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| version 1.276, 2017/01/13 13:50:29 | version 1.309, 2020/11/13 21:33:12 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: scripting and CGI main. | Parser: scripting and CGI main. |
| Copyright (c) 2001-2015 Art. Lebedev Studio (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) |
| */ | */ |
| Line 13 volatile const char * IDENT_PARSER3_C="$ | Line 13 volatile const char * IDENT_PARSER3_C="$ |
| #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 "pa_vconsole.h" | #include "pa_vconsole.h" |
| #include "pa_sapi_info.h" | |
| #ifdef _MSC_VER | #ifdef _MSC_VER |
| #include <crtdbg.h> | #include <crtdbg.h> |
| Line 26 volatile const char * IDENT_PARSER3_C="$ | Line 26 volatile const char * IDENT_PARSER3_C="$ |
| // defines | // defines |
| // comment remove me after debugging | // comment remove me after debugging |
| //#define PA_DEBUG_CGI_ENTRY_EXIT "c:\\parser\\debug-parser3.log" | //#define PA_DEBUG_CGI_ENTRY_EXIT "parser3-debug.log" |
| #if _MSC_VER && !defined(_DEBUG) | #if defined(_MSC_VER) && !defined(_DEBUG) |
| # define PA_SUPPRESS_SYSTEM_EXCEPTION | # define PA_SUPPRESS_SYSTEM_EXCEPTION |
| #endif | #endif |
| Line 38 volatile const char * IDENT_PARSER3_C="$ | Line 38 volatile const char * IDENT_PARSER3_C="$ |
| #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" | #define PARSER_CONFIG_ENV_NAME "CGI_PARSER_CONFIG" |
| #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" | #define PARSER_LOG_ENV_NAME "CGI_PARSER_LOG" |
| /// IIS refuses to read bigger chunks | static const char* filespec_to_process=0; // [file] |
| const size_t READ_POST_CHUNK_SIZE=0x400*0x400; // 1M | static const char* config_filespec_cstr=0; // -f option |
| static const char* httpd_host_port=0; // -p option | |
| static const char* argv0; | static bool mail_received=false; // -m option? [asked to parse incoming message to $mail:received] |
| static const char* config_filespec_cstr=0; | |
| static bool fail_on_config_read_problem=true; | |
| static int args_skip=1; | static int args_skip=1; |
| static char** argv_all = NULL; | static char** argv_all = NULL; |
| static bool cgi; ///< we were started as CGI? | static bool cgi; ///< we were started as CGI? |
| static bool mail_received=false; ///< we were started with -m option? [asked to parse incoming message to $mail:received] | |
| // for signal handlers | // for signal handlers |
| Request *request=0; | Request *request=0; |
| Request_info *request_info=0; | |
| bool execution_canceled=false; | |
| // SAPI | // for die error logging |
| static Request_info request_info; | |
| class SAPI_Info { | // SAPI |
| public: | |
| int http_response_code; | |
| } SAPI_info = { 0 }; | |
| static void log(const char* fmt, va_list args) { | static void log(const char* fmt, va_list args) { |
| bool opened=false; | bool opened=false; |
| Line 112 static void log(const char* fmt, va_list | Line 105 static void log(const char* fmt, va_list |
| size=remove_crlf(buf, buf+size); | size=remove_crlf(buf, buf+size); |
| fwrite(buf, size, 1, f); | fwrite(buf, size, 1, f); |
| if(request_info) | if(request_info.method) { |
| fprintf(f, " [uri=%s, method=%s, cl=%lu]", | 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); |
| request_info->uri? request_info->uri: "<unknown>", | } else |
| request_info->method? request_info->method: "<unknown>", | fputs(" [no request info]\n", f); |
| request_info->content_length); | |
| else | |
| fputs(" [no request info]", f); | |
| // newline | |
| fputs("\n", f); | |
| if(opened) | if(opened) |
| fclose(f); | fclose(f); |
| Line 146 void SAPI::log(SAPI_Info&, const char* f | Line 133 void SAPI::log(SAPI_Info&, const char* f |
| va_end(args); | va_end(args); |
| } | } |
| static void die_or_abort(const char* fmt, va_list args, bool write_core) { | |
| // inform user | |
| char body[MAX_STRING]; | |
| int content_length=vsnprintf(body, MAX_STRING, fmt, args); | |
| // prepare header | |
