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| version 1.170, 2002/04/15 06:46:01 | version 1.313, 2020/11/13 23:34:10 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: scripting and CGI main. | Parser: scripting and CGI main. |
| Copyright(c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| #include "pa_config_includes.h" | volatile const char * IDENT_PARSER3_C="$Id$"; |
| #if _MSC_VER | #include "pa_config_includes.h" |
| # include <new.h> | |
| # include <crtdbg.h> | |
| #else | |
| # include "pa_config_paths.h" | |
| #endif | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "classes.h" | #include "classes.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_socks.h" | |
| #include "pa_version.h" | #include "pa_version.h" |
| #include "pool_storage.h" | #include "pa_vconsole.h" |
| #include "pa_sapi_info.h" | |
| #ifdef WIN32 | #ifdef _MSC_VER |
| # include <windows.h> | #include <crtdbg.h> |
| #include <windows.h> | |
| #include <direct.h> | |
| #endif | #endif |
| //#define DEBUG_POOL_MALLOC | // defines |
| //#define DEBUG_STRING_APPENDS_VS_EXPANDS | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | // comment remove me after debugging |
| extern ulong | //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log" |
| string_piece_appends, | |
| wcontext_result_size, | #if defined(_MSC_VER) && !defined(_DEBUG) |
| total_alloc_size, | # define PA_SUPPRESS_SYSTEM_EXCEPTION |
| string_string_shortcut_economy; | |
| #endif | #endif |
| // consts | // consts |
| extern const char *main_RCSIds[]; | #define REDIRECT_PREFIX "REDIRECT_" |
| #ifdef USE_SMTP | #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" |
| extern const char *smtp_RCSIds[]; | #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" |
| #endif | |
| extern const char *gd_RCSIds[]; | static const char* filespec_to_process=0; // [file] |
| extern const char *classes_RCSIds[]; | static const char* config_filespec=0; // -f option or next to the executable |
| extern const char *types_RCSIds[]; | static const char* httpd_host_port=0; // -p option |
| extern const char *parser3_RCSIds[]; | static bool mail_received=false; // -m option? [asked to parse incoming message to $mail:received] |
| const char **RCSIds[]={ | |
| main_RCSIds, | |
| #ifdef USE_SMTP | |
| smtp_RCSIds, | |
| #endif | |
| gd_RCSIds, | |
| classes_RCSIds, | |
| types_RCSIds, | |
| parser3_RCSIds, | |
| 0 | |
| }; | |
| const char *PARSER_ROOT_CONFIG_ENV_NAME="HTTP_PARSER_ROOT_CONFIG"; | static char** argv_all = NULL; |
| const char *PARSER_SITE_CONFIG_ENV_NAME="HTTP_PARSER_SITE_CONFIG"; | |
| /// IIS refuses to read bigger chunks | static bool cgi; ///< we were started as CGI? |
| const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M | |
| const char *argv0; | // for signal handlers |
| Pool_storage pool_storage; | Request *request=0; |
| Pool pool(&pool_storage); // global pool [dont describe to doxygen: it confuses it with param names] | |
| bool cgi; ///< we were started as CGI? | // for die error logging |
| static Request_info request_info; | |
| // SAPI | // SAPI |
| static void log(const char *fmt, va_list args) { | static void log(const char* fmt, va_list args) { |
| bool opened; | bool opened=false; |
| FILE *f=0; | FILE *f=0; |
| if(argv0) { | const char* log_by_env=getenv(PARSER_LOG_ENV_NAME); |
| // beside by binary | if(!log_by_env) |
| log_by_env=getenv(REDIRECT_PREFIX PARSER_LOG_ENV_NAME); | |
| if(log_by_env) { | |
| f=fopen(log_by_env, "at"); | |
| opened=f!=0; | |
| } | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| f=fopen(PA_DEBUG_CGI_ENTRY_EXIT, "at"); | |
| opened=f!=0; | |
| #endif | |
| if(!opened && config_filespec) { | |
| char beside_config_path[MAX_STRING]; | |
| strncpy(beside_config_path, config_filespec, MAX_STRING-1); beside_config_path[MAX_STRING-1]=0; | |
| if(!(rsplit(beside_config_path, '/') || rsplit(beside_config_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| beside_config_path[0]='.'; beside_config_path[1]=0; | |
| } | |
| char file_spec[MAX_STRING]; | char file_spec[MAX_STRING]; |
