Annotation of parser3/src/targets/cgi/parser3.C, revision 1.352
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:
1.352 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.351 2024/08/25 13:36:55 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 *pos=fname;
! 62: T *result=NULL;
! 63: while (pos=strpbrk(pos, "/\\")){
! 64: result=pos;
! 65: pos++;
! 66: }
! 67: return !result || (result==fname+1 && *fname=='.') ? NULL : result;
! 68: }
! 69:
1.46 paf 70: // SAPI
1.86 parser 71:
1.335 moko 72: static void pa_log(const char* fmt, va_list args) {
1.193 paf 73: bool opened=false;
1.61 paf 74: FILE *f=0;
75:
1.226 paf 76: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
77: if(!log_by_env)
78: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
79: if(log_by_env) {
80: f=fopen(log_by_env, "at");
81: opened=f!=0;
82: }
1.272 moko 83: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 84: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
85: opened=f!=0;
86: #endif
1.226 paf 87:
1.316 moko 88: if(!opened && filespec_4log) {
1.352 ! moko 89: char log_spec[MAX_STRING + 12 /* '/parser3.log' */];
! 90: pa_strncpy(log_spec, filespec_4log, MAX_STRING);
! 91:
! 92: if(char *log_dir_pos=dir_pos(log_spec)){
! 93: strcpy(log_dir_pos, "/parser3.log");
! 94: } else {
1.193 paf 95: // no path, just filename
1.352 ! moko 96: strcpy(log_spec, "./parser3.log");
1.193 paf 97: }
98:
1.352 ! moko 99: f=fopen(log_spec, "at");
1.193 paf 100: opened=f!=0;
101: }
1.192 paf 102: // fallback to stderr
1.61 paf 103: if(!opened)
104: f=stderr;
1.208 paf 105:
106: // use no memory [so that we could log out-of-memory error]
107: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 108:
109: // prefix
110: time_t t=time(0);
1.218 paf 111: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 112: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 113: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 114: }
1.61 paf 115: // message
1.117 parser 116:
1.246 misha 117: char buf[MAX_LOG_STRING];
118: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
119: size=remove_crlf(buf, buf+size);
1.239 paf 120: fwrite(buf, size, 1, f);
121:
1.341 moko 122: if(request_info_4log && request_info_4log->method) {
123: 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 124: } else
125: fputs(" [no request info]\n", f);
1.61 paf 126:
127: if(opened)
128: fclose(f);
1.85 parser 129: else
130: fflush(f);
1.124 parser 131: }
1.272 moko 132:
1.335 moko 133: void pa_log(const char* fmt, ...) {
1.272 moko 134: va_list args;
1.233 paf 135: va_start(args,fmt);
1.335 moko 136: pa_log(fmt, args);
1.233 paf 137: va_end(args);
138: }
1.124 parser 139:
1.322 moko 140: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 141: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 142: va_list args;
1.124 parser 143: va_start(args,fmt);
1.335 moko 144: pa_log(fmt, args);
1.124 parser 145: va_end(args);
146: }
147:
1.290 moko 148: void SAPI::die(const char* fmt, ...) {
149: va_list args;
150:
151: // logging first, first vsnprintf
152: va_start(args,fmt);
1.335 moko 153: pa_log(fmt, args);
1.290 moko 154: va_end(args);
1.138 paf 155:
1.290 moko 156: // inform user, second vsnprintf
157: va_start(args, fmt);
1.299 moko 158: char message[MAX_STRING];
1.300 moko 159: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 160:
1.299 moko 161: SAPI::send_error(*sapiInfo, message);
1.290 moko 162: exit(1);
1.258 moko 163: // va_end(args);
1.28 paf 164: }
165:
1.294 moko 166: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
167: return info.get_env(name);
1.218 paf 168: }
169:
1.305 moko 170: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
171: return info.set_env(name, value);
172: }
173:
1.294 moko 174: const char* const *SAPI::Env::get(SAPI_Info& info) {
175: return info.get_env();
1.180 paf 176: }
177:
1.294 moko 178: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
179: return info.read_post(buf, max_bytes);
1.10 paf 180: }
181:
1.294 moko 182: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
183: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 184: }
185:
1.294 moko 186: void SAPI::send_header(SAPI_Info& info) {
187: info.send_header();
1.30 paf 188: }
1.20 paf 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:
1.352 ! moko 194: static const char *full_disk_path(const char* file_name = "") {
1.351 moko 195: char *result;
196: if(file_name[0]=='/'
1.167 paf 197: #ifdef WIN32
