Annotation of parser3/src/targets/cgi/parser3.C, revision 1.237
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:
1.237 ! paf 8: static const char * const IDENT_PARSER3_C="$Date: 2005/01/19 15:48:25 $";
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);
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: }
1.236 paf 128: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 129: static void log(const char* fmt, ...) {
130: va_list args;
131: va_start(args,fmt);
132: log(fmt, args);
133: va_end(args);
134: }
1.236 paf 135: #endif
1.124 parser 136:
137: // appends to parser3.log located beside my binary if openable, to stderr otherwize
1.218 paf 138: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.124 parser 139: va_list args;
140: va_start(args,fmt);
141: ::log(fmt, args);
142: va_end(args);
143: }
144:
1.218 paf 145: static void die_or_abort(const char* fmt, va_list args, bool write_core) {
1.138 paf 146: // log
147:
148: // logging is more important than user
1.204 paf 149: // she can cancel download, we'd get SIGPIPE,
1.138 paf 150: // nothing would be logged then
1.124 parser 151: ::log(fmt, args);
152:
1.138 paf 153: // inform user
154:
1.134 paf 155: char body[MAX_STRING];
1.138 paf 156: int content_length=vsnprintf(body, MAX_STRING, fmt, args);
1.134 paf 157:
158: // prepare header
159: // let's be honest, that's bad we couldn't produce valid output
1.218 paf 160: SAPI::add_header_attribute(SAPI_info, "status", "500");
161: SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain");
1.134 paf 162: char content_length_cstr[MAX_NUMBER];
1.168 paf 163: snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length);
1.218 paf 164: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
1.134 paf 165:
166: // send header
1.218 paf 167: SAPI::send_header(SAPI_info);
1.134 paf 168:
169: // body
1.218 paf 170: SAPI::send_body(SAPI_info, body, content_length);
1.134 paf 171:
1.218 paf 172: // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version]
173: if(write_core) {
174: #if defined(WIN32) && !defined(_DEBUG)
175: // IIS with abort failes to show STDOUT, it just barks "abnormal program termination"
176: exit(1);
1.214 paf 177: #else
1.218 paf 178: #if _MSC_VER
179: _asm int 3;
180: #endif
181: abort();
1.214 paf 182: #endif
1.218 paf 183: }
184: else
185: exit(1);
186: }
187:
188: void SAPI::die(const char* fmt, ...) {
189: va_list args;
190: va_start(args, fmt);
191: die_or_abort(fmt, args, false/*write core?*/);
192: va_end(args);
1.61 paf 193: }
194:
1.218 paf 195: void SAPI::abort(const char* fmt, ...) {
196: va_list args;
197: va_start(args, fmt);
198: die_or_abort(fmt, args, true/*write core?*/);
199: va_end(args);
1.28 paf 200: }
201:
1.218 paf 202: char* SAPI::get_env(SAPI_Info& , const char* name) {
203: if(char *local=getenv(name))
204: return pa_strdup(local);
205: else
206: return 0;
207: }
208:
209: const char* const *SAPI::environment(SAPI_Info&) {
1.180 paf 210: #ifdef _MSC_VER
211: extern char **_environ;
212: return _environ;
213: #else
214: extern char **environ;
215: return environ;
216: #endif
217: }
218:
1.218 paf 219: size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) {
1.59 paf 220: size_t read_size=0;
1.12 paf 221: do {
1.200 paf 222: ssize_t chunk_size=read(fileno(stdin),
1.42 paf 223: buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size));
1.129 paf 224: if(chunk_size<=0)
1.12 paf 225: break;
226: read_size+=chunk_size;
227: } while(read_size<max_bytes);
228:
229: return read_size;
1.10 paf 230: }
231:
1.218 paf 232: void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) {
1.68 paf 233: if(cgi)
1.218 paf 234: printf("%s: %s\n", dont_store_key, dont_store_value);
1.19 paf 235: }
236:
1.56 paf 237: /// @todo intelligent cache-control
1.218 paf 238: void SAPI::send_header(SAPI_Info& ) {
1.33 paf 239: if(cgi) {
1.147 paf 240: // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT");
1.33 paf 241:
242: // header | body delimiter
1.20 paf 243: puts("");
1.33 paf 244: }
1.30 paf 245: }
1.20 paf 246:
1.229 paf 247: size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) {
248: return stdout_write(buf, size);
1.58 paf 249: }
250:
1.97 parser 251: //
252:
1.218 paf 253: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 254: if(file_name)
1.167 paf 255: if(file_name[0]=='/'
256: #ifdef WIN32
1.210 paf 257: || file_name[0] && file_name[1]==':'
1.167 paf 258: #endif
1.210 paf 259: )
1.218 paf 260: strncpy(buf, file_name, buf_size);
1.167 paf 261: else {
262: char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING);
263: snprintf(buf, buf_size, "%s/%s", cwd, file_name);
264: }
265: else
266: buf[0]=0;
1.166 paf 267: #ifdef WIN32
268: back_slashes_to_slashes(buf);
269: #endif
1.97 parser 270: }
271:
1.218 paf 272: static void log_signal(const char* signal_name) {
273: if(request_info)
1.219 paf 274: SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u",
1.218 paf 275: signal_name,
276: request?"executing code":"reading data",
277: request_info->uri,
278: request_info->method,
279: request_info->content_length);
280: else
281: SAPI::log(SAPI_info, "%s received before or after processing request",
282: signal_name);
1.205 paf 283: }
284:
1.201 paf 285: #ifdef SIGUSR1
1.205 paf 286: static void SIGUSR1_handler(int /*sig*/){
287: log_signal("SIGUSR1");
1.201 paf 288: }
289: #endif
290:
291: #ifdef SIGPIPE
1.205 paf 292: static void SIGPIPE_handler(int /*sig*/){
293: log_signal("SIGPIPE");
1.218 paf 294: execution_canceled=true;
1.201 paf 295: if(request)
1.218 paf 296: request->set_interrupted(true);
1.201 paf 297: }
298: #endif
299:
1.227 paf 300: #ifdef WIN32
301: const char* maybe_reconstruct_IIS_status_in_qs(const char* original)
302: {
1.228 paf 303: // 404;http://servername/page[?param=value...]
1.227 paf 304: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
305: // and can consider that as an indication that this is IIS way to report errors
306:
1.228 paf 307: if(original
1.230 paf 308: && isdigit((unsigned char)original[0])
309: && isdigit((unsigned char)original[1])
310: && isdigit((unsigned char)original[2])
1.227 paf 311: && original[3]==';')
312: {
313: size_t original_len=strlen(original);
314: char* reconstructed=new(PointerFreeGC) char[original_len
315: +12/*IIS-STATUS=&*/
316: +14/*IIS-DOCUMENT=&*/
317: +1];
318: char* cur=reconstructed;
319: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
320: memcpy(cur, original, 3); cur+=3;
321: *cur++='&';
322:
1.228 paf 323: const char* qmark_at=strchr(original, '?');
1.227 paf 324: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
325: {
326: size_t value_len=(qmark_at? qmark_at-original: original_len)-4;
327: memcpy(cur, original+4, value_len); cur+=value_len;
328: }
329:
330: if(qmark_at) {
331: *cur++='&';
332: strcpy(cur, qmark_at+1/*skip ? itself*/);
333: } else
334: *cur=0;
335:
336: return reconstructed;
337: }
338:
339: return original;
340: }
341: #endif
342:
1.40 paf 343: /**
1.122 parser 344: main workhorse
1.19 paf 345:
1.122 parser 346: @todo
1.40 paf 347: IIS: remove trailing default-document[index.html] from $request.uri.
348: to do that we need to consult metabase,
349: wich is tested but seems slow.
350: */
1.218 paf 351: static void real_parser_handler(const char* filespec_to_process,
1.231 paf 352: const char* request_method, bool header_only)
353: {
1.122 parser 354: // init socks
1.225 paf 355: pa_socks_init();
1.231 paf 356:
1.122 parser 357: // init global variables
1.218 paf 358: pa_globals_init();
1.122 parser 359:
1.186 paf 360: if(!filespec_to_process || !*filespec_to_process)
1.233 paf 361: SAPI::die("Parser/%s"
362: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
363: " with entry/exit tracing"
364: #endif
365: , PARSER_VERSION);
1.122 parser 366:
367: // Request info
1.218 paf 368: Request_info request_info; memset(&request_info, 0, sizeof(request_info));
1.166 paf 369: char document_root_buf[MAX_STRING];
1.122 parser 370: if(cgi) {
1.218 paf 371: if(const char* env_document_root=getenv("DOCUMENT_ROOT"))
1.122 parser 372: request_info.document_root=env_document_root;
1.218 paf 373: else if(const char* path_info=getenv("PATH_INFO")) {
1.122 parser 374: // IIS
1.166 paf 375: size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info));
376: memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0;
377: request_info.document_root=document_root_buf;
1.122 parser 378: } else
1.165 paf 379: throw Exception("parser.runtime",
380: 0,
381: "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)");
1.122 parser 382: } else {
1.166 paf 383: full_file_spec("", document_root_buf, sizeof(document_root_buf));
384: request_info.document_root=document_root_buf;
1.122 parser 385: }
386: request_info.path_translated=filespec_to_process;
387: request_info.method=request_method ? request_method : "GET";
1.227 paf 388: const char* query_string=
389: #ifdef WIN32
390: maybe_reconstruct_IIS_status_in_qs
391: #endif
392: (getenv("QUERY_STRING"));
1.122 parser 393: request_info.query_string=query_string;
394: if(cgi) {
1.214 paf 395: // few absolute obligatory
1.218 paf 396: const char* path_info=getenv("PATH_INFO");
1.214 paf 397: if(!path_info)
398: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.218 paf 399: const char* script_name=getenv("SCRIPT_NAME");
1.214 paf 400: if(!script_name)
401: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
402:
1.218 paf 403: const char* env_request_uri=getenv("REQUEST_URI");
1.214 paf 404: if(env_request_uri)
1.122 parser 405: request_info.uri=env_request_uri;
1.214 paf 406: else
1.122 parser 407: if(query_string) {
1.218 paf 408: char* reconstructed_uri=new(PointerFreeGC) char[
1.122 parser 409: strlen(path_info)+1/*'?'*/+
1.218 paf 410: strlen(query_string)+1/*0*/];
1.122 parser 411: strcpy(reconstructed_uri, path_info);
412: strcat(reconstructed_uri, "?");
413: strcat(reconstructed_uri, query_string);
414: request_info.uri=reconstructed_uri;
415: } else
416: request_info.uri=path_info;
1.214 paf 417:
418: if(env_request_uri) { // apache & others stuck to standards
419: /*
420: http://parser3/env.html?123 =OK
421: $request:uri=/env.html?123
422: REQUEST_URI='/env.html?123'
423: SCRIPT_NAME='/cgi-bin/parser3'
424: PATH_INFO='/env.html'
425:
426: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
427: $request:uri=/cgi-bin/parser3/env.html?123
428: REQUEST_URI='/cgi-bin/parser3/env.html?123'
429: SCRIPT_NAME='/cgi-bin/parser3'
430: PATH_INFO='/env.html'
431: */
432: size_t script_name_len=strlen(script_name);
433: size_t uri_len=strlen(env_request_uri);
434: if(strncmp(env_request_uri, script_name, script_name_len)==0 &&
435: script_name_len != uri_len) // under IIS they are the same
436: SAPI::die("CGI: illegal call (1)");
437: } else { // seen on IIS5
438: /*
439: http://nestle/env.html?123 =OK
440: $request:uri=/env.html?123
441: REQUEST_URI=''
442: SCRIPT_NAME='/env.html'
443: PATH_INFO='/env.html'
444:
445: http://nestle/cgi-bin/parser3.exe/env.html =ERROR
446: $request:uri=/env.html
447: REQUEST_URI=''
448: SCRIPT_NAME='/cgi-bin/parser3.exe'
449: PATH_INFO='/env.html'
450: */
451: if(strcmp(script_name, path_info)!=0)
452: SAPI::die("CGI: illegal call (2)");
453: }
1.122 parser 454: } else
1.177 paf 455: request_info.uri="";
1.122 parser 456:
1.218 paf 457: request_info.content_type=getenv("CONTENT_TYPE");
458: const char* content_length=getenv("CONTENT_LENGTH");
1.122 parser 459: request_info.content_length=(content_length?atoi(content_length):0);
1.218 paf 460: request_info.cookie=getenv("HTTP_COOKIE");
1.184 paf 461: request_info.mail_received=mail_received;
462:
1.218 paf 463: // get request_info ptr for signal handlers
464: ::request_info=&request_info;
465: if(execution_canceled)
466: SAPI::die("Execution canceled");
1.198 paf 467:
1.233 paf 468: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
469: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
470: request_info.method,
471: request_info.uri,
472: request_info.query_string,
473: request_info.document_root,
474: request_info.path_translated,
475: request_info.cookie,
476: request_info.content_length);
477: #endif
478:
1.122 parser 479: // prepare to process request
1.221 paf 480: Request request(SAPI_info, request_info,
1.218 paf 481: cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS,
1.130 paf 482: true /* status_allowed */);
1.201 paf 483:
484: // get request ptr for signal handlers
485: ::request=&request;
486:
1.181 paf 487: char config_filespec_buf[MAX_STRING];
1.193 paf 488: if(!config_filespec_cstr) {
1.218 paf 489: const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME);
1.193 paf 490: if(!config_by_env)
491: config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
492: if(config_by_env)
493: config_filespec_cstr=config_by_env;
494: else {
495: // beside by binary
496: char beside_binary_path[MAX_STRING];
497: strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
498: if(!(
499: rsplit(beside_binary_path, '/') ||
500: rsplit(beside_binary_path, '\\'))) { // strip filename
501: // no path, just filename
502: // @todo full path, not ./!
