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| version 1.11, 2001/03/14 17:15:08 | version 1.31, 2001/03/22 15:30:47 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: scripting and CGI main. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | $Id$ |
| Line 14 | Line 16 |
| #ifdef WIN32 | #ifdef WIN32 |
| # include <windows.h> | # include <windows.h> |
| # include <io.h> | # include <io.h> |
| #else | |
| # include <unistd.h> | |
| #endif | #endif |
| //\ifwin32 | |
| #include <io.h> | |
| //#include <fcntl.h> | |
| //\endifwin32 | |
| #include <stdlib.h> | #include <stdlib.h> |
| #include <stdio.h> | #include <stdio.h> |
| #include <string.h> | #include <string.h> |
| #include <fcntl.h> | #include <fcntl.h> |
| #include "pa_common.h" | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_common.h" | |
| Pool pool; // global pool | Pool pool; // global pool |
| bool cgi; ///< we were started as CGI? | |
| #ifdef WIN32 | #ifdef WIN32 |
| # if MSVC | # if _MSC_VER |
| // intercept global system errors | // intercept global system errors |
| LONG WINAPI TopLevelExceptionFilter ( | static LONG WINAPI TopLevelExceptionFilter ( |
| struct _EXCEPTION_POINTERS *ExceptionInfo | struct _EXCEPTION_POINTERS *ExceptionInfo |
| ) { | ) { |
| char buf[MAX_STRING]; | char buf[MAX_STRING]; |
| if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { | if(ExceptionInfo && ExceptionInfo->ExceptionRecord) { |
| struct _EXCEPTION_RECORD *r=ExceptionInfo->ExceptionRecord; | struct _EXCEPTION_RECORD *rr=ExceptionInfo->ExceptionRecord; |
| snprintf(buf, MAX_STRING, "Exception %#X at %p", | |
| int printed=0; | er->ExceptionCode, |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "Exception 0x%X at 0x%p", | er->ExceptionAddress); |
| r->ExceptionCode, | |
| r->ExceptionAddress); | |
| for(unsigned int i=0; i<r->NumberParameters; i++) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", 0x%X", | |
| r->ExceptionInformation[i]); | |
| } else | } else |
| strcpy(buf, "Exception <unknown>"); | strcpy(buf, "Exception <unknown>"); |
| Line 53 LONG WINAPI TopLevelExceptionFilter ( | Line 59 LONG WINAPI TopLevelExceptionFilter ( |
| return EXCEPTION_EXECUTE_HANDLER; // never reached | return EXCEPTION_EXECUTE_HANDLER; // never reached |
| } | } |
| # endif | # endif |
| #endif | #endif |
| size_t read_post(char *&buf, size_t max_bytes) { | //\if |
| return 0; | static void fix_slashes(char *s) { |
| if(s) | |
| for(; *s; s++) | |
| if(*s=='\\') | |
| *s='/'; | |
| } | |
| //\endif | |
| // service funcs | |
| static const char *get_env(Pool& pool, const char *name) { | |
| return getenv(name); | |
| } | |
| static uint read_post(char *buf, uint max_bytes) { | |
| int read_size=0; | |
| do { | |
| int chunk_size=read | |
| (fileno(stdin), buf+read_size, min(0x400*0x400, max_bytes-read_size)); | |
| if(chunk_size<0) | |
| break; | |
| read_size+=chunk_size; | |
| } while(read_size<max_bytes); | |
| return read_size; | |
| } | |
| static void add_header_attribute(const char *key, const char *value) { | |
| if(cgi) | |
| printf("%s: %s\n", key, value); | |
| } | } |
| static void send_header(const char *buf, size_t size) { | |
| if(cgi) // header | body delimiter | |
| puts(""); | |
| } | |
| static void send_body(const char *buf, size_t size) { | |
| stdout_write(buf, size); | |
| } | |
| /// Service funcs | |
