Annotation of parser3/src/targets/cgi/parser3.C, revision 1.241
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.237 paf 4: Copyright(c) 2001-2005 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:
1.241 ! misha 8: static const char * const IDENT_PARSER3_C="$Date: 2007/02/05 09:12:02 $";
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>
1.184 paf 25: # include "getopt.h"
26: #else
27: # include <getopt.h>
1.120 parser 28: #endif
29:
1.232 paf 30: // defines
1.231 paf 31:
1.233 paf 32: // comment remove me after debugging
1.234 paf 33: //#define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser\\debug-parser3.log"
1.233 paf 34:
1.231 paf 35: #if _MSC_VER && !defined(_DEBUG)
36: # define PA_SUPPRESS_SYSTEM_EXCEPTION
37: #endif
38:
1.196 paf 39: //#define DEBUG_MAILRECEIVE "mailreceive.eml"
1.160 paf 40:
1.109 parser 41: // consts
1.84 parser 42:
1.175 paf 43: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 44: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 45: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 46:
1.42 paf 47: /// IIS refuses to read bigger chunks
48: const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M
49:
1.218 paf 50: static const char* argv0;
51: static const char* config_filespec_cstr=0;
1.193 paf 52: static bool fail_on_config_read_problem=true;
1.192 paf 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:
115: char buf[MAX_STRING];
116: size_t size=vsnprintf(buf, MAX_STRING, fmt, args);
117: 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");
169: SAPI::add_header_attribute(SAPI_info, "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) {
1.241 ! misha 241: if(cgi && !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
1.205 paf 300: static void SIGPIPE_handler(int /*sig*/){
301: log_signal("SIGPIPE");
1.218 paf 302: execution_canceled=true;
1.201 paf 303: if(request)
1.218 paf 304: request->set_interrupted(true);
1.201 paf 305: }
306: #endif
307:
1.227 paf 308: #ifdef WIN32
309: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
310: {
1.228 paf 311: // 404;http://servername/page[?param=value...]
1.227 paf 312: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
313: // and can consider that as an indication that this is IIS way to report errors
314:
1.228 paf 315: if(original
1.230 paf 316: && isdigit((unsigned char)original[0])
317: && isdigit((unsigned char)original[1])
318: && isdigit((unsigned char)original[2])
1.227 paf 319: && original[3]==';')
320: {
321: size_t original_len=strlen(original);
322: char* reconstructed=new(PointerFreeGC) char[original_len
323: +12/*IIS-STATUS=&*/
324: +14/*IIS-DOCUMENT=&*/
325: +1];
326: char* cur=reconstructed;
327: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
328: memcpy(cur, original, 3); cur+=3;
329: *cur++='&';
330:
1.228 paf 331: const char* qmark_at=strchr(original, '?');
1.227 paf 332: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
333: {
334: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
335: memcpy(cur, original+4, value_len); cur+=value_len;
336: }
337:
338: if(qmark_at) {
339: *cur++='&';
340: strcpy(cur, qmark_at+1/*skip ? itself*/);
341: } else
342: *cur=0;
343:
344: return reconstructed;
345: }
346:
347: return original;
348: }
349: #endif
350:
1.40 paf 351: /**
1.122 parser 352: main workhorse
1.19 paf 353:
1.122 parser 354: @todo
1.40 paf 355: IIS: remove trailing default-document[index.html] from $request.uri.
356: to do that we need to consult metabase,
357: wich is tested but seems slow.
