Annotation of parser3/src/targets/cgi/parser3.C, revision 1.351
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:
1.351 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.350 2023/09/26 20:49:11 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:
1.46 paf 60: // SAPI
1.86 parser 61:
1.335 moko 62: static void pa_log(const char* fmt, va_list args) {
1.193 paf 63: bool opened=false;
1.61 paf 64: FILE *f=0;
65:
1.226 paf 66: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
67: if(!log_by_env)
68: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
69: if(log_by_env) {
70: f=fopen(log_by_env, "at");
71: opened=f!=0;
72: }
1.272 moko 73: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 74: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
75: opened=f!=0;
76: #endif
1.226 paf 77:
1.316 moko 78: if(!opened && filespec_4log) {
1.193 paf 79: char beside_config_path[MAX_STRING];
1.344 moko 80: pa_strncpy(beside_config_path, filespec_4log, MAX_STRING);
1.272 moko 81: if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename
1.193 paf 82: // no path, just filename
1.316 moko 83: strcpy(beside_config_path, ".");
1.193 paf 84: }
85:
86: char file_spec[MAX_STRING];
1.272 moko 87: snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path);
1.193 paf 88: f=fopen(file_spec, "at");
89: opened=f!=0;
90: }
1.192 paf 91: // fallback to stderr
1.61 paf 92: if(!opened)
93: f=stderr;
1.208 paf 94:
95: // use no memory [so that we could log out-of-memory error]
96: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 97:
98: // prefix
99: time_t t=time(0);
1.218 paf 100: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 101: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 102: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 103: }
1.61 paf 104: // message
1.117 parser 105:
1.246 misha 106: char buf[MAX_LOG_STRING];
107: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
108: size=remove_crlf(buf, buf+size);
1.239 paf 109: fwrite(buf, size, 1, f);
110:
1.341 moko 111: if(request_info_4log && request_info_4log->method) {
112: 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 113: } else
114: fputs(" [no request info]\n", f);
1.61 paf 115:
116: if(opened)
117: fclose(f);
1.85 parser 118: else
119: fflush(f);
1.124 parser 120: }
1.272 moko 121:
1.335 moko 122: void pa_log(const char* fmt, ...) {
1.272 moko 123: va_list args;
1.233 paf 124: va_start(args,fmt);
1.335 moko 125: pa_log(fmt, args);
1.233 paf 126: va_end(args);
127: }
1.124 parser 128:
1.322 moko 129: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 130: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 131: va_list args;
1.124 parser 132: va_start(args,fmt);
1.335 moko 133: pa_log(fmt, args);
1.124 parser 134: va_end(args);
135: }
136:
1.290 moko 137: void SAPI::die(const char* fmt, ...) {
138: va_list args;
139:
140: // logging first, first vsnprintf
141: va_start(args,fmt);
1.335 moko 142: pa_log(fmt, args);
1.290 moko 143: va_end(args);
1.138 paf 144:
1.290 moko 145: // inform user, second vsnprintf
146: va_start(args, fmt);
1.299 moko 147: char message[MAX_STRING];
1.300 moko 148: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 149:
1.299 moko 150: SAPI::send_error(*sapiInfo, message);
1.290 moko 151: exit(1);
1.258 moko 152: // va_end(args);
1.28 paf 153: }
154:
1.294 moko 155: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
156: return info.get_env(name);
1.218 paf 157: }
158:
1.305 moko 159: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
160: return info.set_env(name, value);
161: }
162:
1.294 moko 163: const char* const *SAPI::Env::get(SAPI_Info& info) {
164: return info.get_env();
1.180 paf 165: }
166:
1.294 moko 167: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
168: return info.read_post(buf, max_bytes);
1.10 paf 169: }
170:
1.294 moko 171: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
172: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 173: }
174:
1.294 moko 175: void SAPI::send_header(SAPI_Info& info) {
176: info.send_header();
1.30 paf 177: }
1.20 paf 178:
1.294 moko 179: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
180: return info.send_body(buf, size);
1.58 paf 181: }
182:
1.351 ! moko 183: static const char *full_disk_path(const char* file_name = 0) {
! 184: char *result;
! 185: if(file_name[0]=='/'
1.167 paf 186: #ifdef WIN32
1.308 moko 187: || file_name[0] && file_name[1]==':'
1.167 paf 188: #endif
1.308 moko 189: ){
1.351 ! moko 190: result=pa_strdup(file_name);
1.308 moko 191: } else {
192: char cwd[MAX_STRING];
1.351 ! moko 193: result=pa_strcat(getcwd(cwd, MAX_STRING) ? cwd : "", "/", file_name);
1.308 moko 194: }
1.166 paf 195: #ifdef WIN32
1.351 ! moko 196: back_slashes_to_slashes(result);
1.166 paf 197: #endif
1.351 ! moko 198: return result;
1.97 parser 199: }
