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wireguard-tools: fix string indexing in endpoint host check

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Use substr() instead of array index syntax to access the first
character of the endpoint host string, as ucode does not support
array-style indexing on strings.

Fixes: https://github.com/openwrt/openwrt/issues/22116
Fixes: 8f977b4a40 ("wireguard-tools: fix handling of multi-value config options")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2026-02-20 18:05:45 +00:00
parent e95cfd2ad7
commit 2256cfac68
1 changed files with 1 additions and 1 deletions
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2
package/network/utils/wireguard-tools/files/wireguard.uc
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@ -123,7 +123,7 @@ function proto_setup(proto) {
if (peer.endpoint_host) {
let eph = peer.endpoint_host;
if (index(eph, ':') >= 0 && eph[0] != '[')
if (index(eph, ':') >= 0 && substr(eph, 0, 1) != '[')
eph = sprintf('[%s]', eph);
wg_config += sprintf('Endpoint=%s:%s\n', eph, peer.endpoint_port);
}