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| version 1.9, 2001/03/14 09:12:06 | version 1.326, 2020/12/10 23:04:17 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: scripting and CGI main. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #ifdef HAVE_CONFIG_H | volatile const char * IDENT_PARSER3_C="$Id$"; |
| # include "pa_config.h" | |
| #include "pa_config_includes.h" | |
| #include "pa_sapi.h" | |
| #include "classes.h" | |
| #include "pa_common.h" | |
| #include "pa_request.h" | |
| #include "pa_version.h" | |
| #include "pa_vconsole.h" | |
| #include "pa_sapi_info.h" | |
| #ifdef _MSC_VER | |
| #include <crtdbg.h> | |
| #include <windows.h> | |
| #include <direct.h> | |
| #endif | #endif |
| // defines | |
| #ifdef WIN32 | // comment remove me after debugging |
| # include <windows.h> | //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log" |
| # include <io.h> | |
| #if defined(_MSC_VER) && !defined(_DEBUG) | |
| # define PA_SUPPRESS_SYSTEM_EXCEPTION | |
| #endif | #endif |
| #include <stdlib.h> | |
| #include <stdio.h> | |
| #include <string.h> | |
| #include <fcntl.h> | |
| #include "pa_globals.h" | // consts |
| #include "pa_request.h" | |
| #include "pa_common.h" | #define REDIRECT_PREFIX "REDIRECT_" |
| #include "vform_fields_fill.h" | #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" |
| #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" | |
| static const char* filespec_to_process = 0; // [file] | |
| static const char* httpd_host_port = 0; // -p option | |
| static const char* config_filespec = 0; // -f option or from env or next to the executable if exists | |
| static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received] | |
| static char* parser3_filespec = 0; // argv[0] | |
| static char** argv_extra = NULL; | |
| // for signal handlers | |
| static THREAD_LOCAL Request *request=0; | |
| // for error logging | |
| static THREAD_LOCAL Request_info request_info; // global for correct log() reporting | |
| static const char* filespec_4log = NULL; // null only if system-wide auto.p used | |
| // SAPI | |
| static void log(const char* fmt, va_list args) { | |
| bool opened=false; | |
| FILE *f=0; | |
| 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 | |
| Pool pool; // global pool | if(!opened && filespec_4log) { |
| char beside_config_path[MAX_STRING]; | |
| strncpy(beside_config_path, filespec_4log, 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 | |
| strcpy(beside_config_path, "."); | |
| } | |
| 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] [%u] ", (int)len-1, stamp, (unsigned int)getpid() ); | |
| } | |
| // message | |
| char buf[MAX_LOG_STRING]; | |
| size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args); | |
| size=remove_crlf(buf, buf+size); | |
| fwrite(buf, size, 1, f); | |
| if(request_info.method) { | |
| fprintf(f, " [uri=%s, method=%s, cl=%lu]\n", request_info.uri ? request_info.uri : "<unknown>", request_info.method, (unsigned long)request_info.content_length); | |
| } else | |
| fputs(" [no request info]\n", f); | |
| if(opened) | |
| fclose(f); | |
| else | |
| fflush(f); | |
| } | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| static void log(const char* fmt, ...) { | |
| va_list args; | |
| va_start(args,fmt); | |
| log(fmt, args); | |
| va_end(args); | |
| } | |
| #endif | |
| // appends to parser3.log located next to the config file if openable, to stderr otherwize | |
| void SAPI::log(SAPI_Info&, const char* fmt, ...) { | |
| va_list args; | |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | |
| } | |
| void SAPI::die(const char* fmt, ...) { | |
| va_list args; | |
| // logging first, first vsnprintf | |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | |
| // inform user, second vsnprintf | |
| va_start(args, fmt); | |
| char message[MAX_STRING]; | |
| vsnprintf(message, MAX_STRING, fmt, args); | |
| SAPI::send_error(*sapiInfo, message); | |
| exit(1); | |
| // va_end(args); | |
| } | |
| char* SAPI::Env::get(SAPI_Info& info, const char* name) { | |
| return info.get_env(name); | |
| } | |
| bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) { | |
| return info.set_env(name, value); | |
| } | |
| const char* const *SAPI::Env::get(SAPI_Info& info) { | |
