ospasn1parse.c

mgcp协议源代码。支持多种编码：g711

static unsigned char ospgDataRefId_AlgId_OID[] = {
                            OSPC_ASN1_DATAREFID_ALGORITHMID,
                            OSPC_ASN1_DATAREFID_ALGID_OID, 0xff };
static unsigned char ospgDataRefId_AlgId_AttrTypeAndVal[] = {
                            OSPC_ASN1_DATAREFID_ALGORITHMID,
                            OSPC_ASN1_DATAREFID_ALGID_ATTRTYPEANDVAL, 0xff };
static unsigned char ospgDataRefId_AlgId_Terminator[] = {
                            OSPC_ASN1_DATAREFID_ALGORITHMID,
                            OSPC_ASN1_DATAREFID_ALGID_TERMINATOR, 0xff };


static unsigned char ospgDataRefId_PrivateKeyInfo[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO, 0xff };
static unsigned char ospgDataRefId_PvtKeyInf_Version[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_VERSION, 0xff };
static unsigned char ospgDataRefId_PvtKeyInf_Algorithm[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_ALGORITHM, 0xff };
static unsigned char ospgDataRefId_PvtKeyInf_PrivateKey[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_PRIVATEKEY, 0xff };
static unsigned char ospgDataRefId_PvtKeyInf_Attributes[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_ATTRIBUTES, 0xff };
static unsigned char ospgDataRefId_PvtKeyInf_Attribute[] = {
                            OSPC_ASN1_DATAREFID_PRIVATEKEYINFO,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_ATTRIBUTES,
                            OSPC_ASN1_DATAREFID_PVTKEYINF_ATTRIBUTE, 0xff };


static unsigned char ospgDataRefId_Signature[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO, 0xff };
static unsigned char ospgDataRefId_Sig_ContentType[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENTTYPE, 0xff };
static unsigned char ospgDataRefId_Sig_SignedData[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_Version[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_VERSION, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_DigestAlgorithm[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_DIGESTALGORITHMS,
                            OSPC_ASN1_DATAREFID_SGNDAT_DIGESTALGORITHM, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_Data[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_Certificate[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATES, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATE, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_Certificate_SubjPubKeyInfo[] = { 
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATES, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTIFICATE, 
                            OSPC_ASN1_DATAREFID_CERT_TBSCERTIFICATE,
                            OSPC_ASN1_DATAREFID_CERT_SUBJPUBKEYINFO, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_CertRevList[] = { 
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTREVLISTS, 
                            OSPC_ASN1_DATAREFID_SGNDAT_CERTREVLIST, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_SignerInfo[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFOS,
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFO, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_SgnInf_DigestAlgorithm[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFOS,
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFO,
                            OSPC_ASN1_DATAREFID_SGNINF_DIGESTALGORITHM, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_SgnInf_DigEncryptAlg[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFOS,
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFO,
                            OSPC_ASN1_DATAREFID_SGNINF_DIGENCRYPTALG, 0xff };
static unsigned char ospgDataRefId_Sig_SgnDat_SgnInf_EncryptedDigest[] = {
                            OSPC_ASN1_DATAREFID_CONTENTINFO,
                            OSPC_ASN1_DATAREFID_CNTINF_EXPLICIT_CONTENT,
                            OSPC_ASN1_DATAREFID_CNTINF_CONTENT, 
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFOS,
                            OSPC_ASN1_DATAREFID_SGNDAT_SIGNERINFO,
                            OSPC_ASN1_DATAREFID_SGNINF_ENCRYPTEDDIGEST, 0xff };

/* 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.
 */
static unsigned char ospgDataRefId_CertReq[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            0xff };

/* Define the location of the certificate request info of a PKCS#10
 * certificate request; this structure will contain the version, subject,
 * public key, and optional attributes that are then signed afterwards
 * by the requester:
 */
static unsigned char ospgDataRefId_CertReqInfo[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQINFO,
                            0xff };

