Annotation of parser3/src/targets/cgi/parser3.C, revision 1.258
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.250 misha 4: Copyright(c) 2001-2009 ArtLebedev Group (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:
1.258 ! moko 8: static const char * const IDENT_PARSER3_C="$Date: 2010-07-21 22:23:33 $";
1.1 paf 9:
1.40 paf 10: #include "pa_config_includes.h"
1.3 paf 11:
1.139 paf 12: #if _MSC_VER
1.148 paf 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:
1.149 paf 23: #ifdef WIN32
24: # include <windows.h>
1.120 parser 25: #endif
26:
1.232 paf 27: // defines
1.231 paf 28:
1.233 paf 29: // comment remove me after debugging
1.234 paf 30: //#define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser\\debug-parser3.log"
1.233 paf 31:
1.231 paf 32: #if _MSC_VER && !defined(_DEBUG)
33: # define PA_SUPPRESS_SYSTEM_EXCEPTION
34: #endif
35:
1.196 paf 36: //#define DEBUG_MAILRECEIVE "mailreceive.eml"
1.160 paf 37:
1.109 parser 38: // consts
1.84 parser 39:
1.175 paf 40: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 41: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 42: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 43:
1.42 paf 44: /// IIS refuses to read bigger chunks
45: const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M
46:
1.218 paf 47: static const char* argv0;
48: static const char* config_filespec_cstr=0;
1.193 paf 49: static bool fail_on_config_read_problem=true;
1.192 paf 50:
1.245 misha 51: static int args_skip=1;
52: static char** argv_all = NULL;
53:
1.184 paf 54: static bool cgi; ///< we were started as CGI?
55: static bool mail_received=false; ///< we were started with -m option? [asked to parse incoming message to $mail:received]
1.5 paf 56:
1.201 paf 57: // for signal handlers
58: Request *request=0;
1.218 paf 59: Request_info *request_info=0;
60: bool execution_canceled=false;
1.201 paf 61:
1.46 paf 62: // SAPI
1.86 parser 63:
1.218 paf 64: class SAPI_Info{} SAPI_info;
65:
66: static void log(const char* fmt, va_list args) {
1.193 paf 67: bool opened=false;
1.61 paf 68: FILE *f=0;
69:
1.226 paf 70: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
71: if(!log_by_env)
72: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
73: if(log_by_env) {
74: f=fopen(log_by_env, "at");
75: opened=f!=0;
76: }
1.233 paf 77: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
78: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
79: opened=f!=0;
80: #endif
1.226 paf 81:
82: if(!opened && config_filespec_cstr) {
1.193 paf 83: char beside_config_path[MAX_STRING];
84: strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
85: if(!(
86: rsplit(beside_config_path, '/') ||
87: rsplit(beside_config_path, '\\'))) { // strip filename
88: // no path, just filename
89: beside_config_path[0]='.'; beside_config_path[1]=0;
90: }
91:
92: char file_spec[MAX_STRING];
93: snprintf(file_spec, MAX_STRING,
94: "%s/parser3.log", beside_config_path);
95: f=fopen(file_spec, "at");
96: opened=f!=0;
97: }
1.192 paf 98: // fallback to stderr
1.61 paf 99: if(!opened)
100: f=stderr;
1.208 paf 101:
102: // use no memory [so that we could log out-of-memory error]
103: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 104:
105: // prefix
106: time_t t=time(0);
1.218 paf 107: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 108: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.233 paf 109: fprintf(f, "[%.*s] [%u] ", len-1, stamp,
1.236 paf 110: (unsigned int)getpid()
1.233 paf 111: );
1.171 paf 112: }
1.61 paf 113: // message
1.117 parser 114:
1.246 misha 115: char buf[MAX_LOG_STRING];
116: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
117: size=remove_crlf(buf, buf+size);
1.239 paf 118: fwrite(buf, size, 1, f);
119:
120: if(request_info)
121: fprintf(f, " [uri=%s, method=%s, cl=%u]",
122: request_info->uri? request_info->uri: "<unknown>",
123: request_info->method? request_info->method: "<unknown>",