| return info.get_env(); | |
| } | |
| size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) { | |
| return info.read_post(buf, max_bytes); | |
| } | |
| void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) { | |
| info.add_header_attribute(dont_store_key, dont_store_value); | |
| } | |
| void SAPI::send_header(SAPI_Info& info) { | |
| info.send_header(); | |
| } | |
| size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) { | |
| return info.send_body(buf, size); | |
| } | |
| static void full_disk_path(const char* file_name, char *buf, size_t buf_size) { | |
| if(file_name[0]=='/' | |
| #ifdef WIN32 | #ifdef WIN32 |
| # if MSVC | || file_name[0] && file_name[1]==':' |
| // intercept global system errors | #endif |
| LONG WINAPI TopLevelExceptionFilter ( | ){ |
| struct _EXCEPTION_POINTERS *ExceptionInfo | strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0; |
| ) { | } else { |
| char buf[MAX_STRING]; | char cwd[MAX_STRING]; |
| if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { | snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name); |
| struct _EXCEPTION_RECORD *r=ExceptionInfo->ExceptionRecord; | } |
| #ifdef WIN32 | |
| int printed=0; | back_slashes_to_slashes(buf); |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "Exception 0x%X at 0x%p", | #endif |
| r->ExceptionCode, | } |
| r->ExceptionAddress); | |
| for(unsigned int i=0; i<r->NumberParameters; i++) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", 0x%X", | |
| r->ExceptionInformation[i]); | |
| } else | |
| strcpy(buf, "Exception <unknown>"); | |
| PTHROW(0, 0, | |
| 0, | |
| buf); | |
| return EXCEPTION_EXECUTE_HANDLER; // never reached | static void log_signal(const char* signal_name) { |
| SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after"); | |
| } | |
| #ifdef SIGUSR1 | |
| static void SIGUSR1_handler(int /*sig*/){ | |
| log_signal("SIGUSR1"); | |
| } | } |
| # endif | |
| #endif | #endif |
| int main(int argc, char *argv[]) { | #ifdef SIGPIPE |
| // were we started as CGI? | #define SIGPIPE_NAME "SIGPIPE" |
| bool cgi= | static const String sigpipe_name(SIGPIPE_NAME); |
| getenv("SERVER_SOFTWARE") || | static void SIGPIPE_handler(int /*sig*/){ |
| getenv("SERVER_NAME") || | Value* sigpipe=0; |
| getenv("GATEWAY_INTERFACE") || | if(request) |
| getenv("REQUEST_METHOD"); | sigpipe=request->main_class.get_element(sigpipe_name); |
| if(sigpipe && sigpipe->as_bool()) | |
| char *result; char error[MAX_STRING]; error[0]=0; | log_signal(SIGPIPE_NAME); |
| PTRY { // global try | |
| // must be first in PTRY{}PCATCH | if(request) |
| request->set_skip(Request::SKIP_INTERRUPTED); | |
| } | |
| #endif | |
| // requires pa_thread_request() in entry_exists() under Windows | |
| static const char *locate_config(const char *config_filespec_option, const char *executable_path){ | |
| filespec_4log=config_filespec_option; | |
| if(!filespec_4log) | |
| filespec_4log=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!filespec_4log) | |
| filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(!filespec_4log){ | |
| // next to the executable | |
| char *beside_executable_path = pa_strdup(executable_path); | |
| bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\'); | |
| filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME); | |
| if(entry_exists(filespec_4log)) | |
| return filespec_4log; | |
| #ifdef SYSTEM_CONFIG_FILE | |
| if(entry_exists(SYSTEM_CONFIG_FILE)){ | |
| filespec_4log=NULL; | |
| return SYSTEM_CONFIG_FILE; | |
| } | |
| #endif | |
| return NULL; | |
| } | |
| return filespec_4log; | |
| } | |
| #ifdef WIN32 | #ifdef WIN32 |
| # if MSVC | const char* maybe_reconstruct_IIS_status_in_qs(const char* original) { |
| SetUnhandledExceptionFilter(&TopLevelExceptionFilter); | // 404;http://servername/page[?param=value...] |
| //TODO: initSocks(); | // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser |
| # endif | // 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; | |
| } | |
| #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 |
| globals_init(pool); | |
| class RequestController { | |
| // TODO: ifdef WIN32 flip \\ to / | public: |
| const char *document_root="Y:/parser3/src/"; | RequestController(Request* r){ |
