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| version 1.41, 2001/09/15 14:22:47 | version 1.58, 2001/11/08 11:52:34 |
|---|---|
| Line 2 | Line 2 |
| Parser: IIS extension. | Parser: IIS extension. |
| Copyright (c) 2000,2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2000,2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | $Id$ |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #ifndef _MSC_VER | #ifndef _MSC_VER |
| # error compile ISAPI module with MSVC [no urge for now to make it autoconf-ed (PAF)] | # error compile ISAPI module with MSVC [no urge for now to make it autoconf-ed (PAF)] |
| #endif | #endif |
| #include "pa_config_includes.h" | |
| #include <windows.h> | #include <windows.h> |
| #include <process.h> | #include <process.h> |
| Line 23 static const char *RCSId="$Id$"; | Line 25 static const char *RCSId="$Id$"; |
| #include "pool_storage.h" | #include "pool_storage.h" |
| #include "pa_socks.h" | #include "pa_socks.h" |
| #ifdef XML | |
| #include <XalanTransformer/XalanCAPI.h> | |
| #endif | |
| #define MAX_STATUS_LENGTH sizeof("xxxx LONGEST STATUS DESCRIPTION") | #define MAX_STATUS_LENGTH sizeof("xxxx LONGEST STATUS DESCRIPTION") |
| // consts | |
| extern const char *main_RCSIds[]; | |
| #ifdef USE_SMTP | |
| extern const char *smtp_RCSIds[]; | |
| #endif | |
| extern const char *gd_RCSIds[]; | |
| extern const char *classes_RCSIds[]; | |
| extern const char *types_RCSIds[]; | |
| extern const char *parser3isapi_RCSIds[]; | |
| #ifdef XML | |
| extern const char *xalan_patched_RCSIds[]; | |
| #endif | |
| const char **RCSIds[]={ | |
| main_RCSIds, | |
| #ifdef USE_SMTP | |
| smtp_RCSIds, | |
| #endif | |
| gd_RCSIds, | |
| classes_RCSIds, | |
| types_RCSIds, | |
| parser3isapi_RCSIds, | |
| #ifdef XML | |
| xalan_patched_RCSIds, | |
| #endif | |
| 0 | |
| }; | |
| // SAPI | // SAPI |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 39 struct SAPI_func_context { | Line 73 struct SAPI_func_context { |
| }; | }; |
| #endif | #endif |
| #ifdef XML | |
| /** | |
| * Terminate Xalan and Xerces. | |
| * | |
| * Should be called only once per process after deleting all | |
| * instances of XalanTransformer. Once a process has called | |
| * this function, it cannot use the API for the remaining | |
| * lifetime of the process. | |
| this requirement is fullfilled by using Pool::register_cleanup | |
| */ | |
| void callXalanTerminate(void *) { | |
| //_asm int 3; | |
| XalanTerminate(); | |
| } | |
| #endif | |
| // goes to 'cs-uri-query' log file field. webmaster: switch it ON[default OFF]. | // goes to 'cs-uri-query' log file field. webmaster: switch it ON[default OFF]. |
| void SAPI::log(Pool& pool, const char *fmt, ...) { | void SAPI::log(Pool& pool, const char *fmt, ...) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| va_list args; | va_list args; |
| va_start(args,fmt); | va_start(args,fmt); |
| char buf[MAX_STRING]; | char buf[MAX_STRING]; |
| const char *prefix="PARSER_ERROR:"; | const char *prefix="PARSER_ERROR:"; |
| strcpy(buf, prefix); | strcpy(buf, prefix); |
| DWORD size=vsnprintf(buf+strlen(prefix), MAX_STRING-strlen(prefix), fmt, args); | char *start=buf+strlen(prefix); |
| DWORD size=vsnprintf(start, MAX_STRING-strlen(prefix), fmt, args); | |
| remove_crlf(start, start+size); | |
| ctx.lpECB->ServerSupportFunction(ctx.lpECB->ConnID, | ctx.lpECB->ServerSupportFunction(ctx.lpECB->ConnID, |
| HSE_APPEND_LOG_PARAMETER, buf, &size, 0); | HSE_APPEND_LOG_PARAMETER, buf, &size, 0); |
| } | } |
| /// @todo event log | |
| void SAPI::die(const char *fmt, ...) { | |
| exit(1); | |
| } | |
| const char *SAPI::get_env(Pool& pool, const char *name) { | const char *SAPI::get_env(Pool& pool, const char *name) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| char *variable_buf=(char *)pool.malloc(MAX_STRING); | char *variable_buf=(char *)pool.malloc(MAX_STRING); |
