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| version 1.233, 2004/11/09 11:34:06 | version 1.288, 2020/08/12 22:00:12 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: scripting and CGI main. | Parser: scripting and CGI main. |
| Copyright(c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_PARSER3_C="$Date$"; | volatile const char * IDENT_PARSER3_C="$Id$"; |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #if _MSC_VER | |
| # include <crtdbg.h> | |
| #endif | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "classes.h" | #include "classes.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_socks.h" | |
| #include "pa_version.h" | #include "pa_version.h" |
| #include "pa_vconsole.h" | |
| #ifdef WIN32 | #ifdef _MSC_VER |
| # include <windows.h> | #include <crtdbg.h> |
| # include "getopt.h" | #include <windows.h> |
| #else | #include <direct.h> |
| # include <getopt.h> | |
| #endif | #endif |
| // defines | // defines |
| // comment remove me after debugging | // comment remove me after debugging |
| #define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser3.log" | //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log" |
| #if _MSC_VER && !defined(_DEBUG) | #if defined(_MSC_VER) && !defined(_DEBUG) |
| # define PA_SUPPRESS_SYSTEM_EXCEPTION | # define PA_SUPPRESS_SYSTEM_EXCEPTION |
| #endif | #endif |
| //#define DEBUG_MAILRECEIVE "mailreceive.eml" | |
| // consts | // consts |
| #define REDIRECT_PREFIX "REDIRECT_" | #define REDIRECT_PREFIX "REDIRECT_" |
| Line 45 static const char * const IDENT_PARSER3_ | Line 38 static const char * const IDENT_PARSER3_ |
| #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" | #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" |
| /// IIS refuses to read bigger chunks | /// IIS refuses to read bigger chunks |
| const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M | const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M |
| static const char* argv0; | |
| static const char* config_filespec_cstr=0; | static const char* config_filespec_cstr=0; |
| static bool fail_on_config_read_problem=true; | |
| static int args_skip=1; | |
| static char** argv_all = NULL; | |
| static bool cgi; ///< we were started as CGI? | static bool cgi; ///< we were started as CGI? |
| static bool mail_received=false; ///< we were started with -m option? [asked to parse incoming message to $mail:received] | static bool mail_received=false; ///< we were started with -m option? [asked to parse incoming message to $mail:received] |
| Line 61 bool execution_canceled=false; | Line 55 bool execution_canceled=false; |
| // SAPI | // SAPI |
| class SAPI_Info{} SAPI_info; | class SAPI_Info { |
| public: | |
| int http_response_code; | |
| } SAPI_info = { 0 }; | |
| static void log(const char* fmt, va_list args) { | static void log(const char* fmt, va_list args) { |
| bool opened=false; | bool opened=false; |
| Line 74 static void log(const char* fmt, va_list | Line 71 static void log(const char* fmt, va_list |
| f=fopen(log_by_env, "at"); | f=fopen(log_by_env, "at"); |
| opened=f!=0; | opened=f!=0; |
| } | } |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at"); | f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at"); |
| opened=f!=0; | opened=f!=0; |
| #endif | #endif |
| Line 82 static void log(const char* fmt, va_list | Line 79 static void log(const char* fmt, va_list |
| if(!opened && config_filespec_cstr) { | if(!opened && config_filespec_cstr) { |
| char beside_config_path[MAX_STRING]; | char beside_config_path[MAX_STRING]; |
| strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0; | strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0; |
| if(!( | if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename |
| rsplit(beside_config_path, '/') || | |
| rsplit(beside_config_path, '\\'))) { // strip filename | |
| // no path, just filename | // no path, just filename |
| beside_config_path[0]='.'; beside_config_path[1]=0; | beside_config_path[0]='.'; beside_config_path[1]=0; |
| } | } |
| char file_spec[MAX_STRING]; | char file_spec[MAX_STRING]; |
| snprintf(file_spec, MAX_STRING, | snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path); |
| "%s/parser3.log", beside_config_path); | |
| f=fopen(file_spec, "at"); | f=fopen(file_spec, "at"); |
| opened=f!=0; | opened=f!=0; |
| } | } |
| Line 106 static void log(const char* fmt, va_list | Line 100 static void log(const char* fmt, va_list |