| strncpy(file_spec, argv0, MAX_STRING-1); file_spec[MAX_STRING-1]=0; // filespec of my binary | snprintf(file_spec, MAX_STRING, "%s/parser3.log", beside_config_path); |
| rsplit(file_spec, '/'); rsplit(file_spec, '\\');// strip filename | |
| strcat(file_spec, "/parser3.log"); | |
| f=fopen(file_spec, "at"); | f=fopen(file_spec, "at"); |
| opened=f!=0; | |
| } | } |
| opened=f!=0; | // fallback to stderr |
| if(!opened) | if(!opened) |
| f=stderr; | f=stderr; |
| // use no memory [so that we could log out-of-memory error] | |
| setbuf(f, 0); // stderr stream is unbuffered by default, but still... | |
| // prefix | // prefix |
| time_t t=time(0); | time_t t=time(0); |
| const char *stamp=ctime(&t); | if(const char* stamp=ctime(&t)) { // never saw that |
| fprintf(f, "[%.*s] ", strlen(stamp)-1, stamp); | if(size_t len=strlen(stamp)) // saw once stamp being ="" |
| fprintf(f, "[%.*s] [%u] ", (int)len-1, stamp, (unsigned int)getpid() ); | |
| } | |
| // message | // message |
| char buf[MAX_STRING]; | char buf[MAX_LOG_STRING]; |
| size_t size=vsnprintf(buf, MAX_STRING, fmt, args); | size_t size=vsnprintf(buf, MAX_LOG_STRING, fmt, args); |
| remove_crlf(buf, buf+size); | size=remove_crlf(buf, buf+size); |
| fwrite(buf, size, 1, f); | fwrite(buf, size, 1, f); |
| // newline | |
| fprintf(f, "\n"); | if(request_info.method) { |
| 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); | |
| } else | |
| fputs(" [no request info]\n", f); | |
| if(opened) | if(opened) |
| fclose(f); | fclose(f); |
| Line 110 static void log(const char *fmt, va_list | Line 115 static void log(const char *fmt, va_list |
| fflush(f); | fflush(f); |
| } | } |
| // appends to parser3.log located beside my binary if openable, to stderr otherwize | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| void SAPI::log(Pool& , const char *fmt, ...) { | static void log(const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args,fmt); | va_start(args,fmt); |
| ::log(fmt, args); | log(fmt, args); |
| va_end(args); | va_end(args); |
| } | } |
| void SAPI::die(const char *fmt, ...) { | |
| #ifdef DEBUG_POOL_MALLOC | |
| extern void log_pool_stats(Pool& pool); | |
| log_pool_stats(pool); | |
| #endif | #endif |
| va_list args; | // appends to parser3.log located next to the executable if openable, to stderr otherwize |
| void SAPI::log(SAPI_Info&, const char* fmt, ...) { | |
| va_list args; | |
| va_start(args,fmt); | va_start(args,fmt); |
| // log | |
| // logging is more important than user | |
| // she can cancel download, we'd get SIG_PIPE, | |
| // nothing would be logged then | |
| ::log(fmt, args); | ::log(fmt, args); |
| // inform user | |
| char body[MAX_STRING]; | |
| int content_length=vsnprintf(body, MAX_STRING, fmt, args); | |
| va_end(args); | va_end(args); |
| } | |
| // prepare header | void SAPI::die(const char* fmt, ...) { |
| // let's be honest, that's bad we couldn't produce valid output | va_list args; |
| SAPI::add_header_attribute(pool, "status", "500"); | |
| SAPI::add_header_attribute(pool, "content-type", "text/plain"); | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length); | |
| SAPI::add_header_attribute(pool, "content-length", content_length_cstr); | |
| // send header | // logging first, first vsnprintf |
| SAPI::send_header(pool); | va_start(args,fmt); |
| ::log(fmt, args); | |
| va_end(args); | |
| // body | // inform user, second vsnprintf |
| SAPI::send_body(pool, body, content_length); | va_start(args, fmt); |
| char message[MAX_STRING]; | |
| vsnprintf(message, MAX_STRING, fmt, args); | |
| SAPI::send_error(*sapiInfo, message); | |
| exit(1); | exit(1); |
| // va_end(args); | |
| } | } |
| const char *SAPI::get_env(Pool& , const char *name) { | char* SAPI::Env::get(SAPI_Info& info, const char* name) { |
| return getenv(name); | return info.get_env(name); |
| } | } |
| size_t SAPI::read_post(Pool& , char *buf, size_t max_bytes) { | bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) { |
| size_t read_size=0; | return info.set_env(name, value); |
| do { | |
