X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Flib%2Fapps.c;h=df4450d7e40909584798ae9eb42bf41ea0676910;hp=73483d99f4313b52d10b6a0516c3ddbdbccc02b8;hb=0808a75e4db421f0f33d866b0abfe10db4f472f2;hpb=e78253f2d0c1a9fe6b023d867ee02342b4560150

diff --git a/apps/lib/apps.c b/apps/lib/apps.c
index 73483d99f4..df4450d7e4 100644
--- a/apps/lib/apps.c
+++ b/apps/lib/apps.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -29,6 +29,7 @@
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 #include <openssl/pem.h>
+#include <openssl/store.h>
 #include <openssl/pkcs12.h>
 #include <openssl/ui.h>
 #include <openssl/safestack.h>
@@ -57,6 +58,17 @@ static int WIN32_rename(const char *from, const char *to);
 
 #define PASS_SOURCE_SIZE_MAX 4
 
+DEFINE_STACK_OF(CONF)
+DEFINE_STACK_OF(CONF_VALUE)
+DEFINE_STACK_OF(X509)
+DEFINE_STACK_OF(X509_CRL)
+DEFINE_STACK_OF(X509_INFO)
+DEFINE_STACK_OF(X509_EXTENSION)
+DEFINE_STACK_OF(X509_POLICY_NODE)
+DEFINE_STACK_OF(GENERAL_NAME)
+DEFINE_STACK_OF(DIST_POINT)
+DEFINE_STACK_OF_STRING()
+
 typedef struct {
     const char *name;
     unsigned long flag;
@@ -125,18 +137,29 @@ int app_init(long mesgwin)
 }
 #endif
 
-int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
-                             const char *CApath, int noCAfile, int noCApath)
+int ctx_set_verify_locations(SSL_CTX *ctx,
+                             const char *CAfile, int noCAfile,
+                             const char *CApath, int noCApath,
+                             const char *CAstore, int noCAstore)
 {
-    if (CAfile == NULL && CApath == NULL) {
+    if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
         if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
             return 0;
         if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
             return 0;
+        if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
+            return 0;
 
         return 1;
     }
-    return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
+
+    if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
+        return 0;
+    if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
+        return 0;
+    if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
+        return 0;
+    return 1;
 }
 
 #ifndef OPENSSL_NO_CT
@@ -187,6 +210,24 @@ int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
 
 static char *app_get_pass(const char *arg, int keepbio);
 
+char *get_passwd(const char *pass, const char *desc)
+{
+    char *result = NULL;
+
+    if (desc == NULL)
+        desc = "<unknown>";
+    if (!app_passwd(pass, NULL, &result, NULL))
+        BIO_printf(bio_err, "Error getting password for %s\n", desc);
+    if (pass != NULL && result == NULL) {
+        BIO_printf(bio_err,
+                   "Trying plain input string (better precede with 'pass:')\n");
+        result = OPENSSL_strdup(pass);
+        if (result == NULL)
+            BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
+    }
+    return result;
+}
+
 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
 {
     int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
@@ -390,324 +431,162 @@ int add_oid_section(CONF *conf)
     return 1;
 }
 
-static int load_pkcs12(BIO *in, const char *desc,
-                       pem_password_cb *pem_cb, PW_CB_DATA *cb_data,
-                       EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
+X509 *load_cert_pass(const char *uri, int maybe_stdin,
+                     const char *pass, const char *desc)
 {
-    const char *pass;
-    char tpass[PEM_BUFSIZE];
-    int len, ret = 0;
-    PKCS12 *p12;
-    p12 = d2i_PKCS12_bio(in, NULL);
-    if (p12 == NULL) {
-        BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
-        goto die;
+    X509 *cert = NULL;
+
+    if (desc == NULL)
+        desc = "certificate";
+    if (uri == NULL) {
+        unbuffer(stdin);
+        uri = "";
     }
-    /* See if an empty password will do */
-    if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
-        pass = "";
-    } else {
-        if (pem_cb == NULL)
-            pem_cb = (pem_password_cb *)password_callback;
-        len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
-        if (len < 0) {
-            BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
-            goto die;
-        }
-        if (len < PEM_BUFSIZE)
-            tpass[len] = 0;
-        if (!PKCS12_verify_mac(p12, tpass, len)) {
-            BIO_printf(bio_err,
-                       "Mac verify error (wrong password?) in PKCS12 file for %s\n",
-                       desc);
-            goto die;
-        }
-        pass = tpass;
+    (void)load_key_cert_crl(uri, maybe_stdin, pass, desc, NULL, &cert, NULL);
+    if (cert == NULL) {
+        BIO_printf(bio_err, "Unable to load %s\n", desc);
+        ERR_print_errors(bio_err);
     }
-    ret = PKCS12_parse(p12, pass, pkey, cert, ca);
- die:
-    PKCS12_free(p12);
-    return ret;
+    return cert;
 }
 