| DWORD variable_len = MAX_STRING-1; | DWORD variable_len = MAX_STRING-1; |
| Line 78 const char *SAPI::get_env(Pool& pool, co | Line 137 const char *SAPI::get_env(Pool& pool, co |
| } | } |
| size_t SAPI::read_post(Pool& pool, char *buf, size_t max_bytes) { | size_t SAPI::read_post(Pool& pool, char *buf, size_t max_bytes) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| DWORD read_from_buf=0; | DWORD read_from_buf=0; |
| DWORD read_from_input=0; | DWORD read_from_input=0; |
| Line 108 size_t SAPI::read_post(Pool& pool, char | Line 167 size_t SAPI::read_post(Pool& pool, char |
| } | } |
| void SAPI::add_header_attribute(Pool& pool, const char *key, const char *value) { | void SAPI::add_header_attribute(Pool& pool, const char *key, const char *value) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| if(strcasecmp(key, "location")==0) | if(strcasecmp(key, "location")==0) |
| ctx.http_response_code=302; | ctx.http_response_code=302; |
| Line 125 void SAPI::add_header_attribute(Pool& po | Line 184 void SAPI::add_header_attribute(Pool& po |
| /// @todo intelligent cache-control | /// @todo intelligent cache-control |
| void SAPI::send_header(Pool& pool) { | void SAPI::send_header(Pool& pool) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| ctx.header->APPEND_CONST( | ctx.header->APPEND_CONST( |
| "expires: Fri, 23 Mar 2001 09:32:23 GMT\r\n" | "expires: Fri, 23 Mar 2001 09:32:23 GMT\r\n" |
| Line 161 void SAPI::send_header(Pool& pool) { | Line 220 void SAPI::send_header(Pool& pool) { |
| } | } |
| void SAPI::send_body(Pool& pool, const void *buf, size_t size) { | void SAPI::send_body(Pool& pool, const void *buf, size_t size) { |
| SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.context()); | SAPI_func_context& ctx=*static_cast<SAPI_func_context *>(pool.get_context()); |
| DWORD num_bytes=size; | DWORD num_bytes=size; |
| ctx.lpECB->WriteClient(ctx.lpECB->ConnID, | ctx.lpECB->WriteClient(ctx.lpECB->ConnID, |
| Line 177 static bool parser_init() { | Line 236 static bool parser_init() { |
| globals_inited=true; | globals_inited=true; |
| static Pool pool(0); // global pool | static Pool pool(0); // global pool |
| PTRY { | try { |
| // init socks | // init socks |
| init_socks(pool); | init_socks(pool); |
| #ifdef XML | |
| /** | |
| * Initialize Xerces and Xalan. | |
| * | |
| * Should be called only once per process before making | |
| * any other API calls. | |
| */ | |
| //_asm int 3; | |
| XalanInitialize(); | |
| pool.register_cleanup(callXalanTerminate, 0); | |
| #endif | |
| // init global classes | // init global classes |
| init_methoded_array(pool); | init_methoded_array(pool); |
| // init global variables | // init global variables |
| Line 188 static bool parser_init() { | Line 259 static bool parser_init() { |
| // successful finish | // successful finish |
| return true; | return true; |
| } PCATCH(e) { // global problem | } catch(const Exception& e) { // global problem |
| //const char *body=e.comment(); | const char *body=e.comment(); |
| // unsuccessful finish | // unsuccessful finish |
| return false; | return false; |
| } | } |
| PEND_CATCH | |
| } | } |
| /// ISAPI // | /// ISAPI // |
| Line 216 BOOL WINAPI GetExtensionVersion(HSE_VERS | Line 286 BOOL WINAPI GetExtensionVersion(HSE_VERS |
| @test | @test |
| PARSER_VERSION from outside | PARSER_VERSION from outside |
| */ | */ |
| void real_parser_handler(Pool& pool, LPEXTENSION_CONTROL_BLOCK lpECB, bool header_only) { | |
| static_cast<SAPI_func_context *>(pool.get_context())->header=new(pool) String(pool); | |
| // Request info | |
| Request::Info request_info; | |