/* Define the location of the version for a
 * PKCS#10 certificate request info: 
 */ 
static unsigned char ospgDataRefId_CertReqInfo_Version[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQINFO,
                            OSPC_ASN1_DATAREFID_CERTREQINFO_VERSION,
                            0xff };

/* Define the location of the subject for a 
 * PKCS#10 certificate request info: 
 */ 
static unsigned char ospgDataRefId_CertReqInfo_Subject[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQINFO,
                            OSPC_ASN1_DATAREFID_CERTREQINFO_SUBJECT,
                            0xff };

/* Define the location of the subjectPublicKeyInfo for a
 * PKCS#10 certificate request info: 
 */ 
static unsigned char ospgDataRefId_CertReqInfo_SubjPubKeyInfo[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQINFO,
                            OSPC_ASN1_DATAREFID_CERTREQINFO_SUBJPUBKEYINFO,
                            0xff };

/* Define the location of the optional attributes for a 
 * PKCS#10 certificate request info: 
 */ 
static unsigned char ospgDataRefId_CertReqInfo_Attributes[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQINFO,
                            OSPC_ASN1_DATAREFID_CERTREQINFO_ATTRIBUTES,
                            0xff };

/* Define the location of the signature algorithm id for 
 * a PKCS#10 certificate request: 
 */
static unsigned char ospgDataRefId_CertReq_Signature_Algorithm[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQ_SIGNATURE_ALGORITHM,
                            0xff };

/* Define the location of the signature for PKCS#10 a certificate request: */
static unsigned char ospgDataRefId_CertReq_Signature[] = {
                            OSPC_ASN1_DATAREFID_CERTREQ, 
                            OSPC_ASN1_DATAREFID_CERTREQ_SIGNATURE,
                            0xff };

static unsigned char *ospgDataRefIdIndex[] =
{
    /* TO NOT CHANGE THIS TABLE WITHOUT UPDATING THE ENUM VALUES IN OSPEASN1DATAREFID */
    ospgDataRefId_Certificate,
    ospgDataRefId_Cert_TBSCertificate,
    ospgDataRefId_Cert_SignatureAlgorithm,
    ospgDataRefId_Cert_Signature,
    ospgDataRefId_Cert_Explicit_Version,
    ospgDataRefId_Cert_Version,
    ospgDataRefId_Cert_SerialNumber,
    ospgDataRefId_Cert_Signature_TBS,
    ospgDataRefId_Cert_Issuer,
    ospgDataRefId_Cert_NotBefore,
    ospgDataRefId_Cert_NotAfter,
    ospgDataRefId_Cert_Subject,
    ospgDataRefId_Cert_SubjPubKeyInfo,
    ospgDataRefId_Cert_PublicKeyAlg,
    ospgDataRefId_Cert_PublicKey,
    ospgDataRefId_Cert_IssuerUniqueId,
    ospgDataRefId_Cert_SubjectUniqueId,
    ospgDataRefId_Cert_Explicit_Extensions,
    ospgDataRefId_Cert_Extensions,
    ospgDataRefId_Cert_Extension,

    ospgDataRefId_SignedData,
    ospgDataRefId_SgnDat_Version,   
    ospgDataRefId_SgnDat_DigestAlgorithms,
    ospgDataRefId_SgnDat_DigestAlgorithm,
    ospgDataRefId_SgnDat_Content,
    ospgDataRefId_SgnDat_Certificates,
    ospgDataRefId_SgnDat_Certificate,
    ospgDataRefId_SgnDat_Certificate_SubjPubKeyInfo,
    ospgDataRefId_SgnDat_CertRevLists,
    ospgDataRefId_SgnDat_CertRevList,
    ospgDataRefId_SgnDat_SignerInfos,
    ospgDataRefId_SgnDat_SignerInfo,

