Annotation of parser3/src/targets/cgi/parser3.C, revision 1.348
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.329 moko 4: Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.154 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.189 paf 6: */
1.27 paf 7:
1.348 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.347 2022/01/26 17:04:46 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:
1.314 moko 183: static void full_disk_path(const char* file_name, char *buf, size_t buf_size) {
1.308 moko 184: if(file_name[0]=='/'
1.167 paf 185: #ifdef WIN32
1.308 moko 186: || file_name[0] && file_name[1]==':'
1.167 paf 187: #endif
1.308 moko 188: ){
1.344 moko 189: pa_strncpy(buf, file_name, buf_size);
1.308 moko 190: } else {
191: char cwd[MAX_STRING];
192: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
193: }
1.166 paf 194: #ifdef WIN32
195: back_slashes_to_slashes(buf);
196: #endif
1.97 parser 197: }
198:
1.218 paf 199: static void log_signal(const char* signal_name) {
1.294 moko 200: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 201: }
202:
1.201 paf 203: #ifdef SIGPIPE
1.243 misha 204: #define SIGPIPE_NAME "SIGPIPE"
205: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 206: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 207: Value* sigpipe=0;
208: if(request)
1.251 misha 209: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 210: if(sigpipe && sigpipe->as_bool())
1.244 misha 211: log_signal(SIGPIPE_NAME);
1.243 misha 212:
1.201 paf 213: if(request)
1.276 moko 214: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 215: }
216: #endif
217:
1.322 moko 218: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 219: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 220: filespec_4log=config_filespec_option;
221: if(!filespec_4log)
1.321 moko 222: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 223: if(!filespec_4log)
224: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
225: if(!filespec_4log){
1.321 moko 226: // next to the executable
227: char *beside_executable_path = pa_strdup(executable_path);
228: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
229: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 230: if(entry_exists(filespec_4log))
231: return filespec_4log;
232: #ifdef SYSTEM_CONFIG_FILE
233: if(entry_exists(SYSTEM_CONFIG_FILE)){
234: filespec_4log=NULL;
235: return SYSTEM_CONFIG_FILE;
236: }
237: #endif
238: return NULL;
1.321 moko 239: }
240: return filespec_4log;
241: }
242:
1.227 paf 243: #ifdef WIN32
1.292 moko 244: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 245: // 404;http://servername/page[?param=value...]
1.227 paf 246: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
247: // and can consider that as an indication that this is IIS way to report errors
248:
1.272 moko 249: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 250: size_t original_len=strlen(original);
1.272 moko 251: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 252: char* cur=reconstructed;
253: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
254: memcpy(cur, original, 3); cur+=3;
255: *cur++='&';
256:
1.228 paf 257: const char* qmark_at=strchr(original, '?');
1.227 paf 258: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
259: {
1.272 moko 260: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 261: memcpy(cur, original+4, value_len); cur+=value_len;
262: }
263:
264: if(qmark_at) {
265: *cur++='&';
266: strcpy(cur, qmark_at+1/*skip ? itself*/);
267: } else
268: *cur=0;
269:
270: return reconstructed;
271: }
272:
273: return original;
274: }
1.283 moko 275:
276: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
1.342 moko 277: #else
1.283 moko 278: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 279: #endif
280:
1.256 misha 281: class RequestController {
282: public:
283: RequestController(Request* r){
1.341 moko 284: request=r;
1.256 misha 285: }
286: ~RequestController(){
1.341 moko 287: request=0;
288: }
289: };
290:
291: class RequestInfoController {
292: public:
293: RequestInfoController(Request_info* rinfo){
294: request_info_4log=rinfo;
295: }
296: ~RequestInfoController(){
297: request_info_4log=0;
1.256 misha 298: }
299: };
300:
1.342 moko 301: /** httpd support */
302: static const String httpd_class_name("httpd");
303:
1.317 moko 304: static void config_handler(SAPI_Info &info) {
305: char document_root_buf[MAX_STRING];
306: full_disk_path("", document_root_buf, sizeof(document_root_buf));
307:
1.341 moko 308: Request_info request_info;
309: RequestInfoController ric(&request_info);
310:
1.317 moko 311: request_info.document_root = document_root_buf;
312: request_info.uri = "";
1.319 moko 313: request_info.argv = argv_extra;
1.317 moko 314:
315: // prepare to process request
1.323 moko 316: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 317: // only once
318: config_filespec = locate_config(config_filespec, parser3_filespec);
319: // process main auto.p only
320: r.core(config_filespec, false, String::Empty);
1.317 moko 321: }
322:
323: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 moko 324: Request_info request_info;
325: RequestInfoController ric(&request_info);
326:
1.325 moko 327: try {
