Annotation of parser3/src/targets/cgi/parser3.C, revision 1.380
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.368 moko 4: Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
1.350 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.189 paf 6: */
1.27 paf 7:
1.380 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.379 2026/10/16 13:55:16 moko Exp $";
1.1 paf 9:
1.40 paf 10: #include "pa_config_includes.h"
1.3 paf 11:
1.37 paf 12: #include "pa_sapi.h"
1.76 paf 13: #include "classes.h"
1.24 paf 14: #include "pa_common.h"
1.2 paf 15: #include "pa_request.h"
1.68 paf 16: #include "pa_version.h"
1.333 moko 17: #include "pa_threads.h"
1.266 moko 18: #include "pa_vconsole.h"
1.294 moko 19: #include "pa_sapi_info.h"
1.375 moko 20: #include "pa_code_cache.h"
1.379 moko 21: #include "pa_websocket.h"
1.207 paf 22:
1.263 moko 23: #ifdef _MSC_VER
1.264 moko 24: #include <crtdbg.h>
1.263 moko 25: #include <windows.h>
26: #include <direct.h>
1.328 moko 27:
28: extern "C" HANDLE WINAPI GC_CreateThread(LPSECURITY_ATTRIBUTES, DWORD, LPTHREAD_START_ROUTINE, LPVOID, DWORD, LPDWORD);
29:
30: #else
31:
32: extern "C" int GC_pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void * /* arg */);
33:
1.120 parser 34: #endif
35:
1.232 paf 36: // defines
1.231 paf 37:
1.233 paf 38: // comment remove me after debugging
1.362 moko 39: //#define PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 40:
1.278 moko 41: #if defined(_MSC_VER) && !defined(_DEBUG)
1.231 paf 42: # define PA_SUPPRESS_SYSTEM_EXCEPTION
43: #endif
44:
1.109 parser 45: // consts
1.84 parser 46:
1.175 paf 47: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 48: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 49: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 50:
1.358 moko 51: SAPI_Info sapi_console;
52: SAPI_Info_CGI sapi_cgi;
53:
54: static SAPI_Info *sapi_info = &sapi_cgi;
55: static THREAD_LOCAL SAPI_Info *sapi_info_4log = NULL; // global for correct send error in die()
1.357 moko 56:
1.365 moko 57: const char* parser3_mode = "cgi"; // $status:mode
1.316 moko 58: static const char* filespec_to_process = 0; // [file]
59: static const char* httpd_host_port = 0; // -p option
1.319 moko 60: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.374 moko 61: static const char* log_filespec = 0; // -l option or from env, full disk path
1.316 moko 62: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.347 moko 63: static const char* parser3_filespec = 0; // argv[0]
1.319 moko 64: static char** argv_extra = NULL;
1.245 misha 65:
1.317 moko 66: // for error logging
1.341 moko 67: static THREAD_LOCAL Request_info *request_info_4log = NULL; // global for correct log() reporting
1.374 moko 68: static const char* filespec_4log = NULL; // null only if system-wide auto.p used; full disk path, parser3.log goes next to it
1.201 paf 69:
1.366 moko 70: const char *parser3_log_filespec() { // $status:log-filename
1.363 moko 71: const char* slog=log_filespec;
1.61 paf 72:
1.366 moko 73: if(!slog) {
74: static char log_spec[MAX_STRING + 12 /* '/parser3.log' */];
1.352 moko 75: pa_strncpy(log_spec, filespec_4log, MAX_STRING);
76:
1.374 moko 77: if(char* log_dir_pos=strrchr(log_spec, '/')){
1.352 moko 78: strcpy(log_dir_pos, "/parser3.log");
79: } else {
1.374 moko 80: // system-wide auto.p used: the current directory
1.352 moko 81: strcpy(log_spec, "./parser3.log");
1.193 paf 82: }
1.366 moko 83: slog=log_spec;
1.193 paf 84: }
1.366 moko 85: return slog;
86: }
87:
88: // SAPI
89:
90: static void pa_log(const char* fmt, va_list args) {
91: // use no memory [so that we could log out-of-memory error]
92: const char* slog=parser3_log_filespec();
93: FILE *f=strcmp(slog,"-") ? fopen(slog, "at") : stderr;
1.363 moko 94:
1.192 paf 95: // fallback to stderr
1.362 moko 96: if(!f)
1.61 paf 97: f=stderr;
1.208 paf 98:
99: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 100:
101: // prefix
102: time_t t=time(0);