| int chunk_size=read(fileno(stdin), | |
| buf+read_size, min(READ_POST_CHUNK_SIZE, max_bytes-read_size)); | |
| if(chunk_size<=0) | |
| break; | |
| read_size+=chunk_size; | |
| } while(read_size<max_bytes); | |
| return read_size; | |
| } | } |
| void SAPI::add_header_attribute(Pool& , const char *key, const char *value) { | const char* const *SAPI::Env::get(SAPI_Info& info) { |
| if(cgi) | return info.get_env(); |
| printf("%s: %s\n", key, value); | |
| } | } |
| /// @todo intelligent cache-control | size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) { |
| void SAPI::send_header(Pool& ) { | return info.read_post(buf, max_bytes); |
| if(cgi) { | } |
| // puts("expires: Fri, 23 Mar 2001 09:32:23 GMT"); | |
| // header | body delimiter | void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) { |
| puts(""); | info.add_header_attribute(dont_store_key, dont_store_value); |
| } | |
| } | } |
| void SAPI::send_body(Pool& , const void *buf, size_t size) { | void SAPI::send_header(SAPI_Info& info) { |
| stdout_write(buf, size); | info.send_header(); |
| } | } |
| // | size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) { |
| return info.send_body(buf, size); | |
| } | |
| void full_file_spec(const char *file_name, char *buf, size_t buf_size) { | static void full_file_spec(const char* file_name, char *buf, size_t buf_size) { |
| if(file_name) | if(file_name[0]=='/' |
| if(file_name[0]=='/' | |
| #ifdef WIN32 | #ifdef WIN32 |
| || (file_name[0] && file_name[1]==':') | || file_name[0] && file_name[1]==':' |
| #endif | #endif |
| ) | ){ |
| strncpy(buf, file_name, buf_size); | strncpy(buf, file_name, buf_size-1); buf[buf_size-1]=0; |
| else { | } else { |
| char cwd[MAX_STRING]; getcwd(cwd, MAX_STRING); | char cwd[MAX_STRING]; |
| snprintf(buf, buf_size, "%s/%s", cwd, file_name); | snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? cwd : "", file_name); |
| } | } |
| else | |
| buf[0]=0; | |
| #ifdef WIN32 | #ifdef WIN32 |
| back_slashes_to_slashes(buf); | back_slashes_to_slashes(buf); |
| #endif | #endif |
| } | } |
| /** | static void log_signal(const char* signal_name) { |
| main workhorse | SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after"); |
| } | |
| @todo | #ifdef SIGUSR1 |
| IIS: remove trailing default-document[index.html] from $request.uri. | static void SIGUSR1_handler(int /*sig*/){ |
| to do that we need to consult metabase, | log_signal("SIGUSR1"); |
| wich is tested but seems slow. | } |
| IIS5 todo find out proper 'illegal call' check | #endif |
| */ | |
| void real_parser_handler( | #ifdef SIGPIPE |
| const char *filespec_to_process, | #define SIGPIPE_NAME "SIGPIPE" |
| const char *request_method, bool header_only) { | static const String sigpipe_name(SIGPIPE_NAME); |
| // init socks | static void SIGPIPE_handler(int /*sig*/){ |
| init_socks(pool); | Value* sigpipe=0; |
| if(request) | |
| // init global classes | sigpipe=request->main_class.get_element(sigpipe_name); |
| init_methoded_array(pool); | if(sigpipe && sigpipe->as_bool()) |
| // init global variables | log_signal(SIGPIPE_NAME); |
| pa_globals_init(pool); | |
| if(request) | |
| request->set_skip(Request::SKIP_INTERRUPTED); | |
| } | |
| #endif | |
| #ifdef WIN32 | |
| const char* maybe_reconstruct_IIS_status_in_qs(const char* original) { | |
| // 404;http://servername/page[?param=value...] | |
| // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser | |
| // and can consider that as an indication that this is IIS way to report errors | |
| if(original && isdigit((unsigned char)original[0]) && isdigit((unsigned char)original[1]) && isdigit((unsigned char)original[2]) && original[3]==';'){ | |
| size_t original_len=strlen(original); | |
| char* reconstructed=new(PointerFreeGC) char[original_len +12/*IIS-STATUS=&*/ +14/*IIS-DOCUMENT=&*/ +1]; | |
| char* cur=reconstructed; | |
| memcpy(cur, "IIS-STATUS=", 11); cur+=11; | |
| memcpy(cur, original, 3); cur+=3; | |
| *cur++='&'; | |
| const char* qmark_at=strchr(original, '?'); | |
| memcpy(cur, "IIS-DOCUMENT=", 13); cur+=13; | |
| { | |