200:
1.218 paf 201: static void log_signal(const char* signal_name) {
1.294 moko 202: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 203: }
204:
1.201 paf 205: #ifdef SIGPIPE
1.243 misha 206: #define SIGPIPE_NAME "SIGPIPE"
207: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 208: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 209: Value* sigpipe=0;
210: if(request)
1.251 misha 211: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 212: if(sigpipe && sigpipe->as_bool())
1.244 misha 213: log_signal(SIGPIPE_NAME);
1.243 misha 214:
1.201 paf 215: if(request)
1.276 moko 216: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 217: }
218: #endif
219:
1.322 moko 220: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 221: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 222: filespec_4log=config_filespec_option;
223: if(!filespec_4log)
1.321 moko 224: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 225: if(!filespec_4log)
226: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
227: if(!filespec_4log){
1.321 moko 228: // next to the executable
229: char *beside_executable_path = pa_strdup(executable_path);
230: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
231: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 232: if(entry_exists(filespec_4log))
233: return filespec_4log;
234: #ifdef SYSTEM_CONFIG_FILE
235: if(entry_exists(SYSTEM_CONFIG_FILE)){
236: filespec_4log=NULL;
237: return SYSTEM_CONFIG_FILE;
238: }
239: #endif
240: return NULL;
1.321 moko 241: }
242: return filespec_4log;
243: }
244:
1.227 paf 245: #ifdef WIN32
1.292 moko 246: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 247: // 404;http://servername/page[?param=value...]
1.227 paf 248: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
249: // and can consider that as an indication that this is IIS way to report errors
250:
1.272 moko 251: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 252: size_t original_len=strlen(original);
1.272 moko 253: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 254: char* cur=reconstructed;
255: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
256: memcpy(cur, original, 3); cur+=3;
257: *cur++='&';
258:
1.228 paf 259: const char* qmark_at=strchr(original, '?');
1.227 paf 260: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
261: {
1.272 moko 262: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 263: memcpy(cur, original+4, value_len); cur+=value_len;
264: }
265:
266: if(qmark_at) {
267: *cur++='&';
268: strcpy(cur, qmark_at+1/*skip ? itself*/);
269: } else
270: *cur=0;
271:
272: return reconstructed;
273: }
274:
275: return original;
276: }
1.283 moko 277:
278: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.342 moko 279: #else
1.283 moko 280: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 281: #endif
282:
1.256 misha 283: class RequestController {
284: public:
285: RequestController(Request* r){
1.341 moko 286: request=r;
1.256 misha 287: }
288: ~RequestController(){
1.341 moko 289: request=0;
290: }
291: };
292:
293: class RequestInfoController {
294: public:
295: RequestInfoController(Request_info* rinfo){
296: request_info_4log=rinfo;
297: }
298: ~RequestInfoController(){
299: request_info_4log=0;
1.256 misha 300: }
301: };
302:
1.342 moko 303: /** httpd support */
304: static const String httpd_class_name("httpd");
305:
1.317 moko 306: static void config_handler(SAPI_Info &info) {
1.341 moko 307: Request_info request_info;
308: RequestInfoController ric(&request_info);
309:
1.351 ! moko 310: request_info.document_root = full_disk_path();
1.317 moko 311: request_info.uri = "";
1.319 moko 312: request_info.argv = argv_extra;
1.317 moko 313:
314: // prepare to process request
1.323 moko 315: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 316: // only once
317: config_filespec = locate_config(config_filespec, parser3_filespec);
318: // process main auto.p only
319: r.core(config_filespec, false, String::Empty);
1.317 moko 320: }
321:
322: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 323: Request_info request_info;
324: RequestInfoController ric(&request_info);
325:
1.325 moko 326: try {
1.336 moko 327: if(!connection.read_header())
1.332 moko 328: return; // ignore "void" connections
1.325 moko 329: info.populate_env();
330:
1.351 ! moko 331: request_info.document_root = full_disk_path();
1.325 moko 332: request_info.path_translated = filespec_to_process;
333: request_info.method = connection.method();
334: request_info.query_string = connection.query();
335: request_info.uri = request_info.strip_absolute_uri(connection.uri());
336: request_info.content_type = connection.content_type();
337: request_info.content_length = (size_t)connection.content_length();
338: request_info.cookie = info.get_env("HTTP_COOKIE");
