Annotation of parser3/src/targets/cgi/parser3.C, revision 1.254
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:
1.254 ! misha 8: static const char * const IDENT_PARSER3_C="$Date: 2009-08-30 05:29:46 $";
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
1.253 misha 168: SAPI::add_header_attribute(SAPI_info, HTTP_STATUS, "500");
1.248 misha 169: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE, "text/plain");
1.253 misha 170: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH, format(content_length, "%u"));
1.134 paf 171:
172: // send header
1.218 paf 173: SAPI::send_header(SAPI_info);
1.134 paf 174:
175: // body
1.218 paf 176: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 177:
1.218 paf 178: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
179: if(write_core) {
180: #if defined(WIN32) && !defined(_DEBUG)
181: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
182: exit(1);
1.214 paf 183: #else
1.218 paf 184: #if _MSC_VER
185: _asm int 3;
186: #endif
187: abort();
1.214 paf 188: #endif
1.218 paf 189: }
190: else
191: exit(1);
192: }
193:
194: void SAPI::die(const char* fmt, ...) {
195: va_list args;
196: va_start(args, fmt);
197: die_or_abort(fmt, args, false/*write core?*/);
1.238 paf 198: //unreachable anyway va_end(args);
1.61 paf 199: }
200:
1.218 paf 201: void SAPI::abort(const char* fmt, ...) {
202: va_list args;
203: va_start(args, fmt);
204: die_or_abort(fmt, args, true/*write core?*/);
1.238 paf 205: //unreachable anyway va_end(args);
1.28 paf 206: }
207:
1.218 paf 208: char* SAPI::get_env(SAPI_Info& , const char* name) {
209: if(char *local=getenv(name))
210: return pa_strdup(local);
211: else
212: return 0;
213: }
214:
215: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 216: #ifdef _MSC_VER
217: extern char **_environ;
218: return _environ;
219: #else
220: extern char **environ;
221: return environ;
222: #endif
223: }
224:
1.218 paf 225: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 226: size_t read_size=0;
1.12 paf 227: do {
1.200 paf 228: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 229: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 230: if(chunk_size<=0)
1.12 paf 231: break;
232: read_size+=chunk_size;
233: } while(read_size<max_bytes);
234:
235: return read_size;
1.10 paf 236: }
237:
1.218 paf 238: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.242 misha 239: if( cgi && (!request || !request->console.was_used()) )
1.254 ! misha 240: printf("%s: %s\n", capitalize(dont_store_key), dont_store_value);
1.19 paf 241: }
242:
1.56 paf 243: /// @todo intelligent cache-control
1.218 paf 244: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 245: if(cgi) {
1.147 paf 246: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 247:
248: // header | body delimiter
1.20 paf 249: puts("");
1.33 paf 250: }
1.30 paf 251: }
1.20 paf 252:
1.229 paf 253: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
254: return stdout_write(buf, size);
1.58 paf 255: }
256:
1.97 parser 257: //
258:
1.218 paf 259: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 260: if(file_name)
1.167 paf 261: if(file_name[0]=='/'
262: #ifdef WIN32
1.210 paf 263: || file_name[0] && file_name[1]==':'
1.167 paf 264: #endif
1.210 paf 265: )
1.218 paf 266: strncpy(buf, file_name, buf_size);
1.167 paf 267: else {
268: char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING);
269: snprintf(buf, buf_size, "%s/%s", cwd, file_name);
270: }
271: else
272: buf[0]=0;
1.166 paf 273: #ifdef WIN32
274: back_slashes_to_slashes(buf);
275: #endif
1.97 parser 276: }
277:
1.218 paf 278: static void log_signal(const char* signal_name) {
279: if(request_info)
1.219 paf 280: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 281: signal_name,
282: request?"executing code":"reading data",
283: request_info->uri,
284: request_info->method,
285: request_info->content_length);
286: else
287: SAPI::log(SAPI_info, "%s received before or after processing request",
288: signal_name);
1.205 paf 289: }
290:
1.201 paf 291: #ifdef SIGUSR1
1.205 paf 292: static void SIGUSR1_handler(int /*sig*/){
293: log_signal("SIGUSR1");
1.201 paf 294: }
295: #endif
296:
297: #ifdef SIGPIPE
1.243 misha 298: #define SIGPIPE_NAME "SIGPIPE"
299: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 300: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 301: Value* sigpipe=0;
302: if(request)
1.251 misha 303: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 304: if(sigpipe && sigpipe->as_bool())
1.244 misha 305: log_signal(SIGPIPE_NAME);
1.243 misha 306:
1.218 paf 307: execution_canceled=true;
1.201 paf 308: if(request)
1.218 paf 309: request->set_interrupted(true);
1.201 paf 310: }
311: #endif
312:
1.227 paf 313: #ifdef WIN32
314: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
315: {
1.228 paf 316: // 404;http://servername/page[?param=value...]
