--- parser3/src/targets/cgi/parser3.C 2001/03/18 13:22:08 1.18 +++ parser3/src/targets/cgi/parser3.C 2001/03/23 10:14:36 1.36 @@ -1,9 +1,11 @@ -/* - Parser +/** @file + 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 1.18 2001/03/18 13:22:08 paf Exp $ + $Id: parser3.C,v 1.36 2001/03/23 10:14:36 paf Exp $ */ #ifdef HAVE_CONFIG_H @@ -14,35 +16,36 @@ #ifdef WIN32 # include # include +#else +# include #endif + +//\ifwin32 +#include +//#include +//\endifwin32 + #include #include #include #include +#include "pa_common.h" #include "pa_globals.h" #include "pa_request.h" -#include "pa_common.h" Pool pool; // global pool +bool cgi; ///< we were started as CGI? -#ifdef WIN32 -# if _MSC_VER +#if defined(WIN32) && _MSC_VER // intercept global system errors -LONG WINAPI TopLevelExceptionFilter ( - struct _EXCEPTION_POINTERS *ExceptionInfo - ) { +static LONG WINAPI TopLevelExceptionFilter (struct _EXCEPTION_POINTERS *ExceptionInfo) { char buf[MAX_STRING]; if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { - struct _EXCEPTION_RECORD *r=ExceptionInfo->ExceptionRecord; - - int printed=0; - printed+=snprintf(buf+printed, MAX_STRING-printed, "Exception 0x%X at 0x%p", - r->ExceptionCode, - r->ExceptionAddress); - for(unsigned int i=0; iNumberParameters; i++) - printed+=snprintf(buf+printed, MAX_STRING-printed, ", 0x%X", - r->ExceptionInformation[i]); + struct _EXCEPTION_RECORD *er=ExceptionInfo->ExceptionRecord; + snprintf(buf, MAX_STRING, "Exception %#X at %p", + er->ExceptionCode, + er->ExceptionAddress); } else strcpy(buf, "Exception "); @@ -52,14 +55,28 @@ LONG WINAPI TopLevelExceptionFilter ( return EXCEPTION_EXECUTE_HANDLER; // never reached } -# endif #endif -int read_post(char *buf, int max_bytes) { - int read_size=0; +//\if +static void fix_slashes(char *s) { + if(s) + for(; *s; s++) + if(*s=='\\') + *s='/'; +} +//\endif + +// service funcs + +static const char *sapi_get_env(Pool& pool, const char *name) { + return getenv(name); +} + +static uint sapi_read_post(Pool& pool, char *buf, uint max_bytes) { + uint 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(0x400*0x400, max_bytes-read_size)); if(chunk_size<0) break; read_size+=chunk_size; @@ -68,29 +85,48 @@ int read_post(char *buf, int max_bytes) return read_size; } -void stdout_write_header_attribute(const Hash::Key& key, Hash::Value *value, void *info) { - String *key_to_exclude=static_cast(info); - if(key==*key_to_exclude || !value) - return; - - printf("%s: %s\n", - key.cstr(), - static_cast(value)->as_string().cstr()); +static void sapi_add_header_attribute(Pool& pool, const char *key, const char *value) { + if(cgi) + printf("%s: %s\n", key, value); } +/// @todo intelligent cache-control +static void sapi_send_header(Pool& pool) { + if(cgi) { + puts("Expires: Fri, 23 Mar 2001 09:32:23 GMT"); + + // header | body delimiter + puts(""); + } +} + +static void sapi_send_body(Pool& pool, const char *buf, size_t size) { + stdout_write(buf, size); +} + +/// SAPI +SAPI sapi={ + sapi_get_env, + sapi_read_post, + sapi_add_header_attribute, + sapi_send_header, + sapi_send_body +}; + + +// main + int main(int argc, char *argv[]) { - //TODO: umask(2); + umask(2); + #ifdef WIN32 - _setmode(fileno(stdin), _O_BINARY); - _setmode(fileno(stdout), _O_BINARY); - _setmode(fileno(stderr), _O_BINARY); + setmode(fileno(stdin), _O_BINARY); + setmode(fileno(stdout), _O_BINARY); + setmode(fileno(stderr), _O_BINARY); #endif - // Service funcs - service_funcs.read_post=read_post; - // were we started as CGI? - bool