| size_t value_len=(qmark_at ? qmark_at-original : original_len)-4; | |
| memcpy(cur, original+4, value_len); cur+=value_len; | |
| } | |
| if(qmark_at) { | |
| *cur++='&'; | |
| strcpy(cur, qmark_at+1/*skip ? itself*/); | |
| } else | |
| *cur=0; | |
| return reconstructed; | |
| } | |
| return original; | |
| } | |
| #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) maybe_reconstruct_IIS_status_in_qs(s) | |
| #else | |
| #define MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(s) s | |
| #endif | |
| class RequestController { | |
| public: | |
| RequestController(Request* r){ | |
| ::request=r; | |
| } | |
| ~RequestController(){ | |
| ::request=0; | |
| } | |
| }; | |
| static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection){ | |
| connection.read_header(); | |
| info.populate_env(); | |
| // connection request info, still global for correct log() reporting | |
| memset(&request_info, 0, sizeof(request_info)); | |
| char document_root_buf[MAX_STRING]; | |
| full_file_spec("", document_root_buf, sizeof(document_root_buf)); | |
| request_info.document_root = document_root_buf; | |
| request_info.path_translated = filespec_to_process; | |
| request_info.method = connection.method(); | |
| request_info.query_string = connection.query(); | |
| request_info.uri = request_info.strip_absolute_uri(connection.uri()); | |
| request_info.content_type = connection.content_type(); | |
| request_info.content_length = connection.content_length(); | |
| request_info.cookie = info.get_env("HTTP_COOKIE"); | |
| request_info.mail_received = false; | |
| request_info.argv = argv_all; | |
| // prepare to process request | |
| Request request(info, request_info, String::Language(String::L_HTML|String::L_OPTIMIZE_BIT)); | |
| { | |
| // initing ::request ptr for signal handlers | |
| RequestController rc(&request); | |
| // process the request | |
| request.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0, String("httpd-main")); | |
| // clearing ::request in RequestController desctructor to prevent signal handlers from accessing invalid memory | |
| } | |
| } | |
| static void httpd_mode(){ | |
| int sock = HTTPD_Server::bind(httpd_host_port); | |
| while(1){ | |
| try { | |
| HTTPD_Connection connection; | |
| if(!connection.accept(sock, 5)) | |
| continue; | |
| SAPI_Info_HTTPD info(connection); | |
| try { // connection try | |
| connection_handler(info, connection); | |
| } catch(const Exception& e) { // exception in connection handling or unhandled exception | |
| SAPI::log(info, "%s", e.comment()); | |
| SAPI::send_error(info, e.comment(), info.exception_http_status(e.type())); | |
| } | |
| // closing connection socket in HTTPD_Connection destructor | |
| } catch(const Exception& e) { // exception in accept or send_error | |
| SAPI::log(*sapiInfo, "%s", e.comment()); | |
| } | |
| } | |
| } | |
| /** main workhorse */ | |
| static void real_parser_handler() { | |
| // init libraries | |
| pa_globals_init(); | |
| if(httpd_host_port){ | |
| httpd_mode(); | |
| } | |
| const char* request_method=getenv("REQUEST_METHOD"); | |
| if(!filespec_to_process) | if(!filespec_to_process) |
| SAPI::die("Parser/%s", PARSER_VERSION); | SAPI::die("Parser/%s", PARSER_VERSION); |
| // Request info | |
| Request::Info request_info; | |
| char document_root_buf[MAX_STRING]; | char document_root_buf[MAX_STRING]; |
| // global request info | |
| request_info.path_translated = filespec_to_process; | |
| request_info.method = request_method ? request_method : "GET"; | |
| request_info.query_string = MAYBE_RECONSTRUCT_IIS_STATUS_IN_QS(getenv("QUERY_STRING")); | |
| if(cgi) { | if(cgi) { |
| if(const char *env_document_root=SAPI::get_env(pool, "DOCUMENT_ROOT")) | // obligatory |
| request_info.document_root=env_document_root; | const char* path_info=getenv("PATH_INFO"); |
| else if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) { | if(!path_info) |
| // IIS | SAPI::die("CGI: illegal call (missing PATH_INFO)"); |
| size_t len=min(sizeof(document_root_buf)-1, strlen(filespec_to_process)-strlen(path_info)); | |
