Annotation of parser3/src/targets/cgi/parser3.C, revision 1.355
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.350 moko 4: Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)
5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.189 paf 6: */
1.27 paf 7:
1.355 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.354 2024/08/26 20:44:14 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
1.288 moko 37: //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log"
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:
1.316 moko 49: static const char* filespec_to_process = 0; // [file]
50: static const char* httpd_host_port = 0; // -p option
1.319 moko 51: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.316 moko 52: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.347 moko 53: static const char* parser3_filespec = 0; // argv[0]
1.319 moko 54: static char** argv_extra = NULL;
1.245 misha 55:
1.317 moko 56: // for error logging
1.341 moko 57: static THREAD_LOCAL Request_info *request_info_4log = NULL; // global for correct log() reporting
1.322 moko 58: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 59:
1.352 moko 60: template <typename T> static T *dir_pos(T *fname){
61: T *result=NULL;
1.353 moko 62: while (fname=strpbrk(fname, "/\\")){
63: result=fname;
64: fname++;
1.352 moko 65: }
1.353 moko 66: return result;
1.352 moko 67: }
68:
1.46 paf 69: // SAPI
1.86 parser 70:
1.335 moko 71: static void pa_log(const char* fmt, va_list args) {
1.193 paf 72: bool opened=false;
1.61 paf 73: FILE *f=0;
74:
1.226 paf 75: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
76: if(!log_by_env)
77: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
78: if(log_by_env) {
79: f=fopen(log_by_env, "at");
80: opened=f!=0;
81: }
1.272 moko 82: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 83: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
84: opened=f!=0;
85: #endif
1.226 paf 86:
1.316 moko 87: if(!opened && filespec_4log) {
1.352 moko 88: char log_spec[MAX_STRING + 12 /* '/parser3.log' */];
89: pa_strncpy(log_spec, filespec_4log, MAX_STRING);
90:
1.354 moko 91: if(char* log_dir_pos=dir_pos(log_spec)){
1.352 moko 92: strcpy(log_dir_pos, "/parser3.log");
93: } else {
1.193 paf 94: // no path, just filename
1.352 moko 95: strcpy(log_spec, "./parser3.log");
1.193 paf 96: }
97:
1.352 moko 98: f=fopen(log_spec, "at");
1.193 paf 99: opened=f!=0;
100: }
1.192 paf 101: // fallback to stderr
1.61 paf 102: if(!opened)
103: f=stderr;
1.208 paf 104:
105: // use no memory [so that we could log out-of-memory error]
106: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 107:
108: // prefix
109: time_t t=time(0);
1.218 paf 110: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 111: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 112: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 113: }
1.61 paf 114: // message
1.117 parser 115:
1.246 misha 116: char buf[MAX_LOG_STRING];
117: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
118: size=remove_crlf(buf, buf+size);
1.239 paf 119: fwrite(buf, size, 1, f);
120:
1.341 moko 121: if(request_info_4log && request_info_4log->method) {
122: 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 123: } else
124: fputs(" [no request info]\n", f);
1.61 paf 125:
126: if(opened)
127: fclose(f);
1.85 parser 128: else
129: fflush(f);
1.124 parser 130: }
1.272 moko 131:
1.335 moko 132: void pa_log(const char* fmt, ...) {
1.272 moko 133: va_list args;
1.233 paf 134: va_start(args,fmt);
1.335 moko 135: pa_log(fmt, args);
1.233 paf 136: va_end(args);
137: }
1.124 parser 138:
1.322 moko 139: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 140: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 141: va_list args;
1.124 parser 142: va_start(args,fmt);
1.335 moko 143: pa_log(fmt, args);
1.124 parser 144: va_end(args);
145: }
146:
1.290 moko 147: void SAPI::die(const char* fmt, ...) {
148: va_list args;
149:
150: // logging first, first vsnprintf
151: va_start(args,fmt);
1.335 moko 152: pa_log(fmt, args);
