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| version 1.217, 2003/03/21 07:08:28 | version 1.259, 2010/11/22 22:24:23 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: scripting and CGI main. | Parser: scripting and CGI main. |
| Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright(c) 2001-2009 ArtLebedev Group (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* IDENT_PARSER3_C="$Date$"; | static const char * const IDENT_PARSER3_C="$Date$"; |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #if _MSC_VER | #if _MSC_VER |
| # include <new.h> | |
| # include <crtdbg.h> | # include <crtdbg.h> |
| #endif | #endif |
| Line 21 static const char* IDENT_PARSER3_C="$Dat | Line 20 static const char* IDENT_PARSER3_C="$Dat |
| #include "pa_socks.h" | #include "pa_socks.h" |
| #include "pa_version.h" | #include "pa_version.h" |
| #include "pool_storage.h" | |
| #ifdef WIN32 | #ifdef WIN32 |
| # include <windows.h> | # include <windows.h> |
| # include "getopt.h" | |
| #else | |
| # include <getopt.h> | |
| #endif | #endif |
| //#define DEBUG_POOL_MALLOC | // defines |
| //#define DEBUG_STRING_APPENDS_VS_EXPANDS | |
| //#define DEBUG_MAILRECEIVE "mailreceive.eml" | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | // comment remove me after debugging |
| extern ulong | //#define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser\\debug-parser3.log" |
| string_piece_appends, | |
| wcontext_result_size, | #if _MSC_VER && !defined(_DEBUG) |
| total_alloc_size, | # define PA_SUPPRESS_SYSTEM_EXCEPTION |
| string_string_shortcut_economy; | |
| #endif | #endif |
| //#define DEBUG_MAILRECEIVE "mailreceive.eml" | |
| // consts | // consts |
| #define REDIRECT_PREFIX "REDIRECT_" | #define REDIRECT_PREFIX "REDIRECT_" |
| #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" | #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" |
| #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* argv0; |
| static const char *config_filespec_cstr=0; | static const char* config_filespec_cstr=0; |
| static bool fail_on_config_read_problem=true; | static bool fail_on_config_read_problem=true; |
| static Pool_storage global_pool_storage; ///< global pool storage | static int args_skip=1; |
| static Pool global_pool(&global_pool_storage); ///< global pool | 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] |
| // for signal handlers | // for signal handlers |
| Request *request=0; | Request *request=0; |
| Request_info *request_info=0; | |
| bool execution_canceled=false; | |
| // SAPI | // SAPI |
| static void log(const char *fmt, va_list args) { | class SAPI_Info{} SAPI_info; |
| static void log(const char* fmt, va_list args) { | |
| bool opened=false; | bool opened=false; |
| FILE *f=0; | FILE *f=0; |
| if(config_filespec_cstr) { | const char* log_by_env=getenv(PARSER_LOG_ENV_NAME); |
| if(!log_by_env) | |
| log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME); | |
| if(log_by_env) { | |
| f=fopen(log_by_env, "at"); | |
| opened=f!=0; | |
| } | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at"); | |
| opened=f!=0; | |
| #endif | |
| 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(!( |
| Line 93 static void log(const char *fmt, va_list | Line 104 static void log(const char *fmt, va_list |
| // prefix | // prefix |
| 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] ", len-1, stamp); | fprintf(f, "[%.*s] [%u] ", len-1, stamp, |
| (unsigned int)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=%u]", | |
| 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 | |
| // appends to parser3.log located beside my binary if openable, to stderr otherwize | static void log(const char* fmt, ...) { |
| void SAPI::log(Pool& , 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); |
| } | } |
| void SAPI::die(const char *fmt, ...) { | |
| #ifdef DEBUG_POOL_MALLOC | |
| extern void log_pool_stats(Pool& pool); | |
| log_pool_stats(global_pool); | |
| #endif | #endif |
| // appends to parser3.log located beside my binary if openable, to stderr otherwize | |
| void SAPI::log(SAPI_Info&, const char* fmt, ...) { | |
| va_list args; | va_list args; |
