Annotation of parser3/src/targets/cgi/parser3.C, revision 1.234
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.223 paf 4: Copyright(c) 2001-2004 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:
1.234 ! paf 8: static const char * const IDENT_PARSER3_C="$Date: 2004/11/09 11:34:06 $";
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,
110: getpid()
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);
118:
119: fwrite(buf, size, 1, f);
1.61 paf 120: // newline
121: fprintf(f, "\n");
122:
123: if(opened)
124: fclose(f);
1.85 parser 125: else
126: fflush(f);
1.124 parser 127: }
1.233 paf 128: static void log(const char* fmt, ...) {
129: va_list args;
130: va_start(args,fmt);
131: log(fmt, args);
132: va_end(args);
133: }
1.124 parser 134:
135: // appends to parser3.log located beside my binary if openable, to stderr otherwize
1.218 paf 136: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.124 parser 137: va_list args;
138: va_start(args,fmt);
139: ::log(fmt, args);
140: va_end(args);
141: }
142:
1.218 paf 143: static void die_or_abort(const char* fmt, va_list args, bool write_core) {
1.138 paf 144: // log
145:
146: // logging is more important than user
1.204 paf 147: // she can cancel download, we'd get SIGPIPE,
1.138 paf 148: // nothing would be logged then
1.124 parser 149: ::log(fmt, args);
150:
1.138 paf 151: // inform user
152:
1.134 paf 153: char body[MAX_STRING];
1.138 paf 154: int content_length=vsnprintf(body, MAX_STRING, fmt, args);
1.134 paf 155:
156: // prepare header
157: // let's be honest, that's bad we couldn't produce valid output
1.218 paf 158: SAPI::add_header_attribute(SAPI_info, "status", "500");
159: SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain");
1.134 paf 160: char content_length_cstr[MAX_NUMBER];
1.168 paf 161: snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length);
1.218 paf 162: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
1.134 paf 163:
164: // send header
1.218 paf 165: SAPI::send_header(SAPI_info);
1.134 paf 166:
167: // body
1.218 paf 168: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 169:
1.218 paf 170: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
171: if(write_core) {
172: #if defined(WIN32) && !defined(_DEBUG)
173: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
174: exit(1);
1.214 paf 175: #else
1.218 paf 176: #if _MSC_VER
177: _asm int 3;
178: #endif
179: abort();
1.214 paf 180: #endif
1.218 paf 181: }
182: else
183: exit(1);
184: }
185:
186: void SAPI::die(const char* fmt, ...) {
187: va_list args;
188: va_start(args, fmt);
189: die_or_abort(fmt, args, false/*write core?*/);
190: va_end(args);
1.61 paf 191: }
192:
1.218 paf 193: void SAPI::abort(const char* fmt, ...) {
194: va_list args;
195: va_start(args, fmt);
196: die_or_abort(fmt, args, true/*write core?*/);
197: va_end(args);
1.28 paf 198: }
199:
1.218 paf 200: char* SAPI::get_env(SAPI_Info& , const char* name) {
201: if(char *local=getenv(name))
202: return pa_strdup(local);
203: else
204: return 0;
205: }
206:
207: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 208: #ifdef _MSC_VER
209: extern char **_environ;
210: return _environ;
211: #else
212: extern char **environ;
213: return environ;
214: #endif
215: }
216:
1.218 paf 217: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 218: size_t read_size=0;
1.12 paf 219: do {
1.200 paf 220: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 221: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 222: if(chunk_size<=0)
1.12 paf 223: break;
224: read_size+=chunk_size;
225: } while(read_size<max_bytes);
226:
227: return read_size;
