openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

1 files changed, 448 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/dso/dso_lib.c b/thirdparty/openssl/crypto/dso/dso_lib.c
new file mode 100644
index 0000000000..2beb7c1ba5
--- /dev/null
+++ b/thirdparty/openssl/crypto/dso/dso_lib.c
@@ -0,0 +1,448 @@
+/* dso_lib.c */
+/*
+ * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
+ * 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include "cryptlib.h"
+#include <openssl/dso.h>
+
+static DSO_METHOD *default_DSO_meth = NULL;
+
+DSO *DSO_new(void)
+{
+    return (DSO_new_method(NULL));
+}
+
+void DSO_set_default_method(DSO_METHOD *meth)
+{
+    default_DSO_meth = meth;
+}
+
+DSO_METHOD *DSO_get_default_method(void)
+{
+    return (default_DSO_meth);
+}
+
+DSO_METHOD *DSO_get_method(DSO *dso)
+{
+    return (dso->meth);
+}
+
+DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth)
+{
+    DSO_METHOD *mtmp;
+    mtmp = dso->meth;
+    dso->meth = meth;
+    return (mtmp);
+}
+
+DSO *DSO_new_method(DSO_METHOD *meth)
+{
+    DSO *ret;
+
+    if (default_DSO_meth == NULL)
+        /*
+         * We default to DSO_METH_openssl() which in turn defaults to
+         * stealing the "best available" method. Will fallback to
+         * DSO_METH_null() in the worst case.
+         */
+        default_DSO_meth = DSO_METHOD_openssl();
+    ret = (DSO *)OPENSSL_malloc(sizeof(DSO));
+    if (ret == NULL) {
+        DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
+    memset(ret, 0, sizeof(DSO));
+    ret->meth_data = sk_void_new_null();
+    if (ret->meth_data == NULL) {
+        /* sk_new doesn't generate any errors so we do */
+        DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+        OPENSSL_free(ret);
+        return (NULL);
+    }
+    if (meth == NULL)
+        ret->meth = default_DSO_meth;
+    else
+        ret->meth = meth;
+    ret->references = 1;
+    if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+        sk_void_free(ret->meth_data);
+        OPENSSL_free(ret);
+        ret = NULL;
+    }
+    return (ret);
+}
+
+int DSO_free(DSO *dso)
+{
+    int i;
+
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_FREE, ERR_R_PASSED_NULL_PARAMETER);
+        return (0);
+    }
+
+    i = CRYPTO_add(&dso->references, -1, CRYPTO_LOCK_DSO);
+#ifdef REF_PRINT
+    REF_PRINT("DSO", dso);
+#endif
+    if (i > 0)
+        return (1);
+#ifdef REF_CHECK
+    if (i < 0) {
+        fprintf(stderr, "DSO_free, bad reference count\n");
+        abort();
+    }
+#endif
+
+    if ((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso)) {
+        DSOerr(DSO_F_DSO_FREE, DSO_R_UNLOAD_FAILED);
+        return (0);
+    }
+
+    if ((dso->meth->finish != NULL) && !dso->meth->finish(dso)) {
+        DSOerr(DSO_F_DSO_FREE, DSO_R_FINISH_FAILED);
+        return (0);
+    }
+
+    sk_void_free(dso->meth_data);
+    if (dso->filename != NULL)
+        OPENSSL_free(dso->filename);
+    if (dso->loaded_filename != NULL)
+        OPENSSL_free(dso->loaded_filename);
+
+    OPENSSL_free(dso);
+    return (1);
+}
+
+int DSO_flags(DSO *dso)
+{
+    return ((dso == NULL) ? 0 : dso->flags);
+}
+
+int DSO_up_ref(DSO *dso)
+{
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_UP_REF, ERR_R_PASSED_NULL_PARAMETER);
+        return (0);
+    }
+
+    CRYPTO_add(&dso->references, 1, CRYPTO_LOCK_DSO);
+    return (1);
+}
+
+DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags)
+{
+    DSO *ret;
+    int allocated = 0;
+
+    if (dso == NULL) {
+        ret = DSO_new_method(meth);
+        if (ret == NULL) {
+            DSOerr(DSO_F_DSO_LOAD, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+        allocated = 1;
+        /* Pass the provided flags to the new DSO object */
+        if (DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0) {
+            DSOerr(DSO_F_DSO_LOAD, DSO_R_CTRL_FAILED);
+            goto err;
+        }
+    } else
+        ret = dso;
+    /* Don't load if we're currently already loaded */
+    if (ret->filename != NULL) {
+        DSOerr(DSO_F_DSO_LOAD, DSO_R_DSO_ALREADY_LOADED);
+        goto err;
+    }
+    /*
+     * filename can only be NULL if we were passed a dso that already has one
+     * set.