| const char *page_filespec="Y:/parser3/src/test.p"; | ::request=r; |
| } | |
| ~RequestController(){ | |
| ::request=0; | |
| } | |
| }; | |
| static void config_handler(SAPI_Info &info) { | |
| char document_root_buf[MAX_STRING]; | |
| full_disk_path("", document_root_buf, sizeof(document_root_buf)); | |
| request_info.document_root = document_root_buf; | |
| request_info.uri = ""; | |
| request_info.argv = argv_extra; | |
| // prepare to process request | |
| Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); | |
| { | |
| // initing ::request ptr for signal handlers | |
| RequestController rc(&r); | |
| // only once | |
| config_filespec = locate_config(config_filespec, parser3_filespec); | |
| // process main auto.p only | |
| r.core(config_filespec, false, String::Empty); | |
| // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory | |
| } | |
| } | |
| static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) { | |
| try { | |
| connection.read_header(); | |
| info.populate_env(); | |
| char document_root_buf[MAX_STRING]; | |
| full_disk_path("", document_root_buf, sizeof(document_root_buf)); | |
| memset(&request_info, 0, sizeof(request_info)); | |
| request_info.document_root = document_root_buf; | |
| request_info.path_translated = filespec_to_process; | |
| request_info.method = connection.method(); | |
| request_info.query_string = connection.query(); | |
| request_info.uri = request_info.strip_absolute_uri(connection.uri()); | |
| request_info.content_type = connection.content_type(); | |
| request_info.content_length = (size_t)connection.content_length(); | |
| request_info.cookie = info.get_env("HTTP_COOKIE"); | |
| request_info.mail_received = false; | |
| request_info.argv = argv_extra; | |
| // prepare to process request | // prepare to process request |
| Request request(Pool(), | Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); |
| cgi ? String::Untaint_lang::HTML_TYPO : String::Untaint_lang::NO, | { |
| document_root, | // initing ::request ptr for signal handlers |
| page_filespec | RequestController rc(&r); |
| ); | // process the request |
| r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main")); | |
| // fill user passed forms | // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory |
| vform_fields_fill(pool, cgi, request.form_class.fields()); | } |
| } catch(const Exception& e) { // exception in connection handling or unhandled exception | |
| // some root-controlled location | SAPI::log(info, "%s", e.comment()); |
| char *sys_auto_path1; | SAPI::send_error(info, e.comment(), info.exception_http_status(e.type())); |
| #ifdef WIN32 | } |
| sys_auto_path1=(char *)pool.malloc(MAX_STRING); | } |
| GetWindowsDirectory(sys_auto_path1, MAX_STRING); | |
| strcat(sys_auto_path1, "\\"); | static void *connection_thread(void *arg){ |
| #else | HTTPD_Connection &connection=*(HTTPD_Connection*)arg; |
| sys_auto_path1=getenv("HOME"); | SAPI_Info_HTTPD info(connection); |
| try { | |
| connection_handler(info, connection); | |
| } catch(const Exception& e) { // exception in send_error | |
| SAPI::log(*sapiInfo, "%s", e.comment()); | |
| } | |
| delete(&connection); | |
| return NULL; | |
| } | |
| static void httpd_mode() { | |
| config_handler(*sapiInfo); | |
| int sock = HTTPD_Server::bind(httpd_host_port); | |
| #if 0 | |
| signal(SIGCHLD, SIG_IGN); | |
| signal(SIGPIPE, SIG_IGN); | |
| // HTTPD_Server::mode = HTTPD_Server::PARALLEL; | |
| // HTTPD_Server::mode = HTTPD_Server::MULTITHREADED; | |
| #endif | #endif |
| while(1){ | |
| pid_t pid=1; | |
| try { | |
| HTTPD_Connection connection; | |
| if(!connection.accept(sock, 5)) | |
| continue; | |
| switch (HTTPD_Server::mode) { | |
| #if 0 | |
| case HTTPD_Server::MULTITHREADED: | |
| pthread_t thread; | |
| pthread_attr_t attr; | |
| pthread_attr_init(&attr); | |
| pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
| if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection))) | |
| throw Exception("httpd.fork", 0, "thread creation failed (%d)", result); | |
| connection.sock=-1; | |
| break; | |
| case HTTPD_Server::PARALLEL: | |
| pid=fork(); | |
| if(pid<0) | |
| throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno); | |
| if(pid>0) | |
