diff options
Diffstat (limited to 'sapi/isapi/php4isapi.c')
| -rw-r--r-- | sapi/isapi/php4isapi.c | 661 |
1 files changed, 0 insertions, 661 deletions
diff --git a/sapi/isapi/php4isapi.c b/sapi/isapi/php4isapi.c deleted file mode 100644 index 461b9287ca..0000000000 --- a/sapi/isapi/php4isapi.c +++ /dev/null @@ -1,661 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP version 4.0 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Zeev Suraski <zeev@zend.com> | - | Zeus Support: Ben Mansell <ben@zeus.com> | - +----------------------------------------------------------------------+ - */ - -#ifdef PHP_WIN32 -# include <windows.h> -# include <process.h> -#else -# define __try -# define __except(val) -# define __declspec(foo) -#endif - -#include <httpext.h> -#include <httpfilt.h> -#include <httpext.h> -#include "php.h" -#include "php_main.h" -#include "SAPI.h" -#include "php_globals.h" -#include "ext/standard/info.h" -#include "php_variables.h" -#include "php_ini.h" - -#ifdef WITH_ZEUS -# include "httpext.h" -# include <errno.h> -# define GetLastError() errno -#endif - -#define MAX_STATUS_LENGTH sizeof("xxxx LONGEST STATUS DESCRIPTION") -#define ISAPI_SERVER_VAR_BUF_SIZE 1024 -#define ISAPI_POST_DATA_BUF 1024 - -static zend_bool bFilterLoaded=0; -static zend_bool bTerminateThreadsOnError=0; - -static char *isapi_server_variables[] = { - "ALL_HTTP", - "APPL_MD_PATH", - "APPL_PHYSICAL_PATH", - "AUTH_PASSWORD", - "AUTH_TYPE", - "AUTH_USER", - "CERT_COOKIE", - "CERT_FLAGS", - "CERT_ISSUER", - "CERT_KEYSIZE", - "CERT_SECRETKEYSIZE", - "CERT_SERIALNUMBER", - "CERT_SERVER_ISSUER", - "CERT_SERVER_SUBJECT", - "CERT_SUBJECT", - "CONTENT_LENGTH", - "CONTENT_TYPE", - "LOGON_USER", - "HTTP_COOKIE", - "HTTPS", - "HTTPS_KEYSIZE", - "HTTPS_SECRETKEYSIZE", - "HTTPS_SERVER_ISSUER", - "HTTPS_SERVER_SUBJECT", - "INSTANCE_ID", - "INSTANCE_META_PATH", - "PATH_INFO", - "PATH_TRANSLATED", - "QUERY_STRING", - "REMOTE_ADDR", - "REMOTE_HOST", - "REMOTE_USER", - "REQUEST_METHOD", - "REQUEST_URI", - "SCRIPT_NAME", - "SERVER_NAME", - "SERVER_PORT", - "SERVER_PORT_SECURE", - "SERVER_PROTOCOL", - "SERVER_SOFTWARE", - "URL", - NULL -}; - - -static void php_info_isapi(ZEND_MODULE_INFO_FUNC_ARGS) -{ - char **p = isapi_server_variables; - char variable_buf[ISAPI_SERVER_VAR_BUF_SIZE]; - DWORD variable_len; - LPEXTENSION_CONTROL_BLOCK lpECB; - SLS_FETCH(); - - lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - - php_info_print_table_start(); - php_info_print_table_header(2, "Server Variable", "Value"); - while (*p) { - variable_len = ISAPI_SERVER_VAR_BUF_SIZE; - if (lpECB->GetServerVariable(lpECB->ConnID, *p, variable_buf, &variable_len) - && variable_buf[0]) { - php_info_print_table_row(2, *p, variable_buf); - } else if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { - char *tmp_variable_buf; - - tmp_variable_buf = (char *) emalloc(variable_len); - if (lpECB->GetServerVariable(lpECB->ConnID, *p, tmp_variable_buf, &variable_len) - && variable_buf[0]) { - php_info_print_table_row(2, *p, tmp_variable_buf); - } - efree(tmp_variable_buf); - } - p++; - } - php_info_print_table_end(); -} - - -static zend_module_entry php_isapi_module = { - "ISAPI", - NULL, - NULL, - NULL, - NULL, - NULL, - php_info_isapi, - STANDARD_MODULE_PROPERTIES -}; - - -static int sapi_isapi_ub_write(const char *str, uint str_length) -{ - DWORD num_bytes = str_length; - LPEXTENSION_CONTROL_BLOCK ecb; - SLS_FETCH(); - - ecb = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - if (ecb->WriteClient(ecb->ConnID, (char *) str, &num_bytes, HSE_IO_SYNC ) == FALSE) { - zend_bailout(); - } - return num_bytes; -} - - -static int sapi_isapi_header_handler(sapi_header_struct *sapi_header, sapi_headers_struct *sapi_headers SLS_DC) -{ - return SAPI_HEADER_ADD; -} - - - -static void accumulate_header_length(sapi_header_struct *sapi_header, uint *total_length) -{ - *total_length += sapi_header->header_len+2; -} - - -static void concat_header(sapi_header_struct *sapi_header, char **combined_headers_ptr) -{ - memcpy(*combined_headers_ptr, sapi_header->header, sapi_header->header_len); - *combined_headers_ptr += sapi_header->header_len; - **combined_headers_ptr = '\r'; - (*combined_headers_ptr)++; - **combined_headers_ptr = '\n'; - (*combined_headers_ptr)++; -} - - -static int sapi_isapi_send_headers(sapi_headers_struct *sapi_headers SLS_DC) -{ - uint total_length = 2; /* account for the trailing \r\n */ - char *combined_headers, *combined_headers_ptr; - LPEXTENSION_CONTROL_BLOCK lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - HSE_SEND_HEADER_EX_INFO header_info; - char status_buf[MAX_STATUS_LENGTH]; - sapi_header_struct default_content_type; - PLS_FETCH(); - - /* Obtain headers length */ - if (SG(sapi_headers).send_default_content_type) { - sapi_get_default_content_type_header(&default_content_type SLS_CC); - accumulate_header_length(&default_content_type, (void *) &total_length); - } - zend_llist_apply_with_argument(&SG(sapi_headers).headers, (void (*)(void *, void *)) accumulate_header_length, (void *) &total_length); - - /* Generate headers */ - combined_headers = (char *) emalloc(total_length+1); - combined_headers_ptr = combined_headers; - if (SG(sapi_headers).send_default_content_type) { - concat_header(&default_content_type, (void *) &combined_headers_ptr); - sapi_free_header(&default_content_type); /* we no longer need it */ - } - zend_llist_apply_with_argument(&SG(sapi_headers).headers, (void (*)(void *, void *)) concat_header, (void *) &combined_headers_ptr); - *combined_headers_ptr++ = '\r'; - *combined_headers_ptr++ = '\n'; - *combined_headers_ptr = 0; - - switch (SG(sapi_headers).http_response_code) { - case 200: - header_info.pszStatus = "200 OK"; - break; - case 302: - header_info.pszStatus = "302 Moved Temporarily"; - break; - case 401: - header_info.pszStatus = "401 Authorization Required"; - break; - default: - snprintf(status_buf, MAX_STATUS_LENGTH, "%d Undescribed", SG(sapi_headers).http_response_code); - header_info.pszStatus = status_buf; - break; - } - header_info.cchStatus = strlen(header_info.pszStatus); - header_info.pszHeader = combined_headers; - header_info.cchHeader = total_length; - lpECB->dwHttpStatusCode = SG(sapi_headers).http_response_code; - - lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL); - - efree(combined_headers); - return SAPI_HEADER_SENT_SUCCESSFULLY; -} - - -static int php_isapi_startup(sapi_module_struct *sapi_module) -{ - if (php_module_startup(sapi_module)==FAILURE - || zend_startup_module(&php_isapi_module)==FAILURE) { - return FAILURE; - } else { - bTerminateThreadsOnError = (zend_bool) INI_INT("isapi.terminate_threads_on_error"); - return SUCCESS; - } -} - - - -static int sapi_isapi_read_post(char *buffer, uint count_bytes SLS_DC) -{ - LPEXTENSION_CONTROL_BLOCK lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - DWORD read_from_buf=0; - DWORD read_from_input=0; - DWORD total_read=0; - - if ((DWORD) SG(read_post_bytes) < lpECB->cbAvailable) { - read_from_buf = MIN(lpECB->cbAvailable-SG(read_post_bytes), count_bytes); - memcpy(buffer, lpECB->lpbData+SG(read_post_bytes), read_from_buf); - total_read += read_from_buf; - } - if (read_from_buf<count_bytes - && (SG(read_post_bytes)+read_from_buf) < lpECB->cbTotalBytes) { - DWORD cbRead=0, cbSize; - - read_from_input = MIN(count_bytes-read_from_buf, lpECB->cbTotalBytes-SG(read_post_bytes)-read_from_buf); - while (cbRead < read_from_input) { - cbSize = read_from_input - cbRead; - if (!lpECB->ReadClient(lpECB->ConnID, buffer+read_from_buf+cbRead, &cbSize) || cbSize==0) { - break; - } - cbRead += cbSize; - } - total_read += cbRead; - } - return total_read; -} - - -static char *sapi_isapi_read_cookies(SLS_D) -{ - LPEXTENSION_CONTROL_BLOCK lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - char variable_buf[ISAPI_SERVER_VAR_BUF_SIZE]; - DWORD variable_len = ISAPI_SERVER_VAR_BUF_SIZE; - - if (lpECB->GetServerVariable(lpECB->ConnID, "HTTP_COOKIE", variable_buf, &variable_len)) { - return estrndup(variable_buf, variable_len); - } else if (GetLastError()==ERROR_INSUFFICIENT_BUFFER) { - char *tmp_variable_buf = (char *) emalloc(variable_len+1); - - if (lpECB->GetServerVariable(lpECB->ConnID, "HTTP_COOKIE", tmp_variable_buf, &variable_len)) { - tmp_variable_buf[variable_len] = 0; - return tmp_variable_buf; - } else { - efree(tmp_variable_buf); - } - } - return NULL; -} - - -static void sapi_isapi_register_server_variables(zval *track_vars_array ELS_DC SLS_DC PLS_DC) -{ - char static_variable_buf[ISAPI_SERVER_VAR_BUF_SIZE]; - char *variable_buf; - DWORD variable_len = ISAPI_SERVER_VAR_BUF_SIZE; - char *variable; - char *strtok_buf = NULL; - LPEXTENSION_CONTROL_BLOCK lpECB; - char **p = isapi_server_variables; - - lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - - /* Register the standard ISAPI variables */ - while (*p) { - variable_len = ISAPI_SERVER_VAR_BUF_SIZE; - if (lpECB->GetServerVariable(lpECB->ConnID, *p, static_variable_buf, &variable_len) - && static_variable_buf[0]) { - php_register_variable(*p, static_variable_buf, track_vars_array ELS_CC PLS_CC); - } else if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { - variable_buf = (char *) emalloc(variable_len); - if (lpECB->GetServerVariable(lpECB->ConnID, *p, variable_buf, &variable_len) - && variable_buf[0]) { - php_register_variable(*p, variable_buf, track_vars_array ELS_CC PLS_CC); - } - efree(variable_buf); - } - p++; - } - - /* PHP_SELF support */ -#ifdef WITH_ZEUS - if (lpECB->GetServerVariable(lpECB->ConnID, "PATH_INFO", static_variable_buf, &variable_len) -#else - if (lpECB->GetServerVariable(lpECB->ConnID, "SCRIPT_NAME", static_variable_buf, &variable_len) -#endif - && static_variable_buf[0]) { - php_register_variable("PHP_SELF", static_variable_buf, track_vars_array ELS_CC PLS_CC); - } - - /* Register the internal bits of ALL_HTTP */ - - variable_len = ISAPI_SERVER_VAR_BUF_SIZE; - - if (lpECB->GetServerVariable(lpECB->ConnID, "ALL_HTTP", static_variable_buf, &variable_len)) { - variable_buf = static_variable_buf; - } else { - if (GetLastError()==ERROR_INSUFFICIENT_BUFFER) { - variable_buf = (char *) emalloc(variable_len); - if (!lpECB->GetServerVariable(lpECB->ConnID, "ALL_HTTP", variable_buf, &variable_len)) { - efree(variable_buf); - return; - } - } else { - return; - } - } - variable = php_strtok_r(variable_buf, "\r\n", &strtok_buf); - while (variable) { - char *colon = strchr(variable, ':'); - - if (colon) { - char *value = colon+1; - - while (*value==' ') { - value++; - } - *colon = 0; - php_register_variable(variable, value, track_vars_array ELS_CC PLS_CC); - *colon = ':'; - } - variable = php_strtok_r(NULL, "\r\n", &strtok_buf); - } - -#ifdef PHP_WIN32 - { - HSE_URL_MAPEX_INFO humi; - DWORD path_len = 2; - char path[] = "/"; - - if (lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_MAP_URL_TO_PATH_EX, path, &path_len, (LPDWORD) &humi)) { - /* Remove trailing \ */ - if (humi.lpszPath[path_len-2] == '\\') { - humi.lpszPath[path_len-2] = 0; - } - php_register_variable("DOCUMENT_ROOT", humi.lpszPath, track_vars_array ELS_CC PLS_CC); - } - } -#endif - - if (variable_buf!