1.336 moko 328: if(!connection.read_header())
1.332 moko 329: return; // ignore "void" connections
1.325 moko 330: info.populate_env();
331:
332: char document_root_buf[MAX_STRING];
333: full_disk_path("", document_root_buf, sizeof(document_root_buf));
334:
335: request_info.document_root = document_root_buf;
336: request_info.path_translated = filespec_to_process;
337: request_info.method = connection.method();
338: request_info.query_string = connection.query();
339: request_info.uri = request_info.strip_absolute_uri(connection.uri());
340: request_info.content_type = connection.content_type();
341: request_info.content_length = (size_t)connection.content_length();
342: request_info.cookie = info.get_env("HTTP_COOKIE");
343: request_info.mail_received = false;
344: request_info.argv = argv_extra;
1.294 moko 345:
1.325 moko 346: // prepare to process request
347: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 348: // process the request
1.342 moko 349: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, main_method_name, &httpd_class_name);
1.325 moko 350: } catch(const Exception& e) { // exception in connection handling or unhandled exception
351: SAPI::log(info, "%s", e.comment());
1.337 moko 352: const char *status = info.exception_http_status(e.type());
1.338 moko 353: if(*status){
354: info.clear_response_headers();
1.337 moko 355: SAPI::send_error(info, e.comment(), status);
1.338 moko 356: }
1.325 moko 357: }
358: }
1.317 moko 359:
1.328 moko 360: #ifdef _MSC_VER
361: DWORD WINAPI connection_thread(void *arg){
362: #else
1.325 moko 363: static void *connection_thread(void *arg){
1.328 moko 364: #endif
1.325 moko 365: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
366: SAPI_Info_HTTPD info(connection);
1.294 moko 367:
1.325 moko 368: try {
369: connection_handler(info, connection);
370: } catch(const Exception& e) { // exception in send_error
371: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 372: }
1.325 moko 373:
374: delete(&connection);
1.328 moko 375: return 0;
1.294 moko 376: }
377:
1.317 moko 378: static void httpd_mode() {
1.325 moko 379: config_handler(*sapiInfo);
380:
1.346 moko 381: SOCKET sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 382:
1.327 moko 383: #ifdef SIGPIPE
1.325 moko 384: signal(SIGPIPE, SIG_IGN);
385: #endif
1.317 moko 386:
1.297 moko 387: while(1){
1.328 moko 388: #ifndef _MSC_VER
1.325 moko 389: pid_t pid=1;
1.343 moko 390: if(HTTPD_Server::mode == HTTPD_Server::PARALLEL)
391: while (waitpid((pid_t)(-1), 0, WNOHANG) > 0);
1.328 moko 392: #endif
1.303 moko 393: try {
394: HTTPD_Connection connection;
1.345 moko 395: if(!connection.accept(sock, 500))
1.303 moko 396: continue;
397:
1.325 moko 398: switch (HTTPD_Server::mode) {
399: case HTTPD_Server::MULTITHREADED:
1.328 moko 400: #ifdef _MSC_VER
401: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
402: throw Exception("httpd.fork", 0, "thread creation failed");
1.346 moko 403: connection.sock=INVALID_SOCKET;
1.328 moko 404: break;
405: #else
1.339 moko 406: #ifdef HAVE_TLS
1.325 moko 407: pthread_t thread;
408: pthread_attr_t attr;
409: pthread_attr_init(&attr);
410: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
411:
412: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
413: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
1.346 moko 414: connection.sock=INVALID_SOCKET;
1.325 moko 415: break;
1.339 moko 416: #endif
1.325 moko 417: case HTTPD_Server::PARALLEL:
418: pid=fork();
419: if(pid<0)
420: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
421: if(pid>0)
422: continue; // parent should close connection.sock as well
423: #endif
424: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 425:
1.325 moko 426: SAPI_Info_HTTPD info(connection);
427: connection_handler(info, connection);
1.303 moko 428: }
429: // closing connection socket in HTTPD_Connection destructor
430: } catch(const Exception& e) { // exception in accept or send_error
431: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 432: }
1.325 moko 433:
1.328 moko 434: #ifndef _MSC_VER
1.325 moko 435: if(pid==0) // fork child
436: exit(0);
1.328 moko 437: #endif
1.294 moko 438: }
439: }
1.231 paf 440:
1.294 moko 441: /** main workhorse */
442:
1.316 moko 443: static void real_parser_handler(bool cgi) {
1.280 moko 444: // init libraries
1.218 paf 445: pa_globals_init();
1.294 moko 446:
1.296 moko 447: if(httpd_host_port){
1.308 moko 448: httpd_mode();
1.294 moko 449: }
450:
451: const char* request_method=getenv("REQUEST_METHOD");
452:
1.308 moko 453: if(!filespec_to_process)
1.282 moko 454: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 455:
1.166 paf 456: char document_root_buf[MAX_STRING];
1.283 moko 457:
1.297 moko 458: // global request info
1.341 moko 459: Request_info request_info;
460: RequestInfoController ric(&request_info);
461:
1.283 moko 462: request_info.path_translated = filespec_to_process;
463: request_info.method = request_method ? request_method : "GET";
464: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
465:
1.122 parser 466: if(cgi) {
1.284 moko 467: // obligatory
1.218 paf 468: const char* path_info=getenv("PATH_INFO");
1.214 paf 469: if(!path_info)