| memcpy(document_root_buf, filespec_to_process, len); document_root_buf[len]=0; | request_info.document_root = getenv("DOCUMENT_ROOT"); |
| request_info.document_root=document_root_buf; | if(!request_info.document_root) { |
| } else | // IIS or fcgiwrap minimalistic setup |
| throw Exception("parser.runtime", | ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info); |
| 0, | if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0) |
| "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)"); | SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)"); |
| } else { | |
| full_file_spec("", document_root_buf, sizeof(document_root_buf)); | char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/]; |
| request_info.document_root=document_root_buf; | memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0; |
| } | request_info.document_root = document_root; |
| request_info.path_translated=filespec_to_process; | } |
| request_info.method=request_method ? request_method : "GET"; | |
| const char *query_string=SAPI::get_env(pool, "QUERY_STRING"); | request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI")); |
| request_info.query_string=query_string; | if(request_info.uri) { // apache & others stuck to standards |
| if(cgi) { | // another obligatory |
| if(const char *env_request_uri=SAPI::get_env(pool, "REQUEST_URI")) | const char* script_name = getenv("SCRIPT_NAME"); |
| request_info.uri=env_request_uri; | if(!script_name) |
| else if(const char *path_info=SAPI::get_env(pool, "PATH_INFO")) | SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); |
| if(query_string) { | /* |
| char *reconstructed_uri=(char *)pool.malloc( | http://parser3/env.html?123 =OK |
| strlen(path_info)+1/*'?'*/+ | $request:uri=/env.html?123 |
| strlen(query_string)+1/*0*/); | REQUEST_URI='/env.html?123' |
| SCRIPT_NAME='/cgi-bin/parser3' | |
| PATH_INFO='/env.html' | |
| http://parser3/cgi-bin/parser3/env.html?123 =ERROR | |
| $request:uri=/cgi-bin/parser3/env.html?123 | |
| REQUEST_URI='/cgi-bin/parser3/env.html?123' | |
| SCRIPT_NAME='/cgi-bin/parser3' | |
| PATH_INFO='/env.html' | |
| */ | |
| size_t script_name_len = strlen(script_name); | |
| size_t uri_len = strlen(request_info.uri); | |
| if(strncmp(request_info.uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same | |
| SAPI::die("CGI: illegal call (1)"); | |
| } else { // fcgiwrap minimalistic setup | |
| if(request_info.query_string && *request_info.query_string) { | |
| char* reconstructed_uri = new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(request_info.query_string) + 1/*0*/]; | |
| strcpy(reconstructed_uri, path_info); | strcpy(reconstructed_uri, path_info); |
| strcat(reconstructed_uri, "?"); | strcat(reconstructed_uri, "?"); |
| strcat(reconstructed_uri, query_string); | strcat(reconstructed_uri, request_info.query_string); |
| request_info.uri=reconstructed_uri; | request_info.uri = reconstructed_uri; |
| } else | } else |
| request_info.uri=path_info; | request_info.uri = path_info; |
| else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "CGI: no PATH_INFO defined(in reinventing REQUEST_URI)"); | |
| #ifndef WIN32 | |
| // they've changed this under IIS5. | |
| if(const char *script_name=SAPI::get_env(pool, "SCRIPT_NAME")) { | |
| size_t script_name_len=strlen(script_name); | |
| size_t uri_len=strlen(request_info.uri); | |
| if(strncmp(request_info.uri,script_name, script_name_len)==0 && | |
| script_name_len != uri_len) // under IIS they are the same | |
| SAPI::die("CGI: illegal call"); | |
| } | |
| #endif | |
| } else | |
| request_info.uri=0; | |
| request_info.content_type=SAPI::get_env(pool, "CONTENT_TYPE"); | |
| const char *content_length=SAPI::get_env(pool, "CONTENT_LENGTH"); | |
| request_info.content_length=(content_length?atoi(content_length):0); | |
| request_info.cookie=SAPI::get_env(pool, "HTTP_COOKIE"); | |
| request_info.user_agent=SAPI::get_env(pool, "HTTP_USER_AGENT"); | |
| // prepare to process request | |
| Request request(pool, | |
| request_info, | |
| #ifdef _DEBUG | |
| String::UL_HTML|String::UL_OPTIMIZE_BIT | |
| #else | |
| cgi ? String::UL_HTML|String::UL_OPTIMIZE_BIT : String::UL_AS_IS | |
| #endif | |
| , | |
| true /* status_allowed */); | |
| // some root-controlled location | |
| const char *root_config_filespec_cstr; | |
| char root_config_filespec_buf[MAX_STRING]; | |
| if(const char *root_config_by_env=getenv(PARSER_ROOT_CONFIG_ENV_NAME)) | |
| root_config_filespec_cstr=root_config_by_env; | |
| else { | |
| #ifdef ROOT_CONFIG_DIR | |
| root_config_filespec_cstr=ROOT_CONFIG_DIR "/" CONFIG_FILE_NAME; | |
| #else | |
| # ifdef WIN32 | |
| // c:\windows | |
| char windows_dir[MAX_STRING]; | |
| GetWindowsDirectory(windows_dir, MAX_STRING); | |
| snprintf(root_config_filespec_buf, MAX_STRING, | |
| "%s/%s", | |
| windows_dir, CONFIG_FILE_NAME); | |
| root_config_filespec_cstr=root_config_filespec_buf; | |
| # else | |
| #error must be compiled either configure/make or MSVC++ | |
| # endif | |
| #endif | |
| } | |
| const char *site_config_filespec_cstr; | |
| char site_config_filespec_buf[MAX_STRING]; | |
| if(const char *site_config_by_env=getenv(PARSER_SITE_CONFIG_ENV_NAME)) | |
| site_config_filespec_cstr=site_config_by_env; | |
| else { | |
| // beside by binary | |
| // @todo full path, not ./! | |
| char beside_binary_path[MAX_STRING]; | |
| strncpy(beside_binary_path, argv0, MAX_STRING-1); beside_binary_path[MAX_STRING-1]=0; // filespec of my binary | |
| if(!( | |
| rsplit(beside_binary_path, '/') || | |
| rsplit(beside_binary_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | |
| } | } |
| snprintf(site_config_filespec_buf, MAX_STRING, | } else{ |
| "%s/%s", | full_file_spec("", document_root_buf, sizeof(document_root_buf)); |
| beside_binary_path, CONFIG_FILE_NAME); | request_info.document_root = document_root_buf; |
| site_config_filespec_cstr=site_config_filespec_buf; | request_info.uri = ""; |
| } | } |
| // process the request | request_info.content_type = getenv("CONTENT_TYPE"); |
| request.core( | request_info.content_length = pa_atoul(getenv("CONTENT_LENGTH")); |
| root_config_filespec_cstr, false /*fail_on_read_problem*/, | request_info.cookie = getenv("HTTP_COOKIE"); |
| site_config_filespec_cstr, false /*fail_on_read_problem*/, | request_info.mail_received = mail_received; |
| header_only); | |
| request_info.argv = argv_all; | |
| // | |
| done_socks(); | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u", | |
| #ifdef DEBUG_POOL_MALLOC | request_info.method, |
| extern void log_pool_stats(Pool& pool); | request_info.uri, |
| log_pool_stats(pool); | request_info.query_string, |
| request_info.document_root, | |
| request_info.path_translated, | |
| request_info.cookie, | |
| request_info.content_length); | |
| #endif | #endif |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | // prepare to process request |
| SAPI::log(pool, | Request request(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| "string piece appends=%lu, wcontext_result_size=%lu, string_string_shortcut_economy_closer=%lu, total_alloc_size=%lu", | { |
| string_piece_appends, | // initing ::request ptr for signal handlers |
| wcontext_result_size, | RequestController rc(&request); |
| string_string_shortcut_economy, | // process the request |
| total_alloc_size); | request.core(config_filespec, strcasecmp(request_info.method, "HEAD")==0); |
| #endif | // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory |
| } | |
| // finalize libraries | |
| pa_globals_done(); | |
| } | } |
| void call_real_parser_handler__do_SEH( | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| const char *filespec_to_process, | static const Exception call_real_parser_handler__do_PEH_return_it() { |
| const char *request_method, bool header_only) { | try { |
| #if _MSC_VER && !defined(_DEBUG) | real_parser_handler(); |
| } catch(const Exception& e) { | |
| return e; | |
| } | |
| return Exception(); | |
| } | |
| static void call_real_parser_handler__supress_system_exception() { | |
| Exception parser_exception; | |
| LPEXCEPTION_POINTERS system_exception=0; | LPEXCEPTION_POINTERS system_exception=0; |