| time_t t=time(0); | time_t t=time(0); |
| if(const char* stamp=ctime(&t)) { // never saw that | if(const char* stamp=ctime(&t)) { // never saw that |
| if(size_t len=strlen(stamp)) // saw once stamp being ="" | if(size_t len=strlen(stamp)) // saw once stamp being ="" |
| fprintf(f, "[%.*s] [%u] ", len-1, stamp, | fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)getpid() ); |
| getpid() | |
| ); | |
| } | } |
| // message | // message |
| char buf[MAX_STRING]; | char buf[MAX_LOG_STRING]; |
| size_t size=vsnprintf(buf, MAX_STRING, fmt, args); | size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args); |
| remove_crlf(buf, buf+size); | size=remove_crlf(buf, buf+size); |
| fwrite(buf, size, 1, f); | fwrite(buf, size, 1, f); |
| if(request_info) | |
| fprintf(f, " [uri=%s, method=%s, cl=%lu]", | |
| request_info->uri ? request_info->uri : "<unknown>", | |
| request_info->method ? request_info->method : "<unknown>", | |
| request_info->content_length); | |
| else | |
| fputs(" [no request info]", f); | |
| // newline | // newline |
| fprintf(f, "\n"); | fputs("\n", f); |
| if(opened) | if(opened) |
| fclose(f); | fclose(f); |
| else | else |
| fflush(f); | fflush(f); |
| } | } |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| static void log(const char* fmt, ...) { | static void log(const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args,fmt); | va_start(args,fmt); |
| log(fmt, args); | log(fmt, args); |
| va_end(args); | va_end(args); |
| } | } |
| #endif | |
| // appends to parser3.log located beside my binary if openable, to stderr otherwize | // appends to parser3.log located beside my binary if openable, to stderr otherwize |
| void SAPI::log(SAPI_Info&, const char* fmt, ...) { | void SAPI::log(SAPI_Info&, const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args,fmt); | va_start(args,fmt); |
| ::log(fmt, args); | ::log(fmt, args); |
| va_end(args); | va_end(args); |
| } | } |
| static void die_or_abort(const char* fmt, va_list args, bool write_core) { | static void die_or_abort(const char* fmt, va_list args, bool write_core) { |
| // log | |
| // logging is more important than user | |
| // she can cancel download, we'd get SIGPIPE, | |
| // nothing would be logged then | |
| ::log(fmt, args); | |
| // inform user | // inform user |
| char body[MAX_STRING]; | char body[MAX_STRING]; |
| Line 155 static void die_or_abort(const char* fmt | Line 151 static void die_or_abort(const char* fmt |
| // prepare header | // prepare header |
| // let's be honest, that's bad we couldn't produce valid output | // let's be honest, that's bad we couldn't produce valid output |
| SAPI::add_header_attribute(SAPI_info, "status", "500"); | // capitalized headers passed for preventing malloc during capitalization |
| SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain"); | SAPI::add_header_attribute(SAPI_info, HTTP_STATUS_CAPITALIZED, "500"); |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain"); | |
| // don't use 'format' function because it calls malloc | |
| char content_length_cstr[MAX_NUMBER]; | char content_length_cstr[MAX_NUMBER]; |
| snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length); | snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length); |
| SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr); | SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr); |
| // send header | // send header |
| SAPI::send_header(SAPI_info); | SAPI::send_header(SAPI_info); |
| Line 169 static void die_or_abort(const char* fmt | Line 167 static void die_or_abort(const char* fmt |
| // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version] | // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version] |
| if(write_core) { | if(write_core) { |
| #if defined(WIN32) && !defined(_DEBUG) | #ifdef WIN32 |
| // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" | // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" |
| exit(1); | exit(1); |
| #else | #else |
| #if _MSC_VER | |
| _asm int 3; | |
| #endif | |
| abort(); | abort(); |
| #endif | #endif |
| } | } else |
| else | |
| exit(1); | exit(1); |
| } | } |
| void SAPI::die(const char* fmt, ...) { | void SAPI::die(const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args, fmt); | |
| die_or_abort(fmt, args, false/*write core?*/); | // logging first, can't log inside die_or_abort due to vsnprintf (bug #106) |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | va_end(args); |