1.10 paf 228: }
229:
1.218 paf 230: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.68 paf 231: if(cgi)
1.218 paf 232: printf("%s: %s\n", dont_store_key, dont_store_value);
1.19 paf 233: }
234:
1.56 paf 235: /// @todo intelligent cache-control
1.218 paf 236: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 237: if(cgi) {
1.147 paf 238: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 239:
240: // header | body delimiter
1.20 paf 241: puts("");
1.33 paf 242: }
1.30 paf 243: }
1.20 paf 244:
1.229 paf 245: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
246: return stdout_write(buf, size);
1.58 paf 247: }
248:
1.97 parser 249: //
250:
1.218 paf 251: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 252: if(file_name)
1.167 paf 253: if(file_name[0]=='/'
254: #ifdef WIN32
1.210 paf 255: || file_name[0] && file_name[1]==':'
1.167 paf 256: #endif
1.210 paf 257: )
1.218 paf 258: strncpy(buf, file_name, buf_size);
1.167 paf 259: else {
260: char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING);
261: snprintf(buf, buf_size, "%s/%s", cwd, file_name);
262: }
263: else
264: buf[0]=0;
1.166 paf 265: #ifdef WIN32
266: back_slashes_to_slashes(buf);
267: #endif
1.97 parser 268: }
269:
1.218 paf 270: static void log_signal(const char* signal_name) {
271: if(request_info)
1.219 paf 272: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 273: signal_name,
274: request?"executing code":"reading data",
275: request_info->uri,
276: request_info->method,
277: request_info->content_length);
278: else
279: SAPI::log(SAPI_info, "%s received before or after processing request",
280: signal_name);
1.205 paf 281: }
282:
1.201 paf 283: #ifdef SIGUSR1
1.205 paf 284: static void SIGUSR1_handler(int /*sig*/){
285: log_signal("SIGUSR1");
1.201 paf 286: }
287: #endif
288:
289: #ifdef SIGPIPE
1.205 paf 290: static void SIGPIPE_handler(int /*sig*/){
291: log_signal("SIGPIPE");
1.218 paf 292: execution_canceled=true;
1.201 paf 293: if(request)
1.218 paf 294: request->set_interrupted(true);
1.201 paf 295: }
296: #endif
297:
1.227 paf 298: #ifdef WIN32
299: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
300: {
1.228 paf 301: // 404;http://servername/page[?param=value...]
1.227 paf 302: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
303: // and can consider that as an indication that this is IIS way to report errors
304:
1.228 paf 305: if(original
1.230 paf 306: && isdigit((unsigned char)original[0])
307: && isdigit((unsigned char)original[1])
308: && isdigit((unsigned char)original[2])
1.227 paf 309: && original[3]==';')
310: {
311: size_t original_len=strlen(original);
312: char* reconstructed=new(PointerFreeGC) char[original_len
313: +12/*IIS-STATUS=&*/
314: +14/*IIS-DOCUMENT=&*/
315: +1];
316: char* cur=reconstructed;
317: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
318: memcpy(cur, original, 3); cur+=3;
319: *cur++='&';
320:
1.228 paf 321: const char* qmark_at=strchr(original, '?');
1.227 paf 322: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
323: {
324: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
325: memcpy(cur, original+4, value_len); cur+=value_len;
326: }
327:
328: if(qmark_at) {
329: *cur++='&';
330: strcpy(cur, qmark_at+1/*skip ? itself*/);
331: } else
332: *cur=0;
333:
334: return reconstructed;
335: }
336:
337: return original;
338: }
339: #endif
340:
1.40 paf 341: /**
1.122 parser 342: main workhorse
1.19 paf 343:
1.122 parser 344: @todo
1.40 paf 345: IIS: remove trailing default-document[index.html] from $request.uri.
346: to do that we need to consult metabase,
347: wich is tested but seems slow.