| // let's be honest, that's bad we couldn't produce valid output | |
| // capitalized headers passed for preventing malloc during capitalization | |
| SAPI::add_header_attribute(SAPI_info, HTTP_STATUS_CAPITALIZED, "500"); | |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain"); | |
| // don't use 'format' function because it calls malloc | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, sizeof(content_length_cstr), "%u", content_length); | |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr); | |
| // send header | |
| SAPI::send_header(SAPI_info); | |
| // body | |
| SAPI::send_body(SAPI_info, body, content_length); | |
| // exit & try to produce core dump[unix] or invoke debugger[Win32 Debug version] | |
| if(write_core) { | |
| #ifdef WIN32 | |
| // IIS with abort failes to show STDOUT, it just barks "abnormal program termination" | |
| exit(1); | |
| #else | |
| abort(); | |
| #endif | |
| } else | |
| exit(1); | |
| } | |
| void SAPI::die(const char* fmt, ...) { | void SAPI::die(const char* fmt, ...) { |
| va_list args; | va_list args; |
| // logging first, can't log inside die_or_abort due to vsnprintf (bug #106) | // logging first, first vsnprintf |
| va_start(args,fmt); | va_start(args,fmt); |
| ::log(fmt, args); | ::log(fmt, args); |
| va_end(args); | va_end(args); |
| // inform user, second vsnprintf | |
| va_start(args, fmt); | va_start(args, fmt); |
| die_or_abort(fmt, args, false /*write core?*/); | char message[MAX_STRING]; |
| // va_end(args); | vsnprintf(message, MAX_STRING, fmt, args); |
| } | |
| void SAPI::abort(const char* fmt, ...) { | |
| va_list args; | |
| // logging first, can't log inside die_or_abort due to vsnprintf (bug #106) | |
| va_start(args,fmt); | |
| ::log(fmt, args); | |
| va_end(args); | |
| va_start(args, fmt); | SAPI::send_error(*sapiInfo, message); |
| die_or_abort(fmt, args, true /*write core?*/); | exit(1); |
| // va_end(args); | // va_end(args); |
| } | } |
| char* SAPI::Env::get(SAPI_Info& , const char* name) { | char* SAPI::Env::get(SAPI_Info& info, const char* name) { |
| if(char *local=getenv(name)) | return info.get_env(name); |
| return pa_strdup(local); | |
| else | |
| return 0; | |
| } | } |
| const char* const *SAPI::Env::get(SAPI_Info&) { | bool SAPI::Env::set(SAPI_Info& info, const char* name, const char* value) { |
| #ifdef _MSC_VER | return info.set_env(name, value); |
| extern char **_environ; | |
| return _environ; | |
| #else | |
| extern char **environ; | |
| return environ; | |
| #endif | |
| } | } |
| size_t SAPI::read_post(SAPI_Info& , char *buf, size_t max_bytes) { | const char* const *SAPI::Env::get(SAPI_Info& info) { |
| size_t read_size=0; | return info.get_env(); |
| do { | } |
| ssize_t 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; | size_t SAPI::read_post(SAPI_Info& info, char *buf, size_t max_bytes) { |
| return info.read_post(buf, max_bytes); | |
| } | } |
| void SAPI::add_header_attribute(SAPI_Info& , const char* dont_store_key, const char* dont_store_value) { | void SAPI::add_header_attribute(SAPI_Info& info, const char* dont_store_key, const char* dont_store_value) { |
| if(strcasecmp(dont_store_key, HTTP_STATUS)==0) | info.add_header_attribute(dont_store_key, dont_store_value); |
| SAPI_info.http_response_code=atoi(dont_store_value); | |
| if( cgi && (!request || !request->console.was_used()) ) | |
| printf("%s: %s\n", capitalize(dont_store_key), dont_store_value); | |
| } | } |
| void SAPI::send_header(SAPI_Info& ) { | void SAPI::send_header(SAPI_Info& info) { |
| if(cgi) { | info.send_header(); |
| puts(""); | |
| } | |
| } | } |
| size_t SAPI::send_body(SAPI_Info& , const void *buf, size_t size) { | size_t SAPI::send_body(SAPI_Info& info, const void *buf, size_t size) { |
| return stdout_write(buf, size); | return info.send_body(buf, size); |
| } | } |
| static 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]; | char cwd[MAX_STRING]; |