-#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
-static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
+/* the format parameter is meanwhile not needed anymore and thus ignored */
+X509 *load_cert(const char *uri, int format, const char *desc)
 {
-    char *host = NULL, *port = NULL, *path = NULL;
-    BIO *bio = NULL;
-    OCSP_REQ_CTX *rctx = NULL;
-    int use_ssl, rv = 0;
-    if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
-        goto err;
-    if (use_ssl) {
-        BIO_puts(bio_err, "https not supported\n");
-        goto err;
-    }
-    bio = BIO_new_connect(host);
-    if (!bio || !BIO_set_conn_port(bio, port))
-        goto err;
-    rctx = OCSP_REQ_CTX_new(bio, 1024);
-    if (rctx == NULL)
-        goto err;
-    if (!OCSP_REQ_CTX_http(rctx, "GET", path))
-        goto err;
-    if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
-        goto err;
-    if (pcert) {
-        do {
-            rv = X509_http_nbio(rctx, pcert);
-        } while (rv == -1);
-    } else {
-        do {
-            rv = X509_CRL_http_nbio(rctx, pcrl);
-        } while (rv == -1);
-    }
+    return load_cert_pass(uri, 1, NULL, desc);
+}
 
- err:
-    OPENSSL_free(host);
-    OPENSSL_free(path);
-    OPENSSL_free(port);
-    BIO_free_all(bio);
-    OCSP_REQ_CTX_free(rctx);
-    if (rv != 1) {
-        BIO_printf(bio_err, "Error loading %s from %s\n",
-                   pcert ? "certificate" : "CRL", url);
+/* the format parameter is meanwhile not needed anymore and thus ignored */
+X509_CRL *load_crl(const char *uri, int format, const char *desc)
+{
+    X509_CRL *crl = NULL;
+
+    if (desc == NULL)
+        desc = "CRL";
+    (void)load_key_cert_crl(uri, 0, NULL, desc, NULL, NULL, &crl);
+    if (crl == NULL) {
+        BIO_printf(bio_err, "Unable to load %s\n", desc);
         ERR_print_errors(bio_err);
     }
-    return rv;
+    return crl;
 }
-#endif
 
-X509 *load_cert(const char *file, int format, const char *cert_descrip)
+X509_REQ *load_csr(const char *file, int format, const char *desc)
 {
-    X509 *x = NULL;
-    BIO *cert;
-
-    if (format == FORMAT_HTTP) {
-#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
-        load_cert_crl_http(file, &x, NULL);
-#endif
-        return x;
-    }
+    X509_REQ *req = NULL;
+    BIO *in;
 
-    if (file == NULL) {
-        unbuffer(stdin);
-        cert = dup_bio_in(format);
-    } else {
-        cert = bio_open_default(file, 'r', format);
-    }
-    if (cert == NULL)
+    if (desc == NULL)
+        desc = "CSR";
+    in = bio_open_default(file, 'r', format);
+    if (in == NULL)
         goto end;
 
-    if (format == FORMAT_ASN1) {
-        x = d2i_X509_bio(cert, NULL);
-    } else if (format == FORMAT_PEM) {
-        x = PEM_read_bio_X509_AUX(cert, NULL,
-                                  (pem_password_cb *)password_callback, NULL);
-    } else if (format == FORMAT_PKCS12) {
-        if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
-            goto end;
-    } else {
-        BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
-        goto end;
-    }
+    if (format == FORMAT_ASN1)
+        req = d2i_X509_REQ_bio(in, NULL);
+    else if (format == FORMAT_PEM)
+        req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
+    else
+        print_format_error(format, OPT_FMT_PEMDER);
+
  end:
-    if (x == NULL) {
-        BIO_printf(bio_err, "unable to load certificate\n");
+    if (req == NULL) {
+        BIO_printf(bio_err, "Unable to load %s\n", desc);
         ERR_print_errors(bio_err);
     }
-    BIO_free(cert);
-    return x;
+    BIO_free(in);
+    return req;
 }
 
-X509_CRL *load_crl(const char *infile, int format)
+void cleanse(char *str)
 {
-    X509_CRL *x = NULL;
-    BIO *in = NULL;
-
-    if (format == FORMAT_HTTP) {
-#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
-        load_cert_crl_http(infile, NULL, &x);
-#endif
-        return x;
-    }
-
-    in = bio_open_default(infile, 'r', format);
-    if (in == NULL)
-        goto end;
-    if (format == FORMAT_ASN1) {
-        x = d2i_X509_CRL_bio(in, NULL);
-    } else if (format == FORMAT_PEM) {
-        x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
-    } else {
-        BIO_printf(bio_err, "bad input format specified for input crl\n");
-        goto end;
-    }
-    if (x == NULL) {
-        BIO_printf(bio_err, "unable to load CRL\n");
-        ERR_print_errors(bio_err);
-        goto end;
-    }
+    if (str != NULL)
+        OPENSSL_cleanse(str, strlen(str));
+}
 
- end:
-    BIO_free(in);
-    return x;
+void clear_free(char *str)
+{
+    if (str != NULL)
+        OPENSSL_clear_free(str, strlen(str));
 }
 
-EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
-                   const char *pass, ENGINE *e, const char *key_descrip)
+EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
+                   const char *pass, ENGINE *e, const char *desc)
 {
-    BIO *key = NULL;
     EVP_PKEY *pkey = NULL;
-    PW_CB_DATA cb_data;
 
-    cb_data.password = pass;
-    cb_data.prompt_info = file;
+    if (desc == NULL)
+        desc = "private key";
 
-    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
-        BIO_printf(bio_err, "no keyfile specified\n");
-        goto end;
-    }
     if (format == FORMAT_ENGINE) {
         if (e == NULL) {
-            BIO_printf(bio_err, "no engine specified\n");
+            BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
         } else {
 #ifndef OPENSSL_NO_ENGINE
+            PW_CB_DATA cb_data;
+
+            cb_data.password = pass;
+            cb_data.prompt_info = uri;
             if (ENGINE_init(e)) {
-                pkey = ENGINE_load_private_key(e, file,
+                pkey = ENGINE_load_private_key(e, uri,
                                                (UI_METHOD *)get_ui_method(),
                                                &cb_data);
                 ENGINE_finish(e);
             }
             if (pkey == NULL) {
-                BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
+                BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
                 ERR_print_errors(bio_err);
             }
 #else
-            BIO_printf(bio_err, "engines not supported\n");
+            BIO_printf(bio_err, "Engines not supported for loading %s\n", desc);
 #endif
         }
-        goto end;
-    }
-    if (file == NULL && maybe_stdin) {
-        unbuffer(stdin);
-        key = dup_bio_in(format);
-    } else {
-        key = bio_open_default(file, 'r', format);
-    }
-    if (key == NULL)
-        goto end;
-    if (format == FORMAT_ASN1) {
-        pkey = d2i_PrivateKey_bio(key, NULL);
-    } else if (format == FORMAT_PEM) {
-        pkey = PEM_read_bio_PrivateKey(key, NULL, wrap_password_callback, &cb_data);
-    } else if (format == FORMAT_PKCS12) {
-        if (!load_pkcs12(key, key_descrip, wrap_password_callback, &cb_data,
-                         &pkey, NULL, NULL))
-            goto end;
-#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
-    } else if (format == FORMAT_MSBLOB) {
-        pkey = b2i_PrivateKey_bio(key);
-    } else if (format == FORMAT_PVK) {
-        pkey = b2i_PVK_bio(key, wrap_password_callback, &cb_data);
-#endif
     } else {
-        BIO_printf(bio_err, "bad input format specified for key file\n");
-        goto end;
+        (void)load_key_cert_crl(uri, may_stdin, pass, desc, &pkey, NULL, NULL);
     }
- end:
-    BIO_free(key);
+
     if (pkey == NULL) {
-        BIO_printf(bio_err, "unable to load %s\n", key_descrip);
+        BIO_printf(bio_err, "Unable to load %s\n", desc);
         ERR_print_errors(bio_err);
     }
     return pkey;
 }
 
-EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
-                      const char *pass, ENGINE *e, const char *key_descrip)
+EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
+                      const char *pass, ENGINE *e, const char *desc)
 {
-    BIO *key = NULL;
     EVP_PKEY *pkey = NULL;
-    PW_CB_DATA cb_data;
 
-    cb_data.password = pass;
-    cb_data.prompt_info = file;
+    if (desc == NULL)
+        desc = "public key";
 
-    if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
-        BIO_printf(bio_err, "no keyfile specified\n");
-        goto end;
-    }
     if (format == FORMAT_ENGINE) {
         if (e == NULL) {
-            BIO_printf(bio_err, "no engine specified\n");
+            BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
         } else {
 #ifndef OPENSSL_NO_ENGINE
-            pkey = ENGINE_load_public_key(e, file, (UI_METHOD *)get_ui_method(),
+            PW_CB_DATA cb_data;
+
+            cb_data.password = pass;
+            cb_data.prompt_info = uri;
+            pkey = ENGINE_load_public_key(e, uri, (UI_METHOD *)get_ui_method(),
                                           &cb_data);
             if (pkey == NULL) {
-                BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
+                BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
                 ERR_print_errors(bio_err);
             }
 #else
-            BIO_printf(bio_err, "engines not supported\n");
+            BIO_printf(bio_err, "Engines not supported for loading %s\n", desc);
 #endif
         }
-        goto end;
-    }
-    if (file == NULL && maybe_stdin) {
-        unbuffer(stdin);
-        key = dup_bio_in(format);
     } else {
-        key = bio_open_default(file, 'r', format);
+        (void)load_key_cert_crl(uri, maybe_stdin, pass, desc, &pkey,
+                                NULL, NULL);
     }
-    if (key == NULL)
-        goto end;
-    if (format == FORMAT_ASN1) {
-        pkey = d2i_PUBKEY_bio(key, NULL);
-    } else if (format == FORMAT_ASN1RSA) {
-#ifndef OPENSSL_NO_RSA
-        RSA *rsa;
-        rsa = d2i_RSAPublicKey_bio(key, NULL);
-        if (rsa) {
-            pkey = EVP_PKEY_new();
-            if (pkey != NULL)
-                EVP_PKEY_set1_RSA(pkey, rsa);
-            RSA_free(rsa);
-        } else
-#else
-        BIO_printf(bio_err, "RSA keys not supported\n");
-#endif
-            pkey = NULL;
-    } else if (format == FORMAT_PEMRSA) {
-#ifndef OPENSSL_NO_RSA
-        RSA *rsa;
-        rsa = PEM_read_bio_RSAPublicKey(key, NULL,
-                                        (pem_password_cb *)password_callback,
-                                        &cb_data);
-        if (rsa != NULL) {
-            pkey = EVP_PKEY_new();
-            if (pkey != NULL)
-                EVP_PKEY_set1_RSA(pkey, rsa);
-            RSA_free(rsa);
-        } else
-#else
-        BIO_printf(bio_err, "RSA keys not supported\n");
-#endif
-            pkey = NULL;
-    } else if (format == FORMAT_PEM) {
-        pkey = PEM_read_bio_PUBKEY(key, NULL,
-                                   (pem_password_cb *)password_callback,
-                                   &cb_data);
-#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
-    } else if (format == FORMAT_MSBLOB) {
-        pkey = b2i_PublicKey_bio(key);
-#endif
+    if (pkey == NULL) {
+        BIO_printf(bio_err, "Unable to load %s\n", desc);
+        ERR_print_errors(bio_err);
     }
- end:
-    BIO_free(key);
-    if (pkey == NULL)
-        BIO_printf(bio_err, "unable to load %s\n", key_descrip);
     return pkey;
 }
 
