Annotation of parser3/src/targets/cgi/parser3.C, revision 1.329
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:
1.329 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.328 2020/12/15 13:08:17 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"
1.266 moko 17: #include "pa_vconsole.h"
1.294 moko 18: #include "pa_sapi_info.h"
1.207 paf 19:
1.263 moko 20: #ifdef _MSC_VER
1.264 moko 21: #include <crtdbg.h>
1.263 moko 22: #include <windows.h>
23: #include <direct.h>
1.328 moko 24:
25: extern "C" HANDLE WINAPI GC_CreateThread(LPSECURITY_ATTRIBUTES, DWORD, LPTHREAD_START_ROUTINE, LPVOID, DWORD, LPDWORD);
26:
27: #else
28:
29: extern "C" int GC_pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void * /* arg */);
30:
1.120 parser 31: #endif
32:
1.232 paf 33: // defines
1.231 paf 34:
1.233 paf 35: // comment remove me after debugging
1.288 moko 36: //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log"
1.233 paf 37:
1.278 moko 38: #if defined(_MSC_VER) && !defined(_DEBUG)
1.231 paf 39: # define PA_SUPPRESS_SYSTEM_EXCEPTION
40: #endif
41:
1.109 parser 42: // consts
1.84 parser 43:
1.175 paf 44: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 45: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 46: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 47:
1.316 moko 48: static const char* filespec_to_process = 0; // [file]
49: static const char* httpd_host_port = 0; // -p option
1.319 moko 50: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.316 moko 51: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.322 moko 52: static char* parser3_filespec = 0; // argv[0]
1.319 moko 53: static char** argv_extra = NULL;
1.245 misha 54:
1.201 paf 55: // for signal handlers
1.325 moko 56: static THREAD_LOCAL Request *request=0;
1.309 moko 57:
1.317 moko 58: // for error logging
1.325 moko 59: static THREAD_LOCAL Request_info request_info; // global for correct log() reporting
1.322 moko 60: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 61:
1.46 paf 62: // SAPI
1.86 parser 63:
1.218 paf 64: static void log(const char* fmt, va_list args) {
1.193 paf 65: bool opened=false;
1.61 paf 66: FILE *f=0;
67:
1.226 paf 68: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
69: if(!log_by_env)
70: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
71: if(log_by_env) {
72: f=fopen(log_by_env, "at");
73: opened=f!=0;
74: }
1.272 moko 75: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 76: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
77: opened=f!=0;
78: #endif
1.226 paf 79:
1.316 moko 80: if(!opened && filespec_4log) {
1.193 paf 81: char beside_config_path[MAX_STRING];
1.316 moko 82: strncpy(beside_config_path, filespec_4log, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
1.272 moko 83: if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename
1.193 paf 84: // no path, just filename
1.316 moko 85: strcpy(beside_config_path, ".");
1.193 paf 86: }
87:
88: char file_spec[MAX_STRING];
1.272 moko 89: snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path);
1.193 paf 90: f=fopen(file_spec, "at");
91: opened=f!=0;
92: }
1.192 paf 93: // fallback to stderr
1.61 paf 94: if(!opened)
95: f=stderr;
1.208 paf 96:
97: // use no memory [so that we could log out-of-memory error]
98: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 99:
100: // prefix
101: time_t t=time(0);
1.218 paf 102: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 103: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.272 moko 104: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)getpid() );
1.171 paf 105: }
1.61 paf 106: // message
1.117 parser 107:
1.246 misha 108: char buf[MAX_LOG_STRING];
109: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
110: size=remove_crlf(buf, buf+size);
1.239 paf 111: fwrite(buf, size, 1, f);
112:
1.297 moko 113: if(request_info.method) {
1.302 moko 114: 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 115: } else
116: fputs(" [no request info]\n", f);
1.61 paf 117:
118: if(opened)
119: fclose(f);
1.85 parser 120: else
121: fflush(f);
1.124 parser 122: }
1.272 moko 123:
1.236 paf 124: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 125: static void log(const char* fmt, ...) {
1.272 moko 126: va_list args;
1.233 paf 127: va_start(args,fmt);
128: log(fmt, args);
129: va_end(args);
130: }
1.236 paf 131: #endif
1.124 parser 132:
1.322 moko 133: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 134: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 135: va_list args;
1.124 parser 136: va_start(args,fmt);
137: ::log(fmt, args);
138: va_end(args);
139: }
140:
1.290 moko 141: void SAPI::die(const char* fmt, ...) {
142: va_list args;
143:
144: // logging first, first vsnprintf
145: va_start(args,fmt);
146: ::log(fmt, args);
147: va_end(args);
1.138 paf 148:
1.290 moko 149: // inform user, second vsnprintf
150: va_start(args, fmt);
1.299 moko 151: char message[MAX_STRING];
1.300 moko 152: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 153:
1.299 moko 154: SAPI::send_error(*sapiInfo, message);
1.290 moko 155: exit(1);
1.258 moko 156: // va_end(args);
1.28 paf 157: }
158:
1.294 moko 159: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
160: return info.get_env(name);
1.218 paf 161: }
162:
1.305 moko 163: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
164: return info.set_env(name, value);
165: }
166:
1.294 moko 167: const char* const *SAPI::Env::get(SAPI_Info& info) {
168: return info.get_env();
1.180 paf 169: }
170:
1.294 moko 171: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
172: return info.read_post(buf, max_bytes);
1.10 paf 173: }
174:
1.294 moko 175: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
176: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 177: }
178:
1.294 moko 179: void SAPI::send_header(SAPI_Info& info) {
180: info.send_header();
1.30 paf 181: }
1.20 paf 182:
1.294 moko 183: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
184: return info.send_body(buf, size);
1.58 paf 185: }
186:
1.314 moko 187: static void full_disk_path(const char* file_name, char *buf, size_t buf_size) {
1.308 moko 188: if(file_name[0]=='/'
1.167 paf 189: #ifdef WIN32
1.308 moko 190: || file_name[0] && file_name[1]==':'
1.167 paf 191: #endif
1.308 moko 192: ){
193: strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0;
194: } else {
195: char cwd[MAX_STRING];
196: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
197: }
1.166 paf 198: #ifdef WIN32
199: back_slashes_to_slashes(buf);
200: #endif
1.97 parser 201: }
202:
1.218 paf 203: static void log_signal(const char* signal_name) {
1.294 moko 204: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 205: }
206:
1.201 paf 207: #ifdef SIGUSR1
1.205 paf 208: static void SIGUSR1_handler(int /*sig*/){
209: log_signal("SIGUSR1");
1.201 paf 210: }
211: #endif
212:
213: #ifdef SIGPIPE
1.243 misha 214: #define SIGPIPE_NAME "SIGPIPE"
215: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 216: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 217: Value* sigpipe=0;
218: if(request)
1.251 misha 219: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 220: if(sigpipe && sigpipe->as_bool())
1.244 misha 221: log_signal(SIGPIPE_NAME);
1.243 misha 222:
1.201 paf 223: if(request)
1.276 moko 224: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 225: }
226: #endif
227:
1.322 moko 228: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 229: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 230: filespec_4log=config_filespec_option;
231: if(!filespec_4log)
1.321 moko 232: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 233: if(!filespec_4log)
234: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
235: if(!filespec_4log){
1.321 moko 236: // next to the executable
237: char *beside_executable_path = pa_strdup(executable_path);
238: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
239: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 240: if(entry_exists(filespec_4log))
241: return filespec_4log;
242: #ifdef SYSTEM_CONFIG_FILE
243: if(entry_exists(SYSTEM_CONFIG_FILE)){
244: filespec_4log=NULL;
245: return SYSTEM_CONFIG_FILE;
246: }
247: #endif
248: return NULL;
1.321 moko 249: }
250: return filespec_4log;
251: }
252:
1.227 paf 253: #ifdef WIN32
1.292 moko 254: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 255: // 404;http://servername/page[?param=value...]