1.218 paf 103: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 104: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 105: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 106: }
1.366 moko 107:
1.61 paf 108: // message
1.246 misha 109: char buf[MAX_LOG_STRING];
1.380 ! moko 110: size_t size=pa_vsnprintf(buf, MAX_LOG_STRING, fmt, args);
1.246 misha 111: size=remove_crlf(buf, buf+size);
1.239 paf 112: fwrite(buf, size, 1, f);
113:
1.341 moko 114: if(request_info_4log && request_info_4log->method) {
115: fprintf(f, " [uri=%s, method=%s, cl=%lu]\n", request_info_4log->uri ? request_info_4log->uri : "<unknown>", request_info_4log->method, (unsigned long)request_info_4log->content_length);
1.297 moko 116: } else
117: fputs(" [no request info]\n", f);
1.61 paf 118:
1.362 moko 119: if(f!=stderr)
1.61 paf 120: fclose(f);
1.85 parser 121: else
122: fflush(f);
1.124 parser 123: }
1.272 moko 124:
1.335 moko 125: void pa_log(const char* fmt, ...) {
1.272 moko 126: va_list args;
1.233 paf 127: va_start(args,fmt);
1.335 moko 128: pa_log(fmt, args);
1.233 paf 129: va_end(args);
130: }
1.124 parser 131:
1.322 moko 132: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 133: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 134: va_list args;
1.124 parser 135: va_start(args,fmt);
1.335 moko 136: pa_log(fmt, args);
1.124 parser 137: va_end(args);
138: }
139:
1.290 moko 140: void SAPI::die(const char* fmt, ...) {
141: va_list args;
142:
143: // logging first, first vsnprintf
144: va_start(args,fmt);
1.335 moko 145: pa_log(fmt, args);
1.290 moko 146: va_end(args);
1.138 paf 147:
1.290 moko 148: // inform user, second vsnprintf
149: va_start(args, fmt);
1.299 moko 150: char message[MAX_STRING];
1.380 ! moko 151: pa_vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 152:
1.358 moko 153: SAPI::send_error(sapi_info_4log ? *sapi_info_4log : *sapi_info, message);
1.290 moko 154: exit(1);
1.258 moko 155: // va_end(args);
1.28 paf 156: }
157:
1.358 moko 158: void SAPI::send_error(SAPI_Info& info, const char *exception_cstr, const char *status){
159: info.send_error(exception_cstr, status);
160: }
161:
1.294 moko 162: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
163: return info.get_env(name);
1.218 paf 164: }
165:
1.305 moko 166: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
167: return info.set_env(name, value);
168: }
169:
1.294 moko 170: const char* const *SAPI::Env::get(SAPI_Info& info) {
171: return info.get_env();
1.180 paf 172: }
173:
1.354 moko 174: size_t SAPI::read_post(SAPI_Info& info, char* buf, size_t max_bytes) {
1.294 moko 175: return info.read_post(buf, max_bytes);
1.10 paf 176: }
177:
1.294 moko 178: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
1.358 moko 179: info.add_header(dont_store_key, dont_store_value);
1.19 paf 180: }
181:
1.360 moko 182: void SAPI::send_headers(SAPI_Info& info) {
1.358 moko 183: info.send_headers();
1.30 paf 184: }
1.20 paf 185:
1.360 moko 186: void SAPI::clear_headers(SAPI_Info& info) {
1.361 moko 187: info.clear_headers();
1.360 moko 188: }
189:
1.294 moko 190: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
191: return info.send_body(buf, size);
1.58 paf 192: }
193:
1.354 moko 194: static const char* full_disk_path(const char* file_name = "") {
1.374 moko 195: const char* path=backslashes_to_slashes(file_name);
196: if(path[0]=='/' || is_os_absolute_path(path)) // '/' includes the UNC path //server, as there are no web paths here; C: is left for is_os_absolute_path
197: return path;
1.373 moko 198: char cwd[MAX_STRING];
1.374 moko 199: return pa_strcat(backslashes_to_slashes(getcwd(cwd, MAX_STRING) ? cwd : ""), "/", path);
1.97 parser 200: }
201:
1.218 paf 202: static void log_signal(const char* signal_name) {
1.358 moko 203: pa_log("%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 204: }
205:
1.201 paf 206: #ifdef SIGPIPE
1.243 misha 207: #define SIGPIPE_NAME "SIGPIPE"
208: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 209: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 210: Value* sigpipe=0;
