Annotation of parser3/src/targets/cgi/parser3.C, revision 1.357
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.356 moko 4: Copyright (c) 2001-2024 Art. Lebedev Studio (http://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:
1.357 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.356 2024/11/04 03:53:25 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:
1.357 ! moko 49: SAPI_Info_CGI cgi_is_default;
! 50: SAPI_Info *sapiInfo=&cgi_is_default;
! 51:
1.316 moko 52: static const char* filespec_to_process = 0; // [file]
53: static const char* httpd_host_port = 0; // -p option
1.319 moko 54: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.316 moko 55: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.347 moko 56: static const char* parser3_filespec = 0; // argv[0]
1.319 moko 57: static char** argv_extra = NULL;
1.245 misha 58:
1.317 moko 59: // for error logging
1.341 moko 60: static THREAD_LOCAL Request_info *request_info_4log = NULL; // global for correct log() reporting
1.322 moko 61: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 62:
1.352 moko 63: template <typename T> static T *dir_pos(T *fname){
64: T *result=NULL;
1.353 moko 65: while (fname=strpbrk(fname, "/\\")){
66: result=fname;
67: fname++;
1.352 moko 68: }
1.353 moko 69: return result;
1.352 moko 70: }
71:
1.46 paf 72: // SAPI
1.86 parser 73:
1.335 moko 74: static void pa_log(const char* fmt, va_list args) {
1.193 paf 75: bool opened=false;
1.61 paf 76: FILE *f=0;
77:
1.226 paf 78: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
79: if(!log_by_env)
80: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
81: if(log_by_env) {
82: f=fopen(log_by_env, "at");
83: opened=f!=0;
84: }
1.272 moko 85: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 86: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
87: opened=f!=0;
88: #endif
1.226 paf 89:
1.316 moko 90: if(!opened && filespec_4log) {
1.352 moko 91: char log_spec[MAX_STRING + 12 /* '/parser3.log' */];
92: pa_strncpy(log_spec, filespec_4log, MAX_STRING);
93:
1.354 moko 94: if(char* log_dir_pos=dir_pos(log_spec)){
1.352 moko 95: strcpy(log_dir_pos, "/parser3.log");
96: } else {
1.193 paf 97: // no path, just filename
1.352 moko 98: strcpy(log_spec, "./parser3.log");
1.193 paf 99: }
100:
1.352 moko 101: f=fopen(log_spec, "at");
1.193 paf 102: opened=f!=0;
103: }
1.192 paf 104: // fallback to stderr
1.61 paf 105: if(!opened)
106: f=stderr;
1.208 paf 107:
108: // use no memory [so that we could log out-of-memory error]
109: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 110:
111: // prefix
112: time_t t=time(0);
1.218 paf 113: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 114: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 115: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 116: }
1.61 paf 117: // message
1.117 parser 118:
1.246 misha 119: char buf[MAX_LOG_STRING];
120: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
121: size=remove_crlf(buf, buf+size);
1.239 paf 122: fwrite(buf, size, 1, f);
123:
1.341 moko 124: if(request_info_4log && request_info_4log->method) {
125: 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 126: } else
127: fputs(" [no request info]\n", f);
1.61 paf 128:
129: if(opened)
130: fclose(f);
1.85 parser 131: else
132: fflush(f);
1.124 parser 133: }
1.272 moko 134:
1.335 moko 135: void pa_log(const char* fmt, ...) {
1.272 moko 136: va_list args;
1.233 paf 137: va_start(args,fmt);
1.335 moko 138: pa_log(fmt, args);
1.233 paf 139: va_end(args);
140: }
1.124 parser 141:
1.322 moko 142: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 143: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 144: va_list args;
1.124 parser 145: va_start(args,fmt);
1.335 moko 146: pa_log(fmt, args);
1.124 parser 147: va_end(args);
148: }
149:
1.290 moko 150: void SAPI::die(const char* fmt, ...) {
151: va_list args;
152:
153: // logging first, first vsnprintf
154: va_start(args,fmt);
