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[bottlenecks.git] / rubbos / app / httpd-2.0.64 / os / win32 / util_win32.c

diff --git a/rubbos/app/httpd-2.0.64/os/win32/util_win32.c b/rubbos/app/httpd-2.0.64/os/win32/util_win32.c
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_strings.h"
+#include "arch/win32/apr_arch_file_io.h"
+#include "arch/win32/apr_arch_misc.h"
+
+#include "httpd.h"
+#include "http_log.h"
+
+#include <stdarg.h>
+#include <time.h>
+#include <stdlib.h>
+
+
+AP_DECLARE(apr_status_t) ap_os_proc_filepath(char **binpath, apr_pool_t *p)
+{
+    apr_wchar_t wbinpath[APR_PATH_MAX];
+
+#if APR_HAS_UNICODE_FS
+    IF_WIN_OS_IS_UNICODE 
+    {
+        apr_size_t binlen;
+        apr_size_t wbinlen;
+        apr_status_t rv;
+        if (!GetModuleFileNameW(NULL, wbinpath, sizeof(wbinpath) 
+                                              / sizeof(apr_wchar_t))) {
+            return apr_get_os_error();
+        }
+        wbinlen = wcslen(wbinpath) + 1;
+        binlen = (wbinlen - 1) * 3 + 1;
+        *binpath = apr_palloc(p, binlen);
+        rv = apr_conv_ucs2_to_utf8(wbinpath, &wbinlen, *binpath, &binlen);
+        if (rv != APR_SUCCESS)
+            return rv;
+        else if (wbinlen)
+            return APR_ENAMETOOLONG;
+    }
+#endif /* APR_HAS_UNICODE_FS */
+#if APR_HAS_ANSI_FS
+    ELSE_WIN_OS_IS_ANSI
+    {
+        /* share the same scratch buffer */
+        char *pathbuf = (char*) wbinpath;
+        if (!GetModuleFileName(NULL, pathbuf, sizeof(wbinpath))) {
+            return apr_get_os_error();
+        }
+        *binpath = apr_pstrdup(p, pathbuf);
+    }
+#endif
+    return APR_SUCCESS;
+}
+
+
+AP_DECLARE(apr_status_t) ap_os_create_privileged_process(
+    const request_rec *r,
+    apr_proc_t *newproc, const char *progname,
+    const char * const *args,
+    const char * const *env,
+    apr_procattr_t *attr, apr_pool_t *p)
+{
+    return apr_proc_create(newproc, progname, args, env, attr, p);
+}
+
+
+/* This code is stolen from misc/win32/misc.c and apr_private.h
+ * This helper code resolves late bound entry points 
+ * missing from one or more releases of the Win32 API...
+ * but it sure would be nice if we didn't duplicate this code
+ * from the APR ;-)
+ */
+static const char* const lateDllName[DLL_defined] = {
+    "kernel32", "advapi32", "mswsock",  "ws2_32"  };
+static HMODULE lateDllHandle[DLL_defined] = {
+    NULL,       NULL,       NULL,       NULL      };
+
+
+FARPROC ap_load_dll_func(ap_dlltoken_e fnLib, char* fnName, int ordinal)
+{
+    if (!lateDllHandle[fnLib]) { 
+        lateDllHandle[fnLib] = LoadLibrary(lateDllName[fnLib]);
+        if (!lateDllHandle[fnLib])
+            return NULL;
+    }
+    if (ordinal)
+        return GetProcAddress(lateDllHandle[fnLib], (char *) ordinal);
+    else
+        return GetProcAddress(lateDllHandle[fnLib], fnName);
+}
+
+
+/* To share the semaphores with other processes, we need a NULL ACL
+ * Code from MS KB Q106387
+ */
+PSECURITY_ATTRIBUTES GetNullACL()
+{
+    PSECURITY_DESCRIPTOR pSD;
+    PSECURITY_ATTRIBUTES sa;
+
+    sa  = (PSECURITY_ATTRIBUTES) LocalAlloc(LPTR, sizeof(SECURITY_ATTRIBUTES));
+    sa->nLength = sizeof(sizeof(SECURITY_ATTRIBUTES));
+
+    pSD = (PSECURITY_DESCRIPTOR) LocalAlloc(LPTR, SECURITY_DESCRIPTOR_MIN_LENGTH);
+    sa->lpSecurityDescriptor = pSD;
+
+    if (pSD == NULL || sa == NULL) {
+        return NULL;
+    }
+    apr_set_os_error(0);
+    if (!InitializeSecurityDescriptor(pSD, SECURITY_DESCRIPTOR_REVISION)
+       || apr_get_os_error()) {
+        LocalFree( pSD );
+        LocalFree( sa );
+        return NULL;
+    }
+    if (!SetSecurityDescriptorDacl(pSD, TRUE, (PACL) NULL, FALSE)
+       || apr_get_os_error()) {
+        LocalFree( pSD );
+        LocalFree( sa );
+        return NULL;
+    }
+
+    sa->bInheritHandle = FALSE;
+    return sa;
+}
+
+
+void CleanNullACL(void *sa) 
+{
+    if (sa) {
+        LocalFree(((PSECURITY_ATTRIBUTES)sa)->lpSecurityDescriptor);
+        LocalFree(sa);
+    }
+}