211: if(request)
1.251 misha 212: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 213: if(sigpipe && sigpipe->as_bool())
1.244 misha 214: log_signal(SIGPIPE_NAME);
1.243 misha 215:
1.201 paf 216: if(request)
1.276 moko 217: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 218: }
219: #endif
220:
1.322 moko 221: // requires pa_thread_request() in entry_exists() under Windows
1.354 moko 222: static const char* locate_config(const char* config_filespec_option, const char* executable_path){
1.322 moko 223: filespec_4log=config_filespec_option;
224: if(!filespec_4log)
1.321 moko 225: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 226: if(!filespec_4log)
227: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
228: if(!filespec_4log){
1.373 moko 229: const char* exec_dir_pos = strrchr(executable_path, '/');
1.322 moko 230: #ifdef SYSTEM_CONFIG_FILE
1.353 moko 231: if(exec_dir_pos){
232: #endif
1.374 moko 233: // next to the executable; full path should be used to avoid "parser already configured"
234: filespec_4log=full_disk_path(!exec_dir_pos || (exec_dir_pos==executable_path+1 && *executable_path=='.')
235: ? AUTO_FILE_NAME // parser3 or ./parser3
236: : pa_strcat(pa_strdup(executable_path, exec_dir_pos - executable_path), "/" AUTO_FILE_NAME));
1.353 moko 237: if(entry_exists(filespec_4log))
238: return filespec_4log;
239: #ifdef SYSTEM_CONFIG_FILE
240: }
1.322 moko 241: if(entry_exists(SYSTEM_CONFIG_FILE)){
242: filespec_4log=NULL;
243: return SYSTEM_CONFIG_FILE;
244: }
245: #endif
246: return NULL;
1.321 moko 247: }
1.374 moko 248: // when -f auto.p full path should be used to avoid "parser already configured"
249: return filespec_4log=full_disk_path(filespec_4log);
1.321 moko 250: }
251:
1.227 paf 252: #ifdef WIN32
1.354 moko 253: static const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 254: // 404;http://servername/page[?param=value...]
1.227 paf 255: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
256: // and can consider that as an indication that this is IIS way to report errors
257:
1.272 moko 258: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 259: size_t original_len=strlen(original);
1.272 moko 260: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 261: char* cur=reconstructed;
262: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
263: memcpy(cur, original, 3); cur+=3;
264: *cur++='&';
265:
1.228 paf 266: const char* qmark_at=strchr(original, '?');
1.227 paf 267: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
268: {
1.272 moko 269: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 270: memcpy(cur, original+4, value_len); cur+=value_len;
271: }
272:
273: if(qmark_at) {
274: *cur++='&';
275: strcpy(cur, qmark_at+1/*skip ? itself*/);
276: } else
277: *cur=0;
278:
279: return reconstructed;
280: }
281:
282: return original;
283: }
1.283 moko 284:
285: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.354 moko 286:
1.342 moko 287: #else
1.354 moko 288:
1.283 moko 289: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.354 moko 290:
1.227 paf 291: #endif
292:
1.256 misha 293: class RequestController {
294: public:
295: RequestController(Request* r){
1.341 moko 296: request=r;
1.256 misha 297: }
298: ~RequestController(){
1.341 moko 299: request=0;
300: }
301: };
302:
303: class RequestInfoController {
304: public:
1.358 moko 305: RequestInfoController(Request_info* rinfo, SAPI_Info* sinfo){
1.341 moko 306: request_info_4log=rinfo;
1.358 moko 307: sapi_info_4log=sinfo;
1.341 moko 308: }
309: ~RequestInfoController(){
310: request_info_4log=0;
1.358 moko 311: sapi_info_4log=0;
1.256 misha 312: }
313: };
314:
1.342 moko 315: /** httpd support */
316: static const String httpd_class_name("httpd");
317:
1.317 moko 318: static void config_handler(SAPI_Info &info) {
1.341 moko 319: Request_info request_info;
1.358 moko 320: RequestInfoController ric(&request_info, &info);