1.335 moko 155: pa_log(fmt, args);
1.290 moko 156: va_end(args);
1.138 paf 157:
1.290 moko 158: // inform user, second vsnprintf
159: va_start(args, fmt);
1.299 moko 160: char message[MAX_STRING];
1.300 moko 161: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 162:
1.299 moko 163: SAPI::send_error(*sapiInfo, message);
1.290 moko 164: exit(1);
1.258 moko 165: // va_end(args);
1.28 paf 166: }
167:
1.294 moko 168: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
169: return info.get_env(name);
1.218 paf 170: }
171:
1.305 moko 172: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
173: return info.set_env(name, value);
174: }
175:
1.294 moko 176: const char* const *SAPI::Env::get(SAPI_Info& info) {
177: return info.get_env();
1.180 paf 178: }
179:
1.354 moko 180: size_t SAPI::read_post(SAPI_Info& info, char* buf, size_t max_bytes) {
1.294 moko 181: return info.read_post(buf, max_bytes);
1.10 paf 182: }
183:
1.294 moko 184: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
185: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 186: }
187:
1.294 moko 188: void SAPI::send_header(SAPI_Info& info) {
189: info.send_header();
1.30 paf 190: }
1.20 paf 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 = "") {
197: char* result;
1.351 moko 198: if(file_name[0]=='/'
1.167 paf 199: #ifdef WIN32
1.308 moko 200: || file_name[0] && file_name[1]==':'
1.167 paf 201: #endif
1.308 moko 202: ){
1.351 moko 203: result=pa_strdup(file_name);
1.308 moko 204: } else {
205: char cwd[MAX_STRING];
1.351 moko 206: result=pa_strcat(getcwd(cwd, MAX_STRING) ? cwd : "", "/", file_name);
1.308 moko 207: }
1.166 paf 208: #ifdef WIN32
1.351 moko 209: back_slashes_to_slashes(result);
1.166 paf 210: #endif
1.351 moko 211: return result;
1.97 parser 212: }
213:
1.218 paf 214: static void log_signal(const char* signal_name) {
1.294 moko 215: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 216: }
217:
1.201 paf 218: #ifdef SIGPIPE
1.243 misha 219: #define SIGPIPE_NAME "SIGPIPE"
220: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 221: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 222: Value* sigpipe=0;
223: if(request)
1.251 misha 224: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 225: if(sigpipe && sigpipe->as_bool())
1.244 misha 226: log_signal(SIGPIPE_NAME);
1.243 misha 227:
1.201 paf 228: if(request)
1.276 moko 229: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 230: }
231: #endif
232:
1.322 moko 233: // requires pa_thread_request() in entry_exists() under Windows
1.354 moko 234: static const char* locate_config(const char* config_filespec_option, const char* executable_path){
1.322 moko 235: filespec_4log=config_filespec_option;
236: if(!filespec_4log)
1.321 moko 237: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 238: if(!filespec_4log)
239: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
240: if(!filespec_4log){
1.354 moko 241: const char* exec_dir_pos = dir_pos(executable_path);
1.322 moko 242: #ifdef SYSTEM_CONFIG_FILE
1.353 moko 243: if(exec_dir_pos){
244: #endif
245: // next to the executable
246: if(!exec_dir_pos || (exec_dir_pos==executable_path+1 && *executable_path=='.')){
1.355 moko 247: // when just parser3 or ./parser3 full path should be used to avoid "parser already configured"
1.353 moko 248: filespec_4log=full_disk_path(AUTO_FILE_NAME);
249: } else {
250: filespec_4log=pa_strcat(pa_strdup(executable_path, exec_dir_pos - executable_path), "/" AUTO_FILE_NAME);
251: }
252: if(entry_exists(filespec_4log))
253: return filespec_4log;
254: #ifdef SYSTEM_CONFIG_FILE
255: }
1.322 moko 256: if(entry_exists(SYSTEM_CONFIG_FILE)){
257: filespec_4log=NULL;
258: return SYSTEM_CONFIG_FILE;
259: }
260: #endif
261: return NULL;
1.321 moko 262: }
263: return filespec_4log;
264: }
265:
1.227 paf 266: #ifdef WIN32
1.354 moko 267: static const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 268: // 404;http://servername/page[?param=value...]