cgi= + cgi= getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || @@ -104,15 +140,18 @@ int main(int argc, char *argv[]) { } } - const char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; + char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; +#ifdef WIN32 + fix_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 +#if defined(WIN32) && _MSC_VER SetUnhandledExceptionFilter(&TopLevelExceptionFilter); //TODO: initSocks(); -# endif #endif // init global variables @@ -124,99 +163,74 @@ int main(int argc, char *argv[]) { "no file to process"); // Request info - // TODO: ifdef WIN32 flip \\ to / 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) + request_info.document_root=getenv("DOCUMENT_ROOT"); + else { + static char document_root[MAX_STRING]; + strncpy(document_root, filespec_to_process, MAX_STRING); + rsplit(document_root, '/'); rsplit(document_root, '\\');// strip filename + request_info.document_root=document_root; } - request_info.document_root=document_root; request_info.path_translated=filespec_to_process; - request_info.method=getenv("REQUEST_METHOD"); + request_info.method=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.content_length=(content_length?atoi(content_length):0); + request_info.cookie=getenv("HTTP_COOKIE"); // prepare to process request - Request request(Pool(), + Pool request_pool; + Request request(request_pool, request_info, - 1||cgi ? String::Untaint_lang::HTML_TYPO : String::Untaint_lang::NO + cgi ? String::UL_HTML_TYPO : String::UL_NO ); // some root-controlled location - char *sys_auto_path1; #ifdef WIN32 // c:\windows - sys_auto_path1=(char *)pool.malloc(MAX_STRING); - GetWindowsDirectory(sys_auto_path1, MAX_STRING); - strcat(sys_auto_path1, PATH_DELIMITER_STRING); + static char root_auto_path[MAX_STRING]; + GetWindowsDirectory(root_auto_path, MAX_STRING); #else // ~nobody - sys_auto_path1=getenv("HOME"); + char *root_auto_path=getenv("HOME"); #endif // beside by binary - char *sys_auto_path2=(char *)pool.malloc(MAX_STRING); - strncpy(sys_auto_path2, argv[0], MAX_STRING); // filespec of my binary - rsplit(sys_auto_path2, '/'); rsplit(sys_auto_path2, '\\');// strip filename - strcat(sys_auto_path2, PATH_DELIMITER_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(), - sys_auto_path1, - sys_auto_path2); - - // extract request.response body - Value *body_value=static_cast( - request.response.fields().get(*body_name)); - const char *body=body_value? - body_value->as_string().cstr():"no body";// TODO: IMAGE&FILE - - // OK. write out the result - if(cgi) { - // header: response fields - request.response.fields().foreach(stdout_write_header_attribute, - body_name); - - // header: content-length - printf( - "content-length: %d\n" - "\n", - strlen(body)); - } - // body - stdout_write(body); + request.core( + root_auto_path, false, + site_auto_path, false, + header_only); - // must be last in PTRY{}PCATCH -#ifdef WIN32 -# if _MSC_VER + // must be last in PTRY{}PCATCH +#if defined(WIN32) && _MSC_VER SetUnhandledExceptionFilter(0); -# endif +#endif // successful finish return 0; -#endif } PCATCH(e) { // global problem - // @globals fill - // @Request create - // @prepare to .core() - // @request.core when reporting request exception - // @write result - const char *error=e.comment(); - - if(cgi) { - printf( - "Content-type: text/plain\n" - "Content-length: %d\n" - "\n", - strlen(error)); - stdout_write(error); - } else - fputs(error, stderr); + 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 return 1;