--- parser3/src/targets/cgi/parser3.C 2001/04/28 15:22:47 1.76 +++ parser3/src/targets/cgi/parser3.C 2001/10/22 16:44:43 1.124 @@ -2,10 +2,9 @@ Parser: scripting and CGI main. Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) - $Id: parser3.C,v 1.76 2001/04/28 15:22:47 paf Exp $ + $Id: parser3.C,v 1.124 2001/10/22 16:44:43 parser Exp $ */ #include "pa_config_includes.h" @@ -21,6 +20,40 @@ #include "pa_socks.h" #include "pa_version.h" +#ifdef XML +#include +#endif + +//#define DEBUG_POOL_MALLOC + +// consts + +extern const char *main_RCSIds[]; +#ifdef USE_SMTP +extern const char *smtp_RCSIds[]; +#endif +extern const char *gd_RCSIds[]; +extern const char *classes_RCSIds[]; +extern const char *types_RCSIds[]; +extern const char *parser3_RCSIds[]; +#ifdef XML +extern const char *xalan_patched_RCSIds[]; +#endif +const char **RCSIds[]={ + main_RCSIds, +#ifdef USE_SMTP + smtp_RCSIds, +#endif + gd_RCSIds, + classes_RCSIds, + types_RCSIds, + parser3_RCSIds, +#ifdef XML + xalan_patched_RCSIds, +#endif + 0 +}; + /// IIS refuses to read bigger chunks const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M @@ -28,36 +61,16 @@ const char *argv0; Pool pool(0); // global pool [dont describe to doxygen: it confuses it with param names] bool cgi; ///< we were started as CGI? -#ifdef WIN32 -/// global system errors into parser exceptions converter -static LONG WINAPI TopLevelExceptionFilter(struct _EXCEPTION_POINTERS *ExceptionInfo) { - char buf[MAX_STRING]; - if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { - struct _EXCEPTION_RECORD *er=ExceptionInfo->ExceptionRecord; - snprintf(buf, MAX_STRING, "Exception 0x%X at %p", - er->ExceptionCode, - er->ExceptionAddress); - } else - strcpy(buf, "Exception "); - - PTHROW(0, 0, - 0, - buf); - - return EXCEPTION_EXECUTE_HANDLER; // never reached -} -#endif - // SAPI -// appends to parser3.log located beside my binary -void SAPI::log(Pool& pool, const char *fmt, ...) { + +static void log(const char *fmt, va_list args) { bool opened; FILE *f=0; if(argv0) { // beside by binary char file_spec[MAX_STRING]; - strncpy(file_spec, argv0, MAX_STRING); // filespec of my binary + strncpy(file_spec, argv0, MAX_STRING-1); file_spec[MAX_STRING-1]=0; // filespec of my binary rsplit(file_spec, '/'); rsplit(file_spec, '\\');// strip filename strcat(file_spec, "/parser3.log"); f=fopen(file_spec, "at"); @@ -71,22 +84,43 @@ void SAPI::log(Pool& pool, const char *f const char *stamp=ctime(&t); fprintf(f, "[%.*s] ", strlen(stamp)-1, stamp); // message - va_list args; - va_start(args,fmt); - vfprintf(f, fmt, args); - va_end(args); + + char buf[MAX_STRING]; + size_t size=vsnprintf(buf, MAX_STRING, fmt, args); + remove_crlf(buf, buf+size); + + 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, ...) { + va_list args; + va_start(args,fmt); + ::log(fmt, args); + va_end(args); + + exit(1); } -const char *SAPI::get_env(Pool& pool, const char *name) { - return getenv(name); +const char *SAPI::get_env(Pool& , const char *name) { + return getenv(name); } -size_t SAPI::read_post(Pool& pool, char *buf, size_t max_bytes) { +size_t SAPI::read_post(Pool& , char *buf, size_t max_bytes) { size_t read_size=0; do { int chunk_size=read(fileno(stdin), @@ -99,13 +133,13 @@ size_t SAPI::read_post(Pool& pool, char 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) printf("%s: %s\n", key, value); } /// @todo intelligent cache-control -void SAPI::send_header(Pool& pool) { +void SAPI::send_header(Pool& ) { if(cgi) { puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); @@ -114,29 +148,211 @@ void SAPI::send_header(Pool& pool) { } } -void SAPI::send_body(Pool& pool, const void *buf, size_t size) { +void SAPI::send_body(Pool& , const void *buf, size_t size) { stdout_write(buf, size); } +// + +char *full_file_spec(char *file_name) { + if(file_name && !strchr(file_name, '/')) { + static char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); + static char buf[MAX_STRING]; + snprintf(buf, MAX_STRING, "%s/%s", cwd, file_name); + return buf; + } + return file_name; +} + /** - main workhorse +main workhorse - @todo + @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. */ +void real_parser_handler( + const char *filespec_to_process, + const char *request_method, bool header_only) { + // init socks + init_socks(pool); + +#ifdef XML + /** + * Initialize