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Force /nocache/ entities to be delivered completely, even if a

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broken proxy ignores our anti-cache headers and sends an IMS request.
This commit is contained in:
Sascha Schumann 2002-09-23 15:41:44 +00:00
parent a3cda3b32d
commit 1f18eaadee
1 changed files with 58 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

92
sapi/thttpd/thttpd_patch
View file

@ -1,6 +1,6 @@
diff -Nur thttpd-2.21b/Makefile.in thttpd-2.21b-cool/Makefile.in
diff -ur thttpd-2.21b/Makefile.in thttpd-2.21b-cool/Makefile.in
--- thttpd-2.21b/Makefile.in Thu Mar 29 20:36:21 2001
+++ thttpd-2.21b-cool/Makefile.in Sat Sep 7 15:43:49 2002
+++ thttpd-2.21b-cool/Makefile.in Mon Sep 23 17:37:36 2002
@@ -46,13 +46,15 @@
# You shouldn't need to edit anything below here.
@ -38,9 +38,9 @@ diff -Nur thttpd-2.21b/Makefile.in thttpd-2.21b-cool/Makefile.in
tar:
@name=`sed -n -e '/SERVER_SOFTWARE/!d' -e 's,.*thttpd/,thttpd-,' -e 's, .*,,p' version.h` ; \
diff -Nur thttpd-2.21b/config.h thttpd-2.21b-cool/config.h
diff -ur thttpd-2.21b/config.h thttpd-2.21b-cool/config.h
--- thttpd-2.21b/config.h Mon Apr 9 23:57:36 2001
+++ thttpd-2.21b-cool/config.h Sat Sep 7 15:43:49 2002
+++ thttpd-2.21b-cool/config.h Sun Sep 22 22:44:56 2002
@@ -82,6 +82,11 @@
*/
#define IDLE_READ_TIMELIMIT 60
@ -62,9 +62,9 @@ diff -Nur thttpd-2.21b/config.h thttpd-2.21b-cool/config.h
/* CONFIGURE: If this is defined then thttpd will automatically generate
** index pages for directories that don't have an explicit index file.
diff -Nur thttpd-2.21b/fdwatch.c thttpd-2.21b-cool/fdwatch.c
diff -ur thttpd-2.21b/fdwatch.c thttpd-2.21b-cool/fdwatch.c
--- thttpd-2.21b/fdwatch.c Fri Apr 13 07:36:08 2001
+++ thttpd-2.21b-cool/fdwatch.c Sat Sep 21 19:15:38 2002
+++ thttpd-2.21b-cool/fdwatch.c Mon Sep 23 17:38:03 2002
@@ -460,7 +460,7 @@
ridx = 0;
@ -85,9 +85,9 @@ diff -Nur thttpd-2.21b/fdwatch.c thttpd-2.21b-cool/fdwatch.c
default: return 0;
}
}
diff -Nur thttpd-2.21b/libhttpd.c thttpd-2.21b-cool/libhttpd.c
diff -ur thttpd-2.21b/libhttpd.c thttpd-2.21b-cool/libhttpd.c
--- thttpd-2.21b/libhttpd.c Tue Apr 24 00:42:40 2001
+++ thttpd-2.21b-cool/libhttpd.c Sat Sep 21 18:17:49 2002
+++ thttpd-2.21b-cool/libhttpd.c Mon Sep 23 17:29:24 2002
@@ -85,6 +85,8 @@
#include "match.h"
#include "tdate_parse.h"
@ -408,7 +408,15 @@ diff -Nur thttpd-2.21b/libhttpd.c thttpd-2.21b-cool/libhttpd.c
if ( hc->method == METHOD_GET || hc->method == METHOD_POST )
{
httpd_clear_ndelay( hc->conn_fd );
@@ -3561,6 +3616,11 @@
@@ -3369,6 +3424,7 @@
int expnlen, indxlen;
char* cp;
char* pi;
+ int nocache = 0;
expnlen = strlen( hc->expnfilename );
@@ -3561,6 +3617,11 @@
match( hc->hs->cgi_pattern, hc->expnfilename ) )
return cgi( hc );
@ -420,22 +428,38 @@ diff -Nur thttpd-2.21b/libhttpd.c thttpd-2.21b-cool/libhttpd.c
