diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/threadproc/win32/proc.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/threadproc/win32/proc.c | 874 |
1 files changed, 874 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/threadproc/win32/proc.c b/rubbos/app/httpd-2.0.64/srclib/apr/threadproc/win32/proc.c new file mode 100644 index 00000000..df1b6404 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/threadproc/win32/proc.c @@ -0,0 +1,874 @@ +/* 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 "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 + +/* We have very carefully excluded volumes of definitions from the + * Microsoft Platform SDK, which kill the build time performance. + * These the sole constants we borrow from WinBase.h and WinUser.h + */ +#ifndef LOGON32_LOGON_NETWORK +#define LOGON32_LOGON_NETWORK 3 +#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 const char* has_space(const char *str) +{ + const char *ch; + for (ch = str; *ch; ++ch) { + if (apr_isspace(*ch)) { + return ch; + } + } + return NULL; +} + +static char *apr_caret_escape_args(apr_pool_t *p, const char *str) +{ + char *cmd; + unsigned char *d; + const unsigned char *s; + + cmd = apr_palloc(p, 2 * strlen(str) + 1); /* Be safe */ + d = (unsigned char *)cmd; + s = (const unsigned char *)str; + for (; *s; ++s) { + + /* + * Newlines to Win32/OS2 CreateProcess() are ill advised. + * Convert them to spaces since they are effectively white + * space to most applications + */ + if (*s == '\r' || *s == '\n') { + *d++ = ' '; + continue; + } + + if (IS_SHCHAR(*s)) { + *d++ = '^'; + } + *d++ = *s; + } + *d = '\0'; + + return cmd; +} + +APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr, + apr_child_errfn_t *errfn) +{ + attr->errfn = errfn; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr, + apr_int32_t chk) +{ + attr->errchk = chk; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr, + apr_int32_t addrspace) +{ + /* won't ever be used on this platform, so don't save the flag */ + return APR_SUCCESS; +} + +#if APR_HAS_UNICODE_FS && !defined(_WIN32_WCE) + +/* Used only for the NT code path, a critical section is the fastest + * implementation available. + */ +static CRITICAL_SECTION proc_lock; + +static apr_status_t threadproc_global_cleanup(void *ignored) +{ + DeleteCriticalSection(&proc_lock); + return APR_SUCCESS; +} + +/* Called from apr_initialize, we need a critical section to handle + * the pipe inheritance on win32. This will mutex any process create + * so as we change our inherited pipes, we prevent another process from + * also inheriting those alternate handles, and prevent the other process + * from failing to inherit our standard handles. + */ +apr_status_t apr_threadproc_init(apr_pool_t *pool) +{ + IF_WIN_OS_IS_UNICODE + { + InitializeCriticalSection(&proc_lock); + /* register the cleanup */ + apr_pool_cleanup_register(pool, &proc_lock, + threadproc_global_cleanup, + apr_pool_cleanup_null); + } + return APR_SUCCESS; +} + +#else /* !APR_HAS_UNICODE_FS || defined(_WIN32_WCE) */ + +apr_status_t apr_threadproc_init(apr_pool_t *pool) +{ + return APR_SUCCESS; +} + +#endif + +APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *new, + const char *progname, + const char * const *args, + const char * const *env, + apr_procattr_t *attr, + apr_pool_t *pool) +{ + apr_status_t rv; + apr_size_t i; + const char *argv0; + char *cmdline; + char *pEnvBlock; + PROCESS_INFORMATION pi; + DWORD dwCreationFlags = 0; + + new->in = attr->parent_in; + new->out = attr->parent_out; + new->err = attr->parent_err; + + if (attr->detached) { + /* If we are creating ourselves detached, Then