| va_start(args,fmt); | va_start(args,fmt); |
| // log | |
| // logging is more important than user | |
| // she can cancel download, we'd get SIGPIPE, | |
| // nothing would be logged then | |
| ::log(fmt, args); | ::log(fmt, args); |
| va_end(args); | |
| } | |
| static void die_or_abort(const char* fmt, va_list args, bool write_core) { | |
| // inform user | // inform user |
| char body[MAX_STRING]; | char body[MAX_STRING]; |
| int content_length=vsnprintf(body, MAX_STRING, fmt, args); | int content_length=vsnprintf(body, MAX_STRING, fmt, args); |
| va_end(args); | |
| // 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(global_pool, "status", "500"); | // capitalized headers passed for preventing malloc during capitalization |
| SAPI::add_header_attribute(global_pool, "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(global_pool, "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(global_pool); | SAPI::send_header(SAPI_info); |
| // body | // body |
| SAPI::send_body(global_pool, body, content_length); | SAPI::send_body(SAPI_info, body, content_length); |
| #ifdef WIN32 | // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version] |
| // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" | if(write_core) { |
| exit(1); | #if defined(WIN32) && !defined(_DEBUG) |
| // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" | |
| exit(1); | |
| #else | #else |
| // exit & try to produce core dump | #if _MSC_VER |
| abort(); | _asm int 3; |
| #endif | #endif |
| abort(); | |
| #endif | |
| } | |
| else | |
| exit(1); | |
| } | } |
| const char *SAPI::get_env(Pool& , const char *name) { | void SAPI::die(const char* fmt, ...) { |
| return getenv(name); | va_list args; |
| // 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_start(args, fmt); | |
| die_or_abort(fmt, args, false /*write core?*/); | |
| // va_end(args); | |
| } | } |
| const char *const *SAPI::environment(Pool&) { | void SAPI::abort(const char* fmt, ...) { |
| va_list args; | |
| // 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_start(args, fmt); | |
| die_or_abort(fmt, args, true /*write core?*/); | |
| // va_end(args); | |
| } | |
| char* SAPI::get_env(SAPI_Info& , const char* name) { | |
| if(char *local=getenv(name)) | |
| return pa_strdup(local); | |
| else | |
| return 0; | |
| } | |
| const char* const *SAPI::environment(SAPI_Info&) { | |
| #ifdef _MSC_VER | #ifdef _MSC_VER |
| extern char **_environ; | extern char **_environ; |
| return _environ; | return _environ; |
| Line 180 const char *const *SAPI::environment(Poo | Line 231 const char *const *SAPI::environment(Poo |
| #endif | #endif |
| } | } |
| size_t SAPI::read_post(Pool& , 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), |
| Line 193 size_t SAPI::read_post(Pool& , char *buf | Line 244 size_t SAPI::read_post(Pool& , char *buf |
| return read_size; | return read_size; |
| } | } |
| void SAPI::add_header_attribute(Pool& , const char *key, const char *value) { | void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) { |
| if(cgi) | if( cgi && (!request || !request->console.was_used()) ) |
| printf("%s: %s\n", key, value); | printf("%s: %s\n", capitalize(dont_store_key), dont_store_value); |
| } | } |
| /// @todo intelligent cache-control | /// @todo intelligent cache-control |
| void SAPI::send_header(Pool& ) { | void SAPI::send_header(SAPI_Info& ) { |
| if(cgi) { | if(cgi) { |
| // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); | // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); |
| Line 208 void SAPI::send_header(Pool& ) { | Line 259 void SAPI::send_header(Pool& ) { |
| } | } |
| } | } |
| void SAPI::send_body(Pool& , const void *buf, size_t size) { | size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) { |
| 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); |
| else { | else { |
| char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); | char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); |
| snprintf(buf, buf_size, "%s/%s", cwd, file_name); | snprintf(buf, buf_size, "%s/%s", cwd, file_name); |