348: */
1.218 paf 349: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 350: const char* request_method, bool header_only)
351: {
1.122 parser 352: // init socks
1.225 paf 353: pa_socks_init();
1.231 paf 354:
1.122 parser 355: // init global variables
1.218 paf 356: pa_globals_init();
1.122 parser 357:
1.186 paf 358: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 359: SAPI::die("Parser/%s"
360: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
361: " with entry/exit tracing"
362: #endif
363: , PARSER_VERSION);
1.122 parser 364:
365: // Request info
1.218 paf 366: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 367: char document_root_buf[MAX_STRING];
1.122 parser 368: if(cgi) {
1.218 paf 369: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 370: request_info.document_root=env_document_root;
1.218 paf 371: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 372: // IIS
1.166 paf 373: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
374: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
375: request_info.document_root=document_root_buf;
1.122 parser 376: } else
1.165 paf 377: throw Exception("parser.runtime",
378: 0,
379: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 380: } else {
1.166 paf 381: full_file_spec("", document_root_buf, sizeof(document_root_buf));
382: request_info.document_root=document_root_buf;
1.122 parser 383: }
384: request_info.path_translated=filespec_to_process;
385: request_info.method=request_method ? request_method : "GET";
1.227 paf 386: const char* query_string=
387: #ifdef WIN32
388: maybe_reconstruct_IIS_status_in_qs
389: #endif
390: (getenv("QUERY_STRING"));
1.122 parser 391: request_info.query_string=query_string;
392: if(cgi) {
1.214 paf 393: // few absolute obligatory
1.218 paf 394: const char* path_info=getenv("PATH_INFO");
1.214 paf 395: if(!path_info)
396: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 397: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 398: if(!script_name)
399: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
400:
1.218 paf 401: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 402: if(env_request_uri)
1.122 parser 403: request_info.uri=env_request_uri;
1.214 paf 404: else
1.122 parser 405: if(query_string) {
1.218 paf 406: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 407: strlen(path_info)+1/*'?'*/+
1.218 paf 408: strlen(query_string)+1/*0*/];
1.122 parser 409: strcpy(reconstructed_uri, path_info);
410: strcat(reconstructed_uri, "?");
411: strcat(reconstructed_uri, query_string);
412: request_info.uri=reconstructed_uri;
413: } else
414: request_info.uri=path_info;
1.214 paf 415:
416: if(env_request_uri) { // apache & others stuck to standards
417: /*
418: http://parser3/env.html?123 =OK
419: $request:uri=/env.html?123
420: REQUEST_URI='/env.html?123'
421: SCRIPT_NAME='/cgi-bin/parser3'
422: PATH_INFO='/env.html'
423:
424: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
425: $request:uri=/cgi-bin/parser3/env.html?123
426: REQUEST_URI='/cgi-bin/parser3/env.html?123'
427: SCRIPT_NAME='/cgi-bin/parser3'
428: PATH_INFO='/env.html'
429: */
430: size_t script_name_len=strlen(script_name);
431: size_t uri_len=strlen(env_request_uri);
432: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
433: script_name_len != uri_len) // under IIS they are the same
434: SAPI::die("CGI: illegal call (1)");
435: } else { // seen on IIS5
436: /*
437: http://nestle/env.html?123 =OK
438: $request:uri=/env.html?123
439: REQUEST_URI=''
440: SCRIPT_NAME='/env.html'
441: PATH_INFO='/env.html'
442:
443: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
444: $request:uri=/env.html
445: REQUEST_URI=''
446: SCRIPT_NAME='/cgi-bin/parser3.exe'
447: PATH_INFO='/env.html'
448: */
449: if(strcmp(script_name, path_info)!=0)
450: SAPI::die("CGI: illegal call (2)");
451: }
1.122 parser 452: } else
1.177 paf 453: request_info.uri="";
1.122 parser 454:
1.218 paf 455: request_info.content_type=getenv("CONTENT_TYPE");
456: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 457: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 458: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 459: request_info.mail_received=mail_received;
460:
1.218 paf 461: // get request_info ptr for signal handlers
462: ::request_info=&request_info;
463: if(execution_canceled)
464: SAPI::die("Execution canceled");
1.198 paf 465:
1.233 paf 466: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
467: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
468: request_info.method,
469: request_info.uri,
470: request_info.query_string,
471: request_info.document_root,
472: request_info.path_translated,
473: request_info.cookie,
474: request_info.content_length);
475: #endif
476:
1.122 parser 477: // prepare to process request
1.221 paf 478: Request request(SAPI_info, request_info,
1.218 paf 479: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 480: true /* status_allowed */);
1.201 paf 481:
482: // get request ptr for signal handlers
483: ::request=&request;
484:
1.181 paf 485: char config_filespec_buf[MAX_STRING];
1.193 paf 486: if(!config_filespec_cstr) {
1.218 paf 487: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
1.193 paf 488: if(!config_by_env)
489: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
490: if(config_by_env)
491: config_filespec_cstr=config_by_env;
492: else {
493: // beside by binary
494: char beside_binary_path[MAX_STRING];
495: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
496: if(!(
497: rsplit(beside_binary_path, '/') ||
498: rsplit(beside_binary_path, '\\'))) { // strip filename
499: // no path, just filename
500: // @todo full path, not ./!
