Annotation of parser3/src/targets/cgi/parser3.C, revision 1.339
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:
1.339 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.338 2020/12/17 11:47:17 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]
1.322 moko 53: static 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
1.325 moko 57: static THREAD_LOCAL Request_info request_info; // 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];
1.316 moko 80: strncpy(beside_config_path, filespec_4log, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
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:
1.297 moko 111: if(request_info.method) {
1.302 moko 112: fprintf(f, " [uri=%s, method=%s, cl=%lu]\n", request_info.uri ? request_info.uri : "<unknown>", request_info.method, (unsigned long)request_info.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: ){
189: strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0;
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 SIGUSR1
1.205 paf 204: static void SIGUSR1_handler(int /*sig*/){
205: log_signal("SIGUSR1");
1.201 paf 206: }
207: #endif
208:
209: #ifdef SIGPIPE
1.243 misha 210: #define SIGPIPE_NAME "SIGPIPE"
211: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 212: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 213: Value* sigpipe=0;
214: if(request)
1.251 misha 215: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 216: if(sigpipe && sigpipe->as_bool())
1.244 misha 217: log_signal(SIGPIPE_NAME);
1.243 misha 218:
1.201 paf 219: if(request)
1.276 moko 220: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 221: }
222: #endif
223:
1.322 moko 224: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 225: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 226: filespec_4log=config_filespec_option;
227: if(!filespec_4log)
1.321 moko 228: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 229: if(!filespec_4log)
230: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
231: if(!filespec_4log){
1.321 moko 232: // next to the executable
233: char *beside_executable_path = pa_strdup(executable_path);
234: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
235: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 236: if(entry_exists(filespec_4log))
237: return filespec_4log;
238: #ifdef SYSTEM_CONFIG_FILE
239: if(entry_exists(SYSTEM_CONFIG_FILE)){
240: filespec_4log=NULL;
241: return SYSTEM_CONFIG_FILE;
242: }
243: #endif
244: return NULL;
1.321 moko 245: }
246: return filespec_4log;
247: }
248:
1.227 paf 249: #ifdef WIN32
1.292 moko 250: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 251: // 404;http://servername/page[?param=value...]
1.227 paf 252: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
253: // and can consider that as an indication that this is IIS way to report errors
254:
1.272 moko 255: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 256: size_t original_len=strlen(original);
1.272 moko 257: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 258: char* cur=reconstructed;
259: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
260: memcpy(cur, original, 3); cur+=3;
261: *cur++='&';
262:
1.228 paf 263: const char* qmark_at=strchr(original, '?');
1.227 paf 264: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
265: {
1.272 moko 266: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 267: memcpy(cur, original+4, value_len); cur+=value_len;
268: }
269:
270: if(qmark_at) {
271: *cur++='&';
272: strcpy(cur, qmark_at+1/*skip ? itself*/);
273: } else
274: *cur=0;
275:
276: return reconstructed;
277: }
278:
279: return original;
280: }
1.283 moko 281:
282: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
283: #else
284: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 285: #endif
286:
1.256 misha 287:
288: class RequestController {
289: public:
290: RequestController(Request* r){
291: ::request=r;
292: }
293: ~RequestController(){
294: ::request=0;
295: }
296: };
297:
1.317 moko 298: static void config_handler(SAPI_Info &info) {
299: char document_root_buf[MAX_STRING];
300: full_disk_path("", document_root_buf, sizeof(document_root_buf));
301:
302: request_info.document_root = document_root_buf;
303: request_info.uri = "";
1.319 moko 304: request_info.argv = argv_extra;
1.317 moko 305:
306: // prepare to process request
1.323 moko 307: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 308: // only once
309: config_filespec = locate_config(config_filespec, parser3_filespec);
310: // process main auto.p only
311: r.core(config_filespec, false, String::Empty);
1.317 moko 312: }
313:
314: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.325 moko 315: try {
1.331 moko 316: memset(&request_info, 0, sizeof(request_info));
317:
1.336 moko 318: if(!connection.read_header())
1.332 moko 319: return; // ignore "void" connections
1.325 moko 320: info.populate_env();
321:
322: char document_root_buf[MAX_STRING];
323: full_disk_path("", document_root_buf, sizeof(document_root_buf));