| va_start(args, fmt); | |
| die_or_abort(fmt, args, false /*write core?*/); | |
| // va_end(args); | |
| } | } |
| void SAPI::abort(const char* fmt, ...) { | void SAPI::abort(const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args, fmt); | |
| die_or_abort(fmt, args, true/*write core?*/); | // logging first, can't log inside die_or_abort due to vsnprintf (bug #106) |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | va_end(args); |
| va_start(args, fmt); | |
| die_or_abort(fmt, args, true /*write core?*/); | |
| // va_end(args); | |
| } | } |
| char* SAPI::get_env(SAPI_Info& , const char* name) { | char* SAPI::Env::get(SAPI_Info& , const char* name) { |
| if(char *local=getenv(name)) | if(char *local=getenv(name)) |
| return pa_strdup(local); | return pa_strdup(local); |
| else | else |
| return 0; | return 0; |
| } | } |
| const char* const *SAPI::environment(SAPI_Info&) { | const char* const *SAPI::Env::get(SAPI_Info&) { |
| #ifdef _MSC_VER | #ifdef _MSC_VER |
| extern char **_environ; | extern char **_environ; |
| return _environ; | return _environ; |
| Line 217 const char* const *SAPI::environment(SAP | Line 223 const char* const *SAPI::environment(SAP |
| size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) { | size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) { |
| size_t read_size=0; | size_t read_size=0; |
| do { | do { |
| ssize_t chunk_size=read(fileno(stdin), | ssize_t chunk_size=read(fileno(stdin), buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size)); |
| buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size)); | |
| if(chunk_size<=0) | if(chunk_size<=0) |
| break; | break; |
| read_size+=chunk_size; | read_size+=chunk_size; |
| Line 228 size_t SAPI::read_post(SAPI_Info& , char | Line 233 size_t SAPI::read_post(SAPI_Info& , char |
| } | } |
| void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) { | void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) { |
| if(cgi) | if(strcasecmp(dont_store_key, HTTP_STATUS)==0) |
| printf("%s: %s\n", dont_store_key, dont_store_value); | SAPI_info.http_response_code=atoi(dont_store_value); |
| if( cgi && (!request || !request->console.was_used()) ) | |
| printf("%s: %s\n", capitalize(dont_store_key), dont_store_value); | |
| } | } |
| /// @todo intelligent cache-control | |
| void SAPI::send_header(SAPI_Info& ) { | void SAPI::send_header(SAPI_Info& ) { |
| if(cgi) { | if(cgi) { |
| // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); | |
| // header | body delimiter | |
| puts(""); | puts(""); |
| } | } |
| } | } |
| Line 246 size_t SAPI::send_body(SAPI_Info& , cons | Line 249 size_t SAPI::send_body(SAPI_Info& , cons |
| return stdout_write(buf, size); | return stdout_write(buf, size); |
| } | } |
| // | |
| static void full_file_spec(const char* file_name, char *buf, size_t buf_size) { | static void full_file_spec(const char* file_name, char *buf, size_t buf_size) { |
| if(file_name) | if(file_name) |
| if(file_name[0]=='/' | if(file_name[0]=='/' |
| #ifdef WIN32 | #ifdef WIN32 |
| || file_name[0] && file_name[1]==':' | || file_name[0] && file_name[1]==':' |
| #endif | #endif |
| ) | ){ |
| strncpy(buf, file_name, buf_size); | strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0; |
| else { | } else { |
| char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); | char cwd[MAX_STRING]; |
| snprintf(buf, buf_size, "%s/%s", cwd, file_name); | snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name); |
| } | } |
| else | else |
| buf[0]=0; | buf[0]=0; |
| Line 269 static void full_file_spec(const char* f | Line 270 static void full_file_spec(const char* f |
| static void log_signal(const char* signal_name) { | static void log_signal(const char* signal_name) { |
| if(request_info) | if(request_info) |
| SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u", | SAPI::log(SAPI_info, "%s received while %s.", signal_name, request ? "executing code" : "reading data"); |
| signal_name, | |
| request?"executing code":"reading data", | |
| request_info->uri, | |
| request_info->method, | |
| request_info->content_length); | |
| else | else |
| SAPI::log(SAPI_info, "%s received before or after processing request", | SAPI::log(SAPI_info, "%s received before or after processing request", signal_name); |
| signal_name); | |
| } | } |
| #ifdef SIGUSR1 | #ifdef SIGUSR1 |