470: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 471:
472: request_info.document_root = getenv("DOCUMENT_ROOT");
473: if(!request_info.document_root) {
1.285 moko 474: // IIS or fcgiwrap minimalistic setup
475: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
476: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
477: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
478:
479: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
480: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
481: request_info.document_root = document_root;
1.283 moko 482: }
1.214 paf 483:
1.285 moko 484: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 485: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 486: // another obligatory
1.285 moko 487: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 488: if(!script_name)
489: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 490: /*
491: http://parser3/env.html?123 =OK
492: $request:uri=/env.html?123
493: REQUEST_URI='/env.html?123'
494: SCRIPT_NAME='/cgi-bin/parser3'
495: PATH_INFO='/env.html'
1.285 moko 496:
1.214 paf 497: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
498: $request:uri=/cgi-bin/parser3/env.html?123
499: REQUEST_URI='/cgi-bin/parser3/env.html?123'
500: SCRIPT_NAME='/cgi-bin/parser3'
501: PATH_INFO='/env.html'
502: */
1.285 moko 503: size_t script_name_len = strlen(script_name);
504: size_t uri_len = strlen(request_info.uri);
1.283 moko 505: if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same
1.214 paf 506: SAPI::die("CGI: illegal call (1)");
1.284 moko 507: } else { // fcgiwrap minimalistic setup
1.315 moko 508: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 509: }
1.283 moko 510: } else{
1.314 moko 511: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 512: request_info.document_root = document_root_buf;
513: request_info.uri = "";
1.283 moko 514: }
1.122 parser 515:
1.283 moko 516: request_info.content_type = getenv("CONTENT_TYPE");
1.348 ! moko 517: request_info.content_length = cgi ? (size_t)pa_atoul(getenv("CONTENT_LENGTH")) : 0; // only SAPI_Info_CGI can read POST
1.283 moko 518: request_info.cookie = getenv("HTTP_COOKIE");
519: request_info.mail_received = mail_received;
1.184 paf 520:
1.319 moko 521: request_info.argv = argv_extra;
1.245 misha 522:
1.233 paf 523: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 524: 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 525: #endif
526:
1.122 parser 527: // prepare to process request
1.323 moko 528: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 529: {
1.297 moko 530: // initing ::request ptr for signal handlers
1.323 moko 531: RequestController rc(&r);
1.256 misha 532: // process the request
1.323 moko 533: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 534: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 535: }
1.231 paf 536:
1.280 moko 537: // finalize libraries
1.225 paf 538: pa_globals_done();
1.218 paf 539: }
540:
1.231 paf 541: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 542: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 543: try {
1.316 moko 544: real_parser_handler(cgi);
1.231 paf 545: } catch(const Exception& e) {
546: return e;
1.122 parser 547: }
1.231 paf 548:
549: return Exception();
1.122 parser 550: }
1.272 moko 551:
1.316 moko 552: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 553: Exception parser_exception;
554: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 555:
1.231 paf 556: __try {
1.316 moko 557: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 558: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 559: if(system_exception)
560: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 561: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 562: else
1.272 moko 563: throw Exception("system", 0, "<no exception record>");
1.218 paf 564: else
1.272 moko 565: throw Exception("system", 0, "<no exception information>");
1.231 paf 566: }
567:
568: if(parser_exception)
569: throw Exception(parser_exception);
570: }
1.273 moko 571:
572: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
573: #else
574: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 575: #endif
1.131 paf 576:
1.218 paf 577: static void usage(const char* program) {
1.188 paf 578: printf(
1.235 paf 579: "Parser/%s\n"
1.329 moko 580: "Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 581: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
582: "\n"
1.307 moko 583: "Usage: %s [options] [file]\n"
1.184 paf 584: "Options are:\n"
1.185 paf 585: #ifdef WITH_MAILRECEIVE
1.193 paf 586: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 587: #endif
1.193 paf 588: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 589: " -p [host:]port Start web server on this port\n"
1.272 moko 590: " -h Display usage information (this message)\n",
591: PARSER_VERSION,
1.184 paf 592: program);
593: exit(EINVAL);
594: }
595:
1.294 moko 596:
1.249 misha 597: int main(int argc, char *argv[]) {
1.233 paf 598: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
599: log("main: entry");
600: #endif
1.217 paf 601:
1.347 moko 602: parser3_filespec = argc ? argv[0] : "parser3";
1.294 moko 603: umask(2);
604:
605: // were we started as CGI?