| __try { | __try { |
| #endif | parser_exception=call_real_parser_handler__do_PEH_return_it(); |
| real_parser_handler( | } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) { |
| filespec_to_process, | |
| request_method, header_only); | |
| #if _MSC_VER && !defined(_DEBUG) | |
| } __except ( | |
| (system_exception=GetExceptionInformation()), | |
| EXCEPTION_EXECUTE_HANDLER) { | |
| if(system_exception) | if(system_exception) |
| if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) | if(_EXCEPTION_RECORD *er=system_exception->ExceptionRecord) |
| throw Exception(0, | throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); |
| 0, | |
| "Exception 0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | |
| else | |
| throw Exception(0, 0, "Exception <no exception record>"); | |
| else | else |
| throw Exception(0, 0, "Exception <no exception information>"); | throw Exception("system", 0, "<no exception record>"); |
| else | |
| throw Exception("system", 0, "<no exception information>"); | |
| } | } |
| #endif | |
| } | |
| #if _MSC_VER | if(parser_exception) |
| int failed_new(size_t size) { | throw Exception(parser_exception); |
| SAPI::die("out of memory in 'new', failed to allocated %u bytes", size); | |
| return 0; // not reached | |
| } | } |
| #define REAL_PARSER_HANDLER call_real_parser_handler__supress_system_exception | |
| #else | |
| #define REAL_PARSER_HANDLER real_parser_handler | |
| #endif | #endif |
| #ifdef HAVE_SET_NEW_HANDLER | static void usage(const char* program) { |
| void failed_new() { | printf( |
| SAPI::die("out of memory in 'new'"); | "Parser/%s\n" |
| "Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)\n" | |
| "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" | |
| "\n" | |
| "Usage: %s [options] [file]\n" | |
| "Options are:\n" | |
| #ifdef WITH_MAILRECEIVE | |
| " -m Parse mail, put received letter to $mail:received\n" | |
| #endif | |
| " -f config_file Use this config file (/path/to/auto.p)\n" | |
| " -p [host:]port Start web server on this port\n" | |
| " -h Display usage information (this message)\n", | |
| PARSER_VERSION, | |
| program); | |
| exit(EINVAL); | |
| } | |
| static void locate_config(const char *executable_path){ | |
| if(!config_filespec) { | |
| config_filespec=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec) | |
| config_filespec=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec){ | |
| // next to the executable | |
| char beside_executable_path[MAX_STRING]; | |
| strncpy(beside_executable_path, executable_path, MAX_STRING-1); beside_executable_path[MAX_STRING-1]=0; | |
| if(!(rsplit(beside_executable_path, '/') || rsplit(beside_executable_path, '\\'))) { // strip filename | |
| // no path, just filename | |
| // @todo full path, not ./! | |
| beside_executable_path[0]='.'; beside_executable_path[1]=0; | |
| } | |
| char config_filespec_buf[MAX_STRING]; | |
| snprintf(config_filespec_buf, MAX_STRING, "%s/%s", beside_executable_path, AUTO_FILE_NAME); | |
| if(entry_exists(config_filespec_buf)) | |
| config_filespec=pa_strdup(config_filespec_buf); | |
| } | |
| } | |
| } | } |
| #endif | |
| int main(int argc, char *argv[]) { | int main(int argc, char *argv[]) { |
| // _asm int 3; | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| argv0=argv[0]; | log("main: entry"); |
| #endif | |
| umask(2); | umask(2); |
| // were we started as CGI? | // were we started as CGI? |
| cgi= | cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION"); |
| getenv("SERVER_SOFTWARE") || | sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info(); |
| getenv("SERVER_NAME") || | |
| getenv("GATEWAY_INTERFACE") || | #ifdef SIGUSR1 |
| getenv("REQUEST_METHOD"); | if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) |
| SAPI::die("Can not set handler for SIGUSR1"); | |
| if(!cgi) { | #endif |
| if(argc<2) { | #ifdef SIGPIPE |
| printf( | if(signal(SIGPIPE, SIGPIPE_handler)==SIG_ERR) |
| "Parser/%s Copyright(c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)\n" | SAPI::die("Can not set handler for SIGPIPE"); |
