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| version 1.110, 2017/02/08 13:05:46 | version 1.130, 2024/11/09 15:38:21 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: IIS extension. | Parser: IIS extension. |
| Copyright (c) 2000-2017 Art. Lebedev Studio (http://www.artlebedev.com) | Copyright (c) 2000-2024 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru> |
| */ | */ |
| volatile const char * IDENT_PARSER3ISAPI_C="$Id$"; | volatile const char * IDENT_PARSER3ISAPI_C="$Id$"; |
| Line 17 volatile const char * IDENT_PARSER3ISAPI | Line 17 volatile const char * IDENT_PARSER3ISAPI |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_version.h" | #include "pa_version.h" |
| #include "pa_socks.h" | |
| #include <windows.h> | #include <windows.h> |
| #include <process.h> | #include <process.h> |
| Line 84 void SAPI::log(SAPI_Info& SAPI_info, con | Line 83 void SAPI::log(SAPI_Info& SAPI_info, con |
| DWORD size=vsnprintf(start, MAX_LOG_STRING-strlen(prefix), fmt, args); | DWORD size=vsnprintf(start, MAX_LOG_STRING-strlen(prefix), fmt, args); |
| size=remove_crlf(start, start+size); | size=remove_crlf(start, start+size); |
| SAPI_info.lpECB->ServerSupportFunction(SAPI_info.lpECB->ConnID, | SAPI_info.lpECB->ServerSupportFunction(SAPI_info.lpECB->ConnID, HSE_APPEND_LOG_PARAMETER, buf, &size, 0); |
| HSE_APPEND_LOG_PARAMETER, buf, &size, 0); | |
| } | } |
| /// @todo event log | /// @todo event log |
| static void abort(const char* fmt, va_list args) { | void SAPI::die(const char* fmt, ...) { |
| va_list args; | |
| va_start(args, fmt); | |
| if(FILE *log=fopen("c:\\parser3die.log", "at")) { | if(FILE *log=fopen("c:\\parser3die.log", "at")) { |
| vfprintf(log, fmt, args); | vfprintf(log, fmt, args); |
| fclose(log); | fclose(log); |
| } | } |
| // exit & try to produce core dump | // abnormal exit |
| abort(); | abort(); |
| } | |
| void SAPI::die(const char* fmt, ...) { | |
| va_list args; | |
| va_start(args, fmt); | |
| ::abort(fmt, args); | |
| // va_end(args); | // va_end(args); |
| } | } |
| void SAPI::abort(const char* fmt, ...) { | void SAPI::send_error(SAPI_Info& info, const char *exception_cstr, const char *status){ |
| va_list args; | // capitalized headers passed for preventing malloc during capitalization |
| va_start(args, fmt); | add_header_attribute(info, HTTP_STATUS_CAPITALIZED, status); |
| ::abort(fmt, args); | add_header_attribute(info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain"); |
| // va_end(args); | send_header(info); |
| send_body(info, exception_cstr, strlen(exception_cstr)); | |
| } | } |
| char* SAPI::Env::get(SAPI_Info& SAPI_info, const char* name) { | char* SAPI::Env::get(SAPI_Info& SAPI_info, const char* name) { |
| Line 136 char* SAPI::Env::get(SAPI_Info& SAPI_inf | Line 132 char* SAPI::Env::get(SAPI_Info& SAPI_inf |
| return 0; | return 0; |
| } | } |
| bool SAPI::Env::set(SAPI_Info&, const char*, const char*) { | |
| return false; | |
| } | |
| static int grep_char(const char* s, char c) { | static int grep_char(const char* s, char c) { |
| int result=0; | int result=0; |
| if(s) { | if(s) { |
| Line 146 static int grep_char(const char* s, char | Line 146 static int grep_char(const char* s, char |
| } | } |
| return result; | return result; |
| } | } |
| static const char* mk_env_pair(const char* key, const char* value) { | |
| char *result=new(PointerFreeGC) char[strlen(key)+1/*=*/+strlen(value)+1/*0*/]; | |
| strcpy(result, key); strcat(result, "="); strcat(result, value); | |
| return result; | |
| } | |
| const char* const *SAPI::Env::get(SAPI_Info& info) { | const char* const *SAPI::Env::get(SAPI_Info& info) { |
| // we know this buf is writable | // we know this buf is writable |
| char* all_http_vars=SAPI::Env::get(info, "ALL_HTTP"); | char* all_http_vars=SAPI::Env::get(info, "ALL_HTTP"); |
| Line 163 const char* const *SAPI::Env::get(SAPI_I | Line 159 const char* const *SAPI::Env::get(SAPI_I |
| for(int i=0; i<IIS51var_count; i++) { | for(int i=0; i<IIS51var_count; i++) { |
| const char* key=IIS51vars[i]; | const char* key=IIS51vars[i]; |