358: */
1.218 paf 359: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 360: const char* request_method, bool header_only)
361: {
1.122 parser 362: // init socks
1.225 paf 363: pa_socks_init();
1.231 paf 364:
1.122 parser 365: // init global variables
1.218 paf 366: pa_globals_init();
1.122 parser 367:
1.186 paf 368: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 369: SAPI::die("Parser/%s"
370: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
371: " with entry/exit tracing"
372: #endif
373: , PARSER_VERSION);
1.122 parser 374:
375: // Request info
1.218 paf 376: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 377: char document_root_buf[MAX_STRING];
1.122 parser 378: if(cgi) {
1.218 paf 379: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 380: request_info.document_root=env_document_root;
1.218 paf 381: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 382: // IIS
1.166 paf 383: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
384: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
385: request_info.document_root=document_root_buf;
1.122 parser 386: } else
1.165 paf 387: throw Exception("parser.runtime",
388: 0,
389: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 390: } else {
1.166 paf 391: full_file_spec("", document_root_buf, sizeof(document_root_buf));
392: request_info.document_root=document_root_buf;
1.122 parser 393: }
394: request_info.path_translated=filespec_to_process;
395: request_info.method=request_method ? request_method : "GET";
1.227 paf 396: const char* query_string=
397: #ifdef WIN32
398: maybe_reconstruct_IIS_status_in_qs
399: #endif
400: (getenv("QUERY_STRING"));
1.122 parser 401: request_info.query_string=query_string;
402: if(cgi) {
1.214 paf 403: // few absolute obligatory
1.218 paf 404: const char* path_info=getenv("PATH_INFO");
1.214 paf 405: if(!path_info)
406: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 407: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 408: if(!script_name)
409: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
410:
1.218 paf 411: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 412: if(env_request_uri)
1.122 parser 413: request_info.uri=env_request_uri;
1.214 paf 414: else
1.122 parser 415: if(query_string) {
1.218 paf 416: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 417: strlen(path_info)+1/*'?'*/+
1.218 paf 418: strlen(query_string)+1/*0*/];
1.122 parser 419: strcpy(reconstructed_uri, path_info);
420: strcat(reconstructed_uri, "?");
421: strcat(reconstructed_uri, query_string);
422: request_info.uri=reconstructed_uri;
423: } else
424: request_info.uri=path_info;
1.214 paf 425:
426: if(env_request_uri) { // apache & others stuck to standards
427: /*
428: http://parser3/env.html?123 =OK
429: $request:uri=/env.html?123
430: REQUEST_URI='/env.html?123'
431: SCRIPT_NAME='/cgi-bin/parser3'
432: PATH_INFO='/env.html'
433:
434: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
435: $request:uri=/cgi-bin/parser3/env.html?123
436: REQUEST_URI='/cgi-bin/parser3/env.html?123'
437: SCRIPT_NAME='/cgi-bin/parser3'
438: PATH_INFO='/env.html'
439: */
440: size_t script_name_len=strlen(script_name);
441: size_t uri_len=strlen(env_request_uri);
442: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
443: script_name_len != uri_len) // under IIS they are the same
444: SAPI::die("CGI: illegal call (1)");
445: } else { // seen on IIS5
446: /*
447: http://nestle/env.html?123 =OK
448: $request:uri=/env.html?123
449: REQUEST_URI=''
450: SCRIPT_NAME='/env.html'
451: PATH_INFO='/env.html'
452:
453: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
454: $request:uri=/env.html
455: REQUEST_URI=''
456: SCRIPT_NAME='/cgi-bin/parser3.exe'
457: PATH_INFO='/env.html'
458: */
459: if(strcmp(script_name, path_info)!=0)
460: SAPI::die("CGI: illegal call (2)");
461: }
1.122 parser 462: } else
1.177 paf 463: request_info.uri="";
1.122 parser 464:
1.218 paf 465: request_info.content_type=getenv("CONTENT_TYPE");
466: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 467: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 468: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 469: request_info.mail_received=mail_received;
470:
1.218 paf 471: // get request_info ptr for signal handlers
472: ::request_info=&request_info;
473: if(execution_canceled)
474: SAPI::die("Execution canceled");
1.198 paf 475:
1.233 paf 476: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
477: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
478: request_info.method,
479: request_info.uri,
480: request_info.query_string,
481: request_info.document_root,
482: request_info.path_translated,
483: request_info.cookie,
484: request_info.content_length);
485: #endif
486:
1.122 parser 487: // prepare to process request
1.221 paf 488: Request request(SAPI_info, request_info,
1.218 paf 489: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 490: true /* status_allowed */);
1.201 paf 491:
492: // get request ptr for signal handlers
493: ::request=&request;
494:
1.181 paf 495: char config_filespec_buf[MAX_STRING];
1.193 paf 496: if(!config_filespec_cstr) {
1.218 paf 497: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
1.193 paf 498: if(!config_by_env)
499: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
500: if(config_by_env)
501: config_filespec_cstr=config_by_env;
502: else {
503: // beside by binary
504: char beside_binary_path[MAX_STRING];
505: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
506: if(!(
507: rsplit(beside_binary_path, '/') ||
508: rsplit(beside_binary_path, '\\'))) { // strip filename
509: // no path, just filename
510: // @todo full path, not ./!
