Annotation of parser3/src/targets/cgi/parser3.C, revision 1.263
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.260 moko 4: Copyright (c) 2001-2012 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:
1.263 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.262 2013/07/22 12:29:39 moko Exp $";
1.1 paf 9:
1.40 paf 10: #include "pa_config_includes.h"
1.3 paf 11:
1.263 ! moko 12: #ifdef _MSC_VER
! 13: #include <crtdbg.h>
1.3 paf 14: #endif
1.27 paf 15:
1.37 paf 16: #include "pa_sapi.h"
1.76 paf 17: #include "classes.h"
1.24 paf 18: #include "pa_common.h"
1.2 paf 19: #include "pa_request.h"
1.57 paf 20: #include "pa_socks.h"
1.68 paf 21: #include "pa_version.h"
1.207 paf 22:
1.263 ! moko 23: #ifdef _MSC_VER
! 24: #include <windows.h>
! 25: #include <direct.h>
1.120 parser 26: #endif
27:
1.232 paf 28: // defines
1.231 paf 29:
1.233 paf 30: // comment remove me after debugging
1.234 paf 31: //#define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser\\debug-parser3.log"
1.233 paf 32:
1.231 paf 33: #if _MSC_VER && !defined(_DEBUG)
34: # define PA_SUPPRESS_SYSTEM_EXCEPTION
35: #endif
36:
1.196 paf 37: //#define DEBUG_MAILRECEIVE "mailreceive.eml"
1.160 paf 38:
1.109 parser 39: // consts
1.84 parser 40:
1.175 paf 41: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 42: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 43: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 44:
1.42 paf 45: /// IIS refuses to read bigger chunks
46: const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M
47:
1.218 paf 48: static const char* argv0;
49: static const char* config_filespec_cstr=0;
1.193 paf 50: static bool fail_on_config_read_problem=true;
1.192 paf 51:
1.245 misha 52: static int args_skip=1;
53: static char** argv_all = NULL;
54:
1.184 paf 55: static bool cgi; ///< we were started as CGI?
56: static bool mail_received=false; ///< we were started with -m option? [asked to parse incoming message to $mail:received]
1.5 paf 57:
1.201 paf 58: // for signal handlers
59: Request *request=0;
1.218 paf 60: Request_info *request_info=0;
61: bool execution_canceled=false;
1.201 paf 62:
1.46 paf 63: // SAPI
1.86 parser 64:
1.218 paf 65: class SAPI_Info{} SAPI_info;
66:
67: static void log(const char* fmt, va_list args) {
1.193 paf 68: bool opened=false;
1.61 paf 69: FILE *f=0;
70:
1.226 paf 71: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
72: if(!log_by_env)
73: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
74: if(log_by_env) {
75: f=fopen(log_by_env, "at");
76: opened=f!=0;
77: }
1.233 paf 78: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
79: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
80: opened=f!=0;
81: #endif
1.226 paf 82:
83: if(!opened && config_filespec_cstr) {
1.193 paf 84: char beside_config_path[MAX_STRING];
85: strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
86: if(!(
87: rsplit(beside_config_path, '/') ||
88: rsplit(beside_config_path, '\\'))) { // strip filename
89: // no path, just filename
90: beside_config_path[0]='.'; beside_config_path[1]=0;
91: }
92:
93: char file_spec[MAX_STRING];
94: snprintf(file_spec, MAX_STRING,
95: "%s/parser3.log", beside_config_path);
96: f=fopen(file_spec, "at");
97: opened=f!=0;
98: }
1.192 paf 99: // fallback to stderr
1.61 paf 100: if(!opened)
101: f=stderr;
1.208 paf 102:
103: // use no memory [so that we could log out-of-memory error]
104: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 105:
106: // prefix
107: time_t t=time(0);
1.218 paf 108: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 109: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.261 moko 110: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp,
1.236 paf 111: (unsigned int)getpid()
1.233 paf 112: );
1.171 paf 113: }
1.61 paf 114: // message
1.117 parser 115:
1.246 misha 116: char buf[MAX_LOG_STRING];
117: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
118: size=remove_crlf(buf, buf+size);
1.239 paf 119: fwrite(buf, size, 1, f);
120:
121: if(request_info)
1.261 moko 122: fprintf(f, " [uri=%s, method=%s, cl=%lu]",
1.239 paf 123: request_info->uri? request_info->uri: "<unknown>",
124: request_info->method? request_info->method: "<unknown>",
125: request_info->content_length);
126: else
127: fputs(" [no request info]", f);
1.117 parser 128:
1.61 paf 129: // newline
1.239 paf 130: fputs("\n", f);
1.61 paf 131:
132: if(opened)
133: fclose(f);
1.85 parser 134: else
135: fflush(f);
1.124 parser 136: }
1.236 paf 137: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 138: static void log(const char* fmt, ...) {
139: va_list args;
140: va_start(args,fmt);
141: log(fmt, args);
142: va_end(args);
143: }
1.236 paf 144: #endif
1.124 parser 145:
146: // appends to parser3.log located beside my binary if openable, to stderr otherwize
1.218 paf 147: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.124 parser 148: va_list args;
149: va_start(args,fmt);
150: ::log(fmt, args);
151: va_end(args);
152: }
153:
1.218 paf 154: static void die_or_abort(const char* fmt, va_list args, bool write_core) {
1.138 paf 155: // inform user
156:
1.134 paf 157: char body[MAX_STRING];
1.138 paf 158: int content_length=vsnprintf(body, MAX_STRING, fmt, args);
1.134 paf 159:
160: // prepare header
161: // let's be honest, that's bad we couldn't produce valid output
1.255 misha 162: // capitalized headers passed for preventing malloc during capitalization
163: SAPI::add_header_attribute(SAPI_info, HTTP_STATUS_CAPITALIZED, "500");
164: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain");
165: // don't use 'format' function because it calls malloc
166: char content_length_cstr[MAX_NUMBER];
167: snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length);
168: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr);
1.134 paf 169:
170: // send header
1.218 paf 171: SAPI::send_header(SAPI_info);
1.134 paf 172:
173: // body
1.218 paf 174: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 175:
1.218 paf 176: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
177: if(write_core) {
178: #if defined(WIN32) && !defined(_DEBUG)
179: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
180: exit(1);
1.214 paf 181: #else
1.218 paf 182: #if _MSC_VER
183: _asm int 3;
184: #endif
185: abort();
1.214 paf 186: #endif
1.218 paf 187: }
188: else
189: exit(1);
190: }
191:
192: void SAPI::die(const char* fmt, ...) {
1.258 moko 193: va_list args;
194:
195: // logging first, can't log inside die_or_abort due to vsnprintf (bug #106)
196: va_start(args,fmt);
197: ::log(fmt, args);
198: va_end(args);
199:
1.218 paf 200: va_start(args, fmt);
1.258 moko 201: die_or_abort(fmt, args, false /*write core?*/);
202: // va_end(args);
1.61 paf 203: }
204:
1.218 paf 205: void SAPI::abort(const char* fmt, ...) {
1.258 moko 206: va_list args;
207:
208: // logging first, can't log inside die_or_abort due to vsnprintf (bug #106)
209: va_start(args,fmt);
210: ::log(fmt, args);
211: va_end(args);
212:
1.218 paf 213: va_start(args, fmt);
1.258 moko 214: die_or_abort(fmt, args, true /*write core?*/);
215: // va_end(args);
1.28 paf 216: }
217:
1.218 paf 218: char* SAPI::get_env(SAPI_Info& , const char* name) {
219: if(char *local=getenv(name))
220: return pa_strdup(local);
221: else
222: return 0;
223: }
224:
225: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 226: #ifdef _MSC_VER
227: extern char **_environ;
228: return _environ;
229: #else
230: extern char **environ;
231: return environ;
232: #endif
233: }
234:
1.218 paf 235: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 236: size_t read_size=0;
1.12 paf 237: do {
1.200 paf 238: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 239: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 240: if(chunk_size<=0)
1.12 paf 241: break;
242: read_size+=chunk_size;
243: } while(read_size<max_bytes);
244:
245: return read_size;
1.10 paf 246: }
247:
1.218 paf 248: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.242 misha 249: if( cgi && (!request || !request->console.was_used()) )
1.254 misha 250: printf("%s: %s\n", capitalize(dont_store_key), dont_store_value);
1.19 paf 251: }
252:
1.56 paf 253: /// @todo intelligent cache-control
1.218 paf 254: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 255: if(cgi) {
1.147 paf 256: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 257:
258: // header | body delimiter
1.20 paf 259: puts("");
1.33 paf 260: }
1.30 paf 261: }
1.20 paf 262:
1.229 paf 263: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
264: return stdout_write(buf, size);
1.58 paf 265: }
266:
1.97 parser 267: //
268:
1.218 paf 269: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 270: if(file_name)
1.167 paf 271: if(file_name[0]=='/'
272: #ifdef WIN32
1.210 paf 273: || file_name[0] && file_name[1]==':'
1.167 paf 274: #endif
1.210 paf 275: )
1.218 paf 276: strncpy(buf, file_name, buf_size);
1.167 paf 277: else {
1.261 moko 278: char cwd[MAX_STRING];
279: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
1.167 paf 280: }
281: else
282: buf[0]=0;
1.166 paf 283: #ifdef WIN32
284: back_slashes_to_slashes(buf);
285: #endif
1.97 parser 286: }
287:
1.218 paf 288: static void log_signal(const char* signal_name) {
289: if(request_info)
1.219 paf 290: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 291: signal_name,
292: request?"executing code":"reading data",
293: request_info->uri,
294: request_info->method,
295: request_info->content_length);
296: else
297: SAPI::log(SAPI_info, "%s received before or after processing request",
298: signal_name);
1.205 paf 299: }
300:
1.201 paf 301: #ifdef SIGUSR1
1.205 paf 302: static void SIGUSR1_handler(int /*sig*/){
303: log_signal("SIGUSR1");
1.201 paf 304: }
305: #endif
306:
307: #ifdef SIGPIPE
1.243 misha 308: #define SIGPIPE_NAME "SIGPIPE"
309: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 310: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 311: Value* sigpipe=0;
312: if(request)
1.251 misha 313: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 314: if(sigpipe && sigpipe->as_bool())
1.244 misha 315: log_signal(SIGPIPE_NAME);
1.243 misha 316:
1.218 paf 317: execution_canceled=true;
1.201 paf 318: if(request)
1.218 paf 319: request->set_interrupted(true);
1.201 paf 320: }
321: #endif
322:
1.227 paf 323: #ifdef WIN32
324: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
325: {
1.228 paf 326: // 404;http://servername/page[?param=value...]
1.227 paf 327: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
328: // and can consider that as an indication that this is IIS way to report errors
329:
1.228 paf 330: if(original
1.230 paf 331: && isdigit((unsigned char)original[0])
332: && isdigit((unsigned char)original[1])
333: && isdigit((unsigned char)original[2])
1.227 paf 334: && original[3]==';')
335: {
336: size_t original_len=strlen(original);
337: char* reconstructed=new(PointerFreeGC) char[original_len
338: +12/*IIS-STATUS=&*/
339: +14/*IIS-DOCUMENT=&*/
340: +1];
341: char* cur=reconstructed;
342: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
343: memcpy(cur, original, 3); cur+=3;
344: *cur++='&';
345:
1.228 paf 346: const char* qmark_at=strchr(original, '?');
1.227 paf 347: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
348: {
349: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
350: memcpy(cur, original+4, value_len); cur+=value_len;
351: }
352:
353: if(qmark_at) {
354: *cur++='&';
355: strcpy(cur, qmark_at+1/*skip ? itself*/);
356: } else
357: *cur=0;
358:
359: return reconstructed;
360: }
361:
362: return original;
363: }
364: #endif
365:
1.256 misha 366:
367: class RequestController {
368: public:
369: RequestController(Request* r){
370: ::request=r;
371: }
372: ~RequestController(){
373: ::request=0;
374: }
375: };
376:
377:
1.40 paf 378: /**
1.122 parser 379: main workhorse
1.19 paf 380:
1.122 parser 381: @todo
1.40 paf 382: IIS: remove trailing default-document[index.html] from $request.uri.
383: to do that we need to consult metabase,
384: wich is tested but seems slow.
385: */
1.218 paf 386: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 387: const char* request_method, bool header_only)
388: {
1.122 parser 389: // init socks
1.225 paf 390: pa_socks_init();
1.231 paf 391:
1.122 parser 392: // init global variables
1.218 paf 393: pa_globals_init();
1.122 parser 394:
1.186 paf 395: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 396: SAPI::die("Parser/%s"
397: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
398: " with entry/exit tracing"
399: #endif
400: , PARSER_VERSION);
1.122 parser 401:
402: // Request info
1.218 paf 403: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 404: char document_root_buf[MAX_STRING];
1.122 parser 405: if(cgi) {
1.218 paf 406: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 407: request_info.document_root=env_document_root;
1.218 paf 408: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 409: // IIS
1.166 paf 410: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
411: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
412: request_info.document_root=document_root_buf;
1.122 parser 413: } else
1.243 misha 414: throw Exception(PARSER_RUNTIME,
1.165 paf 415: 0,
416: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 417: } else {
1.166 paf 418: full_file_spec("", document_root_buf, sizeof(document_root_buf));
419: request_info.document_root=document_root_buf;
1.122 parser 420: }
421: request_info.path_translated=filespec_to_process;
422: request_info.method=request_method ? request_method : "GET";
1.227 paf 423: const char* query_string=
424: #ifdef WIN32
425: maybe_reconstruct_IIS_status_in_qs
426: #endif
427: (getenv("QUERY_STRING"));
1.122 parser 428: request_info.query_string=query_string;
429: if(cgi) {
1.214 paf 430: // few absolute obligatory
1.218 paf 431: const char* path_info=getenv("PATH_INFO");
1.214 paf 432: if(!path_info)
433: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 434: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 435: if(!script_name)
436: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
437:
1.218 paf 438: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 439: if(env_request_uri)
1.122 parser 440: request_info.uri=env_request_uri;
1.214 paf 441: else
1.122 parser 442: if(query_string) {
1.218 paf 443: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 444: strlen(path_info)+1/*'?'*/+
1.218 paf 445: strlen(query_string)+1/*0*/];
1.122 parser 446: strcpy(reconstructed_uri, path_info);
447: strcat(reconstructed_uri, "?");
448: strcat(reconstructed_uri, query_string);
449: request_info.uri=reconstructed_uri;
450: } else
451: request_info.uri=path_info;
1.214 paf 452:
453: if(env_request_uri) { // apache & others stuck to standards
454: /*
455: http://parser3/env.html?123 =OK
456: $request:uri=/env.html?123
457: REQUEST_URI='/env.html?123'
458: SCRIPT_NAME='/cgi-bin/parser3'
459: PATH_INFO='/env.html'
460:
461: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
462: $request:uri=/cgi-bin/parser3/env.html?123
463: REQUEST_URI='/cgi-bin/parser3/env.html?123'
464: SCRIPT_NAME='/cgi-bin/parser3'
465: PATH_INFO='/env.html'
466: */
467: size_t script_name_len=strlen(script_name);
468: size_t uri_len=strlen(env_request_uri);
469: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
470: script_name_len != uri_len) // under IIS they are the same
471: SAPI::die("CGI: illegal call (1)");
472: } else { // seen on IIS5
473: /*
474: http://nestle/env.html?123 =OK
475: $request:uri=/env.html?123
476: REQUEST_URI=''
477: SCRIPT_NAME='/env.html'
478: PATH_INFO='/env.html'
479:
480: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
481: $request:uri=/env.html
482: REQUEST_URI=''
483: SCRIPT_NAME='/cgi-bin/parser3.exe'
484: PATH_INFO='/env.html'
485: */
486: if(strcmp(script_name, path_info)!=0)
487: SAPI::die("CGI: illegal call (2)");
488: }
1.122 parser 489: } else
1.177 paf 490: request_info.uri="";
1.122 parser 491:
1.218 paf 492: request_info.content_type=getenv("CONTENT_TYPE");
493: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 494: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 495: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 496: request_info.mail_received=mail_received;
497:
1.245 misha 498: request_info.argv=argv_all;
499: request_info.args_skip=args_skip;
500:
1.218 paf 501: // get request_info ptr for signal handlers
502: ::request_info=&request_info;
503: if(execution_canceled)
504: SAPI::die("Execution canceled");
1.198 paf 505:
1.233 paf 506: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
507: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
508: request_info.method,
509: request_info.uri,
510: request_info.query_string,
511: request_info.document_root,
512: request_info.path_translated,
513: request_info.cookie,
514: request_info.content_length);
515: #endif
516:
1.122 parser 517: // prepare to process request
1.221 paf 518: Request request(SAPI_info, request_info,
1.259 moko 519: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.201 paf 520:
1.256 misha 521: {
522: // get ::request ptr for signal handlers
523: RequestController rc(&request);
1.201 paf 524:
1.256 misha 525: char config_filespec_buf[MAX_STRING];
526: if(!config_filespec_cstr) {
527: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
528: if(!config_by_env)
529: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
530: if(config_by_env)
531: config_filespec_cstr=config_by_env;
532: else {
533: // beside by binary
534: char beside_binary_path[MAX_STRING];
535: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
536: if(!(
537: rsplit(beside_binary_path, '/') ||
538: rsplit(beside_binary_path, '\\'))) { // strip filename
539: // no path, just filename
540: // @todo full path, not ./!
541: beside_binary_path[0]='.'; beside_binary_path[1]=0;
542: }
543: snprintf(config_filespec_buf, MAX_STRING,
544: "%s/%s",
545: beside_binary_path, AUTO_FILE_NAME);
546: config_filespec_cstr=config_filespec_buf;
547: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 548: }
549: }
1.256 misha 550:
551: // process the request
552: request.core(
553: config_filespec_cstr, fail_on_config_read_problem,
554: header_only);
555:
556: // ::request cleared in RequestController desctructor to prevent signal handlers from accessing invalid memory
1.122 parser 557: }
1.231 paf 558:
1.225 paf 559: // finalize global variables
560: pa_globals_done();
561:
1.122 parser 562: //
1.225 paf 563: pa_socks_done();
1.218 paf 564: }
565:
1.231 paf 566: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
567: static const Exception
568: call_real_parser_handler__do_PEH_return_it(
569: const char* filespec_to_process,
570: const char* request_method, bool header_only)
571: {
572: try {
1.122 parser 573: real_parser_handler(
574: filespec_to_process,
575: request_method, header_only);
1.231 paf 576: } catch(const Exception& e) {
577: return e;
1.122 parser 578: }
1.231 paf 579:
580: return Exception();
1.122 parser 581: }
1.231 paf 582: static void call_real_parser_handler__supress_system_exception(
583: const char* filespec_to_process,
584: const char* request_method, bool header_only)
585: {
586: Exception parser_exception;
587: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 588:
1.231 paf 589: __try {
590: parser_exception=call_real_parser_handler__do_PEH_return_it(
591: filespec_to_process,
1.232 paf 592: request_method, header_only);
1.231 paf 593: } __except (
594: (system_exception=GetExceptionInformation()),
595: EXCEPTION_EXECUTE_HANDLER)
596: {
1.131 paf 597:
1.231 paf 598: if(system_exception)
599: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
600: throw Exception("system",
1.218 paf 601: 0,
1.231 paf 602: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 603: else
1.231 paf 604: throw Exception("system",
1.218 paf 605: 0,
1.231 paf 606: "<no exception record>");
1.218 paf 607: else
1.231 paf 608: throw Exception("system",
1.218 paf 609: 0,
1.231 paf 610: "<no exception information>");
611: }
612:
613: if(parser_exception)
614: throw Exception(parser_exception);
615: }
1.218 paf 616: #endif
1.131 paf 617:
1.218 paf 618: static void usage(const char* program) {
1.188 paf 619: printf(
1.235 paf 620: "Parser/%s\n"
1.262 moko 621: "Copyright (c) 2001-2013 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 622: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
623: "\n"
624: "Usage: %s [options] file\n"
625: "Options are:\n"
1.185 paf 626: #ifdef WITH_MAILRECEIVE
1.193 paf 627: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 628: #endif
1.193 paf 629: " -f config_file Use this config file (/path/to/auto.p)\n"
630: " -h Display usage information (this message)\n"
1.184 paf 631: , PARSER_VERSION,
632: program);
633: exit(EINVAL);
634: }
635:
1.249 misha 636: int main(int argc, char *argv[]) {
1.233 paf 637: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
638: log("main: entry");
639: #endif
1.224 paf 640: //_asm int 3;
1.218 paf 641: GC_java_finalization=0;
1.217 paf 642:
1.218 paf 643: #ifndef PA_DEBUG_DISABLE_GC
644: // Dont collect unless explicitly requested
645: // this is quicker (~30% ), but less memory-efficient(~8%)
646: // so deciding for speed
647: GC_dont_gc=1;
648: #endif
649: /*
650:
651: Array<int> test;
652: test+=3;
653: test+=4;
654: // int a=test.count();
655: int i=0;
656: scanf("%d", &i);
657: int b=test.get(i);
658: // int b=test.get(10);
659: printf("%d", b);//test.count());*/
1.217 paf 660:
1.203 paf 661: #ifdef SIGUSR1
1.205 paf 662: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 663: SAPI::die("Can not set handler for SIGUSR1");
664: #endif
665: #ifdef SIGPIPE
1.205 paf 666: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 667: SAPI::die("Can not set handler for SIGPIPE");
668: #endif
669:
670:
1.185 paf 671: #ifdef DEBUG_MAILRECEIVE
672: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 673: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
674: }
675: #endif
676:
1.178 paf 677: #ifdef _DEBUG
1.220 paf 678: //_crtBreakAlloc=46;
1.178 paf 679: #endif
1.245 misha 680: argv_all=argv;
1.193 paf 681: argv0=argv[0];
1.45 paf 682:
1.32 paf 683: umask(2);
684:
1.3 paf 685: // were we started as CGI?