| continue; // parent should close connection.sock as well | |
| #endif | |
| case HTTPD_Server::SEQUENTIAL: // and fork child | |
| SAPI_Info_HTTPD info(connection); | |
| connection_handler(info, connection); | |
| } | |
| // closing connection socket in HTTPD_Connection destructor | |
| } catch(const Exception& e) { // exception in accept or send_error | |
| SAPI::log(*sapiInfo, "%s", e.comment()); | |
| } | |
| if(pid==0) // fork child | |
| exit(0); | |
| } | |
| } | |
| /** main workhorse */ | |
| static void real_parser_handler(bool cgi) { | |
| // init libraries | |
| pa_globals_init(); | |
| if(httpd_host_port){ | |
| httpd_mode(); | |
| } | |
| const char* request_method=getenv("REQUEST_METHOD"); | |
| if(!filespec_to_process) | |
| SAPI::die("Parser/%s", PARSER_VERSION); | |
| char document_root_buf[MAX_STRING]; | |
| // global request info | |
| 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) { | |
| // obligatory | |
| const char* path_info=getenv("PATH_INFO"); | |
| if(!path_info) | |
| SAPI::die("CGI: illegal call (missing PATH_INFO)"); | |
| // beside by binary | request_info.document_root = getenv("DOCUMENT_ROOT"); |
| char *sys_auto_path2=(char *)pool.malloc(MAX_STRING); | if(!request_info.document_root) { |
| strncpy(sys_auto_path2, argv[0], MAX_STRING); // filespec of my binary | // IIS or fcgiwrap minimalistic setup |
| rsplit(sys_auto_path2, PATH_DELIMITER_CHAR); // strip filename | ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info); |
| if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0) | |
| // process the request | SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)"); |
| result=request.core( | |
| sys_auto_path1, | char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/]; |
| sys_auto_path2); | memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0; |
| // set error, will be reported in case result==0 | request_info.document_root = document_root; |
| strcpy(error, "exception occured in request exception handler"); | } |
| // must be last in PTRY{}PCATCH | request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI")); |
| #ifdef WIN32 | if(request_info.uri) { // apache & others stuck to standards |
| # if MSVC | // another obligatory |
| SetUnhandledExceptionFilter(0); | const char* script_name = getenv("SCRIPT_NAME"); |
| # endif | if(!script_name) |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | |
| /* | |
| http://parser3/env.html?123 =OK | |
| $request:uri=/env.html?123 | |
| REQUEST_URI='/env.html?123' | |
| SCRIPT_NAME='/cgi-bin/parser3' | |
| PATH_INFO='/env.html' | |
| 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' | |
| SCRIPT_NAME='/cgi-bin/parser3' | |
| PATH_INFO='/env.html' | |
| */ | |
| size_t script_name_len = strlen(script_name); | |
| size_t uri_len = strlen(request_info.uri); | |
| if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same | |
| SAPI::die("CGI: illegal call (1)"); | |
| } else { // fcgiwrap minimalistic setup | |
| request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info; | |
| } | |
| } else{ | |
| full_disk_path("", 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_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH")); | |
| request_info.cookie = getenv("HTTP_COOKIE"); | |
| request_info.mail_received = mail_received; | |
| request_info.argv = argv_extra; | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s", request_info.method, request_info.uri, request_info.query_string, request_info.document_root, request_info.path_translated); | |
| #endif | #endif |
| } PCATCH(e) { // global problem @globals fill @Request create @prepare to .core() | |
| result=0; | // prepare to process request |
| strcpy(error, e.comment()); | Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| { | |
| // initing ::request ptr for signal handlers | |
| RequestController rc(&r); | |
| // process the request | |
| r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0); | |
| // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory | |
| } | |
| // finalize libraries | |
| pa_globals_done(); | |
| } | |
| #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION | |
| static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) { | |
| try { | |
| real_parser_handler(cgi); | |
