Annotation of parser3/src/targets/cgi/parser3.C, revision 1.335
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.329 moko 4: Copyright (c) 2001-2020 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:
1.335 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.334 2020/12/16 11:15:49 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"
1.333 moko 17: #include "pa_threads.h"
1.266 moko 18: #include "pa_vconsole.h"
1.294 moko 19: #include "pa_sapi_info.h"
1.207 paf 20:
1.263 moko 21: #ifdef _MSC_VER
1.264 moko 22: #include <crtdbg.h>
1.263 moko 23: #include <windows.h>
24: #include <direct.h>
1.328 moko 25:
26: extern "C" HANDLE WINAPI GC_CreateThread(LPSECURITY_ATTRIBUTES, DWORD, LPTHREAD_START_ROUTINE, LPVOID, DWORD, LPDWORD);
27:
28: #else
29:
30: extern "C" int GC_pthread_create(pthread_t *, const pthread_attr_t *, void *(*)(void *), void * /* arg */);
31:
1.120 parser 32: #endif
33:
1.232 paf 34: // defines
1.231 paf 35:
1.233 paf 36: // comment remove me after debugging
1.288 moko 37: //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log"
1.233 paf 38:
1.278 moko 39: #if defined(_MSC_VER) && !defined(_DEBUG)
1.231 paf 40: # define PA_SUPPRESS_SYSTEM_EXCEPTION
41: #endif
42:
1.109 parser 43: // consts
1.84 parser 44:
1.175 paf 45: #define REDIRECT_PREFIX "REDIRECT_"
1.181 paf 46: #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG"
1.226 paf 47: #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG"
1.159 paf 48:
1.316 moko 49: static const char* filespec_to_process = 0; // [file]
50: static const char* httpd_host_port = 0; // -p option
1.319 moko 51: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.316 moko 52: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.322 moko 53: static char* parser3_filespec = 0; // argv[0]
1.319 moko 54: static char** argv_extra = NULL;
1.245 misha 55:
1.317 moko 56: // for error logging
1.325 moko 57: static THREAD_LOCAL Request_info request_info; // global for correct log() reporting
1.322 moko 58: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 59:
1.46 paf 60: // SAPI
1.86 parser 61:
1.335 ! moko 62: static void pa_log(const char* fmt, va_list args) {
1.193 paf 63: bool opened=false;
1.61 paf 64: FILE *f=0;
65:
1.226 paf 66: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
67: if(!log_by_env)
68: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
69: if(log_by_env) {
70: f=fopen(log_by_env, "at");
71: opened=f!=0;
72: }
1.272 moko 73: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 74: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
75: opened=f!=0;
76: #endif
1.226 paf 77:
1.316 moko 78: if(!opened && filespec_4log) {
1.193 paf 79: char beside_config_path[MAX_STRING];
1.316 moko 80: strncpy(beside_config_path, filespec_4log, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
1.272 moko 81: if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename
1.193 paf 82: // no path, just filename
1.316 moko 83: strcpy(beside_config_path, ".");
1.193 paf 84: }
85:
86: char file_spec[MAX_STRING];
1.272 moko 87: snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path);
1.193 paf 88: f=fopen(file_spec, "at");
89: opened=f!=0;
90: }
1.192 paf 91: // fallback to stderr
1.61 paf 92: if(!opened)
93: f=stderr;
1.208 paf 94:
95: // use no memory [so that we could log out-of-memory error]
96: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 97:
98: // prefix
99: time_t t=time(0);
1.218 paf 100: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 101: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.333 moko 102: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)pa_get_thread_id() );
1.171 paf 103: }
1.61 paf 104: // message
1.117 parser 105:
1.246 misha 106: char buf[MAX_LOG_STRING];
107: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
108: size=remove_crlf(buf, buf+size);
1.239 paf 109: fwrite(buf, size, 1, f);
110:
1.297 moko 111: if(request_info.method) {
1.302 moko 112: 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 113: } else
114: fputs(" [no request info]\n", f);
1.61 paf 115:
116: if(opened)
117: fclose(f);
1.85 parser 118: else
119: fflush(f);
1.124 parser 120: }
1.272 moko 121:
1.335 ! moko 122: void pa_log(const char* fmt, ...) {
1.272 moko 123: va_list args;