1.227 paf 269: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
270: // and can consider that as an indication that this is IIS way to report errors
271:
1.272 moko 272: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 273: size_t original_len=strlen(original);
1.272 moko 274: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 275: char* cur=reconstructed;
276: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
277: memcpy(cur, original, 3); cur+=3;
278: *cur++='&';
279:
1.228 paf 280: const char* qmark_at=strchr(original, '?');
1.227 paf 281: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
282: {
1.272 moko 283: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 284: memcpy(cur, original+4, value_len); cur+=value_len;
285: }
286:
287: if(qmark_at) {
288: *cur++='&';
289: strcpy(cur, qmark_at+1/*skip ? itself*/);
290: } else
291: *cur=0;
292:
293: return reconstructed;
294: }
295:
296: return original;
297: }
1.283 moko 298:
1.354 moko 299: static const char* maybe_back_slashes_to_slashes(const char* original){
300: char *result=pa_strdup(original);
301: back_slashes_to_slashes(result);
302: return result;
303: }
304:
1.283 moko 305: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.354 moko 306: #define MAYBE_BACK_SLASHES_TO_SLASHES(s) maybe_back_slashes_to_slashes(s)
307:
1.342 moko 308: #else
1.354 moko 309:
1.283 moko 310: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.354 moko 311: #define MAYBE_BACK_SLASHES_TO_SLASHES(s) s
312:
1.227 paf 313: #endif
314:
1.256 misha 315: class RequestController {
316: public:
317: RequestController(Request* r){
1.341 moko 318: request=r;
1.256 misha 319: }
320: ~RequestController(){
1.341 moko 321: request=0;
322: }
323: };
324:
325: class RequestInfoController {
326: public:
327: RequestInfoController(Request_info* rinfo){
328: request_info_4log=rinfo;
329: }
330: ~RequestInfoController(){
331: request_info_4log=0;
1.256 misha 332: }
333: };
334:
1.342 moko 335: /** httpd support */
336: static const String httpd_class_name("httpd");
337:
1.317 moko 338: static void config_handler(SAPI_Info &info) {
1.341 moko 339: Request_info request_info;
340: RequestInfoController ric(&request_info);
341:
1.351 moko 342: request_info.document_root = full_disk_path();
1.317 moko 343: request_info.uri = "";
1.319 moko 344: request_info.argv = argv_extra;
1.317 moko 345:
346: // prepare to process request
1.323 moko 347: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 348: // only once
349: config_filespec = locate_config(config_filespec, parser3_filespec);
350: // process main auto.p only
351: r.core(config_filespec, false, String::Empty);
1.317 moko 352: }
353:
354: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 355: Request_info request_info;
356: RequestInfoController ric(&request_info);
357:
1.325 moko 358: try {
1.336 moko 359: if(!connection.read_header())
1.332 moko 360: return; // ignore "void" connections
1.325 moko 361: info.populate_env();
362:
1.351 moko 363: request_info.document_root = full_disk_path();
1.325 moko 364: request_info.path_translated = filespec_to_process;
365: request_info.method = connection.method();
366: request_info.query_string = connection.query();
367: request_info.uri = request_info.strip_absolute_uri(connection.uri());
368: request_info.content_type = connection.content_type();
369: request_info.content_length = (size_t)connection.content_length();
370: request_info.cookie = info.get_env("HTTP_COOKIE");
371: request_info.mail_received = false;
372: request_info.argv = argv_extra;
1.294 moko 373:
1.325 moko 374: // prepare to process request
375: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 376: // process the request
1.342 moko 377: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.325 moko 378: } catch(const Exception& e) { // exception in connection handling or unhandled exception
379: SAPI::log(info, "%s", e.comment());
1.354 moko 380: const char* status = info.exception_http_status(e.type());
1.338 moko 381: if(*status){
382: info.clear_response_headers();
1.337 moko 383: SAPI::send_error(info, e.comment(), status);
1.338 moko 384: }
1.325 moko 385: }
386: }
1.317 moko 387:
1.328 moko 388: #ifdef _MSC_VER
389: DWORD WINAPI connection_thread(void *arg){
390: #else
1.325 moko 391: static void *connection_thread(void *arg){