| Line 233 static void full_file_spec(const char *f | Line 284 static void full_file_spec(const char *f |
| #endif | #endif |
| } | } |
| static void log_signal(const char *signal_name) { | static void log_signal(const char* signal_name) { |
| SAPI::log(global_pool, request? "%s received. uri=%s, qs=%s" | if(request_info) |
| :"%s received. no request being processed", | SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u", |
| signal_name, | signal_name, |
| request && request->info.uri?request->info.uri:"-", | request?"executing code":"reading data", |
| request && request->info.query_string?request->info.query_string:"-"); | request_info->uri, |
| request_info->method, | |
| request_info->content_length); | |
| else | |
| SAPI::log(SAPI_info, "%s received before or after processing request", | |
| signal_name); | |
| } | } |
| #ifdef SIGUSR1 | #ifdef SIGUSR1 |
| Line 248 static void SIGUSR1_handler(int /*sig*/) | Line 304 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; | |
| if(request) | if(request) |
| request->interrupt(); | request->set_interrupted(true); |
| } | |
| #endif | |
| #ifdef WIN32 | |
| const char* maybe_reconstruct_IIS_status_in_qs(const char* original) | |
| { | |
| // 404;http://servername/page[?param=value...] | |
| // ';' 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 | |
| if(original | |
| && isdigit((unsigned char)original[0]) | |
| && isdigit((unsigned char)original[1]) | |
| && isdigit((unsigned char)original[2]) | |
| && original[3]==';') | |
| { | |
| size_t original_len=strlen(original); | |
| char* reconstructed=new(PointerFreeGC) char[original_len | |
| +12/*IIS-STATUS=&*/ | |
| +14/*IIS-DOCUMENT=&*/ | |
| +1]; | |
| char* cur=reconstructed; | |
| memcpy(cur, "IIS-STATUS=", 11); cur+=11; | |
| memcpy(cur, original, 3); cur+=3; | |
| *cur++='&'; | |
| const char* qmark_at=strchr(original, '?'); | |
| memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13; | |
| { | |
| size_t value_len=(qmark_at? qmark_at-original: original_len)-4; | |
| memcpy(cur, original+4, value_len); cur+=value_len; | |
| } | |
| if(qmark_at) { | |
| *cur++='&'; | |
| strcpy(cur, qmark_at+1/*skip ? itself*/); | |
| } else | |
| *cur=0; | |
| return reconstructed; | |
| } | |
| return original; | |
| } | } |
| #endif | #endif |
| class RequestController { | |
| public: | |
| RequestController(Request* r){ | |
| ::request=r; | |
| } | |
| ~RequestController(){ | |
| ::request=0; | |
| } | |
| }; | |
| /** | /** |
| main workhorse | main workhorse |
| Line 262 main workhorse | Line 381 main workhorse |
| 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. |
| IIS5 todo find out proper 'illegal call' check | |
| */ | */ |
| static void real_parser_handler( | static void real_parser_handler(const char* filespec_to_process, |
| const char *filespec_to_process, | const char* request_method, bool header_only) |
| const char *request_method, bool header_only) { | { |
| // init socks | // init socks |
| init_socks(global_pool); | pa_socks_init(); |
| // init global classes | |
| init_methoded_array(global_pool); | |
| // init global variables | // init global variables |
| pa_globals_init(global_pool); | pa_globals_init(); |
| // request pool, must be different ptr from global [used in VStateless_class.add_method] | |
| Pool request_pool(&global_pool_storage); | |
| if(!filespec_to_process || !*filespec_to_process) | if(!filespec_to_process || !*filespec_to_process) |
| SAPI::die("Parser/%s", PARSER_VERSION); | SAPI::die("Parser/%s" |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| " with entry/exit tracing" | |
| #endif | |
| , PARSER_VERSION); | |
| // Request info | // Request info |
| Request::Info 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]; |
| if(cgi) { | if(cgi) { |
| if(const char *env_document_root=SAPI::get_env(request_pool, "DOCUMENT_ROOT")) | if(const char* env_document_root=getenv("DOCUMENT_ROOT")) |
| request_info.document_root=env_document_root; | request_info.document_root=env_document_root; |
| else if(const char *path_info=SAPI::get_env(request_pool, "PATH_INFO")) { | else if(const char* path_info=getenv("PATH_INFO")) { |