| snprintf(buf, buf_size, "%s/%s", getcwd(cwd, MAX_STRING) ? 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) { | static void log_signal(const char* signal_name) { |
| if(request_info) | SAPI::log(*sapiInfo, "%s received %s processing request", signal_name, request ? "while" : "before or after"); |
| SAPI::log(SAPI_info, "%s received while %s. uri=%s, method=%s, cl=%u", | |
| signal_name, | |
| request ? "executing code" : "reading data", | |
| request_info->uri, | |
| request_info->method, | |
| request_info->content_length); | |
| else | |
| SAPI::log(SAPI_info, "%s received before or after processing request", | |
| signal_name); | |
| } | } |
| #ifdef SIGUSR1 | #ifdef SIGUSR1 |
| Line 300 static void SIGPIPE_handler(int /*sig*/) | Line 215 static void SIGPIPE_handler(int /*sig*/) |
| if(sigpipe && sigpipe->as_bool()) | if(sigpipe && sigpipe->as_bool()) |
| log_signal(SIGPIPE_NAME); | log_signal(SIGPIPE_NAME); |
| execution_canceled=true; | |
| if(request) | if(request) |
| request->set_skip(Request::SKIP_INTERRUPTED); | request->set_skip(Request::SKIP_INTERRUPTED); |
| } | } |
| #endif | #endif |
| #ifdef WIN32 | #ifdef WIN32 |
| const char* maybe_reconstruct_IIS_status_in_qs(const char* original) | const char* maybe_reconstruct_IIS_status_in_qs(const char* original) { |
| { | |
| // 404;http://servername/page[?param=value...] | // 404;http://servername/page[?param=value...] |
| // ';' should be urlencoded by HTTP standard, so we shouldn't get it from browser | // ';' 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 | // and can consider that as an indication that this is IIS way to report errors |
| Line 339 const char* maybe_reconstruct_IIS_status | Line 252 const char* maybe_reconstruct_IIS_status |
| return original; | 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 | #endif |
| Line 352 public: | Line 269 public: |
| } | } |
| }; | }; |
| static bool locate_config(){ | |
| if(!config_filespec_cstr) { | |
| config_filespec_cstr=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec_cstr) | |
| config_filespec_cstr=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(!config_filespec_cstr){ | |
| // beside by binary | |
| char beside_binary_path[MAX_STRING]; | |
| strncpy(beside_binary_path, argv_all[0], 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 | |
| // @todo full path, not ./! | |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | |
| } | |
| char config_filespec_buf[MAX_STRING]; | |
| snprintf(config_filespec_buf, MAX_STRING, "%s/%s", beside_binary_path, AUTO_FILE_NAME); | |
| config_filespec_cstr=pa_strdup(config_filespec_buf); | |
| return entry_exists(config_filespec_cstr); | |
| } | |
| } | |
| return true; | |
| } | |
| /** | static void connection_handler(SAPI_Info_HTTPD &info, HTTPD_Connection &connection){ |
| main workhorse | connection.read_header(); |
| info.populate_env(); | |
| @todo | // connection request info, still global for correct log() reporting |
| IIS: remove trailing default-document[index.html] from $request.uri. | memset(&request_info, 0, sizeof(request_info)); |
| to do that we need to consult metabase, | |
| wich is tested but seems slow. | char document_root_buf[MAX_STRING]; |
| */ | full_file_spec("", document_root_buf, sizeof(document_root_buf)); |
| static void real_parser_handler(const char* filespec_to_process, const char* request_method, bool header_only) { | request_info.document_root = document_root_buf; |
| // init socks | request_info.path_translated = filespec_to_process; |
| pa_socks_init(); | 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 + args_skip; | |
| // 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, we need @httpd-main in auto.p if filespec_to_process not specified | |
| request.core(locate_config() || !filespec_to_process ? config_filespec_cstr : NULL, 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); | |
| // init global variables | 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(); | pa_globals_init(); |
| if(httpd_host_port){ | |
