Annotation of parser3/src/targets/cgi/parser3.C, revision 1.33
1.27 paf 1: /** @file
2: Parser: scripting and CGI main.
3:
1.1 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.27 paf 5:
1.1 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
7:
1.33 ! paf 8: $Id: parser3.C,v 1.32 2001/03/22 16:38:22 paf Exp $
1.1 paf 9: */
10:
1.5 paf 11: #ifdef HAVE_CONFIG_H
12: # include "pa_config.h"
13: #endif
14:
1.3 paf 15:
16: #ifdef WIN32
17: # include <windows.h>
18: # include <io.h>
1.27 paf 19: #else
20: # include <unistd.h>
1.3 paf 21: #endif
1.27 paf 22:
23: //\ifwin32
24: #include <io.h>
25: //#include <fcntl.h>
26: //\endifwin32
27:
1.3 paf 28: #include <stdlib.h>
1.4 paf 29: #include <stdio.h>
30: #include <string.h>
31: #include <fcntl.h>
1.3 paf 32:
1.24 paf 33: #include "pa_common.h"
1.5 paf 34: #include "pa_globals.h"
1.2 paf 35: #include "pa_request.h"
1.1 paf 36:
1.29 paf 37: Pool pool; // global pool
1.27 paf 38: bool cgi; ///< we were started as CGI?
1.5 paf 39:
1.3 paf 40: #ifdef WIN32
1.14 paf 41: # if _MSC_VER
1.5 paf 42: // intercept global system errors
1.30 paf 43: static LONG WINAPI TopLevelExceptionFilter (
1.5 paf 44: struct _EXCEPTION_POINTERS *ExceptionInfo
45: ) {
46: char buf[MAX_STRING];
47: if(ExceptionInfo && ExceptionInfo->ExceptionRecord) {
1.31 paf 48: struct _EXCEPTION_RECORD *rr=ExceptionInfo->ExceptionRecord;
49: snprintf(buf, MAX_STRING, "Exception %#X at %p",
50: er->ExceptionCode,
51: er->ExceptionAddress);
1.5 paf 52: } else
53: strcpy(buf, "Exception <unknown>");
54:
55: PTHROW(0, 0,
56: 0,
57: buf);
58:
59: return EXCEPTION_EXECUTE_HANDLER; // never reached
60: }
1.8 paf 61: # endif
1.26 paf 62:
1.27 paf 63: #endif
64:
65: //\if
1.30 paf 66: static void fix_slashes(char *s) {
1.27 paf 67: if(s)
68: for(; *s; s++)
69: if(*s=='\\')
70: *s='/';
1.26 paf 71: }
1.27 paf 72: //\endif
1.3 paf 73:
1.19 paf 74: // service funcs
75:
1.30 paf 76: static const char *get_env(Pool& pool, const char *name) {
1.28 paf 77: return getenv(name);
78: }
79:
1.30 paf 80: static uint read_post(char *buf, uint max_bytes) {
1.12 paf 81: int read_size=0;
82: do {
83: int chunk_size=read
84: (fileno(stdin), buf+read_size, min(0x400*0x400, max_bytes-read_size));
85: if(chunk_size<0)
86: break;
87: read_size+=chunk_size;
88: } while(read_size<max_bytes);
89:
90: return read_size;
1.10 paf 91: }
92:
1.30 paf 93: static void add_header_attribute(const char *key, const char *value) {
1.20 paf 94: if(cgi)
95: printf("%s: %s\n", key, value);
1.19 paf 96: }
97:
1.33 ! paf 98: /// @todo intelligent cache-control
1.30 paf 99: static void send_header(const char *buf, size_t size) {
1.33 ! paf 100: if(cgi) {
! 101: puts("Cache-Control: no-cache");
! 102:
! 103: // header | body delimiter
1.20 paf 104: puts("");
1.33 ! paf 105: }
1.30 paf 106: }
1.20 paf 107:
1.30 paf 108: static void send_body(const char *buf, size_t size) {
1.19 paf 109: stdout_write(buf, size);
1.17 paf 110: }
111:
1.30 paf 112: /// Service funcs
113: Service_funcs service_funcs={
114: get_env,
115: read_post,
116: add_header_attribute,
117: send_header,
118: send_body
119: };
120:
121:
1.19 paf 122: // main
123:
1.5 paf 124: int main(int argc, char *argv[]) {
1.32 paf 125: umask(2);
126:
127: #ifdef WIN32
1.27 paf 128: setmode(fileno(stdin), _O_BINARY);
129: setmode(fileno(stdout), _O_BINARY);
130: setmode(fileno(stderr), _O_BINARY);
1.32 paf 131: #endif
1.12 paf 132:
1.3 paf 133: // were we started as CGI?