1.341 moko 321:
1.373 moko 322: request_info.set_document_root(full_disk_path());
1.317 moko 323: request_info.uri = "";
1.319 moko 324: request_info.argv = argv_extra;
1.317 moko 325:
326: // prepare to process request
1.323 moko 327: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 328: // only once
329: config_filespec = locate_config(config_filespec, parser3_filespec);
330: // process main auto.p only
1.375 moko 331: #ifdef CODE_CACHE
332: Code_cache_manager::start();
333: #endif
1.378 moko 334: r.core(config_filespec, String::Empty);
1.375 moko 335: #ifdef CODE_CACHE
336: Code_cache_manager::finish(r);
337: #endif
1.317 moko 338: }
339:
340: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 341: Request_info request_info;
1.358 moko 342: RequestInfoController ric(&request_info, &info);
1.341 moko 343:
1.325 moko 344: try {
1.336 moko 345: if(!connection.read_header())
1.332 moko 346: return; // ignore "void" connections
1.325 moko 347: info.populate_env();
348:
1.373 moko 349: request_info.set_document_root(full_disk_path());
1.325 moko 350: request_info.path_translated = filespec_to_process;
351: request_info.method = connection.method();
352: request_info.query_string = connection.query();
353: request_info.uri = request_info.strip_absolute_uri(connection.uri());
354: request_info.content_type = connection.content_type();
355: request_info.content_length = (size_t)connection.content_length();
356: request_info.cookie = info.get_env("HTTP_COOKIE");
357: request_info.mail_received = false;
358: request_info.argv = argv_extra;
1.294 moko 359:
1.325 moko 360: // prepare to process request
361: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.379 moko 362: WebSocket websocket(connection);
363: r.websocket=&websocket;
1.330 moko 364: // process the request
1.378 moko 365: r.core(config_filespec, main_method_name, &httpd_class_name);
1.361 moko 366: } catch(const Exception& e) { // exception in connection handling
1.325 moko 367: SAPI::log(info, "%s", e.comment());
1.354 moko 368: const char* status = info.exception_http_status(e.type());
1.358 moko 369: if(*status)
1.337 moko 370: SAPI::send_error(info, e.comment(), status);
1.325 moko 371: }
372: }
1.317 moko 373:
1.328 moko 374: #ifdef _MSC_VER
375: DWORD WINAPI connection_thread(void *arg){
376: #else
1.325 moko 377: static void *connection_thread(void *arg){
1.328 moko 378: #endif
1.325 moko 379: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
380: SAPI_Info_HTTPD info(connection);
1.294 moko 381:
1.325 moko 382: try {
383: connection_handler(info, connection);
384: } catch(const Exception& e) { // exception in send_error
1.358 moko 385: pa_log("%s", e.comment());
1.294 moko 386: }
1.325 moko 387:
388: delete(&connection);
1.328 moko 389: return 0;
1.294 moko 390: }
391:
1.317 moko 392: static void httpd_mode() {
1.358 moko 393: config_handler(*sapi_info);
1.325 moko 394:
1.346 moko 395: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 396:
1.327 moko 397: #ifdef SIGPIPE
1.325 moko 398: signal(SIGPIPE, SIG_IGN);
399: #endif
1.317 moko 400:
1.297 moko 401: while(1){
1.328 moko 402: #ifndef _MSC_VER
1.325 moko 403: pid_t pid=1;
1.343 moko 404: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
405: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 406: #endif
1.303 moko 407: try {
408: HTTPD_Connection connection;
1.345 moko 409: if(!connection.accept(sock, 500))
1.303 moko 410: continue;
411:
1.325 moko 412: switch (HTTPD_Server::mode) {
413: case HTTPD_Server::MULTITHREADED:
1.328 moko 414: #ifdef _MSC_VER
415: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
416: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 417: connection.sock=INVALID_SOCKET;
1.328 moko 418: break;
419: #else
1.339 moko 420: #ifdef HAVE_TLS
1.325 moko 421: pthread_t thread;
422: pthread_attr_t attr;
423: pthread_attr_init(&attr);
424: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
425:
426: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
