[pve-devel] [PATCH proxmox] fix #7077: Improve error message for SDN IDs shorter than 2 characters

Arthur Bied-Charreton a.bied-charreton at proxmox.com
Wed Jan 21 11:32:31 CET 2026


The regex in verify_sdn_id implicitly requires at least 2 characters, but
shorter IDs only failed with "contains illegal characters". Now return a
clearer error message for this case.

Signed-off-by: Arthur Bied-Charreton <a.bied-charreton at proxmox.com>
---
 pve-api-types/src/types/verifiers.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pve-api-types/src/types/verifiers.rs b/pve-api-types/src/types/verifiers.rs
index c45063b5..aa6c7f40 100644
--- a/pve-api-types/src/types/verifiers.rs
+++ b/pve-api-types/src/types/verifiers.rs
@@ -269,6 +269,10 @@ pub fn verify_sdn_id(s: &str) -> Result<(), Error> {
         bail!("SDN ID cannot be longer than 8 characters")
     }
 
+    if s.len() < 2 {
+        bail!("SDN ID cannot be shorter than 2 characters");
+    }
+
     if !SDN_ID.is_match(s) {
         bail!("SDN ID contains illegal characters");
     }
-- 
2.47.3




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