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| version 1.40, 2001/03/23 13:08:12 | version 1.217, 2003/03/21 07:08:28 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: scripting and CGI main. | Parser: scripting and CGI main. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| static const char* IDENT_PARSER3_C="$Date$"; | |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #ifdef WIN32 | #if _MSC_VER |
| # include <windows.h> | # include <new.h> |
| # include <crtdbg.h> | |
| #endif | #endif |
| #include <io.h> | |
| #include <stdlib.h> | |
| #include <stdio.h> | |
| #include <fcntl.h> | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "classes.h" | |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_globals.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_socks.h" | |
| #include "pa_version.h" | |
| Pool pool; // global pool [dont describe to doxygen: it confuses it with param names] | #include "pool_storage.h" |
| bool cgi; ///< we were started as CGI? | |
| #ifdef WIN32 | #ifdef WIN32 |
| /// global system errors into parser exceptions converter | # include <windows.h> |
| static LONG WINAPI TopLevelExceptionFilter (struct _EXCEPTION_POINTERS *ExceptionInfo) { | # include "getopt.h" |
| #else | |
| # include <getopt.h> | |
| #endif | |
| //#define DEBUG_POOL_MALLOC | |
| //#define DEBUG_STRING_APPENDS_VS_EXPANDS | |
| //#define DEBUG_MAILRECEIVE "mailreceive.eml" | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | |
| extern ulong | |
| string_piece_appends, | |
| wcontext_result_size, | |
| total_alloc_size, | |
| string_string_shortcut_economy; | |
| #endif | |
| // consts | |
| #define REDIRECT_PREFIX "REDIRECT_" | |
| #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" | |
| /// IIS refuses to read bigger chunks | |
| const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M | |
| static const char *argv0; | |
| static const char *config_filespec_cstr=0; | |
| static bool fail_on_config_read_problem=true; | |
| static Pool_storage global_pool_storage; ///< global pool storage | |
| static Pool global_pool(&global_pool_storage); ///< global pool | |
| 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] | |
| // for signal handlers | |
| Request *request=0; | |
| // SAPI | |
| static void log(const char *fmt, va_list args) { | |
| bool opened=false; | |
| FILE *f=0; | |
| if(config_filespec_cstr) { | |
| char beside_config_path[MAX_STRING]; | |
| strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0; | |
| if(!( | |
| rsplit(beside_config_path, '/') || | |
| rsplit(beside_config_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| beside_config_path[0]='.'; beside_config_path[1]=0; | |
| } | |
| char file_spec[MAX_STRING]; | |
| snprintf(file_spec, MAX_STRING, | |
| "%s/parser3.log", beside_config_path); | |
| f=fopen(file_spec, "at"); | |
| opened=f!=0; | |
| } | |
| // fallback to stderr | |
| if(!opened) | |
| f=stderr; | |
| // use no memory [so that we could log out-of-memory error] | |
| setbuf(f, 0); // stderr stream is unbuffered by default, but still... | |
| // prefix | |
| time_t t=time(0); | |
| if(const char *stamp=ctime(&t)) { // never saw that | |
| if(size_t len=strlen(stamp)) // saw once stamp being ="" | |
| fprintf(f, "[%.*s] ", len-1, stamp); | |
| } | |
| // message | |
| char buf[MAX_STRING]; | char buf[MAX_STRING]; |
| if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { | size_t size=vsnprintf(buf, MAX_STRING, fmt, args); |
| struct _EXCEPTION_RECORD *er=ExceptionInfo->ExceptionRecord; | remove_crlf(buf, buf+size); |