| size_t path_translated_buf_size=strlen(lpECB->lpszPathTranslated)+1; | |
| char *filespec_to_process=(char *)pool.malloc(path_translated_buf_size); | |
| memcpy(filespec_to_process, lpECB->lpszPathTranslated, path_translated_buf_size); | |
| #ifdef WIN32 | |
| back_slashes_to_slashes(filespec_to_process); | |
| #endif | |
| if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) { | |
| // IIS | |
| size_t len=strlen(filespec_to_process)-strlen(path_info); | |
| char *buf=(char *)pool.malloc(len+1); | |
| strncpy(buf, filespec_to_process, len); buf[len]=0; | |
| request_info.document_root=buf; | |
| } else | |
| throw Exception(0, 0, | |
| 0, | |
| "ISAPI: no PATH_INFO defined (in reinventing DOCUMENT_ROOT)"); | |
| request_info.path_translated=filespec_to_process; | |
| request_info.method=lpECB->lpszMethod; | |
| request_info.query_string=lpECB->lpszQueryString; | |
| if(lpECB->lpszQueryString && *lpECB->lpszQueryString) { | |
| char *reconstructed_uri=(char *)pool.malloc( | |
| strlen(lpECB->lpszPathInfo)+1/*'?'*/+ | |
| strlen(lpECB->lpszQueryString)+1/*0*/); | |
| strcpy(reconstructed_uri, lpECB->lpszPathInfo); | |
| strcat(reconstructed_uri, "?"); | |
| strcat(reconstructed_uri, lpECB->lpszQueryString); | |
| request_info.uri=reconstructed_uri; | |
| } else | |
| request_info.uri=lpECB->lpszPathInfo; | |
| request_info.content_type=lpECB->lpszContentType; | |
| request_info.content_length=lpECB->cbTotalBytes; | |
| request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); | |
| request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); | |
| // prepare to process request | |
| Request request(pool, | |
| request_info, | |
| String::UL_USER_HTML, | |
| false /* status_allowed */); | |
| // some root-controlled location | |
| // c:\windows | |
| char root_config_path[MAX_STRING]; | |
| GetWindowsDirectory(root_config_path, MAX_STRING); | |
| // must be dynamic: rethrowing from request.core | |
| // may return 'source' which can be inside of 'root auto.p@exeception' | |
| char *root_config_filespec=(char *)pool.malloc(MAX_STRING); | |
| snprintf(root_config_filespec, MAX_STRING, | |
| "%s/%s", | |
| root_config_path, CONFIG_FILE_NAME); | |
| // process the request | |
| request.core( | |
| root_config_filespec, false/*may be abcent*/, // /path/to/admin/auto.p | |
| 0/*parser_site_auto_path*/, false, // /path/to/site/auto.p | |
| header_only); | |
| } | |
| void call_real_parser_handler__do_SEH(Pool& pool, | |
| LPEXTENSION_CONTROL_BLOCK lpECB, | |
| bool header_only) { | |
| #if _MSC_VER & !defined(_DEBUG) | |
| LPEXCEPTION_POINTERS system_exception=0; | |
| __try { | |
| #endif | |
| real_parser_handler(pool, lpECB, header_only); | |
| #if _MSC_VER & !defined(_DEBUG) | |
| } __except ( | |
| (system_exception=GetExceptionInformation()), | |
| EXCEPTION_EXECUTE_HANDLER) { | |
| if(system_exception) | |
| if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) | |
| throw Exception(0, 0, | |
| 0, | |
| "Exception 0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | |
| else | |
| throw Exception(0, 0, 0, "Exception <no exception record>"); | |
| else | |
| throw Exception(0, 0, 0, "Exception <no exception information>"); | |
| } | |
| #endif | |
| } | |
| DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB) { | DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB) { |
| Pool_storage pool_storage; | Pool_storage pool_storage; |
| Pool pool(&pool_storage); // no allocations until assigned context [for reporting] | Pool pool(&pool_storage); // no allocations until assigned context [for reporting] |
| Line 224 DWORD WINAPI HttpExtensionProc(LPEXTENSI | Line 391 DWORD WINAPI HttpExtensionProc(LPEXTENSI |
| 0, // filling later: so that if there would be error pool would have ctx | 0, // filling later: so that if there would be error pool would have ctx |