324:
325: request_info.document_root = document_root_buf;
326: request_info.path_translated = filespec_to_process;
327: request_info.method = connection.method();
328: request_info.query_string = connection.query();
329: request_info.uri = request_info.strip_absolute_uri(connection.uri());
330: request_info.content_type = connection.content_type();
331: request_info.content_length = (size_t)connection.content_length();
332: request_info.cookie = info.get_env("HTTP_COOKIE");
333: request_info.mail_received = false;
334: request_info.argv = argv_extra;
1.294 moko 335:
1.325 moko 336: // prepare to process request
337: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 338: // process the request
339: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main"));
1.325 moko 340: } catch(const Exception& e) { // exception in connection handling or unhandled exception
341: SAPI::log(info, "%s", e.comment());
1.337 moko 342: const char *status = info.exception_http_status(e.type());
1.338 moko 343: if(*status){
344: info.clear_response_headers();
1.337 moko 345: SAPI::send_error(info, e.comment(), status);
1.338 moko 346: }
1.325 moko 347: }
348: }
1.317 moko 349:
1.328 moko 350: #ifdef _MSC_VER
351: DWORD WINAPI connection_thread(void *arg){
352: #else
1.325 moko 353: static void *connection_thread(void *arg){
1.328 moko 354: #endif
1.325 moko 355: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
356: SAPI_Info_HTTPD info(connection);
1.294 moko 357:
1.325 moko 358: try {
359: connection_handler(info, connection);
360: } catch(const Exception& e) { // exception in send_error
361: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 362: }
1.325 moko 363:
364: delete(&connection);
1.328 moko 365: return 0;
1.294 moko 366: }
367:
1.317 moko 368: static void httpd_mode() {
1.325 moko 369: config_handler(*sapiInfo);
370:
1.296 moko 371: int sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 372:
1.327 moko 373: #ifdef SIGCHLD
1.325 moko 374: signal(SIGCHLD, SIG_IGN);
1.327 moko 375: #endif
376: #ifdef SIGPIPE
1.325 moko 377: signal(SIGPIPE, SIG_IGN);
378: #endif
1.317 moko 379:
1.297 moko 380: while(1){
1.328 moko 381: #ifndef _MSC_VER
1.325 moko 382: pid_t pid=1;
1.328 moko 383: #endif
1.303 moko 384: try {
1.331 moko 385: request_info.method=NULL; // wipe previous request for correct logging
1.303 moko 386: HTTPD_Connection connection;
387: if(!connection.accept(sock, 5))
388: continue;
389:
1.325 moko 390: switch (HTTPD_Server::mode) {
391: case HTTPD_Server::MULTITHREADED:
1.328 moko 392: #ifdef _MSC_VER
393: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
394: throw Exception("httpd.fork", 0, "thread creation failed");
395: connection.sock = -1;
396: break;
397: #else
1.339 ! moko 398: #ifdef HAVE_TLS
1.325 moko 399: pthread_t thread;
400: pthread_attr_t attr;
401: pthread_attr_init(&attr);
402: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
403:
404: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
405: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
406: connection.sock=-1;
407: break;
1.339 ! moko 408: #endif
1.325 moko 409: case HTTPD_Server::PARALLEL:
410: pid=fork();
411: if(pid<0)
412: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
413: if(pid>0)
414: continue; // parent should close connection.sock as well
415: #endif
416: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 417:
1.325 moko 418: SAPI_Info_HTTPD info(connection);
419: connection_handler(info, connection);
1.303 moko 420: }
421: // closing connection socket in HTTPD_Connection destructor
422: } catch(const Exception& e) { // exception in accept or send_error
423: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 424: }
1.325 moko 425:
1.328 moko 426: #ifndef _MSC_VER
1.325 moko 427: if(pid==0) // fork child
428: exit(0);
1.328 moko 429: #endif
1.294 moko 430: }
431: }
1.231 paf 432:
1.294 moko 433: /** main workhorse */
434:
1.316 moko 435: static void real_parser_handler(bool cgi) {
1.280 moko 436: // init libraries
1.218 paf 437: pa_globals_init();
1.294 moko 438:
1.296 moko 439: if(httpd_host_port){
1.308 moko 440: httpd_mode();
1.294 moko 441: }
442:
443: const char* request_method=getenv("REQUEST_METHOD");
444:
1.308 moko 445: if(!filespec_to_process)
1.282 moko 446: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 447:
1.166 paf 448: char document_root_buf[MAX_STRING];
1.283 moko 449:
1.297 moko 450: // global request info
1.283 moko 451: request_info.path_translated = filespec_to_process;
452: request_info.method = request_method ? request_method : "GET";
453: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
454:
1.122 parser 455: if(cgi) {
1.284 moko 456: // obligatory
1.218 paf 457: const char* path_info=getenv("PATH_INFO");
1.214 paf 458: if(!path_info)
459: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 460:
461: request_info.document_root = getenv("DOCUMENT_ROOT");
462: if(!request_info.document_root) {
