Annotation of parser3/src/targets/cgi/parser3.C, revision 1.251
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:
1.251 ! misha 8: static const char * const IDENT_PARSER3_C="$Date: 2009-04-10 11:35:01 $";
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: // log
155:
156: // logging is more important than user
1.204 paf 157: // she can cancel download, we'd get SIGPIPE,
1.138 paf 158: // nothing would be logged then
1.124 parser 159: ::log(fmt, args);
160:
1.138 paf 161: // inform user
162:
1.134 paf 163: char body[MAX_STRING];
1.138 paf 164: int content_length=vsnprintf(body, MAX_STRING, fmt, args);
1.134 paf 165:
166: // prepare header
167: // let's be honest, that's bad we couldn't produce valid output
1.218 paf 168: SAPI::add_header_attribute(SAPI_info, "status", "500");
1.248 misha 169: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE, "text/plain");
1.134 paf 170: char content_length_cstr[MAX_NUMBER];
1.168 paf 171: snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length);
1.218 paf 172: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
1.134 paf 173:
174: // send header
1.218 paf 175: SAPI::send_header(SAPI_info);
1.134 paf 176:
177: // body
1.218 paf 178: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 179:
1.218 paf 180: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
181: if(write_core) {
182: #if defined(WIN32) && !defined(_DEBUG)
183: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
184: exit(1);
1.214 paf 185: #else
1.218 paf 186: #if _MSC_VER
187: _asm int 3;
188: #endif
189: abort();
1.214 paf 190: #endif
1.218 paf 191: }
192: else
193: exit(1);
194: }
195:
196: void SAPI::die(const char* fmt, ...) {
197: va_list args;
198: va_start(args, fmt);
199: die_or_abort(fmt, args, false/*write core?*/);
1.238 paf 200: //unreachable anyway va_end(args);
1.61 paf 201: }
202:
1.218 paf 203: void SAPI::abort(const char* fmt, ...) {
204: va_list args;
205: va_start(args, fmt);
206: die_or_abort(fmt, args, true/*write core?*/);
1.238 paf 207: //unreachable anyway va_end(args);
1.28 paf 208: }
209:
1.218 paf 210: char* SAPI::get_env(SAPI_Info& , const char* name) {
211: if(char *local=getenv(name))
212: return pa_strdup(local);
213: else
214: return 0;
215: }
216:
217: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 218: #ifdef _MSC_VER
219: extern char **_environ;
220: return _environ;
221: #else
222: extern char **environ;
223: return environ;
224: #endif
225: }
226:
1.218 paf 227: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 228: size_t read_size=0;
1.12 paf 229: do {
1.200 paf 230: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 231: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 232: if(chunk_size<=0)
1.12 paf 233: break;
234: read_size+=chunk_size;
235: } while(read_size<max_bytes);
236:
237: return read_size;
1.10 paf 238: }
239:
1.218 paf 240: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.242 misha 241: if( cgi && (!request || !request->console.was_used()) )
1.218 paf 242: printf("%s: %s\n", dont_store_key, dont_store_value);
1.19 paf 243: }
244:
1.56 paf 245: /// @todo intelligent cache-control
1.218 paf 246: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 247: if(cgi) {
1.147 paf 248: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 249:
250: // header | body delimiter
1.20 paf 251: puts("");
1.33 paf 252: }
1.30 paf 253: }
1.20 paf 254:
1.229 paf 255: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
256: return stdout_write(buf, size);
1.58 paf 257: }
258:
1.97 parser 259: //
260:
1.218 paf 261: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 262: if(file_name)
1.167 paf 263: if(file_name[0]=='/'
264: #ifdef WIN32
1.210 paf 265: || file_name[0] && file_name[1]==':'
1.167 paf 266: #endif
1.210 paf 267: )
1.218 paf 268: strncpy(buf, file_name, buf_size);
1.167 paf 269: else {
270: char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING);
271: snprintf(buf, buf_size, "%s/%s", cwd, file_name);
272: }
273: else
274: buf[0]=0;
1.166 paf 275: #ifdef WIN32
276: back_slashes_to_slashes(buf);
277: #endif
1.97 parser 278: }
279:
1.218 paf 280: static void log_signal(const char* signal_name) {
281: if(request_info)
