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| version 1.6, 2001/03/14 08:53:58 | version 1.294, 2020/10/10 06:08:37 |
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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" | |
| Pool pool; // global pool | #define REDIRECT_PREFIX "REDIRECT_" |
| #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" | |
| #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" | |
| #ifdef WIN32 | static const char* config_filespec_cstr=0; // -f option |
| // intercept global system errors | static const char* httpd_port=0; // -p option |
| LONG WINAPI TopLevelExceptionFilter ( | static bool mail_received=false; // -m option? [asked to parse incoming message to $mail:received] |
| struct _EXCEPTION_POINTERS *ExceptionInfo | |
| ) { | static int args_skip=1; |
| char buf[MAX_STRING]; | static char** argv_all = NULL; |
| if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { | |
| struct _EXCEPTION_RECORD *r=ExceptionInfo->ExceptionRecord; | static bool cgi; ///< we were started as CGI? |
| int printed=0; | // for signal handlers |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "Exception 0x%X at 0x%p", | Request *request=0; |
| r->ExceptionCode, | bool execution_canceled=false; |
| r->ExceptionAddress); | |
| for(unsigned int i=0; i<r->NumberParameters; i++) | // SAPI |
| 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(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 | |
| if(!opened && 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] [%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){ | |
| Request_info& request_info = request->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 | |
| fputs("\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 | #endif |
| void fill_vform_fields(Pool& pool, bool cgi, Hash& fields) { | // appends to parser3.log located beside my binary if openable, to stderr otherwize |
| String& ename=*new(pool) String(pool); | void SAPI::log(SAPI_Info&, const char* fmt, ...) { |
| ename.APPEND_CONST("test"); | va_list args; |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | |
| } | |
| String& evalue=*new(pool) String(pool); | void SAPI::die(const char* fmt, ...) { |
| evalue.APPEND_TAINTED("<value>", 0, "form", 0); | va_list args; |
| fields.put(ename, new(pool) VString(evalue)); | // logging first, first vsnprintf |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | |
| // inform user, second vsnprintf | |
| va_start(args, fmt); | |
| char body[MAX_STRING]; | |
| int content_length=vsnprintf(body, MAX_STRING, fmt, args); | |
| sapiInfo->die(body, content_length); | |
| exit(1); | |
| // va_end(args); | |
| } | } |
| int main(int argc, char *argv[]) { | char* SAPI::Env::get(SAPI_Info& info, const char* name) { |
| // were we started as CGI? | return info.get_env(name); |
| bool cgi= | } |
| getenv("SERVER_SOFTWARE") || | |
| getenv("SERVER_NAME") || | const char* const *SAPI::Env::get(SAPI_Info& info) { |
| getenv("GATEWAY_INTERFACE") || | return info.get_env(); |
| getenv("REQUEST_METHOD"); | } |
| char *result; char error[MAX_STRING]; error[0]=0; | size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) { |
| PTRY { // global try | return info.read_post(buf, max_bytes); |
| // must be first in PTRY{}PCATCH | } |
| 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_file_spec(const char* file_name, char *buf, size_t buf_size) { | |
| if(file_name) | |
| if(file_name[0]=='/' | |
| #ifdef WIN32 | #ifdef WIN32 |
| SetUnhandledExceptionFilter(&TopLevelExceptionFilter); | || file_name[0] && file_name[1]==':' |
| //TODO: initSocks(); | |
| #endif | #endif |
| ){ | |
| fill_globals(pool); | strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0; |
| } else { | |
| // TODO: ifdef WIN32 flip \\ to / | char cwd[MAX_STRING]; |
| const char *document_root="Y:/parser3/src/"; | snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name); |
| const char *page_filespec="Y:/parser3/src/test.p"; | } |
| else | |
| // prepare to process request | buf[0]=0; |
| Request request(Pool(), | |
| cgi ? String::Untaint_lang::HTML_TYPO : String::Untaint_lang::NO, | |
| document_root, | |
| page_filespec | |
| ); | |
| // fill user passed forms | |
| fill_vform_fields(pool, cgi, request.form_class.fields()); | |
| // some root-controlled location | |
| char *sys_auto_path1; | |
| #ifdef WIN32 | #ifdef WIN32 |