| 200 // default http_response_code | 200 // default http_response_code |
| }; | }; |
| _asm nop; // int 3; | |
| pool.set_context(&ctx);// no allocations before this line! | pool.set_context(&ctx);// no allocations before this line! |
| bool header_only=strcasecmp(lpECB->lpszMethod, "HEAD")==0; | #ifdef XML |
| PTRY { // global try | /** |
| ctx.header=new(pool) String(pool); | * Initialize Xerces and Xalan. |
| * | |
| // Request info | * Should be called only once per process before making |
| Request::Info request_info; | * any other API calls. |
| */ | |
| size_t path_translated_buf_size=strlen(lpECB->lpszPathTranslated)+1; | //_asm int 3; |
| char *filespec_to_process=(char *)malloc(path_translated_buf_size); | XalanInitialize(); |
| memcpy(filespec_to_process, lpECB->lpszPathTranslated, path_translated_buf_size); | pool.register_cleanup(callXalanTerminate, 0); |
| #ifdef WIN32 | |
| back_slashes_to_slashes(filespec_to_process); | |
| #endif | #endif |
| if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) { | |
| // IIS | |
| size_t len=strlen(filespec_to_process)-strlen(path_info); | |
| char *buf=(char *)pool.malloc(len+1); | |
| strncpy(buf, filespec_to_process, len); buf[len]=0; | |
| request_info.document_root=buf; | |
| } else | |
| PTHROW(0, 0, | |
| 0, | |
| "ISAPI: no PATH_INFO defined (in reinventing DOCUMENT_ROOT)"); | |
| request_info.path_translated=filespec_to_process; | |
| request_info.method=lpECB->lpszMethod; | |
| request_info.query_string=lpECB->lpszQueryString; | |
| if(lpECB->lpszQueryString && *lpECB->lpszQueryString) { | |
| char *reconstructed_uri=(char *)malloc( | |
| strlen(lpECB->lpszPathInfo)+1/*'?'*/+ | |
| strlen(lpECB->lpszQueryString)+1/*0*/); | |
| strcpy(reconstructed_uri, lpECB->lpszPathInfo); | |
| strcat(reconstructed_uri, "?"); | |
| strcat(reconstructed_uri, lpECB->lpszQueryString); | |
| request_info.uri=reconstructed_uri; | |
| } else | |
| request_info.uri=lpECB->lpszPathInfo; | |
| request_info.content_type=lpECB->lpszContentType; | |
| request_info.content_length=lpECB->cbTotalBytes; | |
| request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); | |
| request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); | |
| bool header_only=strcasecmp(lpECB->lpszMethod, "HEAD")==0; | |
| // prepare to process request | try { // global try |
| Request request(pool, | call_real_parser_handler__do_SEH(pool, lpECB, header_only); |
| request_info, | |
| String::UL_USER_HTML | |
| ); | |
| // some root-controlled location | |
| // c:\windows | |
| // must be dynamic: rethrowing from request.core | |
| // may return 'source' which can be inside of 'root auto.p@exeception' | |
| char *root_auto_path=(char *)pool.malloc(MAX_STRING); | |
| GetWindowsDirectory(root_auto_path, MAX_STRING); | |
| // process the request | |
| request.core( | |
| root_auto_path, false/*may be abcent*/, // /path/to/admin/auto.p | |
| 0/*parser_site_auto_path*/, false, // /path/to/site/auto.p | |
| header_only); | |
| // successful finish | // successful finish |
| } PCATCH(e) { // global problem | } catch(const Exception& e) { // global problem |
| // don't allocate anything on pool here: | // don't allocate anything on pool here: |
| // possible pool' exception not catch-ed now | // possible pool' exception not catch-ed now |
| // and there could be out-of-memory exception | // and there could be out-of-memory exception |
| Line 329 DWORD WINAPI HttpExtensionProc(LPEXTENSI | Line 448 DWORD WINAPI HttpExtensionProc(LPEXTENSI |
| // unsuccessful finish | // unsuccessful finish |
| } | } |
| PEND_CATCH | |
| return HSE_STATUS_SUCCESS_AND_KEEP_CONN; | return HSE_STATUS_SUCCESS_AND_KEEP_CONN; |
| } | } |