| httpd_mode(); | |
| } | |
| const char* request_method=getenv("REQUEST_METHOD"); | |
| if(!filespec_to_process) | |
| SAPI::die("Parser/%s", PARSER_VERSION); | |
| if(!filespec_to_process || !*filespec_to_process) | |
| SAPI::die("Parser/%s" | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | |
| " with entry/exit tracing" | |
| #endif | |
| , PARSER_VERSION); | |
| // Request info | |
| Request_info request_info; memset(&request_info, 0, sizeof(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=getenv("DOCUMENT_ROOT")) | // obligatory |
| request_info.document_root=env_document_root; | |
| else if(const char* path_info=getenv("PATH_INFO")) { | |
| // IIS | |
| 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=document_root_buf; | |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, "CGI: no PATH_INFO defined(in reinventing DOCUMENT_ROOT)"); | |
| } else { | |
| 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=request_method ? request_method : "GET"; | |
| const char* query_string= | |
| #ifdef WIN32 | |
| maybe_reconstruct_IIS_status_in_qs | |
| #endif | |
| (getenv("QUERY_STRING")); | |
| request_info.query_string=query_string; | |
| if(cgi) { | |
| // few absolute obligatory | |
| const char* path_info=getenv("PATH_INFO"); | const char* path_info=getenv("PATH_INFO"); |
| if(!path_info) | if(!path_info) |
| SAPI::die("CGI: illegal call (missing PATH_INFO)"); | SAPI::die("CGI: illegal call (missing PATH_INFO)"); |
| const char* script_name=getenv("SCRIPT_NAME"); | |
| if(!script_name) | request_info.document_root = getenv("DOCUMENT_ROOT"); |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | if(!request_info.document_root) { |
| // IIS or fcgiwrap minimalistic setup | |
| const char* env_request_uri=request_info.strip_absolute_uri(getenv("REQUEST_URI")); | ssize_t prefix_len = strlen(filespec_to_process) - strlen(path_info); |
| if(env_request_uri) | if(prefix_len < 0 || strcmp(filespec_to_process + prefix_len, path_info) != 0) |
| request_info.uri=env_request_uri; | SAPI::die("CGI: illegal call (invalid PATH_INFO in reinventing DOCUMENT_ROOT)"); |
| else | |
| if(query_string) { | char* document_root = new(PointerFreeGC) char[prefix_len + 1/*0*/]; |
| char* reconstructed_uri=new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(query_string) + 1/*0*/]; | memcpy(document_root, filespec_to_process, prefix_len); document_root[prefix_len] = 0; |
| strcpy(reconstructed_uri, path_info); | request_info.document_root = document_root; |
| strcat(reconstructed_uri, "?"); | } |
| strcat(reconstructed_uri, query_string); | |
| request_info.uri=reconstructed_uri; | |
| } else | |
| request_info.uri=path_info; | |
| if(env_request_uri) { // apache & others stuck to standards | request_info.uri = request_info.strip_absolute_uri(getenv("REQUEST_URI")); |
| if(request_info.uri) { // apache & others stuck to standards | |
| // another obligatory | |
| const char* script_name = getenv("SCRIPT_NAME"); | |
| if(!script_name) | |
| SAPI::die("CGI: illegal call (missing SCRIPT_NAME)"); | |
| /* | /* |
| http://parser3/env.html?123 =OK | http://parser3/env.html?123 =OK |
| $request:uri=/env.html?123 | $request:uri=/env.html?123 |
| REQUEST_URI='/env.html?123' | REQUEST_URI='/env.html?123' |
| SCRIPT_NAME='/cgi-bin/parser3' | SCRIPT_NAME='/cgi-bin/parser3' |
| PATH_INFO='/env.html' | PATH_INFO='/env.html' |
| http://parser3/cgi-bin/parser3/env.html?123 =ERROR | 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 |
| REQUEST_URI='/cgi-bin/parser3/env.html?123' | REQUEST_URI='/cgi-bin/parser3/env.html?123' |
| SCRIPT_NAME='/cgi-bin/parser3' | SCRIPT_NAME='/cgi-bin/parser3' |
| PATH_INFO='/env.html' | PATH_INFO='/env.html' |
| */ | */ |
| size_t script_name_len=strlen(script_name); | size_t script_name_len = strlen(script_name); |
| size_t uri_len=strlen(env_request_uri); | size_t uri_len = strlen(request_info.uri); |