| Line 287 static void SIGUSR1_handler(int /*sig*/) | Line 282 static void SIGUSR1_handler(int /*sig*/) |
| #endif | #endif |
| #ifdef SIGPIPE | #ifdef SIGPIPE |
| #define SIGPIPE_NAME "SIGPIPE" | |
| static const String sigpipe_name(SIGPIPE_NAME); | |
| static void SIGPIPE_handler(int /*sig*/){ | static void SIGPIPE_handler(int /*sig*/){ |
| log_signal("SIGPIPE"); | Value* sigpipe=0; |
| if(request) | |
| sigpipe=request->main_class.get_element(sigpipe_name); | |
| if(sigpipe && sigpipe->as_bool()) | |
| log_signal(SIGPIPE_NAME); | |
| execution_canceled=true; | execution_canceled=true; |
| if(request) | if(request) |
| request->set_interrupted(true); | request->set_skip(Request::SKIP_INTERRUPTED); |
| } | } |
| #endif | #endif |
| Line 302 const char* maybe_reconstruct_IIS_status | Line 304 const char* maybe_reconstruct_IIS_status |
| // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser | // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser |
| // and can consider that as an indication that this is IIS way to report errors | // and can consider that as an indication that this is IIS way to report errors |
| if(original | if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){ |
| && isdigit((unsigned char)original[0]) | |
| && isdigit((unsigned char)original[1]) | |
| && isdigit((unsigned char)original[2]) | |
| && original[3]==';') | |
| { | |
| size_t original_len=strlen(original); | size_t original_len=strlen(original); |
| char* reconstructed=new(PointerFreeGC) char[original_len | char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1]; |
| +12/*IIS-STATUS=&*/ | |
| +14/*IIS-DOCUMENT=&*/ | |
| +1]; | |
| char* cur=reconstructed; | char* cur=reconstructed; |
| memcpy(cur, "IIS-STATUS=", 11); cur+=11; | memcpy(cur, "IIS-STATUS=", 11); cur+=11; |
| memcpy(cur, original, 3); cur+=3; | memcpy(cur, original, 3); cur+=3; |
| Line 321 const char* maybe_reconstruct_IIS_status | Line 315 const char* maybe_reconstruct_IIS_status |
| const char* qmark_at=strchr(original, '?'); | const char* qmark_at=strchr(original, '?'); |
| memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13; | memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13; |
| { | { |
| size_t value_len=(qmark_at? qmark_at-original: original_len)-4; | size_t value_len=(qmark_at ? qmark_at-original : original_len)-4; |
| memcpy(cur, original+4, value_len); cur+=value_len; | memcpy(cur, original+4, value_len); cur+=value_len; |
| } | } |
| Line 336 const char* maybe_reconstruct_IIS_status | Line 330 const char* maybe_reconstruct_IIS_status |
| return original; | return original; |
| } | } |
| #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s) | |
| #else | |
| #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s | |
| #endif | #endif |
| class RequestController { | |
| public: | |
| RequestController(Request* r){ | |
| ::request=r; | |
| } | |
| ~RequestController(){ | |
| ::request=0; | |
| } | |
| }; | |
| static bool locate_config(){ | |
| if(!config_filespec_cstr) { | |
| config_filespec_cstr=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec_cstr) | |
| config_filespec_cstr=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec_cstr){ | |
| // beside by binary | |
| char beside_binary_path[MAX_STRING]; | |
| strncpy(beside_binary_path, argv_all[0], MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary | |
| if(!(rsplit(beside_binary_path, '/') || rsplit(beside_binary_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| // @todo full path, not ./! | |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | |
| } | |
| char config_filespec_buf[MAX_STRING]; | |
| snprintf(config_filespec_buf, MAX_STRING, "%s/%s", beside_binary_path, AUTO_FILE_NAME); | |
| config_filespec_cstr=pa_strdup(config_filespec_buf); | |
| return entry_exists(config_filespec_cstr); | |
| } | |
| } | |
| return true; | |
| } | |
| /** | /** |
| main workhorse | main workhorse |
| @todo | @todo |
| IIS: remove trailing default-document[index.html] from $request.uri. | IIS: remove trailing default-document[index.html] from $request.uri. |
| to do that we need to consult metabase, | to do that we need to consult metabase, |
| wich is tested but seems slow. | wich is tested but seems slow. |
| */ | */ |
| static void real_parser_handler(const char* filespec_to_process, | static void real_parser_handler(const char* filespec_to_process, const char* request_method, bool header_only) { |
