Annotation of parser3/src/targets/cgi/parser3.C, revision 1.303
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.277 moko 4: Copyright (c) 2001-2017 Art. Lebedev Studio (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:
1.303 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.302 2020/10/14 00:14:45 moko Exp $";
1.1 paf 9:
1.40 paf 10: #include "pa_config_includes.h"
1.3 paf 11:
1.37 paf 12: #include "pa_sapi.h"
1.76 paf 13: #include "classes.h"
1.24 paf 14: #include "pa_common.h"
1.2 paf 15: #include "pa_request.h"
1.68 paf 16: #include "pa_version.h"
1.266 moko 17: #include "pa_vconsole.h"
1.294 moko 18: #include "pa_sapi_info.h"
1.207 paf 19:
1.263 moko 20: #ifdef _MSC_VER
1.264 moko 21: #include <crtdbg.h>
1.263 moko 22: #include <windows.h>
23: #include <direct.h>
1.120 parser 24: #endif
25:
1.232 paf 26: // defines
1.231 paf 27:
1.233 paf 28: // comment remove me after debugging
1.288 moko 29: //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log"
1.233 paf 30:
1.278 moko 31: #if defined(_MSC_VER) && !defined(_DEBUG)
1.231 paf 32: # define PA_SUPPRESS_SYSTEM_EXCEPTION
33: #endif
34:
1.109 parser 35: // consts
1.84 parser 36:
1.175 paf 37: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 38: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 39: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 40:
1.293 moko 41: static const char* config_filespec_cstr=0; // -f option
1.296 moko 42: static const char* httpd_host_port=0; // -p option
1.293 moko 43: static bool mail_received=false; // -m option? [asked to parse incoming message to $mail:received]
1.192 paf 44:
1.245 misha 45: static int args_skip=1;
46: static char** argv_all = NULL;
47:
1.184 paf 48: static bool cgi; ///< we were started as CGI?
1.5 paf 49:
1.201 paf 50: // for signal handlers
51: Request *request=0;
1.218 paf 52: bool execution_canceled=false;
1.297 moko 53: // for die error logging
54: Request_info request_info;
1.201 paf 55:
1.46 paf 56: // SAPI
1.86 parser 57:
1.218 paf 58: static void log(const char* fmt, va_list args) {
1.193 paf 59: bool opened=false;
1.61 paf 60: FILE *f=0;
61:
1.226 paf 62: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
63: if(!log_by_env)
64: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
65: if(log_by_env) {
66: f=fopen(log_by_env, "at");
67: opened=f!=0;
68: }
1.272 moko 69: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 70: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
71: opened=f!=0;
72: #endif
1.226 paf 73:
74: if(!opened && config_filespec_cstr) {
1.193 paf 75: char beside_config_path[MAX_STRING];
76: strncpy(beside_config_path, config_filespec_cstr, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
1.272 moko 77: if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename
1.193 paf 78: // no path, just filename
79: beside_config_path[0]='.'; beside_config_path[1]=0;
80: }
81:
82: char file_spec[MAX_STRING];
1.272 moko 83: snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path);
1.193 paf 84: f=fopen(file_spec, "at");
85: opened=f!=0;
86: }
1.192 paf 87: // fallback to stderr
1.61 paf 88: if(!opened)
89: f=stderr;
1.208 paf 90:
91: // use no memory [so that we could log out-of-memory error]
92: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 93:
94: // prefix
95: time_t t=time(0);
1.218 paf 96: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 97: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.272 moko 98: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)getpid() );
1.171 paf 99: }
1.61 paf 100: // message
1.117 parser 101:
1.246 misha 102: char buf[MAX_LOG_STRING];
103: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
104: size=remove_crlf(buf, buf+size);
1.239 paf 105: fwrite(buf, size, 1, f);
106:
1.297 moko 107: if(request_info.method) {
1.302 moko 108: fprintf(f, " [uri=%s, method=%s, cl=%lu]\n", request_info.uri ? request_info.uri : "<unknown>", request_info.method, (unsigned long)request_info.content_length);
1.297 moko 109: } else
110: fputs(" [no request info]\n", f);
1.61 paf 111:
112: if(opened)
113: fclose(f);
1.85 parser 114: else
115: fflush(f);
1.124 parser 116: }
1.272 moko 117:
1.236 paf 118: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 119: static void log(const char* fmt, ...) {
1.272 moko 120: va_list args;
1.233 paf 121: va_start(args,fmt);
122: log(fmt, args);
123: va_end(args);
124: }
1.236 paf 125: #endif
1.124 parser 126:
127: // appends to parser3.log located beside my binary if openable, to stderr otherwize
1.218 paf 128: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 129: va_list args;
1.124 parser 130: va_start(args,fmt);
131: ::log(fmt, args);
132: va_end(args);
133: }
134:
1.290 moko 135: void SAPI::die(const char* fmt, ...) {
