Annotation of parser3/src/targets/cgi/parser3.C, revision 1.373
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:
1.373 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.372 2026/09/29 02:56:52 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"
1.207 paf 20:
1.263 moko 21: #ifdef _MSC_VER
1.264 moko 22: #include <crtdbg.h>
1.263 moko 23: #include <windows.h>
24: #include <direct.h>
1.328 moko 25:
26: extern "C" HANDLE WINAPI GC_CreateThread(LPSECURITY_ATTRIBUTES, DWORD, LPTHREAD_START_ROUTINE, LPVOID, DWORD, LPDWORD);
27:
28: #else
29:
30: extern "C" int GC_pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void * /* arg */);
31:
1.120 parser 32: #endif
33:
1.232 paf 34: // defines
1.231 paf 35:
1.233 paf 36: // comment remove me after debugging
1.362 moko 37: //#define PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 38:
1.278 moko 39: #if defined(_MSC_VER) && !defined(_DEBUG)
1.231 paf 40: # define PA_SUPPRESS_SYSTEM_EXCEPTION
41: #endif
42:
1.109 parser 43: // consts
1.84 parser 44:
1.175 paf 45: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 46: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 47: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 48:
1.358 moko 49: SAPI_Info sapi_console;
50: SAPI_Info_CGI sapi_cgi;
51:
52: static SAPI_Info *sapi_info = &sapi_cgi;
53: static THREAD_LOCAL SAPI_Info *sapi_info_4log = NULL; // global for correct send error in die()
1.357 moko 54:
1.365 moko 55: const char* parser3_mode = "cgi"; // $status:mode
1.316 moko 56: static const char* filespec_to_process = 0; // [file]
57: static const char* httpd_host_port = 0; // -p option
1.319 moko 58: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.362 moko 59: static const char* log_filespec = 0; // -l option
1.316 moko 60: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.347 moko 61: static const char* parser3_filespec = 0; // argv[0]
1.319 moko 62: static char** argv_extra = NULL;
1.245 misha 63:
1.317 moko 64: // for error logging
1.341 moko 65: static THREAD_LOCAL Request_info *request_info_4log = NULL; // global for correct log() reporting
1.322 moko 66: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 67:
1.366 moko 68: const char *parser3_log_filespec() { // $status:log-filename
1.363 moko 69: const char* slog=log_filespec;
1.61 paf 70:
1.363 moko 71: if(!slog)
72: slog=getenv(PARSER_LOG_ENV_NAME);
73: if(!slog)
74: slog=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
1.366 moko 75: if(!slog) {
76: static char log_spec[MAX_STRING + 12 /* '/parser3.log' */];
1.352 moko 77: pa_strncpy(log_spec, filespec_4log, MAX_STRING);
78:
1.369 moko 79: if(char* log_dir_pos=strrpbrk(log_spec, "/\\")){
1.352 moko 80: strcpy(log_dir_pos, "/parser3.log");
81: } else {
1.193 paf 82: // no path, just filename
1.352 moko 83: strcpy(log_spec, "./parser3.log");
1.193 paf 84: }
1.366 moko 85: slog=log_spec;
1.193 paf 86: }
1.366 moko 87: return slog;
88: }
89:
90: // SAPI
91:
92: static void pa_log(const char* fmt, va_list args) {
93: // use no memory [so that we could log out-of-memory error]
94: const char* slog=parser3_log_filespec();
95: FILE *f=strcmp(slog,"-") ? fopen(slog, "at") : stderr;
1.363 moko 96:
1.192 paf 97: // fallback to stderr
1.362 moko 98: if(!f)
1.61 paf 99: f=stderr;
1.208 paf 100:
101: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 102:
103: // prefix
104: time_t t=time(0);
1.218 paf 105: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 106: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 107: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 108: }
1.366 moko 109:
1.61 paf 110: // message
1.246 misha 111: char buf[MAX_LOG_STRING];
112: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
113: size=remove_crlf(buf, buf+size);
1.239 paf 114: fwrite(buf, size, 1, f);
115:
1.341 moko 116: if(request_info_4log && request_info_4log->method) {
117: 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 118: } else
119: fputs(" [no request info]\n", f);
1.61 paf 120:
1.362 moko 121: if(f!=stderr)
1.61 paf 122: fclose(f);
1.85 parser 123: else
124: fflush(f);
1.124 parser 125: }
1.272 moko 126:
1.335 moko 127: void pa_log(const char* fmt, ...) {
1.272 moko 128: va_list args;
1.233 paf 129: va_start(args,fmt);
1.335 moko 130: pa_log(fmt, args);
1.233 paf 131: va_end(args);
132: }
1.124 parser 133:
1.322 moko 134: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 135: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 136: va_list args;