| if(strncmp(env_request_uri, script_name, script_name_len)==0 && script_name_len != uri_len) // under IIS they are the same | 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)"); | SAPI::die("CGI: illegal call (1)"); |
| } else { // seen on IIS5 | } else { // fcgiwrap minimalistic setup |
| /* | |
| http://nestle/env.html?123 =OK | |
| $request:uri=/env.html?123 | |
| REQUEST_URI='' | |
| SCRIPT_NAME='/env.html' | |
| PATH_INFO='/env.html' | |
| http://nestle/cgi-bin/parser3.exe/env.html =ERROR | if(request_info.query_string && *request_info.query_string) { |
| $request:uri=/env.html | char* reconstructed_uri = new(PointerFreeGC) char[strlen(path_info) + 1/*'?'*/+ strlen(request_info.query_string) + 1/*0*/]; |
| REQUEST_URI='' | strcpy(reconstructed_uri, path_info); |
| SCRIPT_NAME='/cgi-bin/parser3.exe' | strcat(reconstructed_uri, "?"); |
| PATH_INFO='/env.html' | strcat(reconstructed_uri, request_info.query_string); |
| */ | request_info.uri = reconstructed_uri; |
| if(strcmp(script_name, path_info)!=0) | } else |
| SAPI::die("CGI: illegal call (2)"); | request_info.uri = path_info; |
| } | } |
| } else | } else{ |
| request_info.uri=""; | full_file_spec("", document_root_buf, sizeof(document_root_buf)); |
| request_info.document_root = document_root_buf; | |
| request_info.uri = ""; | |
| } | |
| request_info.content_type=getenv("CONTENT_TYPE"); | request_info.content_type = getenv("CONTENT_TYPE"); |
| const char* content_length=getenv("CONTENT_LENGTH"); | request_info.content_length = pa_atoul(getenv("CONTENT_LENGTH")); |
| request_info.content_length=(content_length?atoi(content_length):0); | request_info.cookie = getenv("HTTP_COOKIE"); |
| request_info.cookie=getenv("HTTP_COOKIE"); | request_info.mail_received = mail_received; |
| request_info.mail_received=mail_received; | |
| request_info.argv = argv_all + args_skip; | |
| request_info.argv=argv_all; | |
| request_info.args_skip=args_skip; | |
| // get request_info ptr for signal handlers | |
| ::request_info=&request_info; | |
| if(execution_canceled) | |
| SAPI::die("Execution canceled"); | |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u", | log("request_info: method=%s, uri=%s, q=%s, dr=%s, pt=%s, cookies=%s, cl=%u", |
| request_info.method, | request_info.method, |
| request_info.uri, | request_info.uri, |
| request_info.query_string, | request_info.query_string, |
| Line 486 static void real_parser_handler(const ch | Line 446 static void real_parser_handler(const ch |
| #endif | #endif |
| // prepare to process request | // prepare to process request |
| Request request(SAPI_info, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); | Request request(*sapiInfo, request_info, cgi ? String::Language(String::L_HTML|String::L_OPTIMIZE_BIT) : String::L_AS_IS); |
| { | { |
| // get ::request ptr for signal handlers | // initing ::request ptr for signal handlers |
| RequestController rc(&request); | RequestController rc(&request); |
| char config_filespec_buf[MAX_STRING]; | |
| if(!config_filespec_cstr) { | |
| const char* config_by_env=getenv(PARSER_CONFIG_ENV_NAME); | |
| if(!config_by_env) | |
| config_by_env=getenv(REDIRECT_PREFIX PARSER_CONFIG_ENV_NAME); | |
| if(config_by_env) | |
| config_filespec_cstr=config_by_env; | |
| else { | |
| // beside by binary | |
| 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 | |
| // @todo full path, not ./! | |
| beside_binary_path[0]='.'; beside_binary_path[1]=0; | |
| } | |
| snprintf(config_filespec_buf, MAX_STRING, "%s/%s", beside_binary_path, AUTO_FILE_NAME); | |
| config_filespec_cstr=config_filespec_buf; | |
| fail_on_config_read_problem=entry_exists(config_filespec_cstr); | |
| } | |
| } | |
| // process the request | // process the request |
| request.core(config_filespec_cstr, fail_on_config_read_problem, header_only); | request.core(locate_config() ? config_filespec_cstr : NULL, strcasecmp(request_info.method, "HEAD")==0); |
| // clearing ::request in RequestController destructor to prevent signal handlers from accessing invalid memory | |
