From 8c580997c905e566e0f7b063942f45a416919aa7 Mon Sep 17 00:00:00 2001
From: Reza <r3xcr4py@protonmail.com>
Date: Fri, 17 Feb 2023 16:33:41 +0330
Subject: [PATCH] check github api status code to avoid undefined behavior in
 case of errors

---
 install-release.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/install-release.sh b/install-release.sh
index 0313525..ac11f0b 100644
--- a/install-release.sh
+++ b/install-release.sh
@@ -243,11 +243,17 @@ get_version() {
   fi
   # Get V2Ray release version number
   TMP_FILE="$(mktemp)"
-  if ! curl -x "${PROXY}" -sS -H "Accept: application/vnd.github.v3+json" -o "$TMP_FILE" 'https://api.github.com/repos/v2fly/v2ray-core/releases/latest'; then
+  if ! curl -x "${PROXY}" -sS -i -H "Accept: application/vnd.github.v3+json" -o "$TMP_FILE" 'https://api.github.com/repos/v2fly/v2ray-core/releases/latest'; then
     "rm" "$TMP_FILE"
     echo 'error: Failed to get release list, please check your network.'
     exit 1
   fi
+  HTTP_STATUS_CODE="$(awk 'NR==1 {print $2}' "$TMP_FILE")"
+  if [ "$HTTP_STATUS_CODE" != "200" ]; then
+	  "rm" "$TMP_FILE"
+	  echo "error: Failed to get release list, GitHub API response code: $HTTP_STATUS_CODE"
+	  exit 1
+  fi
   RELEASE_LATEST="$(sed 'y/,/\n/' "$TMP_FILE" | grep 'tag_name' | awk -F '"' '{print $4}')"
   "rm" "$TMP_FILE"
   RELEASE_VERSION="v${RELEASE_LATEST#v}"