+     */
+    if (filename != NULL)
+        if (!DSO_set_filename(ret, filename)) {
+            DSOerr(DSO_F_DSO_LOAD, DSO_R_SET_FILENAME_FAILED);
+            goto err;
+        }
+    filename = ret->filename;
+    if (filename == NULL) {
+        DSOerr(DSO_F_DSO_LOAD, DSO_R_NO_FILENAME);
+        goto err;
+    }
+    if (ret->meth->dso_load == NULL) {
+        DSOerr(DSO_F_DSO_LOAD, DSO_R_UNSUPPORTED);
+        goto err;
+    }
+    if (!ret->meth->dso_load(ret)) {
+        DSOerr(DSO_F_DSO_LOAD, DSO_R_LOAD_FAILED);
+        goto err;
+    }
+    /* Load succeeded */
+    return (ret);
+ err:
+    if (allocated)
+        DSO_free(ret);
+    return (NULL);
+}
+
+void *DSO_bind_var(DSO *dso, const char *symname)
+{
+    void *ret = NULL;
+
+    if ((dso == NULL) || (symname == NULL)) {
+        DSOerr(DSO_F_DSO_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    if (dso->meth->dso_bind_var == NULL) {
+        DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_UNSUPPORTED);
+        return (NULL);
+    }
+    if ((ret = dso->meth->dso_bind_var(dso, symname)) == NULL) {
+        DSOerr(DSO_F_DSO_BIND_VAR, DSO_R_SYM_FAILURE);
+        return (NULL);
+    }
+    /* Success */
+    return (ret);
+}
+
+DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname)
+{
+    DSO_FUNC_TYPE ret = NULL;
+
+    if ((dso == NULL) || (symname == NULL)) {
+        DSOerr(DSO_F_DSO_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    if (dso->meth->dso_bind_func == NULL) {
+        DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_UNSUPPORTED);
+        return (NULL);
+    }
+    if ((ret = dso->meth->dso_bind_func(dso, symname)) == NULL) {
+        DSOerr(DSO_F_DSO_BIND_FUNC, DSO_R_SYM_FAILURE);
+        return (NULL);
+    }
+    /* Success */
+    return (ret);
+}
+
+/*
+ * I don't really like these *_ctrl functions very much to be perfectly
+ * honest. For one thing, I think I have to return a negative value for any
+ * error because possible DSO_ctrl() commands may return values such as
+ * "size"s that can legitimately be zero (making the standard
+ * "if (DSO_cmd(...))" form that works almost everywhere else fail at odd
+ * times. I'd prefer "output" values to be passed by reference and the return
+ * value as success/failure like usual ... but we conform when we must... :-)
+ */
+long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg)
+{
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+        return (-1);
+    }
+    /*
+     * We should intercept certain generic commands and only pass control to
+     * the method-specific ctrl() function if it's something we don't handle.