1.328 moko 392: #endif
1.325 moko 393: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
394: SAPI_Info_HTTPD info(connection);
1.294 moko 395:
1.325 moko 396: try {
397: connection_handler(info, connection);
398: } catch(const Exception& e) { // exception in send_error
399: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 400: }
1.325 moko 401:
402: delete(&connection);
1.328 moko 403: return 0;
1.294 moko 404: }
405:
1.317 moko 406: static void httpd_mode() {
1.325 moko 407: config_handler(*sapiInfo);
408:
1.346 moko 409: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 410:
1.327 moko 411: #ifdef SIGPIPE
1.325 moko 412: signal(SIGPIPE, SIG_IGN);
413: #endif
1.317 moko 414:
1.297 moko 415: while(1){
1.328 moko 416: #ifndef _MSC_VER
1.325 moko 417: pid_t pid=1;
1.343 moko 418: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
419: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 420: #endif
1.303 moko 421: try {
422: HTTPD_Connection connection;
1.345 moko 423: if(!connection.accept(sock, 500))
1.303 moko 424: continue;
425:
1.325 moko 426: switch (HTTPD_Server::mode) {
427: case HTTPD_Server::MULTITHREADED:
1.328 moko 428: #ifdef _MSC_VER
429: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
430: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 431: connection.sock=INVALID_SOCKET;
1.328 moko 432: break;
433: #else
1.339 moko 434: #ifdef HAVE_TLS
1.325 moko 435: pthread_t thread;
436: pthread_attr_t attr;
437: pthread_attr_init(&attr);
438: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
439:
440: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
441: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 442: connection.sock=INVALID_SOCKET;
1.325 moko 443: break;
1.339 moko 444: #endif
1.325 moko 445: case HTTPD_Server::PARALLEL:
446: pid=fork();
447: if(pid<0)
448: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
449: if(pid>0)
450: continue; // parent should close connection.sock as well
451: #endif
452: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 453:
1.325 moko 454: SAPI_Info_HTTPD info(connection);
455: connection_handler(info, connection);
1.303 moko 456: }
457: // closing connection socket in HTTPD_Connection destructor
458: } catch(const Exception& e) { // exception in accept or send_error
459: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 460: }
1.325 moko 461:
1.328 moko 462: #ifndef _MSC_VER
1.325 moko 463: if(pid==0) // fork child
464: exit(0);
1.328 moko 465: #endif
1.294 moko 466: }
467: }
1.231 paf 468:
1.294 moko 469: /** main workhorse */
470:
1.316 moko 471: static void real_parser_handler(bool cgi) {
1.280 moko 472: // init libraries
1.218 paf 473: pa_globals_init();
1.294 moko 474:
1.296 moko 475: if(httpd_host_port){
1.308 moko 476: httpd_mode();
1.294 moko 477: }
478:
479: const char* request_method=getenv("REQUEST_METHOD");
480:
1.308 moko 481: if(!filespec_to_process)
1.282 moko 482: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 483:
1.297 moko 484: // global request info
1.341 moko 485: Request_info request_info;
486: RequestInfoController ric(&request_info);
487:
1.283 moko 488: request_info.path_translated = filespec_to_process;
489: request_info.method = request_method ? request_method : "GET";
490: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
491:
1.122 parser 492: if(cgi) {
1.284 moko 493: // obligatory
1.218 paf 494: const char* path_info=getenv("PATH_INFO");
1.214 paf 495: if(!path_info)
1.349 moko 496: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 497:
498: request_info.document_root = getenv("DOCUMENT_ROOT");
499: if(!request_info.document_root) {
1.285 moko 500: // IIS or fcgiwrap minimalistic setup
501: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
502: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 503: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 504:
505: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
506: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
507: request_info.document_root = document_root;
1.283 moko 508: }
1.214 paf 509:
1.285 moko 510: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 511: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 512: // another obligatory
1.285 moko 513: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 514: if(!script_name)