1.227 paf 317: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
318: // and can consider that as an indication that this is IIS way to report errors
319:
1.228 paf 320: if(original
1.230 paf 321: && isdigit((unsigned char)original[0])
322: && isdigit((unsigned char)original[1])
323: && isdigit((unsigned char)original[2])
1.227 paf 324: && original[3]==';')
325: {
326: size_t original_len=strlen(original);
327: char* reconstructed=new(PointerFreeGC) char[original_len
328: +12/*IIS-STATUS=&*/
329: +14/*IIS-DOCUMENT=&*/
330: +1];
331: char* cur=reconstructed;
332: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
333: memcpy(cur, original, 3); cur+=3;
334: *cur++='&';
335:
1.228 paf 336: const char* qmark_at=strchr(original, '?');
1.227 paf 337: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
338: {
339: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
340: memcpy(cur, original+4, value_len); cur+=value_len;
341: }
342:
343: if(qmark_at) {
344: *cur++='&';
345: strcpy(cur, qmark_at+1/*skip ? itself*/);
346: } else
347: *cur=0;
348:
349: return reconstructed;
350: }
351:
352: return original;
353: }
354: #endif
355:
1.40 paf 356: /**
1.122 parser 357: main workhorse
1.19 paf 358:
1.122 parser 359: @todo
1.40 paf 360: IIS: remove trailing default-document[index.html] from $request.uri.
361: to do that we need to consult metabase,
362: wich is tested but seems slow.
363: */
1.218 paf 364: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 365: const char* request_method, bool header_only)
366: {
1.122 parser 367: // init socks
1.225 paf 368: pa_socks_init();
1.231 paf 369:
1.122 parser 370: // init global variables
1.218 paf 371: pa_globals_init();
1.122 parser 372:
1.186 paf 373: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 374: SAPI::die("Parser/%s"
375: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
376: " with entry/exit tracing"
377: #endif
378: , PARSER_VERSION);
1.122 parser 379:
380: // Request info
1.218 paf 381: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 382: char document_root_buf[MAX_STRING];
1.122 parser 383: if(cgi) {
1.218 paf 384: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 385: request_info.document_root=env_document_root;
1.218 paf 386: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 387: // IIS
1.166 paf 388: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
389: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
390: request_info.document_root=document_root_buf;
1.122 parser 391: } else
1.243 misha 392: throw Exception(PARSER_RUNTIME,
1.165 paf 393: 0,
394: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 395: } else {
1.166 paf 396: full_file_spec("", document_root_buf, sizeof(document_root_buf));
397: request_info.document_root=document_root_buf;
1.122 parser 398: }
399: request_info.path_translated=filespec_to_process;
400: request_info.method=request_method ? request_method : "GET";
1.227 paf 401: const char* query_string=
402: #ifdef WIN32
403: maybe_reconstruct_IIS_status_in_qs
404: #endif
405: (getenv("QUERY_STRING"));
1.122 parser 406: request_info.query_string=query_string;
407: if(cgi) {
1.214 paf 408: // few absolute obligatory
1.218 paf 409: const char* path_info=getenv("PATH_INFO");
1.214 paf 410: if(!path_info)
411: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 412: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 413: if(!script_name)
414: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
415:
1.218 paf 416: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 417: if(env_request_uri)
