From 5d8318df47a5db9c178dacc1b17c2381cf528df4 Mon Sep 17 00:00:00 2001
From: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Date: Thu, 15 May 2025 11:25:12 +0200
Subject: [PATCH] github resolve DNS

---
 misc/install.func | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/misc/install.func b/misc/install.func
index c7bb8ee..39c8907 100644
--- a/misc/install.func
+++ b/misc/install.func
@@ -123,8 +123,18 @@ network_check() {
     fi
   fi
 
-  RESOLVEDIP=$(getent hosts github.com | awk '{ print $1 }')
-  if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to ${BL}$RESOLVEDIP${CL}"; fi
+  GITHUB_HOSTS=("github.com" "raw.githubusercontent.com" "api.github.com")
+
+  for HOST in "${GITHUB_HOSTS[@]}"; do
+    RESOLVEDIP=$(getent hosts "$HOST" | awk '{ print $1 }')
+    if [[ -z "$RESOLVEDIP" || (! "$RESOLVEDIP" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ && ! "$RESOLVEDIP" =~ ^([a-fA-F0-9:]+)$) ]]; then
+      msg_error "DNS resolution failed or invalid IP for $HOST"
+      exit 1
+    else
+      msg_ok "Resolved $HOST → ${BL}$RESOLVEDIP${CL}"
+    fi
+  done
+
   set -e
   trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 }