1.124 parser 137: va_start(args,fmt);
1.335 moko 138: pa_log(fmt, args);
1.124 parser 139: va_end(args);
140: }
141:
1.290 moko 142: void SAPI::die(const char* fmt, ...) {
143: va_list args;
144:
145: // logging first, first vsnprintf
146: va_start(args,fmt);
1.335 moko 147: pa_log(fmt, args);
1.290 moko 148: va_end(args);
1.138 paf 149:
1.290 moko 150: // inform user, second vsnprintf
151: va_start(args, fmt);
1.299 moko 152: char message[MAX_STRING];
1.300 moko 153: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 154:
1.358 moko 155: SAPI::send_error(sapi_info_4log ? *sapi_info_4log : *sapi_info, message);
1.290 moko 156: exit(1);
1.258 moko 157: // va_end(args);
1.28 paf 158: }
159:
1.358 moko 160: void SAPI::send_error(SAPI_Info& info, const char *exception_cstr, const char *status){
161: info.send_error(exception_cstr, status);
162: }
163:
1.294 moko 164: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
165: return info.get_env(name);
1.218 paf 166: }
167:
1.305 moko 168: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
169: return info.set_env(name, value);
170: }
171:
1.294 moko 172: const char* const *SAPI::Env::get(SAPI_Info& info) {
173: return info.get_env();
1.180 paf 174: }
175:
1.354 moko 176: size_t SAPI::read_post(SAPI_Info& info, char* buf, size_t max_bytes) {
1.294 moko 177: return info.read_post(buf, max_bytes);
1.10 paf 178: }
179:
1.294 moko 180: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
1.358 moko 181: info.add_header(dont_store_key, dont_store_value);
1.19 paf 182: }
183:
1.360 moko 184: void SAPI::send_headers(SAPI_Info& info) {
1.358 moko 185: info.send_headers();
1.30 paf 186: }
1.20 paf 187:
1.360 moko 188: void SAPI::clear_headers(SAPI_Info& info) {
1.361 moko 189: info.clear_headers();
1.360 moko 190: }
191:
1.294 moko 192: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
193: return info.send_body(buf, size);
1.58 paf 194: }
195:
1.354 moko 196: static const char* full_disk_path(const char* file_name = "") {
1.373 ! moko 197: if(file_name[0]=='/' || is_os_absolute_path(file_name))
! 198: return backslashes_to_slashes(file_name);
! 199: char cwd[MAX_STRING];
! 200: return backslashes_to_slashes(pa_strcat(getcwd(cwd, MAX_STRING) ? cwd : "", "/", file_name));
1.97 parser 201: }
202:
1.218 paf 203: static void log_signal(const char* signal_name) {
1.358 moko 204: pa_log("%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 205: }
206:
1.201 paf 207: #ifdef SIGPIPE
1.243 misha 208: #define SIGPIPE_NAME "SIGPIPE"
209: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 210: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 211: Value* sigpipe=0;
212: if(request)
1.251 misha 213: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 214: if(sigpipe && sigpipe->as_bool())
1.244 misha 215: log_signal(SIGPIPE_NAME);
1.243 misha 216:
1.201 paf 217: if(request)
1.276 moko 218: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 219: }
220: #endif
221:
1.322 moko 222: // requires pa_thread_request() in entry_exists() under Windows
1.354 moko 223: static const char* locate_config(const char* config_filespec_option, const char* executable_path){
1.322 moko 224: filespec_4log=config_filespec_option;
225: if(!filespec_4log)
1.321 moko 226: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 227: if(!filespec_4log)
228: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
229: if(!filespec_4log){
1.373 ! moko 230: const char* exec_dir_pos = strrchr(executable_path, '/');
1.322 moko 231: #ifdef SYSTEM_CONFIG_FILE
1.353 moko 232: if(exec_dir_pos){
233: #endif
234: // next to the executable
235: if(!exec_dir_pos || (exec_dir_pos==executable_path+1 && *executable_path=='.')){
1.355 moko 236: // when just parser3 or ./parser3 full path should be used to avoid "parser already configured"
1.353 moko 237: filespec_4log=full_disk_path(AUTO_FILE_NAME);
238: } else {
239: filespec_4log=pa_strcat(pa_strdup(executable_path, exec_dir_pos - executable_path), "/" AUTO_FILE_NAME);
240: }
241: if(entry_exists(filespec_4log))
242: return filespec_4log;
243: #ifdef SYSTEM_CONFIG_FILE
244: }
1.322 moko 245: if(entry_exists(SYSTEM_CONFIG_FILE)){
246: filespec_4log=NULL;
247: return SYSTEM_CONFIG_FILE;
248: }
249: #endif
250: return NULL;
1.321 moko 251: }
252: return filespec_4log;
253: }
254:
1.227 paf 255: #ifdef WIN32
1.354 moko 256: static const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 257: // 404;http://servername/page[?param=value...]