136: va_list args;
137:
138: // logging first, first vsnprintf
139: va_start(args,fmt);
140: ::log(fmt, args);
141: va_end(args);
1.138 paf 142:
1.290 moko 143: // inform user, second vsnprintf
144: va_start(args, fmt);
1.299 moko 145: char message[MAX_STRING];
1.300 moko 146: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 147:
1.299 moko 148: SAPI::send_error(*sapiInfo, message);
1.290 moko 149: exit(1);
1.258 moko 150: // va_end(args);
1.28 paf 151: }
152:
1.294 moko 153: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
154: return info.get_env(name);
1.218 paf 155: }
156:
1.294 moko 157: const char* const *SAPI::Env::get(SAPI_Info& info) {
158: return info.get_env();
1.180 paf 159: }
160:
1.294 moko 161: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
162: return info.read_post(buf, max_bytes);
1.10 paf 163: }
164:
1.294 moko 165: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
166: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 167: }
168:
1.294 moko 169: void SAPI::send_header(SAPI_Info& info) {
170: info.send_header();
1.30 paf 171: }
1.20 paf 172:
1.294 moko 173: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
174: return info.send_body(buf, size);
1.58 paf 175: }
176:
1.218 paf 177: static void full_file_spec(const char* file_name, char *buf, size_t buf_size) {
1.210 paf 178: if(file_name)
1.167 paf 179: if(file_name[0]=='/'
180: #ifdef WIN32
1.210 paf 181: || file_name[0] && file_name[1]==':'
1.167 paf 182: #endif
1.279 moko 183: ){
184: strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0;
185: } else {
1.261 moko 186: char cwd[MAX_STRING];
187: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
1.167 paf 188: }
189: else
190: buf[0]=0;
1.166 paf 191: #ifdef WIN32
192: back_slashes_to_slashes(buf);
193: #endif
1.97 parser 194: }
195:
1.218 paf 196: static void log_signal(const char* signal_name) {
1.294 moko 197: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 198: }
199:
1.201 paf 200: #ifdef SIGUSR1
1.205 paf 201: static void SIGUSR1_handler(int /*sig*/){
202: log_signal("SIGUSR1");
1.201 paf 203: }
204: #endif
205:
206: #ifdef SIGPIPE
1.243 misha 207: #define SIGPIPE_NAME "SIGPIPE"
208: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 209: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 210: Value* sigpipe=0;
211: if(request)
1.251 misha 212: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 213: if(sigpipe && sigpipe->as_bool())
1.244 misha 214: log_signal(SIGPIPE_NAME);
1.243 misha 215:
1.218 paf 216: execution_canceled=true;
1.201 paf 217: if(request)
1.276 moko 218: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 219: }
220: #endif
221:
1.227 paf 222: #ifdef WIN32
1.292 moko 223: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 224: // 404;http://servername/page[?param=value...]
1.227 paf 225: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
226: // and can consider that as an indication that this is IIS way to report errors
227:
1.272 moko 228: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 229: size_t original_len=strlen(original);
1.272 moko 230: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 231: char* cur=reconstructed;
232: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
233: memcpy(cur, original, 3); cur+=3;
234: *cur++='&';
235:
1.228 paf 236: const char* qmark_at=strchr(original, '?');
1.227 paf 237: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
238: {
1.272 moko 239: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 240: memcpy(cur, original+4, value_len); cur+=value_len;
241: }
242:
243: if(qmark_at) {
244: *cur++='&';
245: strcpy(cur, qmark_at+1/*skip ? itself*/);
246: } else
247: *cur=0;
248:
249: return reconstructed;
250: }
251:
252: return original;
253: }
1.283 moko 254:
255: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
256: #else
257: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 258: #endif
259:
1.256 misha 260:
261: class RequestController {
262: public:
263: RequestController(Request* r){
264: ::request=r;
265: }
266: ~RequestController(){
267: ::request=0;
268: }
269: };
270:
1.288 moko 271: static bool locate_config(){
272: if(!config_filespec_cstr) {
273: config_filespec_cstr=getenv(PARSER_CONFIG_ENV_NAME);
274: if(!config_filespec_cstr)
275: config_filespec_cstr=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
276: if(!config_filespec_cstr){
277: // beside by binary
278: char beside_binary_path[MAX_STRING];
279: strncpy(beside_binary_path, argv_all[0], MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary
280: if(!(rsplit(beside_binary_path, '/') || rsplit(beside_binary_path, '\\'))) { // strip filename
281: // no path, just filename
282: // @todo full path, not ./!
