opnsense-VM: Use ip link to verify bridge existence

Replace grep on /etc/network/interfaces with ip link show checks when validating bridge interfaces.. This removes dependency on the interfaces file (which may not reflect actual links) and updates error messages accordingly in default_settings and advanced_settings functions.

ct/headers/zerobyte

@@ -1,6 +0,0 @@
- _____                   __          __     
-/__  /  ___  _________  / /_  __  __/ /____ 
-  / /  / _ \/ ___/ __ \/ __ \/ / / / __/ _ \
- / /__/  __/ /  / /_/ / /_/ / /_/ / /_/  __/
-/____/\___/_/   \____/_.___/\__, /\__/\___/ 
-                           /____/           

misc/tools.func

@@ -783,25 +783,16 @@ github_api_call() {
 
   for attempt in $(seq 1 $max_retries); do
     local http_code
-    http_code=$(curl -sSL -w "%{http_code}" -o "$output_file" \
+    http_code=$(curl -fsSL -w "%{http_code}" -o "$output_file" \
       -H "Accept: application/vnd.github+json" \
       -H "X-GitHub-Api-Version: 2022-11-28" \
       "${header_args[@]}" \
-      "$url" 2>/dev/null) || true
+      "$url" 2>/dev/null || echo "000")
 
     case "$http_code" in
     200)
       return 0
       ;;
-    401)
-      msg_error "GitHub API authentication failed (HTTP 401)."
-      if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-        msg_error "Your GITHUB_TOKEN appears to be invalid or expired."
-      else
-        msg_error "The repository may require authentication. Try: export GITHUB_TOKEN=\"ghp_your_token\""
-      fi
-      return 1
-      ;;
     403)
       # Rate limit - check if we can retry
       if [[ $attempt -lt $max_retries ]]; then
@@ -810,22 +801,11 @@ github_api_call() {
         retry_delay=$((retry_delay * 2))
         continue
       fi
-      msg_error "GitHub API rate limit exceeded (HTTP 403)."
+      msg_error "GitHub API rate limit exceeded. Set GITHUB_TOKEN to increase limits."
-      msg_error "To increase the limit, export a GitHub token before running the script:"
-      msg_error "  export GITHUB_TOKEN=\"ghp_your_token_here\""
       return 1
       ;;
     404)
-      msg_error "GitHub repository or release not found (HTTP 404): $url"
+      msg_error "GitHub API endpoint not found: $url"
-      return 1
-      ;;
-    000 | "")
-      if [[ $attempt -lt $max_retries ]]; then
-        sleep "$retry_delay"
-        continue
-      fi
-      msg_error "GitHub API connection failed (no response)."
-      msg_error "Check your network/DNS: curl -sSL https://api.github.com/rate_limit"
       return 1
       ;;
     *)
@@ -833,7 +813,7 @@ github_api_call() {
         sleep "$retry_delay"
         continue
       fi
-      msg_error "GitHub API call failed (HTTP $http_code)."
+      msg_error "GitHub API call failed with HTTP $http_code"
       return 1
       ;;
     esac
@@ -853,18 +833,14 @@ codeberg_api_call() {
 
   for attempt in $(seq 1 $max_retries); do
     local http_code
-    http_code=$(curl -sSL -w "%{http_code}" -o "$output_file" \
+    http_code=$(curl -fsSL -w "%{http_code}" -o "$output_file" \
       -H "Accept: application/json" \
-      "$url" 2>/dev/null) || true
+      "$url" 2>/dev/null || echo "000")
 
