(C) Subject Alternative Name for ICP Brasil Certs

Demonstrates how to access the multiple names contained in the Subject Alternative Name of a certificate. This example is for an ICP Brasil certificate.

For more information, see http://oidref.com/2.16.76.1.3

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#include <C_CkCert.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkCert cert;
    BOOL success;
    const char *subjectAltNameXml;
    HCkXml xml;
    const char *oid;
    const char *name;
    int i;
    int count_i;

    cert = CkCert_Create();

    success = CkCert_LoadFromFile(cert,"qa_data/certs/testIcpBrasil.cer");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    // If the cert's Subject Alternative Name contains multiple values, each specified by an OID,
    // then the Rfc822Name property returns XML.
    subjectAltNameXml = CkCert_rfc822Name(cert);

    printf("%s\n",subjectAltNameXml);

    // Here's a sample of the subjectAltNameXml:

    // <SubjectAltName>
    //     <name type="oid" oid="2.16.76.1.3.4">290999653223955019700000000000000000000150424SRJUXPTS</name>
    //     <name type="oid" oid="2.16.76.1.3.2">JOAO SILVA</name>
    //     <name type="oid" oid="2.16.76.1.3.3">02408939000115</name>
    //     <name type="oid" oid="2.16.76.1.3.7">000000000000</name>
    // </SubjectAltName>

    // The XML can be parsed like this:

    xml = CkXml_Create();
    CkXml_LoadXml(xml,subjectAltNameXml);

    i = 0;
    count_i = CkXml_NumChildrenHavingTag(xml,"name");
    while (i < count_i) {
        CkXml_putI(xml,i);
        oid = CkXml_chilkatPath(xml,"name[i]|(oid)");
        name = CkXml_getChildContent(xml,"name[i]");
        printf("%s: %s\n",oid,name);
        i = i + 1;
    }



    CkCert_Dispose(cert);
    CkXml_Dispose(xml);

    }