1.219 paf 282: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 283: signal_name,
284: request?"executing code":"reading data",
285: request_info->uri,
286: request_info->method,
287: request_info->content_length);
288: else
289: SAPI::log(SAPI_info, "%s received before or after processing request",
290: signal_name);
1.205 paf 291: }
292:
1.201 paf 293: #ifdef SIGUSR1
1.205 paf 294: static void SIGUSR1_handler(int /*sig*/){
295: log_signal("SIGUSR1");
1.201 paf 296: }
297: #endif
298:
299: #ifdef SIGPIPE
1.243 misha 300: #define SIGPIPE_NAME "SIGPIPE"
301: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 302: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 303: Value* sigpipe=0;
304: if(request)
1.251 ! misha 305: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 306: if(sigpipe && sigpipe->as_bool())
1.244 misha 307: log_signal(SIGPIPE_NAME);
1.243 misha 308:
1.218 paf 309: execution_canceled=true;
1.201 paf 310: if(request)
1.218 paf 311: request->set_interrupted(true);
1.201 paf 312: }
313: #endif
314:
1.227 paf 315: #ifdef WIN32
316: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
317: {
1.228 paf 318: // 404;http://servername/page[?param=value...]
1.227 paf 319: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
320: // and can consider that as an indication that this is IIS way to report errors
321:
1.228 paf 322: if(original
1.230 paf 323: && isdigit((unsigned char)original[0])
324: && isdigit((unsigned char)original[1])
325: && isdigit((unsigned char)original[2])
1.227 paf 326: && original[3]==';')
327: {
328: size_t original_len=strlen(original);
329: char* reconstructed=new(PointerFreeGC) char[original_len
330: +12/*IIS-STATUS=&*/
331: +14/*IIS-DOCUMENT=&*/
332: +1];
333: char* cur=reconstructed;
334: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
335: memcpy(cur, original, 3); cur+=3;
336: *cur++='&';
337:
1.228 paf 338: const char* qmark_at=strchr(original, '?');
1.227 paf 339: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
340: {
341: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
342: memcpy(cur, original+4, value_len); cur+=value_len;
343: }
344:
345: if(qmark_at) {
346: *cur++='&';
347: strcpy(cur, qmark_at+1/*skip ? itself*/);
348: } else
349: *cur=0;
350:
351: return reconstructed;
352: }
353:
354: return original;
355: }
356: #endif
357:
1.40 paf 358: /**
1.122 parser 359: main workhorse
1.19 paf 360:
1.122 parser 361: @todo
1.40 paf 362: IIS: remove trailing default-document[index.html] from $request.uri.
363: to do that we need to consult metabase,
364: wich is tested but seems slow.
365: */
1.218 paf 366: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 367: const char* request_method, bool header_only)
368: {
1.122 parser 369: // init socks
1.225 paf 370: pa_socks_init();
1.231 paf 371:
1.122 parser 372: // init global variables
1.218 paf 373: pa_globals_init();
1.122 parser 374:
1.186 paf 375: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 376: SAPI::die("Parser/%s"
377: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
378: " with entry/exit tracing"
379: #endif
380: , PARSER_VERSION);
1.122 parser 381:
382: // Request info
1.218 paf 383: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 384: char document_root_buf[MAX_STRING];
1.122 parser 385: if(cgi) {
1.218 paf 386: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 387: request_info.document_root=env_document_root;
1.218 paf 388: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 389: // IIS
1.166 paf 390: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
391: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
392: request_info.document_root=document_root_buf;
1.122 parser 393: } else
1.243 misha 394: throw Exception(PARSER_RUNTIME,
1.165 paf 395: 0,
396: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 397: } else {
1.166 paf 398: full_file_spec("", document_root_buf, sizeof(document_root_buf));
399: request_info.document_root=document_root_buf;
1.122 parser 400: }
401: request_info.path_translated=filespec_to_process;
402: request_info.method=request_method ? request_method : "GET";
1.227 paf 403: const char* query_string=
404: #ifdef WIN32