1.290 moko 153: va_end(args);
1.138 paf 154:
1.290 moko 155: // inform user, second vsnprintf
156: va_start(args, fmt);
1.299 moko 157: char message[MAX_STRING];
1.300 moko 158: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 159:
1.299 moko 160: SAPI::send_error(*sapiInfo, message);
1.290 moko 161: exit(1);
1.258 moko 162: // va_end(args);
1.28 paf 163: }
164:
1.294 moko 165: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
166: return info.get_env(name);
1.218 paf 167: }
168:
1.305 moko 169: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
170: return info.set_env(name, value);
171: }
172:
1.294 moko 173: const char* const *SAPI::Env::get(SAPI_Info& info) {
174: return info.get_env();
1.180 paf 175: }
176:
1.354 moko 177: size_t SAPI::read_post(SAPI_Info& info, char* buf, size_t max_bytes) {
1.294 moko 178: return info.read_post(buf, max_bytes);
1.10 paf 179: }
180:
1.294 moko 181: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
182: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 183: }
184:
1.294 moko 185: void SAPI::send_header(SAPI_Info& info) {
186: info.send_header();
1.30 paf 187: }
1.20 paf 188:
1.294 moko 189: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
190: return info.send_body(buf, size);
1.58 paf 191: }
192:
1.354 moko 193: static const char* full_disk_path(const char* file_name = "") {
194: char* result;
1.351 moko 195: if(file_name[0]=='/'
1.167 paf 196: #ifdef WIN32
1.308 moko 197: || file_name[0] && file_name[1]==':'
1.167 paf 198: #endif
1.308 moko 199: ){
1.351 moko 200: result=pa_strdup(file_name);
1.308 moko 201: } else {
202: char cwd[MAX_STRING];
1.351 moko 203: result=pa_strcat(getcwd(cwd, MAX_STRING) ? cwd : "", "/", file_name);
1.308 moko 204: }
1.166 paf 205: #ifdef WIN32
1.351 moko 206: back_slashes_to_slashes(result);
1.166 paf 207: #endif
1.351 moko 208: return result;
1.97 parser 209: }
210:
1.218 paf 211: static void log_signal(const char* signal_name) {
1.294 moko 212: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 213: }
214:
1.201 paf 215: #ifdef SIGPIPE
1.243 misha 216: #define SIGPIPE_NAME "SIGPIPE"
217: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 218: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 219: Value* sigpipe=0;
220: if(request)
1.251 misha 221: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 222: if(sigpipe && sigpipe->as_bool())
1.244 misha 223: log_signal(SIGPIPE_NAME);
1.243 misha 224:
1.201 paf 225: if(request)
1.276 moko 226: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 227: }
228: #endif
229:
1.322 moko 230: // requires pa_thread_request() in entry_exists() under Windows
1.354 moko 231: static const char* locate_config(const char* config_filespec_option, const char* executable_path){
1.322 moko 232: filespec_4log=config_filespec_option;
233: if(!filespec_4log)
1.321 moko 234: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 235: if(!filespec_4log)
236: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
237: if(!filespec_4log){
1.354 moko 238: const char* exec_dir_pos = dir_pos(executable_path);
1.322 moko 239: #ifdef SYSTEM_CONFIG_FILE
1.353 moko 240: if(exec_dir_pos){
241: #endif
242: // next to the executable
243: if(!exec_dir_pos || (exec_dir_pos==executable_path+1 && *executable_path=='.')){
1.355 ! moko 244: // when just parser3 or ./parser3 full path should be used to avoid "parser already configured"
1.353 moko 245: filespec_4log=full_disk_path(AUTO_FILE_NAME);
246: } else {
247: filespec_4log=pa_strcat(pa_strdup(executable_path, exec_dir_pos - executable_path), "/" AUTO_FILE_NAME);
248: }
249: if(entry_exists(filespec_4log))
250: return filespec_4log;
251: #ifdef SYSTEM_CONFIG_FILE
252: }
1.322 moko 253: if(entry_exists(SYSTEM_CONFIG_FILE)){
254: filespec_4log=NULL;
255: return SYSTEM_CONFIG_FILE;
256: }
257: #endif
258: return NULL;
1.321 moko 259: }
260: return filespec_4log;
261: }
262:
1.227 paf 263: #ifdef WIN32
1.354 moko 264: static const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 265: // 404;http://servername/page[?param=value...]