| if(const char* value=SAPI::Env::get(info, key)) | if(const char* value=SAPI::Env::get(info, key)) |
| *cur++=mk_env_pair(key, value); | *cur++=pa_strcat(key, "=", value); |
| } | } |
| // HTTP_* vars | // HTTP_* vars |
| if(char *s=all_http_vars) { | if(char *s=all_http_vars) { |
| while(char *key=lsplit(&s, '\n')) | while(char *key=lsplit(&s, '\n')) |
| if(char *value=lsplit(key, ':')) | if(char *value=lsplit(key, ':')) |
| *cur++=mk_env_pair(key, value); | *cur++=pa_strcat(key, "=", value); |
| } | } |
| // mark EOE | // mark EOE |
| *cur=0; | *cur=0; |
| return result; | return result; |
| } | } |
| Line 207 size_t SAPI::read_post(SAPI_Info& SAPI_i | Line 203 size_t SAPI::read_post(SAPI_Info& SAPI_i |
| return total_read; | return total_read; |
| } | } |
| void SAPI::add_header_attribute(SAPI_Info& SAPI_info, | void SAPI::add_header_attribute(SAPI_Info& SAPI_info, const char* dont_store_key, const char* dont_store_value) { |
| const char* dont_store_key, const char* dont_store_value) { | if(strcasecmp(dont_store_key, "location")==0) |
| if(strcasecmp(dont_store_key, "location")==0) | |
| SAPI_info.http_response_code=302; | SAPI_info.http_response_code=302; |
| if(strcasecmp(dont_store_key, HTTP_STATUS)==0) | if(strcasecmp(dont_store_key, HTTP_STATUS)==0) |
| SAPI_info.http_response_code=atoi(dont_store_value); | SAPI_info.http_response_code=atoi(dont_store_value); |
| else | else |
| (*SAPI_info.header) << capitalize(dont_store_key) << ": " << pa_strdup(dont_store_value) << "\r\n"; | (*SAPI_info.header) << capitalize(dont_store_key) << ": " << pa_strdup(dont_store_value) << "\r\n"; |
| Line 267 static bool parser_init() { | Line 262 static bool parser_init() { |
| globals_inited=true; | globals_inited=true; |
| try { | try { |
| // init socks | // init libraries |
| pa_socks_init(); | |
| // init global variables | |
| pa_globals_init(); | pa_globals_init(); |
| // successful finish | // successful finish |
| return true; | return true; |
| } catch(.../*const Exception& e*/) { // global problem | } catch(.../*const Exception& e*/) { // global problem |
| //const char* body=e.comment(); | |
| // unsuccessful finish | // unsuccessful finish |
| return false; | return false; |
| } | } |
| } | } |
| static void parser_done() { | static void parser_done() { |
| // finalize global variables | // finalize libraries |
| pa_globals_done(); | pa_globals_done(); |
| // | |
| pa_socks_done(); | |
| } | } |
| /// ISAPI // | /// ISAPI // |
| BOOL WINAPI GetExtensionVersion(HSE_VERSION_INFO *pVer) { | BOOL WINAPI GetExtensionVersion(HSE_VERSION_INFO *pVer) { |
| pVer->dwExtensionVersion = HSE_VERSION; | pVer->dwExtensionVersion = HSE_VERSION; |
| strncpy(pVer->lpszExtensionDesc, "Parser "PARSER_VERSION, HSE_MAX_EXT_DLL_NAME_LEN-1); | pa_strncpy(pVer->lpszExtensionDesc, "Parser " PARSER_VERSION, HSE_MAX_EXT_DLL_NAME_LEN); |
| pVer->lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN-1]=0; | |
| return parser_init(); | return parser_init(); |
| } | } |
| // dwFlags & HSE_TERM_MUST_UNLOAD means we can't return false | // dwFlags & HSE_TERM_MUST_UNLOAD means we can't return false |
| Line 320 BOOL WINAPI TerminateExtension( | Line 306 BOOL WINAPI TerminateExtension( |
| */ | */ |
| void real_parser_handler(SAPI_Info& SAPI_info, bool header_only) { | void real_parser_handler(SAPI_Info& SAPI_info, bool header_only) { |
| // collect garbage from prev request | // collect garbage from prev request |
| #ifndef PA_DEBUG_DISABLE_GC | pa_gc_collect(); |
| { | |
| int saved=GC_dont_gc; | |
| GC_dont_gc=0; | |
| GC_gcollect(); | |
| GC_dont_gc=saved; | |
| } | |
| #endif | |
| SAPI_info.header=new String; | SAPI_info.header=new String; |
| LPEXTENSION_CONTROL_BLOCK lpECB=SAPI_info.lpECB; | LPEXTENSION_CONTROL_BLOCK lpECB=SAPI_info.lpECB; |
| Line 335 void real_parser_handler(SAPI_Info& SAPI | Line 314 void real_parser_handler(SAPI_Info& SAPI |
| // Request info | // Request info |
| Request_info request_info; memset(&request_info, 0, sizeof(request_info)); | Request_info request_info; memset(&request_info, 0, sizeof(request_info)); |