| } catch(const Exception& e) { | |
| return e; | |
| } | } |
| PEND_CATCH | |
| // write out the result | return Exception(); |
| } | |
| static void call_real_parser_handler__supress_system_exception(bool cgi) { | |
| Exception parser_exception; | |
| LPEXCEPTION_POINTERS system_exception=0; | |
| __try { | |
| parser_exception=call_real_parser_handler__do_PEH_return_it(cgi); | |
| } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) { | |
| if(system_exception) | |
| if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) | |
| throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | |
| else | |
| throw Exception("system", 0, "<no exception record>"); | |
| else | |
| throw Exception("system", 0, "<no exception information>"); | |
| } | |
| if(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 | |
| static void usage(const char* program) { | |
| printf( | |
| "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" | |
| "\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" | |
| " -p [host:]port Start web server on this port\n" | |
| " -h Display usage information (this message)\n", | |
| PARSER_VERSION, | |
| program); | |
| exit(EINVAL); | |
| } | |
| int main(int argc, char *argv[]) { | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| log("main: entry"); | |
| #endif | |
| parser3_filespec = argv[0]; | |
| umask(2); | |
| // were we started as CGI? | |
| bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION"); | |
| sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info(); | |
| #ifdef SIGUSR1 | |
| signal(SIGUSR1, SIGUSR1_handler); | |
| #endif | |
| #ifdef SIGPIPE | |
| signal(SIGPIPE, SIGPIPE_handler); | |
| #endif | |
| char *raw_filespec_to_process = NULL; | |
| if(cgi) { | if(cgi) { |
| if(result) { | raw_filespec_to_process=getenv("PATH_TRANSLATED"); |
| const char *content_type="text/html"; | argv_extra=argv + 1; |
| printf( | } else { |
| "Content-type: %s\n" | int optind=1; |
| "Content-length: %d\n" | while(optind < argc){ |
| "\n", | char *carg = argv[optind]; |
| content_type, | if(carg[0] != '-') |
| strlen(result)); | break; |
| stdout_write(result); | |
| 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=argv[optind]; | |
| } | |
| break; | |
| case 'p': | |
| if(optind < argc - 1){ | |
| optind++; | |
| httpd_host_port=argv[optind]; | |
| } | |
| break; | |
| #ifdef WITH_MAILRECEIVE | |
| case 'm': | |
| mail_received=true; | |
| break; | |
| #endif | |
| default: | |
| fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c); | |
| usage(argv[0]); | |
| break; | |
| } | |
| } | |
| optind++; | |
| } | |
| if (optind > argc - 1) { | |
| if(!httpd_host_port) { | |
| fprintf(stderr, "%s: file not specified\n", argv[0]); | |
| usage(argv[0]); | |
| } | |
| } else { | } else { |
| printf( | raw_filespec_to_process=argv[optind]; |
| "Content-type: text/plain\n" | |
| "Content-length: %d\n" | |
| "\n", | |
| strlen(error)); | |
| stdout_write(error); | |
| } | } |
| } else | |
| if(result) | |
| printf("%s", result); | |
| else | |
| fputs(error, stderr); | |
| return 0; | if (httpd_host_port && mail_received) { |
| fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]); | |
| usage(argv[0]); | |
| } | |
| argv_extra=argv + optind; | |
| } | |
| #ifdef _MSC_VER | |
| setmode(fileno(stdin), _O_BINARY); | |
| setmode(fileno(stdout), _O_BINARY); | |
| setmode(fileno(stderr), _O_BINARY); | |
| #endif | |
| #if defined(_MSC_VER) && defined(_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 ); | |
| _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); | |
| _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); | |
| #endif | |
| try { // global try | |
| char filespec_to_process_buf[MAX_STRING]; | |
| if(raw_filespec_to_process && *raw_filespec_to_process){ | |
| full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf)); | |
| filespec_to_process=filespec_to_process_buf; | |
| } | |
| REAL_PARSER_HANDLER(cgi); | |
| } catch(const Exception& e) { // exception in unhandled exception | |
| SAPI::die("%s", e.comment()); | |
| } | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| log("main: successful return"); | |
| #endif | |
| return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0; | |
| } | } |