1.122 parser 418: request_info.uri=env_request_uri;
1.214 paf 419: else
1.122 parser 420: if(query_string) {
1.218 paf 421: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 422: strlen(path_info)+1/*'?'*/+
1.218 paf 423: strlen(query_string)+1/*0*/];
1.122 parser 424: strcpy(reconstructed_uri, path_info);
425: strcat(reconstructed_uri, "?");
426: strcat(reconstructed_uri, query_string);
427: request_info.uri=reconstructed_uri;
428: } else
429: request_info.uri=path_info;
1.214 paf 430:
431: if(env_request_uri) { // apache & others stuck to standards
432: /*
433: http://parser3/env.html?123 =OK
434: $request:uri=/env.html?123
435: REQUEST_URI='/env.html?123'
436: SCRIPT_NAME='/cgi-bin/parser3'
437: PATH_INFO='/env.html'
438:
439: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
440: $request:uri=/cgi-bin/parser3/env.html?123
441: REQUEST_URI='/cgi-bin/parser3/env.html?123'
442: SCRIPT_NAME='/cgi-bin/parser3'
443: PATH_INFO='/env.html'
444: */
445: size_t script_name_len=strlen(script_name);
446: size_t uri_len=strlen(env_request_uri);
447: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
448: script_name_len != uri_len) // under IIS they are the same
449: SAPI::die("CGI: illegal call (1)");
450: } else { // seen on IIS5
451: /*
452: http://nestle/env.html?123 =OK
453: $request:uri=/env.html?123
454: REQUEST_URI=''
455: SCRIPT_NAME='/env.html'
456: PATH_INFO='/env.html'
457:
458: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
459: $request:uri=/env.html
460: REQUEST_URI=''
461: SCRIPT_NAME='/cgi-bin/parser3.exe'
462: PATH_INFO='/env.html'
463: */
464: if(strcmp(script_name, path_info)!=0)
465: SAPI::die("CGI: illegal call (2)");
466: }
1.122 parser 467: } else
1.177 paf 468: request_info.uri="";
1.122 parser 469:
1.218 paf 470: request_info.content_type=getenv("CONTENT_TYPE");
471: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 472: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 473: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 474: request_info.mail_received=mail_received;
475:
1.245 misha 476: request_info.argv=argv_all;
477: request_info.args_skip=args_skip;
478:
1.218 paf 479: // get request_info ptr for signal handlers
480: ::request_info=&request_info;
481: if(execution_canceled)
482: SAPI::die("Execution canceled");
1.198 paf 483:
1.233 paf 484: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
485: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
486: request_info.method,
487: request_info.uri,
488: request_info.query_string,
489: request_info.document_root,
490: request_info.path_translated,
491: request_info.cookie,
492: request_info.content_length);
493: #endif
494:
1.122 parser 495: // prepare to process request
1.221 paf 496: Request request(SAPI_info, request_info,
1.218 paf 497: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 498: true /* status_allowed */);
1.201 paf 499:
500: // get request ptr for signal handlers
501: ::request=&request;
502:
1.181 paf 503: char config_filespec_buf[MAX_STRING];
1.193 paf 504: if(!config_filespec_cstr) {
1.218 paf 505: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
1.193 paf 506: if(!config_by_env)
507: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
508: if(config_by_env)
509: config_filespec_cstr=config_by_env;
510: else {
511: // beside by binary
512: char beside_binary_path[MAX_STRING];
513: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
514: if(!(
515: rsplit(beside_binary_path, '/') ||
516: rsplit(beside_binary_path, '\\'))) { // strip filename
517: // no path, just filename
518: // @todo full path, not ./!