| snprintf(buf, MAX_STRING, "Exception %#X at %p", | |
| er->ExceptionCode, | |
| er->ExceptionAddress); | |
| } else | |
| strcpy(buf, "Exception <unknown>"); | |
| PTHROW(0, 0, | |
| 0, | |
| buf); | |
| return EXCEPTION_EXECUTE_HANDLER; // never reached | fwrite(buf, size, 1, f); |
| // newline | |
| fprintf(f, "\n"); | |
| if(opened) | |
| fclose(f); | |
| else | |
| fflush(f); | |
| } | } |
| // appends to parser3.log located beside my binary if openable, to stderr otherwize | |
| void SAPI::log(Pool& , const char *fmt, ...) { | |
| va_list args; | |
| va_start(args,fmt); | |
| ::log(fmt, 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 |
| va_list args; | |
| 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); | |
| // inform user | |
| char body[MAX_STRING]; | |
| int content_length=vsnprintf(body, MAX_STRING, fmt, args); | |
| va_end(args); | |
| // prepare header | |
| // let's be honest, that's bad we couldn't produce valid output | |
| SAPI::add_header_attribute(global_pool, "status", "500"); | |
| SAPI::add_header_attribute(global_pool, "content-type", "text/plain"); | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length); | |
| SAPI::add_header_attribute(global_pool, "content-length", content_length_cstr); | |
| // send header | |
| SAPI::send_header(global_pool); | |
| // body | |
| SAPI::send_body(global_pool, body, content_length); | |
| #ifdef WIN32 | #ifdef WIN32 |
| static void fix_slashes(char *s) { | // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" |
| if(s) | exit(1); |
| for(; *s; s++) | #else |
| if(*s=='\\') | // exit & try to produce core dump |
| *s='/'; | abort(); |
| } | |
| #endif | #endif |
| } | |
| const char *SAPI::get_env(Pool& , const char *name) { | |
| return getenv(name); | |
| } | |
| //@{ | const char *const *SAPI::environment(Pool&) { |
| /// SAPI funcs decl | #ifdef _MSC_VER |
| const char *SAPI::get_env(Pool& pool, const char *name) { | extern char **_environ; |
| return getenv(name); | return _environ; |
| #else | |
| extern char **environ; | |
| return environ; | |
| #endif | |
| } | } |
| uint SAPI::read_post(Pool& pool, char *buf, uint max_bytes) { | size_t SAPI::read_post(Pool& , char *buf, size_t max_bytes) { |
| uint read_size=0; | size_t read_size=0; |
| do { | do { |
| int chunk_size=read(fileno(stdin), | ssize_t chunk_size=read(fileno(stdin), |
| buf+read_size, min(0x400*0x400, 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; |
| } while(read_size<max_bytes); | } while(read_size<max_bytes); |
| Line 75 uint SAPI::read_post(Pool& pool, char *b | Line 193 uint SAPI::read_post(Pool& pool, char *b |
| return read_size; | return read_size; |
| } | } |
| void SAPI::add_header_attribute(Pool& pool, const char *key, const char *value) { | void SAPI::add_header_attribute(Pool& , const char *key, const char *value) { |
| if(cgi) | if(cgi) |
| printf("%s: %s\n", key, value); | printf("%s: %s\n", key, value); |
| } | } |
| /// @todo intelligent cache-control | /// @todo intelligent cache-control |
| void SAPI::send_header(Pool& pool) { | void SAPI::send_header(Pool& ) { |
| if(cgi) { | if(cgi) { |
| puts("Expires: Fri, 23 Mar 2001 09:32:23 GMT"); | // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); |
| // header | body delimiter | // header | body delimiter |
| puts(""); | puts(""); |
| } | } |
| } | } |
| void SAPI::send_body(Pool& pool, const char *buf, size_t size) { | void SAPI::send_body(Pool& , const void *buf, size_t size) { |
| stdout_write(buf, size); | stdout_write(buf, size); |
| } | } |
| //@} | |
