--- parser3/src/targets/cgi/parser3.C 2001/03/19 21:39:35 1.26 +++ parser3/src/targets/cgi/parser3.C 2001/03/23 08:47:49 1.35 @@ -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 1.26 2001/03/19 21:39:35 paf Exp $ + $Id: parser3.C,v 1.35 2001/03/23 08:47:49 paf Exp $ */ #ifdef HAVE_CONFIG_H @@ -14,7 +16,15 @@ #ifdef WIN32 # include # include +#else +# include #endif + +//\ifwin32 +#include +//#include +//\endifwin32 + #include #include #include @@ -25,25 +35,20 @@ #include "pa_request.h" Pool pool; // global pool -bool cgi; +bool cgi; ///< we were started as CGI? #ifdef WIN32 # if _MSC_VER // intercept global system errors -LONG WINAPI TopLevelExceptionFilter ( +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 *rr=ExceptionInfo->ExceptionRecord; + snprintf(buf, MAX_STRING, "Exception %#X at %p", + er->ExceptionCode, + er->ExceptionAddress); } else strcpy(buf, "Exception "); @@ -55,16 +60,24 @@ LONG WINAPI TopLevelExceptionFilter ( } # endif -void fix_slashes(char *s) { - for(; *s; s++) - if(*s=='\\') - *s='/'; -} #endif +//\if +static void fix_slashes(char *s) { + if(s) + for(; *s; s++) + if(*s=='\\') + *s='/'; +} +//\endif + // service funcs -int read_post(char *buf, int max_bytes) { +static const char *get_env(Pool& pool, const char *name) { + return getenv(name); +} + +static uint read_post(char *buf, uint max_bytes) { int read_size=0; do { int chunk_size=read @@ -77,33 +90,46 @@ int read_post(char *buf, int max_bytes) return read_size; } -void output_header_attribute(const char *key, const char *value) { +static void add_header_attribute(const char *key, const char *value) { if(cgi) printf("%s: %s\n", key, value); } -void output_body(const char *buf, size_t size) { - if(cgi) // header | body delimiter +/// @todo intelligent cache-control +static void send_header(const char *buf, size_t size) { + if(cgi) { + puts("Cache-Control: no-cache"); + + // header | body delimiter puts(""); + } +} +static void send_body(const char *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 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; - service_funcs.output_header_attribute=output_header_attribute; - service_funcs.output_body=output_body; - // were we started as CGI? cgi= getenv("SERVER_SOFTWARE") || @@ -120,10 +146,12 @@ int main(int argc, char *argv[]) { } char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; -#ifdef WIN32 +//\#ifdef WIN32 fix_slashes(filespec_to_process); -#endif +//\#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 @@ -152,7 +180,7 @@ int main(int argc, char *argv[]) { } 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"); @@ -161,36 +189,33 @@ int main(int argc, char *argv[]) { request_info.cookie=getenv("HTTP_COOKIE"); // prepare to process request - Request request(Pool(), + Pool request_pool; + Request request(request_pool, request_info, - 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; + char *root_auto_path; #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); + root_auto_path=(char *)pool.malloc(MAX_STRING); + GetWindowsDirectory(root_auto_path, MAX_STRING); #else // ~nobody - sys_auto_path1=getenv("HOME"); + 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); + char *site_auto_path=(char *)pool.malloc(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); - // no actions with request' data past this point - // request.exception not not handled here, but all - // request' data are associated with it's pool=exception + request.core( + root_auto_path, false, + site_auto_path, false, + header_only); // must be last in PTRY{}PCATCH #ifdef WIN32 @@ -204,15 +229,18 @@ int main(int argc, char *argv[]) { const char *body=e.comment(); int content_length=strlen(body); - // header - (*service_funcs.output_header_attribute)("content-type", "text/plain"); + // prepare header + add_header_attribute("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, "%lu", content_length); + add_header_attribute("content-length", content_length_cstr); + + // send header + send_header(pool); // body - (*service_funcs.output_body)(body, content_length); + if(!header_only) + send_body(body, content_length); // unsuccessful finish return 1;