| sys_auto_path1=(char *)pool.malloc(MAX_STRING); | back_slashes_to_slashes(buf); |
| GetWindowsDirectory(sys_auto_path1, MAX_STRING-1/*for \*/); | |
| strcat(sys_auto_path1, "\\"); | |
| #else | |
| sys_auto_path1=getenv("HOME"); | |
| #endif | #endif |
| } | |
| // beside by binary | |
| char *sys_auto_path2=(char *)pool.malloc(MAX_STRING); | static void log_signal(const char* signal_name) { |
| strncpy(sys_auto_path2, argv[0], MAX_STRING); // filespec of my binary | SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after"); |
| // strip filename | } |
| #ifdef SIGUSR1 | |
| static void SIGUSR1_handler(int /*sig*/){ | |
| log_signal("SIGUSR1"); | |
| } | |
| #endif | |
| #ifdef SIGPIPE | |
| #define SIGPIPE_NAME "SIGPIPE" | |
| static const String sigpipe_name(SIGPIPE_NAME); | |
| static void SIGPIPE_handler(int /*sig*/){ | |
| 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) | |
| request->set_skip(Request::SKIP_INTERRUPTED); | |
| } | |
| #endif | |
| #ifdef WIN32 | #ifdef WIN32 |
| rsplit(sys_auto_path2, '\\'); | const char* maybe_reconstruct_IIS_status_in_qs(const char* original) { |
| #else | // 404;http://servername/page[?param=value...] |
| rsplit(sys_auto_path2, '/'); | // ';' 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; | |
| } | |
| #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; | |
| } | |
| static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection, const char* filespec_to_process){ | |
| connection.read_header(); | |
| // Request info | |
| Request_info request_info; memset(&request_info, 0, sizeof(request_info)); | |
| char document_root_buf[MAX_STRING]; | |
| 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 = connection.method(); | |
| request_info.query_string=NULL; | |
| request_info.uri=request_info.strip_absolute_uri(connection.uri()); | |
| request_info.content_type=connection.content_type(); | |
| request_info.content_length=connection.content_length(); | |
| request_info.cookie=info.get_env("HTTP_COOKIE"); | |
| request_info.mail_received=false; | |
| request_info.argv = argv_all + args_skip; | |
| // prepare to process request | |
| Request request(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); | |
| { | |
| // get ::request ptr for signal handlers | |
| RequestController rc(&request); | |
| bool fail_on_config_read_problem=locate_config(); | |
| // process the request | // process the request |
| result=request.core( | request.core(config_filespec_cstr, fail_on_config_read_problem, strcasecmp(request_info.method, "HEAD")==0); |
| sys_auto_path1, | // ::request cleared in RequestController desctructor to prevent signal handlers from accessing invalid memory |
| sys_auto_path2); | } |
| // set error, will be reported in case result==0 | } |
| strcpy(error, "exception occured in request exception handler"); | |
| // must be last in PTRY{}PCATCH | static void httpd_mode(const char* filespec_to_process){ |
| #ifdef WIN32 | int sock = HTTPD_Server::bind(/*"127.0.0.1"*/ NULL, pa_atoui(httpd_port, 10)); |
| SetUnhandledExceptionFilter(0); | |
| while(1 == 1){ | |
| HTTPD_Connection *connection = HTTPD_Server::accept(sock,5); | |
| if(!connection) | |
| continue; | |
| SAPI_Info_HTTPD info(*connection); | |
| try { // connection try | |
| connection_handler(info, *connection, filespec_to_process); | |
| } catch(const Exception& e) { // exception in unhandled exception | |
| // info.die(e); | |
| } | |
| close(connection->sock); | |
| } | |
| } | |
| /** main workhorse */ | |
| static void real_parser_handler(const char* filespec_to_process) { | |
| // init libraries | |
| pa_globals_init(); | |
| if(httpd_port){ | |
| httpd_mode(filespec_to_process); | |
| } | |
| const char* request_method=getenv("REQUEST_METHOD"); | |
| if(!filespec_to_process || !*filespec_to_process) | |
| SAPI::die("Parser/%s", PARSER_VERSION); | |
| // Request info | |
| Request_info request_info; memset(&request_info, 0, sizeof(request_info)); | |
| 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) { | |
| // obligatory | |
| const char* path_info=getenv("PATH_INFO"); | |
| if(!path_info) | |
| SAPI::die("CGI: illegal call (missing PATH_INFO)"); | |
| request_info.document_root = getenv("DOCUMENT_ROOT"); | |
| if(!request_info.document_root) { | |
| // IIS or fcgiwrap minimalistic setup | |
| ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info); | |
| if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0) | |
| SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)"); | |
| char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/]; | |
| memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0; | |
| request_info.document_root = document_root; | |
| } | |
| 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 | |
| $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 | |
| if(request_info.query_string && *request_info.query_string) { | |
| char* reconstructed_uri = new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(request_info.query_string) + 1/*0*/]; | |
| strcpy(reconstructed_uri, path_info); | |
| strcat(reconstructed_uri, "?"); | |
| strcat(reconstructed_uri, request_info.query_string); | |
| request_info.uri = reconstructed_uri; | |
| } else | |
| request_info.uri = path_info; | |
| } | |
| } else{ | |
| 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_length = pa_atoui(getenv("CONTENT_LENGTH"), 10); | |
| request_info.cookie = getenv("HTTP_COOKIE"); | |
| request_info.mail_received = mail_received; | |
| request_info.argv = argv_all + args_skip; | |
| 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 | #endif |
| } PCATCH(e) { // global problem [creating Request, preparing to .core()] | |
| result=0; | // prepare to process request |
| strcpy(error, e.comment()); | Request request(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| { | |
| // get ::request ptr for signal handlers | |
| RequestController rc(&request); | |
| bool fail_on_config_read_problem=locate_config(); | |
| // process the request | |
| request.core(config_filespec_cstr, fail_on_config_read_problem, strcasecmp(request_info.method, "HEAD")==0); | |
| // ::request cleared in RequestController desctructor 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(const char* filespec_to_process) { | |
| try { | |
| real_parser_handler(filespec_to_process); | |
| } catch(const Exception& e) { | |
| return e; | |
| } | } |
| PEND_CATCH | |
| // write out the result | return Exception(); |
| } | |
| static void call_real_parser_handler__supress_system_exception(const char* filespec_to_process) { | |
| Exception parser_exception; | |
| LPEXCEPTION_POINTERS system_exception=0; | |
| __try { | |
| parser_exception=call_real_parser_handler__do_PEH_return_it(filespec_to_process); | |
| } __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 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 | |
| argv_all=argv; | |
| umask(2); | |
| // were we started as CGI? | |
| 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 | |
| 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 | |
| char *raw_filespec_to_process; | |
| if(cgi) { | if(cgi) { |
| if(result) { | raw_filespec_to_process=getenv("PATH_TRANSLATED"); |
| const char *content_type="text/html"; | if(raw_filespec_to_process && !*raw_filespec_to_process) |
| printf( | raw_filespec_to_process=0; |
| "Content-type: %s\n" | } else { |
| "Content-length: %d\n" | int optind=1; |
| "\n", | while(optind < argc){ |
| content_type, | char *carg = argv[optind]; |
| strlen(result)); | if(carg[0] != '-') |
| stdout_write(result); | 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; | |
| case 'p': | |
| if(optind < argc - 1){ | |
| optind++; | |
| httpd_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_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" | args_skip=optind; |
| "\n", | |
| strlen(error)); | if (httpd_port && mail_received) { |
| stdout_write(error); | fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]); |
| } | usage(argv[0]); |
| } else | } |
| if(result) | } |
| printf("%s", result); | |
| else | #ifdef _MSC_VER |
| fputs(error, stderr); | setmode(fileno(stdin), _O_BINARY); |
| setmode(fileno(stdout), _O_BINARY); | |
| setmode(fileno(stderr), _O_BINARY); | |
| #endif | |
| return 0; | #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 | |
| char filespec_to_process[MAX_STRING]; | |
| full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); | |
| try { // global try | |
| REAL_PARSER_HANDLER(filespec_to_process); | |
| } catch(const Exception& e) { // exception in unhandled exception | |
| SAPI::die("Unhandled exception %s", e.comment()); | |
| } | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| log("main: successful return"); | |
| #endif | |
| return sapiInfo && sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0; | |
| } | } |