| /** | |
| main workhorse | |
| @todo | // |
| IIS: remove trailing default-document[index.html] from $request.uri. | |
| to do that we need to consult metabase, | |
| wich is tested but seems slow. | |
| */ | |
| int main(int argc, char *argv[]) { | |
| umask(2); | |
| static void full_file_spec(const char *file_name, char *buf, size_t buf_size) { | |
| if(file_name) | |
| if(file_name[0]=='/' | |
| #ifdef WIN32 | #ifdef WIN32 |
| setmode(fileno(stdin), _O_BINARY); | || file_name[0] && file_name[1]==':' |
| setmode(fileno(stdout), _O_BINARY); | |
| setmode(fileno(stderr), _O_BINARY); | |
| #endif | #endif |
| ) | |
| // were we started as CGI? | strncpy(buf, file_name, buf_size); |
| cgi= | else { |
| getenv("SERVER_SOFTWARE") || | char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); |
| getenv("SERVER_NAME") || | snprintf(buf, buf_size, "%s/%s", cwd, file_name); |
| getenv("GATEWAY_INTERFACE") || | |
| getenv("REQUEST_METHOD"); | |
| if(!cgi) { | |
| if(argc<2) { | |
| char *binary=argv[0]; | |
| printf("Usage: %s <file>\n", binary?binary:"parser3"); | |
| exit(1); | |
| } | } |
| } | else |
| buf[0]=0; | |
| char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; | |
| #ifdef WIN32 | #ifdef WIN32 |
| fix_slashes(filespec_to_process); | back_slashes_to_slashes(buf); |
| #endif | #endif |
| } | |
| const char *request_method=getenv("REQUEST_METHOD"); | static void log_signal(const char *signal_name) { |
| bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; | SAPI::log(global_pool, request? "%s received. uri=%s, qs=%s" |
| PTRY { // global try | :"%s received. no request being processed", |
| // must be first in PTRY{}PCATCH | signal_name, |
| #ifdef WIN32 | request && request->info.uri?request->info.uri:"-", |
| SetUnhandledExceptionFilter(&TopLevelExceptionFilter); | request && request->info.query_string?request->info.query_string:"-"); |
| //TODO: initSocks(); | } |
| #ifdef SIGUSR1 | |
| static void SIGUSR1_handler(int /*sig*/){ | |
| log_signal("SIGUSR1"); | |
| } | |
| #endif | #endif |
| // init global variables | #ifdef SIGPIPE |
| pa_globals_init(pool); | static void SIGPIPE_handler(int /*sig*/){ |
| log_signal("SIGPIPE"); | |
| if(request) | |
| request->interrupt(); | |
| } | |
| #endif | |
| /** | |
| main workhorse | |
| @todo | |
| IIS: remove trailing default-document[index.html] from $request.uri. | |
| to do that we need to consult metabase, | |
| wich is tested but seems slow. | |
| IIS5 todo find out proper 'illegal call' check | |
| */ | |
| static void real_parser_handler( | |
| const char *filespec_to_process, | |
| const char *request_method, bool header_only) { | |
| // init socks | |
| init_socks(global_pool); | |
| // init global classes | |
| init_methoded_array(global_pool); | |
| // init global variables | |
| pa_globals_init(global_pool); | |
| // request pool, must be different ptr from global [used in VStateless_class.add_method] | |
| Pool request_pool(&global_pool_storage); | |
| if(!filespec_to_process) | if(!filespec_to_process || !*filespec_to_process) |
| PTHROW(0, 0, | SAPI::die("Parser/%s", PARSER_VERSION); |
| // Request info | |
| Request::Info request_info; | |
| char document_root_buf[MAX_STRING]; | |
| if(cgi) { | |
| if(const char *env_document_root=SAPI::get_env(request_pool, "DOCUMENT_ROOT")) | |
| request_info.document_root=env_document_root; | |
| else if(const char *path_info=SAPI::get_env(request_pool, "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, | 0, |