1.227 paf 256: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
257: // and can consider that as an indication that this is IIS way to report errors
258:
1.272 moko 259: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 260: size_t original_len=strlen(original);
1.272 moko 261: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 262: char* cur=reconstructed;
263: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
264: memcpy(cur, original, 3); cur+=3;
265: *cur++='&';
266:
1.228 paf 267: const char* qmark_at=strchr(original, '?');
1.227 paf 268: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
269: {
1.272 moko 270: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 271: memcpy(cur, original+4, value_len); cur+=value_len;
272: }
273:
274: if(qmark_at) {
275: *cur++='&';
276: strcpy(cur, qmark_at+1/*skip ? itself*/);
277: } else
278: *cur=0;
279:
280: return reconstructed;
281: }
282:
283: return original;
284: }
1.283 moko 285:
286: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
287: #else
288: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 289: #endif
290:
1.256 misha 291:
292: class RequestController {
293: public:
294: RequestController(Request* r){
295: ::request=r;
296: }
297: ~RequestController(){
298: ::request=0;
299: }
300: };
301:
1.317 moko 302: static void config_handler(SAPI_Info &info) {
303: char document_root_buf[MAX_STRING];
304: full_disk_path("", document_root_buf, sizeof(document_root_buf));
305:
306: request_info.document_root = document_root_buf;
307: request_info.uri = "";
1.319 moko 308: request_info.argv = argv_extra;
1.317 moko 309:
310: // prepare to process request
1.323 moko 311: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.317 moko 312: {
313: // initing ::request ptr for signal handlers
1.323 moko 314: RequestController rc(&r);
1.321 moko 315: // only once
316: config_filespec = locate_config(config_filespec, parser3_filespec);
1.317 moko 317: // process main auto.p only
1.323 moko 318: r.core(config_filespec, false, String::Empty);
1.317 moko 319: // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory
320: }
321: }
322:
323: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.325 moko 324: try {
325: connection.read_header();
326: info.populate_env();
327:
328: char document_root_buf[MAX_STRING];
329: full_disk_path("", document_root_buf, sizeof(document_root_buf));
330:
331: memset(&request_info, 0, sizeof(request_info));
332: request_info.document_root = document_root_buf;
333: request_info.path_translated = filespec_to_process;
334: request_info.method = connection.method();
335: request_info.query_string = connection.query();
336: request_info.uri = request_info.strip_absolute_uri(connection.uri());
337: request_info.content_type = connection.content_type();
338: request_info.content_length = (size_t)connection.content_length();
339: request_info.cookie = info.get_env("HTTP_COOKIE");
340: request_info.mail_received = false;
341: request_info.argv = argv_extra;
1.294 moko 342:
1.325 moko 343: // prepare to process request
344: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
345: {
346: // initing ::request ptr for signal handlers
347: RequestController rc(&r);
348: // process the request
349: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main"));
350: // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory
351: }
352: } catch(const Exception& e) { // exception in connection handling or unhandled exception
353: SAPI::log(info, "%s", e.comment());
354: SAPI::send_error(info, e.comment(), info.exception_http_status(e.type()));
355: }
356: }
1.317 moko 357:
1.328 moko 358: #ifdef _MSC_VER
359: DWORD WINAPI connection_thread(void *arg){
360: #else
1.325 moko 361: static void *connection_thread(void *arg){
1.328 moko 362: #endif
1.325 moko 363: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
364: SAPI_Info_HTTPD info(connection);
1.294 moko 365:
1.325 moko 366: try {
367: connection_handler(info, connection);
368: } catch(const Exception& e) { // exception in send_error
369: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 370: }
1.325 moko 371:
372: delete(&connection);
1.328 moko 373: return 0;
1.294 moko 374: }
375:
1.317 moko 376: static void httpd_mode() {
1.325 moko 377: config_handler(*sapiInfo);
378:
1.296 moko 379: int sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 380:
1.327 moko 381: #ifdef SIGCHLD
1.325 moko 382: signal(SIGCHLD, SIG_IGN);
1.327 moko 383: #endif
384: #ifdef SIGPIPE
1.325 moko 385: signal(SIGPIPE, SIG_IGN);
386: #endif
1.317 moko 387:
1.297 moko 388: while(1){
1.328 moko 389: #ifndef _MSC_VER
1.325 moko 390: pid_t pid=1;
1.328 moko 391: #endif
1.303 moko 392: try {
393: HTTPD_Connection connection;
394: if(!connection.accept(sock, 5))
395: continue;
396:
1.325 moko 397: switch (HTTPD_Server::mode) {
398: case HTTPD_Server::MULTITHREADED:
1.328 moko 399: #ifdef _MSC_VER
400: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
401: throw Exception("httpd.fork", 0, "thread creation failed");
402: connection.sock = -1;
403: break;
404: #else
1.325 moko 405: pthread_t thread;
406: pthread_attr_t attr;
407: pthread_attr_init(&attr);
408: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
409:
410: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
411: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
412: connection.sock=-1;
413: break;
414: case HTTPD_Server::PARALLEL:
415: pid=fork();
416: if(pid<0)
417: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
418: if(pid>0)
419: continue; // parent should close connection.sock as well
420: #endif
421: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 422:
1.325 moko 423: SAPI_Info_HTTPD info(connection);
424: connection_handler(info, connection);
1.303 moko 425: }
426: // closing connection socket in HTTPD_Connection destructor
427: } catch(const Exception& e) { // exception in accept or send_error
428: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 429: }
1.325 moko 430:
1.328 moko 431: #ifndef _MSC_VER
1.325 moko 432: if(pid==0) // fork child
433: exit(0);
1.328 moko 434: #endif
