[bug#62642,v2] services: certbot: Fix nginx crash when certbot is used without domains

Message ID 20230404204346.urftnbdrquetm7jw@X-kone
State New
Headers
Series [bug#62642,v2] services: certbot: Fix nginx crash when certbot is used without domains |

Commit Message

Saku Laesvuori April 4, 2023, 8:43 p.m. UTC
  * gnu/services/certbot.scm (certbot-nginx-server-configurations):
Don't return a broken nginx-server-configuration with empty server_name
when no certificate domains are configured. Instead add a separate
server for every certificate, so 0 certificates adds 0 servers.
---
 gnu/services/certbot.scm | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)


base-commit: 2cf71e725d55bc5bf1ad663b7c696516299cc8a7
  

Comments

Ludovic Courtès June 18, 2023, 9:11 p.m. UTC | #1
Hi Saku,

Saku Laesvuori <saku@laesvuori.fi> skribis:

> * gnu/services/certbot.scm (certbot-nginx-server-configurations):
> Don't return a broken nginx-server-configuration with empty server_name
> when no certificate domains are configured. Instead add a separate
> server for every certificate, so 0 certificates adds 0 servers.

Finally applied.

Thank you, and thanks to Bruno for reviewing!

Ludo’.
  

Patch

diff --git a/gnu/services/certbot.scm b/gnu/services/certbot.scm
index 8e6784df2b..0c45471659 100644
--- a/gnu/services/certbot.scm
+++ b/gnu/services/certbot.scm
@@ -173,20 +173,24 @@  (define certbot-nginx-server-configurations
   (match-lambda
     (($ <certbot-configuration> package webroot certificates email
                                 server rsa-key-size default-location)
-     (list
-      (nginx-server-configuration
-       (listen '("80" "[::]:80"))
-       (ssl-certificate #f)
-       (ssl-certificate-key #f)
-       (server-name
-        (apply append (map certificate-configuration-domains certificates)))
-       (locations
-        (filter identity
-                (list
-                 (nginx-location-configuration
-                  (uri "/.well-known")
-                  (body (list (list "root " webroot ";"))))
-                 default-location))))))))
+     (define (certificate->nginx-server certificate-configuration)
+       (match-record certificate-configuration <certificate-configuration> 
+         (domains challenge)
+         (nginx-server-configuration
+          (listen '("80" "[::]:80"))
+          (ssl-certificate #f)
+          (ssl-certificate-key #f)
+          (server-name domains)
+          (locations
+           (filter identity
+                   (append
+                    (if challenge
+                      '()
+                      (list (nginx-location-configuration
+                             (uri "/.well-known")
+                             (body (list (list "root " webroot ";"))))))
+                    (list default-location)))))))
+     (map certificate->nginx-server certificates))))
 
 (define certbot-service-type
   (service-type (name 'certbot)