1.349 moko 515: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 516: /*
517: http://parser3/env.html?123 =OK
518: $request:uri=/env.html?123
519: REQUEST_URI='/env.html?123'
520: SCRIPT_NAME='/cgi-bin/parser3'
521: PATH_INFO='/env.html'
1.285 moko 522:
1.214 paf 523: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
524: $request:uri=/cgi-bin/parser3/env.html?123
525: REQUEST_URI='/cgi-bin/parser3/env.html?123'
526: SCRIPT_NAME='/cgi-bin/parser3'
527: PATH_INFO='/env.html'
528: */
1.285 moko 529: size_t script_name_len = strlen(script_name);
530: size_t uri_len = strlen(request_info.uri);
1.283 moko 531: 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 532: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 533: } else { // fcgiwrap minimalistic setup
1.315 moko 534: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 535: }
1.283 moko 536: } else{
1.351 moko 537: request_info.document_root = full_disk_path();
1.285 moko 538: request_info.uri = "";
1.283 moko 539: }
1.122 parser 540:
1.283 moko 541: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 542: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 543: request_info.cookie = getenv("HTTP_COOKIE");
544: request_info.mail_received = mail_received;
1.184 paf 545:
1.319 moko 546: request_info.argv = argv_extra;
1.245 misha 547:
1.233 paf 548: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 549: 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 550: #endif
551:
1.122 parser 552: // prepare to process request
1.323 moko 553: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 554: {
1.297 moko 555: // initing ::request ptr for signal handlers
1.323 moko 556: RequestController rc(&r);
1.256 misha 557: // process the request
1.323 moko 558: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 559: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 560: }
1.231 paf 561:
1.280 moko 562: // finalize libraries
1.225 paf 563: pa_globals_done();
1.218 paf 564: }
565:
1.231 paf 566: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 567: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 568: try {
1.316 moko 569: real_parser_handler(cgi);
1.231 paf 570: } catch(const Exception& e) {
571: return e;
1.122 parser 572: }
1.231 paf 573:
574: return Exception();
1.122 parser 575: }
1.272 moko 576:
1.316 moko 577: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 578: Exception parser_exception;
579: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 580:
1.231 paf 581: __try {
1.316 moko 582: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 583: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 584: if(system_exception)
585: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 586: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 587: else
1.272 moko 588: throw Exception("system", 0, "<no exception record>");
1.218 paf 589: else
1.272 moko 590: throw Exception("system", 0, "<no exception information>");
1.231 paf 591: }
592:
593: if(parser_exception)
594: throw Exception(parser_exception);
595: }
1.273 moko 596:
597: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
598: #else
599: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 600: #endif
1.131 paf 601:
1.218 paf 602: static void usage(const char* program) {
1.188 paf 603: printf(
1.235 paf 604: "Parser/%s\n"
1.356 moko 605: "Copyright (c) 2001-2024 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.350 moko 606: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 607: "\n"
1.307 moko 608: "Usage: %s [options] [file]\n"
1.184 paf 609: "Options are:\n"
1.185 paf 610: #ifdef WITH_MAILRECEIVE
1.193 paf 611: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 612: #endif
1.193 paf 613: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 614: " -p [host:]port Start web server on this port\n"
1.272 moko 615: " -h Display usage information (this message)\n",
616: PARSER_VERSION,
1.184 paf 617: program);
618: exit(EINVAL);
619: }
620:
1.294 moko 621:
1.249 misha 622: int main(int argc, char *argv[]) {
1.233 paf 623: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
624: log("main: entry");
625: #endif
1.217 paf 626:
1.354 moko 627: parser3_filespec = argc && argv[0] ? MAYBE_BACK_SLASHES_TO_SLASHES(argv[0]) : "parser3";
1.294 moko 628: umask(2);
629:
630: // were we started as CGI?