1.308 moko 198: || file_name[0] && file_name[1]==':'
1.167 paf 199: #endif
1.308 moko 200: ){
1.351 moko 201: result=pa_strdup(file_name);
1.308 moko 202: } else {
203: char cwd[MAX_STRING];
1.351 moko 204: result=pa_strcat(getcwd(cwd, MAX_STRING) ? cwd : "", "/", file_name);
1.308 moko 205: }
1.166 paf 206: #ifdef WIN32
1.351 moko 207: back_slashes_to_slashes(result);
1.166 paf 208: #endif
1.351 moko 209: return result;
1.97 parser 210: }
211:
1.218 paf 212: static void log_signal(const char* signal_name) {
1.294 moko 213: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 214: }
215:
1.201 paf 216: #ifdef SIGPIPE
1.243 misha 217: #define SIGPIPE_NAME "SIGPIPE"
218: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 219: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 220: Value* sigpipe=0;
221: if(request)
1.251 misha 222: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 223: if(sigpipe && sigpipe->as_bool())
1.244 misha 224: log_signal(SIGPIPE_NAME);
1.243 misha 225:
1.201 paf 226: if(request)
1.276 moko 227: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 228: }
229: #endif
230:
1.322 moko 231: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 232: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 233: filespec_4log=config_filespec_option;
234: if(!filespec_4log)
1.321 moko 235: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 236: if(!filespec_4log)
237: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
238: if(!filespec_4log){
1.321 moko 239: // next to the executable
1.352 ! moko 240: const char *exec_dir_pos = dir_pos(executable_path);
! 241: filespec_4log = exec_dir_pos ? pa_strcat(pa_strdup(executable_path, exec_dir_pos - executable_path), "/" AUTO_FILE_NAME) : full_disk_path(AUTO_FILE_NAME);
1.322 moko 242: if(entry_exists(filespec_4log))
243: return filespec_4log;
244: #ifdef SYSTEM_CONFIG_FILE
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
1.292 moko 256: 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)
1.342 moko 289: #else
1.283 moko 290: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
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:
305: RequestInfoController(Request_info* rinfo){
306: request_info_4log=rinfo;
307: }
308: ~RequestInfoController(){
309: request_info_4log=0;
1.256 misha 310: }
311: };
312:
1.342 moko 313: /** httpd support */
314: static const String httpd_class_name("httpd");
315:
1.317 moko 316: static void config_handler(SAPI_Info &info) {
1.341 moko 317: Request_info request_info;
318: RequestInfoController ric(&request_info);
319:
1.351 moko 320: request_info.document_root = full_disk_path();
1.317 moko 321: request_info.uri = "";
1.319 moko 322: request_info.argv = argv_extra;
1.317 moko 323:
324: // prepare to process request
1.323 moko 325: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 326: // only once
327: config_filespec = locate_config(config_filespec, parser3_filespec);
328: // process main auto.p only
329: r.core(config_filespec, false, String::Empty);
1.317 moko 330: }
331:
332: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 333: Request_info request_info;
334: RequestInfoController ric(&request_info);
335:
1.325 moko 336: try {
1.336 moko 337: if(!connection.read_header())
1.332 moko 338: return; // ignore "void" connections
1.325 moko 339: info.populate_env();
340:
1.351 moko 341: request_info.document_root = full_disk_path();
1.325 moko 342: request_info.path_translated = filespec_to_process;
343: request_info.method = connection.method();
344: request_info.query_string = connection.query();
345: request_info.uri = request_info.strip_absolute_uri(connection.uri());
346: request_info.content_type = connection.content_type();
347: request_info.content_length = (size_t)connection.content_length();
348: request_info.cookie = info.get_env("HTTP_COOKIE");
349: request_info.mail_received = false;
350: request_info.argv = argv_extra;
1.294 moko 351:
1.325 moko 352: // prepare to process request
353: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 354: // process the request
1.342 moko 355: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.325 moko 356: } catch(const Exception& e) { // exception in connection handling or unhandled exception
357: SAPI::log(info, "%s", e.comment());
1.337 moko 358: const char *status = info.exception_http_status(e.type());
1.338 moko 359: if(*status){
360: info.clear_response_headers();