| "no file to process"); | "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=SAPI::get_env(request_pool, "QUERY_STRING"); | |
| request_info.query_string=query_string; | |
| if(cgi) { | |
| // few absolute obligatory | |
| const char *path_info=SAPI::get_env(request_pool, "PATH_INFO"); | |
| if(!path_info) | |
| SAPI::die("CGI: illegal call (missing PATH_INFO)"); | |
| const char *script_name=SAPI::get_env(request_pool, "SCRIPT_NAME"); | |
| if(!script_name) | |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | |
| // Request info | const char *env_request_uri=SAPI::get_env(request_pool, "REQUEST_URI"); |
| Request::Info request_info; | if(env_request_uri) |
| if(cgi) { | |
| if(const char *env_document_root=getenv("DOCUMENT_ROOT")) | |
| request_info.document_root=env_document_root; | |
| else if(const char *path_info=getenv("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, | |
| "CGI: no PATH_INFO defined (in reinventing DOCUMENT_ROOT)"); | |
| } else { | |
| static char buf[MAX_STRING]; | |
| strncpy(buf, filespec_to_process, MAX_STRING); | |
| rsplit(buf, '/'); rsplit(buf, '\\');// strip filename | |
| request_info.document_root=buf; | |
| } | |
| request_info.path_translated=filespec_to_process; | |
| request_info.method=request_method; | |
| const char *query_string=getenv("QUERY_STRING"); | |
| request_info.query_string=query_string; | |
| if(const char *env_request_uri=getenv("REQUEST_URI")) | |
| request_info.uri=env_request_uri; | request_info.uri=env_request_uri; |
| else if (const char *path_info=getenv("PATH_INFO")) { | else |
| if(query_string) { | if(query_string) { |
| char *reconstructed_uri=(char *)malloc( | char *reconstructed_uri=(char *)request_pool.malloc( |
| 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); |
| Line 188 int main(int argc, char *argv[]) { | Line 327 int main(int argc, char *argv[]) { |
| request_info.uri=reconstructed_uri; | request_info.uri=reconstructed_uri; |
| } else | } else |
| request_info.uri=path_info; | request_info.uri=path_info; |
| } else | |
| PTHROW(0, 0, | |
| 0, | |
| "CGI: no PATH_INFO defined (in reinventing REQUEST_URI)"); | |
| request_info.content_type=getenv("CONTENT_TYPE"); | if(env_request_uri) { // apache & others stuck to standards |
| const char *content_length=getenv("CONTENT_LENGTH"); | /* |
| request_info.content_length=(content_length?atoi(content_length):0); | http://parser3/env.html?123 =OK |
| request_info.cookie=getenv("HTTP_COOKIE"); | $request:uri=/env.html?123 |
| REQUEST_URI='/env.html?123' | |
| // prepare to process request | SCRIPT_NAME='/cgi-bin/parser3' |
| Request request(pool, | PATH_INFO='/env.html' |
| request_info, | |
| cgi ? String::UL_HTML_TYPO : String::UL_NO | 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' | |
| // some root-controlled location | SCRIPT_NAME='/cgi-bin/parser3' |
| #ifdef WIN32 | PATH_INFO='/env.html' |
| // c:\windows | */ |
| static char root_auto_path[MAX_STRING]; | size_t script_name_len=strlen(script_name); |
| GetWindowsDirectory(root_auto_path, MAX_STRING); | size_t uri_len=strlen(env_request_uri); |
| #else | if(strncmp(env_request_uri, script_name, script_name_len)==0 && |
| // ~nobody todo: figure out a better place | script_name_len != uri_len) // under IIS they are the same |
| char *root_auto_path=getenv("HOME"); | SAPI::die("CGI: illegal call (1)"); |
| } else { // seen on IIS5 | |
| /* | |
| 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 | |
| $request:uri=/env.html | |
| REQUEST_URI='' | |
| SCRIPT_NAME='/cgi-bin/parser3.exe' | |
| PATH_INFO='/env.html' | |
| */ | |
| if(strcmp(script_name, path_info)!=0) | |