283: beside_binary_path[0]='.'; beside_binary_path[1]=0;
284: }
285: char config_filespec_buf[MAX_STRING];
286: snprintf(config_filespec_buf, MAX_STRING, "%s/%s", beside_binary_path, AUTO_FILE_NAME);
287: config_filespec_cstr=pa_strdup(config_filespec_buf);
288: return entry_exists(config_filespec_cstr);
289: }
290: }
291: return true;
292: }
1.256 misha 293:
1.294 moko 294: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection, const char* filespec_to_process){
295: connection.read_header();
1.295 moko 296: info.populate_env();
1.294 moko 297:
1.299 moko 298: // connection request info, still global for correct log() reporting
299: memset(&request_info, 0, sizeof(request_info));
1.294 moko 300:
301: char document_root_buf[MAX_STRING];
302: full_file_spec("", document_root_buf, sizeof(document_root_buf));
303: request_info.document_root = document_root_buf;
304: request_info.path_translated = filespec_to_process;
305: request_info.method = connection.method();
1.295 moko 306: request_info.query_string = connection.query();
307: request_info.uri = request_info.strip_absolute_uri(connection.uri());
308: request_info.content_type = connection.content_type();
309: request_info.content_length = connection.content_length();
310: request_info.cookie = info.get_env("HTTP_COOKIE");
311: request_info.mail_received = false;
1.294 moko 312: request_info.argv = argv_all + args_skip;
313:
314: // prepare to process request
315: Request request(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
316: {
1.297 moko 317: // initing ::request ptr for signal handlers
1.294 moko 318: RequestController rc(&request);
319: bool fail_on_config_read_problem=locate_config();
320: // process the request
321: request.core(config_filespec_cstr, fail_on_config_read_problem, strcasecmp(request_info.method, "HEAD")==0);
1.297 moko 322: // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory
1.294 moko 323: }
324: }
325:
326: static void httpd_mode(const char* filespec_to_process){
1.296 moko 327: int sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 328:
1.297 moko 329: while(1){
1.303 ! moko 330: try {
! 331: HTTPD_Connection connection;
! 332: if(!connection.accept(sock, 5))
! 333: continue;
! 334:
! 335: SAPI_Info_HTTPD info(connection);
! 336:
! 337: try { // connection try
! 338: connection_handler(info, connection, filespec_to_process);
! 339: } catch(const Exception& e) { // exception in connection handling or unhandled exception
! 340: SAPI::log(info, "%s", e.comment());
! 341: SAPI::send_error(info, e.comment(), info.exception_http_status(e.type()));
! 342: }
! 343: // closing connection socket in HTTPD_Connection destructor
! 344: } catch(const Exception& e) { // exception in accept or send_error
! 345: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 346: }
347: }
348: }
1.231 paf 349:
1.294 moko 350: /** main workhorse */
351:
352: static void real_parser_handler(const char* filespec_to_process) {
1.280 moko 353: // init libraries
1.218 paf 354: pa_globals_init();
1.294 moko 355:
1.296 moko 356: if(httpd_host_port){
1.294 moko 357: httpd_mode(filespec_to_process);
358: }
359:
360: const char* request_method=getenv("REQUEST_METHOD");
361:
1.186 paf 362: if(!filespec_to_process || !*filespec_to_process)
1.282 moko 363: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 364:
1.166 paf 365: char document_root_buf[MAX_STRING];
1.283 moko 366:
1.297 moko 367: // global request info
1.283 moko 368: request_info.path_translated = filespec_to_process;
369: request_info.method = request_method ? request_method : "GET";
370: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
371:
1.122 parser 372: if(cgi) {
1.284 moko 373: // obligatory
1.218 paf 374: const char* path_info=getenv("PATH_INFO");
1.214 paf 375: if(!path_info)
376: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 377:
378: request_info.document_root = getenv("DOCUMENT_ROOT");
379: if(!request_info.document_root) {
1.285 moko 380: // IIS or fcgiwrap minimalistic setup
381: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
382: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
383: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
384:
385: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
386: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
387: request_info.document_root = document_root;
1.283 moko 388: }
1.214 paf 389:
1.285 moko 390: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 391: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 392: // another obligatory
1.285 moko 393: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 394: if(!script_name)
395: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 396: /*
397: http://parser3/env.html?123 =OK
398: $request:uri=/env.html?123
399: REQUEST_URI='/env.html?123'
400: SCRIPT_NAME='/cgi-bin/parser3'
401: PATH_INFO='/env.html'
1.285 moko 402:
1.214 paf 403: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
404: $request:uri=/cgi-bin/parser3/env.html?123