| Service_funcs service_funcs={ | |
| get_env, | |
| read_post, | |
| add_header_attribute, | |
| send_header, | |
| send_body | |
| }; | |
| // main | |
| int main(int argc, char *argv[]) { | int main(int argc, char *argv[]) { |
| // Service funcs | // TODO:umask(2); |
| service_funcs.read_post=read_post; | //\#ifdef WIN32 |
| setmode(fileno(stdin), _O_BINARY); | |
| setmode(fileno(stdout), _O_BINARY); | |
| setmode(fileno(stderr), _O_BINARY); | |
| //\#endif | |
| // were we started as CGI? | // were we started as CGI? |
| bool cgi= | cgi= |
| getenv("SERVER_SOFTWARE") || | getenv("SERVER_SOFTWARE") || |
| getenv("SERVER_NAME") || | getenv("SERVER_NAME") || |
| getenv("GATEWAY_INTERFACE") || | getenv("GATEWAY_INTERFACE") || |
| Line 73 int main(int argc, char *argv[]) { | Line 134 int main(int argc, char *argv[]) { |
| if(!cgi) { | if(!cgi) { |
| if(argc<2) { | if(argc<2) { |
| char *binary=argv[0]; | char *binary=argv[0]; |
| char *name=rsplit(binary, PATH_DELIMITER_CHAR); | printf("Usage: %s <file>\n", binary?binary:"parser3"); |
| printf("Usage: %s <file>\n", name?name:"parser3"); | |
| exit(1); | exit(1); |
| } | } |
| } | } |
| const char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; | char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1]; |
| //\#ifdef WIN32 | |
| fix_slashes(filespec_to_process); | |
| //\#endif | |
| char *result; char error[MAX_STRING]; error[0]=0; | |
| PTRY { // global try | PTRY { // global try |
| // must be first in PTRY{}PCATCH | // must be first in PTRY{}PCATCH |
| #ifdef WIN32 | #ifdef WIN32 |
| # if MSVC | # if _MSC_VER |
| SetUnhandledExceptionFilter(&TopLevelExceptionFilter); | SetUnhandledExceptionFilter(&TopLevelExceptionFilter); |
| //TODO: initSocks(); | //TODO: initSocks(); |
| # endif | # endif |
| Line 94 int main(int argc, char *argv[]) { | Line 156 int main(int argc, char *argv[]) { |
| // init global variables | // init global variables |
| globals_init(pool); | globals_init(pool); |
| if(!filespec_to_process) | |
| PTHROW(0, 0, | |
| 0, | |
| "no file to process"); | |
| // Request info | // Request info |
| // TODO: ifdef WIN32 flip \\ to / | |
| Request::Info request_info; | Request::Info request_info; |
| request_info.document_root="Y:/parser3/src/"; | const char *document_root=getenv("DOCUMENT_ROOT"); |
| if(!document_root) { | |
| static char fake_document_root[MAX_STRING]; | |
| strncpy(fake_document_root, filespec_to_process, MAX_STRING); | |
| rsplit(fake_document_root, '/'); rsplit(fake_document_root, '\\');// strip filename | |
| document_root=fake_document_root; | |
| } | |
| request_info.document_root=document_root; | |
| request_info.path_translated=filespec_to_process; | request_info.path_translated=filespec_to_process; |
| request_info.request_method=getenv("REQUEST_METHOD"); | request_info.method=getenv("REQUEST_METHOD"); |
| request_info.query_string=getenv("QUERY_STRING"); | request_info.query_string=getenv("QUERY_STRING"); |
| request_info.request_uri=getenv("REQUEST_URI"); | request_info.uri=getenv("REQUEST_URI"); |
| request_info.content_type=getenv("CONTENT_TYPE"); | request_info.content_type=getenv("CONTENT_TYPE"); |
| const char *content_length=getenv("CONTENT_LENGTH"); | const char *content_length=getenv("CONTENT_LENGTH"); |
| request_info.content_length=(content_length?atoi(content_length):0); | request_info.content_length=(content_length?atoi(content_length):0); |