| const char* request_method, bool header_only) | |
| { | |
| // init socks | |
| pa_socks_init(); | |
| // init global variables | // init libraries |
| pa_globals_init(); | pa_globals_init(); |
| if(!filespec_to_process || !*filespec_to_process) | if(!filespec_to_process || !*filespec_to_process) |
| SAPI::die("Parser/%s" | SAPI::die("Parser/%s", PARSER_VERSION); |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| " with entry/exit tracing" | |
| #endif | |
| , PARSER_VERSION); | |
| // 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)); |
| char document_root_buf[MAX_STRING]; | char document_root_buf[MAX_STRING]; |
| request_info.path_translated = filespec_to_process; | |
| request_info.method = request_method ? request_method : "GET"; | |
| request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING")); | |
| if(cgi) { | if(cgi) { |
| if(const char* env_document_root=getenv("DOCUMENT_ROOT")) | // obligatory |
| request_info.document_root=env_document_root; | |
| else if(const char* path_info=getenv("PATH_INFO")) { | |
| // IIS | |
| size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info)); | |
| memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0; | |
| request_info.document_root=document_root_buf; | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)"); | |
| } else { | |
| full_file_spec("", document_root_buf, sizeof(document_root_buf)); | |
| request_info.document_root=document_root_buf; | |
| } | |
| request_info.path_translated=filespec_to_process; | |
| request_info.method=request_method ? request_method : "GET"; | |
| const char* query_string= | |
| #ifdef WIN32 | |
| maybe_reconstruct_IIS_status_in_qs | |
| #endif | |
| (getenv("QUERY_STRING")); | |
| request_info.query_string=query_string; | |
| if(cgi) { | |
| // few absolute obligatory | |
| const char* path_info=getenv("PATH_INFO"); | const char* path_info=getenv("PATH_INFO"); |
| if(!path_info) | if(!path_info) |
| SAPI::die("CGI: illegal call (missing PATH_INFO)"); | SAPI::die("CGI: illegal call (missing PATH_INFO)"); |
| const char* script_name=getenv("SCRIPT_NAME"); | |
| if(!script_name) | request_info.document_root = getenv("DOCUMENT_ROOT"); |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | if(!request_info.document_root) { |
| // IIS or fcgiwrap minimalistic setup | |
| const char* env_request_uri=getenv("REQUEST_URI"); | ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info); |
| if(env_request_uri) | if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0) |
| request_info.uri=env_request_uri; | SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)"); |
| else | |
| if(query_string) { | char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/]; |
| char* reconstructed_uri=new(PointerFreeGC) char[ | memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0; |
| strlen(path_info)+1/*'?'*/+ | request_info.document_root = document_root; |
| strlen(query_string)+1/*0*/]; | } |
| strcpy(reconstructed_uri, path_info); | |
| strcat(reconstructed_uri, "?"); | |
| strcat(reconstructed_uri, query_string); | |
| request_info.uri=reconstructed_uri; | |
| } else | |
| request_info.uri=path_info; | |
| if(env_request_uri) { // apache & others stuck to standards | request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI")); |
| if(request_info.uri) { // apache & others stuck to standards | |
| // another obligatory | |
| const char* script_name = getenv("SCRIPT_NAME"); | |
| if(!script_name) | |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | |
| /* | /* |
| http://parser3/env.html?123 =OK | http://parser3/env.html?123 =OK |
| $request:uri=/env.html?123 | $request:uri=/env.html?123 |
| REQUEST_URI='/env.html?123' | REQUEST_URI='/env.html?123' |
| SCRIPT_NAME='/cgi-bin/parser3' | SCRIPT_NAME='/cgi-bin/parser3' |
| PATH_INFO='/env.html' | PATH_INFO='/env.html' |
| http://parser3/cgi-bin/parser3/env.html?123 =ERROR | http://parser3/cgi-bin/parser3/env.html?123 =ERROR |
| $request:uri=/cgi-bin/parser3/env.html?123 | $request:uri=/cgi-bin/parser3/env.html?123 |
| REQUEST_URI='/cgi-bin/parser3/env.html?123' | REQUEST_URI='/cgi-bin/parser3/env.html?123' |
| SCRIPT_NAME='/cgi-bin/parser3' | SCRIPT_NAME='/cgi-bin/parser3' |
| PATH_INFO='/env.html' | PATH_INFO='/env.html' |
| */ | */ |
| size_t script_name_len=strlen(script_name); | size_t script_name_len = strlen(script_name); |
| size_t uri_len=strlen(env_request_uri); | size_t uri_len = strlen(request_info.uri); |
