Annotation of parser3/src/targets/cgi/parser3.C, revision 1.341
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:
1.341 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.340 2020/12/21 23:35:50 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
1.341 ! 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];
1.316 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:
1.341 ! 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: ){
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 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)
277: #else
278: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 279: #endif
280:
1.256 misha 281:
282: class RequestController {
283: public:
284: RequestController(Request* r){
1.341 ! moko 285: request=r;
1.256 misha 286: }
287: ~RequestController(){
1.341 ! moko 288: request=0;
! 289: }
! 290: };
! 291:
! 292: class RequestInfoController {
! 293: public:
! 294: RequestInfoController(Request_info* rinfo){
! 295: request_info_4log=rinfo;
! 296: }
! 297: ~RequestInfoController(){
! 298: request_info_4log=0;
1.256 misha 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:
1.341 ! moko 306: Request_info request_info;
! 307: RequestInfoController ric(&request_info);
! 308:
1.317 moko 309: request_info.document_root = document_root_buf;
310: request_info.uri = "";
1.319 moko 311: request_info.argv = argv_extra;
1.317 moko 312:
313: // prepare to process request
1.323 moko 314: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 315: // only once
316: config_filespec = locate_config(config_filespec, parser3_filespec);
317: // process main auto.p only
318: r.core(config_filespec, false, String::Empty);
1.317 moko 319: }
320:
321: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.341 ! moko 322: Request_info request_info;
! 323: RequestInfoController ric(&request_info);
! 324:
1.325 moko 325: try {
1.336 moko 326: if(!connection.read_header())
1.332 moko 327: return; // ignore "void" connections
1.325 moko 328: info.populate_env();
329:
330: char document_root_buf[MAX_STRING];
331: full_disk_path("", document_root_buf, sizeof(document_root_buf));
332:
333: request_info.document_root = document_root_buf;
334: request_info.path_translated = filespec_to_process;
335: request_info.method = connection.method();
336: request_info.query_string = connection.query();
337: request_info.uri = request_info.strip_absolute_uri(connection.uri());
338: request_info.content_type = connection.content_type();
339: request_info.content_length = (size_t)connection.content_length();
340: request_info.cookie = info.get_env("HTTP_COOKIE");
341: request_info.mail_received = false;
342: request_info.argv = argv_extra;
1.294 moko 343:
1.325 moko 344: // prepare to process request
345: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 346: // process the request
347: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main"));
1.325 moko 348: } catch(const Exception& e) { // exception in connection handling or unhandled exception
349: SAPI::log(info, "%s", e.comment());
1.337 moko 350: const char *status = info.exception_http_status(e.type());
1.338 moko 351: if(*status){
352: info.clear_response_headers();
1.337 moko 353: SAPI::send_error(info, e.comment(), status);
1.338 moko 354: }
1.325 moko 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
1.339 moko 405: #ifdef HAVE_TLS
1.325 moko 406: pthread_t thread;
407: pthread_attr_t attr;
408: pthread_attr_init(&attr);
409: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
410:
411: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
412: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
413: connection.sock=-1;
414: break;
1.339 moko 415: #endif
1.325 moko 416: case HTTPD_Server::PARALLEL:
417: pid=fork();
418: if(pid<0)
419: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
420: if(pid>0)
421: continue; // parent should close connection.sock as well
422: #endif
423: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 424:
1.325 moko 425: SAPI_Info_HTTPD info(connection);
426: connection_handler(info, connection);
1.303 moko 427: }
428: // closing connection socket in HTTPD_Connection destructor
429: } catch(const Exception& e) { // exception in accept or send_error
430: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 431: }
1.325 moko 432:
1.328 moko 433: #ifndef _MSC_VER
1.325 moko 434: if(pid==0) // fork child
435: exit(0);
1.328 moko 436: #endif
1.294 moko 437: }
438: }
1.231 paf 439:
1.294 moko 440: /** main workhorse */
441:
1.316 moko 442: static void real_parser_handler(bool cgi) {
1.280 moko 443: // init libraries
1.218 paf 444: pa_globals_init();
1.294 moko 445:
1.296 moko 446: if(httpd_host_port){
1.308 moko 447: httpd_mode();
1.294 moko 448: }
449:
450: const char* request_method=getenv("REQUEST_METHOD");
451:
1.308 moko 452: if(!filespec_to_process)
1.282 moko 453: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 454:
1.166 paf 455: char document_root_buf[MAX_STRING];
1.283 moko 456:
1.297 moko 457: // global request info
1.341 ! moko 458: Request_info request_info;
! 459: RequestInfoController ric(&request_info);
! 460:
1.283 moko 461: request_info.path_translated = filespec_to_process;
462: request_info.method = request_method ? request_method : "GET";
463: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