405: REQUEST_URI='/cgi-bin/parser3/env.html?123'
406: SCRIPT_NAME='/cgi-bin/parser3'
407: PATH_INFO='/env.html'
408: */
1.285 moko 409: size_t script_name_len = strlen(script_name);
410: size_t uri_len = strlen(request_info.uri);
1.283 moko 411: if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same
1.214 paf 412: SAPI::die("CGI: illegal call (1)");
1.284 moko 413: } else { // fcgiwrap minimalistic setup
1.283 moko 414:
1.286 moko 415: if(request_info.query_string && *request_info.query_string) {
1.285 moko 416: char* reconstructed_uri = new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(request_info.query_string) + 1/*0*/];
1.283 moko 417: strcpy(reconstructed_uri, path_info);
418: strcat(reconstructed_uri, "?");
419: strcat(reconstructed_uri, request_info.query_string);
1.285 moko 420: request_info.uri = reconstructed_uri;
1.283 moko 421: } else
1.285 moko 422: request_info.uri = path_info;
1.214 paf 423: }
1.283 moko 424: } else{
425: full_file_spec("", document_root_buf, sizeof(document_root_buf));
1.285 moko 426: request_info.document_root = document_root_buf;
427: request_info.uri = "";
1.283 moko 428: }
1.122 parser 429:
1.283 moko 430: request_info.content_type = getenv("CONTENT_TYPE");
1.294 moko 431: request_info.content_length = pa_atoui(getenv("CONTENT_LENGTH"), 10);
1.283 moko 432: request_info.cookie = getenv("HTTP_COOKIE");
433: request_info.mail_received = mail_received;
1.184 paf 434:
1.294 moko 435: request_info.argv = argv_all + args_skip;
1.245 misha 436:
1.218 paf 437: if(execution_canceled)
438: SAPI::die("Execution canceled");
1.198 paf 439:
1.233 paf 440: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.297 moko 441: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u",
1.233 paf 442: request_info.method,
443: request_info.uri,
444: request_info.query_string,
445: request_info.document_root,
446: request_info.path_translated,
447: request_info.cookie,
448: request_info.content_length);
449: #endif
450:
1.122 parser 451: // prepare to process request
1.294 moko 452: Request request(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 453: {
1.297 moko 454: // initing ::request ptr for signal handlers
1.256 misha 455: RequestController rc(&request);
1.288 moko 456: bool fail_on_config_read_problem=locate_config();
1.256 misha 457: // process the request
1.294 moko 458: request.core(config_filespec_cstr, fail_on_config_read_problem, strcasecmp(request_info.method, "HEAD")==0);
1.303 ! moko 459: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 460: }
1.231 paf 461:
1.280 moko 462: // finalize libraries
1.225 paf 463: pa_globals_done();
1.218 paf 464: }
465:
1.231 paf 466: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.294 moko 467: static const Exception call_real_parser_handler__do_PEH_return_it(const char* filespec_to_process) {
1.231 paf 468: try {
1.294 moko 469: real_parser_handler(filespec_to_process);
1.231 paf 470: } catch(const Exception& e) {
471: return e;
1.122 parser 472: }
1.231 paf 473:
474: return Exception();
1.122 parser 475: }
1.272 moko 476:
1.294 moko 477: static void call_real_parser_handler__supress_system_exception(const char* filespec_to_process) {
1.231 paf 478: Exception parser_exception;
479: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 480:
1.231 paf 481: __try {
1.294 moko 482: parser_exception=call_real_parser_handler__do_PEH_return_it(filespec_to_process);
1.288 moko 483: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 484: if(system_exception)
485: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 486: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 487: else
1.272 moko 488: throw Exception("system", 0, "<no exception record>");
1.218 paf 489: else
1.272 moko 490: throw Exception("system", 0, "<no exception information>");
1.231 paf 491: }
492:
493: if(parser_exception)
494: throw Exception(parser_exception);
495: }
1.273 moko 496:
497: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
498: #else
499: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 500: #endif
1.131 paf 501:
1.218 paf 502: static void usage(const char* program) {
1.188 paf 503: printf(
1.235 paf 504: "Parser/%s\n"
1.277 moko 505: "Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 506: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
507: "\n"
508: "Usage: %s [options] file\n"
509: "Options are:\n"
1.185 paf 510: #ifdef WITH_MAILRECEIVE
1.193 paf 511: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 512: #endif
1.193 paf 513: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 514: " -p [host:]port Start web server on this port\n"
1.272 moko 515: " -h Display usage information (this message)\n",
516: PARSER_VERSION,
1.184 paf 517: program);
518: exit(EINVAL);
519: }
520:
1.294 moko 521:
1.249 misha 522: int main(int argc, char *argv[]) {
1.233 paf 523: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
524: log("main: entry");
525: #endif
1.217 paf 526:
1.294 moko 527: argv_all=argv;
528: umask(2);
529:
530: // were we started as CGI?