1.233 paf 124: va_start(args,fmt);
1.335 ! moko 125: pa_log(fmt, args);
1.233 paf 126: va_end(args);
127: }
1.124 parser 128:
1.322 moko 129: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 130: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 131: va_list args;
1.124 parser 132: va_start(args,fmt);
1.335 ! moko 133: pa_log(fmt, args);
1.124 parser 134: va_end(args);
135: }
136:
1.290 moko 137: void SAPI::die(const char* fmt, ...) {
138: va_list args;
139:
140: // logging first, first vsnprintf
141: va_start(args,fmt);
1.335 ! moko 142: pa_log(fmt, args);
1.290 moko 143: va_end(args);
1.138 paf 144:
1.290 moko 145: // inform user, second vsnprintf
146: va_start(args, fmt);
1.299 moko 147: char message[MAX_STRING];
1.300 moko 148: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 149:
1.299 moko 150: SAPI::send_error(*sapiInfo, message);
1.290 moko 151: exit(1);
1.258 moko 152: // va_end(args);
1.28 paf 153: }
154:
1.294 moko 155: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
156: return info.get_env(name);
1.218 paf 157: }
158:
1.305 moko 159: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
160: return info.set_env(name, value);
161: }
162:
1.294 moko 163: const char* const *SAPI::Env::get(SAPI_Info& info) {
164: return info.get_env();
1.180 paf 165: }
166:
1.294 moko 167: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
168: return info.read_post(buf, max_bytes);
1.10 paf 169: }
170:
1.294 moko 171: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
172: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 173: }
174:
1.294 moko 175: void SAPI::send_header(SAPI_Info& info) {
176: info.send_header();
1.30 paf 177: }
1.20 paf 178:
1.294 moko 179: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
180: return info.send_body(buf, size);
1.58 paf 181: }
182:
1.314 moko 183: static void full_disk_path(const char* file_name, char *buf, size_t buf_size) {
1.308 moko 184: if(file_name[0]=='/'
1.167 paf 185: #ifdef WIN32
1.308 moko 186: || file_name[0] && file_name[1]==':'
1.167 paf 187: #endif
1.308 moko 188: ){
189: strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0;
190: } else {
191: char cwd[MAX_STRING];
192: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
193: }
1.166 paf 194: #ifdef WIN32
195: back_slashes_to_slashes(buf);
196: #endif
1.97 parser 197: }
198:
1.218 paf 199: static void log_signal(const char* signal_name) {
1.294 moko 200: SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after");
1.205 paf 201: }
202:
1.201 paf 203: #ifdef SIGUSR1
1.205 paf 204: static void SIGUSR1_handler(int /*sig*/){
205: log_signal("SIGUSR1");
1.201 paf 206: }
207: #endif
208:
209: #ifdef SIGPIPE
1.243 misha 210: #define SIGPIPE_NAME "SIGPIPE"
211: static const String sigpipe_name(SIGPIPE_NAME);
1.205 paf 212: static void SIGPIPE_handler(int /*sig*/){
1.243 misha 213: Value* sigpipe=0;
214: if(request)
1.251 misha 215: sigpipe=request->main_class.get_element(sigpipe_name);
1.243 misha 216: if(sigpipe && sigpipe->as_bool())
1.244 misha 217: log_signal(SIGPIPE_NAME);
1.243 misha 218:
1.201 paf 219: if(request)
1.276 moko 220: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 221: }
222: #endif
223:
1.322 moko 224: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 225: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 226: filespec_4log=config_filespec_option;
227: if(!filespec_4log)
1.321 moko 228: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 229: if(!filespec_4log)
230: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
231: if(!filespec_4log){
1.321 moko 232: // next to the executable
233: char *beside_executable_path = pa_strdup(executable_path);
234: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
235: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 236: if(entry_exists(filespec_4log))
237: return filespec_4log;
238: #ifdef SYSTEM_CONFIG_FILE
239: if(entry_exists(SYSTEM_CONFIG_FILE)){
240: filespec_4log=NULL;
241: return SYSTEM_CONFIG_FILE;
242: }
243: #endif
244: return NULL;
1.321 moko 245: }
246: return filespec_4log;
247: }
248:
1.227 paf 249: #ifdef WIN32
1.292 moko 250: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 251: // 404;http://servername/page[?param=value...]