=static_variable_buf) { - efree(variable_buf); - } -} - - -static sapi_module_struct sapi_module = { - "isapi", /* name */ - "ISAPI", /* pretty name */ - - php_isapi_startup, /* startup */ - php_module_shutdown_wrapper, /* shutdown */ - - NULL, /* activate */ - NULL, /* deactivate */ - - sapi_isapi_ub_write, /* unbuffered write */ - NULL, /* flush */ - NULL, /* get uid */ - NULL, /* getenv */ - - php_error, /* error handler */ - - sapi_isapi_header_handler, /* header handler */ - sapi_isapi_send_headers, /* send headers handler */ - NULL, /* send header handler */ - - sapi_isapi_read_post, /* read POST data */ - sapi_isapi_read_cookies, /* read Cookies */ - - sapi_isapi_register_server_variables, /* register server variables */ - NULL, /* Log message */ - - NULL, /* Block interruptions */ - NULL, /* Unblock interruptions */ - - STANDARD_SAPI_MODULE_PROPERTIES -}; - - -BOOL WINAPI GetFilterVersion(PHTTP_FILTER_VERSION pFilterVersion) -{ - bFilterLoaded = 1; - pFilterVersion->dwFilterVersion = HTTP_FILTER_REVISION; - strcpy(pFilterVersion->lpszFilterDesc, sapi_module.pretty_name); - pFilterVersion->dwFlags= (SF_NOTIFY_AUTHENTICATION | SF_NOTIFY_PREPROC_HEADERS); - return TRUE; -} - - -DWORD WINAPI HttpFilterProc(PHTTP_FILTER_CONTEXT pfc, DWORD notificationType, LPVOID pvNotification) -{ - SLS_FETCH(); - - switch (notificationType) { - case SF_NOTIFY_PREPROC_HEADERS: - SG(request_info).auth_user = NULL; - SG(request_info).auth_password = NULL; - break; - case SF_NOTIFY_AUTHENTICATION: { - char *auth_user = ((HTTP_FILTER_AUTHENT *) pvNotification)->pszUser; - char *auth_password = ((HTTP_FILTER_AUTHENT *) pvNotification)->pszPassword; - - if (auth_user && auth_user[0]) { - SG(request_info).auth_user = estrdup(auth_user); - } - if (auth_password && auth_password[0]) { - SG(request_info).auth_password = estrdup(auth_password); - } - return SF_STATUS_REQ_HANDLED_NOTIFICATION; - } - break; - } - return SF_STATUS_REQ_NEXT_NOTIFICATION; -} - - -static void init_request_info(sapi_globals_struct *sapi_globals, LPEXTENSION_CONTROL_BLOCK lpECB) -{ - SG(request_info).request_method = lpECB->lpszMethod; - SG(request_info).query_string = lpECB->lpszQueryString; - SG(request_info).path_translated = lpECB->lpszPathTranslated; - SG(request_info).request_uri = lpECB->lpszPathInfo; - SG(request_info).content_type = lpECB->lpszContentType; - SG(request_info).content_length = lpECB->cbTotalBytes; - SG(sapi_headers).http_response_code = 200; /* I think dwHttpStatusCode is invalid at this stage -RL */ - if (!strcmp(lpECB->lpszMethod, "HEAD")) { - SG(request_info).headers_only = 1; - } else { - SG(request_info).headers_only = 0; - } - if (!bFilterLoaded) { /* we don't have valid ISAPI Filter information */ - SG(request_info).auth_user = SG(request_info).auth_password = NULL; - } -} - - -static void php_isapi_report_exception(char *message, int message_len SLS_DC) -{ - if (!SG(headers_sent)) { - HSE_SEND_HEADER_EX_INFO header_info; - LPEXTENSION_CONTROL_BLOCK lpECB = (LPEXTENSION_CONTROL_BLOCK) SG(server_context); - - header_info.pszStatus = "500 Internal Server Error"; - header_info.cchStatus = strlen(header_info.pszStatus); - header_info.pszHeader = "Content-Type: text/html\r\n\r\n"; - header_info.cchHeader = strlen(header_info.pszHeader); - - lpECB->dwHttpStatusCode = 500; - lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL); - SG(headers_sent)=1; - } - sapi_isapi_ub_write(message, message_len); -} - - -BOOL WINAPI GetExtensionVersion(HSE_VERSION_INFO *pVer) -{ - pVer->dwExtensionVersion = HSE_VERSION; -#ifdef WITH_ZEUS - strncpy( pVer->lpszExtensionDesc, sapi_module.name, HSE_MAX_EXT_DLL_NAME_LEN); -#else - lstrcpyn(pVer->lpszExtensionDesc, sapi_module.name, HSE_MAX_EXT_DLL_NAME_LEN); -#endif - return TRUE; -} - - -static void my_endthread() -{ -#ifdef PHP_WIN32 - if (bTerminateThreadsOnError) { - _endthread(); - } -#endif -} - -#ifdef PHP_WIN32 -/* - ___except can only call a function, so we have to do this - to retrieve the pointer. - */ -BOOL exceptionhandler(LPEXCEPTION_POINTERS *e,LPEXCEPTION_POINTERS ep) -{ - *e=ep; - return TRUE; -} -#endif - -DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB) -{ - zend_file_handle file_handle; - zend_bool stack_overflown=0; - SLS_FETCH(); - CLS_FETCH(); - ELS_FETCH(); - PLS_FETCH(); -#ifdef PHP_WIN32 - LPEXCEPTION_POINTERS e; -#endif - - if (setjmp(EG(bailout))!=0) { - php_request_shutdown(NULL); - return HSE_STATUS_ERROR; - } - - __try { - init_request_info(sapi_globals, lpECB); - SG(server_context) = lpECB; - - file_handle.filename = sapi_globals->request_info.path_translated; - file_handle.free_filename = 0; - file_handle.type = ZEND_HANDLE_FILENAME; - file_handle.opened_path = NULL; - - php_request_startup(CLS_C ELS_CC PLS_CC SLS_CC); - php_execute_script(&file_handle CLS_CC ELS_CC PLS_CC); - if (SG(request_info).cookie_data) { - efree(SG(request_info).cookie_data); - } -#ifdef PHP_WIN32 - } __except(exceptionhandler(&e,GetExceptionInformation())) { -#else - } __except(EXCEPTION_EXECUTE_HANDLER) { -#endif -#ifdef PHP_WIN32 - char buf[1024]; - if (_exception_code()==EXCEPTION_STACK_OVERFLOW) { - LPBYTE lpPage; - static SYSTEM_INFO si; - static MEMORY_BASIC_INFORMATION mi; - static DWORD dwOldProtect; - - GetSystemInfo(&si); - - /* Get page ESP is pointing to */ - _asm mov lpPage, esp; - - /* Get stack allocation base */ - VirtualQuery(lpPage, &mi, sizeof(mi)); - - /* Go to the page below the current page */ - lpPage = (LPBYTE) (mi.BaseAddress) - si.dwPageSize; - - /* Free pages below current page */ - if (!VirtualFree(mi.AllocationBase, (LPBYTE)lpPage - (LPBYTE) mi.AllocationBase, MEM_DECOMMIT)) { - _endthread(); - } - - /* Restore the guard page */ - if (!VirtualProtect(lpPage, si.dwPageSize, PAGE_GUARD | PAGE_READWRITE, &dwOldProtect)) { - _endthread(); - } - - CG(unclean_shutdown)=1; - _snprintf(buf,sizeof(buf)-1,"PHP has encountered a Stack overflow"); - php_isapi_report_exception(buf, strlen(buf) SLS_CC); - } else if (_exception_code()==EXCEPTION_ACCESS_VIOLATION) { - _snprintf(buf,sizeof(buf)-1,"PHP has encountered an Access Violation at %p",e->ExceptionRecord->ExceptionAddress); - php_isapi_report_exception(buf, strlen(buf) SLS_CC); - my_endthread(); - } else { - _snprintf(buf,sizeof(buf)-1,"PHP has encountered an Unhandled Exception Code %d at %p",e->ExceptionRecord->ExceptionCode , e->ExceptionRecord->ExceptionAddress); - php_isapi_report_exception(buf, strlen(buf) SLS_CC); - my_endthread(); - } -#endif - } - __try { - php_request_shutdown(NULL); - } __except(EXCEPTION_EXECUTE_HANDLER) { - my_endthread(); - } - - return HSE_STATUS_SUCCESS; -} - - - -__declspec(dllexport) BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) -{ - switch (fdwReason) { - case DLL_PROCESS_ATTACH: - tsrm_startup(1, 1, 0); - sapi_startup(&sapi_module); - if (sapi_module.startup) { - sapi_module.startup(&sapi_module); - } - break; - case DLL_THREAD_ATTACH: - break; - case DLL_THREAD_DETACH: - ts_free_thread(); - break; - case DLL_PROCESS_DETACH: - if (sapi_module.shutdown) { - sapi_module.shutdown(&sapi_module); - } - tsrm_shutdown(); - break; - } - return TRUE; -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - */ |