Annotation of parser3/src/targets/cgi/parser3.C, revision 1.326
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:
1.326 ! moko 8: volatile const char * IDENT_PARSER3_C="$Id: parser3.C,v 1.325 2020/12/10 20:47:06 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:
1.316 moko 41: static const char* filespec_to_process = 0; // [file]
42: static const char* httpd_host_port = 0; // -p option
1.319 moko 43: static const char* config_filespec = 0; // -f option or from env or next to the executable if exists
1.316 moko 44: static bool mail_received = false; // -m option? [asked to parse incoming message to $mail:received]
1.322 moko 45: static char* parser3_filespec = 0; // argv[0]
1.319 moko 46: static char** argv_extra = NULL;
1.245 misha 47:
1.201 paf 48: // for signal handlers
1.325 moko 49: static THREAD_LOCAL Request *request=0;
1.309 moko 50:
1.317 moko 51: // for error logging
1.325 moko 52: static THREAD_LOCAL Request_info request_info; // global for correct log() reporting
1.322 moko 53: static const char* filespec_4log = NULL; // null only if system-wide auto.p used
1.201 paf 54:
1.46 paf 55: // SAPI
1.86 parser 56:
1.218 paf 57: static void log(const char* fmt, va_list args) {
1.193 paf 58: bool opened=false;
1.61 paf 59: FILE *f=0;
60:
1.226 paf 61: const char* log_by_env=getenv(PARSER_LOG_ENV_NAME);
62: if(!log_by_env)
63: log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME);
64: if(log_by_env) {
65: f=fopen(log_by_env, "at");
66: opened=f!=0;
67: }
1.272 moko 68: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 69: f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at");
70: opened=f!=0;
71: #endif
1.226 paf 72:
1.316 moko 73: if(!opened && filespec_4log) {
1.193 paf 74: char beside_config_path[MAX_STRING];
1.316 moko 75: strncpy(beside_config_path, filespec_4log, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0;
1.272 moko 76: if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename
1.193 paf 77: // no path, just filename
1.316 moko 78: strcpy(beside_config_path, ".");
1.193 paf 79: }
80:
81: char file_spec[MAX_STRING];
1.272 moko 82: snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path);
1.193 paf 83: f=fopen(file_spec, "at");
84: opened=f!=0;
85: }
1.192 paf 86: // fallback to stderr
1.61 paf 87: if(!opened)
88: f=stderr;
1.208 paf 89:
90: // use no memory [so that we could log out-of-memory error]
91: setbuf(f, 0); // stderr stream is unbuffered by default, but still...
1.61 paf 92:
93: // prefix
94: time_t t=time(0);
1.218 paf 95: if(const char* stamp=ctime(&t)) { // never saw that
1.173 paf 96: if(size_t len=strlen(stamp)) // saw once stamp being =""
1.272 moko 97: fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)getpid() );
1.171 paf 98: }
1.61 paf 99: // message
1.117 parser 100:
1.246 misha 101: char buf[MAX_LOG_STRING];
102: size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args);
103: size=remove_crlf(buf, buf+size);
1.239 paf 104: fwrite(buf, size, 1, f);
105:
1.297 moko 106: if(request_info.method) {
1.302 moko 107: 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 108: } else
109: fputs(" [no request info]\n", f);
1.61 paf 110:
111: if(opened)
112: fclose(f);
1.85 parser 113: else
114: fflush(f);
1.124 parser 115: }
1.272 moko 116:
1.236 paf 117: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.233 paf 118: static void log(const char* fmt, ...) {
1.272 moko 119: va_list args;
1.233 paf 120: va_start(args,fmt);
121: log(fmt, args);
122: va_end(args);
123: }
1.236 paf 124: #endif
1.124 parser 125:
1.322 moko 126: // appends to parser3.log located next to the config file if openable, to stderr otherwize
1.218 paf 127: void SAPI::log(SAPI_Info&, const char* fmt, ...) {
1.272 moko 128: va_list args;
1.124 parser 129: va_start(args,fmt);
130: ::log(fmt, args);
131: va_end(args);
132: }
133:
1.290 moko 134: void SAPI::die(const char* fmt, ...) {
135: va_list args;
136:
137: // logging first, first vsnprintf
138: va_start(args,fmt);
139: ::log(fmt, args);
140: va_end(args);
1.138 paf 141:
1.290 moko 142: // inform user, second vsnprintf
143: va_start(args, fmt);
1.299 moko 144: char message[MAX_STRING];
1.300 moko 145: vsnprintf(message, MAX_STRING, fmt, args);
1.134 paf 146:
1.299 moko 147: SAPI::send_error(*sapiInfo, message);
1.290 moko 148: exit(1);
1.258 moko 149: // va_end(args);
1.28 paf 150: }
151:
1.294 moko 152: char* SAPI::Env::get(SAPI_Info& info, const char* name) {
153: return info.get_env(name);
1.218 paf 154: }
155:
1.305 moko 156: bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) {
157: return info.set_env(name, value);
158: }
159:
1.294 moko 160: const char* const *SAPI::Env::get(SAPI_Info& info) {
161: return info.get_env();
1.180 paf 162: }
163:
1.294 moko 164: size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) {
165: return info.read_post(buf, max_bytes);
1.10 paf 166: }
167:
1.294 moko 168: void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) {
169: info.add_header_attribute(dont_store_key, dont_store_value);
1.19 paf 170: }
171:
1.294 moko 172: void SAPI::send_header(SAPI_Info& info) {
173: info.send_header();
1.30 paf 174: }
1.20 paf 175:
1.294 moko 176: size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) {
177: return info.send_body(buf, size);
1.58 paf 178: }
179:
1.314 moko 180: static void full_disk_path(const char* file_name, char *buf, size_t buf_size) {
1.308 moko 181: if(file_name[0]=='/'
1.167 paf 182: #ifdef WIN32
1.308 moko 183: || file_name[0] && file_name[1]==':'
1.167 paf 184: #endif
1.308 moko 185: ){
186: strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0;
187: } else {
188: char cwd[MAX_STRING];
189: snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name);
190: }
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:
1.201 paf 216: if(request)
1.276 moko 217: request->set_skip(Request::SKIP_INTERRUPTED);
1.201 paf 218: }
219: #endif
220:
1.322 moko 221: // requires pa_thread_request() in entry_exists() under Windows
1.321 moko 222: static const char *locate_config(const char *config_filespec_option, const char *executable_path){
1.322 moko 223: filespec_4log=config_filespec_option;
224: if(!filespec_4log)
1.321 moko 225: filespec_4log=getenv(PARSER_CONFIG_ENV_NAME);
1.322 moko 226: if(!filespec_4log)
227: filespec_4log=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME);
228: if(!filespec_4log){
1.321 moko 229: // next to the executable
230: char *beside_executable_path = pa_strdup(executable_path);
231: bool stripped_filename = rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\');
232: filespec_4log = pa_strcat(stripped_filename ? beside_executable_path : "." /* no path, just filename */ , "/" AUTO_FILE_NAME);
1.322 moko 233: if(entry_exists(filespec_4log))
234: return filespec_4log;
235: #ifdef SYSTEM_CONFIG_FILE
236: if(entry_exists(SYSTEM_CONFIG_FILE)){
237: filespec_4log=NULL;
238: return SYSTEM_CONFIG_FILE;
239: }
240: #endif
241: return NULL;
1.321 moko 242: }
243: return filespec_4log;
244: }
245:
1.227 paf 246: #ifdef WIN32
1.292 moko 247: const char* maybe_reconstruct_IIS_status_in_qs(const char* original) {
1.228 paf 248: // 404;http://servername/page[?param=value...]
1.227 paf 249: // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser
250: // and can consider that as an indication that this is IIS way to report errors
251:
1.272 moko 252: if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){
1.227 paf 253: size_t original_len=strlen(original);
1.272 moko 254: char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1];
1.227 paf 255: char* cur=reconstructed;
256: memcpy(cur, "IIS-STATUS=", 11); cur+=11;
257: memcpy(cur, original, 3); cur+=3;
258: *cur++='&';
259:
1.228 paf 260: const char* qmark_at=strchr(original, '?');
1.227 paf 261: memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13;
262: {
1.272 moko 263: size_t value_len=(qmark_at ? qmark_at-original : original_len)-4;
1.227 paf 264: memcpy(cur, original+4, value_len); cur+=value_len;
265: }
266:
267: if(qmark_at) {
268: *cur++='&';
269: strcpy(cur, qmark_at+1/*skip ? itself*/);
270: } else
271: *cur=0;
272:
273: return reconstructed;
274: }
275:
276: return original;
277: }
1.283 moko 278:
279: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s)
280: #else
281: #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s
1.227 paf 282: #endif
283:
1.256 misha 284:
285: class RequestController {
286: public:
287: RequestController(Request* r){
288: ::request=r;
289: }
290: ~RequestController(){
291: ::request=0;
292: }
293: };
294:
1.317 moko 295: static void config_handler(SAPI_Info &info) {
296: char document_root_buf[MAX_STRING];
297: full_disk_path("", document_root_buf, sizeof(document_root_buf));
298:
299: request_info.document_root = document_root_buf;
300: request_info.uri = "";
1.319 moko 301: request_info.argv = argv_extra;
1.317 moko 302:
303: // prepare to process request
1.323 moko 304: Request r(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT));
1.317 moko 305: {
306: // initing ::request ptr for signal handlers
1.323 moko 307: RequestController rc(&r);
1.321 moko 308: // only once
309: config_filespec = locate_config(config_filespec, parser3_filespec);
1.317 moko 310: // process main auto.p only
1.323 moko 311: r.core(config_filespec, false, String::Empty);
1.317 moko 312: // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory
313: }
314: }
315:
316: static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection) {
1.325 moko 317: try {
318: connection.read_header();
319: info.populate_env();
320:
321: char document_root_buf[MAX_STRING];
322: full_disk_path("", document_root_buf, sizeof(document_root_buf));
323:
324: memset(&request_info, 0, sizeof(request_info));
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));
338: {
339: // initing ::request ptr for signal handlers
340: RequestController rc(&r);
341: // process the request
342: r.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main"));
343: // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory
344: }
345: } catch(const Exception& e) { // exception in connection handling or unhandled exception
346: SAPI::log(info, "%s", e.comment());
347: SAPI::send_error(info, e.comment(), info.exception_http_status(e.type()));
348: }
349: }
1.317 moko 350:
1.325 moko 351: static void *connection_thread(void *arg){
352: HTTPD_Connection &connection=*(HTTPD_Connection*)arg;
353: SAPI_Info_HTTPD info(connection);
1.294 moko 354:
1.325 moko 355: try {
356: connection_handler(info, connection);
357: } catch(const Exception& e) { // exception in send_error
358: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 359: }
1.325 moko 360:
361: delete(&connection);
362: return NULL;
1.294 moko 363: }
364:
1.317 moko 365: static void httpd_mode() {
1.325 moko 366: config_handler(*sapiInfo);
367:
1.296 moko 368: int sock = HTTPD_Server::bind(httpd_host_port);
1.294 moko 369:
1.325 moko 370: #if 0
371: signal(SIGCHLD, SIG_IGN);
372: signal(SIGPIPE, SIG_IGN);
1.326 ! moko 373:
! 374: // HTTPD_Server::mode = HTTPD_Server::PARALLEL;
! 375: // HTTPD_Server::mode = HTTPD_Server::MULTITHREADED;
1.325 moko 376: #endif
1.317 moko 377:
1.297 moko 378: while(1){
1.325 moko 379: pid_t pid=1;
380:
1.303 moko 381: try {
382: HTTPD_Connection connection;
383: if(!connection.accept(sock, 5))
384: continue;
385:
1.325 moko 386: switch (HTTPD_Server::mode) {
387: #if 0
388: case HTTPD_Server::MULTITHREADED:
389: pthread_t thread;
390: pthread_attr_t attr;
391: pthread_attr_init(&attr);
392: pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
393:
394: if(int result=GC_pthread_create(&thread, &attr, connection_thread, new HTTPD_Connection(connection)))
395: throw Exception("httpd.fork", 0, "thread creation failed (%d)", result);
396: connection.sock=-1;
397: break;
398:
399: case HTTPD_Server::PARALLEL:
400: pid=fork();
401: if(pid<0)
402: throw Exception("httpd.fork", 0, "fork failed: %s (%d)", strerror(errno), errno);
403: if(pid>0)
404: continue; // parent should close connection.sock as well
405: #endif
406: case HTTPD_Server::SEQUENTIAL: // and fork child
1.303 moko 407:
1.325 moko 408: SAPI_Info_HTTPD info(connection);
409: connection_handler(info, connection);
1.303 moko 410: }
411: // closing connection socket in HTTPD_Connection destructor
412: } catch(const Exception& e) { // exception in accept or send_error
413: SAPI::log(*sapiInfo, "%s", e.comment());
1.294 moko 414: }
1.325 moko 415:
416: if(pid==0) // fork child
417: exit(0);
1.294 moko 418: }
419: }
1.231 paf 420:
1.294 moko 421: /** main workhorse */
422:
1.316 moko 423: static void real_parser_handler(bool cgi) {
1.280 moko 424: // init libraries
1.218 paf 425: pa_globals_init();
1.294 moko 426:
1.296 moko 427: if(httpd_host_port){
1.308 moko 428: httpd_mode();
1.294 moko 429: }
430:
431: const char* request_method=getenv("REQUEST_METHOD");
432:
1.308 moko 433: if(!filespec_to_process)
1.282 moko 434: SAPI::die("Parser/%s", PARSER_VERSION);
1.122 parser 435:
1.166 paf 436: char document_root_buf[MAX_STRING];
1.283 moko 437:
1.297 moko 438: // global request info
1.283 moko 439: request_info.path_translated = filespec_to_process;
440: request_info.method = request_method ? request_method : "GET";
441: request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING"));
442:
1.122 parser 443: if(cgi) {
1.284 moko 444: // obligatory
1.218 paf 445: const char* path_info=getenv("PATH_INFO");
1.214 paf 446: if(!path_info)
447: SAPI::die("CGI: illegal call (missing PATH_INFO)");
1.283 moko 448:
449: request_info.document_root = getenv("DOCUMENT_ROOT");
450: if(!request_info.document_root) {
1.285 moko 451: // IIS or fcgiwrap minimalistic setup
452: ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info);
453: if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0)
454: SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)");
455:
456: char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/];
457: memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0;
458: request_info.document_root = document_root;
1.283 moko 459: }
1.214 paf 460:
1.285 moko 461: request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI"));
1.283 moko 462: if(request_info.uri) { // apache & others stuck to standards
1.284 moko 463: // another obligatory
1.285 moko 464: const char* script_name = getenv("SCRIPT_NAME");
1.284 moko 465: if(!script_name)
466: SAPI::die("CGI: illegal call (missing SCRIPT_NAME)");
1.214 paf 467: /*
468: http://parser3/env.html?123 =OK
469: $request:uri=/env.html?123
470: REQUEST_URI='/env.html?123'
471: SCRIPT_NAME='/cgi-bin/parser3'
472: PATH_INFO='/env.html'
1.285 moko 473:
1.214 paf 474: http://parser3/cgi-bin/parser3/env.html?123 =ERROR
475: $request:uri=/cgi-bin/parser3/env.html?123
476: REQUEST_URI='/cgi-bin/parser3/env.html?123'
477: SCRIPT_NAME='/cgi-bin/parser3'
478: PATH_INFO='/env.html'
479: */
1.285 moko 480: size_t script_name_len = strlen(script_name);
481: size_t uri_len = strlen(request_info.uri);
1.283 moko 482: 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 483: SAPI::die("CGI: illegal call (1)");
1.284 moko 484: } else { // fcgiwrap minimalistic setup
1.315 moko 485: request_info.uri = request_info.query_string && *request_info.query_string ? pa_strcat(path_info, "?", request_info.query_string) : path_info;
1.214 paf 486: }
1.283 moko 487: } else{
1.314 moko 488: full_disk_path("", document_root_buf, sizeof(document_root_buf));
1.285 moko 489: request_info.document_root = document_root_buf;
490: request_info.uri = "";
1.283 moko 491: }
1.122 parser 492:
1.283 moko 493: request_info.content_type = getenv("CONTENT_TYPE");
1.324 moko 494: request_info.content_length = (size_t)pa_atoul(getenv("CONTENT_LENGTH"));
1.283 moko 495: request_info.cookie = getenv("HTTP_COOKIE");
496: request_info.mail_received = mail_received;
1.184 paf 497:
1.319 moko 498: request_info.argv = argv_extra;
1.245 misha 499:
1.233 paf 500: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
1.320 moko 501: 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 502: #endif
503:
1.122 parser 504: // prepare to process request
1.323 moko 505: Request r(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS);
1.256 misha 506: {
1.297 moko 507: // initing ::request ptr for signal handlers
1.323 moko 508: RequestController rc(&r);
1.256 misha 509: // process the request
1.323 moko 510: r.core(locate_config(config_filespec, parser3_filespec), strcasecmp(request_info.method, "HEAD")==0);
1.303 moko 511: // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory
1.122 parser 512: }
1.231 paf 513:
1.280 moko 514: // finalize libraries
1.225 paf 515: pa_globals_done();
1.218 paf 516: }
517:
1.231 paf 518: #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION
1.316 moko 519: static const Exception call_real_parser_handler__do_PEH_return_it(bool cgi) {
1.231 paf 520: try {
1.316 moko 521: real_parser_handler(cgi);
1.231 paf 522: } catch(const Exception& e) {
523: return e;
1.122 parser 524: }
1.231 paf 525:
526: return Exception();
1.122 parser 527: }
1.272 moko 528:
1.316 moko 529: static void call_real_parser_handler__supress_system_exception(bool cgi) {
1.231 paf 530: Exception parser_exception;
531: LPEXCEPTION_POINTERS system_exception=0;
1.122 parser 532:
1.231 paf 533: __try {
1.316 moko 534: parser_exception=call_real_parser_handler__do_PEH_return_it(cgi);
1.288 moko 535: } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) {
1.231 paf 536: if(system_exception)
537: if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord)
1.272 moko 538: throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress);
1.218 paf 539: else
1.272 moko 540: throw Exception("system", 0, "<no exception record>");
1.218 paf 541: else
1.272 moko 542: throw Exception("system", 0, "<no exception information>");
1.231 paf 543: }
544:
545: if(parser_exception)
546: throw Exception(parser_exception);
547: }
1.273 moko 548:
549: #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception
550: #else
551: #define REAL_PARSER_HANDLER real_parser_handler
1.218 paf 552: #endif
1.131 paf 553:
1.218 paf 554: static void usage(const char* program) {
1.188 paf 555: printf(
1.235 paf 556: "Parser/%s\n"
1.277 moko 557: "Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)\n"
1.184 paf 558: "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n"
559: "\n"
1.307 moko 560: "Usage: %s [options] [file]\n"
1.184 paf 561: "Options are:\n"
1.185 paf 562: #ifdef WITH_MAILRECEIVE
1.193 paf 563: " -m Parse mail, put received letter to $mail:received\n"
1.184 paf 564: #endif
1.193 paf 565: " -f config_file Use this config file (/path/to/auto.p)\n"
1.296 moko 566: " -p [host:]port Start web server on this port\n"
1.272 moko 567: " -h Display usage information (this message)\n",
568: PARSER_VERSION,
1.184 paf 569: program);
570: exit(EINVAL);
571: }
572:
1.294 moko 573:
1.249 misha 574: int main(int argc, char *argv[]) {
1.233 paf 575: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
576: log("main: entry");
577: #endif
1.217 paf 578:
1.321 moko 579: parser3_filespec = argv[0];
1.294 moko 580: umask(2);
581:
582: // were we started as CGI?
1.316 moko 583: bool cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION");
1.294 moko 584: sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info();
585:
1.203 paf 586: #ifdef SIGUSR1
1.325 moko 587: signal(SIGUSR1, SIGUSR1_handler);
1.203 paf 588: #endif
589: #ifdef SIGPIPE
1.325 moko 590: signal(SIGPIPE, SIGPIPE_handler);
1.203 paf 591: #endif
592:
1.301 moko 593: char *raw_filespec_to_process = NULL;
1.210 paf 594: if(cgi) {
1.184 paf 595: raw_filespec_to_process=getenv("PATH_TRANSLATED");
1.319 moko 596: argv_extra=argv + 1;
1.210 paf 597: } else {
1.250 misha 598: int optind=1;
1.245 misha 599: while(optind < argc){
600: char *carg = argv[optind];
601: if(carg[0] != '-')
1.184 paf 602: break;
1.245 misha 603:
604: for(size_t k = 1; k < strlen(carg); k++){
605: char c = carg[k];
606: switch (c) {
607: case 'h':
608: usage(argv[0]);
609: break;
610: case 'f':
611: if(optind < argc - 1){
612: optind++;
1.311 moko 613: config_filespec=argv[optind];
1.245 misha 614: }
615: break;
1.294 moko 616: case 'p':
617: if(optind < argc - 1){
618: optind++;
1.296 moko 619: httpd_host_port=argv[optind];
1.294 moko 620: }
621: break;
1.185 paf 622: #ifdef WITH_MAILRECEIVE
1.245 misha 623: case 'm':
624: mail_received=true;
625: break;
626: #endif
627: default:
628: fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c);
629: usage(argv[0]);
630: break;
631: }
1.184 paf 632: }
1.245 misha 633: optind++;
1.184 paf 634: }
1.245 misha 635:
636: if (optind > argc - 1) {
1.296 moko 637: if(!httpd_host_port) {
1.294 moko 638: fprintf(stderr, "%s: file not specified\n", argv[0]);
639: usage(argv[0]);
640: }
641: } else {
642: raw_filespec_to_process=argv[optind];
1.10 paf 643: }
1.294 moko 644:
1.296 moko 645: if (httpd_host_port && mail_received) {
1.294 moko 646: fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]);
647: usage(argv[0]);
648: }
1.310 moko 649:
1.319 moko 650: argv_extra=argv + optind;
1.10 paf 651: }
652:
1.264 moko 653: #ifdef _MSC_VER
1.100 parser 654: setmode(fileno(stdin), _O_BINARY);
655: setmode(fileno(stdout), _O_BINARY);
656: setmode(fileno(stderr), _O_BINARY);
657: #endif
658:
1.218 paf 659: #if defined(_MSC_VER) && defined(_DEBUG)
1.148 paf 660: // Get current flag
661: int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
662:
663: // Turn on leak-checking bit
664: tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
665:
666: // Set flag to the new value
667: _CrtSetDbgFlag( tmpFlag );
1.138 paf 668:
1.218 paf 669: _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
670: _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
1.138 paf 671: #endif
672:
1.318 moko 673: try { // global try
674: char filespec_to_process_buf[MAX_STRING];
675: if(raw_filespec_to_process && *raw_filespec_to_process){
676: full_disk_path(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf));
677: filespec_to_process=filespec_to_process_buf;
678: }
1.10 paf 679:
1.316 moko 680: REAL_PARSER_HANDLER(cgi);
1.292 moko 681: } catch(const Exception& e) { // exception in unhandled exception
1.298 moko 682: SAPI::die("%s", e.comment());
1.16 paf 683: }
1.109 parser 684:
1.233 paf 685: #ifdef PA_DEBUG_CGI_ENTRY_EXIT
686: log("main: successful return");
687: #endif
1.299 moko 688: return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0;
1.1 paf 689: }
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