1.146 paf 686: cgi=
1.257 misha 687: (
688: getenv("SERVER_SOFTWARE") ||
689: getenv("SERVER_NAME") ||
690: getenv("GATEWAY_INTERFACE") ||
691: getenv("REQUEST_METHOD")
692: )
693: && !getenv("PARSER_VERSION");
1.5 paf 694:
1.184 paf 695: char *raw_filespec_to_process;
1.210 paf 696: if(cgi) {
1.184 paf 697: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 698: if(raw_filespec_to_process && !*raw_filespec_to_process)
699: raw_filespec_to_process=0;
700: } else {
1.250 misha 701: int optind=1;
1.245 misha 702: while(optind < argc){
703: char *carg = argv[optind];
704: if(carg[0] != '-')
1.184 paf 705: break;
1.245 misha 706:
707: for(size_t k = 1; k < strlen(carg); k++){
708: char c = carg[k];
709: switch (c) {
710: case 'h':
711: usage(argv[0]);
712: break;
713: case 'f':
714: if(optind < argc - 1){
715: optind++;
716: config_filespec_cstr=argv[optind];
717: }
718: break;
1.185 paf 719: #ifdef WITH_MAILRECEIVE
1.245 misha 720: case 'm':
721: mail_received=true;
722: break;
723: #endif
724: default:
725: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
726: usage(argv[0]);
727: break;
728: }
1.184 paf 729: }
1.245 misha 730: optind++;
1.184 paf 731: }
1.245 misha 732:
733: if (optind > argc - 1) {
1.184 paf 734: fprintf(stderr, "%s: file not specified\n", argv[0]);
735: usage(argv[0]);
1.10 paf 736: }
1.245 misha 737: raw_filespec_to_process=argv[optind];
738: args_skip=optind;
1.10 paf 739: }
740:
1.100 parser 741: #ifdef WIN32
742: setmode(fileno(stdin), _O_BINARY);
743: setmode(fileno(stdout), _O_BINARY);
744: setmode(fileno(stderr), _O_BINARY);
745: #endif
746:
1.218 paf 747: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 748: // Get current flag
749: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
750:
751: // Turn on leak-checking bit
752: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
753:
754: // Set flag to the new value
755: _CrtSetDbgFlag( tmpFlag );
1.218 paf 756: // _CrtSetBreakAlloc(61);
1.138 paf 757:
1.218 paf 758: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
759: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 760: #endif
761:
1.166 paf 762: char filespec_to_process[MAX_STRING];
763: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 764:
1.218 paf 765: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 766: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 767:
1.122 parser 768: try { // global try
1.231 paf 769: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
770: call_real_parser_handler__supress_system_exception(
771: #else
772: real_parser_handler(
773: #endif
1.122 parser 774: filespec_to_process,
775: request_method, header_only);
776: } catch(const Exception& e) { // global problem
1.44 paf 777: // don't allocate anything on pool here:
778: // possible pool' exception not catch-ed now
779: // and there could be out-of-memory exception
1.218 paf 780: char buf[MAX_STRING];
1.232 paf 781: snprintf(buf, MAX_STRING, "Unhandled exception %s",
782: e.comment());
1.218 paf 783: // log it
784: SAPI::log(SAPI_info, "%s", buf);
785:
786: //
787: int content_length=strlen(buf);
788:
789: // prepare header
1.255 misha 790: // capitalized headers are used for preventing malloc during capitalization
791: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain");
792: // don't use 'format' function because it calls malloc
793: char content_length_cstr[MAX_NUMBER];
794: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
795: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr);
1.218 paf 796:
797: // send header
798: SAPI::send_header(SAPI_info);
799:
800: // send body
801: if(!header_only)
802: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 803:
1.218 paf 804: // unsuccessful finish
1.16 paf 805: }
1.109 parser 806:
1.233 paf 807: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
808: log("main: successful return");
809: #endif
1.134 paf 810: return 0;
1.1 paf 811: }
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