501: beside_binary_path[0]='.'; beside_binary_path[1]=0;
502: }
503: snprintf(config_filespec_buf, MAX_STRING,
504: "%s/%s",
505: beside_binary_path, AUTO_FILE_NAME);
506: config_filespec_cstr=config_filespec_buf;
1.197 paf 507: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 508: }
1.122 parser 509: }
510:
511: // process the request
512: request.core(
1.193 paf 513: config_filespec_cstr, fail_on_config_read_problem,
1.122 parser 514: header_only);
1.201 paf 515:
516: // no request [prevent signal handlers from accessing invalid memory]
517: ::request=0;
1.231 paf 518:
1.225 paf 519: // finalize global variables
520: pa_globals_done();
521:
1.122 parser 522: //
1.225 paf 523: pa_socks_done();
1.218 paf 524: }
525:
1.231 paf 526: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
527: static const Exception
528: call_real_parser_handler__do_PEH_return_it(
529: const char* filespec_to_process,
530: const char* request_method, bool header_only)
531: {
532: try {
1.122 parser 533: real_parser_handler(
534: filespec_to_process,
535: request_method, header_only);
1.231 paf 536: } catch(const Exception& e) {
537: return e;
1.122 parser 538: }
1.231 paf 539:
540: return Exception();
1.122 parser 541: }
1.231 paf 542: static void call_real_parser_handler__supress_system_exception(
543: const char* filespec_to_process,
544: const char* request_method, bool header_only)
545: {
546: Exception parser_exception;
547: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 548:
1.231 paf 549: __try {
550: parser_exception=call_real_parser_handler__do_PEH_return_it(
551: filespec_to_process,
1.232 paf 552: request_method, header_only);
1.231 paf 553: } __except (
554: (system_exception=GetExceptionInformation()),
555: EXCEPTION_EXECUTE_HANDLER)
556: {
1.131 paf 557:
1.231 paf 558: if(system_exception)
559: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
560: throw Exception("system",
1.218 paf 561: 0,
1.231 paf 562: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 563: else
1.231 paf 564: throw Exception("system",
1.218 paf 565: 0,
1.231 paf 566: "<no exception record>");
1.218 paf 567: else
1.231 paf 568: throw Exception("system",
1.218 paf 569: 0,
1.231 paf 570: "<no exception information>");
571: }
572:
573: if(parser_exception)
574: throw Exception(parser_exception);
575: }
1.218 paf 576: #endif
1.131 paf 577:
1.218 paf 578: static void usage(const char* program) {
1.188 paf 579: printf(
1.223 paf 580: "Parser/%s Copyright(c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com)\n"
1.184 paf 581: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
582: "\n"
583: "Usage: %s [options] file\n"
584: "Options are:\n"
1.185 paf 585: #ifdef WITH_MAILRECEIVE
1.193 paf 586: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 587: #endif
1.193 paf 588: " -f config_file Use this config file (/path/to/auto.p)\n"
589: " -h Display usage information (this message)\n"
1.184 paf 590: , PARSER_VERSION,
591: program);
592: exit(EINVAL);
593: }
594:
1.218 paf 595: int main(int argc, char *argv[]) {
1.233 paf 596: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
597: log("main: entry");
598: #endif
1.224 paf 599: //_asm int 3;
1.218 paf 600: GC_java_finalization=0;
1.217 paf 601:
1.218 paf 602: #ifndef PA_DEBUG_DISABLE_GC
603: // Dont collect unless explicitly requested
604: // this is quicker (~30% ), but less memory-efficient(~8%)
605: // so deciding for speed
606: GC_dont_gc=1;
607: #endif
608: /*
609:
610: Array<int> test;
611: test+=3;
612: test+=4;
613: // int a=test.count();
614: int i=0;
615: scanf("%d", &i);
616: int b=test.get(i);
617: // int b=test.get(10);
618: printf("%d", b);//test.count());*/
1.217 paf 619:
1.203 paf 620: #ifdef SIGUSR1
1.205 paf 621: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 622: SAPI::die("Can not set handler for SIGUSR1");
623: #endif
624: #ifdef SIGPIPE
1.205 paf 625: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 626: SAPI::die("Can not set handler for SIGPIPE");
627: #endif
628:
629:
1.185 paf 630: #ifdef DEBUG_MAILRECEIVE
631: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 632: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
633: }
634: #endif
635:
1.178 paf 636: #ifdef _DEBUG
1.220 paf 637: //_crtBreakAlloc=46;
1.178 paf 638: #endif
1.193 paf 639: argv0=argv[0];
1.45 paf 640:
1.32 paf 641: umask(2);
642:
1.3 paf 643: // were we started as CGI?