| // ::request cleared in RequestController desctructor to prevent signal handlers from accessing invalid memory | |
| } | } |
| // finalize global variables | // finalize libraries |
| pa_globals_done(); | pa_globals_done(); |
| // | |
| pa_socks_done(); | |
| } | } |
| #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION | #ifdef PA_SUPPRESS_SYSTEM_EXCEPTION |
| static const Exception call_real_parser_handler__do_PEH_return_it(const char* filespec_to_process, const char* request_method, bool header_only){ | static const Exception call_real_parser_handler__do_PEH_return_it() { |
| try { | try { |
| real_parser_handler(filespec_to_process, request_method, header_only); | real_parser_handler(); |
| } catch(const Exception& e) { | } catch(const Exception& e) { |
| return e; | return e; |
| } | } |
| Line 538 static const Exception call_real_parser_ | Line 470 static const Exception call_real_parser_ |
| return Exception(); | return Exception(); |
| } | } |
| static void call_real_parser_handler__supress_system_exception(const char* filespec_to_process, const char* request_method, bool header_only){ | static void call_real_parser_handler__supress_system_exception() { |
| Exception parser_exception; | Exception parser_exception; |
| LPEXCEPTION_POINTERS system_exception=0; | LPEXCEPTION_POINTERS system_exception=0; |
| __try { | __try { |
| parser_exception=call_real_parser_handler__do_PEH_return_it(filespec_to_process, request_method, header_only); | parser_exception=call_real_parser_handler__do_PEH_return_it(); |
| } __except ( | } __except ( (system_exception=GetExceptionInformation()), EXCEPTION_EXECUTE_HANDLER) { |
| (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("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); | throw Exception("system", 0, "0x%08X at 0x%08X", er->ExceptionCode, er->ExceptionAddress); |
| Line 570 static void call_real_parser_handler__su | Line 498 static void call_real_parser_handler__su |
| static void usage(const char* program) { | static void usage(const char* program) { |
| printf( | printf( |
| "Parser/%s\n" | "Parser/%s\n" |
| "Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)\n" | "Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)\n" |
| "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" | "Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)\n" |
| "\n" | "\n" |
| "Usage: %s [options] file\n" | "Usage: %s [options] [file]\n" |
| "Options are:\n" | "Options are:\n" |
| #ifdef WITH_MAILRECEIVE | #ifdef WITH_MAILRECEIVE |
| " -m Parse mail, put received letter to $mail:received\n" | " -m Parse mail, put received letter to $mail:received\n" |
| #endif | #endif |
| " -f config_file Use this config file (/path/to/auto.p)\n" | " -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", | " -h Display usage information (this message)\n", |
| PARSER_VERSION, | PARSER_VERSION, |
| program); | program); |
| exit(EINVAL); | exit(EINVAL); |
| } | } |
| int main(int argc, char *argv[]) { | int main(int argc, char *argv[]) { |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: entry"); | log("main: entry"); |
| #endif | #endif |
| #ifndef PA_DEBUG_DISABLE_GC | argv_all=argv; |
| GC_java_finalization=0; | umask(2); |
| // Dont collect unless explicitly requested | |
| // this is quicker (~30% ), but less memory-efficient(~8%) | // were we started as CGI? |
| // so deciding for speed | cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION"); |
| GC_dont_gc=1; | sapiInfo = cgi ? new SAPI_Info_CGI() : new SAPI_Info(); |
| #endif | |
| #ifdef SIGUSR1 | #ifdef SIGUSR1 |
| if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) | if(signal(SIGUSR1, SIGUSR1_handler)==SIG_ERR) |
| Line 607 int main(int argc, char *argv[]) { | Line 536 int main(int argc, char *argv[]) { |
| SAPI::die("Can not set handler for SIGPIPE"); | SAPI::die("Can not set handler for SIGPIPE"); |
| #endif | #endif |
| argv_all=argv; | char *raw_filespec_to_process = NULL; |
| argv0=argv[0]; | |