| size_t path_translated_buf_size=strlen(lpECB->lpszPathTranslated)+1; | char *filespec_to_process=pa_strdup(lpECB->lpszPathTranslated); |
| char *filespec_to_process=pa_strdup(lpECB->lpszPathTranslated, path_translated_buf_size); | |
| #ifdef WIN32 | #ifdef WIN32 |
| back_slashes_to_slashes(filespec_to_process); | back_slashes_to_slashes(filespec_to_process); |
| #endif | #endif |
| Line 344 void real_parser_handler(SAPI_Info& SAPI | Line 322 void real_parser_handler(SAPI_Info& SAPI |
| if(const char* path_info=SAPI::Env::get(SAPI_info, "PATH_INFO")) { | if(const char* path_info=SAPI::Env::get(SAPI_info, "PATH_INFO")) { |
| // IIS | // IIS |
| size_t len=strlen(filespec_to_process)-strlen(path_info); | size_t len=strlen(filespec_to_process)-strlen(path_info); |
| char *buf=new(PointerFreeGC) char[len+1]; | char *buf=new(PointerFreeGC) char[len]; |
| strncpy(buf, filespec_to_process, len); buf[len]=0; | pa_strncpy(buf, filespec_to_process, len); |
| request_info.document_root=buf; | request_info.document_root=buf; |
| } else | } else |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "ISAPI: no PATH_INFO defined (in reinventing DOCUMENT_ROOT)"); |
| 0, | |
| "ISAPI: no PATH_INFO defined (in reinventing DOCUMENT_ROOT)"); | |
| request_info.path_translated=filespec_to_process; | request_info.path_translated=filespec_to_process; |
| request_info.method=lpECB->lpszMethod; | request_info.method=lpECB->lpszMethod; |
| request_info.query_string=lpECB->lpszQueryString; | request_info.query_string=lpECB->lpszQueryString; |
| if(lpECB->lpszQueryString && *lpECB->lpszQueryString) { | request_info.uri=lpECB->lpszQueryString && *lpECB->lpszQueryString ? pa_strcat(lpECB->lpszPathInfo, "?", lpECB->lpszQueryString) : lpECB->lpszPathInfo; |
| char *reconstructed_uri=new(PointerFreeGC) char[ | |
| 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_type=lpECB->lpszContentType; |
| request_info.content_length=lpECB->cbTotalBytes; | request_info.content_length=lpECB->cbTotalBytes; |
| request_info.cookie=SAPI::Env::get(SAPI_info, "HTTP_COOKIE"); | request_info.cookie=SAPI::Env::get(SAPI_info, "HTTP_COOKIE"); |
| request_info.mail_received=false; | request_info.mail_received=false; |
| // prepare to process request | // prepare to process request |
| Request request(SAPI_info, | Request request(SAPI_info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); |
| request_info, | |
| String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); | |
| // beside by binary | // beside by binary |
| static char beside_binary_path[MAX_STRING]; | static char beside_binary_path[MAX_STRING]; |
| strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary | pa_strncpy(beside_binary_path, argv0, MAX_STRING); // filespec of my binary |
| if(!( | if(!(rsplit(beside_binary_path, '/') || rsplit(beside_binary_path, '\\'))) { // strip filename |
| rsplit(beside_binary_path, '/') || | |
| rsplit(beside_binary_path, '\\'))) { // strip filename | |
| // no path, just filename | // no path, just filename |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | beside_binary_path[0]='.'; beside_binary_path[1]=0; |
| } | } |
| char config_filespec[MAX_STRING]; | char config_filespec[MAX_STRING]; |
| snprintf(config_filespec, MAX_STRING, | snprintf(config_filespec, MAX_STRING, "%s/%s", beside_binary_path, AUTO_FILE_NAME); |
| "%s/%s", | |
| beside_binary_path, AUTO_FILE_NAME); | |
| bool fail_on_config_read_problem=entry_exists(config_filespec); | |
| // process the request | // process the request |
| request.core( | request.core(entry_exists(config_filespec) ? config_filespec : NULL, header_only); |
| config_filespec, fail_on_config_read_problem, // /path/to/first/auto.p | |
| header_only); | |
| } | } |
| #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| static const Exception | static const Exception call_real_parser_handler__do_PEH_return_it(SAPI_Info& SAPI_info, bool header_only) { |
| call_real_parser_handler__do_PEH_return_it( | |