@@ -727,7 +606,7 @@ static int load_certs_crls(const char *file, int format,
     cb_data.prompt_info = file;
 
     if (format != FORMAT_PEM) {
-        BIO_printf(bio_err, "bad input format specified for %s\n", desc);
+        BIO_printf(bio_err, "Bad input format specified for %s\n", desc);
         return 0;
     }
 
@@ -786,23 +665,30 @@ static int load_certs_crls(const char *file, int format,
             sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
             *pcrls = NULL;
         }
-        BIO_printf(bio_err, "unable to load %s\n",
-                   pcerts ? "certificates" : "CRLs");
-        ERR_print_errors(bio_err);
+        BIO_printf(bio_err, "Unable to load %s\n", desc != NULL ? desc :
+                   pcerts != NULL ? "certificates" : "CRLs");
     }
     return rv;
 }
 
+void app_bail_out(char *fmt, ...)
+{
+    va_list args;
+
+    va_start(args, fmt);
+    BIO_vprintf(bio_err, fmt, args);
+    va_end(args);
+    ERR_print_errors(bio_err);
+    exit(1);
+}
+
 void* app_malloc(int sz, const char *what)
 {
     void *vp = OPENSSL_malloc(sz);
 
-    if (vp == NULL) {
-        BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
-                opt_getprog(), sz, what);
-        ERR_print_errors(bio_err);
-        exit(1);
-    }
+    if (vp == NULL)
+        app_bail_out("%s: Could not allocate %d bytes for %s\n",
+                     opt_getprog(), sz, what);
     return vp;
 }
 
@@ -824,6 +710,102 @@ int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
     return load_certs_crls(file, format, pass, desc, NULL, crls);
 }
 
+/*
+ * Load those types of credentials for which the result pointer is not NULL.
+ * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
+ * For each type the first credential found in the store is loaded.
+ * May yield partial result even if rv == 0.
+ */
+int load_key_cert_crl(const char *uri, int maybe_stdin,
+                      const char *pass, const char *desc,
+                      EVP_PKEY **ppkey, X509 **pcert, X509_CRL **pcrl)
+{
+    PW_CB_DATA uidata;
+    OSSL_STORE_CTX *ctx = NULL;
+    int ret = 0;
+    /* TODO make use of the engine reference 'eng' when loading pkeys */
+
+    if (ppkey != NULL)
+        *ppkey = NULL;
+    if (pcert != NULL)
+        *pcert = NULL;
+    if (pcrl != NULL)
+        *pcrl = NULL;
+
+    if (desc == NULL)
+        desc = "key/certificate/CRL";
+    uidata.password = pass;
+    uidata.prompt_info = uri;
+
+    if (uri == NULL) {
+        BIO *bio;
+
+        if (!maybe_stdin) {
+            BIO_printf(bio_err, "No filename or uri specified for loading %s\n",
+                       desc);
+            goto end;
+        }
+        unbuffer(stdin);
+        bio = BIO_new_fp(stdin, 0);
+        if (bio != NULL)
+            ctx = OSSL_STORE_attach(bio, NULL, "file", NULL,
+                                    get_ui_method(), &uidata, NULL, NULL);
+        uri = "<stdin>";
+    } else {
+        ctx = OSSL_STORE_open(uri, get_ui_method(), &uidata, NULL, NULL);
+    }
+    if (ctx == NULL) {
+        BIO_printf(bio_err, "Could not open file or uri %s for loading %s\n",
+                   uri, desc);
+        goto end;
+    }
+
+    for (;;) {
+        OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
+        int type = info == NULL ? 0 : OSSL_STORE_INFO_get_type(info);
+        const char *infostr =
+            info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
+        int err = 0;
+
+        if (info == NULL) {
+            if (OSSL_STORE_eof(ctx))
+                ret = 1;
+            break;
+        }
+
+        switch (type) {
+        case OSSL_STORE_INFO_PKEY:
+            if (ppkey != NULL && *ppkey == NULL)
+                err = ((*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) == NULL);
+            break;
+        case OSSL_STORE_INFO_CERT:
+            if (pcert != NULL && *pcert == NULL)
+                err = ((*pcert = OSSL_STORE_INFO_get1_CERT(info)) == NULL);
+            break;
+        case OSSL_STORE_INFO_CRL:
+            if (pcrl != NULL && *pcrl == NULL)
+                err = ((*pcrl = OSSL_STORE_INFO_get1_CRL(info)) == NULL);
+            break;
+        default:
+            /* skip any other type */
+            break;
+        }
+        OSSL_STORE_INFO_free(info);
+        if (err) {
+            BIO_printf(bio_err, "Could not read %s of %s from %s\n",
+                       infostr, desc, uri);
+            break;
+        }
+    }
+
+ end:
+    OSSL_STORE_close(ctx);
+    if (!ret)
+        ERR_print_errors(bio_err);
+    return ret;
+}
+
+
 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
 /* Return error for unknown extensions */
 #define X509V3_EXT_DEFAULT              0
@@ -1005,7 +987,7 @@ static int set_table_opts(unsigned long *flags, const char *arg,
     return 0;
 }
 