339: request_info.mail_received = false;
340: request_info.argv = argv_extra;
1.294 moko 341:
1.325 moko 342: // prepare to process request
343: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 344: // process the request
1.342 moko 345: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.325 moko 346: } catch(const Exception& e) { // exception in connection handling or unhandled exception
347: SAPI::log(info, "%s", e.comment());
1.337 moko 348: const char *status = info.exception_http_status(e.type());
1.338 moko 349: if(*status){
350: info.clear_response_headers();
1.337 moko 351: SAPI::send_error(info, e.comment(), status);
1.338 moko 352: }
1.325 moko 353: }
354: }
1.317 moko 355:
1.328 moko 356: #ifdef _MSC_VER
357: DWORD WINAPI connection_thread(void *arg){
358: #else
1.325 moko 359: static void *connection_thread(void *arg){
1.328 moko 360: #endif
1.325 moko 361: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
362: SAPI_Info_HTTPD info(connection);
1.294 moko 363:
1.325 moko 364: try {
365: connection_handler(info, connection);
366: } catch(const Exception& e) { // exception in send_error
367: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 368: }
1.325 moko 369:
370: delete(&connection);
1.328 moko 371: return 0;
1.294 moko 372: }
373:
1.317 moko 374: static void httpd_mode() {
1.325 moko 375: config_handler(*sapiInfo);
376:
1.346 moko 377: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 378:
1.327 moko 379: #ifdef SIGPIPE
1.325 moko 380: signal(SIGPIPE, SIG_IGN);
381: #endif
1.317 moko 382:
1.297 moko 383: while(1){
1.328 moko 384: #ifndef _MSC_VER
1.325 moko 385: pid_t pid=1;
1.343 moko 386: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
387: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 388: #endif
1.303 moko 389: try {
390: HTTPD_Connection connection;
1.345 moko 391: if(!connection.accept(sock, 500))
1.303 moko 392: continue;
393:
1.325 moko 394: switch (HTTPD_Server::mode) {
395: case HTTPD_Server::MULTITHREADED:
1.328 moko 396: #ifdef _MSC_VER
397: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
398: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 399: connection.sock=INVALID_SOCKET;
1.328 moko 400: break;
401: #else
1.339 moko 402: #ifdef HAVE_TLS
1.325 moko 403: pthread_t thread;
404: pthread_attr_t attr;
405: pthread_attr_init(&attr);
406: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
407:
408: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
409: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 410: connection.sock=INVALID_SOCKET;
1.325 moko 411: break;
1.339 moko 412: #endif
1.325 moko 413: case HTTPD_Server::PARALLEL:
414: pid=fork();
415: if(pid<0)
416: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
417: if(pid>0)
418: continue; // parent should close connection.sock as well
419: #endif
420: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 421:
1.325 moko 422: SAPI_Info_HTTPD info(connection);
423: connection_handler(info, connection);
1.303 moko 424: }
425: // closing connection socket in HTTPD_Connection destructor
426: } catch(const Exception& e) { // exception in accept or send_error
427: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 428: }
1.325 moko 429:
1.328 moko 430: #ifndef _MSC_VER
1.325 moko 431: if(pid==0) // fork child
432: exit(0);
1.328 moko 433: #endif
1.294 moko 434: }
435: }
1.231 paf 436:
1.294 moko 437: /** main workhorse */
438:
1.316 moko 439: static void real_parser_handler(bool cgi) {
1.280 moko 440: // init libraries
1.218 paf 441: pa_globals_init();
1.294 moko 442:
1.296 moko 443: if(httpd_host_port){
1.308 moko 444: httpd_mode();
1.294 moko 445: }
446:
447: const char* request_method=getenv("REQUEST_METHOD");
448:
1.308 moko 449: if(!filespec_to_process)
1.282 moko 450: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 451:
1.166 paf 452: char document_root_buf[MAX_STRING];
1.283 moko 453:
1.297 moko 454: // global request info
1.341 moko 455: Request_info request_info;
456: RequestInfoController ric(&request_info);
457:
1.283 moko 458: request_info.path_translated = filespec_to_process;
459: request_info.method = request_method ? request_method : "GET";
460: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
461:
1.122 parser 462: if(cgi) {
1.284 moko 463: // obligatory
1.218 paf 464: const char* path_info=getenv("PATH_INFO");
1.214 paf 465: if(!path_info)
1.349 moko 466: SAPI::die("parser3: illegal CGI call (missing PATH_INFO)");
1.283 moko 467:
468: request_info.document_root = getenv("DOCUMENT_ROOT");
469: if(!request_info.document_root) {
1.285 moko 470: // IIS or fcgiwrap minimalistic setup
471: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
472: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
1.349 moko 473: SAPI::die("parser3: illegal CGI call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