| SAPI_Info& SAPI_info, bool header_only) | |
| { | |
| try { | try { |
| real_parser_handler(SAPI_info, header_only); | real_parser_handler(SAPI_info, header_only); |
| } catch(const Exception& e) { | } catch(const Exception& e) { |
| Line 410 call_real_parser_handler__do_PEH_return_ | Line 364 call_real_parser_handler__do_PEH_return_ |
| return Exception(); | return Exception(); |
| } | } |
| static void call_real_parser_handler__supress_system_exception( | |
| SAPI_Info& SAPI_info, bool header_only) | static void call_real_parser_handler__supress_system_exception(SAPI_Info& SAPI_info, bool header_only) { |
| { | |
| Exception parser_exception; | Exception parser_exception; |
| LPEXCEPTION_POINTERS system_exception=0; | LPEXCEPTION_POINTERS system_exception=0; |
| __try { | __try { |
| parser_exception=call_real_parser_handler__do_PEH_return_it( | parser_exception=call_real_parser_handler__do_PEH_return_it(SAPI_info, header_only); |
| SAPI_info, header_only); | } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) { |
| } __except ( | |
| (system_exception=GetExceptionInformation()), | |
| EXCEPTION_EXECUTE_HANDLER) | |
| { | |
| if(system_exception) | if(system_exception) |
| if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) | if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) |
| throw Exception("system", | throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); |
| 0, | |
| "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | |
| else | else |
| throw Exception("system", | throw Exception("system", 0, "<no exception record>"); |
| 0, | |
| "<no exception record>"); | |
| else | else |
| throw Exception("system", | throw Exception("system", 0, "<no exception information>"); |
| 0, | |
| "<no exception information>"); | |
| } | } |
| if(parser_exception) | if(parser_exception) |
| Line 461 DWORD WINAPI HttpExtensionProc(LPEXTENSI | Line 403 DWORD WINAPI HttpExtensionProc(LPEXTENSI |
| #endif | #endif |
| SAPI_info, header_only); | SAPI_info, header_only); |
| // successful finish | // successful finish |
| } catch(const Exception& e) { // global problem | } catch(const Exception& e) { // exception in unhandled exception |
| // don't allocate anything on pool here: | |
| // possible pool' exception not catch-ed now | |
| // and there could be out-of-memory exception | |
| const char* body=e.comment(); | |
| // log it | // log it |
| SAPI::log(SAPI_info, "exception in request exception handler: %s", body); | SAPI::log(SAPI_info, "%s", e.comment()); |
| // | |
| 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, | |
| HTTP_CONTENT_TYPE_CAPITALIZED ": text/plain\r\n" | |
| HTTP_CONTENT_LENGTH_CAPITALIZED ": %u\r\n" | |
| // "expires: Fri, 23 Mar 2001 09:32:23 GMT\r\n" | |
| "\r\n", | |
| content_length); | |
| HSE_SEND_HEADER_EX_INFO header_info; | HSE_SEND_HEADER_EX_INFO header_info; |
| header_info.pszStatus="200 OK"; | header_info.pszStatus="200 OK"; |
| header_info.cchStatus=strlen(header_info.pszStatus); | header_info.cchStatus=strlen(header_info.pszStatus); |
| header_info.pszHeader=header_buf; | header_info.pszHeader=HTTP_CONTENT_TYPE_CAPITALIZED ": text/plain\r\n\r\n"; |
| header_info.cchHeader=header_len; | header_info.cchHeader=strlen(header_info.pszHeader); |
| header_info.fKeepConn=true; | header_info.fKeepConn=true; |
| // send header | // send header |
| lpECB->dwHttpStatusCode=200; | lpECB->dwHttpStatusCode=200; |
| lpECB->ServerSupportFunction(lpECB->ConnID, | lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL); |
| HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL); | |
| // send body | // send body |
| if(!header_only) | if(!header_only) |
| SAPI::send_body(SAPI_info, body, content_length); | SAPI::send_body(SAPI_info, e.comment(), strlen(e.comment())); |
| // unsuccessful finish | // unsuccessful finish |
| } | } |
| /* | |
| 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, | |
| HTTP_CONTENT_TYPE_CAPITALIZED ": text/plain\r\n" | |
| HTTP_CONTENT_LENGTH_CAPITALIZED ": %u\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; |
| } | } |