| request_info.cookie=getenv("HTTP_COOKIE"); | |
| // prepare to process request | // prepare to process request |
| Request request(Pool(), | Pool request_pool; |
| Request request(request_pool, | |
| request_info, | request_info, |
| cgi ? String::Untaint_lang::HTML_TYPO : String::Untaint_lang::NO | cgi ? String::UL_HTML_TYPO : String::UL_NO |
| ); | ); |
| // some root-controlled location | // some root-controlled location |
| char *sys_auto_path1; | char *root_auto_path; |
| #ifdef WIN32 | #ifdef WIN32 |
| // c:\windows | // c:\windows |
| sys_auto_path1=(char *)pool.malloc(MAX_STRING); | root_auto_path=(char *)pool.malloc(MAX_STRING); |
| GetWindowsDirectory(sys_auto_path1, MAX_STRING); | GetWindowsDirectory(root_auto_path, MAX_STRING); |
| strcat(sys_auto_path1, PATH_DELIMITER_STRING); | strcat(root_auto_path, "/"); |
| #else | #else |
| // ~nobody | // ~nobody |
| sys_auto_path1=getenv("HOME"); | root_auto_path=getenv("HOME"); |
| #endif | #endif |
| // beside by binary | // beside by binary |
| char *sys_auto_path2=(char *)pool.malloc(MAX_STRING); | char *site_auto_path=(char *)pool.malloc(MAX_STRING); |
| strncpy(sys_auto_path2, argv[0], MAX_STRING); // filespec of my binary | strncpy(site_auto_path, argv[0], MAX_STRING); // filespec of my binary |
| rsplit(sys_auto_path2, PATH_DELIMITER_CHAR); // strip filename | rsplit(site_auto_path, '/'); rsplit(site_auto_path, '\\');// strip filename |
| strcat(site_auto_path, "/"); | |
| // process the request | // process the request |
| result=request.core( | request.core(pool.exception(), |
| sys_auto_path1, | root_auto_path, false, |
| sys_auto_path2); | site_auto_path, false, |
| // set error, will be reported in case result==0 | strcasecmp(request_info.method, "HEAD")==0); |
| strcpy(error, "exception occured in request exception handler"); | |
| // must be last in PTRY{}PCATCH | // must be last in PTRY{}PCATCH |
| #ifdef WIN32 | #ifdef WIN32 |
| # if MSVC | # if _MSC_VER |
| SetUnhandledExceptionFilter(0); | SetUnhandledExceptionFilter(0); |
| # endif | # endif |
| #endif | #endif |
| } PCATCH(e) { // global problem @globals fill @Request create @prepare to .core() | // successful finish |
| result=0; | return 0; |
| strcpy(error, e.comment()); | } PCATCH(e) { // global problem |
| } | const char *body=e.comment(); |
| PEND_CATCH | int content_length=strlen(body); |
| // header | |
| (*service_funcs.output_header_attribute)("content-type", "text/plain"); | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length); | |
| (*service_funcs.output_header_attribute)("content-length", | |
| content_length_cstr); | |
| // write out the result | // body |
| if(cgi) { | (*service_funcs.output_body)(body, content_length); |
| if(result) { | |
| const char *content_type="text/html"; | |
| printf( | |
| "Content-type: %s\n" | |
| "Content-length: %d\n" | |
| "\n", | |
| content_type, | |
| strlen(result)); | |
| stdout_write(result); | |
| } else { | |
| printf( | |
| "Content-type: text/plain\n" | |
| "Content-length: %d\n" | |
| "\n", | |
| strlen(error)); | |
| stdout_write(error); | |
| } | |
| } else | |
| if(result) | |
| printf("%s", result); | |
| else | |
| fputs(error, stderr); | |
| return 0; | // unsuccessful finish |
| return 1; | |
| } | |
| PEND_CATCH | |
| } | } |