124: request_info->content_length);
125: else
126: fputs(" [no request info]", f);
1.117 parser 127:
1.61 paf 128: // newline
1.239 paf 129: fputs("\n", f);
1.61 paf 130:
131: if(opened)
132: fclose(f);
1.85 parser 133: else
134: fflush(f);
1.124 parser 135: }
1.236 paf 136: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 137: static void log(const char* fmt, ...) {
138: va_list args;
139: va_start(args,fmt);
140: log(fmt, args);
141: va_end(args);
142: }
1.236 paf 143: #endif
1.124 parser 144:
145: // appends to parser3.log located beside my binary if openable, to stderr otherwize
1.218 paf 146: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.124 parser 147: va_list args;
148: va_start(args,fmt);
149: ::log(fmt, args);
150: va_end(args);
151: }
152:
1.218 paf 153: static void die_or_abort(const char* fmt, va_list args, bool write_core) {
1.138 paf 154: // inform user
155:
1.134 paf 156: char body[MAX_STRING];
1.138 paf 157: int content_length=vsnprintf(body, MAX_STRING, fmt, args);
1.134 paf 158:
159: // prepare header
160: // let's be honest, that's bad we couldn't produce valid output
1.255 misha 161: // capitalized headers passed for preventing malloc during capitalization
162: SAPI::add_header_attribute(SAPI_info, HTTP_STATUS_CAPITALIZED, "500");
163: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain");
164: // don't use 'format' function because it calls malloc
165: char content_length_cstr[MAX_NUMBER];
166: snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length);
167: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr);
1.134 paf 168:
169: // send header
1.218 paf 170: SAPI::send_header(SAPI_info);
1.134 paf 171:
172: // body
1.218 paf 173: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 174:
1.218 paf 175: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
176: if(write_core) {
177: #if defined(WIN32) && !defined(_DEBUG)
178: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
179: exit(1);
1.214 paf 180: #else
1.218 paf 181: #if _MSC_VER
182: _asm int 3;
183: #endif
184: abort();
1.214 paf 185: #endif
1.218 paf 186: }
187: else
188: exit(1);
189: }
190:
191: void SAPI::die(const char* fmt, ...) {
1.258 ! moko 192: va_list args;
! 193:
! 194: // logging first, can't log inside die_or_abort due to vsnprintf (bug #106)
! 195: va_start(args,fmt);
! 196: ::log(fmt, args);
! 197: va_end(args);
! 198:
1.218 paf 199: va_start(args, fmt);
1.258 ! moko 200: die_or_abort(fmt, args, false /*write core?*/);
! 201: // va_end(args);
1.61 paf 202: }
203:
1.218 paf 204: void SAPI::abort(const char* fmt, ...) {
1.258 ! moko 205: va_list args;
! 206:
! 207: // logging first, can't log inside die_or_abort due to vsnprintf (bug #106)
! 208: va_start(args,fmt);
! 209: ::log(fmt, args);
! 210: va_end(args);
! 211:
1.218 paf 212: va_start(args, fmt);
1.258 ! moko 213: die_or_abort(fmt, args, true /*write core?*/);
! 214: // va_end(args);
1.28 paf 215: }
216:
1.218 paf 217: char* SAPI::get_env(SAPI_Info& , const char* name) {
218: if(char *local=getenv(name))
219: return pa_strdup(local);
220: else
221: return 0;
222: }
223:
224: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 225: #ifdef _MSC_VER
226: extern char **_environ;
227: return _environ;
228: #else
229: extern char **environ;
230: return environ;
231: #endif
232: }
233:
1.218 paf 234: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 235: size_t read_size=0;
1.12 paf 236: do {
1.200 paf 237: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 238: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 239: if(chunk_size<=0)
1.12 paf 240: break;
241: read_size+=chunk_size;
242: } while(read_size<max_bytes);
243:
244: return read_size;
1.10 paf 245: }
246:
1.218 paf 247: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.242 misha 248: if( cgi && (!request || !request->console.was_used()) )
1.254 misha 249: printf("%s: %s\n", capitalize(dont_store_key), dont_store_value);
1.19 paf 250: }
251:
1.56 paf 252: /// @todo intelligent cache-control
1.218 paf 253: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 254: if(cgi) {
1.147 paf 255: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 256:
257: // header | body delimiter
1.20 paf 258: puts("");
1.33 paf 259: }
1.30 paf 260: }
1.20 paf 261:
1.229 paf 262: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
263: return stdout_write(buf, size);
1.58 paf 264: }
265:
1.97 parser 266: //
267:
1.218 paf 268: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 269: if(file_name)
1.167 paf 270: if(file_name[0]=='/'
271: #ifdef WIN32
1.210 paf 272: || file_name[0] && file_name[1]==':'
1.167 paf 273: #endif
1.210 paf 274: )
1.218 paf 275: strncpy(buf, file_name, buf_size);
1.167 paf 276: else {
277: char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING);
278: snprintf(buf, buf_size, "%s/%s", cwd, file_name);
279: }
280: else
281: buf[0]=0;
1.166 paf 282: #ifdef WIN32
283: back_slashes_to_slashes(buf);
284: #endif
1.97 parser 285: }
286:
1.218 paf 287: static void log_signal(const char* signal_name) {
288: if(request_info)
1.219 paf 289: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 290: signal_name,
291: request?"executing code":"reading data",
292: request_info->uri,
293: request_info->method,
294: request_info->content_length);
295: else
296: SAPI::log(SAPI_info, "%s received before or after processing request",
297: signal_name);
1.205 paf 298: }
299:
1.201 paf 300: #ifdef SIGUSR1
1.205 paf 301: static void SIGUSR1_handler(int /*sig*/){
302: log_signal("SIGUSR1");
1.201 paf 303: }
304: #endif
305:
306: #ifdef SIGPIPE
1.243 misha 307: #define SIGPIPE_NAME "SIGPIPE"
308: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 309: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 310: Value* sigpipe=0;
311: if(request)
1.251 misha 312: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 313: if(sigpipe && sigpipe->as_bool())
1.244 misha 314: log_signal(SIGPIPE_NAME);
1.243 misha 315:
1.218 paf 316: execution_canceled=true;
1.201 paf 317: if(request)
1.218 paf 318: request->set_interrupted(true);
1.201 paf 319: }
320: #endif
321:
1.227 paf 322: #ifdef WIN32
323: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
324: {
1.228 paf 325: // 404;http://servername/page[?param=value...]
1.227 paf 326: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
327: // and can consider that as an indication that this is IIS way to report errors
328:
1.228 paf 329: if(original
1.230 paf 330: && isdigit((unsigned char)original[0])
331: && isdigit((unsigned char)original[1])
332: && isdigit((unsigned char)original[2])
1.227 paf 333: && original[3]==';')
334: {
335: size_t original_len=strlen(original);
336: char* reconstructed=new(PointerFreeGC) char[original_len
337: +12/*IIS-STATUS=&*/
338: +14/*IIS-DOCUMENT=&*/
339: +1];
340: char* cur=reconstructed;
341: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
342: memcpy(cur, original, 3); cur+=3;
343: *cur++='&';
344:
1.228 paf 345: const char* qmark_at=strchr(original, '?');
1.227 paf 346: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
347: {
348: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
349: memcpy(cur, original+4, value_len); cur+=value_len;
350: }
351:
352: if(qmark_at) {
353: *cur++='&';
354: strcpy(cur, qmark_at+1/*skip ? itself*/);
355: } else
356: *cur=0;
357:
358: return reconstructed;
359: }
360:
361: return original;
362: }
363: #endif
364:
1.256 misha 365:
366: class RequestController {
367: public:
368: RequestController(Request* r){
369: ::request=r;
370: }
371: ~RequestController(){
372: ::request=0;
373: }
374: };
375:
376:
1.40 paf 377: /**
1.122 parser 378: main workhorse
1.19 paf 379:
1.122 parser 380: @todo
1.40 paf 381: IIS: remove trailing default-document[index.html] from $request.uri.
382: to do that we need to consult metabase,
383: wich is tested but seems slow.