519: beside_binary_path[0]='.'; beside_binary_path[1]=0;
520: }
521: snprintf(config_filespec_buf, MAX_STRING,
522: "%s/%s",
523: beside_binary_path, AUTO_FILE_NAME);
524: config_filespec_cstr=config_filespec_buf;
1.197 paf 525: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 526: }
1.122 parser 527: }
528:
529: // process the request
530: request.core(
1.193 paf 531: config_filespec_cstr, fail_on_config_read_problem,
1.122 parser 532: header_only);
1.201 paf 533:
534: // no request [prevent signal handlers from accessing invalid memory]
535: ::request=0;
1.231 paf 536:
1.225 paf 537: // finalize global variables
538: pa_globals_done();
539:
1.122 parser 540: //
1.225 paf 541: pa_socks_done();
1.218 paf 542: }
543:
1.231 paf 544: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
545: static const Exception
546: call_real_parser_handler__do_PEH_return_it(
547: const char* filespec_to_process,
548: const char* request_method, bool header_only)
549: {
550: try {
1.122 parser 551: real_parser_handler(
552: filespec_to_process,
553: request_method, header_only);
1.231 paf 554: } catch(const Exception& e) {
555: return e;
1.122 parser 556: }
1.231 paf 557:
558: return Exception();
1.122 parser 559: }
1.231 paf 560: static void call_real_parser_handler__supress_system_exception(
561: const char* filespec_to_process,
562: const char* request_method, bool header_only)
563: {
564: Exception parser_exception;
565: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 566:
1.231 paf 567: __try {
568: parser_exception=call_real_parser_handler__do_PEH_return_it(
569: filespec_to_process,
1.232 paf 570: request_method, header_only);
1.231 paf 571: } __except (
572: (system_exception=GetExceptionInformation()),
573: EXCEPTION_EXECUTE_HANDLER)
574: {
1.131 paf 575:
1.231 paf 576: if(system_exception)
577: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
578: throw Exception("system",
1.218 paf 579: 0,
1.231 paf 580: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 581: else
1.231 paf 582: throw Exception("system",
1.218 paf 583: 0,
1.231 paf 584: "<no exception record>");
1.218 paf 585: else
1.231 paf 586: throw Exception("system",
1.218 paf 587: 0,
1.231 paf 588: "<no exception information>");
589: }
590:
591: if(parser_exception)
592: throw Exception(parser_exception);
593: }
1.218 paf 594: #endif
1.131 paf 595:
1.218 paf 596: static void usage(const char* program) {
1.188 paf 597: printf(
1.235 paf 598: "Parser/%s\n"
1.252 misha 599: "Copyright(c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com)\n"
1.184 paf 600: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
601: "\n"
602: "Usage: %s [options] file\n"
603: "Options are:\n"
1.185 paf 604: #ifdef WITH_MAILRECEIVE
1.193 paf 605: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 606: #endif
1.193 paf 607: " -f config_file Use this config file (/path/to/auto.p)\n"
608: " -h Display usage information (this message)\n"
1.184 paf 609: , PARSER_VERSION,
610: program);
611: exit(EINVAL);
612: }
613:
1.249 misha 614: int main(int argc, char *argv[]) {
1.233 paf 615: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
616: log("main: entry");
617: #endif
1.224 paf 618: //_asm int 3;
1.218 paf 619: GC_java_finalization=0;
1.217 paf 620:
1.218 paf 621: #ifndef PA_DEBUG_DISABLE_GC
622: // Dont collect unless explicitly requested
623: // this is quicker (~30% ), but less memory-efficient(~8%)
624: // so deciding for speed
625: GC_dont_gc=1;
626: #endif
627: /*
628:
629: Array<int> test;
630: test+=3;
631: test+=4;
632: // int a=test.count();
633: int i=0;
634: scanf("%d", &i);
635: int b=test.get(i);
636: // int b=test.get(10);
637: printf("%d", b);//test.count());*/
1.217 paf 638:
1.203 paf 639: #ifdef SIGUSR1
1.205 paf 640: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 641: SAPI::die("Can not set handler for SIGUSR1");
642: #endif
643: #ifdef SIGPIPE
1.205 paf 644: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 645: SAPI::die("Can not set handler for SIGPIPE");
646: #endif
647:
648:
1.185 paf 649: #ifdef DEBUG_MAILRECEIVE
650: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 651: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
652: }
653: #endif
654:
1.178 paf 655: #ifdef _DEBUG
1.220 paf 656: //_crtBreakAlloc=46;
1.178 paf 657: #endif
1.245 misha 658: argv_all=argv;
1.193 paf 659: argv0=argv[0];
1.45 paf 660:
1.32 paf 661: umask(2);
662:
1.3 paf 663: // were we started as CGI?