1.227 paf 252: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
253: // and can consider that as an indication that this is IIS way to report errors
254:
1.272 moko 255: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 256: size_t original_len=strlen(original);
1.272 moko 257: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 258: char* cur=reconstructed;
259: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
260: memcpy(cur, original, 3); cur+=3;
261: *cur++='&';
262:
1.228 paf 263: const char* qmark_at=strchr(original, '?');
1.227 paf 264: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
265: {
1.272 moko 266: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 267: memcpy(cur, original+4, value_len); cur+=value_len;
268: }
269:
270: if(qmark_at) {
271: *cur++='&';
272: strcpy(cur, qmark_at+1/*skip ? itself*/);
273: } else
274: *cur=0;
275:
276: return reconstructed;
277: }
278:
279: return original;
280: }
1.283 moko 281:
282: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
283: #else
284: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 285: #endif
286:
1.256 misha 287:
288: class RequestController {
289: public:
290: RequestController(Request* r){
291: ::request=r;
292: }
293: ~RequestController(){
294: ::request=0;
295: }
296: };
297:
1.317 moko 298: static void config_handler(SAPI_Info &info) {
299: char document_root_buf[MAX_STRING];
300: full_disk_path("", document_root_buf, sizeof(document_root_buf));
301:
302: request_info.document_root = document_root_buf;
303: request_info.uri = "";
1.319 moko 304: request_info.argv = argv_extra;
1.317 moko 305:
306: // prepare to process request
1.323 moko 307: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 308: // only once
309: config_filespec = locate_config(config_filespec, parser3_filespec);
310: // process main auto.p only
311: r.core(config_filespec, false, String::Empty);
1.317 moko 312: }
313:
314: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.325 moko 315: try {
1.331 moko 316: memset(&request_info, 0, sizeof(request_info));
317:
1.332 moko 318: if(connection.read_header())
319: return; // ignore "void" connections
1.325 moko 320: info.populate_env();
321:
322: char document_root_buf[MAX_STRING];
323: full_disk_path("", document_root_buf, sizeof(document_root_buf));
324:
325: request_info.document_root = document_root_buf;
326: request_info.path_translated = filespec_to_process;
327: request_info.method = connection.method();
328: request_info.query_string = connection.query();
329: request_info.uri = request_info.strip_absolute_uri(connection.uri());
330: request_info.content_type = connection.content_type();
331: request_info.content_length = (size_t)connection.content_length();
332: request_info.cookie = info.get_env("HTTP_COOKIE");
333: request_info.mail_received = false;
334: request_info.argv = argv_extra;
1.294 moko 335:
1.325 moko 336: // prepare to process request
337: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.330 moko 338: // process the request
339: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main"));
1.325 moko 340: } catch(const Exception& e) { // exception in connection handling or unhandled exception
341: SAPI::log(info, "%s", e.comment());
342: SAPI::send_error(info, e.comment(), info.exception_http_status(e.type()));
343: }
344: }
1.317 moko 345:
1.328 moko 346: #ifdef _MSC_VER
347: DWORD WINAPI connection_thread(void *arg){
348: #else
1.325 moko 349: static void *connection_thread(void *arg){
1.328 moko 350: #endif
1.325 moko 351: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
352: SAPI_Info_HTTPD info(connection);
1.294 moko 353:
1.325 moko 354: try {
355: connection_handler(info, connection);
356: } catch(const Exception& e) { // exception in send_error
357: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 358: }
1.325 moko 359:
360: delete(&connection);
1.328 moko 361: return 0;
1.294 moko 362: }
363:
1.317 moko 364: static void httpd_mode() {
1.325 moko 365: config_handler(*sapiInfo);
366:
1.296 moko 367: int sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 368:
1.327 moko 369: #ifdef SIGCHLD
1.325 moko 370: signal(SIGCHLD, SIG_IGN);
1.327 moko 371: #endif
372: #ifdef SIGPIPE
1.325 moko 373: signal(SIGPIPE, SIG_IGN);
374: #endif
1.317 moko 375:
1.297 moko 376: while(1){
1.328 moko 377: #ifndef _MSC_VER
1.325 moko 378: pid_t pid=1;
1.328 moko 379: #endif
1.303 moko 380: try {
1.331 moko 381: request_info.method=NULL; // wipe previous request for correct logging
1.303 moko 382: HTTPD_Connection connection;
383: if(!connection.accept(sock, 5))
384: continue;
385:
1.325 moko 386: switch (HTTPD_Server::mode) {
387: case HTTPD_Server::MULTITHREADED:
1.328 moko 388: #ifdef _MSC_VER
389: if (!GC_CreateThread(0, 0, connection_thread, new HTTPD_Connection(connection), 0, 0))
390: throw Exception("httpd.fork", 0, "thread creation failed");
391: connection.sock = -1;
392: break;
393: #else
1.325 moko 394: pthread_t thread;
395: pthread_attr_t attr;
396: pthread_attr_init(&attr);
397: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
398:
399: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
400: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
401: connection.sock=-1;
402: break;
403: case HTTPD_Server::PARALLEL:
404: pid=fork();
405: if(pid<0)
406: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
407: if(pid>0)
408: continue; // parent should close connection.sock as well
409: #endif
410: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 411:
1.325 moko 412: SAPI_Info_HTTPD info(connection);
413: connection_handler(info, connection);
1.303 moko 414: }
415: // closing connection socket in HTTPD_Connection destructor
416: } catch(const Exception& e) { // exception in accept or send_error
417: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 418: }
1.325 moko 419:
1.328 moko 420: #ifndef _MSC_VER
1.325 moko 421: if(pid==0) // fork child
422: exit(0);
1.328 moko 423: #endif
1.294 moko 424: }
425: }
1.231 paf 426:
1.294 moko 427: /** main workhorse */
428:
1.316 moko 429: static void real_parser_handler(bool cgi) {