405: maybe_reconstruct_IIS_status_in_qs
406: #endif
407: (getenv("QUERY_STRING"));
1.122 parser 408: request_info.query_string=query_string;
409: if(cgi) {
1.214 paf 410: // few absolute obligatory
1.218 paf 411: const char* path_info=getenv("PATH_INFO");
1.214 paf 412: if(!path_info)
413: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 414: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 415: if(!script_name)
416: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
417:
1.218 paf 418: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 419: if(env_request_uri)
1.122 parser 420: request_info.uri=env_request_uri;
1.214 paf 421: else
1.122 parser 422: if(query_string) {
1.218 paf 423: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 424: strlen(path_info)+1/*'?'*/+
1.218 paf 425: strlen(query_string)+1/*0*/];
1.122 parser 426: strcpy(reconstructed_uri, path_info);
427: strcat(reconstructed_uri, "?");
428: strcat(reconstructed_uri, query_string);
429: request_info.uri=reconstructed_uri;
430: } else
431: request_info.uri=path_info;
1.214 paf 432:
433: if(env_request_uri) { // apache & others stuck to standards
434: /*
435: http://parser3/env.html?123 =OK
436: $request:uri=/env.html?123
437: REQUEST_URI='/env.html?123'
438: SCRIPT_NAME='/cgi-bin/parser3'
439: PATH_INFO='/env.html'
440:
441: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
442: $request:uri=/cgi-bin/parser3/env.html?123
443: REQUEST_URI='/cgi-bin/parser3/env.html?123'
444: SCRIPT_NAME='/cgi-bin/parser3'
445: PATH_INFO='/env.html'
446: */
447: size_t script_name_len=strlen(script_name);
448: size_t uri_len=strlen(env_request_uri);
449: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
450: script_name_len != uri_len) // under IIS they are the same
451: SAPI::die("CGI: illegal call (1)");
452: } else { // seen on IIS5
453: /*
454: http://nestle/env.html?123 =OK
455: $request:uri=/env.html?123
456: REQUEST_URI=''
457: SCRIPT_NAME='/env.html'
458: PATH_INFO='/env.html'
459:
460: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
461: $request:uri=/env.html
462: REQUEST_URI=''
463: SCRIPT_NAME='/cgi-bin/parser3.exe'
464: PATH_INFO='/env.html'
465: */
466: if(strcmp(script_name, path_info)!=0)
467: SAPI::die("CGI: illegal call (2)");
468: }
1.122 parser 469: } else
1.177 paf 470: request_info.uri="";
1.122 parser 471:
1.218 paf 472: request_info.content_type=getenv("CONTENT_TYPE");
473: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 474: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 475: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 476: request_info.mail_received=mail_received;
477:
1.245 misha 478: request_info.argv=argv_all;
479: request_info.args_skip=args_skip;
480:
1.218 paf 481: // get request_info ptr for signal handlers
482: ::request_info=&request_info;
483: if(execution_canceled)
484: SAPI::die("Execution canceled");
1.198 paf 485:
1.233 paf 486: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
487: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
488: request_info.method,
489: request_info.uri,
490: request_info.query_string,
491: request_info.document_root,
492: request_info.path_translated,
493: request_info.cookie,
494: request_info.content_length);
495: #endif
496:
1.122 parser 497: // prepare to process request
1.221 paf 498: Request request(SAPI_info, request_info,
1.218 paf 499: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 500: true /* status_allowed */);
1.201 paf 501:
502: // get request ptr for signal handlers
503: ::request=&request;
504:
1.181 paf 505: char config_filespec_buf[MAX_STRING];
1.193 paf 506: if(!config_filespec_cstr) {
1.218 paf 507: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
1.193 paf 508: if(!config_by_env)
509: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
510: if(config_by_env)
511: config_filespec_cstr=config_by_env;
512: else {
513: // beside by binary
514: char beside_binary_path[MAX_STRING];
515: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
516: if(!(
517: rsplit(beside_binary_path, '/') ||
518: rsplit(beside_binary_path, '\\'))) { // strip filename
519: // no path, just filename
520: // @todo full path, not ./!