503: beside_binary_path[0]='.'; beside_binary_path[1]=0;
504: }
505: snprintf(config_filespec_buf, MAX_STRING,
506: "%s/%s",
507: beside_binary_path, AUTO_FILE_NAME);
508: config_filespec_cstr=config_filespec_buf;
1.197 paf 509: fail_on_config_read_problem=entry_exists(config_filespec_cstr);
1.193 paf 510: }
1.122 parser 511: }
512:
513: // process the request
514: request.core(
1.193 paf 515: config_filespec_cstr, fail_on_config_read_problem,
1.122 parser 516: header_only);
1.201 paf 517:
518: // no request [prevent signal handlers from accessing invalid memory]
519: ::request=0;
1.231 paf 520:
1.225 paf 521: // finalize global variables
522: pa_globals_done();
523:
1.122 parser 524: //
1.225 paf 525: pa_socks_done();
1.218 paf 526: }
527:
1.231 paf 528: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
529: static const Exception
530: call_real_parser_handler__do_PEH_return_it(
531: const char* filespec_to_process,
532: const char* request_method, bool header_only)
533: {
534: try {
1.122 parser 535: real_parser_handler(
536: filespec_to_process,
537: request_method, header_only);
1.231 paf 538: } catch(const Exception& e) {
539: return e;
1.122 parser 540: }
1.231 paf 541:
542: return Exception();
1.122 parser 543: }
1.231 paf 544: static void call_real_parser_handler__supress_system_exception(
545: const char* filespec_to_process,
546: const char* request_method, bool header_only)
547: {
548: Exception parser_exception;
549: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 550:
1.231 paf 551: __try {
552: parser_exception=call_real_parser_handler__do_PEH_return_it(
553: filespec_to_process,
1.232 paf 554: request_method, header_only);
1.231 paf 555: } __except (
556: (system_exception=GetExceptionInformation()),
557: EXCEPTION_EXECUTE_HANDLER)
558: {
1.131 paf 559:
1.231 paf 560: if(system_exception)
561: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
562: throw Exception("system",
1.218 paf 563: 0,
1.231 paf 564: "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 565: else
1.231 paf 566: throw Exception("system",
1.218 paf 567: 0,
1.231 paf 568: "<no exception record>");
1.218 paf 569: else
1.231 paf 570: throw Exception("system",
1.218 paf 571: 0,
1.231 paf 572: "<no exception information>");
573: }
574:
575: if(parser_exception)
576: throw Exception(parser_exception);
577: }
1.218 paf 578: #endif
1.131 paf 579:
1.218 paf 580: static void usage(const char* program) {
1.188 paf 581: printf(
1.235 paf 582: "Parser/%s\n"
1.237 ! paf 583: "Copyright(c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)\n"
1.184 paf 584: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
585: "\n"
586: "Usage: %s [options] file\n"
587: "Options are:\n"
1.185 paf 588: #ifdef WITH_MAILRECEIVE
1.193 paf 589: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 590: #endif
1.193 paf 591: " -f config_file Use this config file (/path/to/auto.p)\n"
592: " -h Display usage information (this message)\n"
1.184 paf 593: , PARSER_VERSION,
594: program);
595: exit(EINVAL);
596: }
597:
1.218 paf 598: int main(int argc, char *argv[]) {
1.233 paf 599: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
600: log("main: entry");
601: #endif
1.224 paf 602: //_asm int 3;
1.218 paf 603: GC_java_finalization=0;
1.217 paf 604:
1.218 paf 605: #ifndef PA_DEBUG_DISABLE_GC
606: // Dont collect unless explicitly requested
607: // this is quicker (~30% ), but less memory-efficient(~8%)
608: // so deciding for speed
609: GC_dont_gc=1;
610: #endif
611: /*
612:
613: Array<int> test;
614: test+=3;
615: test+=4;
616: // int a=test.count();
617: int i=0;
618: scanf("%d", &i);
619: int b=test.get(i);
620: // int b=test.get(10);
621: printf("%d", b);//test.count());*/
1.217 paf 622:
1.203 paf 623: #ifdef SIGUSR1
1.205 paf 624: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 625: SAPI::die("Can not set handler for SIGUSR1");
626: #endif
627: #ifdef SIGPIPE
1.205 paf 628: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 629: SAPI::die("Can not set handler for SIGPIPE");
630: #endif
631:
632:
1.185 paf 633: #ifdef DEBUG_MAILRECEIVE
634: if(FILE *fake_in=fopen(DEBUG_MAILRECEIVE, "rt")) {
1.184 paf 635: dup2(fake_in->_file, 0/*STDIN_FILENO*/);
636: }
637: #endif
638:
1.178 paf 639: #ifdef _DEBUG
1.220 paf 640: //_crtBreakAlloc=46;
1.178 paf 641: #endif
1.193 paf 642: argv0=argv[0];
1.45 paf 643:
1.32 paf 644: umask(2);
645:
1.3 paf 646: // were we started as CGI?