    ospgDataRefId_SignerInfo,       
    ospgDataRefId_SgnInf_Version,
    ospgDataRefId_SgnInf_Issuer ,
    ospgDataRefId_SgnInf_SerialNumber,
    ospgDataRefId_SgnInf_DigestAlgorithm ,
    ospgDataRefId_SgnInf_AuthAttributes,
    ospgDataRefId_SgnInf_DigEncryptAlg ,
    ospgDataRefId_SgnInf_EncryptedDigest ,
    ospgDataRefId_SgnInf_UnauthAttributes ,

    ospgDataRefId_ContentInfo,
    ospgDataRefId_CntInf_ContentType,
    ospgDataRefId_CntInf_Explicit_Content,
    ospgDataRefId_CntInf_Content,

    ospgDataRefId_DigestInfo,
    ospgDataRefId_DigInf_DigestAlgorithm,
    ospgDataRefId_DigInf_Digest,

    ospgDataRefId_AlgorithmId,
    ospgDataRefId_AlgId_OID,
    ospgDataRefId_AlgId_AttrTypeAndVal,
    ospgDataRefId_AlgId_Terminator,

    ospgDataRefId_PrivateKeyInfo,
    ospgDataRefId_PvtKeyInf_Version,
    ospgDataRefId_PvtKeyInf_Algorithm,
    ospgDataRefId_PvtKeyInf_PrivateKey,
    ospgDataRefId_PvtKeyInf_Attributes,
    ospgDataRefId_PvtKeyInf_Attribute,

    ospgDataRefId_Signature,
    ospgDataRefId_Sig_ContentType,
    ospgDataRefId_Sig_SignedData,
    ospgDataRefId_Sig_SgnDat_Version,
    ospgDataRefId_Sig_SgnDat_DigestAlgorithm,
    ospgDataRefId_Sig_SgnDat_Data,
    ospgDataRefId_Sig_SgnDat_Certificate,
    ospgDataRefId_Sig_SgnDat_Certificate_SubjPubKeyInfo,
    ospgDataRefId_Sig_SgnDat_CertRevList,
    ospgDataRefId_Sig_SgnDat_SignerInfo,
    ospgDataRefId_Sig_SgnDat_SgnInf_DigestAlgorithm,
    ospgDataRefId_Sig_SgnDat_SgnInf_DigEncryptAlg,
    ospgDataRefId_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.
     */
    ospgDataRefId_CertReq,
    ospgDataRefId_CertReqInfo,
    ospgDataRefId_CertReqInfo_Version,
    ospgDataRefId_CertReqInfo_Subject,
    ospgDataRefId_CertReqInfo_SubjPubKeyInfo,
    ospgDataRefId_CertReqInfo_Attributes,
    ospgDataRefId_CertReq_Signature_Algorithm,
    ospgDataRefId_CertReq_Signature,

    ospgDataRefId_NotDefined,
    OSPC_OSNULL
};

/* IMPLEMENTATION */

int
PTPAddParseResults(
    OSPTASN1PARSERULE *ospvParseRule, 
    OSPTASN1ELEMENTINFO *ospvElementInfo,
    OSPTASN1PARSERESULT **ospvParseResult,
    unsigned char ospvDataRef)
{
    int errorcode = OSPC_ERR_NO_ERROR;
    OSPTASN1PARSERESULT *parseResult = OSPC_OSNULL;
    OSPTASN1ELEMENTINFO *eInfo = OSPC_OSNULL;


    eInfo = ospvElementInfo;

    OSPM_ARGUSED(ospvParseRule);

    /* Malloc space for a result */
    OSPM_MALLOC(parseResult, OSPTASN1PARSERESULT, sizeof(OSPTASN1PARSERESULT));
    if (parseResult == OSPC_OSNULL)
    {
        errorcode = OSPC_ERR_ASN1_UNABLE_TO_ALLOCATE_SPACE;
        OSPM_DBGERRORLOG(   errorcode, 
            "Unable to allocate space for parse result");
    }   

    if (errorcode == OSPC_ERR_NO_ERROR)
    {
        OSPM_MEMSET(parseResult, 0, sizeof(OSPTASN1PARSERESULT));