Annotation of parser3/src/targets/cgi/parser3.C, revision 1.26.2.2
1.1 paf 1: /*
2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
5:
1.26.2.2! paf 6: $Id: parser3.C,v 1.26.2.1 2001/03/20 17:21:56 paf Exp $
1.1 paf 7: */
8:
1.5 paf 9: #ifdef HAVE_CONFIG_H
10: # include "pa_config.h"
11: #endif
12:
1.3 paf 13:
14: #ifdef WIN32
15: # include <windows.h>
16: # include <io.h>
1.26.2.2! paf 17: #else
! 18: # include <unistd.h>
1.3 paf 19: #endif
20: #include <stdlib.h>
1.4 paf 21: #include <stdio.h>
22: #include <string.h>
23: #include <fcntl.h>
1.3 paf 24:
1.24 paf 25: #include "pa_common.h"
1.5 paf 26: #include "pa_globals.h"
1.2 paf 27: #include "pa_request.h"
1.1 paf 28:
1.5 paf 29: Pool pool; // global pool
1.20 paf 30: bool cgi;
1.5 paf 31:
1.3 paf 32: #ifdef WIN32
1.14 paf 33: # if _MSC_VER
1.5 paf 34: // intercept global system errors
35: LONG WINAPI TopLevelExceptionFilter (
36: struct _EXCEPTION_POINTERS *ExceptionInfo
37: ) {
38: char buf[MAX_STRING];
39: if(ExceptionInfo && ExceptionInfo->ExceptionRecord) {
40: struct _EXCEPTION_RECORD *r=ExceptionInfo->ExceptionRecord;
41:
42: int printed=0;
43: printed+=snprintf(buf+printed, MAX_STRING-printed, "Exception 0x%X at 0x%p",
44: r->ExceptionCode,
45: r->ExceptionAddress);
46: for(unsigned int i=0; i<r->NumberParameters; i++)
47: printed+=snprintf(buf+printed, MAX_STRING-printed, ", 0x%X",
48: r->ExceptionInformation[i]);
49: } else
50: strcpy(buf, "Exception <unknown>");
51:
52: PTHROW(0, 0,
53: 0,
54: buf);
55:
56: return EXCEPTION_EXECUTE_HANDLER; // never reached
57: }
1.8 paf 58: # endif
1.26 paf 59:
60: void fix_slashes(char *s) {
61: for(; *s; s++)
62: if(*s=='\\')
63: *s='/';
64: }
1.3 paf 65: #endif
66:
1.19 paf 67: // service funcs
68:
1.12 paf 69: int read_post(char *buf, int max_bytes) {
70: int read_size=0;
71: do {
72: int chunk_size=read
73: (fileno(stdin), buf+read_size, min(0x400*0x400, max_bytes-read_size));
74: if(chunk_size<0)
75: break;
76: read_size+=chunk_size;
77: } while(read_size<max_bytes);
78:
79: return read_size;
1.10 paf 80: }
81:
1.19 paf 82: void output_header_attribute(const char *key, const char *value) {
1.20 paf 83: if(cgi)
84: printf("%s: %s\n", key, value);
1.19 paf 85: }
86:
87: void output_body(const char *buf, size_t size) {
1.20 paf 88: if(cgi) // header | body delimiter
89: puts("");
90:
1.19 paf 91: stdout_write(buf, size);
1.17 paf 92: }
93:
1.19 paf 94: // main
95:
1.5 paf 96: int main(int argc, char *argv[]) {
1.23 paf 97: // TODO:umask(2);
1.12 paf 98: #ifdef WIN32
99: _setmode(fileno(stdin), _O_BINARY);
100: _setmode(fileno(stdout), _O_BINARY);
101: _setmode(fileno(stderr), _O_BINARY);
102: #endif
103:
1.10 paf 104: // Service funcs
105: service_funcs.read_post=read_post;
1.19 paf 106: service_funcs.output_header_attribute=output_header_attribute;
107: service_funcs.output_body=output_body;
1.10 paf 108:
1.3 paf 109: // were we started as CGI?