| if(strncmp(env_request_uri, script_name, script_name_len)==0 && | if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same |
| script_name_len != uri_len) // under IIS they are the same | |
| SAPI::die("CGI: illegal call (1)"); | SAPI::die("CGI: illegal call (1)"); |
| } else { // seen on IIS5 | } else { // fcgiwrap minimalistic setup |
| /* | |
| http://nestle/env.html?123 =OK | |
| $request:uri=/env.html?123 | |
| REQUEST_URI='' | |
| SCRIPT_NAME='/env.html' | |
| PATH_INFO='/env.html' | |
| http://nestle/cgi-bin/parser3.exe/env.html =ERROR | if(request_info.query_string && *request_info.query_string) { |
| $request:uri=/env.html | char* reconstructed_uri = new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(request_info.query_string) + 1/*0*/]; |
| REQUEST_URI='' | strcpy(reconstructed_uri, path_info); |
| SCRIPT_NAME='/cgi-bin/parser3.exe' | strcat(reconstructed_uri, "?"); |
| PATH_INFO='/env.html' | strcat(reconstructed_uri, request_info.query_string); |
| */ | request_info.uri = reconstructed_uri; |
| if(strcmp(script_name, path_info)!=0) | } else |
| SAPI::die("CGI: illegal call (2)"); | request_info.uri = path_info; |
| } | } |
| } else | } else{ |
| request_info.uri=""; | full_file_spec("", document_root_buf, sizeof(document_root_buf)); |
| request_info.document_root = document_root_buf; | |
| request_info.uri = ""; | |
| } | |
| request_info.content_type=getenv("CONTENT_TYPE"); | request_info.content_type = getenv("CONTENT_TYPE"); |
| const char* content_length=getenv("CONTENT_LENGTH"); | const char* content_length = getenv("CONTENT_LENGTH"); |
| request_info.content_length=(content_length?atoi(content_length):0); | request_info.content_length = content_length ? atoi(content_length) : 0; |
| request_info.cookie=getenv("HTTP_COOKIE"); | request_info.cookie = getenv("HTTP_COOKIE"); |
| request_info.mail_received=mail_received; | request_info.mail_received = mail_received; |
| request_info.argv = argv_all; | |
| request_info.args_skip = args_skip; | |
| // get request_info ptr for signal handlers | // get request_info ptr for signal handlers |
| ::request_info=&request_info; | ::request_info = &request_info; |
| if(execution_canceled) | if(execution_canceled) |
| SAPI::die("Execution canceled"); | SAPI::die("Execution canceled"); |
| Line 475 static void real_parser_handler(const ch | Line 478 static void real_parser_handler(const ch |
| #endif | #endif |
| // prepare to process request | // prepare to process request |
| Request request(SAPI_info, request_info, | Request request(SAPI_info, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS, | { |
| true /* status_allowed */); | // get ::request ptr for signal handlers |
| RequestController rc(&request); | |
| // get request ptr for signal handlers | bool fail_on_config_read_problem=locate_config(); |
| ::request=&request; | // process the request |
| request.core(config_filespec_cstr, fail_on_config_read_problem, header_only); | |
| char config_filespec_buf[MAX_STRING]; | // ::request cleared in RequestController desctructor to prevent signal handlers from accessing invalid memory |
| if(!config_filespec_cstr) { | |
| const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!config_by_env) | |
| config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(config_by_env) | |
| config_filespec_cstr=config_by_env; | |
| else { | |
| // beside by binary | |
| 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 | |
| if(!( | |
| rsplit(beside_binary_path, '/') || | |
| rsplit(beside_binary_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| // @todo full path, not ./! | |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | |
| } | |
| snprintf(config_filespec_buf, MAX_STRING, | |
| "%s/%s", | |
| beside_binary_path, AUTO_FILE_NAME); | |
| config_filespec_cstr=config_filespec_buf; | |
| fail_on_config_read_problem=entry_exists(config_filespec_cstr); | |
| } | |
| } | } |
| // process the request | |
| request.core( | |
| config_filespec_cstr, fail_on_config_read_problem, | |
| header_only); | |
| // no request [prevent signal handlers from accessing invalid memory] | |
| ::request=0; | |
| // finalize global variables | // finalize libraries |
| pa_globals_done(); | pa_globals_done(); |
| // | |
| pa_socks_done(); | |
| } | } |
