Unicode C

Subject Alternative Name

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Demonstrates the usage of the SubjectAlternativeName property to get the certificate SAN (subject alternative name) as XML. Unicode C

#include <C_CkCertW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCertW cert;
    const wchar_t *subjectAltNameXml;
    HCkXmlW xml;
    const wchar_t *oid;
    const wchar_t *name;
    int i;
    int count_i;
    const wchar_t *rfc822Name;

    success = FALSE;

    // Note: Not all certificates contain a Subject Alternative Name.
    // If it does not, the SubjectAlternativeName property will contain the empty string.

    cert = CkCertW_Create();

    success = CkCertW_LoadFromFile(cert,L"qa_data/certs/testIcpBrasil.cer");
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        return;
    }

    subjectAltNameXml = CkCertW_subjectAlternativeName(cert);

    wprintf(L"%s\n",subjectAltNameXml);

    // Here's a sample of the subjectAltNameXml:

    // <?xml version="1.0" encoding="utf-8"?>
    // <SubjectAltName>
    //     <name type="oid" oid="2.16.76.1.3.4">...</name>
    //     <name type="oid" oid="2.16.76.1.3.2">...</name>
    //     <name type="oid" oid="2.16.76.1.3.3">...</name>
    //     <name type="oid" oid="2.16.76.1.3.7">...</name>
    //     <rfc822Name>...</rfc822Name>
    // </SubjectAltName>

    // The XML can be parsed like this:

    xml = CkXmlW_Create();

    CkXmlW_LoadXml(xml,subjectAltNameXml);

    i = 0;
    count_i = CkXmlW_NumChildrenHavingTag(xml,L"name");
    while (i < count_i) {
        CkXmlW_putI(xml,i);
        oid = CkXmlW_chilkatPath(xml,L"name[i]|(oid)");
        name = CkXmlW_getChildContent(xml,L"name[i]");
        i = i + 1;
    }

    rfc822Name = CkXmlW_getChildContent(xml,L"rfc822Name");


    CkCertW_Dispose(cert);
    CkXmlW_Dispose(xml);

    }