Xerces and Xalan. + * + * Should be called only once per process before making + * any other API calls. + */ + //_asm int 3; + XalanInitialize(); +#endif + + // init global classes + init_methoded_array(pool); + // init global variables + pa_globals_init(pool); + + if(!filespec_to_process) + throw Exception(0, 0, + 0, + "Parser/%s", PARSER_VERSION); + + // Request info + Request::Info request_info; + if(cgi) { + if(const char *env_document_root=SAPI::get_env(pool, "DOCUMENT_ROOT")) + request_info.document_root=env_document_root; + else if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) { + // IIS + size_t len=strlen(filespec_to_process)-strlen(path_info); + char *buf=(char *)pool.malloc(len+1); + memcpy(buf, filespec_to_process, len); buf[len]=0; + request_info.document_root=buf; + } else + throw Exception(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-1); buf[MAX_STRING-1]=0; + if(rsplit(buf, '/') || rsplit(buf, '\\')) // strip filename + request_info.document_root=buf; + else + request_info.document_root=""; + } + request_info.path_translated=filespec_to_process; + request_info.method=request_method ? request_method : "GET"; + const char *query_string=SAPI::get_env(pool, "QUERY_STRING"); + request_info.query_string=query_string; + if(cgi) { + if(const char *env_request_uri=SAPI::get_env(pool, "REQUEST_URI")) + request_info.uri=env_request_uri; + else if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) + if(query_string) { + char *reconstructed_uri=(char *)pool.malloc( + strlen(path_info)+1/*'?'*/+ + strlen(query_string)+1/*0*/); + strcpy(reconstructed_uri, path_info); + strcat(reconstructed_uri, "?"); + strcat(reconstructed_uri, query_string); + request_info.uri=reconstructed_uri; + } else + request_info.uri=path_info; + else + throw Exception(0, 0, + 0, + "CGI: no PATH_INFO defined(in reinventing REQUEST_URI)"); + + if(const char *script_name=SAPI::get_env(pool, "SCRIPT_NAME")) { + 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 + throw Exception(0, 0, + 0, + "CGI: illegal call"); + } + } else + request_info.uri=0; + + request_info.content_type=SAPI::get_env(pool, "CONTENT_TYPE"); + const char *content_length=SAPI::get_env(pool, "CONTENT_LENGTH"); + request_info.content_length=(content_length?atoi(content_length):0); + request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); + request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); + + // prepare to process request + Request request(pool, + request_info, + cgi ? String::UL_USER_HTML : String::UL_AS_IS + ); + + // some root-controlled location +#ifdef SYSCONFDIR + const char *root_config_filespec=SYSCONFDIR "/" CONFIG_FILE_NAME; +#else +# ifdef WIN32 + // c:\windows + char root_config_path[MAX_STRING]; + GetWindowsDirectory(root_config_path, MAX_STRING); + + char root_config_filespec[MAX_STRING]; + snprintf(root_config_filespec, MAX_STRING, + "%s/%s", + root_config_path, CONFIG_FILE_NAME); +# else +#error must be compiled either configure/make or MSVC++ +# endif +#endif + + // beside by binary + // @todo full path, not ./! + static char site_config_path[MAX_STRING]; + strncpy(site_config_path, argv0, MAX_STRING-1); site_config_path[MAX_STRING-1]=0; // filespec of my binary + if(!( + rsplit(site_config_path, '/') || + rsplit(site_config_path, '\\'))) { // strip filename + // no path, just filename + site_config_path[0]='.'; site_config_path[1]=0; + } + + char site_config_filespec[MAX_STRING]; + snprintf(site_config_filespec, MAX_STRING, + "%s/%s", + site_config_path, CONFIG_FILE_NAME); + + // process the request + request.core( + root_config_filespec, false, + site_config_filespec, false, + header_only); + + // + done_socks(); + +#ifdef DEBUG_POOL_MALLOC + extern void log_pool_stats(Pool& pool); + log_pool_stats(pool); +#endif +} + +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 + real_parser_handler( + filespec_to_process, + request_method, header_only); + +#if _MSC_VER & !defined(_DEBUG) + } __except ( + (system_exception=GetExceptionInformation()), + EXCEPTION_EXECUTE_HANDLER) { + + if(system_exception) + if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) + throw Exception(0, 0, + 0, + "Exception 0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); + else + throw Exception(0, 0, 0, "Exception "); + else + throw Exception(0, 0, 0, "Exception "); + } +#endif +} + int main(int argc, char *argv[]) { + int result; argv0=argv[0]; umask(2); -#ifdef WIN32 - setmode(fileno(stdin), _O_BINARY); - setmode(fileno(stdout), _O_BINARY); - setmode(fileno(stderr), _O_BINARY); -#endif - // were we started as CGI? cgi= getenv("SERVER_SOFTWARE") || @@ -157,138 +373,28 @@ int main(int argc, char *argv[]) { } } +#ifdef WIN32 + setmode(fileno(stdin), _O_BINARY); + setmode(fileno(stdout), _O_BINARY); + setmode(fileno(stderr), _O_BINARY); +#endif + char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; #ifdef WIN32 back_slashes_to_slashes(filespec_to_process); #endif + filespec_to_process=full_file_spec(filespec_to_process); const char *request_method=getenv("REQUEST_METHOD"); bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; - PTRY { // global try - // must be first in PTRY{}PCATCH -#ifdef WIN32 - SetUnhandledExceptionFilter(&TopLevelExceptionFilter); -#endif - - // init socks - init_socks(pool); + try { // global try + call_real_parser_handler__do_SEH( + filespec_to_process, + request_method, header_only); - // init global classes - init_methoded_array(pool); - // init global variables - pa_globals_init(pool); - - if(!filespec_to_process) - PTHROW(0, 0, - 0, - "Parser/%s", PARSER_VERSION); - - // Request info - Request::Info request_info; - if(cgi) { - if(const char *env_document_root=SAPI::get_env(pool, "DOCUMENT_ROOT")) - request_info.document_root=env_document_root; - else if(const char *path_info=SAPI::get_env(pool, "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); - if(rsplit(buf, '/') || rsplit(buf, '\\')) // strip filename - request_info.document_root=buf; - else - request_info.document_root=""; - } - request_info.path_translated=filespec_to_process; - request_info.method=request_method; - const char *query_string=SAPI::get_env(pool, "QUERY_STRING"); - request_info.query_string=query_string; - if(cgi) { - if(const char *env_request_uri=SAPI::get_env(pool, "REQUEST_URI")) - request_info.uri=env_request_uri; - else if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) - if(query_string) { - char *reconstructed_uri=(char *)malloc( - strlen(path_info)+1/*'?'*/+ - strlen(query_string)+1/*0*/); - strcpy(reconstructed_uri, path_info); - strcat(reconstructed_uri, "?"); - strcat(reconstructed_uri, query_string); - request_info.uri=reconstructed_uri; - } else - request_info.uri=path_info; - else - PTHROW(0, 0, - 0, - "CGI: no PATH_INFO defined(in reinventing REQUEST_URI)"); - - if(const char *script_name=SAPI::get_env(pool, "SCRIPT_NAME")) { - 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 - PTHROW(0, 0, - 0, - "CGI: illegal call"); - } - } else - request_info.uri=0; - - request_info.content_type=SAPI::get_env(pool, "CONTENT_TYPE"); - const char *content_length=SAPI::get_env(pool, "CONTENT_LENGTH"); - request_info.content_length=(content_length?atoi(content_length):0); - request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); - request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); - - // prepare to process request - Request request(pool, - request_info, - cgi ? String::UL_USER_HTML : String::UL_AS_IS - ); - - // some root-controlled location -#ifdef WIN32 - // c:\windows - static char root_auto_path[MAX_STRING]; - GetWindowsDirectory(root_auto_path, MAX_STRING); -#else - // ~nobody todo: figure out a better place - const char *root_auto_path=SAPI::get_env(pool, "HOME"); -#endif - - // beside by binary - static char site_auto_path[MAX_STRING]; - strncpy(site_auto_path, argv[0], MAX_STRING); // filespec of my binary - rsplit(site_auto_path, '/'); rsplit(site_auto_path, '\\');// strip filename - - // process the request - request.core( - root_auto_path, false, - site_auto_path, false, - header_only); - - // - done_socks(); - - // must be last in PTRY{}PCATCH -#ifdef WIN32 - SetUnhandledExceptionFilter(0); -#endif // successful finish - return 0; - } PCATCH(e) { // global problem - // must be first in PCATCH{} -#ifdef WIN32 - SetUnhandledExceptionFilter(0); -#endif + result=0; + } 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 @@ -314,7 +420,14 @@ int main(int argc, char *argv[]) { SAPI::send_body(pool, body, content_length); // unsuccessful finish - return 1; + result=1; } - PEND_CATCH + + +#ifndef WIN32 + // + if(!cgi) + SAPI::send_body(pool, "\n", 1); +#endif + return result; }