| #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| static const Exception | static const Exception call_real_parser_handler__do_PEH_return_it(const char* filespec_to_process, const char* request_method, bool header_only){ |
| call_real_parser_handler__do_PEH_return_it( | |
| const char* filespec_to_process, | |
| const char* request_method, bool header_only) | |
| { | |
| try { | try { |
| real_parser_handler( | real_parser_handler(filespec_to_process, request_method, header_only); |
| filespec_to_process, | |
| request_method, header_only); | |
| } catch(const Exception& e) { | } catch(const Exception& e) { |
| return e; | return e; |
| } | } |
| return Exception(); | return Exception(); |
| } | } |
| static void call_real_parser_handler__supress_system_exception( | |
| const char* filespec_to_process, | static void call_real_parser_handler__supress_system_exception(const char* filespec_to_process, const char* request_method, bool header_only){ |
| const char* request_method, 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(filespec_to_process, request_method, header_only); |
| filespec_to_process, | } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) { |
| request_method, header_only); | |
| } __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) |
| throw Exception(parser_exception); | throw Exception(parser_exception); |
| } | } |
| #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception | |
| #else | |
| #define REAL_PARSER_HANDLER real_parser_handler | |
| #endif | #endif |
| static void usage(const char* program) { | static void usage(const char* program) { |
| printf( | printf( |
| "Parser/%s Copyright(c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com)\n" | "Parser/%s\n" |
| "Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)\n" | |
| "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" | "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" |
| "\n" | "\n" |
| "Usage: %s [options] file\n" | "Usage: %s [options] file\n" |
| Line 586 static void usage(const char* program) { | Line 541 static void usage(const char* program) { |
| " -m Parse mail, put received letter to $mail:received\n" | " -m Parse mail, put received letter to $mail:received\n" |
| #endif | #endif |
| " -f config_file Use this config file (/path/to/auto.p)\n" | " -f config_file Use this config file (/path/to/auto.p)\n" |
| " -h Display usage information (this message)\n" | " -h Display usage information (this message)\n", |
| , PARSER_VERSION, | PARSER_VERSION, |
| program); | program); |
| exit(EINVAL); | exit(EINVAL); |
| } | } |
| Line 596 int main(int argc, char *argv[]) { | Line 551 int main(int argc, char *argv[]) { |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: entry"); | log("main: entry"); |
| #endif | #endif |
| //_asm int 3; | |
| GC_java_finalization=0; | |
| #ifndef PA_DEBUG_DISABLE_GC | |
| // Dont collect unless explicitly requested | |
| // this is quicker (~30% ), but less memory-efficient(~8%) | |
| // so deciding for speed | |
| GC_dont_gc=1; | |
| #endif | |
| /* | |
| Array<int> test; | |
| test+=3; | |
| test+=4; | |
| // int a=test.count(); | |
| int i=0; | |
| scanf("%d", &i); | |
| int b=test.get(i); | |
| // int b=test.get(10); | |
| printf("%d", b);//test.count());*/ | |
| #ifdef SIGUSR1 | #ifdef SIGUSR1 |
| if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) | if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) |
| Line 626 int main(int argc, char *argv[]) { | Line 561 int main(int argc, char *argv[]) { |
| SAPI::die("Can not set handler for SIGPIPE"); | SAPI::die("Can not set handler for SIGPIPE"); |
| #endif | #endif |
| argv_all=argv; | |
| #ifdef DEBUG_MAILRECEIVE | |
| if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) { | |
| dup2(fake_in->_file, 0/*STDIN_FILENO*/); | |
| } | |
| #endif | |
| #ifdef _DEBUG | |
| //_crtBreakAlloc=46; | |
| #endif | |
| argv0=argv[0]; | |
| umask(2); | umask(2); |
| // were we started as CGI? | // were we started as CGI? |
| cgi= | cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION"); |
| getenv("SERVER_SOFTWARE") || | |
| getenv("SERVER_NAME") || | |
| getenv("GATEWAY_INTERFACE") || | |
| getenv("REQUEST_METHOD"); | |
| char *raw_filespec_to_process; | char *raw_filespec_to_process; |
| if(cgi) { | if(cgi) { |
| raw_filespec_to_process=getenv("PATH_TRANSLATED"); | raw_filespec_to_process=getenv("PATH_TRANSLATED"); |
| if(raw_filespec_to_process && !*raw_filespec_to_process) | if(raw_filespec_to_process && !*raw_filespec_to_process) |