1.227 paf 258: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
259: // and can consider that as an indication that this is IIS way to report errors
260:
1.272 moko 261: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 262: size_t original_len=strlen(original);
1.272 moko 263: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 264: char* cur=reconstructed;
265: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
266: memcpy(cur, original, 3); cur+=3;
267: *cur++='&';
268:
1.228 paf 269: const char* qmark_at=strchr(original, '?');
1.227 paf 270: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
271: {
1.272 moko 272: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 273: memcpy(cur, original+4, value_len); cur+=value_len;
274: }
275:
276: if(qmark_at) {
277: *cur++='&';
278: strcpy(cur, qmark_at+1/*skip ? itself*/);
279: } else
280: *cur=0;
281:
282: return reconstructed;
283: }
284:
285: return original;
286: }
1.283 moko 287:
288: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.354 moko 289:
1.342 moko 290: #else
1.354 moko 291:
1.283 moko 292: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.354 moko 293:
1.227 paf 294: #endif
295:
1.256 misha 296: class RequestController {
297: public:
298: RequestController(Request* r){
1.341 moko 299: request=r;
1.256 misha 300: }
301: ~RequestController(){
1.341 moko 302: request=0;
303: }
304: };
305:
306: class RequestInfoController {
307: public:
1.358 moko 308: RequestInfoController(Request_info* rinfo, SAPI_Info* sinfo){
1.341 moko 309: request_info_4log=rinfo;
1.358 moko 310: sapi_info_4log=sinfo;
1.341 moko 311: }
312: ~RequestInfoController(){
313: request_info_4log=0;
1.358 moko 314: sapi_info_4log=0;
1.256 misha 315: }
316: };
317:
1.342 moko 318: /** httpd support */
319: static const String httpd_class_name("httpd");
320:
1.317 moko 321: static void config_handler(SAPI_Info &info) {
1.341 moko 322: Request_info request_info;
1.358 moko 323: RequestInfoController ric(&request_info, &info);
1.341 moko 324:
1.373 ! moko 325: request_info.set_document_root(full_disk_path());
1.317 moko 326: request_info.uri = "";
1.319 moko 327: request_info.argv = argv_extra;
1.317 moko 328:
329: // prepare to process request
1.323 moko 330: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 331: // only once
332: config_filespec = locate_config(config_filespec, parser3_filespec);
333: // process main auto.p only
334: r.core(config_filespec, false, String::Empty);
1.317 moko 335: }
336:
337: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 338: Request_info request_info;
1.358 moko 339: RequestInfoController ric(&request_info, &info);
1.341 moko 340:
1.325 moko 341: try {
1.336 moko 342: if(!connection.read_header())
1.332 moko 343: return; // ignore "void" connections
1.325 moko 344: info.populate_env();
345:
1.373 ! moko 346: request_info.set_document_root(full_disk_path());
1.325 moko 347: request_info.path_translated = filespec_to_process;
348: request_info.method = connection.method();
349: request_info.query_string = connection.query();
350: request_info.uri = request_info.strip_absolute_uri(connection.uri());
351: request_info.content_type = connection.content_type();
352: request_info.content_length = (size_t)connection.content_length();
353: request_info.cookie = info.get_env("HTTP_COOKIE");
354: request_info.mail_received = false;
355: request_info.argv = argv_extra;
1.294 moko 356:
1.325 moko 357: // prepare to process request
358: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 359: // process the request
1.342 moko 360: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.361 moko 361: } catch(const Exception& e) { // exception in connection handling
1.325 moko 362: SAPI::log(info, "%s", e.comment());
1.354 moko 363: const char* status = info.exception_http_status(e.type());
1.358 moko 364: if(*status)
1.337 moko 365: SAPI::send_error(info, e.comment(), status);
1.325 moko 366: }
367: }
1.317 moko 368:
1.328 moko 369: #ifdef _MSC_VER
370: DWORD WINAPI connection_thread(void *arg){
371: #else
1.325 moko 372: static void *connection_thread(void *arg){
1.328 moko 373: #endif
1.325 moko 374: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
375: SAPI_Info_HTTPD info(connection);
1.294 moko 376:
1.325 moko 377: try {
378: connection_handler(info, connection);
379: } catch(const Exception& e) { // exception in send_error
1.358 moko 380: pa_log("%s", e.comment());