1.20 paf 110: cgi=
1.2 paf 111: getenv("SERVER_SOFTWARE") ||
112: getenv("SERVER_NAME") ||
113: getenv("GATEWAY_INTERFACE") ||
114: getenv("REQUEST_METHOD");
1.5 paf 115:
1.10 paf 116: if(!cgi) {
117: if(argc<2) {
118: char *binary=argv[0];
1.13 paf 119: printf("Usage: %s <file>\n", binary?binary:"parser3");
1.10 paf 120: exit(1);
121: }
122: }
123:
1.26 paf 124: char *filespec_to_process=cgi?getenv("PATH_TRANSLATED"):argv[1];
125: #ifdef WIN32
126: fix_slashes(filespec_to_process);
127: #endif
1.10 paf 128:
1.5 paf 129: PTRY { // global try
130: // must be first in PTRY{}PCATCH
131: #ifdef WIN32
1.14 paf 132: # if _MSC_VER
1.5 paf 133: SetUnhandledExceptionFilter(&TopLevelExceptionFilter);
134: //TODO: initSocks();
1.8 paf 135: # endif
1.5 paf 136: #endif
1.2 paf 137:
1.10 paf 138: // init global variables
1.9 paf 139: globals_init(pool);
1.10 paf 140:
1.13 paf 141: if(!filespec_to_process)
142: PTHROW(0, 0,
143: 0,
144: "no file to process");
145:
1.10 paf 146: // Request info
147: Request::Info request_info;
1.13 paf 148: const char *document_root=getenv("DOCUMENT_ROOT");
149: if(!document_root) {
150: static char fake_document_root[MAX_STRING];
151: strncpy(fake_document_root, filespec_to_process, MAX_STRING);
152: rsplit(fake_document_root, '/'); rsplit(fake_document_root, '\\');// strip filename
153: document_root=fake_document_root;
154: }
155: request_info.document_root=document_root;
1.10 paf 156: request_info.path_translated=filespec_to_process;
1.15 paf 157: request_info.method=getenv("REQUEST_METHOD");
1.10 paf 158: request_info.query_string=getenv("QUERY_STRING");
1.15 paf 159: request_info.uri=getenv("REQUEST_URI");
1.10 paf 160: request_info.content_type=getenv("CONTENT_TYPE");
161: const char *content_length=getenv("CONTENT_LENGTH");
162: request_info.content_length=(content_length?atoi(content_length):0);
1.21 paf 163: request_info.cookie=getenv("HTTP_COOKIE");
1.10 paf 164:
1.5 paf 165: // prepare to process request
1.26.2.2! paf 166: Pool request_pool;
! 167: Request request(request_pool,
1.10 paf 168: request_info,
1.26.2.1 paf 169: cgi ? String::UL_HTML_TYPO : String::UL_NO
1.5 paf 170: );
171:
172: // some root-controlled location
173: char *sys_auto_path1;
1.3 paf 174: #ifdef WIN32
1.10 paf 175: // c:\windows
1.5 paf 176: sys_auto_path1=(char *)pool.malloc(MAX_STRING);
1.7 paf 177: GetWindowsDirectory(sys_auto_path1, MAX_STRING);
1.10 paf 178: strcat(sys_auto_path1, PATH_DELIMITER_STRING);
1.3 paf 179: #else
1.10 paf 180: // ~nobody
1.5 paf 181: sys_auto_path1=getenv("HOME");
182: #endif
183:
184: // beside by binary
185: char *sys_auto_path2=(char *)pool.malloc(MAX_STRING);
1.6 paf 186: strncpy(sys_auto_path2, argv[0], MAX_STRING); // filespec of my binary
1.13 paf 187: rsplit(sys_auto_path2, '/'); rsplit(sys_auto_path2, '\\');// strip filename
188: strcat(sys_auto_path2, PATH_DELIMITER_STRING);
1.5 paf 189:
190: // process the request
1.16 paf 191: request.core(pool.exception(),
1.5 paf 192: sys_auto_path1,
193: sys_auto_path2);
1.19 paf 194: // no actions with request' data past this point
195: // request.exception not not handled here, but all
196: // request' data are associated with it's pool=exception
1.16 paf 197:
1.22 paf 198: // must be last in PTRY{}PCATCH
1.5 paf 199: #ifdef WIN32
1.14 paf 200: # if _MSC_VER
1.5 paf 201: SetUnhandledExceptionFilter(0);
1.8 paf 202: # endif
1.25 paf 203: #endif
1.16 paf 204: // successful finish
205: return 0;
206: } PCATCH(e) { // global problem
1.19 paf 207: const char *body=e.comment();
208: int content_length=strlen(body);
1.5 paf 209:
1.19 paf 210: // header
211: (*service_funcs.output_header_attribute)("content-type", "text/plain");
212: char content_length_cstr[MAX_NUMBER];
213: snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length);
214: (*service_funcs.output_header_attribute)("content-length",
215: content_length_cstr);
216:
217: // body
218: (*service_funcs.output_body)(body, content_length);
1.2 paf 219:
1.16 paf 220: // unsuccessful finish
221: return 1;
222: }
223: PEND_CATCH
1.1 paf 224: }
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