1.227 paf 266: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
267: // and can consider that as an indication that this is IIS way to report errors
268:
1.272 moko 269: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 270: size_t original_len=strlen(original);
1.272 moko 271: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 272: char* cur=reconstructed;
273: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
274: memcpy(cur, original, 3); cur+=3;
275: *cur++='&';
276:
1.228 paf 277: const char* qmark_at=strchr(original, '?');
1.227 paf 278: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
279: {
1.272 moko 280: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 281: memcpy(cur, original+4, value_len); cur+=value_len;
282: }
283:
284: if(qmark_at) {
285: *cur++='&';
286: strcpy(cur, qmark_at+1/*skip ? itself*/);
287: } else
288: *cur=0;
289:
290: return reconstructed;
291: }
292:
293: return original;
294: }
1.283 moko 295:
1.354 moko 296: static const char* maybe_back_slashes_to_slashes(const char* original){
297: char *result=pa_strdup(original);
298: back_slashes_to_slashes(result);
299: return result;
300: }
301:
1.283 moko 302: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.354 moko 303: #define MAYBE_BACK_SLASHES_TO_SLASHES(s) maybe_back_slashes_to_slashes(s)
304:
1.342 moko 305: #else
1.354 moko 306:
1.283 moko 307: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.354 moko 308: #define MAYBE_BACK_SLASHES_TO_SLASHES(s) s
309:
1.227 paf 310: #endif
311:
1.256 misha 312: class RequestController {
313: public:
314: RequestController(Request* r){
1.341 moko 315: request=r;
1.256 misha 316: }
317: ~RequestController(){
1.341 moko 318: request=0;
319: }
320: };
321:
322: class RequestInfoController {
323: public:
324: RequestInfoController(Request_info* rinfo){
325: request_info_4log=rinfo;
326: }
327: ~RequestInfoController(){
328: request_info_4log=0;
1.256 misha 329: }
330: };
331:
1.342 moko 332: /** httpd support */
333: static const String httpd_class_name("httpd");
334:
1.317 moko 335: static void config_handler(SAPI_Info &info) {
1.341 moko 336: Request_info request_info;
337: RequestInfoController ric(&request_info);
338:
1.351 moko 339: request_info.document_root = full_disk_path();
1.317 moko 340: request_info.uri = "";
1.319 moko 341: request_info.argv = argv_extra;
1.317 moko 342:
343: // prepare to process request
1.323 moko 344: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 345: // only once
346: config_filespec = locate_config(config_filespec, parser3_filespec);
347: // process main auto.p only
348: r.core(config_filespec, false, String::Empty);
1.317 moko 349: }
350:
351: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 352: Request_info request_info;
353: RequestInfoController ric(&request_info);
354:
1.325 moko 355: try {
1.336 moko 356: if(!connection.read_header())
1.332 moko 357: return; // ignore "void" connections
1.325 moko 358: info.populate_env();
359:
1.351 moko 360: request_info.document_root = full_disk_path();
1.325 moko 361: request_info.path_translated = filespec_to_process;
362: request_info.method = connection.method();
363: request_info.query_string = connection.query();
364: request_info.uri = request_info.strip_absolute_uri(connection.uri());
365: request_info.content_type = connection.content_type();
366: request_info.content_length = (size_t)connection.content_length();
367: request_info.cookie = info.get_env("HTTP_COOKIE");
368: request_info.mail_received = false;
369: request_info.argv = argv_extra;
1.294 moko 370:
1.325 moko 371: // prepare to process request
372: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 373: // process the request
1.342 moko 374: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.325 moko 375: } catch(const Exception& e) { // exception in connection handling or unhandled exception
376: SAPI::log(info, "%s", e.comment());
1.354 moko 377: const char* status = info.exception_http_status(e.type());
1.338 moko 378: if(*status){
379: info.clear_response_headers();
1.337 moko 380: SAPI::send_error(info, e.comment(), status);
1.338 moko 381: }
1.325 moko 382: }
383: }
1.317 moko 384:
1.328 moko 385: #ifdef _MSC_VER
386: DWORD WINAPI connection_thread(void *arg){
387: #else
1.325 moko 388: static void *connection_thread(void *arg){