384: */
1.218 paf 385: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 386: const char* request_method, bool header_only)
387: {
1.122 parser 388: // init socks
1.225 paf 389: pa_socks_init();
1.231 paf 390:
1.122 parser 391: // init global variables
1.218 paf 392: pa_globals_init();
1.122 parser 393:
1.186 paf 394: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 395: SAPI::die("Parser/%s"
396: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
397: " with entry/exit tracing"
398: #endif
399: , PARSER_VERSION);
1.122 parser 400:
401: // Request info
1.218 paf 402: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 403: char document_root_buf[MAX_STRING];
1.122 parser 404: if(cgi) {
1.218 paf 405: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 406: request_info.document_root=env_document_root;
1.218 paf 407: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 408: // IIS
1.166 paf 409: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
410: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
411: request_info.document_root=document_root_buf;
1.122 parser 412: } else
1.243 misha 413: throw Exception(PARSER_RUNTIME,
1.165 paf 414: 0,
415: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 416: } else {
1.166 paf 417: full_file_spec("", document_root_buf, sizeof(document_root_buf));
418: request_info.document_root=document_root_buf;
1.122 parser 419: }
420: request_info.path_translated=filespec_to_process;
421: request_info.method=request_method ? request_method : "GET";
1.227 paf 422: const char* query_string=
423: #ifdef WIN32
424: maybe_reconstruct_IIS_status_in_qs
425: #endif
426: (getenv("QUERY_STRING"));
1.122 parser 427: request_info.query_string=query_string;
428: if(cgi) {
1.214 paf 429: // few absolute obligatory
1.218 paf 430: const char* path_info=getenv("PATH_INFO");
1.214 paf 431: if(!path_info)
432: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 433: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 434: if(!script_name)
435: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
436:
1.218 paf 437: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 438: if(env_request_uri)
1.122 parser 439: request_info.uri=env_request_uri;
1.214 paf 440: else
1.122 parser 441: if(query_string) {
1.218 paf 442: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 443: strlen(path_info)+1/*'?'*/+
1.218 paf 444: strlen(query_string)+1/*0*/];
1.122 parser 445: strcpy(reconstructed_uri, path_info);
446: strcat(reconstructed_uri, "?");
447: strcat(reconstructed_uri, query_string);
448: request_info.uri=reconstructed_uri;
449: } else
450: request_info.uri=path_info;
1.214 paf 451:
452: if(env_request_uri) { // apache & others stuck to standards
453: /*
454: http://parser3/env.html?123 =OK
455: $request:uri=/env.html?123
456: REQUEST_URI='/env.html?123'
457: SCRIPT_NAME='/cgi-bin/parser3'
458: PATH_INFO='/env.html'
459:
460: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
461: $request:uri=/cgi-bin/parser3/env.html?123
462: REQUEST_URI='/cgi-bin/parser3/env.html?123'
463: SCRIPT_NAME='/cgi-bin/parser3'
464: PATH_INFO='/env.html'
465: */
466: size_t script_name_len=strlen(script_name);
467: size_t uri_len=strlen(env_request_uri);
468: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
469: script_name_len != uri_len) // under IIS they are the same
470: SAPI::die("CGI: illegal call (1)");
471: } else { // seen on IIS5
472: /*
473: http://nestle/env.html?123 =OK
474: $request:uri=/env.html?123
475: REQUEST_URI=''
476: SCRIPT_NAME='/env.html'
477: PATH_INFO='/env.html'
478:
479: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
480: $request:uri=/env.html
481: REQUEST_URI=''
482: SCRIPT_NAME='/cgi-bin/parser3.exe'
483: PATH_INFO='/env.html'
484: */
485: if(strcmp(script_name, path_info)!=0)
486: SAPI::die("CGI: illegal call (2)");
487: }
1.122 parser 488: } else
1.177 paf 489: request_info.uri="";
1.122 parser 490:
1.218 paf 491: request_info.content_type=getenv("CONTENT_TYPE");
492: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 493: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 494: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 495: request_info.mail_received=mail_received;
496:
1.245 misha 497: request_info.argv=argv_all;
498: request_info.args_skip=args_skip;
499:
1.218 paf 500: // get request_info ptr for signal handlers
501: ::request_info=&request_info;
502: if(execution_canceled)
503: SAPI::die("Execution canceled");
1.198 paf 504:
1.233 paf 505: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
506: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
507: request_info.method,
508: request_info.uri,
509: request_info.query_string,
510: request_info.document_root,
511: request_info.path_translated,
512: request_info.cookie,
513: request_info.content_length);
514: #endif
515:
1.122 parser 516: // prepare to process request
1.221 paf 517: Request request(SAPI_info, request_info,
1.218 paf 518: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 519: true /* status_allowed */);
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"
1.252 misha 621: "Copyright(c) 2001-2009 ArtLebedev Group (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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