| // IIS | // IIS |
| size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info)); | 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; | memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0; |
| request_info.document_root=document_root_buf; | request_info.document_root=document_root_buf; |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)"); | "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)"); |
| } else { | } else { |
| Line 302 static void real_parser_handler( | Line 419 static void real_parser_handler( |
| } | } |
| request_info.path_translated=filespec_to_process; | request_info.path_translated=filespec_to_process; |
| request_info.method=request_method ? request_method : "GET"; | request_info.method=request_method ? request_method : "GET"; |
| const char *query_string=SAPI::get_env(request_pool, "QUERY_STRING"); | const char* query_string= |
| #ifdef WIN32 | |
| maybe_reconstruct_IIS_status_in_qs | |
| #endif | |
| (getenv("QUERY_STRING")); | |
| request_info.query_string=query_string; | request_info.query_string=query_string; |
| if(cgi) { | if(cgi) { |
| // few absolute obligatory | // few absolute obligatory |
| const char *path_info=SAPI::get_env(request_pool, "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=SAPI::get_env(request_pool, "SCRIPT_NAME"); | const char* script_name=getenv("SCRIPT_NAME"); |
| if(!script_name) | if(!script_name) |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); |
| const char *env_request_uri=SAPI::get_env(request_pool, "REQUEST_URI"); | const char* env_request_uri=getenv("REQUEST_URI"); |
| if(env_request_uri) | if(env_request_uri) |
| request_info.uri=env_request_uri; | request_info.uri=env_request_uri; |
| else | else |
| if(query_string) { | if(query_string) { |
| char *reconstructed_uri=(char *)request_pool.malloc( | char* reconstructed_uri=new(PointerFreeGC) char[ |
| strlen(path_info)+1/*'?'*/+ | strlen(path_info)+1/*'?'*/+ |
| strlen(query_string)+1/*0*/); | strlen(query_string)+1/*0*/]; |
| strcpy(reconstructed_uri, path_info); | strcpy(reconstructed_uri, path_info); |
| strcat(reconstructed_uri, "?"); | strcat(reconstructed_uri, "?"); |
| strcat(reconstructed_uri, query_string); | strcat(reconstructed_uri, query_string); |
| Line 367 static void real_parser_handler( | Line 488 static void real_parser_handler( |
| } else | } else |
| request_info.uri=""; | request_info.uri=""; |
| request_info.content_type=SAPI::get_env(request_pool, "CONTENT_TYPE"); | request_info.content_type=getenv("CONTENT_TYPE"); |
| const char *content_length=SAPI::get_env(request_pool, "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=SAPI::get_env(request_pool, "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 | |
| ::request_info=&request_info; | |
| if(execution_canceled) | |
| SAPI::die("Execution canceled"); | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u", | |
| request_info.method, | |
| request_info.uri, | |
| request_info.query_string, | |
| request_info.document_root, | |
| request_info.path_translated, | |
| request_info.cookie, | |
| request_info.content_length); | |
| #endif | |
| // prepare to process request | // prepare to process request |
| Request request(request_pool, | Request request(SAPI_info, request_info, |
| request_info, | cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| /*#ifdef _DEBUG | |
| String::UL_HTML|String::UL_OPTIMIZE_BIT | { |
| #else*/ | // get ::request ptr for signal handlers |
| cgi ? String::UL_HTML|String::UL_OPTIMIZE_BIT : String::UL_AS_IS | RequestController rc(&request); |
| /*#endif*/ | |
| , | char config_filespec_buf[MAX_STRING]; |
| true /* status_allowed */); | if(!config_filespec_cstr) { |
| const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME); | |
| // get request ptr for signal handlers | if(!config_by_env) |
| ::request=&request; | config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); |
| if(config_by_env) | |
| char config_filespec_buf[MAX_STRING]; | config_filespec_cstr=config_by_env; |
| if(!config_filespec_cstr) { | else { |
| const char *config_by_env=getenv(PARSER_CONFIG_ENV_NAME); | // beside by binary |
