/[mod_czs]/mod_czs.c
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Contents of /mod_czs.c

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Revision 1.7 - (show annotations)
Wed Aug 9 20:34:29 2000 UTC (23 years, 7 months ago) by dpavlin
Branch: MAIN
Changes since 1.6: +2 -0 lines
File MIME type: text/plain
send debug headers only if -DDEBUG

1 /*
2 * mod_czs -- nuke iso8859-2 characters
3 * Dobrica Pavlinusic <dpavlin@rot13.org>
4 *
5 * based on mod_format by Stephen F. Booth and
6 * mod_mocrify by Peter Triller, Ernst Bachmann
7 *
8 * Usage: httpd.conf
9 * AddHandler czs .html
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25
26 #include "httpd.h"
27 #include "http_main.h"
28 #include "http_config.h"
29 #include "http_log.h"
30 #include "http_protocol.h"
31
32 module MODULE_VAR_EXPORT mod_czs;
33
34 FILE *in;
35 int do_czs;
36
37 static int czs_handler(request_rec *r) {
38
39 char buffer[MAX_STRING_LEN] = "undefined buffer content";
40 int i;
41
42 if(r->method_number != M_GET)
43 return DECLINED;
44 if(r->finfo.st_mode == 0)
45 return NOT_FOUND;
46
47 in = ap_pfopen(r->pool, r->filename, "r");
48
49 if(in == NULL) {
50 ap_log_reason("file permissions deny server access", r->filename, r);
51 return FORBIDDEN;
52 }
53 #ifdef DEBUG
54 if(r->args != 0 || do_czs) {
55 ap_table_setn(r->headers_out, "X-czs_filename", r->filename);
56 if (r->args != 0) {
57 ap_table_setn(r->headers_out, "X-czs_args", r->args);
58 }
59 }
60 #endif
61
62 ap_soft_timeout("send", r);
63 ap_send_http_header(r);
64
65 if(r->header_only) {
66 ap_kill_timeout(r);
67 ap_pfclose(r->pool, in);
68 return OK;
69 }
70
71 #ifdef TEST_QUERYSTRING
72 if(r->args == 0 && !do_czs) {
73 #else
74 if(!do_czs) {
75 #endif
76 ap_send_fd(in, r);
77 } else {
78
79 while(fgets(buffer,MAX_STRING_LEN,in)) {
80 for(i=0; i<MAX_STRING_LEN && buffer[i]; i++) {
81 switch ( buffer[i] ) {
82 case '¹': buffer[i]='s'; break;
83 case 'ð': buffer[i]='d'; break;
84 case 'è': buffer[i]='c'; break;
85 case 'æ': buffer[i]='c'; break;
86 case '¾': buffer[i]='z'; break;
87 case '©': buffer[i]='S'; break;
88 case 'Ð': buffer[i]='D'; break;
89 case 'È': buffer[i]='C'; break;
90 case 'Æ': buffer[i]='C'; break;
91 case '®': buffer[i]='Z'; break;
92 }
93 }
94 ap_rprintf(r,"%s",buffer);
95 }
96 }
97
98 ap_kill_timeout(r);
99 ap_pfclose(r->pool, in);
100 return OK;
101 }
102
103 int translate_path(request_rec *r) {
104 char *uri = r->uri;
105 request_rec *subr;
106 do_czs=0;
107
108 if (uri[0]=='/' && uri[1]=='c' && uri[2]=='z' && uri[3]=='s') {
109 #if 0
110 ap_table_setn(r->headers_out, "Location", ap_pstrcat(r->pool, uri+2, "?czs", NULL));
111 return REDIRECT;
112 #endif
113 subr = (request_rec *) ap_sub_req_lookup_uri(r->uri+4, r);
114 r->filename=ap_pstrdup(r->pool, subr->filename);
115 ap_destroy_sub_req(subr);
116 do_czs=1;
117 return OK;
118 }
119
120 return DECLINED;
121 }
122
123 /* Dispatch list of content handlers */
124 static const handler_rec czs_handlers[] = {
125 { "czs", czs_handler },
126 { NULL, NULL }
127 };
128
129 /* Dispatch list for API hooks */
130 module MODULE_VAR_EXPORT czs_module = {
131 STANDARD_MODULE_STUFF,
132 NULL, /* module initializer */
133 NULL, /* create per-dir config structures */
134 NULL, /* merge per-dir config structures */
135 NULL, /* create per-server config structures */
136 NULL, /* merge per-server config structures */
137 NULL, /* table of config file commands */
138 czs_handlers, /* [#8] MIME-typed-dispatched handlers */
139 translate_path, /* [#1] URI to filename translation */
140 NULL, /* [#4] validate user id from request */
141 NULL, /* [#5] check if the user is ok _here_ */
142 NULL, /* [#2] check access by host address */
143 NULL, /* [#6] determine MIME type */
144 NULL, /* [#7] pre-run fixups */
145 NULL, /* [#9] log a transaction */
146 NULL, /* [#3] header parser */
147 NULL, /* child_init */
148 NULL, /* child_exit */
149 NULL /* [#0] post read-request */
150 };
151

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