/* It's not CGI. If it's executable or there's pathinfo, someone's
** trying to either serve or run a non-CGI file as CGI. Either case
** is prohibited.
@@ -3611,14 +3671,27 @@
@@ -3594,6 +3655,8 @@
hc->end_byte_loc = hc->sb.st_size - 1;
figure_mime( hc );
+ if ( strncmp(hc->decodedurl, "/nocache/", sizeof("/nocache/") - 1 ) == 0 )
+ nocache = 1;
if ( hc->method == METHOD_HEAD )
{
@@ -3601,7 +3664,7 @@
hc, 200, ok200title, hc->encodings, "", hc->type, hc->sb.st_size,
hc->sb.st_mtime );
}
- else if ( hc->if_modified_since != (time_t) -1 &&
+ else if ( !nocache && hc->if_modified_since != (time_t) -1 &&
hc->if_modified_since >= hc->sb.st_mtime )
{
hc->method = METHOD_HEAD;
@@ -3611,14 +3674,25 @@
}
else
{
- hc->file_address = mmc_map( hc->expnfilename, &(hc->sb), nowP );
+ char *extraheads = "";
+ int nocache = 0;
+ char *extraheads = "";
+
+ if (strncmp(hc->decodedurl, "/nocache/", sizeof("/nocache/")-1) == 0) {
+ extraheads = "Expires: Thu, 19 Nov 1981 08:52:00 GMT\r\n"
+ "Cache-Control: no-store, no-cache, must-revalidate, "
+ "post-check=0, pre-check=0\r\n"
+ "Pragma: no-cache\r\n";
+
+ nocache = 1;
+ }
+ if ( nocache )
+ {
+ extraheads = "Expires: Thu, 19 Nov 1981 08:52:00 GMT\r\n"
+ "Cache-Control: no-store, no-cache, must-revalidate, "
+ "post-check=0, pre-check=0\r\n"
+ "Pragma: no-cache\r\n";
+ }
+
+ hc->file_address = mmc_map( hc->expnfilename, &(hc->sb), nowP, nocache );
if ( hc->file_address == (char*) 0 )
@ -450,9 +474,9 @@ diff -Nur thttpd-2.21b/libhttpd.c thttpd-2.21b-cool/libhttpd.c
hc->sb.st_mtime );
}
diff -Nur thttpd-2.21b/libhttpd.h thttpd-2.21b-cool/libhttpd.h
diff -ur thttpd-2.21b/libhttpd.h thttpd-2.21b-cool/libhttpd.h
--- thttpd-2.21b/libhttpd.h Tue Apr 24 00:36:50 2001
+++ thttpd-2.21b-cool/libhttpd.h Sat Sep 7 15:43:49 2002
+++ thttpd-2.21b-cool/libhttpd.h Sun Sep 22 22:44:56 2002
@@ -69,6 +69,7 @@
char* server_hostname;
int port;
@ -479,9 +503,9 @@ diff -Nur thttpd-2.21b/libhttpd.h thttpd-2.21b-cool/libhttpd.h
