/* Provenance: openssl/openssl GENERAL_NAME_cmp (fixed).
 * repo: openssl/openssl
 * commit: f960d81215ebf3f65e03d4d5d857fb9b666d6920
 * parent: aa0ad2011d3e7ad8a611da274ef7d9c7706e289b
 * commit_url: https://github.com/openssl/openssl/commit/f960d81215ebf3f65e03d4d5d857fb9b666d6920
 * cve: CVE-2020-1971
 * license: OpenSSL License
 * function: GENERAL_NAME_cmp
 * relpath: crypto/x509v3/v3_genn.c
 */

int GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)
{
    int result = -1;

    if (!a || !b || a->type != b->type)
        return -1;
    switch (a->type) {
    case GEN_X400:
        result = ASN1_TYPE_cmp(a->d.x400Address, b->d.x400Address);
        break;

    case GEN_EDIPARTY:
        result = edipartyname_cmp(a->d.ediPartyName, b->d.ediPartyName);
        break;

    case GEN_OTHERNAME:
        result = OTHERNAME_cmp(a->d.otherName, b->d.otherName);
        break;

    case GEN_EMAIL:
    case GEN_DNS:
    case GEN_URI:
        result = ASN1_STRING_cmp(a->d.ia5, b->d.ia5);
        break;

    case GEN_DIRNAME:
        result = X509_NAME_cmp(a->d.dirn, b->d.dirn);
        break;

    case GEN_IPADD:
        result = ASN1_OCTET_STRING_cmp(a->d.ip, b->d.ip);
        break;

    case GEN_RID:
        result = OBJ_cmp(a->d.rid, b->d.rid);
        break;
    }
    return result;
}