1.316 moko 606: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 607: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
608:
1.203 paf 609: #ifdef SIGPIPE
1.325 moko 610: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 611: #endif
612:
1.301 moko 613: char *raw_filespec_to_process = NULL;
1.210 paf 614: if(cgi) {
1.184 paf 615: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 616: argv_extra=argv + 1;
1.210 paf 617: } else {
1.250 misha 618: int optind=1;
1.245 misha 619: while(optind < argc){
620: char *carg = argv[optind];
621: if(carg[0] != '-')
1.184 paf 622: break;
1.245 misha 623:
624: for(size_t k = 1; k < strlen(carg); k++){
625: char c = carg[k];
626: switch (c) {
627: case 'h':
1.347 moko 628: usage(parser3_filespec);
1.245 misha 629: break;
630: case 'f':
631: if(optind < argc - 1){
632: optind++;
1.311 moko 633: config_filespec=argv[optind];
1.245 misha 634: }
635: break;
1.294 moko 636: case 'p':
637: if(optind < argc - 1){
638: optind++;
1.296 moko 639: httpd_host_port=argv[optind];
1.294 moko 640: }
641: break;
1.185 paf 642: #ifdef WITH_MAILRECEIVE
1.245 misha 643: case 'm':
644: mail_received=true;
645: break;
646: #endif
647: default:
1.347 moko 648: fprintf(stderr, "%s: invalid option '%c'\n", parser3_filespec, c);
649: usage(parser3_filespec);
1.245 misha 650: break;
651: }
1.184 paf 652: }
1.245 misha 653: optind++;
1.184 paf 654: }
1.245 misha 655:
656: if (optind > argc - 1) {
1.296 moko 657: if(!httpd_host_port) {
1.347 moko 658: fprintf(stderr, "%s: file not specified\n", parser3_filespec);
659: usage(parser3_filespec);
1.294 moko 660: }
661: } else {
662: raw_filespec_to_process=argv[optind];
1.10 paf 663: }
1.294 moko 664:
1.296 moko 665: if (httpd_host_port && mail_received) {
1.347 moko 666: fprintf(stderr, "%s: -p and -m options should not be used together\n", parser3_filespec);
667: usage(parser3_filespec);
1.294 moko 668: }
1.310 moko 669:
1.319 moko 670: argv_extra=argv + optind;
1.10 paf 671: }
672:
1.264 moko 673: #ifdef _MSC_VER
1.100 parser 674: setmode(fileno(stdin), _O_BINARY);
675: setmode(fileno(stdout), _O_BINARY);
676: setmode(fileno(stderr), _O_BINARY);
677: #endif
678:
1.218 paf 679: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 680: // Get current flag
681: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
682:
683: // Turn on leak-checking bit
684: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
685:
686: // Set flag to the new value
687: _CrtSetDbgFlag( tmpFlag );
1.138 paf 688:
1.218 paf 689: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
690: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 691: #endif
692:
1.318 moko 693: try { // global try
694: char filespec_to_process_buf[MAX_STRING];
695: if(raw_filespec_to_process && *raw_filespec_to_process){
696: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
697: filespec_to_process=filespec_to_process_buf;
698: }
1.10 paf 699:
1.316 moko 700: REAL_PARSER_HANDLER(cgi);
1.292 moko 701: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 702: SAPI::die("%s", e.comment());
1.16 paf 703: }
1.109 parser 704:
1.233 paf 705: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
706: log("main: successful return");
707: #endif
1.299 moko 708: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 709: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to parser3.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / targets / cgi