-void print_name(BIO *out, const char *title, X509_NAME *nm,
+void print_name(BIO *out, const char *title, const X509_NAME *nm,
                 unsigned long lflags)
 {
     char *buf;
@@ -1068,7 +1050,9 @@ void print_array(BIO *out, const char* title, int len, const unsigned char* d)
     BIO_printf(out, "\n};\n");
 }
 
-X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
+X509_STORE *setup_verify(const char *CAfile, int noCAfile,
+                         const char *CApath, int noCApath,
+                         const char *CAstore, int noCAstore)
 {
     X509_STORE *store = X509_STORE_new();
     X509_LOOKUP *lookup;
@@ -1080,7 +1064,7 @@ X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, i
         lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
         if (lookup == NULL)
             goto end;
-        if (CAfile) {
+        if (CAfile != NULL) {
             if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
                 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
                 goto end;
@@ -1094,7 +1078,7 @@ X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, i
         lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
         if (lookup == NULL)
             goto end;
-        if (CApath) {
+        if (CApath != NULL) {
             if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
                 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
                 goto end;
@@ -1104,9 +1088,21 @@ X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, i
         }
     }
 
+    if (CAstore != NULL || !noCAstore) {
+        lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
+        if (lookup == NULL)
+            goto end;
+        if (!X509_LOOKUP_add_store(lookup, CAstore)) {
+            if (CAstore != NULL)
+                BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
+            goto end;
+        }
+    }
+
     ERR_clear_error();
     return store;
  end:
+    ERR_print_errors(bio_err);
     X509_STORE_free(store);
     return NULL;
 }
@@ -1127,36 +1123,35 @@ static ENGINE *try_load_engine(const char *engine)
 }
 #endif
 
-ENGINE *setup_engine(const char *engine, int debug)
+ENGINE *setup_engine_methods(const char *id, unsigned int methods, int debug)
 {
     ENGINE *e = NULL;
 
 #ifndef OPENSSL_NO_ENGINE
-    if (engine != NULL) {
-        if (strcmp(engine, "auto") == 0) {
-            BIO_printf(bio_err, "enabling auto ENGINE support\n");
+    if (id != NULL) {
+        if (strcmp(id, "auto") == 0) {
+            BIO_printf(bio_err, "Enabling auto ENGINE support\n");
             ENGINE_register_all_complete();
             return NULL;
         }
-        if ((e = ENGINE_by_id(engine)) == NULL
-            && (e = try_load_engine(engine)) == NULL) {
-            BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
+        if ((e = ENGINE_by_id(id)) == NULL
+            && (e = try_load_engine(id)) == NULL) {
+            BIO_printf(bio_err, "Invalid engine \"%s\"\n", id);
             ERR_print_errors(bio_err);
             return NULL;
         }
-        if (debug) {
-            ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
-        }
-        ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, (void *)get_ui_method(),
-                        0, 1);
-        if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
-            BIO_printf(bio_err, "can't use that engine\n");
+        if (debug)
+            (void)ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
+        if (!ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0,
+                             (void *)get_ui_method(), 0, 1)
+                || !ENGINE_set_default(e, methods)) {
+            BIO_printf(bio_err, "Cannot use engine \"%s\"\n", ENGINE_get_id(e));
             ERR_print_errors(bio_err);
             ENGINE_free(e);
             return NULL;
         }
 