1.146 paf 647: cgi=
1.109 parser 648: getenv("SERVER_SOFTWARE") ||
649: getenv("SERVER_NAME") ||
650: getenv("GATEWAY_INTERFACE") ||
651: getenv("REQUEST_METHOD");
1.5 paf 652:
1.184 paf 653: char *raw_filespec_to_process;
1.210 paf 654: if(cgi) {
1.184 paf 655: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 656: if(raw_filespec_to_process && !*raw_filespec_to_process)
657: raw_filespec_to_process=0;
658: } else {
1.184 paf 659: optind = 1;
660: opterr = 0;
661: int c;
1.193 paf 662: while((c = getopt(argc, argv, "hf:"
1.185 paf 663: #ifdef WITH_MAILRECEIVE
1.184 paf 664: "m"
665: #endif
666: )) > 0) {
667: switch (c) {
668: case 'h':
669: usage(argv[0]);
1.193 paf 670: break;
671: case 'f':
672: config_filespec_cstr=optarg;
1.184 paf 673: break;
1.185 paf 674: #ifdef WITH_MAILRECEIVE
1.184 paf 675: case 'm':
676: mail_received=true;
677: break;
678: #endif
679: default:
680: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], optopt);
681: usage(argv[0]);
682: break;
683: }
684: }
685: if (optind != argc - 1) {
686: fprintf(stderr, "%s: file not specified\n", argv[0]);
687: usage(argv[0]);
1.10 paf 688: }
1.184 paf 689:
690: raw_filespec_to_process=argv[optind++];
1.10 paf 691: }
692:
1.100 parser 693: #ifdef WIN32
694: setmode(fileno(stdin), _O_BINARY);
695: setmode(fileno(stdout), _O_BINARY);
696: setmode(fileno(stderr), _O_BINARY);
697: #endif
698:
1.218 paf 699: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 700: // Get current flag
701: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
702:
703: // Turn on leak-checking bit
704: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
705:
706: // Set flag to the new value
707: _CrtSetDbgFlag( tmpFlag );
1.218 paf 708: // _CrtSetBreakAlloc(61);
1.138 paf 709:
1.218 paf 710: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
711: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 712: #endif
713:
1.166 paf 714: char filespec_to_process[MAX_STRING];
715: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 716:
1.218 paf 717: const char* request_method=getenv("REQUEST_METHOD");
1.35 paf 718: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
1.131 paf 719:
1.122 parser 720: try { // global try
1.231 paf 721: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
722: call_real_parser_handler__supress_system_exception(
723: #else
724: real_parser_handler(
725: #endif
1.122 parser 726: filespec_to_process,
727: request_method, header_only);
728: } catch(const Exception& e) { // global problem
1.44 paf 729: // don't allocate anything on pool here:
730: // possible pool' exception not catch-ed now
731: // and there could be out-of-memory exception
1.218 paf 732: char buf[MAX_STRING];
1.232 paf 733: snprintf(buf, MAX_STRING, "Unhandled exception %s",
734: e.comment());
1.218 paf 735: // log it
736: SAPI::log(SAPI_info, "%s", buf);
737:
738: //
739: int content_length=strlen(buf);
740:
741: // prepare header
742: SAPI::add_header_attribute(SAPI_info, "content-type", "text/plain");
743: char content_length_cstr[MAX_NUMBER];
744: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
745: SAPI::add_header_attribute(SAPI_info, "content-length", content_length_cstr);
746:
747: // send header
748: SAPI::send_header(SAPI_info);
749:
750: // send body
751: if(!header_only)
752: SAPI::send_body(SAPI_info, buf, content_length);
1.43 paf 753:
1.218 paf 754: // unsuccessful finish
1.16 paf 755: }
1.109 parser 756:
1.233 paf 757: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
758: log("main: successful return");
759: #endif
1.134 paf 760: return 0;
1.1 paf 761: }
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