1.337 moko 361: SAPI::send_error(info, e.comment(), status);
1.338 moko 362: }
1.325 moko 363: }
364: }
1.317 moko 365:
1.328 moko 366: #ifdef _MSC_VER
367: DWORD WINAPI connection_thread(void *arg){
368: #else
1.325 moko 369: static void *connection_thread(void *arg){
1.328 moko 370: #endif
1.325 moko 371: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
372: SAPI_Info_HTTPD info(connection);
1.294 moko 373:
1.325 moko 374: try {
375: connection_handler(info, connection);
376: } catch(const Exception& e) { // exception in send_error
377: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 378: }
1.325 moko 379:
380: delete(&connection);
1.328 moko 381: return 0;
1.294 moko 382: }
383:
1.317 moko 384: static void httpd_mode() {
1.325 moko 385: config_handler(*sapiInfo);
386:
1.346 moko 387: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 388:
1.327 moko 389: #ifdef SIGPIPE
1.325 moko 390: signal(SIGPIPE, SIG_IGN);
391: #endif
1.317 moko 392:
1.297 moko 393: while(1){
1.328 moko 394: #ifndef _MSC_VER
1.325 moko 395: pid_t pid=1;
1.343 moko 396: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
397: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 398: #endif
1.303 moko 399: try {
400: HTTPD_Connection connection;
1.345 moko 401: if(!connection.accept(sock, 500))
1.303 moko 402: continue;
403:
1.325 moko 404: switch (HTTPD_Server::mode) {
405: case HTTPD_Server::MULTITHREADED:
1.328 moko 406: #ifdef _MSC_VER
407: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
408: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 409: connection.sock=INVALID_SOCKET;
1.328 moko 410: break;
411: #else
1.339 moko 412: #ifdef HAVE_TLS
1.325 moko 413: pthread_t thread;
414: pthread_attr_t attr;
415: pthread_attr_init(&attr);
416: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
417:
418: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
419: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 420: connection.sock=INVALID_SOCKET;
1.325 moko 421: break;
1.339 moko 422: #endif
1.325 moko 423: case HTTPD_Server::PARALLEL:
424: pid=fork();
425: if(pid<0)
426: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
427: if(pid>0)
428: continue; // parent should close connection.sock as well
429: #endif
430: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 431:
1.325 moko 432: SAPI_Info_HTTPD info(connection);
433: connection_handler(info, connection);
1.303 moko 434: }
435: // closing connection socket in HTTPD_Connection destructor
436: } catch(const Exception& e) { // exception in accept or send_error
437: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 438: }
1.325 moko 439:
1.328 moko 440: #ifndef _MSC_VER
1.325 moko 441: if(pid==0) // fork child
442: exit(0);
1.328 moko 443: #endif
1.294 moko 444: }
445: }
1.231 paf 446:
1.294 moko 447: /** main workhorse */
448:
1.316 moko 449: static void real_parser_handler(bool cgi) {
1.280 moko 450: // init libraries
1.218 paf 451: pa_globals_init();
1.294 moko 452:
1.296 moko 453: if(httpd_host_port){
1.308 moko 454: httpd_mode();
1.294 moko 455: }
456:
457: const char* request_method=getenv("REQUEST_METHOD");
458:
1.308 moko 459: if(!filespec_to_process)
1.282 moko 460: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 461:
1.166 paf 462: char document_root_buf[MAX_STRING];
1.283 moko 463:
1.297 moko 464: // global request info
1.341 moko 465: Request_info request_info;
466: RequestInfoController ric(&request_info);
467:
1.283 moko 468: request_info.path_translated = filespec_to_process;
469: request_info.method = request_method ? request_method : "GET";
470: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
471:
1.122 parser 472: if(cgi) {
1.284 moko 473: // obligatory
1.218 paf 474: const char* path_info=getenv("PATH_INFO");
1.214 paf 475: if(!path_info)
1.349 moko 476: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 477:
478: request_info.document_root = getenv("DOCUMENT_ROOT");
479: if(!request_info.document_root) {
1.285 moko 480: // IIS or fcgiwrap minimalistic setup
481: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
482: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 483: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 484:
485: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
486: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
487: request_info.document_root = document_root;
1.283 moko 488: }
1.214 paf 489:
1.285 moko 490: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 491: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 492: // another obligatory
1.285 moko 493: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 494: if(!script_name)
1.349 moko 495: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 496: /*
497: http://parser3/env.html?123 =OK
498: $request:uri=/env.html?123
499: REQUEST_URI='/env.html?123'
500: SCRIPT_NAME='/cgi-bin/parser3'
501: PATH_INFO='/env.html'
1.285 moko 502:
1.214 paf 503: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
504: $request:uri=/cgi-bin/parser3/env.html?123
505: REQUEST_URI='/cgi-bin/parser3/env.html?123'
506: SCRIPT_NAME='/cgi-bin/parser3'
507: PATH_INFO='/env.html'
508: */
1.285 moko 509: size_t script_name_len = strlen(script_name);
510: size_t uri_len = strlen(request_info.uri);
1.283 moko 511: 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 512: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 513: } else { // fcgiwrap minimalistic setup
1.315 moko 514: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 515: }
1.283 moko 516: } else{
1.351 moko 517: request_info.document_root = full_disk_path();
1.285 moko 518: request_info.uri = "";
1.283 moko 519: }
1.122 parser 520:
1.283 moko 521: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 522: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 523: request_info.cookie = getenv("HTTP_COOKIE");
524: request_info.mail_received = mail_received;
1.184 paf 525:
1.319 moko 526: request_info.argv = argv_extra;
1.245 misha 527:
1.233 paf 528: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 529: 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 530: #endif
531:
1.122 parser 532: // prepare to process request
1.323 moko 533: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 534: {
1.297 moko 535: // initing ::request ptr for signal handlers
1.323 moko 536: RequestController rc(&r);
1.256 misha 537: // process the request
1.323 moko 538: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 539: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 540: }
1.231 paf 541:
1.280 moko 542: // finalize libraries
1.225 paf 543: pa_globals_done();
1.218 paf 544: }
545:
1.231 paf 546: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 547: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 548: try {
1.316 moko 549: real_parser_handler(cgi);
1.231 paf 550: } catch(const Exception& e) {
551: return e;
1.122 parser 552: }
1.231 paf 553:
554: return Exception();
1.122 parser 555: }
1.272 moko 556:
1.316 moko 557: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 558: Exception parser_exception;
559: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 560:
1.231 paf 561: __try {
1.316 moko 562: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 563: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 564: if(system_exception)
565: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 566: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 567: else
1.272 moko 568: throw Exception("system", 0, "<no exception record>");
1.218 paf 569: else
1.272 moko 570: throw Exception("system", 0, "<no exception information>");
1.231 paf 571: }
572:
573: if(parser_exception)
574: throw Exception(parser_exception);
575: }
1.273 moko 576:
577: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
578: #else
579: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 580: #endif
1.131 paf 581:
1.218 paf 582: static void usage(const char* program) {
1.188 paf 583: printf(
1.235 paf 584: "Parser/%s\n"
1.350 moko 585: "Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)\n"
586: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 587: "\n"
1.307 moko 588: "Usage: %s [options] [file]\n"
1.184 paf 589: "Options are:\n"
1.185 paf 590: #ifdef WITH_MAILRECEIVE
1.193 paf 591: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 592: #endif
1.193 paf 593: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 594: " -p [host:]port Start web server on this port\n"
1.272 moko 595: " -h Display usage information (this message)\n",
596: PARSER_VERSION,
1.184 paf 597: program);
598: exit(EINVAL);
599: }
600:
1.294 moko 601:
1.249 misha 602: int main(int argc, char *argv[]) {
1.233 paf 603: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
604: log("main: entry");
605: #endif
1.217 paf 606:
1.352 ! moko 607: parser3_filespec = argc && argv[0] ? argv[0] : "parser3";
1.294 moko 608: umask(2);
609:
610: // were we started as CGI?