-        BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
+        BIO_printf(bio_err, "Engine \"%s\" set.\n", ENGINE_get_id(e));
     }
 #endif
     return e;
@@ -1235,14 +1230,13 @@ BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
             BIO_printf(bio_err, "Out of memory\n");
     } else {
         if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
-            BIO_printf(bio_err, "unable to load number from %s\n",
+            BIO_printf(bio_err, "Unable to load number from %s\n",
                        serialfile);
             goto err;
         }
         ret = ASN1_INTEGER_to_BN(ai, NULL);
         if (ret == NULL) {
-            BIO_printf(bio_err,
-                       "error converting number from bin to BIGNUM\n");
+            BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
             goto err;
         }
     }
@@ -1252,6 +1246,7 @@ BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
         ai = NULL;
     }
  err:
+    ERR_print_errors(bio_err);
     BIO_free(in);
     ASN1_INTEGER_free(ai);
     return ret;
@@ -1271,7 +1266,7 @@ int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial
     else
         j = strlen(serialfile) + strlen(suffix) + 1;
     if (j >= BSIZE) {
-        BIO_printf(bio_err, "file name too long\n");
+        BIO_printf(bio_err, "File name too long\n");
         goto err;
     }
 
@@ -1286,7 +1281,6 @@ int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial
     }
     out = BIO_new_file(buf[0], "w");
     if (out == NULL) {
-        ERR_print_errors(bio_err);
         goto err;
     }
 
@@ -1302,6 +1296,8 @@ int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial
         ai = NULL;
     }
  err:
+    if (!ret)
+        ERR_print_errors(bio_err);
     BIO_free_all(out);
     ASN1_INTEGER_free(ai);
     return ret;
@@ -1318,7 +1314,7 @@ int rotate_serial(const char *serialfile, const char *new_suffix,
     if (i > j)
         j = i;
     if (j + 1 >= BSIZE) {
-        BIO_printf(bio_err, "file name too long\n");
+        BIO_printf(bio_err, "File name too long\n");
         goto err;
     }
 #ifndef OPENSSL_SYS_VMS
@@ -1334,19 +1330,20 @@ int rotate_serial(const char *serialfile, const char *new_suffix,
 #endif
         ) {
         BIO_printf(bio_err,
-                   "unable to rename %s to %s\n", serialfile, buf[1]);
+                   "Unable to rename %s to %s\n", serialfile, buf[1]);
         perror("reason");
         goto err;
     }
     if (rename(buf[0], serialfile) < 0) {
         BIO_printf(bio_err,
-                   "unable to rename %s to %s\n", buf[0], serialfile);
+                   "Unable to rename %s to %s\n", buf[0], serialfile);
         perror("reason");
         rename(buf[1], serialfile);
         goto err;
     }
     return 1;
  err:
+    ERR_print_errors(bio_err);
     return 0;
 }
 
@@ -1387,17 +1384,14 @@ CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
 #endif
 
     in = BIO_new_file(dbfile, "r");
-    if (in == NULL) {
-        ERR_print_errors(bio_err);
+    if (in == NULL)
         goto err;
-    }
 
 #ifndef OPENSSL_NO_POSIX_IO
     BIO_get_fp(in, &dbfp);
     if (fstat(fileno(dbfp), &dbst) == -1) {
         ERR_raise_data(ERR_LIB_SYS, errno,
                        "calling fstat(%s)", dbfile);
-        ERR_print_errors(bio_err);
         goto err;
     }
 #endif
@@ -1434,6 +1428,7 @@ CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
 #endif
 
  err:
+    ERR_print_errors(bio_err);
     NCONF_free(dbattr_conf);
     TXT_DB_free(tmpdb);
     BIO_free_all(in);
@@ -1449,20 +1444,23 @@ int index_index(CA_DB *db)
                              LHASH_HASH_FN(index_serial),
                              LHASH_COMP_FN(index_serial))) {
         BIO_printf(bio_err,
-                   "error creating serial number index:(%ld,%ld,%ld)\n",
+                   "Error creating serial number index:(%ld,%ld,%ld)\n",
                    db->db->error, db->db->arg1, db->db->arg2);
-        return 0;
+        goto err;
     }
 
     if (db->attributes.unique_subject
         && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
                                 LHASH_HASH_FN(index_name),
                                 LHASH_COMP_FN(index_name))) {
-        BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
+        BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
                    db->db->error, db->db->arg1, db->db->arg2);
-        return 0;
+        goto err;
     }
     return 1;
+ err:
+    ERR_print_errors(bio_err);
+    return 0;
 }
 
 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
@@ -1473,7 +1471,7 @@ int save_index(const char *dbfile, const char *suffix, CA_DB *db)
 
     j = strlen(dbfile) + strlen(suffix);
     if (j + 6 >= BSIZE) {
-        BIO_printf(bio_err, "file name too long\n");
+        BIO_printf(bio_err, "File name too long\n");
         goto err;
     }
 #ifndef OPENSSL_SYS_VMS
@@ -1488,7 +1486,7 @@ int save_index(const char *dbfile, const char *suffix, CA_DB *db)
     out = BIO_new_file(buf[0], "w");
     if (out == NULL) {
         perror(dbfile);
-        BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
+        BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
         goto err;
     }
     j = TXT_DB_write(out, db->db);
@@ -1499,7 +1497,7 @@ int save_index(const char *dbfile, const char *suffix, CA_DB *db)
     out = BIO_new_file(buf[1], "w");
     if (out == NULL) {
         perror(buf[2]);
-        BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
+        BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
         goto err;
     }
     BIO_printf(out, "unique_subject = %s\n",
@@ -1508,6 +1506,7 @@ int save_index(const char *dbfile, const char *suffix, CA_DB *db)
 