| SAPI::die("CGI: illegal call (2)"); | |
| } | |
| } else | |
| request_info.uri=""; | |
| request_info.content_type=SAPI::get_env(request_pool, "CONTENT_TYPE"); | |
| const char *content_length=SAPI::get_env(request_pool, "CONTENT_LENGTH"); | |
| request_info.content_length=(content_length?atoi(content_length):0); | |
| request_info.cookie=SAPI::get_env(request_pool, "HTTP_COOKIE"); | |
| request_info.mail_received=mail_received; | |
| // prepare to process request | |
| Request request(request_pool, | |
| request_info, | |
| /*#ifdef _DEBUG | |
| String::UL_HTML|String::UL_OPTIMIZE_BIT | |
| #else*/ | |
| cgi ? String::UL_HTML|String::UL_OPTIMIZE_BIT : String::UL_AS_IS | |
| /*#endif*/ | |
| , | |
| true /* status_allowed */); | |
| // get request ptr for signal handlers | |
| ::request=&request; | |
| char config_filespec_buf[MAX_STRING]; | |
| 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; | |
| // | |
| done_socks(); | |
| #ifdef DEBUG_POOL_MALLOC | |
| extern void log_pool_stats(Pool& pool); | |
| log_pool_stats(request_pool); | |
| #endif | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | |
| SAPI::log(global_pool, | |
| "string piece appends=%lu, wcontext_result_size=%lu, string_string_shortcut_economy_closer=%lu, total_alloc_size=%lu", | |
| string_piece_appends, | |
| wcontext_result_size, | |
| string_string_shortcut_economy, | |
| total_alloc_size); | |
| #endif | |
| } | |
| static void call_real_parser_handler__do_SEH( | |
| const char *filespec_to_process, | |
| const char *request_method, bool header_only) { | |
| #if _MSC_VER && !defined(_DEBUG) | |
| LPEXCEPTION_POINTERS system_exception=0; | |
| __try { | |
| #endif | #endif |
| real_parser_handler( | |
| filespec_to_process, | |
| request_method, header_only); | |
| // beside by binary | #if _MSC_VER && !defined(_DEBUG) |
| static char site_auto_path[MAX_STRING]; | } __except ( |
| strncpy(site_auto_path, argv[0], MAX_STRING); // filespec of my binary | (system_exception=GetExceptionInformation()), |
| rsplit(site_auto_path, '/'); rsplit(site_auto_path, '\\');// strip filename | EXCEPTION_EXECUTE_HANDLER) { |
| // process the request | if(system_exception) |
| request.core( | if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) |
| root_auto_path, false, | throw Exception(0, |
| site_auto_path, false, | 0, |
| header_only); | "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 | |
| } | |
| #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 | |
| static void failed_new() { | |
| SAPI::die("out of memory in 'new'"); | |
| } | |
| #endif | |
| static void usage(const char *program) { | |
| printf( | |
| "Parser/%s Copyright(c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)\n" | |
| "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" | |
| "\n" | |
| "Usage: %s [options] file\n" | |
| "Options are:\n" | |
| #ifdef WITH_MAILRECEIVE | |
| " -m Parse mail, put received letter to $mail:received\n" | |
| #endif | |
| " -f config_file Use this config file (/path/to/auto.p)\n" | |
| " -h Display usage information (this message)\n" | |
| , PARSER_VERSION, | |
| program); | |
| exit(EINVAL); | |
| } | |
| class C { | |
| public: | |
| C() {} | |
| }; | |
| C *trick() { | |
| return new C; | |
| } | |
| int main(int argc, char *argv[]) { | |
| delete trick(); | |
| #ifdef SIGUSR1 | |
| if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) | |
| SAPI::die("Can not set handler for SIGUSR1"); | |
| #endif | |
| #ifdef SIGPIPE | |
| if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR) | |
