proc.c

apr-1.2.7.tar.gz源码 支持svn的需求

/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed 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 "win32/apr_arch_threadproc.h"
#include "win32/apr_arch_file_io.h"

#include "apr_thread_proc.h"
#include "apr_file_io.h"
#include "apr_general.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_lib.h"
#include <stdlib.h>
#if APR_HAVE_SIGNAL_H
#include <signal.h>
#endif
#include <string.h>
#if APR_HAVE_PROCESS_H
#include <process.h>
#endif

#ifdef _WIN32_WCE
#ifndef DETACHED_PROCESS
#define DETACHED_PROCESS 0
#endif
#ifndef CREATE_UNICODE_ENVIRONMENT
#define CREATE_UNICODE_ENVIRONMENT 0
#endif
#ifndef STARTF_USESHOWWINDOW
#define STARTF_USESHOWWINDOW 0
#endif
#ifndef SW_HIDE
#define SW_HIDE 0
#endif
#endif
/* 
 * some of the ideas expressed herein are based off of Microsoft
 * Knowledge Base article: Q190351
 *
 */

APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,
                                                  apr_pool_t *pool)
{
    (*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
    (*new)->pool = pool;
    (*new)->cmdtype = APR_PROGRAM;
    return APR_SUCCESS;
}

APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
                                              apr_int32_t in, 
                                              apr_int32_t out,
                                              apr_int32_t err)
{
    apr_status_t stat = APR_SUCCESS;

    if (in) {
        /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
         * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so we
         * must transpose the CHILD/PARENT blocking flags
         * only for the stdin pipe.  stdout/stderr naturally
         * map to the correct mode.
         */
        if (in == APR_CHILD_BLOCK)
            in = APR_READ_BLOCK;
        else if (in == APR_PARENT_BLOCK)
            in = APR_WRITE_BLOCK;
        stat = apr_create_nt_pipe(&attr->child_in, &attr->parent_in, in,
                                  attr->pool);
        if (stat == APR_SUCCESS)
            stat = apr_file_inherit_unset(attr->parent_in);
    }
    if (out && stat == APR_SUCCESS) {
        stat = apr_create_nt_pipe(&attr->parent_out, &attr->child_out, out,
                                  attr->pool);
        if (stat == APR_SUCCESS)
            stat = apr_file_inherit_unset(attr->parent_out);
    }
    if (err && stat == APR_SUCCESS) {
        stat = apr_create_nt_pipe(&attr->parent_err, &attr->child_err, err,
                                  attr->pool);
        if (stat == APR_SUCCESS)
            stat = apr_file_inherit_unset(attr->parent_err);
    }
    return stat;
}

APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, 
                                                  apr_file_t *child_in, 
                                                  apr_file_t *parent_in)
{
    apr_status_t rv = APR_SUCCESS;

    if (child_in) {
        if (attr->child_in == NULL)
            rv = apr_file_dup(&attr->child_in, child_in, attr->pool);
        else
            rv = apr_file_dup2(attr->child_in, child_in, attr->pool);

        if (rv == APR_SUCCESS)
            rv = apr_file_inherit_set(attr->child_in);
    }

    if (parent_in && rv == APR_SUCCESS) {
        if (attr->parent_in == NULL)
            rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
        else
            rv = apr_file_dup2(attr->parent_in, parent_in, attr->pool);
    }

    return rv;
}

APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr,
                                                   apr_file_t *child_out,
                                                   apr_file_t *parent_out)
{
    apr_status_t rv = APR_SUCCESS;

    if (child_out) {
        if (attr->child_out == NULL)
            rv = apr_file_dup(&attr->child_out, child_out, attr->pool);
        else
            rv = apr_file_dup2(attr->child_out, child_out, attr->pool);

        if (rv == APR_SUCCESS)
            rv = apr_file_inherit_set(attr->child_out);
    }

    if (parent_out && rv == APR_SUCCESS) {
        if (attr->parent_out == NULL)
            rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
        else
            rv = apr_file_dup2(attr->parent_out, parent_out, attr->pool);
    }

    return rv;
}

APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr,
                                                   apr_file_t *child_err,
                                                   apr_file_t *parent_err)
{
    apr_status_t rv = APR_SUCCESS;

    if (child_err) {
        if (attr->child_err == NULL)
            rv = apr_file_dup(&attr->child_err, child_err, attr->pool);
        else
            rv = apr_file_dup2(attr->child_err, child_err, attr->pool);

        if (rv == APR_SUCCESS)
            rv = apr_file_inherit_set(attr->child_err);
    }

    if (parent_err && rv == APR_SUCCESS) {
        if (attr->parent_err == NULL)
            rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
        else
            rv = apr_file_dup2(attr->parent_err, parent_err, attr->pool);
    }

    return rv;
}

APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
                                              const char *dir) 
{
    /* curr dir must be in native format, there are all sorts of bugs in
     * the NT library loading code that flunk the '/' parsing test.
     */
    return apr_filepath_merge(&attr->currdir, NULL, dir, 
                              APR_FILEPATH_NATIVE, attr->pool);
}

APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
                                                  apr_cmdtype_e cmd) 
{
    attr->cmdtype = cmd;
    return APR_SUCCESS;
}

APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr,
                                                 apr_int32_t det) 
{
    attr->detached = det;
    return APR_SUCCESS;
}

static apr_status_t attr_cleanup(void *theattr)
{
    apr_procattr_t *attr = (apr_procattr_t *)theattr;    
    if (attr->user_token)
        CloseHandle(attr->user_token);
    attr->user_token = NULL;
    return APR_SUCCESS;
}

APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr, 
                                                const char *username,
                                                const char *password)
{
#ifdef _WIN32_WCE
    return APR_ENOTIMPL;
#else
    HANDLE user;
    apr_wchar_t *wusername = NULL;
    apr_wchar_t *wpassword = NULL;
    apr_status_t rv;
    apr_size_t len, wlen;

    if (apr_os_level >= APR_WIN_NT_4) 
    {
        if (attr->user_token) {
            /* Cannot set that twice */
            if (attr->errfn) {
                attr->errfn(attr->pool, 0, 
                            apr_pstrcat(attr->pool, 
                                        "function called twice" 
                                         " on username: ", username, NULL));
            }
            return APR_EINVAL;
        }
        len = strlen(username) + 1;
        wlen = len;
        wusername = apr_palloc(attr->pool, wlen * sizeof(apr_wchar_t));
        if ((rv = apr_conv_utf8_to_ucs2(username, &len, wusername, &wlen))
                   != APR_SUCCESS) {
            if (attr->errfn) {
                attr->errfn(attr->pool, rv, 
                            apr_pstrcat(attr->pool, 
                                        "utf8 to ucs2 conversion failed" 
                                         " on username: ", username, NULL));
            }
            return rv;
        }
        if (password) {
            len = strlen(password) + 1;
            wlen = len;
            wpassword = apr_palloc(attr->pool, wlen * sizeof(apr_wchar_t));
            if ((rv = apr_conv_utf8_to_ucs2(password, &len, wpassword, &wlen))
                       != APR_SUCCESS) {
                if (attr->errfn) {
                    attr->errfn(attr->pool, rv, 
                                apr_pstrcat(attr->pool, 
                                        "utf8 to ucs2 conversion failed" 
                                         " on password: ", password, NULL));
                }
                return rv;
            }
        }
        if (!LogonUserW(wusername, 
                        NULL, 
                        wpassword ? wpassword : L"",
                        LOGON32_LOGON_NETWORK,
                        LOGON32_PROVIDER_DEFAULT,
                        &user)) {
            /* Logon Failed */            
            return apr_get_os_error();
        }
        if (wpassword)
            memset(wpassword, 0, wlen * sizeof(apr_wchar_t));
        /* Get the primary token for user */
        if (!DuplicateTokenEx(user, 
                              TOKEN_QUERY | TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY, 
                              NULL,
                              SecurityImpersonation,
                              TokenPrimary,
                              &(attr->user_token))) {
            /* Failed to duplicate the user token */
            rv = apr_get_os_error();
            CloseHandle(user);
            return rv;
        }
        CloseHandle(user);

        attr->sd = apr_pcalloc(attr->pool, SECURITY_DESCRIPTOR_MIN_LENGTH);
        InitializeSecurityDescriptor(attr->sd, SECURITY_DESCRIPTOR_REVISION);
        SetSecurityDescriptorDacl(attr->sd, -1, 0, 0);
        attr->sa = apr_palloc(attr->pool, sizeof(SECURITY_ATTRIBUTES));
        attr->sa->nLength = sizeof (SECURITY_ATTRIBUTES);
        attr->sa->lpSecurityDescriptor = attr->sd;
        attr->sa->bInheritHandle = TRUE;

        /* register the cleanup */
        apr_pool_cleanup_register(attr->pool, (void *)attr,