we should hide the + * window we are starting in. And we had better redfine our + * handles for STDIN, STDOUT, and STDERR. Do not set the + * detached attribute for Win9x. We have found that Win9x does + * not manage the stdio handles properly when running old 16 + * bit executables if the detached attribute is set. + */ + if (apr_os_level >= APR_WIN_NT) { + /* + * XXX DETACHED_PROCESS won't on Win9x at all; on NT/W2K + * 16 bit executables fail (MS KB: Q150956) + */ + dwCreationFlags |= DETACHED_PROCESS; + } + } + + /* progname must be unquoted, in native format, as there are all sorts + * of bugs in the NT library loader code that fault when parsing '/'. + * XXX progname must be NULL if this is a 16 bit app running in WOW + */ + if (progname[0] == '\"') { + progname = apr_pstrndup(pool, progname + 1, strlen(progname) - 2); + } + + if (attr->cmdtype == APR_PROGRAM || attr->cmdtype == APR_PROGRAM_ENV) { + char *fullpath = NULL; + if ((rv = apr_filepath_merge(&fullpath, attr->currdir, progname, + APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) { + if (attr->errfn) { + attr->errfn(pool, rv, + apr_pstrcat(pool, "filepath_merge failed.", + " currdir: ", attr->currdir, + " progname: ", progname,NULL)); + } + return rv; + } + progname = fullpath; + } + else { + /* Do not fail if the path isn't parseable for APR_PROGRAM_PATH + * or APR_SHELLCMD. We only invoke apr_filepath_merge (with no + * left hand side expression) in order to correct the path slash + * delimiters. But the filename doesn't need to be in the CWD, + * nor does it need to be a filename at all (it could be a + * built-in shell command.) + */ + char *fullpath = NULL; + if ((rv = apr_filepath_merge(&fullpath, "", progname, + APR_FILEPATH_NATIVE, pool)) == APR_SUCCESS) { + progname = fullpath; + } + } + + if (has_space(progname)) { + argv0 = apr_pstrcat(pool, "\"", progname, "\"", NULL); + } + else { + argv0 = progname; + } + + /* Handle the args, seperate from argv0 */ + cmdline = ""; + for (i = 1; args && args[i]; ++i) { + if (has_space(args[i]) || !args[i][0]) { + cmdline = apr_pstrcat(pool, cmdline, " \"", args[i], "\"", NULL); + } + else { + cmdline = apr_pstrcat(pool, cmdline, " ", args[i], NULL); + } + } + +#ifndef _WIN32_WCE + if (attr->cmdtype == APR_SHELLCMD || attr->cmdtype == APR_SHELLCMD_ENV) { + char *shellcmd = getenv("COMSPEC"); + if (!shellcmd) { + if (attr->errfn) { + attr->errfn(pool, APR_EINVAL, "COMSPEC envar is not set"); + } + return APR_EINVAL; + } + if (shellcmd[0] == '"') { + progname = apr_pstrndup(pool, shellcmd + 1, strlen(shellcmd) - 2); + } + else { + progname = shellcmd; + if (has_space(shellcmd)) { + shellcmd = apr_pstrcat(pool, "\"", shellcmd, "\"", NULL); + } + } + /* Command.com does not support a quoted command, while cmd.exe demands one. + */ + i = strlen(progname); + if (i >= 11 && strcasecmp(progname + i - 11, "command.com") == 0) { + cmdline = apr_pstrcat(pool, shellcmd, " /C ", argv0, cmdline, NULL); + } + else { + cmdline = apr_pstrcat(pool, shellcmd, " /C \"", argv0, cmdline, "\"", NULL); + } + } + else +#endif + { +#if defined(_WIN32_WCE) + { +#else + /* Win32 is _different_ than unix. While unix will find the given + * program since it's already chdir'ed, Win32 cannot since the parent + * attempts to open the program with it's own path. + * ###: This solution isn't much better - it may defeat path searching + * when the path search was desired. Open to further discussion. + */ + i = strlen(progname); + if (i >= 4 && (strcasecmp(progname + i - 4, ".bat") == 0 + || strcasecmp(progname + i - 4, ".cmd") == 0)) + { + char *shellcmd = getenv("COMSPEC"); + if (!shellcmd) { + if (attr->errfn) { + attr->errfn(pool, APR_EINVAL, "COMSPEC envar is not set"); + } + return APR_EINVAL; + } + if (shellcmd[0] == '"') { + progname = apr_pstrndup(pool, shellcmd + 1, strlen(shellcmd) - 2); + } + else { + progname = shellcmd; + if (has_space(shellcmd)) { + shellcmd = apr_pstrcat(pool, "\"", shellcmd, "\"", NULL); + } + } + i = strlen(progname); + if (i >= 11 && strcasecmp(progname + i - 11, "command.com") == 0) { + /* XXX: Still insecure - need doubled-quotes on each individual + * arg of cmdline. Suspect we need to postpone cmdline parsing + * until this moment in all four code paths, with some flags + * to toggle 'which flavor' is needed. + */ + cmdline = apr_pstrcat(pool, shellcmd, " /C ", argv0, cmdline, NULL); + } + else { + /* We must protect the cmdline args from any interpolation - this + * is not a shellcmd, and the source of argv[] is untrusted. + * Notice we escape ALL the cmdline args, including the quotes + * around the individual args themselves. No sense in allowing + * the shift-state to be toggled, and the application will + * not see the caret escapes. + */ + cmdline = apr_caret_escape_args(pool, cmdline); + /* + * Our app name must always be quoted so the quotes surrounding + * the entire /c "command args" are unambigious. + */ + if (*argv0 != '"') { + cmdline = apr_pstrcat(pool, shellcmd, " /C \"\"", argv0, "\"", cmdline, "\"", NULL); + } + else { + cmdline = apr_pstrcat(pool, shellcmd, " /C \"", argv0, cmdline, "\"", NULL); + } + } + } + else { +#endif + /* A simple command we are directly invoking. Do not pass + * the first arg to CreateProc() for APR_PROGRAM_PATH + * invocation, since it would need to be a literal and + * complete file path. That is; "c:\bin\aprtest.exe" + * would succeed, but "c:\bin\aprtest" or "aprtest.exe" + * can fail. + */ + cmdline = apr_pstrcat(pool, argv0, cmdline, NULL); + + if (attr->cmdtype == APR_PROGRAM_PATH) { + progname = NULL; + } + } + } + + if (!env || attr->cmdtype == APR_PROGRAM_ENV || + attr->cmdtype == APR_SHELLCMD_ENV) { + pEnvBlock = NULL; + } + else { + apr_size_t iEnvBlockLen; + /* + * Win32's CreateProcess call requires that the environment + * be passed in an environment block, a null terminated block of + * null terminated strings. + */ + i = 0; + iEnvBlockLen = 1; + while (env[i]) { + iEnvBlockLen += strlen(env[i]) + 1; + i++; + } + if (!i) + ++iEnvBlockLen; + +#if APR_HAS_UNICODE_FS + IF_WIN_OS_IS_UNICODE + { + apr_wchar_t *pNext; + pEnvBlock = (char *)apr_palloc(pool, iEnvBlockLen * 2); + dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT; + + i = 0; + pNext = (apr_wchar_t*)pEnvBlock; + while (env[i]) { + apr_size_t in = strlen(env[i]) + 1; + if ((rv = apr_conv_utf8_to_ucs2(env[i], &in, + pNext, &iEnvBlockLen)) + != APR_SUCCESS) { + if (attr->errfn) { + attr->errfn(pool, rv, + apr_pstrcat(pool, + "utf8 to ucs2 conversion failed" + " on this string: ", env[i], NULL)); + } + return rv; + } + pNext = wcschr(pNext, L'\0') + 1; + i++; + } + if (!i) + *(pNext++) = L'\0'; + *pNext = L'\0'; + } +#endif /* APR_HAS_UNICODE_FS */ +#if APR_HAS_ANSI_FS + ELSE_WIN_OS_IS_ANSI + { + char *pNext; + pEnvBlock = (char *)apr_palloc(pool, iEnvBlockLen); + + i = 0; + pNext = pEnvBlock; + while (env[i]) { + strcpy(pNext, env[i]); + pNext = strchr(pNext, '\0') + 1; + i++; + } + if (!i) + *(pNext++) = '\0'; + *pNext = '\0'; + } +#endif /* APR_HAS_ANSI_FS */ + } + + new->invoked = cmdline; + +#if APR_HAS_UNICODE_FS + IF_WIN_OS_IS_UNICODE + { + STARTUPINFOW si; + DWORD stdin_reset = 0; + DWORD stdout_reset = 0; + DWORD stderr_reset = 0; + apr_wchar_t *wprg = NULL; + apr_wchar_t *wcmd = NULL; + apr_wchar_t *wcwd = NULL; + + if (progname) { + apr_size_t nprg = strlen(progname) + 1; + apr_size_t nwprg = nprg + 6; + wprg = apr_palloc(pool, nwprg * sizeof(wprg[0])); + if ((rv = apr_conv_utf8_to_ucs2(progname, &nprg, wprg, &nwprg)) + != APR_SUCCESS) { + if (attr->errfn) { + attr->errfn(pool, rv, + apr_pstrcat(pool, + "utf8 to ucs2 conversion failed" + " on progname: ", progname, NULL)); + } + return rv; + } + } + + if (cmdline) { + apr_size_t ncmd = strlen(cmdline) + 1; + apr_size_t nwcmd = ncmd; + wcmd = apr_palloc(pool, nwcmd * sizeof(wcmd[0])); + if ((rv = apr_conv_utf8_to_ucs2(cmdline, &ncmd, wcmd, &nwcmd)) + != APR_SUCCESS) { + if (attr->errfn) { + attr->errfn(pool, rv, + apr_pstrcat(pool, + "utf8 to ucs2 conversion failed" + " on cmdline: ", cmdline, NULL)); + } + return rv; + } + } + + if (attr->currdir) + { + apr_size_t ncwd = strlen(attr->currdir) + 1; + apr_size_t nwcwd = ncwd; + wcwd = apr_palloc(pool, ncwd * sizeof(wcwd[0])); + if ((rv = apr_conv_utf8_to_ucs2(attr->currdir, &ncwd, + wcwd, &nwcwd)) + != APR_SUCCESS) { + if (attr->errfn) { + attr->errfn(pool, rv, + apr_pstrcat(pool, + "utf8 to ucs2 conversion failed" + " on currdir: ", attr->currdir, NULL)); + } + return rv; + } + } + + memset(&si, 0, sizeof(si)); + si.cb = sizeof(si); + + if (attr->detached) { + si.dwFlags |= STARTF_USESHOWWINDOW; + si.wShowWindow = SW_HIDE; + } + +#ifndef _WIN32_WCE + /* LOCK CRITICAL SECTION + * before we begin to manipulate the inherited handles + */ + EnterCriticalSection(&proc_lock); + + if ((attr->child_in && attr->child_in->filehand) + || (attr->child_out && attr->child_out->filehand) + || (attr->child_err && attr->child_err->filehand)) + { + si.dwFlags |= STARTF_USESTDHANDLES; + + si.hStdInput = GetStdHandle(STD_INPUT_HANDLE); + if (GetHandleInformation(si.hStdInput, &stdin_reset) + && (stdin_reset &= HANDLE_FLAG_INHERIT)) + SetHandleInformation(si.hStdInput, + HANDLE_FLAG_INHERIT, 0); + + if (attr->child_in && attr->child_in->filehand) + { + si.hStdInput = attr->child_in->filehand; + SetHandleInformation(si.hStdInput, HANDLE_FLAG_INHERIT, + HANDLE_FLAG_INHERIT); + } + else + si.hStdInput = INVALID_HANDLE_VALUE; + + si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); + if (GetHandleInformation(si.hStdOutput, &stdout_reset) + && (stdout_reset &= HANDLE_FLAG_INHERIT)) + SetHandleInformation(si.hStdOutput, + HANDLE_FLAG_INHERIT, 0); + + if (attr->child_out && attr->child_out->filehand) + { + si.hStdOutput = attr->child_out->filehand; + SetHandleInformation(si.hStdOutput, HANDLE_FLAG_INHERIT, + HANDLE_FLAG_INHERIT); + } + else + si.hStdOutput = INVALID_HANDLE_VALUE; + + si.hStdError = GetStdHandle(STD_ERROR_HANDLE); + if (GetHandleInformation(si.hStdError, &stderr_reset) + && (stderr_reset &= HANDLE_FLAG_INHERIT)) + SetHandleInformation(si.hStdError, + HANDLE_FLAG_INHERIT, 0); + + if (attr->child_err && attr->child_err->filehand) + { + si.hStdError = attr->child_err->filehand; + SetHandleInformation(si.hStdError, HANDLE_FLAG_INHERIT, + HANDLE_FLAG_INHERIT); + } + else + si.hStdError = INVALID_HANDLE_VALUE; + } + rv = CreateProcessW(wprg, wcmd, /* Executable & Command line */ + NULL, NULL, /* Proc & thread security attributes */ + TRUE, /* Inherit handles */ + dwCreationFlags, /* Creation flags */ + pEnvBlock, /* Environment block */ + wcwd, /* Current directory name */ + &si, &pi); + + if ((attr->child_in && attr->child_in->filehand) + || (attr->child_out && attr->child_out->filehand) + || (attr->child_err && attr->child_err->filehand)) + { + if (stdin_reset) + SetHandleInformation(GetStdHandle(STD_INPUT_HANDLE), + stdin_reset, stdin_reset); + + if (stdout_reset) + SetHandleInformation(GetStdHandle(STD_OUTPUT_HANDLE), + stdout_reset, stdout_reset); + + if (stderr_reset) + SetHandleInformation(GetStdHandle(STD_ERROR_HANDLE), + stderr_reset, stderr_reset); + } + /* RELEASE CRITICAL SECTION + * The state of the inherited handles has been restored. + */ + LeaveCriticalSection(&proc_lock); + +#else /* defined(_WIN32_WCE) */ + rv = CreateProcessW(wprg, wcmd, /* Executable & Command line */ + NULL, NULL, /* Proc & thread security attributes */ + FALSE, /* must be 0 */ + dwCreationFlags, /* Creation flags */ + NULL, /* Environment block must be NULL */ + NULL, /* Current directory name must be NULL*/ + NULL, /* STARTUPINFO not supported */ + &pi); +#endif + } +#endif /* APR_HAS_UNICODE_FS */ +#if APR_HAS_ANSI_FS + ELSE_WIN_OS_IS_ANSI + { + STARTUPINFOA si; + memset(&si, 0, sizeof(si)); + si.cb = sizeof(si); + + if (attr->detached) { + si.dwFlags |= STARTF_USESHOWWINDOW; + si.wShowWindow = SW_HIDE; + } + + if ((attr->child_in && attr->child_in->filehand) + || (attr->child_out && attr->child_out->filehand) + || (attr->child_err && attr->child_err->filehand)) + { + si.dwFlags |= STARTF_USESTDHANDLES; + + si.hStdInput = (attr->child_in) + ? attr->child_in->filehand + : GetStdHandle(STD_INPUT_HANDLE); + + si.hStdOutput = (attr->child_out) + ? attr->child_out->filehand + : GetStdHandle(STD_OUTPUT_HANDLE); + + si.hStdError = (attr->child_err) + ? attr->child_err->filehand + : GetStdHandle(STD_ERROR_HANDLE); + } + + rv = CreateProcessA(progname, cmdline, /* Command line */ + NULL, NULL, /* Proc & thread security attributes */ + TRUE, /* Inherit handles */ + dwCreationFlags, /* Creation flags */ + pEnvBlock, /* Environment block */ + attr->currdir, /* Current directory name */ + &si, &pi); + } +#endif /* APR_HAS_ANSI_FS */ + + /* Check CreateProcess result + */ + if (!rv) + return apr_get_os_error(); + + /* XXX Orphaned handle warning - no fix due to broken apr_proc_t api. + */ + new->hproc = pi.hProcess; + new->pid = pi.dwProcessId; + + if (attr->child_in) { + apr_file_close(attr->child_in); + } + if (attr->child_out) { + apr_file_close(attr->child_out); + } + if (attr->child_err) { + apr_file_close(attr->child_err); + } + CloseHandle(pi.hThread); + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc, + int *exitcode, + apr_exit_why_e *exitwhy, + apr_wait_how_e waithow, + apr_pool_t *p) +{ + /* Unix does apr_proc_wait(proc(-1), exitcode, exitwhy, waithow) + * but Win32's apr_proc_wait won't work that way. We can either + * register all APR created processes in some sort of AsyncWait + * thread, or simply walk from the global process pool for all + * apr_pool_note_subprocess()es registered with APR. + */ + return APR_ENOTIMPL; +} + +static apr_exit_why_e why_from_exit_code(DWORD exit) { + /* See WinNT.h STATUS_ACCESS_VIOLATION and family for how + * this class of failures was determined + */ + if (((exit & 0xC0000000) == 0xC0000000) + && !(exit & 0x3FFF0000)) + return APR_PROC_SIGNAL; + else + return APR_PROC_EXIT; + + /* ### No way to tell if Dr Watson grabbed a core, AFAICT. */ +} + +APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc, + int *exitcode, apr_exit_why_e *exitwhy, + apr_wait_how_e waithow) +{ + DWORD stat; + DWORD time; + + if (waithow == APR_WAIT) + time = INFINITE; + else + time = 0; + + if ((stat = WaitForSingleObject(proc->hproc, time)) == WAIT_OBJECT_0) { + if (GetExitCodeProcess(proc->hproc, &stat)) { + if (exitcode) + *exitcode = stat; + if (exitwhy) + *exitwhy = why_from_exit_code(stat); + CloseHandle(proc->hproc); + proc->hproc = NULL; + return APR_CHILD_DONE; + } + } + else if (stat == WAIT_TIMEOUT) { + return APR_CHILD_NOTDONE; + } + return apr_get_os_error(); +} |