--- parser3/src/targets/cgi/parser3.C 2001/03/22 16:38:22 1.32 +++ parser3/src/targets/cgi/parser3.C 2001/05/15 11:36:15 1.78 @@ -1,52 +1,40 @@ /** @file Parser: scripting and CGI main. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) + Author: Alexander Petrosyan (http://design.ru/paf) - $Id: parser3.C,v 1.32 2001/03/22 16:38:22 paf Exp $ + $Id: parser3.C,v 1.78 2001/05/15 11:36:15 parser Exp $ */ -#ifdef HAVE_CONFIG_H -# include "pa_config.h" -#endif - +#include "pa_config_includes.h" #ifdef WIN32 # include -# include -#else -# include #endif -//\ifwin32 -#include -//#include -//\endifwin32 - -#include -#include -#include -#include - +#include "pa_sapi.h" +#include "classes.h" #include "pa_common.h" -#include "pa_globals.h" #include "pa_request.h" +#include "pa_socks.h" +#include "pa_version.h" -Pool pool; // global pool +/// IIS refuses to read bigger chunks +const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M + +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 -# if _MSC_VER -// intercept global system errors -static LONG WINAPI TopLevelExceptionFilter ( - struct _EXCEPTION_POINTERS *ExceptionInfo - ) { +/// 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 *rr=ExceptionInfo->ExceptionRecord; - snprintf(buf, MAX_STRING, "Exception %#X at %p", + struct _EXCEPTION_RECORD *er=ExceptionInfo->ExceptionRecord; + snprintf(buf, MAX_STRING, "Exception 0x%X at %p", er->ExceptionCode, er->ExceptionAddress); } else @@ -58,30 +46,51 @@ static LONG WINAPI TopLevelExceptionFilt return EXCEPTION_EXECUTE_HANDLER; // never reached } -# endif - #endif -//\if -static void fix_slashes(char *s) { - if(s) - for(; *s; s++) - if(*s=='\\') - *s='/'; -} -//\endif +// SAPI +// appends to parser3.log located beside my binary +void SAPI::log(Pool& pool, const char *fmt, ...) { + bool opened; + FILE *f=0; -// service funcs + if(argv0) { + // beside by binary + char file_spec[MAX_STRING]; + strncpy(file_spec, argv0, MAX_STRING); // filespec of my binary + rsplit(file_spec, '/'); rsplit(file_spec, '\\');// strip filename + strcat(file_spec, "/parser3.log"); + f=fopen(file_spec, "at"); + } + opened=f!=0; + if(!opened) + f=stderr; + + // prefix + time_t t=time(0); + 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); + // newline + fprintf(f, "\n"); + + if(opened) + fclose(f); +} -static const char *get_env(Pool& pool, const char *name) { +const char *SAPI::get_env(Pool& pool, const char *name) { return getenv(name); } -static uint read_post(char *buf, uint max_bytes) { - int read_size=0; +size_t SAPI::read_post(Pool& pool, char *buf, size_t max_bytes) { + size_t read_size=0; do { - int chunk_size=read - (fileno(stdin), buf+read_size, min(0x400*0x400, max_bytes-read_size)); + int chunk_size=read(fileno(stdin), + buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size)); if(chunk_size<0) break; read_size+=chunk_size; @@ -90,33 +99,36 @@ static uint read_post(char *buf, uint ma return read_size; } -static void add_header_attribute(const char *key, const char *value) { +void SAPI::add_header_attribute(Pool& pool, const char *key, const char *value) { if(cgi) printf("%s: %s\n", key, value); } -static void send_header(const char *buf, size_t size) { - if(cgi) // header | body delimiter +/// @todo intelligent cache-control +void SAPI::send_header(Pool& pool) { + if(cgi) { + puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); + + // header | body delimiter puts(""); + } } -static void send_body(const char *buf, size_t size) { +void SAPI::send_body(Pool& pool, const void *buf, size_t size) { stdout_write(buf, size); } -/// Service funcs - Service_funcs service_funcs={ - get_env, - read_post, - add_header_attribute, - send_header, - send_body - }; - - -// main +/** + 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[]) { + argv0=argv[0]; + umask(2); #ifdef WIN32 @@ -134,103 +146,175 @@ int main(int argc, char *argv[]) { if(!cgi) { if(argc<2) { - char *binary=argv[0]; - printf("Usage: %s \n", binary?binary:"parser3"); - exit(1); + printf( + "Parser/%s Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com)\n" + "Author: Alexander Petrosyan (http://design.ru/paf)\n" + "\n" + "Usage: %s \n", + PARSER_VERSION, + argv0?argv0:"parser3"); + return 1; } } char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; -//\#ifdef WIN32 - fix_slashes(filespec_to_process); -//\#endif +#ifdef WIN32 + back_slashes_to_slashes(filespec_to_process); +#endif + 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 -# if _MSC_VER SetUnhandledExceptionFilter(&TopLevelExceptionFilter); - //TODO: initSocks(); -# endif #endif + // init socks + init_socks(pool); + + // init global classes + init_methoded_array(pool); // init global variables - globals_init(pool); + pa_globals_init(pool); if(!filespec_to_process) PTHROW(0, 0, 0, - "no file to process"); + "Parser/%s", PARSER_VERSION); // Request info Request::Info request_info; - const char *document_root=getenv("DOCUMENT_ROOT"); - if(!document_root) { - static char fake_document_root[MAX_STRING]; - strncpy(fake_document_root, filespec_to_process, MAX_STRING); - rsplit(fake_document_root, '/'); rsplit(fake_document_root, '\\');// strip filename - document_root=fake_document_root; + 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.document_root=document_root; request_info.path_translated=filespec_to_process; - request_info.method=getenv("REQUEST_METHOD"); - request_info.query_string=getenv("QUERY_STRING"); - request_info.uri=getenv("REQUEST_URI"); - request_info.content_type=getenv("CONTENT_TYPE"); - const char *content_length=getenv("CONTENT_LENGTH"); + 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=getenv("HTTP_COOKIE"); + request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); + request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); // prepare to process request - Pool request_pool; - Request request(request_pool, + Request request(pool, request_info, - cgi ? String::UL_HTML_TYPO : String::UL_NO + cgi ? String::UL_USER_HTML : String::UL_AS_IS ); // some root-controlled location - char *root_auto_path; #ifdef WIN32 // c:\windows - root_auto_path=(char *)pool.malloc(MAX_STRING); + static char root_auto_path[MAX_STRING]; GetWindowsDirectory(root_auto_path, MAX_STRING); #else - // ~nobody - root_auto_path=getenv("HOME"); + // ~nobody todo: figure out a better place + const char *root_auto_path=SAPI::get_env(pool, "HOME"); #endif // beside by binary - char *site_auto_path=(char *)pool.malloc(MAX_STRING); + 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(pool.exception(), + request.core( root_auto_path, false, site_auto_path, false, - strcasecmp(request_info.method, "HEAD")==0); + header_only); + + // + done_socks(); + + extern void log_pool_stats(Pool& pool); + log_pool_stats(pool); // must be last in PTRY{}PCATCH #ifdef WIN32 -# if _MSC_VER SetUnhandledExceptionFilter(0); -# endif #endif // successful finish return 0; } PCATCH(e) { // global problem + // must be first in PCATCH{} +#ifdef WIN32 + SetUnhandledExceptionFilter(0); +#endif + // don't allocate anything on pool here: + // possible pool' exception not catch-ed now + // and there could be out-of-memory exception + const char *body=e.comment(); + // log it + SAPI::log(pool, "exception in request exception handler: %s", body); + + // int content_length=strlen(body); - // header - (*service_funcs.output_header_attribute)("content-type", "text/plain"); + // prepare header + SAPI::add_header_attribute(pool, "content-type", "text/plain"); char content_length_cstr[MAX_NUMBER]; - snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length); - (*service_funcs.output_header_attribute)("content-length", - content_length_cstr); + snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); + SAPI::add_header_attribute(pool, "content-length", content_length_cstr); + + // send header + SAPI::send_header(pool); // body - (*service_funcs.output_body)(body, content_length); + if(!header_only) + SAPI::send_body(pool, body, content_length); // unsuccessful finish return 1;