521: beside_binary_path[0]='.'; beside_binary_path[1]=0;
522: }
523: snprintf(config_filespec_buf, MAX_STRING,
524: "%s/%s",
525: beside_binary_path, AUTO_FILE_NAME);
526: config_filespec_cstr=config_filespec_buf;
1.197 paf 527: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 528: }
1.122 parser 529: }
530:
531: // process the request
532: request.core(
1.193 paf 533: config_filespec_cstr, fail_on_config_read_problem,
1.122 parser 534: header_only);
1.201 paf 535:
536: // no request [prevent signal handlers from accessing invalid memory]
537: ::request=0;
1.231 paf 538:
1.225 paf 539: // finalize global variables
540: pa_globals_done();
541:
1.122 parser 542: //
1.225 paf 543: pa_socks_done();
1.218 paf 544: }
545:
1.231 paf 546: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
547: static const Exception
548: call_real_parser_handler__do_PEH_return_it(
549: const char* filespec_to_process,
550: const char* request_method, bool header_only)
551: {
552: try {
1.122 parser 553: real_parser_handler(
554: filespec_to_process,
555: request_method, header_only);
1.231 paf 556: } catch(const Exception& e) {
557: return e;
1.122 parser 558: }
1.231 paf 559:
560: return Exception();
1.122 parser 561: }
1.231 paf 562: static void call_real_parser_handler__supress_system_exception(
563: const char* filespec_to_process,
564: const char* request_method, bool header_only)
565: {
566: Exception parser_exception;
567: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 568:
1.231 paf 569: __try {
570: parser_exception=call_real_parser_handler__do_PEH_return_it(
571: filespec_to_process,
1.232 paf 572: request_method, header_only);
1.231 paf 573: } __except (
574: (system_exception=GetExceptionInformation()),
575: EXCEPTION_EXECUTE_HANDLER)
576: {
1.131 paf 577:
1.231 paf 578: if(system_exception)
579: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
580: throw Exception("system",
1.218 paf 581: 0,
1.231 paf 582: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 583: else
1.231 paf 584: throw Exception("system",
1.218 paf 585: 0,
1.231 paf 586: "<no exception record>");
1.218 paf 587: else
1.231 paf 588: throw Exception("system",
1.218 paf 589: 0,
1.231 paf 590: "<no exception information>");
591: }
592:
593: if(parser_exception)
594: throw Exception(parser_exception);
595: }
1.218 paf 596: #endif
1.131 paf 597:
1.218 paf 598: static void usage(const char* program) {
1.188 paf 599: printf(
1.235 paf 600: "Parser/%s\n"
1.247 misha 601: "Copyright(c) 2001-2008 ArtLebedev Group (http://www.artlebedev.com)\n"
1.184 paf 602: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
603: "\n"
604: "Usage: %s [options] file\n"
605: "Options are:\n"
1.185 paf 606: #ifdef WITH_MAILRECEIVE
1.193 paf 607: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 608: #endif
1.193 paf 609: " -f config_file Use this config file (/path/to/auto.p)\n"
610: " -h Display usage information (this message)\n"
1.184 paf 611: , PARSER_VERSION,
612: program);
613: exit(EINVAL);
614: }
615:
1.249 misha 616: int main(int argc, char *argv[]) {
1.233 paf 617: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
618: log("main: entry");
619: #endif
1.224 paf 620: //_asm int 3;
1.218 paf 621: GC_java_finalization=0;
1.217 paf 622:
1.218 paf 623: #ifndef PA_DEBUG_DISABLE_GC
624: // Dont collect unless explicitly requested
625: // this is quicker (~30% ), but less memory-efficient(~8%)
626: // so deciding for speed
627: GC_dont_gc=1;
628: #endif
629: /*
630:
631: Array<int> test;
632: test+=3;
633: test+=4;
634: // int a=test.count();
635: int i=0;
636: scanf("%d", &i);
637: int b=test.get(i);
638: // int b=test.get(10);
639: printf("%d", b);//test.count());*/
1.217 paf 640:
1.203 paf 641: #ifdef SIGUSR1
1.205 paf 642: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 643: SAPI::die("Can not set handler for SIGUSR1");
644: #endif
645: #ifdef SIGPIPE
1.205 paf 646: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 647: SAPI::die("Can not set handler for SIGPIPE");
648: #endif
649:
650:
1.185 paf 651: #ifdef DEBUG_MAILRECEIVE
652: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 653: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
654: }
655: #endif
656:
1.178 paf 657: #ifdef _DEBUG
1.220 paf 658: //_crtBreakAlloc=46;
1.178 paf 659: #endif
1.245 misha 660: argv_all=argv;
1.193 paf 661: argv0=argv[0];
1.45 paf 662:
1.32 paf 663: umask(2);
664:
1.3 paf 665: // were we started as CGI?