1.285 moko 474:
475: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
476: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
477: request_info.document_root = document_root;
1.283 moko 478: }
1.214 paf 479:
1.285 moko 480: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 481: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 482: // another obligatory
1.285 moko 483: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 484: if(!script_name)
1.349 moko 485: SAPI::die("parser3: illegal CGI call (missing SCRIPT_NAME)");
1.214 paf 486: /*
487: http://parser3/env.html?123 =OK
488: $request:uri=/env.html?123
489: REQUEST_URI='/env.html?123'
490: SCRIPT_NAME='/cgi-bin/parser3'
491: PATH_INFO='/env.html'
1.285 moko 492:
1.214 paf 493: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
494: $request:uri=/cgi-bin/parser3/env.html?123
495: REQUEST_URI='/cgi-bin/parser3/env.html?123'
496: SCRIPT_NAME='/cgi-bin/parser3'
497: PATH_INFO='/env.html'
498: */
1.285 moko 499: size_t script_name_len = strlen(script_name);
500: size_t uri_len = strlen(request_info.uri);
1.283 moko 501: 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 502: SAPI::die("parser3: illegal CGI call (REQUEST_URI starts with SCRIPT_NAME)");
1.284 moko 503: } else { // fcgiwrap minimalistic setup
1.315 moko 504: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 505: }
1.283 moko 506: } else{
1.351 ! moko 507: request_info.document_root = full_disk_path();
1.285 moko 508: request_info.uri = "";
1.283 moko 509: }
1.122 parser 510:
1.283 moko 511: request_info.content_type = getenv("CONTENT_TYPE");
1.348 moko 512: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 513: request_info.cookie = getenv("HTTP_COOKIE");
514: request_info.mail_received = mail_received;
1.184 paf 515:
1.319 moko 516: request_info.argv = argv_extra;
1.245 misha 517:
1.233 paf 518: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 519: 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 520: #endif
521:
1.122 parser 522: // prepare to process request
1.323 moko 523: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 524: {
1.297 moko 525: // initing ::request ptr for signal handlers
1.323 moko 526: RequestController rc(&r);
1.256 misha 527: // process the request
1.323 moko 528: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 529: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 530: }
1.231 paf 531:
1.280 moko 532: // finalize libraries
1.225 paf 533: pa_globals_done();
1.218 paf 534: }
535:
1.231 paf 536: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 537: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 538: try {
1.316 moko 539: real_parser_handler(cgi);
1.231 paf 540: } catch(const Exception& e) {
541: return e;
1.122 parser 542: }
1.231 paf 543:
544: return Exception();
1.122 parser 545: }
1.272 moko 546:
1.316 moko 547: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 548: Exception parser_exception;
549: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 550:
1.231 paf 551: __try {
1.316 moko 552: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 553: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 554: if(system_exception)
555: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 556: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 557: else
1.272 moko 558: throw Exception("system", 0, "<no exception record>");
1.218 paf 559: else
1.272 moko 560: throw Exception("system", 0, "<no exception information>");
1.231 paf 561: }
562:
563: if(parser_exception)
564: throw Exception(parser_exception);
565: }
1.273 moko 566:
567: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
568: #else
569: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 570: #endif
1.131 paf 571:
1.218 paf 572: static void usage(const char* program) {
1.188 paf 573: printf(
1.235 paf 574: "Parser/%s\n"
1.350 moko 575: "Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)\n"
576: "Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>\n"
1.184 paf 577: "\n"
1.307 moko 578: "Usage: %s [options] [file]\n"
1.184 paf 579: "Options are:\n"
1.185 paf 580: #ifdef WITH_MAILRECEIVE
1.193 paf 581: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 582: #endif
1.193 paf 583: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 584: " -p [host:]port Start web server on this port\n"
1.272 moko 585: " -h Display usage information (this message)\n",
586: PARSER_VERSION,
1.184 paf 587: program);
588: exit(EINVAL);
589: }
590:
1.294 moko 591:
1.249 misha 592: int main(int argc, char *argv[]) {
1.233 paf 593: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
594: log("main: entry");
595: #endif
1.217 paf 596:
1.347 moko 597: parser3_filespec = argc ? argv[0] : "parser3";
1.294 moko 598: umask(2);
599:
600: // were we started as CGI?