464:
1.122 parser 465: if(cgi) {
1.284 moko 466: // obligatory
1.218 paf 467: const char* path_info=getenv("PATH_INFO");
1.214 paf 468: if(!path_info)
469: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 470:
471: request_info.document_root = getenv("DOCUMENT_ROOT");
472: if(!request_info.document_root) {
1.285 moko 473: // IIS or fcgiwrap minimalistic setup
474: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
475: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
476: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
477:
478: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
479: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
480: request_info.document_root = document_root;
1.283 moko 481: }
1.214 paf 482:
1.285 moko 483: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 484: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 485: // another obligatory
1.285 moko 486: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 487: if(!script_name)
488: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 489: /*
490: http://parser3/env.html?123 =OK
491: $request:uri=/env.html?123
492: REQUEST_URI='/env.html?123'
493: SCRIPT_NAME='/cgi-bin/parser3'
494: PATH_INFO='/env.html'
1.285 moko 495:
1.214 paf 496: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
497: $request:uri=/cgi-bin/parser3/env.html?123
498: REQUEST_URI='/cgi-bin/parser3/env.html?123'
499: SCRIPT_NAME='/cgi-bin/parser3'
500: PATH_INFO='/env.html'
501: */
1.285 moko 502: size_t script_name_len = strlen(script_name);
503: size_t uri_len = strlen(request_info.uri);
1.283 moko 504: 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 505: SAPI::die("CGI: illegal call (1)");
1.284 moko 506: } else { // fcgiwrap minimalistic setup
1.315 moko 507: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 508: }
1.283 moko 509: } else{
1.314 moko 510: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 511: request_info.document_root = document_root_buf;
512: request_info.uri = "";
1.283 moko 513: }
1.122 parser 514:
1.283 moko 515: request_info.content_type = getenv("CONTENT_TYPE");
1.324 moko 516: request_info.content_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH"));
1.283 moko 517: request_info.cookie = getenv("HTTP_COOKIE");
518: request_info.mail_received = mail_received;
1.184 paf 519:
1.319 moko 520: request_info.argv = argv_extra;
1.245 misha 521:
1.233 paf 522: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 523: 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 524: #endif
525:
1.122 parser 526: // prepare to process request
1.323 moko 527: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 528: {
1.297 moko 529: // initing ::request ptr for signal handlers
1.323 moko 530: RequestController rc(&r);
1.256 misha 531: // process the request
1.323 moko 532: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 533: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 534: }
1.231 paf 535:
1.280 moko 536: // finalize libraries
1.225 paf 537: pa_globals_done();
1.218 paf 538: }
539:
1.231 paf 540: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 541: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 542: try {
1.316 moko 543: real_parser_handler(cgi);
1.231 paf 544: } catch(const Exception& e) {
545: return e;
1.122 parser 546: }
1.231 paf 547:
548: return Exception();
1.122 parser 549: }
1.272 moko 550:
1.316 moko 551: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 552: Exception parser_exception;
553: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 554:
1.231 paf 555: __try {
1.316 moko 556: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 557: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 558: if(system_exception)
559: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 560: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 561: else
1.272 moko 562: throw Exception("system", 0, "<no exception record>");
1.218 paf 563: else
1.272 moko 564: throw Exception("system", 0, "<no exception information>");
1.231 paf 565: }
566:
567: if(parser_exception)
568: throw Exception(parser_exception);
569: }
1.273 moko 570:
571: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
572: #else
573: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 574: #endif
1.131 paf 575:
1.218 paf 576: static void usage(const char* program) {
1.188 paf 577: printf(
1.235 paf 578: "Parser/%s\n"
1.329 moko 579: "Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 580: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
581: "\n"
1.307 moko 582: "Usage: %s [options] [file]\n"
1.184 paf 583: "Options are:\n"
1.185 paf 584: #ifdef WITH_MAILRECEIVE
1.193 paf 585: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 586: #endif
1.193 paf 587: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 588: " -p [host:]port Start web server on this port\n"
1.272 moko 589: " -h Display usage information (this message)\n",
590: PARSER_VERSION,
1.184 paf 591: program);
592: exit(EINVAL);
593: }
594:
1.294 moko 595:
1.249 misha 596: int main(int argc, char *argv[]) {
1.233 paf 597: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
598: log("main: entry");
599: #endif
1.217 paf 600:
1.321 moko 601: parser3_filespec = argv[0];
1.294 moko 602: umask(2);
603:
604: // were we started as CGI?