| SAPI::die("Can not set handler for SIGPIPE"); | |
| #endif | |
| #ifdef DEBUG_MAILRECEIVE | |
| if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) { | |
| dup2(fake_in->_file, 0/*STDIN_FILENO*/); | |
| } | |
| #endif | |
| #ifdef _DEBUG | |
| // _crtBreakAlloc=33112; | |
| #endif | |
| // _asm int 3; | |
| argv0=argv[0]; | |
| umask(2); | |
| // were we started as CGI? | |
| cgi= | |
| getenv("SERVER_SOFTWARE") || | |
| getenv("SERVER_NAME") || | |
| getenv("GATEWAY_INTERFACE") || | |
| getenv("REQUEST_METHOD"); | |
| char *raw_filespec_to_process; | |
| if(cgi) { | |
| raw_filespec_to_process=getenv("PATH_TRANSLATED"); | |
| if(raw_filespec_to_process && !*raw_filespec_to_process) | |
| raw_filespec_to_process=0; | |
| } else { | |
| optind = 1; | |
| opterr = 0; | |
| int c; | |
| while((c = getopt(argc, argv, "hf:" | |
| #ifdef WITH_MAILRECEIVE | |
| "m" | |
| #endif | |
| )) > 0) { | |
| switch (c) { | |
| case 'h': | |
| usage(argv[0]); | |
| break; | |
| case 'f': | |
| config_filespec_cstr=optarg; | |
| break; | |
| #ifdef WITH_MAILRECEIVE | |
| case 'm': | |
| mail_received=true; | |
| break; | |
| #endif | |
| default: | |
| fprintf(stderr, "%s: invalid option '%c'\n", argv[0], optopt); | |
| usage(argv[0]); | |
| break; | |
| } | |
| } | |
| if (optind != argc - 1) { | |
| fprintf(stderr, "%s: file not specified\n", argv[0]); | |
| usage(argv[0]); | |
| } | |
| raw_filespec_to_process=argv[optind++]; | |
| } | |
| // must be last in PTRY{}PCATCH | |
| #ifdef WIN32 | #ifdef WIN32 |
| SetUnhandledExceptionFilter(0); | setmode(fileno(stdin), _O_BINARY); |
| setmode(fileno(stdout), _O_BINARY); | |
| setmode(fileno(stderr), _O_BINARY); | |
| #endif | #endif |
| // successful finish | |
| return 0; | |
| } PCATCH(e) { // global problem | |
| const char *body=e.comment(); | |
| int content_length=strlen(body); | |
| // prepare header | |
| SAPI::add_header_attribute(pool, "content-type", "text/plain"); | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%lu", content_length); | |
| SAPI::add_header_attribute(pool, "content-length", content_length_cstr); | |
| // send header | |
| SAPI::send_header(pool); | |
| // body | |
| if(!header_only) | |
| SAPI::send_body(pool, body, content_length); | |
| // unsuccessful finish | #if _MSC_VER |
| return 1; | _set_new_handler(failed_new); |
| #ifdef _DEBUG | |
| // Get current flag | |
| int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG ); | |
| // Turn on leak-checking bit | |
| tmpFlag |= _CRTDBG_LEAK_CHECK_DF; | |
| // Set flag to the new value | |
| _CrtSetDbgFlag( tmpFlag ); | |
| // _CrtSetBreakAlloc(471); | |
| #endif | |
| #endif | |
| #ifdef HAVE_SET_NEW_HANDLER | |
| std::set_new_handler(failed_new); | |
| #endif | |
| char filespec_to_process[MAX_STRING]; | |
| full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); | |
| const char *request_method=getenv("REQUEST_METHOD"); | |
| bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; | |
| try { // global try | |
| call_real_parser_handler__do_SEH( | |
| filespec_to_process, | |
| request_method, header_only); | |
| } catch(const Exception& e) { // global problem | |
| // don't allocate anything on pool here: | |
| // possible pool' exception not catch-ed now | |
| // and there could be out-of-memory exception | |
| SAPI::die("exception in request exception handler: %s", e.comment()); | |
| #ifndef _DEBUG | |
| } catch(...) { | |
| SAPI::die("<unknown exception>"); | |
| #endif | |
| } | } |
| PEND_CATCH | |
| //_asm int 3; | |
| return 0; | |
| } | } |