1.294 moko 381: }
1.325 moko 382:
383: delete(&connection);
1.328 moko 384: return 0;
1.294 moko 385: }
386:
1.317 moko 387: static void httpd_mode() {
1.358 moko 388: config_handler(*sapi_info);
1.325 moko 389:
1.346 moko 390: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 391:
1.327 moko 392: #ifdef SIGPIPE
1.325 moko 393: signal(SIGPIPE, SIG_IGN);
394: #endif
1.317 moko 395:
1.297 moko 396: while(1){
1.328 moko 397: #ifndef _MSC_VER
1.325 moko 398: pid_t pid=1;
1.343 moko 399: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
400: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 401: #endif
1.303 moko 402: try {
403: HTTPD_Connection connection;
1.345 moko 404: if(!connection.accept(sock, 500))
1.303 moko 405: continue;
406:
1.325 moko 407: switch (HTTPD_Server::mode) {
408: case HTTPD_Server::MULTITHREADED:
1.328 moko 409: #ifdef _MSC_VER
410: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
411: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 412: connection.sock=INVALID_SOCKET;
1.328 moko 413: break;
414: #else
1.339 moko 415: #ifdef HAVE_TLS
1.325 moko 416: pthread_t thread;
417: pthread_attr_t attr;
418: pthread_attr_init(&attr);
419: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
420:
421: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
422: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 423: connection.sock=INVALID_SOCKET;
1.325 moko 424: break;
1.339 moko 425: #endif
1.325 moko 426: case HTTPD_Server::PARALLEL:
427: pid=fork();
428: if(pid<0)
429: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
430: if(pid>0)
431: continue; // parent should close connection.sock as well
432: #endif
433: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 434:
1.325 moko 435: SAPI_Info_HTTPD info(connection);
436: connection_handler(info, connection);
1.303 moko 437: }
438: // closing connection socket in HTTPD_Connection destructor
439: } catch(const Exception& e) { // exception in accept or send_error
1.358 moko 440: pa_log("%s", e.comment());
1.294 moko 441: }
1.325 moko 442:
1.328 moko 443: #ifndef _MSC_VER
1.325 moko 444: if(pid==0) // fork child
445: exit(0);
1.328 moko 446: #endif
1.294 moko 447: }
448: }
1.231 paf 449:
1.294 moko 450: /** main workhorse */
451:
1.316 moko 452: static void real_parser_handler(bool cgi) {
1.280 moko 453: // init libraries
1.218 paf 454: pa_globals_init();
1.294 moko 455:
1.296 moko 456: if(httpd_host_port){
1.308 moko 457: httpd_mode();
1.294 moko 458: }
459:
460: const char* request_method=getenv("REQUEST_METHOD");
461:
1.367 moko 462: if(!filespec_to_process){
463: SAPI::send_error(*sapi_info, "Parser/" PARSER_VERSION);
464: exit(1);
465: }
466:
1.297 moko 467: // global request info
1.341 moko 468: Request_info request_info;
1.358 moko 469: RequestInfoController ric(&request_info, sapi_info);
1.341 moko 470:
1.283 moko 471: request_info.path_translated = filespec_to_process;
472: request_info.method = request_method ? request_method : "GET";
473: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
474:
1.122 parser 475: if(cgi) {
1.284 moko 476: // obligatory
1.218 paf 477: const char* path_info=getenv("PATH_INFO");
1.214 paf 478: if(!path_info)
1.349 moko 479: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 480:
1.373 ! moko 481: const char* document_root = getenv("DOCUMENT_ROOT");
! 482: if(!document_root) {
1.285 moko 483: // IIS or fcgiwrap minimalistic setup
484: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
485: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 486: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 487:
1.373 ! moko 488: document_root = pa_strdup(filespec_to_process, prefix_len);
1.283 moko 489: }
1.373 ! moko 490: request_info.set_document_root(document_root);
1.214 paf 491:
1.285 moko 492: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 493: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 494: // another obligatory
1.285 moko 495: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 496: if(!script_name)
1.349 moko 497: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 498: /*
499: http://parser3/env.html?123 =OK
500: $request:uri=/env.html?123
501: REQUEST_URI='/env.html?123'
502: SCRIPT_NAME='/cgi-bin/parser3'
503: PATH_INFO='/env.html'
1.285 moko 504:
1.214 paf 505: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
506: $request:uri=/cgi-bin/parser3/env.html?123
507: REQUEST_URI='/cgi-bin/parser3/env.html?123'