1.316 moko 631: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.357 ! moko 632: if(!cgi)
! 633: sapiInfo = new SAPI_Info();
1.294 moko 634:
1.203 paf 635: #ifdef SIGPIPE
1.325 moko 636: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 637: #endif
638:
1.354 moko 639: char* raw_filespec_to_process = NULL;
1.210 paf 640: if(cgi) {
1.184 paf 641: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 642: argv_extra=argv + 1;
1.210 paf 643: } else {
1.250 misha 644: int optind=1;
1.245 misha 645: while(optind < argc){
1.354 moko 646: char* carg = argv[optind];
1.245 misha 647: if(carg[0] != '-')
1.184 paf 648: break;
1.245 misha 649:
650: for(size_t k = 1; k < strlen(carg); k++){
651: char c = carg[k];
652: switch (c) {
653: case 'h':
1.347 moko 654: usage(parser3_filespec);
1.245 misha 655: break;
656: case 'f':
657: if(optind < argc - 1){
658: optind++;
1.311 moko 659: config_filespec=argv[optind];
1.245 misha 660: }
661: break;
1.294 moko 662: case 'p':
663: if(optind < argc - 1){
664: optind++;
1.296 moko 665: httpd_host_port=argv[optind];
1.294 moko 666: }
667: break;
1.185 paf 668: #ifdef WITH_MAILRECEIVE
1.245 misha 669: case 'm':
670: mail_received=true;
671: break;
672: #endif
673: default:
1.347 moko 674: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, c);
675: usage(parser3_filespec);
1.245 misha 676: break;
677: }
1.184 paf 678: }
1.245 misha 679: optind++;
1.184 paf 680: }
1.245 misha 681:
682: if (optind > argc - 1) {
1.296 moko 683: if(!httpd_host_port) {
1.347 moko 684: fprintf(stderr, "%s: file not specified\n", parser3_filespec);
685: usage(parser3_filespec);
1.294 moko 686: }
687: } else {
688: raw_filespec_to_process=argv[optind];
1.10 paf 689: }
1.294 moko 690:
1.296 moko 691: if (httpd_host_port && mail_received) {
1.347 moko 692: fprintf(stderr, "%s: -p and -m options should not be used together\n", parser3_filespec);
693: usage(parser3_filespec);
1.294 moko 694: }
1.310 moko 695:
1.319 moko 696: argv_extra=argv + optind;
1.10 paf 697: }
698:
1.264 moko 699: #ifdef _MSC_VER
1.100 parser 700: setmode(fileno(stdin), _O_BINARY);
701: setmode(fileno(stdout), _O_BINARY);
702: setmode(fileno(stderr), _O_BINARY);
703: #endif
704:
1.218 paf 705: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 706: // Get current flag
707: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
708:
709: // Turn on leak-checking bit
710: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
711:
712: // Set flag to the new value
713: _CrtSetDbgFlag( tmpFlag );
1.138 paf 714:
1.218 paf 715: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
716: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 717: #endif
718:
1.318 moko 719: try { // global try
720: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 moko 721: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 722: }
1.10 paf 723:
1.316 moko 724: REAL_PARSER_HANDLER(cgi);
1.292 moko 725: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 726: SAPI::die("%s", e.comment());
1.16 paf 727: }
1.109 parser 728:
1.233 paf 729: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
730: log("main: successful return");
731: #endif
1.299 moko 732: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 733: }
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