511: beside_binary_path[0]='.'; beside_binary_path[1]=0;
512: }
513: snprintf(config_filespec_buf, MAX_STRING,
514: "%s/%s",
515: beside_binary_path, AUTO_FILE_NAME);
516: config_filespec_cstr=config_filespec_buf;
1.197 paf 517: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 518: }
1.122 parser 519: }
520:
521: // process the request
522: request.core(
1.193 paf 523: config_filespec_cstr, fail_on_config_read_problem,
1.122 parser 524: header_only);
1.201 paf 525:
526: // no request [prevent signal handlers from accessing invalid memory]
527: ::request=0;
1.231 paf 528:
1.225 paf 529: // finalize global variables
530: pa_globals_done();
531:
1.122 parser 532: //
1.225 paf 533: pa_socks_done();
1.218 paf 534: }
535:
1.231 paf 536: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
537: static const Exception
538: call_real_parser_handler__do_PEH_return_it(
539: const char* filespec_to_process,
540: const char* request_method, bool header_only)
541: {
542: try {
1.122 parser 543: real_parser_handler(
544: filespec_to_process,
545: request_method, header_only);
1.231 paf 546: } catch(const Exception& e) {
547: return e;
1.122 parser 548: }
1.231 paf 549:
550: return Exception();
1.122 parser 551: }
1.231 paf 552: static void call_real_parser_handler__supress_system_exception(
553: const char* filespec_to_process,
554: const char* request_method, bool header_only)
555: {
556: Exception parser_exception;
557: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 558:
1.231 paf 559: __try {
560: parser_exception=call_real_parser_handler__do_PEH_return_it(
561: filespec_to_process,
1.232 paf 562: request_method, header_only);
1.231 paf 563: } __except (
564: (system_exception=GetExceptionInformation()),
565: EXCEPTION_EXECUTE_HANDLER)
566: {
1.131 paf 567:
1.231 paf 568: if(system_exception)
569: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
570: throw Exception("system",
1.218 paf 571: 0,
1.231 paf 572: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 573: else
1.231 paf 574: throw Exception("system",
1.218 paf 575: 0,
1.231 paf 576: "<no exception record>");
1.218 paf 577: else
1.231 paf 578: throw Exception("system",
1.218 paf 579: 0,
1.231 paf 580: "<no exception information>");
581: }
582:
583: if(parser_exception)
584: throw Exception(parser_exception);
585: }
1.218 paf 586: #endif
1.131 paf 587:
1.218 paf 588: static void usage(const char* program) {
1.188 paf 589: printf(
1.235 paf 590: "Parser/%s\n"
1.240 misha 591: "Copyright(c) 2001-2007 ArtLebedev Group (http://www.artlebedev.com)\n"
1.184 paf 592: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
593: "\n"
594: "Usage: %s [options] file\n"
595: "Options are:\n"
1.185 paf 596: #ifdef WITH_MAILRECEIVE
1.193 paf 597: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 598: #endif
1.193 paf 599: " -f config_file Use this config file (/path/to/auto.p)\n"
600: " -h Display usage information (this message)\n"
1.184 paf 601: , PARSER_VERSION,
602: program);
603: exit(EINVAL);
604: }
605:
1.218 paf 606: int main(int argc, char *argv[]) {
1.233 paf 607: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
608: log("main: entry");
609: #endif
1.224 paf 610: //_asm int 3;
1.218 paf 611: GC_java_finalization=0;
1.217 paf 612:
1.218 paf 613: #ifndef PA_DEBUG_DISABLE_GC
614: // Dont collect unless explicitly requested
615: // this is quicker (~30% ), but less memory-efficient(~8%)
616: // so deciding for speed
617: GC_dont_gc=1;
618: #endif
619: /*
620:
621: Array<int> test;
622: test+=3;
623: test+=4;
624: // int a=test.count();
625: int i=0;
626: scanf("%d", &i);
627: int b=test.get(i);
628: // int b=test.get(10);
629: printf("%d", b);//test.count());*/
1.217 paf 630:
1.203 paf 631: #ifdef SIGUSR1
1.205 paf 632: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 633: SAPI::die("Can not set handler for SIGUSR1");
634: #endif
635: #ifdef SIGPIPE
1.205 paf 636: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 637: SAPI::die("Can not set handler for SIGPIPE");
638: #endif
639:
640:
1.185 paf 641: #ifdef DEBUG_MAILRECEIVE
642: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 643: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
644: }
645: #endif
646:
1.178 paf 647: #ifdef _DEBUG
1.220 paf 648: //_crtBreakAlloc=46;
1.178 paf 649: #endif
1.193 paf 650: argv0=argv[0];
1.45 paf 651:
1.32 paf 652: umask(2);
653:
1.3 paf 654: // were we started as CGI?