427: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 428: connection.sock=INVALID_SOCKET;
1.325 moko 429: break;
1.339 moko 430: #endif
1.325 moko 431: case HTTPD_Server::PARALLEL:
432: pid=fork();
433: if(pid<0)
434: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
435: if(pid>0)
436: continue; // parent should close connection.sock as well
437: #endif
438: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 439:
1.325 moko 440: SAPI_Info_HTTPD info(connection);
441: connection_handler(info, connection);
1.303 moko 442: }
443: // closing connection socket in HTTPD_Connection destructor
444: } catch(const Exception& e) { // exception in accept or send_error
1.358 moko 445: pa_log("%s", e.comment());
1.294 moko 446: }
1.325 moko 447:
1.328 moko 448: #ifndef _MSC_VER
1.325 moko 449: if(pid==0) // fork child
450: exit(0);
1.328 moko 451: #endif
1.294 moko 452: }
453: }
1.231 paf 454:
1.294 moko 455: /** main workhorse */
456:
1.316 moko 457: static void real_parser_handler(bool cgi) {
1.280 moko 458: // init libraries
1.218 paf 459: pa_globals_init();
1.294 moko 460:
1.296 moko 461: if(httpd_host_port){
1.308 moko 462: httpd_mode();
1.294 moko 463: }
464:
465: const char* request_method=getenv("REQUEST_METHOD");
466:
1.367 moko 467: if(!filespec_to_process){
1.376 moko 468: SAPI::send_error(*sapi_info, "Parser/" PARSER_VERSION_WITH_FEATURES);
1.367 moko 469: exit(1);
470: }
471:
1.297 moko 472: // global request info
1.341 moko 473: Request_info request_info;
1.358 moko 474: RequestInfoController ric(&request_info, sapi_info);
1.341 moko 475:
1.283 moko 476: request_info.path_translated = filespec_to_process;
477: request_info.method = request_method ? request_method : "GET";
478: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
479:
1.122 parser 480: if(cgi) {
1.284 moko 481: // obligatory
1.218 paf 482: const char* path_info=getenv("PATH_INFO");
1.214 paf 483: if(!path_info)
1.349 moko 484: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 485:
1.373 moko 486: const char* document_root = getenv("DOCUMENT_ROOT");
487: if(!document_root) {
1.285 moko 488: // IIS or fcgiwrap minimalistic setup
489: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
490: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 491: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 492:
1.373 moko 493: document_root = pa_strdup(filespec_to_process, prefix_len);
1.283 moko 494: }
1.373 moko 495: request_info.set_document_root(document_root);
1.214 paf 496:
1.285 moko 497: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 498: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 499: // another obligatory
1.285 moko 500: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 501: if(!script_name)
1.349 moko 502: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 503: /*
504: http://parser3/env.html?123 =OK
505: $request:uri=/env.html?123
506: REQUEST_URI='/env.html?123'
507: SCRIPT_NAME='/cgi-bin/parser3'
508: PATH_INFO='/env.html'
1.285 moko 509:
1.214 paf 510: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
511: $request:uri=/cgi-bin/parser3/env.html?123
512: REQUEST_URI='/cgi-bin/parser3/env.html?123'
513: SCRIPT_NAME='/cgi-bin/parser3'
514: PATH_INFO='/env.html'
515: */
1.285 moko 516: size_t script_name_len = strlen(script_name);
517: size_t uri_len = strlen(request_info.uri);
1.283 moko 518: if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same
1.349 moko 519: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 520: } else { // fcgiwrap minimalistic setup
1.315 moko 521: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 522: }
1.283 moko 523: } else{
1.373 moko 524: request_info.set_document_root(full_disk_path());
1.285 moko 525: request_info.uri = "";
1.283 moko 526: }
1.122 parser 527:
1.283 moko 528: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 529: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 530: request_info.cookie = getenv("HTTP_COOKIE");