/* Call this to de-initialize a connection struct and *really* free the
** mallocced strings.
diff -Nur thttpd-2.21b/mime_encodings.txt thttpd-2.21b-cool/mime_encodings.txt
diff -ur thttpd-2.21b/mime_encodings.txt thttpd-2.21b-cool/mime_encodings.txt
--- thttpd-2.21b/mime_encodings.txt Wed May 10 03:22:28 2000
+++ thttpd-2.21b-cool/mime_encodings.txt Sat Sep 7 15:43:49 2002
+++ thttpd-2.21b-cool/mime_encodings.txt Sun Sep 22 22:44:56 2002
@@ -3,6 +3,6 @@
# A list of file extensions followed by the corresponding MIME encoding.
# Extensions not found in the table proceed to the mime_types table.
@ -491,9 +515,9 @@ diff -Nur thttpd-2.21b/mime_encodings.txt thttpd-2.21b-cool/mime_encodings.txt
+Z compress
+gz gzip
uu x-uuencode
diff -Nur thttpd-2.21b/mime_types.txt thttpd-2.21b-cool/mime_types.txt
diff -ur thttpd-2.21b/mime_types.txt thttpd-2.21b-cool/mime_types.txt
--- thttpd-2.21b/mime_types.txt Sat Apr 14 04:53:30 2001
+++ thttpd-2.21b-cool/mime_types.txt Sat Sep 7 15:43:49 2002
+++ thttpd-2.21b-cool/mime_types.txt Sun Sep 22 22:44:56 2002
@@ -1,135 +1,138 @@
-# mime_types.txt
-#
@ -742,9 +766,9 @@ diff -Nur thttpd-2.21b/mime_types.txt thttpd-2.21b-cool/mime_types.txt
+avi video/x-msvideo
+movie video/x-sgi-movie
+ice x-conference/x-cooltalk
diff -Nur thttpd-2.21b/mmc.c thttpd-2.21b-cool/mmc.c
diff -ur thttpd-2.21b/mmc.c thttpd-2.21b-cool/mmc.c
--- thttpd-2.21b/mmc.c Fri Apr 13 23:02:15 2001
+++ thttpd-2.21b-cool/mmc.c Sat Sep 21 19:19:15 2002
+++ thttpd-2.21b-cool/mmc.c Sun Sep 22 22:44:56 2002
@@ -70,6 +70,7 @@
unsigned int hash;
int hash_idx;
@ -814,9 +838,9 @@ diff -Nur thttpd-2.21b/mmc.c thttpd-2.21b-cool/mmc.c
if ( nowP != (struct timeval*) 0 )
m->reftime = nowP->tv_sec;
else
diff -Nur thttpd-2.21b/mmc.h thttpd-2.21b-cool/mmc.h
diff -ur thttpd-2.21b/mmc.h thttpd-2.21b-cool/mmc.h
--- thttpd-2.21b/mmc.h Fri Apr 13 07:36:54 2001
+++ thttpd-2.21b-cool/mmc.h Sat Sep 21 18:18:17 2002
+++ thttpd-2.21b-cool/mmc.h Sun Sep 22 22:44:56 2002
@@ -31,8 +31,9 @@
/* Returns an mmap()ed area for the given file, or (void*) 0 on errors.
** If you have a stat buffer on the file, pass it in, otherwise pass 0.
@ -828,9 +852,9 @@ diff -Nur thttpd-2.21b/mmc.h thttpd-2.21b-cool/mmc.h
/* Done with an mmap()ed area that was returned by mmc_map().
** If you have a stat buffer on the file, pass it in, otherwise pass 0.
diff -Nur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
--- thttpd-2.21b/thttpd.c Tue Apr 24 00:41:57 2001
+++ thttpd-2.21b-cool/thttpd.c Sat Sep 21 19:15:38 2002
+++ thttpd-2.21b-cool/thttpd.c Mon Sep 23 17:38:03 2002
@@ -95,6 +95,7 @@
httpd_conn* hc;
int tnums[MAXTHROTTLENUMS]; /* throttle indexes */
@ -999,13 +1023,13 @@ diff -Nur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
+ httpd_send_err( hc, 400, httpd_err400title, "", httpd_err400form, "" );
+ }
+ clear_connection( c, tvP, 0 );
+ return;
return;
+ } else if ( sz < 0 ) {
+ if (errno != EWOULDBLOCK) {
+ httpd_send_err( hc, 400, httpd_err400title, "", httpd_err400form, "" );
+ clear_connection( c, tvP, 0 );
+ }
return;
+ return;
+ }
+ if (sz > 0) hc->read_idx += sz;
+