1.328 moko 389: #endif
1.325 moko 390: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
391: SAPI_Info_HTTPD info(connection);
1.294 moko 392:
1.325 moko 393: try {
394: connection_handler(info, connection);
395: } catch(const Exception& e) { // exception in send_error
396: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 397: }
1.325 moko 398:
399: delete(&connection);
1.328 moko 400: return 0;
1.294 moko 401: }
402:
1.317 moko 403: static void httpd_mode() {
1.325 moko 404: config_handler(*sapiInfo);
405:
1.346 moko 406: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 407:
1.327 moko 408: #ifdef SIGPIPE
1.325 moko 409: signal(SIGPIPE, SIG_IGN);
410: #endif
1.317 moko 411:
1.297 moko 412: while(1){
1.328 moko 413: #ifndef _MSC_VER
1.325 moko 414: pid_t pid=1;
1.343 moko 415: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
416: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 417: #endif
1.303 moko 418: try {
419: HTTPD_Connection connection;
1.345 moko 420: if(!connection.accept(sock, 500))
1.303 moko 421: continue;
422:
1.325 moko 423: switch (HTTPD_Server::mode) {
424: case HTTPD_Server::MULTITHREADED:
1.328 moko 425: #ifdef _MSC_VER
426: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
427: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 428: connection.sock=INVALID_SOCKET;
1.328 moko 429: break;
430: #else
1.339 moko 431: #ifdef HAVE_TLS
1.325 moko 432: pthread_t thread;
433: pthread_attr_t attr;
434: pthread_attr_init(&attr);
435: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
436:
437: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
438: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 439: connection.sock=INVALID_SOCKET;
1.325 moko 440: break;
1.339 moko 441: #endif
1.325 moko 442: case HTTPD_Server::PARALLEL:
443: pid=fork();
444: if(pid<0)
445: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
446: if(pid>0)
447: continue; // parent should close connection.sock as well
448: #endif
449: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 450:
1.325 moko 451: SAPI_Info_HTTPD info(connection);
452: connection_handler(info, connection);
1.303 moko 453: }
454: // closing connection socket in HTTPD_Connection destructor
455: } catch(const Exception& e) { // exception in accept or send_error
456: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 457: }
1.325 moko 458:
1.328 moko 459: #ifndef _MSC_VER
1.325 moko 460: if(pid==0) // fork child
461: exit(0);
1.328 moko 462: #endif
1.294 moko 463: }
464: }
1.231 paf 465:
1.294 moko 466: /** main workhorse */
467:
1.316 moko 468: static void real_parser_handler(bool cgi) {
1.280 moko 469: // init libraries
1.218 paf 470: pa_globals_init();
1.294 moko 471:
1.296 moko 472: if(httpd_host_port){
1.308 moko 473: httpd_mode();
1.294 moko 474: }
475:
476: const char* request_method=getenv("REQUEST_METHOD");
477:
1.308 moko 478: if(!filespec_to_process)
1.282 moko 479: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 480:
1.297 moko 481: // global request info
1.341 moko 482: Request_info request_info;
483: RequestInfoController ric(&request_info);
484:
1.283 moko 485: request_info.path_translated = filespec_to_process;
486: request_info.method = request_method ? request_method : "GET";
487: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
488:
1.122 parser 489: if(cgi) {
1.284 moko 490: // obligatory
1.218 paf 491: const char* path_info=getenv("PATH_INFO");
1.214 paf 492: if(!path_info)
1.349 moko 493: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 494:
495: request_info.document_root = getenv("DOCUMENT_ROOT");
496: if(!request_info.document_root) {
1.285 moko 497: // IIS or fcgiwrap minimalistic setup
498: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
499: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 500: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 501:
502: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
503: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
504: request_info.document_root = document_root;
1.283 moko 505: }
1.214 paf 506:
1.285 moko 507: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 508: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 509: // another obligatory
1.285 moko 510: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 511: if(!script_name)