1.316 moko 601: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 602: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
603:
1.203 paf 604: #ifdef SIGPIPE
1.325 moko 605: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 606: #endif
607:
1.301 moko 608: char *raw_filespec_to_process = NULL;
1.210 paf 609: if(cgi) {
1.184 paf 610: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 611: argv_extra=argv + 1;
1.210 paf 612: } else {
1.250 misha 613: int optind=1;
1.245 misha 614: while(optind < argc){
615: char *carg = argv[optind];
616: if(carg[0] != '-')
1.184 paf 617: break;
1.245 misha 618:
619: for(size_t k = 1; k < strlen(carg); k++){
620: char c = carg[k];
621: switch (c) {
622: case 'h':
1.347 moko 623: usage(parser3_filespec);
1.245 misha 624: break;
625: case 'f':
626: if(optind < argc - 1){
627: optind++;
1.311 moko 628: config_filespec=argv[optind];
1.245 misha 629: }
630: break;
1.294 moko 631: case 'p':
632: if(optind < argc - 1){
633: optind++;
1.296 moko 634: httpd_host_port=argv[optind];
1.294 moko 635: }
636: break;
1.185 paf 637: #ifdef WITH_MAILRECEIVE
1.245 misha 638: case 'm':
639: mail_received=true;
640: break;
641: #endif
642: default:
1.347 moko 643: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, c);
644: usage(parser3_filespec);
1.245 misha 645: break;
646: }
1.184 paf 647: }
1.245 misha 648: optind++;
1.184 paf 649: }
1.245 misha 650:
651: if (optind > argc - 1) {
1.296 moko 652: if(!httpd_host_port) {
1.347 moko 653: fprintf(stderr, "%s: file not specified\n", parser3_filespec);
654: usage(parser3_filespec);
1.294 moko 655: }
656: } else {
657: raw_filespec_to_process=argv[optind];
1.10 paf 658: }
1.294 moko 659:
1.296 moko 660: if (httpd_host_port && mail_received) {
1.347 moko 661: fprintf(stderr, "%s: -p and -m options should not be used together\n", parser3_filespec);
662: usage(parser3_filespec);
1.294 moko 663: }
1.310 moko 664:
1.319 moko 665: argv_extra=argv + optind;
1.10 paf 666: }
667:
1.264 moko 668: #ifdef _MSC_VER
1.100 parser 669: setmode(fileno(stdin), _O_BINARY);
670: setmode(fileno(stdout), _O_BINARY);
671: setmode(fileno(stderr), _O_BINARY);
672: #endif
673:
1.218 paf 674: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 675: // Get current flag
676: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
677:
678: // Turn on leak-checking bit
679: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
680:
681: // Set flag to the new value
682: _CrtSetDbgFlag( tmpFlag );
1.138 paf 683:
1.218 paf 684: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
685: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 686: #endif
687:
1.318 moko 688: try { // global try
689: if(raw_filespec_to_process && *raw_filespec_to_process){
1.351 ! moko 690: filespec_to_process=full_disk_path(raw_filespec_to_process);
1.318 moko 691: }
1.10 paf 692:
1.316 moko 693: REAL_PARSER_HANDLER(cgi);
1.292 moko 694: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 695: SAPI::die("%s", e.comment());
1.16 paf 696: }
1.109 parser 697:
1.233 paf 698: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
699: log("main: successful return");
700: #endif
1.299 moko 701: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 702: }
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