>Number: 258
>Category: general
>Synopsis: I would like to do: ln -s http://www.somesite.org/foo.html
>foo.html and have it work.
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: apache (Apache HTTP Project)
>State: open
>Class: change-request
>Submitter-Id: apache
>Arrival-Date: Tue Mar 25 12:50:01 1997
>Originator: [EMAIL PROTECTED]
>Organization:
apache
>Release: 1.2b7
>Environment:
Solaris, GCC, etc, etc.
>Description:
Why hasn't anyone implemented this before? :-)
URL symbolic links within HTTP filesystems
(Patch included)
>How-To-Repeat:
>Fix:
Patchfile relative to 1.2b7:
--
diff -rc --new-file src-orig/Configuration src/Configuration
*** src-orig/Configuration Tue Mar 25 11:04:44 1997
--- src/Configuration Tue Mar 25 11:07:49 1997
***************
*** 235,239 ****
--- 235,242 ----
# Module proxy_module modules/proxy/libproxy.a
+
+ # URL Symlink Module
+ Module symlink_module mod_symlink.o
# PHP Module
Module php_module mod_php.o
diff -rc --new-file src-orig/http_request.c src/http_request.c
*** src-orig/http_request.c Tue Mar 25 11:04:40 1997
--- src/http_request.c Tue Mar 25 11:23:53 1997
***************
*** 139,144 ****
--- 139,145 ----
int get_path_info(request_rec *r)
{
+ int (*statfunc)(const char *filename, struct stat *sb);
char *cp;
char *path = r->filename;
char *end = &path[strlen(path)];
***************
*** 150,155 ****
--- 151,157 ----
for (cp = end; cp > path && cp[-1] == '/'; --cp)
continue;
+ statfunc = stat;
while (cp > path) {
/* See if the pathname ending here exists... */
***************
*** 157,163 ****
*cp = '\0';
errno = 0;
! rv = stat(path, &r->finfo);
if (cp != end) *cp = '/';
--- 159,165 ----
*cp = '\0';
errno = 0;
! rv = (*statfunc)(path, &r->finfo);
if (cp != end) *cp = '/';
***************
*** 195,213 ****
* letting us know that you needed to do this. Please be
* sure to include the operating system you are using.
*/
-
else {
#endif
! last_cp = cp;
! while (--cp > path && *cp != '/')
! continue;
! while (cp > path && cp[-1] == '/')
! --cp;
! }
#if defined(ENOENT) && defined(ENOTDIR)
! else {
#if defined(EACCES)
if (errno != EACCES)
#endif
--- 197,219 ----
* letting us know that you needed to do this. Please be
* sure to include the operating system you are using.
*/
else {
#endif
! if ( statfunc == lstat ) {
! last_cp = cp;
! while (--cp > path && *cp != '/')
! continue;
! while (cp > path && cp[-1] == '/')
! --cp;
! } else {
! /* Do one check with lstat */
! statfunc = lstat;
! continue;
! }
#if defined(ENOENT) && defined(ENOTDIR)
! } else {
#if defined(EACCES)
if (errno != EACCES)
#endif
diff -rc --new-file src-orig/httpd.h src/httpd.h
*** src-orig/httpd.h Tue Mar 25 11:04:40 1997
--- src/httpd.h Tue Mar 25 11:08:24 1997
***************
*** 347,352 ****
--- 347,353 ----
#define MAP_FILE_MAGIC_TYPE "application/x-type-map"
#define ASIS_MAGIC_TYPE "httpd/send-as-is"
#define DIR_MAGIC_TYPE "httpd/unix-directory"
+ #define LNK_MAGIC_TYPE "httpd/url-symlink"
#define STATUS_MAGIC_TYPE "application/x-httpd-status"
/* Just in case your linefeed isn't the one the other end is expecting. */
diff -rc --new-file src-orig/mod_mime.c src/mod_mime.c
*** src-orig/mod_mime.c Tue Mar 25 11:04:41 1997
--- src/mod_mime.c Tue Mar 25 11:08:25 1997
***************
*** 228,233 ****
--- 228,237 ----
r->content_type = DIR_MAGIC_TYPE;
return OK;
}
+ if (S_ISLNK(r->finfo.st_mode)) {
+ r->content_type = LNK_MAGIC_TYPE;
+ return OK;
+ }
/* TM -- FIXME
*
diff -rc --new-file src-orig/mod_symlink.c src/mod_symlink.c
*** src-orig/mod_symlink.c Wed Dec 31 16:00:00 1969
--- src/mod_symlink.c Tue Mar 25 12:28:11 1997
***************
*** 0 ****
--- 1,51 ----
+
+ /*
+ * http_symlink.c: Stuff for dealing with remote symlinks
+ *
+ * Originally written 3/25/97
+ * by Sam Lantinga ([EMAIL PROTECTED])
+ */
+
+ #include "httpd.h"
+ #include "http_config.h"
+
+ int handle_lnk(request_rec *r)
+ {
+ char linkbuf[HUGE_STRING_LEN];
+ int linklen;
+
+ /* If the link is not a true URL symlink, return FORBIDDEN */
+ if ( (linklen=readlink(r->filename, linkbuf, HUGE_STRING_LEN-1)) > 0 ) {
+ linkbuf[linklen] = '\0';
+
+ /* Look for service://host.name/path/name/ */
+ if ( strstr(linkbuf, "://") != NULL ) {
+ table_set (r->headers_out, "Location", linkbuf);
+ return REDIRECT;
+ }
+ }
+ return FORBIDDEN;
+ }
+
+ handler_rec lnk_handlers[] = {
+ { LNK_MAGIC_TYPE, handle_lnk },
+ { NULL }
+ };
+
+ module symlink_module = {
+ STANDARD_MODULE_STUFF,
+ NULL, /* initializer */
+ NULL, /* dir config creater */
+ NULL, /* dir merger --- default is to override */
+ NULL, /* server config */
+ NULL, /* merge server config */
+ NULL, /* command table */
+ lnk_handlers, /* handlers */
+ NULL, /* filename translation */
+ NULL, /* check_user_id */
+ NULL, /* check auth */
+ NULL, /* check access */
+ NULL, /* type_checker */
+ NULL, /* fixups */
+ NULL /* logger */
+ };
%0
>Audit-Trail:
>Unformatted:
