hello,
I stumbled upon a problem with the CGI-enabled httpd. It seems that
httpd can't handle a CGI call with an appended PATH_INFO, if the
latter ends with a slash. httpd takes this as a call for a directory
listing and throws 404.
For further details you may take a look here:
https://lists.zx2c4.com/pipermail/cgit/2023-March/004825.html
I've attached a patch, which works for me, although my understanding
of the httpd.c code is only superficial.
Patch was generated by
diff -u networking/httpd.c networking/httpd.c.new >httpd.patch
against the busybox-1.34.1 tarball
Thanks a lot to the busybox developers for their outstanding work.
best regards
Andreas
--- networking/httpd.c 2021-06-16 12:02:16.000000000 +0200
+++ networking/httpd.c.new 2023-03-07 19:05:22.447075000 +0100
@@ -2426,11 +2426,14 @@
}
#if ENABLE_FEATURE_HTTPD_CGI
else if (urlp[-1] == '/') {
- /* It's a dir URL and there is no index.html */
- /* Is there cgi-bin/index.cgi? */
- if (access("/cgi-bin/index.cgi"+1, X_OK) != 0)
- send_headers_and_exit(HTTP_NOT_FOUND); /* no */
- cgi_type = CGI_INDEX;
+ if (cgi_type == CGI_NONE) {
+ /* It's a dir URL and there is no index.html */
+ /* Is there cgi-bin/index.cgi? */
+ if (access("/cgi-bin/index.cgi"+1, X_OK) != 0) {
+ send_headers_and_exit(HTTP_NOT_FOUND); /* no */
+ }
+ cgi_type = CGI_INDEX;
+ }
}
#endif
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