    OSPEDRID_SIG_CONTENTTYPE,
    OSPEDRID_SIG_SIGNEDDATA,
    OSPEDRID_SIG_SGNDAT_VERSION,
    OSPEDRID_SIG_SGNDAT_DIGESTALGORITHM,
    OSPEDRID_SIG_SGNDAT_DATA,
    OSPEDRID_SIG_SGNDAT_CERTIFICATE,
    OSPEDRID_SIG_SGNDAT_CERTIFICATE_SUBJPUBKEYINFO,
    OSPEDRID_SIG_SGNDAT_CERTREVLIST,
    OSPEDRID_SIG_SGNDAT_SIGNERINFO,
    OSPEDRID_SIG_SGNDAT_SGNINF_DIGESTALGORITHM,
    OSPEDRID_SIG_SGNDAT_SGNINF_DIGENCRYPTALG,
    OSPEDRID_SIG_SGNDAT_SGNINF_ENCRYPTEDDIGEST,

    /* These are defined for parsing certificate requests; all possible
     * elements of a certificate request ( with the exception of the possible
     * values of the optional attributes list, which is unknown at compile
     * time anyway ) is given here. This listing is based off of PKCS#10.
     */
    OSPEDRID_CERTREQ,
    OSPEDRID_CERTREQINFO,
    OSPEDRID_CERTREQINFO_VERSION,
    OSPEDRID_CERTREQINFO_SUBJECT,
    OSPEDRID_CERTREQINFO_SUBJPUBKEYINFO,
    OSPEDRID_CERTREQINFO_ATTRIBUTES,
    OSPEDRID_CERTREQ_SIGNATUREALGID,
    OSPEDRID_CERTREQ_SIGNATURE,

    OSPEDRID_NOTDEFINED,
    OSPEDRID_LAST_DRID
} OSPEASN1DATAREFID;


typedef struct _OSPTASN1ELEMENTINFO 
{
    unsigned char Tag;              /* ASN1 Data Type Tag Number */
    unsigned char *Element;         /* Pointer to beginning of encoded
                                        data for this element.*/
    unsigned int ElementLength;     /* Length of data pointed to by 
                                        Element above */
    unsigned int ElementSpaceAllocated; /* Space for element and possibly for
                                        children is allocated by this element 
                                        and must be deleted when this element 
                                        is deleted (after child elements are 
                                        deleted of course) */

    unsigned char *Content;         /* Pointer to encoded content data
                                        that defines this element */
    unsigned int ContentLength;     /* Length of data pointed to by 
                                        Content above */
    struct _OSPTASN1ELEMENTINFO *ContentElementInfo;
                                    /* "child" element - 
                                        points to this element's
                                        component elements -
                                        constructed elements only.*/
    struct _OSPTASN1ELEMENTINFO *NextElementInfo;       
                                    /* Pointer to next peer element */
} OSPTASN1ELEMENTINFO;

#define OSPC_ASN1_DATAREF_MAXLENGTH 30 


typedef struct _OSPTASN1PARSERESULT
{
    unsigned char DataReference[OSPC_ASN1_DATAREF_MAXLENGTH];
    struct _OSPTASN1PARSERESULT *NextResult;
    OSPTASN1ELEMENTINFO *ElementInfo;

} OSPTASN1PARSERESULT;


typedef struct _OSPASN1OBJECT
{
    OSPTASN1ELEMENTINFO *ElementInfo;       
    OSPTASN1PARSERESULT *ParseResults;
} OSPTASN1OBJECT;


typedef struct _OSPTASN1PARSERULE
{
    char *Name;
    unsigned char   Tag;    /* ASN1 Type Tag that the current element must 
                            match.  If the Tag is 0xFF, then this rule is
                            a content rule and directs the parser to a 
                            differnt parse table to continue parsing.
                            Tag.  */
    OSPEASN1PARSETABLEID ParseTableId;
                            /* Enum identifier the parse table that
                            describes this elements contents.  Only used
                            for elements whose Tag is 0xFF indicating that
                            the element is constructed.*/

    unsigned char   DataReference;
                            /* Reference for this rule data in the Result's 
                            table. */
    unsigned int    MinimumCount;
                            /* Minimum number of occurances of this item
                            that are allowed. If the data element is
                            optional, then Minimum occurances will be 0 */