| raw_filespec_to_process=0; | raw_filespec_to_process=0; |
| } else { | } else { |
| optind = 1; | int optind=1; |
| opterr = 0; | while(optind < argc){ |
| int c; | char *carg = argv[optind]; |
| while((c = getopt(argc, argv, "hf:" | if(carg[0] != '-') |
| #ifdef WITH_MAILRECEIVE | |
| "m" | |
| #endif | |
| )) > 0) { | |
| switch (c) { | |
| case 'h': | |
| usage(argv[0]); | |
| break; | |
| case 'f': | |
| config_filespec_cstr=optarg; | |
| break; | break; |
| for(size_t k = 1; k < strlen(carg); k++){ | |
| char c = carg[k]; | |
| switch (c) { | |
| case 'h': | |
| usage(argv[0]); | |
| break; | |
| case 'f': | |
| if(optind < argc - 1){ | |
| optind++; | |
| config_filespec_cstr=argv[optind]; | |
| } | |
| break; | |
| #ifdef WITH_MAILRECEIVE | #ifdef WITH_MAILRECEIVE |
| case 'm': | case 'm': |
| mail_received=true; | mail_received=true; |
| break; | break; |
| #endif | #endif |
| default: | default: |
| fprintf(stderr, "%s: invalid option '%c'\n", argv[0], optopt); | fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c); |
| usage(argv[0]); | usage(argv[0]); |
| break; | break; |
| } | |
| } | } |
| optind++; | |
| } | } |
| if (optind != argc - 1) { | |
| if (optind > argc - 1) { | |
| fprintf(stderr, "%s: file not specified\n", argv[0]); | fprintf(stderr, "%s: file not specified\n", argv[0]); |
| usage(argv[0]); | usage(argv[0]); |
| } | } |
| raw_filespec_to_process=argv[optind]; | |
| raw_filespec_to_process=argv[optind++]; | args_skip=optind; |
| } | } |
| #ifdef WIN32 | #ifdef _MSC_VER |
| setmode(fileno(stdin), _O_BINARY); | setmode(fileno(stdin), _O_BINARY); |
| setmode(fileno(stdout), _O_BINARY); | setmode(fileno(stdout), _O_BINARY); |
| setmode(fileno(stderr), _O_BINARY); | setmode(fileno(stderr), _O_BINARY); |
| Line 702 int main(int argc, char *argv[]) { | Line 628 int main(int argc, char *argv[]) { |
| // Set flag to the new value | // Set flag to the new value |
| _CrtSetDbgFlag( tmpFlag ); | _CrtSetDbgFlag( tmpFlag ); |
| // _CrtSetBreakAlloc(61); | |
| _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); | _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); |
| _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); | _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); |
| Line 715 int main(int argc, char *argv[]) { | Line 640 int main(int argc, char *argv[]) { |
| bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; | bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; |
| try { // global try | try { // global try |
| #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION | REAL_PARSER_HANDLER(filespec_to_process, request_method, header_only); |
| call_real_parser_handler__supress_system_exception( | |
| #else | |
| real_parser_handler( | |
| #endif | |
| filespec_to_process, | |
| request_method, header_only); | |
| } catch(const Exception& 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 |
| char buf[MAX_STRING]; | char buf[MAX_STRING]; |
| snprintf(buf, MAX_STRING, "Unhandled exception %s", | snprintf(buf, MAX_STRING, "Unhandled exception %s", e.comment()); |
| e.comment()); | |
| // log it | // log it |
| SAPI::log(SAPI_info, "%s", buf); | SAPI::log(SAPI_info, "%s", buf); |
| Line 736 int main(int argc, char *argv[]) { | Line 654 int main(int argc, char *argv[]) { |
| int content_length=strlen(buf); | int content_length=strlen(buf); |
| // prepare header | // prepare header |
| SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain"); | // capitalized headers are used for preventing malloc during capitalization |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain"); | |
| // don't use 'format' function because it calls malloc | |
| char content_length_cstr[MAX_NUMBER]; | char content_length_cstr[MAX_NUMBER]; |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); | snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); |
| SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr); | SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr); |
| // send header | // send header |
| SAPI::send_header(SAPI_info); | SAPI::send_header(SAPI_info); |
| Line 754 int main(int argc, char *argv[]) { | Line 674 int main(int argc, char *argv[]) { |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: successful return"); | log("main: successful return"); |
| #endif | #endif |
| return 0; | return SAPI_info.http_response_code < 100 ? SAPI_info.http_response_code : 0; |
| } | } |