Function ssl_asn1_table_set

modules/ssl/ssl_util.c:199–226

Decrypted private keys are cached to survive restarts. The cached * data must have lifetime of the process (hence malloc/free rather * than pools), and uses raw DER since the EVP_PKEY structure * internals may not survive across a module reload. */

 * than pools), and uses raw DER since the EVP_PKEY structure
 * internals may not survive across a module reload. */
ssl_asn1_t *ssl_asn1_table_set(apr_hash_t *table, const char *key,
                               EVP_PKEY *pkey)
{
    apr_ssize_t klen = strlen(key);
    ssl_asn1_t *asn1 = apr_hash_get(table, key, klen);
    apr_size_t length = i2d_PrivateKey(pkey, NULL);
    unsigned char *p;

    /* Re-use structure if cached previously. */
    if (asn1) {
        if (asn1->nData != length) {
            asn1->cpData = ap_realloc(asn1->cpData, length);
        }
    }
    else {
        asn1 = ap_malloc(sizeof(*asn1));
        asn1->source_mtime = 0; /* used as a note for encrypted private keys */
        asn1->cpData = ap_malloc(length);

        apr_hash_set(table, key, klen, asn1);
    }

    asn1->nData = length;
    p = asn1->cpData;
    i2d_PrivateKey(pkey, &p); /* increases p by length */

    return asn1;
}

ssl_asn1_t *ssl_asn1_table_get(apr_hash_t *table,
                               const char *key)