1.146 paf 666: cgi=
1.109 parser 667: getenv("SERVER_SOFTWARE") ||
668: getenv("SERVER_NAME") ||
669: getenv("GATEWAY_INTERFACE") ||
670: getenv("REQUEST_METHOD");
1.5 paf 671:
1.184 paf 672: char *raw_filespec_to_process;
1.210 paf 673: if(cgi) {
1.184 paf 674: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 675: if(raw_filespec_to_process && !*raw_filespec_to_process)
676: raw_filespec_to_process=0;
677: } else {
1.250 misha 678: int optind=1;
1.245 misha 679: while(optind < argc){
680: char *carg = argv[optind];
681: if(carg[0] != '-')
1.184 paf 682: break;
1.245 misha 683:
684: for(size_t k = 1; k < strlen(carg); k++){
685: char c = carg[k];
686: switch (c) {
687: case 'h':
688: usage(argv[0]);
689: break;
690: case 'f':
691: if(optind < argc - 1){
692: optind++;
693: config_filespec_cstr=argv[optind];
694: }
695: break;
1.185 paf 696: #ifdef WITH_MAILRECEIVE
1.245 misha 697: case 'm':
698: mail_received=true;
699: break;
700: #endif
701: default:
702: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
703: usage(argv[0]);
704: break;
705: }
1.184 paf 706: }
1.245 misha 707: optind++;
1.184 paf 708: }
1.245 misha 709:
710: if (optind > argc - 1) {
1.184 paf 711: fprintf(stderr, "%s: file not specified\n", argv[0]);
712: usage(argv[0]);
1.10 paf 713: }
1.245 misha 714: raw_filespec_to_process=argv[optind];
715: args_skip=optind;
1.10 paf 716: }
717:
1.100 parser 718: #ifdef WIN32
719: setmode(fileno(stdin), _O_BINARY);
720: setmode(fileno(stdout), _O_BINARY);
721: setmode(fileno(stderr), _O_BINARY);
722: #endif
723:
1.218 paf 724: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 725: // Get current flag
726: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
727:
728: // Turn on leak-checking bit
729: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
730:
731: // Set flag to the new value
732: _CrtSetDbgFlag( tmpFlag );
1.218 paf 733: // _CrtSetBreakAlloc(61);
1.138 paf 734:
1.218 paf 735: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
736: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 737: #endif
738:
1.166 paf 739: char filespec_to_process[MAX_STRING];
740: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 741:
1.218 paf 742: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 743: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 744:
1.122 parser 745: try { // global try
1.231 paf 746: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
747: call_real_parser_handler__supress_system_exception(
748: #else
749: real_parser_handler(
750: #endif
1.122 parser 751: filespec_to_process,
752: request_method, header_only);
753: } catch(const Exception& e) { // global problem
1.44 paf 754: // don't allocate anything on pool here:
755: // possible pool' exception not catch-ed now
756: // and there could be out-of-memory exception
1.218 paf 757: char buf[MAX_STRING];
1.232 paf 758: snprintf(buf, MAX_STRING, "Unhandled exception %s",
759: e.comment());
1.218 paf 760: // log it
761: SAPI::log(SAPI_info, "%s", buf);
762:
763: //
764: int content_length=strlen(buf);
765:
766: // prepare header
1.248 misha 767: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE, "text/plain");
1.218 paf 768: char content_length_cstr[MAX_NUMBER];
769: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
770: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
771:
772: // send header
773: SAPI::send_header(SAPI_info);
774:
775: // send body
776: if(!header_only)
777: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 778:
1.218 paf 779: // unsuccessful finish
1.16 paf 780: }
1.109 parser 781:
1.233 paf 782: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
783: log("main: successful return");
784: #endif
1.134 paf 785: return 0;
1.1 paf 786: }
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