1.294 moko 435: }
436: }
1.231 paf 437:
1.294 moko 438: /** main workhorse */
439:
1.316 moko 440: static void real_parser_handler(bool cgi) {
1.280 moko 441: // init libraries
1.218 paf 442: pa_globals_init();
1.294 moko 443:
1.296 moko 444: if(httpd_host_port){
1.308 moko 445: httpd_mode();
1.294 moko 446: }
447:
448: const char* request_method=getenv("REQUEST_METHOD");
449:
1.308 moko 450: if(!filespec_to_process)
1.282 moko 451: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 452:
1.166 paf 453: char document_root_buf[MAX_STRING];
1.283 moko 454:
1.297 moko 455: // global request info
1.283 moko 456: request_info.path_translated = filespec_to_process;
457: request_info.method = request_method ? request_method : "GET";
458: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
459:
1.122 parser 460: if(cgi) {
1.284 moko 461: // obligatory
1.218 paf 462: const char* path_info=getenv("PATH_INFO");
1.214 paf 463: if(!path_info)
464: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 465:
466: request_info.document_root = getenv("DOCUMENT_ROOT");
467: if(!request_info.document_root) {
1.285 moko 468: // IIS or fcgiwrap minimalistic setup
469: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
470: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
471: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
472:
473: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
474: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
475: request_info.document_root = document_root;
1.283 moko 476: }
1.214 paf 477:
1.285 moko 478: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 479: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 480: // another obligatory
1.285 moko 481: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 482: if(!script_name)
483: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 484: /*
485: http://parser3/env.html?123 =OK
486: $request:uri=/env.html?123
487: REQUEST_URI='/env.html?123'
488: SCRIPT_NAME='/cgi-bin/parser3'
489: PATH_INFO='/env.html'
1.285 moko 490:
1.214 paf 491: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
492: $request:uri=/cgi-bin/parser3/env.html?123
493: REQUEST_URI='/cgi-bin/parser3/env.html?123'
494: SCRIPT_NAME='/cgi-bin/parser3'
495: PATH_INFO='/env.html'
496: */
1.285 moko 497: size_t script_name_len = strlen(script_name);
498: size_t uri_len = strlen(request_info.uri);
1.283 moko 499: 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 500: SAPI::die("CGI: illegal call (1)");
1.284 moko 501: } else { // fcgiwrap minimalistic setup
1.315 moko 502: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 503: }
1.283 moko 504: } else{
1.314 moko 505: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 506: request_info.document_root = document_root_buf;
507: request_info.uri = "";
1.283 moko 508: }
1.122 parser 509:
1.283 moko 510: request_info.content_type = getenv("CONTENT_TYPE");
1.324 moko 511: request_info.content_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH"));
1.283 moko 512: request_info.cookie = getenv("HTTP_COOKIE");
513: request_info.mail_received = mail_received;
1.184 paf 514:
1.319 moko 515: request_info.argv = argv_extra;
1.245 misha 516:
1.233 paf 517: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 518: 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 519: #endif
520:
1.122 parser 521: // prepare to process request
1.323 moko 522: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 523: {
1.297 moko 524: // initing ::request ptr for signal handlers
1.323 moko 525: RequestController rc(&r);
1.256 misha 526: // process the request
1.323 moko 527: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 528: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 529: }
1.231 paf 530:
1.280 moko 531: // finalize libraries
1.225 paf 532: pa_globals_done();
1.218 paf 533: }
534:
1.231 paf 535: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 536: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 537: try {
1.316 moko 538: real_parser_handler(cgi);
1.231 paf 539: } catch(const Exception& e) {
540: return e;
1.122 parser 541: }
1.231 paf 542:
543: return Exception();
1.122 parser 544: }
1.272 moko 545:
1.316 moko 546: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 547: Exception parser_exception;
548: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 549:
1.231 paf 550: __try {
1.316 moko 551: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 552: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 553: if(system_exception)
554: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 555: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 556: else
1.272 moko 557: throw Exception("system", 0, "<no exception record>");
1.218 paf 558: else
1.272 moko 559: throw Exception("system", 0, "<no exception information>");
1.231 paf 560: }
561:
562: if(parser_exception)
563: throw Exception(parser_exception);
564: }
1.273 moko 565:
566: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
567: #else
568: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 569: #endif
1.131 paf 570:
1.218 paf 571: static void usage(const char* program) {
1.188 paf 572: printf(
1.235 paf 573: "Parser/%s\n"
1.329 ! moko 574: "Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 575: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
576: "\n"
1.307 moko 577: "Usage: %s [options] [file]\n"
1.184 paf 578: "Options are:\n"
1.185 paf 579: #ifdef WITH_MAILRECEIVE
1.193 paf 580: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 581: #endif
1.193 paf 582: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 583: " -p [host:]port Start web server on this port\n"
1.272 moko 584: " -h Display usage information (this message)\n",
585: PARSER_VERSION,
1.184 paf 586: program);
587: exit(EINVAL);
588: }
589:
1.294 moko 590:
1.249 misha 591: int main(int argc, char *argv[]) {
1.233 paf 592: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
593: log("main: entry");
594: #endif
1.217 paf 595:
1.321 moko 596: parser3_filespec = argv[0];
1.294 moko 597: umask(2);
598:
599: // were we started as CGI?