     return 1;
  err:
+    ERR_print_errors(bio_err);
     return 0;
 }
 
@@ -1522,7 +1521,7 @@ int rotate_index(const char *dbfile, const char *new_suffix,
     if (i > j)
         j = i;
     if (j + 6 >= BSIZE) {
-        BIO_printf(bio_err, "file name too long\n");
+        BIO_printf(bio_err, "File name too long\n");
         goto err;
     }
 #ifndef OPENSSL_SYS_VMS
@@ -1543,12 +1542,12 @@ int rotate_index(const char *dbfile, const char *new_suffix,
         && errno != ENOTDIR
 #endif
         ) {
-        BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
+        BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
         perror("reason");
         goto err;
     }
     if (rename(buf[0], dbfile) < 0) {
-        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
+        BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
         perror("reason");
         rename(buf[1], dbfile);
         goto err;
@@ -1558,14 +1557,14 @@ int rotate_index(const char *dbfile, const char *new_suffix,
         && errno != ENOTDIR
 #endif
         ) {
-        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
+        BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
         perror("reason");
         rename(dbfile, buf[0]);
         rename(buf[1], dbfile);
         goto err;
     }
     if (rename(buf[2], buf[4]) < 0) {
-        BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
+        BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
         perror("reason");
         rename(buf[3], buf[4]);
         rename(dbfile, buf[0]);
@@ -1574,6 +1573,7 @@ int rotate_index(const char *dbfile, const char *new_suffix,
     }
     return 1;
  err:
+    ERR_print_errors(bio_err);
     return 0;
 }
 
@@ -1664,7 +1664,7 @@ X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
             }
             if (*cp == '\\' && *++cp == '\0') {
                 BIO_printf(bio_err,
-                           "%s: escape character at end of string\n",
+                           "%s: Escape character at end of string\n",
                            opt_getprog());
                 goto err;
             }
@@ -1913,18 +1913,18 @@ static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
         DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
         urlptr = get_dp_url(dp);
         if (urlptr)
-            return load_crl(urlptr, FORMAT_HTTP);
+            return load_crl(urlptr, FORMAT_HTTP, "CRL via CDP");
     }
     return NULL;
 }
 
 /*
- * Example of downloading CRLs from CRLDP: not usable for real world as it
- * always downloads, doesn't support non-blocking I/O and doesn't cache
- * anything.
+ * Example of downloading CRLs from CRLDP:
+ * not usable for real world as it always downloads and doesn't cache anything.
  */
 
-static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
+static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
+                                        const X509_NAME *nm)
 {
     X509 *x;
     STACK_OF(X509_CRL) *crls = NULL;
@@ -1957,6 +1957,137 @@ void store_setup_crl_download(X509_STORE *st)
     X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
 }
 
