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| version 1.46, 2001/09/26 15:43:59 | version 1.67, 2002/03/27 15:30:38 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: IIS extension. | Parser: IIS extension. |
| Copyright (c) 2000,2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2000,2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | $Id$ |
| */ | */ |
| Line 13 | Line 13 |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include <windows.h> | |
| #include <process.h> | |
| #include <httpext.h> | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| Line 25 | Line 20 |
| #include "pool_storage.h" | #include "pool_storage.h" |
| #include "pa_socks.h" | #include "pa_socks.h" |
| #include <windows.h> | |
| #include <process.h> | |
| #include <new.h> | |
| #include <httpext.h> | |
| #define MAX_STATUS_LENGTH sizeof("xxxx LONGEST STATUS DESCRIPTION") | #define MAX_STATUS_LENGTH sizeof("xxxx LONGEST STATUS DESCRIPTION") |
| // consts | // consts |
| Line 49 const char **RCSIds[]={ | Line 50 const char **RCSIds[]={ |
| 0 | 0 |
| }; | }; |
| // globals | |
| char argv0[MAX_STRING]=""; | |
| // SAPI | // SAPI |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 65 struct SAPI_func_context { | Line 70 struct SAPI_func_context { |
| // 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, ...) { | |
| if(FILE *log=fopen("c:\\die.log", "at")) { | |
| va_list args; | |
| va_start(args,fmt); | |
| vfprintf(log, fmt, args); | |
| fclose(log); | |
| } | |
| 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 102 const char *SAPI::get_env(Pool& pool, co | Line 120 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 132 size_t SAPI::read_post(Pool& pool, char | Line 150 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 149 void SAPI::add_header_attribute(Pool& po | Line 167 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( | |
| "expires: Fri, 23 Mar 2001 09:32:23 GMT\r\n" | |
| "\r\n"); | |
| HSE_SEND_HEADER_EX_INFO header_info; | HSE_SEND_HEADER_EX_INFO header_info; |
| char status_buf[MAX_STATUS_LENGTH]; | char status_buf[MAX_STATUS_LENGTH]; |
| Line 174 void SAPI::send_header(Pool& pool) { | Line 189 void SAPI::send_header(Pool& pool) { |
| break; | break; |
| } | } |
| header_info.cchStatus=strlen(header_info.pszStatus); | header_info.cchStatus=strlen(header_info.pszStatus); |
| *ctx.header << "\r\n"; // ISAPI v<5 did quite well without it | |
| header_info.pszHeader=ctx.header->cstr(); | header_info.pszHeader=ctx.header->cstr(); |
| header_info.cchHeader=ctx.header->size(); | header_info.cchHeader=ctx.header->size(); |
| header_info.fKeepConn=true; | header_info.fKeepConn=true; |
| Line 185 void SAPI::send_header(Pool& pool) { | Line 201 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 194 void SAPI::send_body(Pool& pool, const v | Line 210 void SAPI::send_body(Pool& pool, const v |
| // | // |
| int failed_new(size_t size) { | |
| SAPI::die("out of memory in 'new', failed to allocated %u bytes", size); | |
| return 0; // not reached | |
| } | |
| static bool parser_init() { | static bool parser_init() { |
| static bool globals_inited=false; | static bool globals_inited=false; |
| if(globals_inited) | if(globals_inited) |
| return true; | return true; |
| globals_inited=true; | globals_inited=true; |
| static Pool pool(0); // global pool | _set_new_handler(failed_new); |
| PTRY { | |
| static Pool_storage pool_storage; | |
| static Pool pool(&pool_storage); // global pool | |
| try { | |
| // init socks | // init socks |
| init_socks(pool); | init_socks(pool); |
| // init global classes | // init global classes |
| init_methoded_array(pool); | init_methoded_array(pool); |
| // init global variables | // init global variables |
| pa_globals_init(pool); | pa_globals_init(pool); |