| umask(2); | |
| // were we started as CGI? | |
| cgi=(getenv("SERVER_SOFTWARE") || getenv("SERVER_NAME") || getenv("GATEWAY_INTERFACE") || getenv("REQUEST_METHOD")) && !getenv("PARSER_VERSION"); | |
| char *raw_filespec_to_process; | |
| if(cgi) { | if(cgi) { |
| raw_filespec_to_process=getenv("PATH_TRANSLATED"); | raw_filespec_to_process=getenv("PATH_TRANSLATED"); |
| if(raw_filespec_to_process && !*raw_filespec_to_process) | |
| raw_filespec_to_process=0; | |
| } else { | } else { |
| int optind=1; | int optind=1; |
| while(optind < argc){ | while(optind < argc){ |
| Line 639 int main(int argc, char *argv[]) { | Line 558 int main(int argc, char *argv[]) { |
| config_filespec_cstr=argv[optind]; | config_filespec_cstr=argv[optind]; |
| } | } |
| break; | break; |
| case 'p': | |
| if(optind < argc - 1){ | |
| optind++; | |
| httpd_host_port=argv[optind]; | |
| } | |
| break; | |
| #ifdef WITH_MAILRECEIVE | #ifdef WITH_MAILRECEIVE |
| case 'm': | case 'm': |
| mail_received=true; | mail_received=true; |
| Line 654 int main(int argc, char *argv[]) { | Line 579 int main(int argc, char *argv[]) { |
| } | } |
| if (optind > argc - 1) { | if (optind > argc - 1) { |
| fprintf(stderr, "%s: file not specified\n", argv[0]); | if(!httpd_host_port) { |
| usage(argv[0]); | fprintf(stderr, "%s: file not specified\n", argv[0]); |
| usage(argv[0]); | |
| } | |
| } else { | |
| raw_filespec_to_process=argv[optind]; | |
| } | } |
| raw_filespec_to_process=argv[optind]; | |
| args_skip=optind; | args_skip=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]); | |
| } | |
| } | } |
| #ifdef _MSC_VER | #ifdef _MSC_VER |
| Line 681 int main(int argc, char *argv[]) { | Line 614 int main(int argc, char *argv[]) { |
| _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); | _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR ); |
| #endif | #endif |
| char filespec_to_process[MAX_STRING]; | char filespec_to_process_buf[MAX_STRING]; |
| full_file_spec(raw_filespec_to_process, filespec_to_process, sizeof(filespec_to_process)); | if(raw_filespec_to_process && *raw_filespec_to_process){ |
| full_file_spec(raw_filespec_to_process, filespec_to_process_buf, sizeof(filespec_to_process_buf)); | |
| const char* request_method=getenv("REQUEST_METHOD"); | filespec_to_process=filespec_to_process_buf; |
| bool header_only=request_method && strcasecmp(request_method, "HEAD")==0; | } |
| try { // global try | try { // global try |
| REAL_PARSER_HANDLER(filespec_to_process, request_method, header_only); | REAL_PARSER_HANDLER(); |
| } catch(const Exception& e) { // global problem | } catch(const Exception& e) { // exception in unhandled exception |
| // don't allocate anything on pool here: | SAPI::die("%s", e.comment()); |
| // possible pool' exception not catch-ed now | |
| // and there could be out-of-memory exception | |
| char buf[MAX_STRING]; | |
| snprintf(buf, MAX_STRING, "Unhandled exception %s", e.comment()); | |
| // log it | |
| SAPI::log(SAPI_info, "%s", buf); | |
| // | |
| int content_length=strlen(buf); | |
| // prepare header | |
| // capitalized headers are used for preventing malloc during capitalization | |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_TYPE_CAPITALIZED, "text/plain"); | |
| // don't use 'format' function because it calls malloc | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); | |
| SAPI::add_header_attribute(SAPI_info, HTTP_CONTENT_LENGTH_CAPITALIZED, content_length_cstr); | |
| // send header | |
| SAPI::send_header(SAPI_info); | |
| // send body | |
| if(!header_only) | |
| SAPI::send_body(SAPI_info, buf, content_length); | |
| // unsuccessful finish | |
| } | } |
| #ifdef PA_DEBUG_CGI_ENTRY_EXIT | #ifdef PA_DEBUG_CGI_ENTRY_EXIT |
| log("main: successful return"); | log("main: successful return"); |
| #endif | #endif |
| return SAPI_info.http_response_code < 100 ? SAPI_info.http_response_code : 0; | return sapiInfo->http_response_code < 100 ? sapiInfo->http_response_code : 0; |
| } | } |