1.316 moko 600: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 601: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
602:
1.203 paf 603: #ifdef SIGUSR1
1.325 moko 604: signal(SIGUSR1, SIGUSR1_handler);
1.203 paf 605: #endif
606: #ifdef SIGPIPE
1.325 moko 607: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 608: #endif
609:
1.301 moko 610: char *raw_filespec_to_process = NULL;
1.210 paf 611: if(cgi) {
1.184 paf 612: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 613: argv_extra=argv + 1;
1.210 paf 614: } else {
1.250 misha 615: int optind=1;
1.245 misha 616: while(optind < argc){
617: char *carg = argv[optind];
618: if(carg[0] != '-')
1.184 paf 619: break;
1.245 misha 620:
621: for(size_t k = 1; k < strlen(carg); k++){
622: char c = carg[k];
623: switch (c) {
624: case 'h':
625: usage(argv[0]);
626: break;
627: case 'f':
628: if(optind < argc - 1){
629: optind++;
1.311 moko 630: config_filespec=argv[optind];
1.245 misha 631: }
632: break;
1.294 moko 633: case 'p':
634: if(optind < argc - 1){
635: optind++;
1.296 moko 636: httpd_host_port=argv[optind];
1.294 moko 637: }
638: break;
1.185 paf 639: #ifdef WITH_MAILRECEIVE
1.245 misha 640: case 'm':
641: mail_received=true;
642: break;
643: #endif
644: default:
645: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
646: usage(argv[0]);
647: break;
648: }
1.184 paf 649: }
1.245 misha 650: optind++;
1.184 paf 651: }
1.245 misha 652:
653: if (optind > argc - 1) {
1.296 moko 654: if(!httpd_host_port) {
1.294 moko 655: fprintf(stderr, "%s: file not specified\n", argv[0]);
656: usage(argv[0]);
657: }
658: } else {
659: raw_filespec_to_process=argv[optind];
1.10 paf 660: }
1.294 moko 661:
1.296 moko 662: if (httpd_host_port && mail_received) {
1.294 moko 663: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
664: usage(argv[0]);
665: }
1.310 moko 666:
1.319 moko 667: argv_extra=argv + optind;
1.10 paf 668: }
669:
1.264 moko 670: #ifdef _MSC_VER
1.100 parser 671: setmode(fileno(stdin), _O_BINARY);
672: setmode(fileno(stdout), _O_BINARY);
673: setmode(fileno(stderr), _O_BINARY);
674: #endif
675:
1.218 paf 676: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 677: // Get current flag
678: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
679:
680: // Turn on leak-checking bit
681: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
682:
683: // Set flag to the new value
684: _CrtSetDbgFlag( tmpFlag );
1.138 paf 685:
1.218 paf 686: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
687: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 688: #endif
689:
1.318 moko 690: try { // global try
691: char filespec_to_process_buf[MAX_STRING];
692: if(raw_filespec_to_process && *raw_filespec_to_process){
693: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
694: filespec_to_process=filespec_to_process_buf;
695: }
1.10 paf 696:
1.316 moko 697: REAL_PARSER_HANDLER(cgi);
1.292 moko 698: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 699: SAPI::die("%s", e.comment());
1.16 paf 700: }
1.109 parser 701:
1.233 paf 702: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
703: log("main: successful return");
704: #endif
1.299 moko 705: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 706: }
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