| // 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 240 BOOL WINAPI GetExtensionVersion(HSE_VERS | Line 262 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("parser.runtime", | |
| 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_HTML|String::UL_OPTIMIZE_BIT, | |
| 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); | |
| // beside by binary | |
| static char site_config_path[MAX_STRING]; | |
| strncpy(site_config_path, argv0, MAX_STRING-1); site_config_path[MAX_STRING-1]=0; // filespec of my binary | |
| if(!( | |
| rsplit(site_config_path, '/') || | |
| rsplit(site_config_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| site_config_path[0]='.'; site_config_path[1]=0; | |
| } | |
| char site_config_filespec[MAX_STRING]; | |
| snprintf(site_config_filespec, MAX_STRING, | |
| "%s/%s", | |
| site_config_path, CONFIG_FILE_NAME); | |
| // process the request | |
| request.core( | |
| root_config_filespec, false /*don't fail_on_read_problem*/, // /path/to/root/parser3.conf | |
| site_config_filespec, false /*don't fail_on_read_problem*/, // /path/to/site/parser3.conf | |
| 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, | |
| "Exception 0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | |
| else | |
| throw Exception(0, 0, "Exception <no exception record>"); | |
| else | |
| throw Exception(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 248 DWORD WINAPI HttpExtensionProc(LPEXTENSI | Line 381 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; | bool header_only=strcasecmp(lpECB->lpszMethod, "HEAD")==0; |
| PTRY { // global try | try { // global try |
| ctx.header=new(pool) String(pool); | call_real_parser_handler__do_SEH(pool, lpECB, header_only); |
| // Request info | |
| Request::Info request_info; | |
| size_t path_translated_buf_size=strlen(lpECB->lpszPathTranslated)+1; | |
| char *filespec_to_process=(char *)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 | |
| 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"); | |
| // prepare to process request | |
| Request request(pool, | |
| request_info, | |
| String::UL_USER_HTML | |
| ); | |
| // 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); | |
| // 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 357 DWORD WINAPI HttpExtensionProc(LPEXTENSI | Line 425 DWORD WINAPI HttpExtensionProc(LPEXTENSI |
| // unsuccessful finish | // unsuccessful finish |
| } | } |
| PEND_CATCH | /* |
| const char *body="test"; | |
| // | |
| int content_length=strlen(body); | |
| // prepare header // not using SAPI func wich allocates on pool | |
| char header_buf[MAX_STRING]; | |
| int header_len=snprintf(header_buf, MAX_STRING, | |
| "content-type: text/plain\r\n" | |
| "content-length: %lu\r\n" | |
| "expires: Fri, 23 Mar 2001 09:32:23 GMT\r\n" | |
| "\r\n", | |
| content_length); | |
| HSE_SEND_HEADER_EX_INFO header_info; | |
| header_info.pszStatus="200 OK"; | |
| header_info.cchStatus=strlen(header_info.pszStatus); | |
| header_info.pszHeader=header_buf; | |
| header_info.cchHeader=header_len; | |
| header_info.fKeepConn=true; | |
| // send header | |
| lpECB->dwHttpStatusCode=200; | |
| lpECB->ServerSupportFunction(lpECB->ConnID, | |
| HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL); | |
| // send body | |
| DWORD num_bytes=content_length; | |
| lpECB->WriteClient(lpECB->ConnID, | |
| (void *)body, &num_bytes, HSE_IO_SYNC); | |
| */ | |
| return HSE_STATUS_SUCCESS_AND_KEEP_CONN; | return HSE_STATUS_SUCCESS_AND_KEEP_CONN; |
| } | } |
| BOOL WINAPI DllMain( | |
| HINSTANCE hinstDLL, // handle to the DLL module | |
| DWORD fdwReason, // reason for calling function | |
| LPVOID lpvReserved // reserved | |
| ) { | |
| GetModuleFileName( | |
| hinstDLL, // handle to module | |
| argv0, // file name of module | |
| sizeof(argv0) // size of buffer | |
| ); | |
| return TRUE; | |
| } | |