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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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#include "apr_arch_dso.h"
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#include "apr_strings.h"
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#include "apr_private.h"
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#include "apr_arch_file_io.h"
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#include "apr_arch_utf8.h"
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APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso,
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apr_os_dso_handle_t osdso,
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*aprdso = apr_pcalloc(pool, sizeof **aprdso);
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(*aprdso)->handle = osdso;
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(*aprdso)->cont = pool;
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APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso,
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apr_dso_handle_t *aprdso)
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*osdso = aprdso->handle;
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static apr_status_t dso_cleanup(void *thedso)
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apr_dso_handle_t *dso = thedso;
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if (dso->handle != NULL && !FreeLibrary(dso->handle)) {
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return apr_get_os_error();
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APR_DECLARE(apr_status_t) apr_dso_load(struct apr_dso_handle_t **res_handle,
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const char *path, apr_pool_t *ctx)
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#if APR_HAS_UNICODE_FS
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apr_wchar_t wpath[APR_PATH_MAX];
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if ((rv = utf8_to_unicode_path(wpath, sizeof(wpath)
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/ sizeof(apr_wchar_t), path))
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*res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
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return ((*res_handle)->load_error = rv);
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/* Prevent ugly popups from killing our app */
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em = SetErrorMode(SEM_FAILCRITICALERRORS);
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os_handle = LoadLibraryExW(wpath, NULL, 0);
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os_handle = LoadLibraryExW(wpath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
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rv = apr_get_os_error();
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#endif /* APR_HAS_UNICODE_FS */
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char fspec[APR_PATH_MAX], *p = fspec;
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/* Must convert path from / to \ notation.
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* Per PR2555, the LoadLibraryEx function is very picky about slashes.
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* Debugging on NT 4 SP 6a reveals First Chance Exception within NTDLL.
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* LoadLibrary in the MS PSDK also reveals that it -explicitly- states
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* that backslashes must be used for the LoadLibrary family of calls.
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apr_cpystrn(fspec, path, sizeof(fspec));
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while ((p = strchr(p, '/')) != NULL)
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/* Prevent ugly popups from killing our app */
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em = SetErrorMode(SEM_FAILCRITICALERRORS);
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os_handle = LoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
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os_handle = LoadLibraryEx(path, NULL, 0);
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rv = apr_get_os_error();
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*res_handle = apr_pcalloc(ctx, sizeof(**res_handle));
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(*res_handle)->cont = ctx;
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return ((*res_handle)->load_error = rv);
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(*res_handle)->handle = (void*)os_handle;
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(*res_handle)->load_error = APR_SUCCESS;
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apr_pool_cleanup_register(ctx, *res_handle, dso_cleanup, apr_pool_cleanup_null);
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APR_DECLARE(apr_status_t) apr_dso_unload(struct apr_dso_handle_t *handle)
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return apr_pool_cleanup_run(handle->cont, handle, dso_cleanup);
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APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym,
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struct apr_dso_handle_t *handle,
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apr_size_t symlen = strlen(symname) + 1;
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apr_size_t wsymlen = 256;
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apr_wchar_t wsymname[256];
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rv = apr_conv_utf8_to_ucs2(wsymname, &wsymlen, symname, &symlen);
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if (rv != APR_SUCCESS) {
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return APR_ENAMETOOLONG;
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*ressym = (apr_dso_handle_sym_t)GetProcAddressW(handle->handle, wsymname);
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*ressym = (apr_dso_handle_sym_t)GetProcAddress(handle->handle, symname);
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return apr_get_os_error();
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APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize)
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return apr_strerror(dso->load_error, buf, bufsize);