531: cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
532: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
533:
1.203 paf 534: #ifdef SIGUSR1
1.205 paf 535: if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR)
1.203 paf 536: SAPI::die("Can not set handler for SIGUSR1");
537: #endif
538: #ifdef SIGPIPE
1.205 paf 539: if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR)
1.203 paf 540: SAPI::die("Can not set handler for SIGPIPE");
541: #endif
542:
1.301 moko 543: char *raw_filespec_to_process = NULL;
1.210 paf 544: if(cgi) {
1.184 paf 545: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.210 paf 546: if(raw_filespec_to_process && !*raw_filespec_to_process)
547: raw_filespec_to_process=0;
548: } else {
1.250 misha 549: int optind=1;
1.245 misha 550: while(optind < argc){
551: char *carg = argv[optind];
552: if(carg[0] != '-')
1.184 paf 553: break;
1.245 misha 554:
555: for(size_t k = 1; k < strlen(carg); k++){
556: char c = carg[k];
557: switch (c) {
558: case 'h':
559: usage(argv[0]);
560: break;
561: case 'f':
562: if(optind < argc - 1){
563: optind++;
564: config_filespec_cstr=argv[optind];
565: }
566: break;
1.294 moko 567: case 'p':
568: if(optind < argc - 1){
569: optind++;
1.296 moko 570: httpd_host_port=argv[optind];
1.294 moko 571: }
572: break;
1.185 paf 573: #ifdef WITH_MAILRECEIVE
1.245 misha 574: case 'm':
575: mail_received=true;
576: break;
577: #endif
578: default:
579: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
580: usage(argv[0]);
581: break;
582: }
1.184 paf 583: }
1.245 misha 584: optind++;
1.184 paf 585: }
1.245 misha 586:
587: if (optind > argc - 1) {
1.296 moko 588: if(!httpd_host_port) {
1.294 moko 589: fprintf(stderr, "%s: file not specified\n", argv[0]);
590: usage(argv[0]);
591: }
592: } else {
593: raw_filespec_to_process=argv[optind];
1.10 paf 594: }
1.245 misha 595: args_skip=optind;
1.294 moko 596:
1.296 moko 597: if (httpd_host_port && mail_received) {
1.294 moko 598: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
599: usage(argv[0]);
600: }
1.10 paf 601: }
602:
1.264 moko 603: #ifdef _MSC_VER
1.100 parser 604: setmode(fileno(stdin), _O_BINARY);
605: setmode(fileno(stdout), _O_BINARY);
606: setmode(fileno(stderr), _O_BINARY);
607: #endif
608:
1.218 paf 609: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 610: // Get current flag
611: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
612:
613: // Turn on leak-checking bit
614: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
615:
616: // Set flag to the new value
617: _CrtSetDbgFlag( tmpFlag );
1.138 paf 618:
1.218 paf 619: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
620: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 621: #endif
622:
1.166 paf 623: char filespec_to_process[MAX_STRING];
624: full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process));
1.10 paf 625:
1.122 parser 626: try { // global try
1.294 moko 627: REAL_PARSER_HANDLER(filespec_to_process);
1.292 moko 628: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 629: SAPI::die("%s", e.comment());
1.16 paf 630: }
1.109 parser 631:
1.233 paf 632: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
633: log("main: successful return");
634: #endif
1.299 moko 635: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 636: }
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