| if(!config_by_env) | char beside_binary_path[MAX_STRING]; |
| config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary |
| if(config_by_env) | if(!( |
| config_filespec_cstr=config_by_env; | rsplit(beside_binary_path, '/') || |
| else { | rsplit(beside_binary_path, '\\'))) { // strip filename |
| // beside by binary | // no path, just filename |
| char beside_binary_path[MAX_STRING]; | // @todo full path, not ./! |
| strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary | beside_binary_path[0]='.'; beside_binary_path[1]=0; |
| if(!( | } |
| rsplit(beside_binary_path, '/') || | snprintf(config_filespec_buf, MAX_STRING, |
| rsplit(beside_binary_path, '\\'))) { // strip filename | "%s/%s", |
| // no path, just filename | beside_binary_path, AUTO_FILE_NAME); |
| // @todo full path, not ./! | config_filespec_cstr=config_filespec_buf; |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | fail_on_config_read_problem=entry_exists(config_filespec_cstr); |
| } | } |
| 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); | |
| // ::request cleared in RequestController desctructor to prevent signal handlers from accessing invalid memory | |
| } | } |
| // process the request | |
| request.core( | |
| config_filespec_cstr, fail_on_config_read_problem, | |
| header_only); | |
| // no request [prevent signal handlers from accessing invalid memory] | // finalize global variables |
| ::request=0; | pa_globals_done(); |
| // | // |
| done_socks(); | pa_socks_done(); |
| } | |
| #ifdef DEBUG_POOL_MALLOC | |
| extern void log_pool_stats(Pool& pool); | |
| log_pool_stats(request_pool); | |
| #endif | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| SAPI::log(global_pool, | static const Exception |
| "string piece appends=%lu, wcontext_result_size=%lu, string_string_shortcut_economy_closer=%lu, total_alloc_size=%lu", | call_real_parser_handler__do_PEH_return_it( |
| string_piece_appends, | const char* filespec_to_process, |
| wcontext_result_size, | const char* request_method, bool header_only) |
| string_string_shortcut_economy, | { |
| total_alloc_size); | try { |
| #endif | real_parser_handler( |
| filespec_to_process, | |
| request_method, header_only); | |
| } catch(const Exception& e) { | |
| return e; | |
| } | |
| return Exception(); | |
| } | } |
| static void call_real_parser_handler__supress_system_exception( | |
| static void call_real_parser_handler__do_SEH( | const char* filespec_to_process, |
| const char *filespec_to_process, | const char* request_method, bool header_only) |
| const char *request_method, bool header_only) { | { |
| #if _MSC_VER && !defined(_DEBUG) | Exception parser_exception; |
| LPEXCEPTION_POINTERS system_exception=0; | LPEXCEPTION_POINTERS system_exception=0; |
| __try { | __try { |
| #endif | parser_exception=call_real_parser_handler__do_PEH_return_it( |
| real_parser_handler( | |
| filespec_to_process, | filespec_to_process, |
| request_method, header_only); | request_method, header_only); |
| #if _MSC_VER && !defined(_DEBUG) | |
| } __except ( | } __except ( |
| (system_exception=GetExceptionInformation()), | (system_exception=GetExceptionInformation()), |
| EXCEPTION_EXECUTE_HANDLER) { | 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(0, | throw Exception("system", |
| 0, | 0, |
| "Exception 0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); |
| else | |
| throw Exception(0, 0, "Exception <no exception record>"); | |
| else | else |
| throw Exception(0, 0, "Exception <no exception information>"); | throw Exception("system", |
| 0, | |
| "<no exception record>"); | |
| else | |
| throw Exception("system", | |
| 0, | |
| "<no exception information>"); | |
| } | } |
| #endif | |
| } | |
| #if _MSC_VER | |
| int failed_new(size_t size) { | |
| SAPI::die("out of memory in 'new', failed to allocated %u bytes", size); | |
| return 0; // not reached | |
| } | |
| #endif | |
| #ifdef HAVE_SET_NEW_HANDLER | if(parser_exception) |
| static void failed_new() { | throw Exception(parser_exception); |
| SAPI::die("out of memory in 'new'"); | |
| } | } |
| #endif | #endif |