1.316 moko 611: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 612: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
613:
1.203 paf 614: #ifdef SIGPIPE
1.325 moko 615: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 616: #endif
617:
1.301 moko 618: char *raw_filespec_to_process = NULL;
1.210 paf 619: if(cgi) {
1.184 paf 620: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 621: argv_extra=argv + 1;
1.210 paf 622: } else {
1.250 misha 623: int optind=1;
1.245 misha 624: while(optind < argc){
625: char *carg = argv[optind];
626: if(carg[0] != '-')
1.184 paf 627: break;
1.245 misha 628:
629: for(size_t k = 1; k < strlen(carg); k++){
630: char c = carg[k];
631: switch (c) {
632: case 'h':
1.347 moko 633: usage(parser3_filespec);
1.245 misha 634: break;
635: case 'f':
636: if(optind < argc - 1){
637: optind++;
1.311 moko 638: config_filespec=argv[optind];
1.245 misha 639: }
640: break;
1.294 moko 641: case 'p':
642: if(optind < argc - 1){
643: optind++;
1.296 moko 644: httpd_host_port=argv[optind];
1.294 moko 645: }
646: break;
1.185 paf 647: #ifdef WITH_MAILRECEIVE
1.245 misha 648: case 'm':
649: mail_received=true;
650: break;
651: #endif
652: default:
1.347 moko 653: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, c);
654: usage(parser3_filespec);
1.245 misha 655: break;
656: }
1.184 paf 657: }
1.245 misha 658: optind++;
1.184 paf 659: }
1.245 misha 660:
661: if (optind > argc - 1) {
1.296 moko 662: if(!httpd_host_port) {
1.347 moko 663: fprintf(stderr, "%s: file not specified\n", parser3_filespec);
664: usage(parser3_filespec);
1.294 moko 665: }
666: } else {
667: raw_filespec_to_process=argv[optind];
1.10 paf 668: }
1.294 moko 669:
1.296 moko 670: if (httpd_host_port && mail_received) {
1.347 moko 671: fprintf(stderr, "%s: -p and -m options should not be used together\n", parser3_filespec);
672: usage(parser3_filespec);
1.294 moko 673: }
1.310 moko 674:
1.319 moko 675: argv_extra=argv + optind;
1.10 paf 676: }
677:
1.264 moko 678: #ifdef _MSC_VER
1.100 parser 679: setmode(fileno(stdin), _O_BINARY);
680: setmode(fileno(stdout), _O_BINARY);
681: setmode(fileno(stderr), _O_BINARY);
682: #endif
683:
1.218 paf 684: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 685: // Get current flag
686: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
687:
688: // Turn on leak-checking bit
689: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
690:
691: // Set flag to the new value
692: _CrtSetDbgFlag( tmpFlag );
1.138 paf 693:
1.218 paf 694: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
695: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 696: #endif
697:
1.318 moko 698: try { // global try
699: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 moko 700: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 701: }
1.10 paf 702:
1.316 moko 703: REAL_PARSER_HANDLER(cgi);
1.292 moko 704: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 705: SAPI::die("%s", e.comment());
1.16 paf 706: }
1.109 parser 707:
1.233 paf 708: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
709: log("main: successful return");
710: #endif
1.299 moko 711: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 712: }
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