+#ifndef OPENSSL_NO_SOCK
+static const char *tls_error_hint(void)
+{
+    unsigned long err = ERR_peek_error();
+
+    if (ERR_GET_LIB(err) != ERR_LIB_SSL)
+        err = ERR_peek_last_error();
+    if (ERR_GET_LIB(err) != ERR_LIB_SSL)
+        return NULL;
+
+    switch (ERR_GET_REASON(err)) {
+    case SSL_R_WRONG_VERSION_NUMBER:
+        return "The server does not support (a suitable version of) TLS";
+    case SSL_R_UNKNOWN_PROTOCOL:
+        return "The server does not support HTTPS";
+    case SSL_R_CERTIFICATE_VERIFY_FAILED:
+        return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
+    case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
+        return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
+    case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
+        return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
+    default: /* no error or no hint available for error */
+        return NULL;
+    }
+}
+
+/* HTTP callback function that supports TLS connection also via HTTPS proxy */
+BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
+{
+    APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
+    SSL_CTX *ssl_ctx = info->ssl_ctx;
+    SSL *ssl;
+    BIO *sbio = NULL;
+
+    if (connect && detail) { /* connecting with TLS */
+        if ((info->use_proxy
+             && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
+                                         NULL, NULL, /* no proxy credentials */
+                                         info->timeout, bio_err, opt_getprog()))
+                || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
+            return NULL;
+        }
+        if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
+            BIO_free(sbio);
+            return NULL;
+        }
+
+        SSL_set_tlsext_host_name(ssl, info->server);
+
+        SSL_set_connect_state(ssl);
+        BIO_set_ssl(sbio, ssl, BIO_CLOSE);
+
+        hbio = BIO_push(sbio, hbio);
+    } else if (!connect && !detail) { /* disconnecting after error */
+        const char *hint = tls_error_hint();
+        if (hint != NULL)
+            ERR_add_error_data(2, " : ", hint);
+        /*
+         * If we pop sbio and BIO_free() it this may lead to libssl double free.
+         * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
+         */
+    }
+    return hbio;
+}
+
+ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
+                              const char *no_proxy, SSL_CTX *ssl_ctx,
+                              const STACK_OF(CONF_VALUE) *headers,
+                              long timeout, const char *expected_content_type,
+                              const ASN1_ITEM *it)
+{
+    APP_HTTP_TLS_INFO info;
+    char *server;
+    char *port;
+    int use_ssl;
+    ASN1_VALUE *resp = NULL;
+
+    if (url == NULL || it == NULL) {
+        HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
+        return NULL;
+    }
+
+    if (!OSSL_HTTP_parse_url(url, &server, &port, NULL /* ppath */, &use_ssl))
+        return NULL;
+    if (use_ssl && ssl_ctx == NULL) {
+        HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
+        ERR_add_error_data(1, "missing SSL_CTX");
+        goto end;
+    }
+
+    info.server = server;
+    info.port = port;
+    info.use_proxy = proxy != NULL;
+    info.timeout = timeout;
+    info.ssl_ctx = ssl_ctx;
+    resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
+                              NULL, NULL, app_http_tls_cb, &info,
+                              headers, 0 /* maxline */, 0 /* max_resp_len */,
+                              timeout, expected_content_type, it);
+ end:
+    OPENSSL_free(server);
+    OPENSSL_free(port);
+    return resp;
+
+}
+
+ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
+                               const char *path, const char *proxy,
+                               const char *no_proxy, SSL_CTX *ssl_ctx,
+                               const STACK_OF(CONF_VALUE) *headers,
+                               const char *content_type,
+                               ASN1_VALUE *req, const ASN1_ITEM *req_it,
+                               long timeout, const ASN1_ITEM *rsp_it)
+{
+    APP_HTTP_TLS_INFO info;
+
+    info.server = host;
+    info.port = port;
+    info.use_proxy = proxy != NULL;
+    info.timeout = timeout;
+    info.ssl_ctx = ssl_ctx;
+    return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
+                               proxy, no_proxy,
+                               NULL, NULL, app_http_tls_cb, &info,
+                               headers, content_type, req, req_it,
+                               0 /* maxline */,
+                               0 /* max_resp_len */, timeout, NULL, rsp_it);
+}
+
+#endif
+
 /*
  * Platform-specific sections
  */
@@ -2107,40 +2238,6 @@ double app_tminterval(int stop, int usertime)
     return ret;
 }
 
-#elif defined(OPENSSL_SYSTEM_VMS)
-# include <time.h>
-# include <times.h>
-
-double app_tminterval(int stop, int usertime)
-{
-    static clock_t tmstart;
-    double ret = 0;
-    clock_t now;
-# ifdef __TMS
-    struct tms rus;
-
-    now = times(&rus);
-    if (usertime)
-        now = rus.tms_utime;
-# else
-    if (usertime)
-        now = clock();          /* sum of user and kernel times */
-    else {
-        struct timeval tv;
-        gettimeofday(&tv, NULL);
-        now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
-                        (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
-            );
-    }
-# endif
-    if (stop == TM_START)
-        tmstart = now;
-    else
-        ret = (now - tmstart) / (double)(CLK_TCK);
-
-    return ret;
-}
-
 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
 # include <sys/times.h>
 
@@ -2300,8 +2397,8 @@ BIO *dup_bio_out(int format)
 
     if (FMT_istext(format)
         && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
-        b = BIO_push(BIO_new(apps_bf_prefix()), b);
-        BIO_ctrl(b, PREFIX_CTRL_SET_PREFIX, 0, prefix);
+        b = BIO_push(BIO_new(BIO_f_prefix()), b);
+        BIO_set_prefix(b, prefix);
     }
 
     return b;
@@ -2318,17 +2415,6 @@ BIO *dup_bio_err(int format)
     return b;
 }
 
-/*
- * Because the prefix method is created dynamically, we must also be able
- * to destroy it.
- */
-void destroy_prefix_method(void)
-{
-    BIO_METHOD *prefix_method = apps_bf_prefix();
-    BIO_meth_free(prefix_method);
-    prefix_method = NULL;
-}
-
 void unbuffer(FILE *fp)
 {
 /*
@@ -2594,6 +2680,7 @@ OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
     size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
     size_t params_n;
     char *opt = "", *stmp, *vtmp = NULL;
+    int found = 1;
 
     if (opts == NULL)
         return NULL;
@@ -2612,7 +2699,7 @@ OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
         /* Skip over the separator so that vmtp points to the value */
         vtmp++;
         if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
-                                           stmp, vtmp, strlen(vtmp)))
+                                           stmp, vtmp, strlen(vtmp), &found))
             goto err;
         OPENSSL_free(stmp);
     }
@@ -2620,7 +2707,8 @@ OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
     return params;
 err:
     OPENSSL_free(stmp);
-    BIO_printf(bio_err, "Parameter error '%s'\n", opt);
+    BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
+               opt);
     ERR_print_errors(bio_err);
     app_params_free(params);
     return NULL;