1.20 paf 134: cgi=
1.2 paf 135: getenv("SERVER_SOFTWARE") ||
136: getenv("SERVER_NAME") ||
137: getenv("GATEWAY_INTERFACE") ||
138: getenv("REQUEST_METHOD");
1.5 paf 139:
1.10 paf 140: if(!cgi) {
141: if(argc<2) {
142: char *binary=argv[0];
1.13 paf 143: printf("Usage: %s <file>\n", binary?binary:"parser3");
1.10 paf 144: exit(1);
145: }
146: }
147:
1.26 paf 148: char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1];
1.27 paf 149: //\#ifdef WIN32
1.26 paf 150: fix_slashes(filespec_to_process);
1.27 paf 151: //\#endif
1.10 paf 152:
1.5 paf 153: PTRY { // global try
154: // must be first in PTRY{}PCATCH
155: #ifdef WIN32
1.14 paf 156: # if _MSC_VER
1.5 paf 157: SetUnhandledExceptionFilter(&TopLevelExceptionFilter);
158: //TODO: initSocks();
1.8 paf 159: # endif
1.5 paf 160: #endif
1.2 paf 161:
1.10 paf 162: // init global variables
1.9 paf 163: globals_init(pool);
1.10 paf 164:
1.13 paf 165: if(!filespec_to_process)
166: PTHROW(0, 0,
167: 0,
168: "no file to process");
169:
1.10 paf 170: // Request info
171: Request::Info request_info;
1.13 paf 172: const char *document_root=getenv("DOCUMENT_ROOT");
173: if(!document_root) {
174: static char fake_document_root[MAX_STRING];
175: strncpy(fake_document_root, filespec_to_process, MAX_STRING);
176: rsplit(fake_document_root, '/'); rsplit(fake_document_root, '\\');// strip filename
177: document_root=fake_document_root;
178: }
179: request_info.document_root=document_root;
1.10 paf 180: request_info.path_translated=filespec_to_process;
1.15 paf 181: request_info.method=getenv("REQUEST_METHOD");
1.10 paf 182: request_info.query_string=getenv("QUERY_STRING");
1.15 paf 183: request_info.uri=getenv("REQUEST_URI");
1.10 paf 184: request_info.content_type=getenv("CONTENT_TYPE");
185: const char *content_length=getenv("CONTENT_LENGTH");
186: request_info.content_length=(content_length?atoi(content_length):0);
1.21 paf 187: request_info.cookie=getenv("HTTP_COOKIE");
1.10 paf 188:
1.5 paf 189: // prepare to process request
1.27 paf 190: Pool request_pool;
191: Request request(request_pool,
1.10 paf 192: request_info,
1.27 paf 193: cgi ? String::UL_HTML_TYPO : String::UL_NO
1.5 paf 194: );
195:
196: // some root-controlled location
1.30 paf 197: char *root_auto_path;
1.3 paf 198: #ifdef WIN32
1.10 paf 199: // c:\windows
1.30 paf 200: root_auto_path=(char *)pool.malloc(MAX_STRING);
201: GetWindowsDirectory(root_auto_path, MAX_STRING);
1.3 paf 202: #else
1.10 paf 203: // ~nobody
1.30 paf 204: root_auto_path=getenv("HOME");
1.5 paf 205: #endif
206:
207: // beside by binary
1.30 paf 208: char *site_auto_path=(char *)pool.malloc(MAX_STRING);
209: strncpy(site_auto_path, argv[0], MAX_STRING); // filespec of my binary
210: rsplit(site_auto_path, '/'); rsplit(site_auto_path, '\\');// strip filename
1.5 paf 211:
212: // process the request
1.16 paf 213: request.core(pool.exception(),
1.30 paf 214: root_auto_path, false,
1.31 paf 215: site_auto_path, false,
216: strcasecmp(request_info.method, "HEAD")==0);
1.16 paf 217:
1.22 paf 218: // must be last in PTRY{}PCATCH
1.5 paf 219: #ifdef WIN32
1.14 paf 220: # if _MSC_VER
1.5 paf 221: SetUnhandledExceptionFilter(0);
1.8 paf 222: # endif
1.25 paf 223: #endif
1.16 paf 224: // successful finish
225: return 0;
226: } PCATCH(e) { // global problem
1.19 paf 227: const char *body=e.comment();
228: int content_length=strlen(body);
1.5 paf 229:
1.19 paf 230: // header
231: (*service_funcs.output_header_attribute)("content-type", "text/plain");
232: char content_length_cstr[MAX_NUMBER];
233: snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length);
234: (*service_funcs.output_header_attribute)("content-length",
235: content_length_cstr);
236:
237: // body
238: (*service_funcs.output_body)(body, content_length);
1.2 paf 239:
1.16 paf 240: // unsuccessful finish
241: return 1;
242: }
243: PEND_CATCH
1.1 paf 244: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to parser3.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / targets / cgi