1.146 paf 664: cgi=
1.109 parser 665: getenv("SERVER_SOFTWARE") ||
666: getenv("SERVER_NAME") ||
667: getenv("GATEWAY_INTERFACE") ||
668: getenv("REQUEST_METHOD");
1.5 paf 669:
1.184 paf 670: char *raw_filespec_to_process;
1.210 paf 671: if(cgi) {
1.184 paf 672: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 673: if(raw_filespec_to_process && !*raw_filespec_to_process)
674: raw_filespec_to_process=0;
675: } else {
1.250 misha 676: int optind=1;
1.245 misha 677: while(optind < argc){
678: char *carg = argv[optind];
679: if(carg[0] != '-')
1.184 paf 680: break;
1.245 misha 681:
682: for(size_t k = 1; k < strlen(carg); k++){
683: char c = carg[k];
684: switch (c) {
685: case 'h':
686: usage(argv[0]);
687: break;
688: case 'f':
689: if(optind < argc - 1){
690: optind++;
691: config_filespec_cstr=argv[optind];
692: }
693: break;
1.185 paf 694: #ifdef WITH_MAILRECEIVE
1.245 misha 695: case 'm':
696: mail_received=true;
697: break;
698: #endif
699: default:
700: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
701: usage(argv[0]);
702: break;
703: }
1.184 paf 704: }
1.245 misha 705: optind++;
1.184 paf 706: }
1.245 misha 707:
708: if (optind > argc - 1) {
1.184 paf 709: fprintf(stderr, "%s: file not specified\n", argv[0]);
710: usage(argv[0]);
1.10 paf 711: }
1.245 misha 712: raw_filespec_to_process=argv[optind];
713: args_skip=optind;
1.10 paf 714: }
715:
1.100 parser 716: #ifdef WIN32
717: setmode(fileno(stdin), _O_BINARY);
718: setmode(fileno(stdout), _O_BINARY);
719: setmode(fileno(stderr), _O_BINARY);
720: #endif
721:
1.218 paf 722: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 723: // Get current flag
724: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
725:
726: // Turn on leak-checking bit
727: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
728:
729: // Set flag to the new value
730: _CrtSetDbgFlag( tmpFlag );
1.218 paf 731: // _CrtSetBreakAlloc(61);
1.138 paf 732:
1.218 paf 733: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
734: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 735: #endif
736:
1.166 paf 737: char filespec_to_process[MAX_STRING];
738: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 739:
1.218 paf 740: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 741: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 742:
1.122 parser 743: try { // global try
1.231 paf 744: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
745: call_real_parser_handler__supress_system_exception(
746: #else
747: real_parser_handler(
748: #endif
1.122 parser 749: filespec_to_process,
750: request_method, header_only);
751: } catch(const Exception& e) { // global problem
1.44 paf 752: // don't allocate anything on pool here:
753: // possible pool' exception not catch-ed now
754: // and there could be out-of-memory exception
1.218 paf 755: char buf[MAX_STRING];
1.232 paf 756: snprintf(buf, MAX_STRING, "Unhandled exception %s",
757: e.comment());
1.218 paf 758: // log it
759: SAPI::log(SAPI_info, "%s", buf);
760:
761: //
762: int content_length=strlen(buf);
763:
764: // prepare header
1.248 misha 765: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE, "text/plain");
1.253 misha 766: SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH, format(content_length, "%u"));
1.218 paf 767:
768: // send header
769: SAPI::send_header(SAPI_info);
770:
771: // send body
772: if(!header_only)
773: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 774:
1.218 paf 775: // unsuccessful finish
1.16 paf 776: }
1.109 parser 777:
1.233 paf 778: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
779: log("main: successful return");
780: #endif
1.134 paf 781: return 0;
1.1 paf 782: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to parser3.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / targets / cgi