1.146 paf 644: cgi=
1.109 parser 645: getenv("SERVER_SOFTWARE") ||
646: getenv("SERVER_NAME") ||
647: getenv("GATEWAY_INTERFACE") ||
648: getenv("REQUEST_METHOD");
1.5 paf 649:
1.184 paf 650: char *raw_filespec_to_process;
1.210 paf 651: if(cgi) {
1.184 paf 652: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 653: if(raw_filespec_to_process && !*raw_filespec_to_process)
654: raw_filespec_to_process=0;
655: } else {
1.184 paf 656: optind = 1;
657: opterr = 0;
658: int c;
1.193 paf 659: while((c = getopt(argc, argv, "hf:"
1.185 paf 660: #ifdef WITH_MAILRECEIVE
1.184 paf 661: "m"
662: #endif
663: )) > 0) {
664: switch (c) {
665: case 'h':
666: usage(argv[0]);
1.193 paf 667: break;
668: case 'f':
669: config_filespec_cstr=optarg;
1.184 paf 670: break;
1.185 paf 671: #ifdef WITH_MAILRECEIVE
1.184 paf 672: case 'm':
673: mail_received=true;
674: break;
675: #endif
676: default:
677: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], optopt);
678: usage(argv[0]);
679: break;
680: }
681: }
682: if (optind != argc - 1) {
683: fprintf(stderr, "%s: file not specified\n", argv[0]);
684: usage(argv[0]);
1.10 paf 685: }
1.184 paf 686:
687: raw_filespec_to_process=argv[optind++];
1.10 paf 688: }
689:
1.100 parser 690: #ifdef WIN32
691: setmode(fileno(stdin), _O_BINARY);
692: setmode(fileno(stdout), _O_BINARY);
693: setmode(fileno(stderr), _O_BINARY);
694: #endif
695:
1.218 paf 696: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 697: // Get current flag
698: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
699:
700: // Turn on leak-checking bit
701: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
702:
703: // Set flag to the new value
704: _CrtSetDbgFlag( tmpFlag );
1.218 paf 705: // _CrtSetBreakAlloc(61);
1.138 paf 706:
1.218 paf 707: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
708: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 709: #endif
710:
1.166 paf 711: char filespec_to_process[MAX_STRING];
712: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 713:
1.218 paf 714: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 715: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 716:
1.122 parser 717: try { // global try
1.231 paf 718: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
719: call_real_parser_handler__supress_system_exception(
720: #else
721: real_parser_handler(
722: #endif
1.122 parser 723: filespec_to_process,
724: request_method, header_only);
725: } catch(const Exception& e) { // global problem
1.44 paf 726: // don't allocate anything on pool here:
727: // possible pool' exception not catch-ed now
728: // and there could be out-of-memory exception
1.218 paf 729: char buf[MAX_STRING];
1.232 paf 730: snprintf(buf, MAX_STRING, "Unhandled exception %s",
731: e.comment());
1.218 paf 732: // log it
733: SAPI::log(SAPI_info, "%s", buf);
734:
735: //
736: int content_length=strlen(buf);
737:
738: // prepare header
739: SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain");
740: char content_length_cstr[MAX_NUMBER];
741: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
742: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
743:
744: // send header
745: SAPI::send_header(SAPI_info);
746:
747: // send body
748: if(!header_only)
749: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 750:
1.218 paf 751: // unsuccessful finish
1.16 paf 752: }
1.109 parser 753:
1.233 paf 754: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
755: log("main: successful return");
756: #endif
1.134 paf 757: return 0;
1.1 paf 758: }
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