| "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" | #endif |
| "\n" | |
| "Usage: %s <file>\n", | char *raw_filespec_to_process = NULL; |
| PARSER_VERSION, | if(cgi) { |
| argv0?argv0:"parser3"); | raw_filespec_to_process=getenv("PATH_TRANSLATED"); |
| return 1; | argv_all=argv + 1; |
| } else { | |
| int optind=1; | |
| while(optind < argc){ | |
| char *carg = argv[optind]; | |
| if(carg[0] != '-') | |
| break; | |
| for(size_t k = 1; k < strlen(carg); k++){ | |
| char c = carg[k]; | |
| switch (c) { | |
| case 'h': | |
| usage(argv[0]); | |
| break; | |
| case 'f': | |
| if(optind < argc - 1){ | |
| optind++; | |
| config_filespec=argv[optind]; | |
| } | |
| break; | |
| case 'p': | |
| if(optind < argc - 1){ | |
| optind++; | |
| httpd_host_port=argv[optind]; | |
| } | |
| break; | |
| #ifdef WITH_MAILRECEIVE | |
| case 'm': | |
| mail_received=true; | |
| break; | |
| #endif | |
| default: | |
| fprintf(stderr, "%s: invalid option '%c'\n", argv[0], c); | |
| usage(argv[0]); | |
| break; | |
| } | |
| } | |
| optind++; | |
| } | |
| if (optind > argc - 1) { | |
| if(!httpd_host_port) { | |
| fprintf(stderr, "%s: file not specified\n", argv[0]); | |
| usage(argv[0]); | |
| } | |
| } else { | |
| raw_filespec_to_process=argv[optind]; | |
| } | |
| if (httpd_host_port && mail_received) { | |
| fprintf(stderr, "%s: -p and -m options should not be used together\n", argv[0]); | |
| usage(argv[0]); | |
| } | } |
| argv_all=argv + optind; | |
| } | } |
| #ifdef WIN32 | #ifdef _MSC_VER |
| setmode(fileno(stdin), _O_BINARY); | setmode(fileno(stdin), _O_BINARY); |
| setmode(fileno(stdout), _O_BINARY); | setmode(fileno(stdout), _O_BINARY); |
| setmode(fileno(stderr), _O_BINARY); | setmode(fileno(stderr), _O_BINARY); |
| #endif | #endif |
| #if _MSC_VER | #if defined(_MSC_VER) && defined(_DEBUG) |
| _set_new_handler(failed_new); | |
| #ifdef _DEBUG | |
| // Get current flag | // Get current flag |
| int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG ); | int tmpFlag = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG ); |
| Line 467 int main(int argc, char *argv[]) { | Line 608 int main(int argc, char *argv[]) { |
| // Set flag to the new value | // Set flag to the new value |
| _CrtSetDbgFlag( tmpFlag ); | _CrtSetDbgFlag( tmpFlag ); |
| // _CrtSetBreakAlloc(471); | |
| #endif | |
| _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE ); | |
| _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); | |
| #endif | #endif |
| #ifdef HAVE_SET_NEW_HANDLER | char filespec_to_process_buf[MAX_STRING]; |
| std::set_new_handler(failed_new); | if(raw_filespec_to_process && *raw_filespec_to_process){ |
| #endif | full_file_spec(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf)); |
| filespec_to_process=filespec_to_process_buf; | |
| char *raw_filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; | } |
| char filespec_to_process[MAX_STRING]; | |
| full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); | |
| const char *request_method=getenv("REQUEST_METHOD"); | locate_config(argv[0]); |
| bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; | |
| try { // global try | try { // global try |
| call_real_parser_handler__do_SEH( | REAL_PARSER_HANDLER(); |
| filespec_to_process, | } catch(const Exception& e) { // exception in unhandled exception |
| request_method, header_only); | SAPI::die("%s", e.comment()); |
| } catch(const Exception& e) { // global problem | |
| // don't allocate anything on pool here: | |
| // possible pool' exception not catch-ed now | |
| // and there could be out-of-memory exception | |
| SAPI::die("exception in request exception handler: %s", e.comment()); | |
| #ifndef _DEBUG | |
| } catch(...) { | |
| SAPI::die("<unknown exception>"); | |
| #endif | |
| } | } |
| #ifndef WIN32 | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| // | log("main: successful return"); |
| if(!cgi) | |
| SAPI::send_body(pool, "\n", 1); | |
| #endif | #endif |
| //_asm int 3; | return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0; |
| return 0; | |
| } | } |