508: SCRIPT_NAME='/cgi-bin/parser3'
509: PATH_INFO='/env.html'
510: */
1.285 moko 511: size_t script_name_len = strlen(script_name);
512: size_t uri_len = strlen(request_info.uri);
1.283 moko 513: 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 514: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 515: } else { // fcgiwrap minimalistic setup
1.315 moko 516: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 517: }
1.283 moko 518: } else{
1.373 ! moko 519: request_info.set_document_root(full_disk_path());
1.285 moko 520: request_info.uri = "";
1.283 moko 521: }
1.122 parser 522:
1.283 moko 523: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 524: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 525: request_info.cookie = getenv("HTTP_COOKIE");
526: request_info.mail_received = mail_received;
1.184 paf 527:
1.319 moko 528: request_info.argv = argv_extra;
1.245 misha 529:
1.233 paf 530: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 531: 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 532: #endif
533:
1.122 parser 534: // prepare to process request
1.358 moko 535: Request r(*sapi_info, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 536: {
1.297 moko 537: // initing ::request ptr for signal handlers
1.323 moko 538: RequestController rc(&r);
1.256 misha 539: // process the request
1.323 moko 540: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 541: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 542: }
1.231 paf 543:
1.280 moko 544: // finalize libraries
1.225 paf 545: pa_globals_done();
1.218 paf 546: }
547:
1.231 paf 548: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 549: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 550: try {
1.316 moko 551: real_parser_handler(cgi);
1.231 paf 552: } catch(const Exception& e) {
553: return e;
1.122 parser 554: }
1.231 paf 555:
556: return Exception();
1.122 parser 557: }
1.272 moko 558:
1.316 moko 559: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 560: Exception parser_exception;
561: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 562:
1.231 paf 563: __try {
1.316 moko 564: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 565: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 566: if(system_exception)
567: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.371 moko 568: throw Exception("system", 0, "0x%08X at %p", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 569: else
1.272 moko 570: throw Exception("system", 0, "<no exception record>");
1.218 paf 571: else
1.272 moko 572: throw Exception("system", 0, "<no exception information>");
1.231 paf 573: }
574:
575: if(parser_exception)
576: throw Exception(parser_exception);
577: }
1.273 moko 578:
579: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
580: #else
581: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 582: #endif
1.131 paf 583:
1.364 moko 584: static void usage(const char* message=NULL) {
585: if(message){
586: fprintf(stderr, message, parser3_filespec);
587: }
588:
1.188 paf 589: printf(
1.235 paf 590: "Parser/%s\n"
1.368 moko 591: "Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)\n"
1.350 moko 592: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 593: "\n"
1.307 moko 594: "Usage: %s [options] [file]\n"
1.184 paf 595: "Options are:\n"
1.185 paf 596: #ifdef WITH_MAILRECEIVE
1.193 paf 597: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 598: #endif
1.193 paf 599: " -f config_file Use this config file (/path/to/auto.p)\n"
1.364 moko 600: " -l log_file Use this log file (/path/to/parser3.log)\n"
1.296 moko 601: " -p [host:]port Start web server on this port\n"
1.272 moko 602: " -h Display usage information (this message)\n",
603: PARSER_VERSION,
1.364 moko 604: parser3_filespec ? parser3_filespec : "parser3" );
1.184 paf 605: exit(EINVAL);
606: }
607:
1.364 moko 608: #define ARG_REQUIRED \
609: if(c[1] || !*(++carg)){ \
610: fprintf(stderr, "%s: option '%c' requires an argument\n", parser3_filespec, *c); \
611: usage(); \
612: }
1.294 moko 613:
1.249 misha 614: int main(int argc, char *argv[]) {
1.233 paf 615: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 616: pa_log("main: entry");
1.233 paf 617: #endif
1.217 paf 618:
1.364 moko 619: if(!argc || !argv[0])
620: usage();
1.373 ! moko 621: parser3_filespec = backslashes_to_slashes(argv[0]);
1.364 moko 622:
1.294 moko 623: umask(2);
624:
625: // were we started as CGI?