1.285 moko 463: // IIS or fcgiwrap minimalistic setup
464: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
465: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
466: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
467:
468: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
469: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
470: request_info.document_root = document_root;
1.283 moko 471: }
1.214 paf 472:
1.285 moko 473: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 474: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 475: // another obligatory
1.285 moko 476: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 477: if(!script_name)
478: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 479: /*
480: http://parser3/env.html?123 =OK
481: $request:uri=/env.html?123
482: REQUEST_URI='/env.html?123'
483: SCRIPT_NAME='/cgi-bin/parser3'
484: PATH_INFO='/env.html'
1.285 moko 485:
1.214 paf 486: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
487: $request:uri=/cgi-bin/parser3/env.html?123
488: REQUEST_URI='/cgi-bin/parser3/env.html?123'
489: SCRIPT_NAME='/cgi-bin/parser3'
490: PATH_INFO='/env.html'
491: */
1.285 moko 492: size_t script_name_len = strlen(script_name);
493: size_t uri_len = strlen(request_info.uri);
1.283 moko 494: 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 495: SAPI::die("CGI: illegal call (1)");
1.284 moko 496: } else { // fcgiwrap minimalistic setup
1.315 moko 497: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 498: }
1.283 moko 499: } else{
1.314 moko 500: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 501: request_info.document_root = document_root_buf;
502: request_info.uri = "";
1.283 moko 503: }
1.122 parser 504:
1.283 moko 505: request_info.content_type = getenv("CONTENT_TYPE");
1.324 moko 506: request_info.content_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH"));
1.283 moko 507: request_info.cookie = getenv("HTTP_COOKIE");
508: request_info.mail_received = mail_received;
1.184 paf 509:
1.319 moko 510: request_info.argv = argv_extra;
1.245 misha 511:
1.233 paf 512: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 513: 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 514: #endif
515:
1.122 parser 516: // prepare to process request
1.323 moko 517: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 518: {
1.297 moko 519: // initing ::request ptr for signal handlers
1.323 moko 520: RequestController rc(&r);
1.256 misha 521: // process the request
1.323 moko 522: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 523: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 524: }
1.231 paf 525:
1.280 moko 526: // finalize libraries
1.225 paf 527: pa_globals_done();
1.218 paf 528: }
529:
1.231 paf 530: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 531: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 532: try {
1.316 moko 533: real_parser_handler(cgi);
1.231 paf 534: } catch(const Exception& e) {
535: return e;
1.122 parser 536: }
1.231 paf 537:
538: return Exception();
1.122 parser 539: }
1.272 moko 540:
1.316 moko 541: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 542: Exception parser_exception;
543: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 544:
1.231 paf 545: __try {
1.316 moko 546: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 547: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 548: if(system_exception)
549: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 550: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 551: else
1.272 moko 552: throw Exception("system", 0, "<no exception record>");
1.218 paf 553: else
1.272 moko 554: throw Exception("system", 0, "<no exception information>");
1.231 paf 555: }
556:
557: if(parser_exception)
558: throw Exception(parser_exception);
559: }
1.273 moko 560:
561: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
562: #else
563: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 564: #endif
1.131 paf 565:
1.218 paf 566: static void usage(const char* program) {
1.188 paf 567: printf(
1.235 paf 568: "Parser/%s\n"
1.329 moko 569: "Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 570: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
571: "\n"
1.307 moko 572: "Usage: %s [options] [file]\n"
1.184 paf 573: "Options are:\n"
1.185 paf 574: #ifdef WITH_MAILRECEIVE
1.193 paf 575: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 576: #endif
1.193 paf 577: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 578: " -p [host:]port Start web server on this port\n"
1.272 moko 579: " -h Display usage information (this message)\n",
580: PARSER_VERSION,
1.184 paf 581: program);
582: exit(EINVAL);
583: }
584:
1.294 moko 585:
1.249 misha 586: int main(int argc, char *argv[]) {
1.233 paf 587: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
588: log("main: entry");
589: #endif
1.217 paf 590:
1.321 moko 591: parser3_filespec = argv[0];
1.294 moko 592: umask(2);
593:
594: // were we started as CGI?