531: request_info.mail_received = mail_received;
1.184 paf 532:
1.319 moko 533: request_info.argv = argv_extra;
1.245 misha 534:
1.233 paf 535: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 536: pa_log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s", request_info.method, request_info.uri, request_info.query_string, request_info.document_root, request_info.path_translated);
1.233 paf 537: #endif
538:
1.256 misha 539: {
1.377 moko 540: // prepare to process request
541: Request r(*sapi_info, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.297 moko 542: // initing ::request ptr for signal handlers
1.323 moko 543: RequestController rc(&r);
1.256 misha 544: // process the request
1.378 moko 545: r.core(locate_config(config_filespec, parser3_filespec));
1.303 moko 546: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.377 moko 547: // then the request is destroyed, before the libraries are unloaded: its pool cleanups call them (memcached)
1.122 parser 548: }
1.231 paf 549:
1.280 moko 550: // finalize libraries
1.225 paf 551: pa_globals_done();
1.218 paf 552: }
553:
1.231 paf 554: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 555: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 556: try {
1.316 moko 557: real_parser_handler(cgi);
1.231 paf 558: } catch(const Exception& e) {
559: return e;
1.122 parser 560: }
1.231 paf 561:
562: return Exception();
1.122 parser 563: }
1.272 moko 564:
1.316 moko 565: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 566: Exception parser_exception;
567: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 568:
1.231 paf 569: __try {
1.316 moko 570: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 571: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 572: if(system_exception)
573: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.371 moko 574: throw Exception("system", 0, "0x%08X at %p", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 575: else
1.272 moko 576: throw Exception("system", 0, "<no exception record>");
1.218 paf 577: else
1.272 moko 578: throw Exception("system", 0, "<no exception information>");
1.231 paf 579: }
580:
581: if(parser_exception)
582: throw Exception(parser_exception);
583: }
1.273 moko 584:
585: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
586: #else
587: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 588: #endif
1.131 paf 589:
1.364 moko 590: static void usage(const char* message=NULL) {
591: if(message){
592: fprintf(stderr, message, parser3_filespec);
593: }
594:
1.188 paf 595: printf(
1.235 paf 596: "Parser/%s\n"
1.368 moko 597: "Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)\n"
1.350 moko 598: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 599: "\n"
1.307 moko 600: "Usage: %s [options] [file]\n"
1.184 paf 601: "Options are:\n"
1.185 paf 602: #ifdef WITH_MAILRECEIVE
1.193 paf 603: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 604: #endif
1.193 paf 605: " -f config_file Use this config file (/path/to/auto.p)\n"
1.364 moko 606: " -l log_file Use this log file (/path/to/parser3.log)\n"
1.296 moko 607: " -p [host:]port Start web server on this port\n"
1.272 moko 608: " -h Display usage information (this message)\n",
1.376 moko 609: PARSER_VERSION_WITH_FEATURES,
1.364 moko 610: parser3_filespec ? parser3_filespec : "parser3" );
1.184 paf 611: exit(EINVAL);
612: }
613:
1.364 moko 614: #define ARG_REQUIRED \
615: if(c[1] || !*(++carg)){ \
616: fprintf(stderr, "%s: option '%c' requires an argument\n", parser3_filespec, *c); \
617: usage(); \
618: }
1.294 moko 619:
1.249 misha 620: int main(int argc, char *argv[]) {
1.233 paf 621: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 622: pa_log("main: entry");
1.233 paf 623: #endif
1.217 paf 624:
1.364 moko 625: if(!argc || !argv[0])
626: usage();
1.373 moko 627: parser3_filespec = backslashes_to_slashes(argv[0]);
1.364 moko 628:
1.294 moko 629: umask(2);
630:
631: // were we started as CGI?