1.349 moko 512: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 513: /*
514: http://parser3/env.html?123 =OK
515: $request:uri=/env.html?123
516: REQUEST_URI='/env.html?123'
517: SCRIPT_NAME='/cgi-bin/parser3'
518: PATH_INFO='/env.html'
1.285 moko 519:
1.214 paf 520: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
521: $request:uri=/cgi-bin/parser3/env.html?123
522: REQUEST_URI='/cgi-bin/parser3/env.html?123'
523: SCRIPT_NAME='/cgi-bin/parser3'
524: PATH_INFO='/env.html'
525: */
1.285 moko 526: size_t script_name_len = strlen(script_name);
527: size_t uri_len = strlen(request_info.uri);
1.283 moko 528: 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 529: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 530: } else { // fcgiwrap minimalistic setup
1.315 moko 531: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 532: }
1.283 moko 533: } else{
1.351 moko 534: request_info.document_root = full_disk_path();
1.285 moko 535: request_info.uri = "";
1.283 moko 536: }
1.122 parser 537:
1.283 moko 538: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 539: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 540: request_info.cookie = getenv("HTTP_COOKIE");
541: request_info.mail_received = mail_received;
1.184 paf 542:
1.319 moko 543: request_info.argv = argv_extra;
1.245 misha 544:
1.233 paf 545: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 546: 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 547: #endif
548:
1.122 parser 549: // prepare to process request
1.323 moko 550: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 551: {
1.297 moko 552: // initing ::request ptr for signal handlers
1.323 moko 553: RequestController rc(&r);
1.256 misha 554: // process the request
1.323 moko 555: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 556: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 557: }
1.231 paf 558:
1.280 moko 559: // finalize libraries
1.225 paf 560: pa_globals_done();
1.218 paf 561: }
562:
1.231 paf 563: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 564: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 565: try {
1.316 moko 566: real_parser_handler(cgi);
1.231 paf 567: } catch(const Exception& e) {
568: return e;
1.122 parser 569: }
1.231 paf 570:
571: return Exception();
1.122 parser 572: }
1.272 moko 573:
1.316 moko 574: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 575: Exception parser_exception;
576: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 577:
1.231 paf 578: __try {
1.316 moko 579: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 580: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 581: if(system_exception)
582: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 583: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 584: else
1.272 moko 585: throw Exception("system", 0, "<no exception record>");
1.218 paf 586: else
1.272 moko 587: throw Exception("system", 0, "<no exception information>");
1.231 paf 588: }
589:
590: if(parser_exception)
591: throw Exception(parser_exception);
592: }
1.273 moko 593:
594: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
595: #else
596: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 597: #endif
1.131 paf 598:
1.218 paf 599: static void usage(const char* program) {
1.188 paf 600: printf(
1.235 paf 601: "Parser/%s\n"
1.350 moko 602: "Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)\n"
603: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 604: "\n"
1.307 moko 605: "Usage: %s [options] [file]\n"
1.184 paf 606: "Options are:\n"
1.185 paf 607: #ifdef WITH_MAILRECEIVE
1.193 paf 608: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 609: #endif
1.193 paf 610: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 611: " -p [host:]port Start web server on this port\n"
1.272 moko 612: " -h Display usage information (this message)\n",
613: PARSER_VERSION,
1.184 paf 614: program);
615: exit(EINVAL);
616: }
617:
1.294 moko 618:
1.249 misha 619: int main(int argc, char *argv[]) {
1.233 paf 620: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
621: log("main: entry");
622: #endif
1.217 paf 623:
1.354 moko 624: parser3_filespec = argc && argv[0] ? MAYBE_BACK_SLASHES_TO_SLASHES(argv[0]) : "parser3";
1.294 moko 625: umask(2);
626:
627: // were we started as CGI?
