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From 85e4a9937dc870e4907d15f301a00deea4c950ab Mon Sep 17 00:00:00 2001
From: Glenn Strauss <gstrauss@gluelogic.com>
Date: Tue, 6 May 2025 23:47:41 -0400
Subject: [PATCH] [mod_webdav] log trace for EACCES on PUT
Origin: upstream, https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/85e4a9937dc870e4907d15f301a00deea4c950ab
Forwarded: not-needed
output trace, e.g. for hardenend systemd lighttpd.service with
ProtectHome=yes
where pre-existing configs might now fail PUT requests to
mod_webdav if writing files to home directories
x-ref:
"lighttpd-mod-webdav: Regression 1.4.79-1 webdav PUT gives HTTP 500, 1.4.77-1 works"
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103710
---
src/mod_webdav.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/mod_webdav.c b/src/mod_webdav.c
index ee7990ce..e43bf3bb 100644
--- a/src/mod_webdav.c
+++ b/src/mod_webdav.c
@@ -4627,6 +4627,16 @@ mod_webdav_put_0 (request_st * const r, const plugin_config * const pconf)
return HANDLER_FINISHED;
}
+ /*if (errno == EACCES || errno == EPERM || errno == EROFS)*/
+ {
+ log_perror(r->conf.errh, __FILE__, __LINE__,
+ "open(%s, O_WRONLY|...)", r->physical.path.ptr);
+ #ifdef __linux__
+ log_error(r->conf.errh, __FILE__, __LINE__,
+ "check systemd lighttpd.service; e.g. ProtectHome=yes");
+ #endif
+ }
+
http_status_set_error(r, 500); /* Internal Server Error */
return HANDLER_FINISHED;
}
@@ -4688,7 +4698,14 @@ mod_webdav_put_prep (request_st * const r, const plugin_config * const pconf)
case ENOTDIR:
http_status_set_error(r, 409); /* Conflict */
break;
+ /*case EACCES: case EPERM: case EROFS:*/
default:
+ log_perror(r->conf.errh, __FILE__, __LINE__,
+ "open() tmpfile for %s", r->physical.path.ptr);
+ #ifdef __linux__
+ log_error(r->conf.errh, __FILE__, __LINE__,
+ "check systemd lighttpd.service; e.g. ProtectHome=yes");
+ #endif
http_status_set_error(r, 500); /* Internal Server Error */
break;
}
--
2.49.0
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