1.280 moko 430: // init libraries
1.218 paf 431: pa_globals_init();
1.294 moko 432:
1.296 moko 433: if(httpd_host_port){
1.308 moko 434: httpd_mode();
1.294 moko 435: }
436:
437: const char* request_method=getenv("REQUEST_METHOD");
438:
1.308 moko 439: if(!filespec_to_process)
1.282 moko 440: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 441:
1.166 paf 442: char document_root_buf[MAX_STRING];
1.283 moko 443:
1.297 moko 444: // global request info
1.283 moko 445: request_info.path_translated = filespec_to_process;
446: request_info.method = request_method ? request_method : "GET";
447: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
448:
1.122 parser 449: if(cgi) {
1.284 moko 450: // obligatory
1.218 paf 451: const char* path_info=getenv("PATH_INFO");
1.214 paf 452: if(!path_info)
453: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 454:
455: request_info.document_root = getenv("DOCUMENT_ROOT");
456: if(!request_info.document_root) {
1.285 moko 457: // IIS or fcgiwrap minimalistic setup
458: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
459: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
460: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
461:
462: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
463: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
464: request_info.document_root = document_root;
1.283 moko 465: }
1.214 paf 466:
1.285 moko 467: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 468: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 469: // another obligatory
1.285 moko 470: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 471: if(!script_name)
472: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 473: /*
474: http://parser3/env.html?123 =OK
475: $request:uri=/env.html?123
476: REQUEST_URI='/env.html?123'
477: SCRIPT_NAME='/cgi-bin/parser3'
478: PATH_INFO='/env.html'
1.285 moko 479:
1.214 paf 480: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
481: $request:uri=/cgi-bin/parser3/env.html?123
482: REQUEST_URI='/cgi-bin/parser3/env.html?123'
483: SCRIPT_NAME='/cgi-bin/parser3'
484: PATH_INFO='/env.html'
485: */
1.285 moko 486: size_t script_name_len = strlen(script_name);
487: size_t uri_len = strlen(request_info.uri);
1.283 moko 488: 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 489: SAPI::die("CGI: illegal call (1)");
1.284 moko 490: } else { // fcgiwrap minimalistic setup
1.315 moko 491: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 492: }
1.283 moko 493: } else{
1.314 moko 494: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 495: request_info.document_root = document_root_buf;
496: request_info.uri = "";
1.283 moko 497: }
1.122 parser 498:
1.283 moko 499: request_info.content_type = getenv("CONTENT_TYPE");
1.324 moko 500: request_info.content_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH"));
1.283 moko 501: request_info.cookie = getenv("HTTP_COOKIE");
502: request_info.mail_received = mail_received;
1.184 paf 503:
1.319 moko 504: request_info.argv = argv_extra;
1.245 misha 505:
1.233 paf 506: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 507: log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s", request_info.method, request_info.uri, request_info.query_string, request_info.document_root, request_info.path_translated);
1.233 paf 508: #endif
509:
1.122 parser 510: // prepare to process request
1.323 moko 511: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 512: {
1.297 moko 513: // initing ::request ptr for signal handlers
1.323 moko 514: RequestController rc(&r);
1.256 misha 515: // process the request
1.323 moko 516: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 517: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 518: }
1.231 paf 519:
1.280 moko 520: // finalize libraries
1.225 paf 521: pa_globals_done();
1.218 paf 522: }
523:
1.231 paf 524: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 525: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 526: try {
1.316 moko 527: real_parser_handler(cgi);
1.231 paf 528: } catch(const Exception& e) {
529: return e;
1.122 parser 530: }
1.231 paf 531:
532: return Exception();
1.122 parser 533: }
1.272 moko 534:
1.316 moko 535: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 536: Exception parser_exception;
537: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 538:
1.231 paf 539: __try {
1.316 moko 540: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 541: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 542: if(system_exception)
543: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 544: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 545: else
1.272 moko 546: throw Exception("system", 0, "<no exception record>");
1.218 paf 547: else
1.272 moko 548: throw Exception("system", 0, "<no exception information>");
1.231 paf 549: }
550:
551: if(parser_exception)
552: throw Exception(parser_exception);
553: }
1.273 moko 554:
555: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
556: #else
557: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 558: #endif
1.131 paf 559:
1.218 paf 560: static void usage(const char* program) {
1.188 paf 561: printf(
1.235 paf 562: "Parser/%s\n"
1.329 moko 563: "Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 564: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
565: "\n"
1.307 moko 566: "Usage: %s [options] [file]\n"
1.184 paf 567: "Options are:\n"
1.185 paf 568: #ifdef WITH_MAILRECEIVE
1.193 paf 569: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 570: #endif
1.193 paf 571: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 572: " -p [host:]port Start web server on this port\n"
1.272 moko 573: " -h Display usage information (this message)\n",
574: PARSER_VERSION,
1.184 paf 575: program);
576: exit(EINVAL);
577: }
578:
1.294 moko 579:
1.249 misha 580: int main(int argc, char *argv[]) {
1.233 paf 581: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
582: log("main: entry");
583: #endif
1.217 paf 584:
1.321 moko 585: parser3_filespec = argv[0];
1.294 moko 586: umask(2);
587:
588: // were we started as CGI?
1.316 moko 589: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 590: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
591:
1.203 paf 592: #ifdef SIGUSR1
1.325 moko 593: signal(SIGUSR1, SIGUSR1_handler);
1.203 paf 594: #endif
595: #ifdef SIGPIPE
1.325 moko 596: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 597: #endif
598:
1.301 moko 599: char *raw_filespec_to_process = NULL;
1.210 paf 600: if(cgi) {
1.184 paf 601: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 602: argv_extra=argv + 1;
1.210 paf 603: } else {
1.250 misha 604: int optind=1;
1.245 misha 605: while(optind < argc){
606: char *carg = argv[optind];
607: if(carg[0] != '-')
1.184 paf 608: break;
1.245 misha 609:
610: for(size_t k = 1; k < strlen(carg); k++){
611: char c = carg[k];
612: switch (c) {
613: case 'h':
614: usage(argv[0]);
615: break;
616: case 'f':
617: if(optind < argc - 1){
618: optind++;
1.311 moko 619: config_filespec=argv[optind];
1.245 misha 620: }
621: break;
1.294 moko 622: case 'p':
623: if(optind < argc - 1){
624: optind++;
1.296 moko 625: httpd_host_port=argv[optind];
1.294 moko 626: }
627: break;
1.185 paf 628: #ifdef WITH_MAILRECEIVE
1.245 misha 629: case 'm':
630: mail_received=true;
631: break;
632: #endif
633: default:
634: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
635: usage(argv[0]);
636: break;
637: }
1.184 paf 638: }
1.245 misha 639: optind++;
1.184 paf 640: }
1.245 misha 641:
642: if (optind > argc - 1) {
1.296 moko 643: if(!httpd_host_port) {
1.294 moko 644: fprintf(stderr, "%s: file not specified\n", argv[0]);
645: usage(argv[0]);
646: }
647: } else {
648: raw_filespec_to_process=argv[optind];
1.10 paf 649: }
1.294 moko 650:
1.296 moko 651: if (httpd_host_port && mail_received) {
1.294 moko 652: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
653: usage(argv[0]);
654: }
1.310 moko 655:
1.319 moko 656: argv_extra=argv + optind;
1.10 paf 657: }
658:
1.264 moko 659: #ifdef _MSC_VER
1.100 parser 660: setmode(fileno(stdin), _O_BINARY);
661: setmode(fileno(stdout), _O_BINARY);
662: setmode(fileno(stderr), _O_BINARY);
663: #endif
664:
1.218 paf 665: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 666: // Get current flag
667: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
668:
669: // Turn on leak-checking bit
670: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
671:
672: // Set flag to the new value
673: _CrtSetDbgFlag( tmpFlag );
1.138 paf 674:
1.218 paf 675: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
676: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 677: #endif
678:
1.318 moko 679: try { // global try
680: char filespec_to_process_buf[MAX_STRING];
681: if(raw_filespec_to_process && *raw_filespec_to_process){
682: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
683: filespec_to_process=filespec_to_process_buf;
684: }
1.10 paf 685:
1.316 moko 686: REAL_PARSER_HANDLER(cgi);
1.292 moko 687: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 688: SAPI::die("%s", e.comment());
1.16 paf 689: }
1.109 parser 690:
1.233 paf 691: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
692: log("main: successful return");
693: #endif
1.299 moko 694: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 695: }
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