1.316 moko 628: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 629: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
630:
1.203 paf 631: #ifdef SIGPIPE
1.325 moko 632: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 633: #endif
634:
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 {
1.250 misha 640: int optind=1;
1.245 misha 641: while(optind < argc){
1.354 moko 642: char* carg = argv[optind];
1.245 misha 643: if(carg[0] != '-')
1.184 paf 644: break;
1.245 misha 645:
646: for(size_t k = 1; k < strlen(carg); k++){
647: char c = carg[k];
648: switch (c) {
649: case 'h':
1.347 moko 650: usage(parser3_filespec);
1.245 misha 651: break;
652: case 'f':
653: if(optind < argc - 1){
654: optind++;
1.311 moko 655: config_filespec=argv[optind];
1.245 misha 656: }
657: break;
1.294 moko 658: case 'p':
659: if(optind < argc - 1){
660: optind++;
1.296 moko 661: httpd_host_port=argv[optind];
1.294 moko 662: }
663: break;
1.185 paf 664: #ifdef WITH_MAILRECEIVE
1.245 misha 665: case 'm':
666: mail_received=true;
667: break;
668: #endif
669: default:
1.347 moko 670: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, c);
671: usage(parser3_filespec);
1.245 misha 672: break;
673: }
1.184 paf 674: }
1.245 misha 675: optind++;
1.184 paf 676: }
1.245 misha 677:
678: if (optind > argc - 1) {
1.296 moko 679: if(!httpd_host_port) {
1.347 moko 680: fprintf(stderr, "%s: file not specified\n", parser3_filespec);
681: usage(parser3_filespec);
1.294 moko 682: }
683: } else {
684: raw_filespec_to_process=argv[optind];
1.10 paf 685: }
1.294 moko 686:
1.296 moko 687: if (httpd_host_port && mail_received) {
1.347 moko 688: fprintf(stderr, "%s: -p and -m options should not be used together\n", parser3_filespec);
689: usage(parser3_filespec);
1.294 moko 690: }
1.310 moko 691:
1.319 moko 692: argv_extra=argv + optind;
1.10 paf 693: }
694:
1.264 moko 695: #ifdef _MSC_VER
1.100 parser 696: setmode(fileno(stdin), _O_BINARY);
697: setmode(fileno(stdout), _O_BINARY);
698: setmode(fileno(stderr), _O_BINARY);
699: #endif
700:
1.218 paf 701: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 702: // Get current flag
703: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
704:
705: // Turn on leak-checking bit
706: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
707:
708: // Set flag to the new value
709: _CrtSetDbgFlag( tmpFlag );
1.138 paf 710:
1.218 paf 711: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
712: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 713: #endif
714:
1.318 moko 715: try { // global try
716: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 moko 717: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 718: }
1.10 paf 719:
1.316 moko 720: REAL_PARSER_HANDLER(cgi);
1.292 moko 721: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 722: SAPI::die("%s", e.comment());
1.16 paf 723: }
1.109 parser 724:
1.233 paf 725: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
726: log("main: successful return");
727: #endif
1.299 moko 728: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 729: }
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