+     */
+    switch (cmd) {
+    case DSO_CTRL_GET_FLAGS:
+        return dso->flags;
+    case DSO_CTRL_SET_FLAGS:
+        dso->flags = (int)larg;
+        return (0);
+    case DSO_CTRL_OR_FLAGS:
+        dso->flags |= (int)larg;
+        return (0);
+    default:
+        break;
+    }
+    if ((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL)) {
+        DSOerr(DSO_F_DSO_CTRL, DSO_R_UNSUPPORTED);
+        return (-1);
+    }
+    return (dso->meth->dso_ctrl(dso, cmd, larg, parg));
+}
+
+int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb,
+                           DSO_NAME_CONVERTER_FUNC *oldcb)
+{
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_SET_NAME_CONVERTER, ERR_R_PASSED_NULL_PARAMETER);
+        return (0);
+    }
+    if (oldcb)
+        *oldcb = dso->name_converter;
+    dso->name_converter = cb;
+    return (1);
+}
+
+const char *DSO_get_filename(DSO *dso)
+{
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_GET_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    return (dso->filename);
+}
+
+int DSO_set_filename(DSO *dso, const char *filename)
+{
+    char *copied;
+
+    if ((dso == NULL) || (filename == NULL)) {
+        DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
+        return (0);
+    }
+    if (dso->loaded_filename) {
+        DSOerr(DSO_F_DSO_SET_FILENAME, DSO_R_DSO_ALREADY_LOADED);
+        return (0);
+    }
+    /* We'll duplicate filename */
+    copied = OPENSSL_malloc(strlen(filename) + 1);
+    if (copied == NULL) {
+        DSOerr(DSO_F_DSO_SET_FILENAME, ERR_R_MALLOC_FAILURE);
+        return (0);
+    }
+    BUF_strlcpy(copied, filename, strlen(filename) + 1);
+    if (dso->filename)
+        OPENSSL_free(dso->filename);
+    dso->filename = copied;
+    return (1);
+}
+
+char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
+{
+    char *result = NULL;
+
+    if (dso == NULL || filespec1 == NULL) {
+        DSOerr(DSO_F_DSO_MERGE, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
+        if (dso->merger != NULL)
+            result = dso->merger(dso, filespec1, filespec2);
+        else if (dso->meth->dso_merger != NULL)
+            result = dso->meth->dso_merger(dso, filespec1, filespec2);
+    }
+    return (result);
+}
+
+char *DSO_convert_filename(DSO *dso, const char *filename)
+{
+    char *result = NULL;
+
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_CONVERT_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    if (filename == NULL)
+        filename = dso->filename;
+    if (filename == NULL) {
+        DSOerr(DSO_F_DSO_CONVERT_FILENAME, DSO_R_NO_FILENAME);
+        return (NULL);
+    }
+    if ((dso->flags & DSO_FLAG_NO_NAME_TRANSLATION) == 0) {
+        if (dso->name_converter != NULL)
+            result = dso->name_converter(dso, filename);
+        else if (dso->meth->dso_name_converter != NULL)
+            result = dso->meth->dso_name_converter(dso, filename);
+    }
+    if (result == NULL) {
+        result = OPENSSL_malloc(strlen(filename) + 1);
+        if (result == NULL) {
+            DSOerr(DSO_F_DSO_CONVERT_FILENAME, ERR_R_MALLOC_FAILURE);
+            return (NULL);
+        }
+        BUF_strlcpy(result, filename, strlen(filename) + 1);
+    }
+    return (result);
+}
+
+const char *DSO_get_loaded_filename(DSO *dso)
+{
+    if (dso == NULL) {
+        DSOerr(DSO_F_DSO_GET_LOADED_FILENAME, ERR_R_PASSED_NULL_PARAMETER);
+        return (NULL);
+    }
+    return (dso->loaded_filename);
+}
+
+int DSO_pathbyaddr(void *addr, char *path, int sz)
+{
+    DSO_METHOD *meth = default_DSO_meth;
+    if (meth == NULL)
+        meth = DSO_METHOD_openssl();
+    if (meth->pathbyaddr == NULL) {
+        DSOerr(DSO_F_DSO_PATHBYADDR, DSO_R_UNSUPPORTED);
+        return -1;
+    }
+    return (*meth->pathbyaddr) (addr, path, sz);
+}
+
+void *DSO_global_lookup(const char *name)
+{
+    DSO_METHOD *meth = default_DSO_meth;
+    if (meth == NULL)
+        meth = DSO_METHOD_openssl();
+    if (meth->globallookup == NULL) {
+        DSOerr(DSO_F_DSO_GLOBAL_LOOKUP, DSO_R_UNSUPPORTED);
+        return NULL;
+    }
+    return (*meth->globallookup) (name);
+}