1.316 moko 626: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.365 moko 627: if(!cgi){
1.358 moko 628: sapi_info = &sapi_console;
1.365 moko 629: parser3_mode = "console";
630: }
1.294 moko 631:
1.203 paf 632: #ifdef SIGPIPE
1.325 moko 633: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 634: #endif
1.354 moko 635: char* raw_filespec_to_process = NULL;
1.210 paf 636: if(cgi) {
1.184 paf 637: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 638: argv_extra=argv + 1;
1.210 paf 639: } else {
1.364 moko 640: char** carg = argv + 1;
641: for(;*carg; carg++){
642: if((*carg)[0] != '-')
1.184 paf 643: break;
1.245 misha 644:
1.364 moko 645: for(char* c=(*carg)+1; *c; c++){
646: switch (*c) {
1.245 misha 647: case 'h':
1.364 moko 648: usage();
1.245 misha 649: break;
650: case 'f':
1.364 moko 651: ARG_REQUIRED;
652: config_filespec=*carg;
1.245 misha 653: break;
1.362 moko 654: case 'l':
1.364 moko 655: ARG_REQUIRED;
656: log_filespec=*carg;
1.362 moko 657: break;
1.294 moko 658: case 'p':
1.364 moko 659: ARG_REQUIRED;
660: httpd_host_port=*carg;
1.365 moko 661: parser3_mode="httpd";
1.294 moko 662: break;
1.185 paf 663: #ifdef WITH_MAILRECEIVE
1.245 misha 664: case 'm':
665: mail_received=true;
1.365 moko 666: parser3_mode="mail";
1.245 misha 667: break;
668: #endif
669: default:
1.364 moko 670: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, *c);
671: usage();
1.245 misha 672: break;
673: }
1.184 paf 674: }
675: }
1.245 misha 676:
1.364 moko 677: if (*carg) {
678: raw_filespec_to_process=*carg;
1.294 moko 679: } else {
1.364 moko 680: if(!httpd_host_port)
681: usage("%s: file not specified\n");
1.10 paf 682: }
1.294 moko 683:
1.364 moko 684: if (httpd_host_port && mail_received)
685: usage("%s: -p and -m options should not be used together\n");
1.310 moko 686:
1.364 moko 687: argv_extra=carg;
1.10 paf 688: }
689:
1.264 moko 690: #ifdef _MSC_VER
1.100 parser 691: setmode(fileno(stdin), _O_BINARY);
692: setmode(fileno(stdout), _O_BINARY);
693: setmode(fileno(stderr), _O_BINARY);
694: #endif
695:
1.218 paf 696: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 697: // Get current flag
698: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
699:
700: // Turn on leak-checking bit
701: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
702:
703: // Set flag to the new value
704: _CrtSetDbgFlag( tmpFlag );
1.138 paf 705:
1.218 paf 706: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
707: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 708: #endif
709:
1.318 moko 710: try { // global try
711: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 moko 712: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 713: }
1.10 paf 714:
1.316 moko 715: REAL_PARSER_HANDLER(cgi);
1.361 moko 716: } catch(const Exception& e) { // exception in config_handler
1.359 moko 717: SAPI::log(*sapi_info, "%s", e.comment());
718: SAPI::send_error(*sapi_info, e.comment(), strcmp(e.type(), "file.missing") ? "500" : "404");
1.16 paf 719: }
1.109 parser 720:
1.233 paf 721: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.362 moko 722: pa_log("main: successful return");
1.233 paf 723: #endif
1.358 moko 724: return sapi_info->http_response_code < 100 ? sapi_info->http_response_code : 0;
1.1 paf 725: }
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