| static void usage(const char *program) { | static void usage(const char* program) { |
| printf( | printf( |
| "Parser/%s Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)\n" | "Parser/%s\n" |
| "Copyright(c) 2001-2009 ArtLebedev Group (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 500 static void usage(const char *program) { | Line 632 static void usage(const char *program) { |
| exit(EINVAL); | exit(EINVAL); |
| } | } |
| class C { | |
| public: | |
| C() {} | |
| }; | |
| C *trick() { | |
| return new C; | |
| } | |
| int main(int argc, char *argv[]) { | int main(int argc, char *argv[]) { |
| delete trick(); | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: entry"); | |
| #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 529 int main(int argc, char *argv[]) { | Line 674 int main(int argc, char *argv[]) { |
| #endif | #endif |
| #ifdef _DEBUG | #ifdef _DEBUG |
| // _crtBreakAlloc=33112; | //_crtBreakAlloc=46; |
| #endif | #endif |
| // _asm int 3; | argv_all=argv; |
| argv0=argv[0]; | 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("SERVER_SOFTWARE") || |
| getenv("GATEWAY_INTERFACE") || | getenv("SERVER_NAME") || |
| getenv("REQUEST_METHOD"); | getenv("GATEWAY_INTERFACE") || |
| getenv("REQUEST_METHOD") | |
| ) | |
| && !getenv("PARSER_VERSION"); | |
| char *raw_filespec_to_process; | char *raw_filespec_to_process; |
| if(cgi) { | if(cgi) { |
| Line 549 int main(int argc, char *argv[]) { | Line 697 int main(int argc, char *argv[]) { |
| 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 WIN32 |
| Line 589 int main(int argc, char *argv[]) { | Line 743 int main(int argc, char *argv[]) { |
| setmode(fileno(stderr), _O_BINARY); | setmode(fileno(stderr), _O_BINARY); |
| #endif | #endif |
| #if _MSC_VER | #if defined(_MSC_VER) && defined(_DEBUG) |
| _set_new_handler(failed_new); | |
| #ifdef _DEBUG | |
| // Get current flag | // Get current flag |
| int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG ); | int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG ); |
| Line 601 int main(int argc, char *argv[]) { | Line 752 int main(int argc, char *argv[]) { |
| // Set flag to the new value | // Set flag to the new value |
| _CrtSetDbgFlag( tmpFlag ); | _CrtSetDbgFlag( tmpFlag ); |
| // _CrtSetBreakAlloc(471); | // _CrtSetBreakAlloc(61); |
| #endif | |
| #endif | _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); |
| _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); | |
| #ifdef HAVE_SET_NEW_HANDLER | |
| std::set_new_handler(failed_new); | |
| #endif | #endif |
| char filespec_to_process[MAX_STRING]; | char filespec_to_process[MAX_STRING]; |
| full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); | full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); |
| const char *request_method=getenv("REQUEST_METHOD"); | const char* request_method=getenv("REQUEST_METHOD"); |
| 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 |
| call_real_parser_handler__do_SEH( | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| call_real_parser_handler__supress_system_exception( | |
| #else | |
| real_parser_handler( | |
| #endif | |
| filespec_to_process, | filespec_to_process, |
| request_method, header_only); | 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]; | |
| snprintf(buf, MAX_STRING, "Unhandled exception %s", | |
| e.comment()); | |
| // log it | |
| SAPI::log(SAPI_info, "%s", buf); | |
| // | |
| int content_length=strlen(buf); | |
| // prepare header | |
| // 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]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); | |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr); | |
| // send header | |
| SAPI::send_header(SAPI_info); | |
| // send body | |
| if(!header_only) | |
| SAPI::send_body(SAPI_info, buf, content_length); | |
| SAPI::die("exception in request exception handler: %s", e.comment()); | // unsuccessful finish |
| #ifndef _DEBUG | |
| } catch(...) { | |
| SAPI::die("<unknown exception>"); | |
| #endif | |
| } | } |
| //_asm int 3; | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: successful return"); | |
| #endif | |
| return 0; | return 0; |
| } | } |