1.146 paf 655: cgi=
1.109 parser 656: getenv("SERVER_SOFTWARE") ||
657: getenv("SERVER_NAME") ||
658: getenv("GATEWAY_INTERFACE") ||
659: getenv("REQUEST_METHOD");
1.5 paf 660:
1.184 paf 661: char *raw_filespec_to_process;
1.210 paf 662: if(cgi) {
1.184 paf 663: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 664: if(raw_filespec_to_process && !*raw_filespec_to_process)
665: raw_filespec_to_process=0;
666: } else {
1.184 paf 667: optind = 1;
668: opterr = 0;
669: int c;
1.193 paf 670: while((c = getopt(argc, argv, "hf:"
1.185 paf 671: #ifdef WITH_MAILRECEIVE
1.184 paf 672: "m"
673: #endif
674: )) > 0) {
675: switch (c) {
676: case 'h':
677: usage(argv[0]);
1.193 paf 678: break;
679: case 'f':
680: config_filespec_cstr=optarg;
1.184 paf 681: break;
1.185 paf 682: #ifdef WITH_MAILRECEIVE
1.184 paf 683: case 'm':
684: mail_received=true;
685: break;
686: #endif
687: default:
688: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], optopt);
689: usage(argv[0]);
690: break;
691: }
692: }
693: if (optind != argc - 1) {
694: fprintf(stderr, "%s: file not specified\n", argv[0]);
695: usage(argv[0]);
1.10 paf 696: }
1.184 paf 697:
698: raw_filespec_to_process=argv[optind++];
1.10 paf 699: }
700:
1.100 parser 701: #ifdef WIN32
702: setmode(fileno(stdin), _O_BINARY);
703: setmode(fileno(stdout), _O_BINARY);
704: setmode(fileno(stderr), _O_BINARY);
705: #endif
706:
1.218 paf 707: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 708: // Get current flag
709: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
710:
711: // Turn on leak-checking bit
712: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
713:
714: // Set flag to the new value
715: _CrtSetDbgFlag( tmpFlag );
1.218 paf 716: // _CrtSetBreakAlloc(61);
1.138 paf 717:
1.218 paf 718: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
719: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 720: #endif
721:
1.166 paf 722: char filespec_to_process[MAX_STRING];
723: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 724:
1.218 paf 725: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 726: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 727:
1.122 parser 728: try { // global try
1.231 paf 729: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
730: call_real_parser_handler__supress_system_exception(
731: #else
732: real_parser_handler(
733: #endif
1.122 parser 734: filespec_to_process,
735: request_method, header_only);
736: } catch(const Exception& e) { // global problem
1.44 paf 737: // don't allocate anything on pool here:
738: // possible pool' exception not catch-ed now
739: // and there could be out-of-memory exception
1.218 paf 740: char buf[MAX_STRING];
1.232 paf 741: snprintf(buf, MAX_STRING, "Unhandled exception %s",
742: e.comment());
1.218 paf 743: // log it
744: SAPI::log(SAPI_info, "%s", buf);
745:
746: //
747: int content_length=strlen(buf);
748:
749: // prepare header
750: SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain");
751: char content_length_cstr[MAX_NUMBER];
752: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
753: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
754:
755: // send header
756: SAPI::send_header(SAPI_info);
757:
758: // send body
759: if(!header_only)
760: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 761:
1.218 paf 762: // unsuccessful finish
1.16 paf 763: }
1.109 parser 764:
1.233 paf 765: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
766: log("main: successful return");
767: #endif
1.134 paf 768: return 0;
1.1 paf 769: }
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