1.316 moko 605: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 606: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
607:
1.203 paf 608: #ifdef SIGPIPE
1.325 moko 609: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 610: #endif
611:
1.301 moko 612: char *raw_filespec_to_process = NULL;
1.210 paf 613: if(cgi) {
1.184 paf 614: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 615: argv_extra=argv + 1;
1.210 paf 616: } else {
1.250 misha 617: int optind=1;
1.245 misha 618: while(optind < argc){
619: char *carg = argv[optind];
620: if(carg[0] != '-')
1.184 paf 621: break;
1.245 misha 622:
623: for(size_t k = 1; k < strlen(carg); k++){
624: char c = carg[k];
625: switch (c) {
626: case 'h':
627: usage(argv[0]);
628: break;
629: case 'f':
630: if(optind < argc - 1){
631: optind++;
1.311 moko 632: config_filespec=argv[optind];
1.245 misha 633: }
634: break;
1.294 moko 635: case 'p':
636: if(optind < argc - 1){
637: optind++;
1.296 moko 638: httpd_host_port=argv[optind];
1.294 moko 639: }
640: break;
1.185 paf 641: #ifdef WITH_MAILRECEIVE
1.245 misha 642: case 'm':
643: mail_received=true;
644: break;
645: #endif
646: default:
647: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
648: usage(argv[0]);
649: break;
650: }
1.184 paf 651: }
1.245 misha 652: optind++;
1.184 paf 653: }
1.245 misha 654:
655: if (optind > argc - 1) {
1.296 moko 656: if(!httpd_host_port) {
1.294 moko 657: fprintf(stderr, "%s: file not specified\n", argv[0]);
658: usage(argv[0]);
659: }
660: } else {
661: raw_filespec_to_process=argv[optind];
1.10 paf 662: }
1.294 moko 663:
1.296 moko 664: if (httpd_host_port && mail_received) {
1.294 moko 665: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
666: usage(argv[0]);
667: }
1.310 moko 668:
1.319 moko 669: argv_extra=argv + optind;
1.10 paf 670: }
671:
1.264 moko 672: #ifdef _MSC_VER
1.100 parser 673: setmode(fileno(stdin), _O_BINARY);
674: setmode(fileno(stdout), _O_BINARY);
675: setmode(fileno(stderr), _O_BINARY);
676: #endif
677:
1.218 paf 678: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 679: // Get current flag
680: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
681:
682: // Turn on leak-checking bit
683: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
684:
685: // Set flag to the new value
686: _CrtSetDbgFlag( tmpFlag );
1.138 paf 687:
1.218 paf 688: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
689: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 690: #endif
691:
1.318 moko 692: try { // global try
693: char filespec_to_process_buf[MAX_STRING];
694: if(raw_filespec_to_process && *raw_filespec_to_process){
695: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
696: filespec_to_process=filespec_to_process_buf;
697: }
1.10 paf 698:
1.316 moko 699: REAL_PARSER_HANDLER(cgi);
1.292 moko 700: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 701: SAPI::die("%s", e.comment());
1.16 paf 702: }
1.109 parser 703:
1.233 paf 704: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
705: log("main: successful return");
706: #endif
1.299 moko 707: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 708: }
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