1.316 moko 595: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 596: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
597:
1.203 paf 598: #ifdef SIGUSR1
1.325 moko 599: signal(SIGUSR1, SIGUSR1_handler);
1.203 paf 600: #endif
601: #ifdef SIGPIPE
1.325 moko 602: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 603: #endif
604:
1.301 moko 605: char *raw_filespec_to_process = NULL;
1.210 paf 606: if(cgi) {
1.184 paf 607: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 608: argv_extra=argv + 1;
1.210 paf 609: } else {
1.250 misha 610: int optind=1;
1.245 misha 611: while(optind < argc){
612: char *carg = argv[optind];
613: if(carg[0] != '-')
1.184 paf 614: break;
1.245 misha 615:
616: for(size_t k = 1; k < strlen(carg); k++){
617: char c = carg[k];
618: switch (c) {
619: case 'h':
620: usage(argv[0]);
621: break;
622: case 'f':
623: if(optind < argc - 1){
624: optind++;
1.311 moko 625: config_filespec=argv[optind];
1.245 misha 626: }
627: break;
1.294 moko 628: case 'p':
629: if(optind < argc - 1){
630: optind++;
1.296 moko 631: httpd_host_port=argv[optind];
1.294 moko 632: }
633: break;
1.185 paf 634: #ifdef WITH_MAILRECEIVE
1.245 misha 635: case 'm':
636: mail_received=true;
637: break;
638: #endif
639: default:
640: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
641: usage(argv[0]);
642: break;
643: }
1.184 paf 644: }
1.245 misha 645: optind++;
1.184 paf 646: }
1.245 misha 647:
648: if (optind > argc - 1) {
1.296 moko 649: if(!httpd_host_port) {
1.294 moko 650: fprintf(stderr, "%s: file not specified\n", argv[0]);
651: usage(argv[0]);
652: }
653: } else {
654: raw_filespec_to_process=argv[optind];
1.10 paf 655: }
1.294 moko 656:
1.296 moko 657: if (httpd_host_port && mail_received) {
1.294 moko 658: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
659: usage(argv[0]);
660: }
1.310 moko 661:
1.319 moko 662: argv_extra=argv + optind;
1.10 paf 663: }
664:
1.264 moko 665: #ifdef _MSC_VER
1.100 parser 666: setmode(fileno(stdin), _O_BINARY);
667: setmode(fileno(stdout), _O_BINARY);
668: setmode(fileno(stderr), _O_BINARY);
669: #endif
670:
1.218 paf 671: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 672: // Get current flag
673: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
674:
675: // Turn on leak-checking bit
676: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
677:
678: // Set flag to the new value
679: _CrtSetDbgFlag( tmpFlag );
1.138 paf 680:
1.218 paf 681: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
682: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 683: #endif
684:
1.318 moko 685: try { // global try
686: char filespec_to_process_buf[MAX_STRING];
687: if(raw_filespec_to_process && *raw_filespec_to_process){
688: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
689: filespec_to_process=filespec_to_process_buf;
690: }
1.10 paf 691:
1.316 moko 692: REAL_PARSER_HANDLER(cgi);
1.292 moko 693: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 694: SAPI::die("%s", e.comment());
1.16 paf 695: }
1.109 parser 696:
1.233 paf 697: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
698: log("main: successful return");
699: #endif
1.299 moko 700: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 701: }
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