1.316 moko 632: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.365 moko 633: if(!cgi){
1.358 moko 634: sapi_info = &sapi_console;
1.365 moko 635: parser3_mode = "console";
636: }
1.294 moko 637:
1.203 paf 638: #ifdef SIGPIPE
1.325 moko 639: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 640: #endif
1.354 moko 641: char* raw_filespec_to_process = NULL;
1.210 paf 642: if(cgi) {
1.184 paf 643: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 644: argv_extra=argv + 1;
1.210 paf 645: } else {
1.364 moko 646: char** carg = argv + 1;
647: for(;*carg; carg++){
648: if((*carg)[0] != '-')
1.184 paf 649: break;
1.245 misha 650:
1.364 moko 651: for(char* c=(*carg)+1; *c; c++){
652: switch (*c) {
1.245 misha 653: case 'h':
1.364 moko 654: usage();
1.245 misha 655: break;
656: case 'f':
1.364 moko 657: ARG_REQUIRED;
658: config_filespec=*carg;
1.245 misha 659: break;
1.362 moko 660: case 'l':
1.364 moko 661: ARG_REQUIRED;
662: log_filespec=*carg;
1.362 moko 663: break;
1.294 moko 664: case 'p':
1.364 moko 665: ARG_REQUIRED;
666: httpd_host_port=*carg;
1.365 moko 667: parser3_mode="httpd";
1.294 moko 668: break;
1.185 paf 669: #ifdef WITH_MAILRECEIVE
1.245 misha 670: case 'm':
671: mail_received=true;
1.365 moko 672: parser3_mode="mail";
1.245 misha 673: break;
674: #endif
675: default:
1.364 moko 676: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, *c);
677: usage();
1.245 misha 678: break;
679: }
1.184 paf 680: }
681: }
1.245 misha 682:
1.364 moko 683: if (*carg) {
684: raw_filespec_to_process=*carg;
1.294 moko 685: } else {
1.364 moko 686: if(!httpd_host_port)
687: usage("%s: file not specified\n");
1.10 paf 688: }
1.294 moko 689:
1.364 moko 690: if (httpd_host_port && mail_received)
691: usage("%s: -p and -m options should not be used together\n");
1.310 moko 692:
1.364 moko 693: argv_extra=carg;
1.10 paf 694: }
695:
1.374 moko 696: // prepare full disk path log_filespec here, as logging must not allocate
697: if(!log_filespec)
698: log_filespec=getenv(PARSER_LOG_ENV_NAME);
699: if(!log_filespec)
700: log_filespec=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
701: if(log_filespec)
702: log_filespec=full_disk_path(log_filespec);
703:
1.264 moko 704: #ifdef _MSC_VER
1.100 parser 705: setmode(fileno(stdin), _O_BINARY);
706: setmode(fileno(stdout), _O_BINARY);
707: setmode(fileno(stderr), _O_BINARY);
708: #endif
709:
1.218 paf 710: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 711: // Get current flag
712: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
713:
714: // Turn on leak-checking bit
715: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
716:
717: // Set flag to the new value
718: _CrtSetDbgFlag( tmpFlag );
1.138 paf 719:
1.218 paf 720: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
721: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 722: #endif
723:
1.318 moko 724: try { // global try
725: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 moko 726: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 727: }
1.10 paf 728:
1.316 moko 729: REAL_PARSER_HANDLER(cgi);
1.361 moko 730: } catch(const Exception& e) { // exception in config_handler
1.359 moko 731: SAPI::log(*sapi_info, "%s", e.comment());
732: SAPI::send_error(*sapi_info, e.comment(), strcmp(e.type(), "file.missing") ? "500" : "404");
1.16 paf 733: }
1.109 parser 734:
1.233 paf 735: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 736: pa_log("main: successful return");
1.233 paf 737: #endif
1.358 moko 738: return sapi_info->http_response_code < 100 ? sapi_info->http_response_code : 0;
1.1 paf 739: }
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