     case "$http_code" in
     200)
       return 0
       ;;
-    401)
-      msg_error "Codeberg API authentication failed (HTTP 401)."
-      return 1
-      ;;
     403)
       # Rate limit - retry
       if [[ $attempt -lt $max_retries ]]; then
@@ -873,20 +849,11 @@ codeberg_api_call() {
         retry_delay=$((retry_delay * 2))
         continue
       fi
-      msg_error "Codeberg API rate limit exceeded (HTTP 403)."
+      msg_error "Codeberg API rate limit exceeded."
       return 1
       ;;
     404)
-      msg_error "Codeberg repository or release not found (HTTP 404): $url"
+      msg_error "Codeberg API endpoint not found: $url"
-      return 1
-      ;;
-    000 | "")
-      if [[ $attempt -lt $max_retries ]]; then
-        sleep "$retry_delay"
-        continue
-      fi
-      msg_error "Codeberg API connection failed (no response)."
-      msg_error "Check your network/DNS: curl -sSL https://codeberg.org"
       return 1
       ;;
     *)
@@ -894,7 +861,7 @@ codeberg_api_call() {
         sleep "$retry_delay"
         continue
       fi
-      msg_error "Codeberg API call failed (HTTP $http_code)."
+      msg_error "Codeberg API call failed with HTTP $http_code"
       return 1
       ;;
     esac
@@ -1474,7 +1441,7 @@ get_latest_github_release() {
 
   if ! github_api_call "https://api.github.com/repos/${repo}/releases/latest" "$temp_file"; then
     rm -f "$temp_file"
-    return 0
+    return 1
   fi
 
   local version
@@ -1482,8 +1449,7 @@ get_latest_github_release() {
   rm -f "$temp_file"
 
   if [[ -z "$version" ]]; then
-    msg_error "Could not determine latest version for ${repo}"
+    return 1
-    return 0
   fi
 
   echo "$version"
@@ -1500,7 +1466,7 @@ get_latest_codeberg_release() {
   # Codeberg API: get all releases and pick the first non-draft/non-prerelease
   if ! codeberg_api_call "https://codeberg.org/api/v1/repos/${repo}/releases" "$temp_file"; then
     rm -f "$temp_file"
-    return 0
+    return 1
   fi
 
   local version
@@ -1514,8 +1480,7 @@ get_latest_codeberg_release() {
   rm -f "$temp_file"
 
   if [[ -z "$version" ]]; then
-    msg_error "Could not determine latest version for ${repo}"
+    return 1
-    return 0
   fi
 
   echo "$version"
@@ -1602,34 +1567,13 @@ get_latest_gh_tag() {
     "${header_args[@]}" \
     "https://api.github.com/repos/${repo}/tags?per_page=100" 2>/dev/null) || true
 
-  if [[ "$http_code" == "401" ]]; then
-    msg_error "GitHub API authentication failed (HTTP 401)."
-    if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-      msg_error "Your GITHUB_TOKEN appears to be invalid or expired."
-    else
-      msg_error "The repository may require authentication. Try: export GITHUB_TOKEN=\"ghp_your_token\""
-    fi
-    rm -f /tmp/gh_tags.json
-    return 1
-  fi
-
   if [[ "$http_code" == "403" ]]; then
-    msg_error "GitHub API rate limit exceeded (HTTP 403)."
+    msg_warn "GitHub API rate limit exceeded while fetching tags for ${repo}"
-    msg_error "To increase the limit, export a GitHub token before running the script:"
-    msg_error "  export GITHUB_TOKEN=\"ghp_your_token_here\""
-    rm -f /tmp/gh_tags.json
-    return 1
-  fi
-
-  if [[ "$http_code" == "000" || -z "$http_code" ]]; then
-    msg_error "GitHub API connection failed (no response)."
-    msg_error "Check your network/DNS: curl -sSL https://api.github.com/rate_limit"
     rm -f /tmp/gh_tags.json
     return 1
   fi
 
   if [[ "$http_code" != "200" ]] || [[ ! -s /tmp/gh_tags.json ]]; then
-    msg_error "Unable to fetch tags for ${repo} (HTTP ${http_code})"
     rm -f /tmp/gh_tags.json
     return 1
   fi
@@ -1715,15 +1659,6 @@ check_for_gh_release() {
 
     if [[ "$http_code" == "200" ]] && [[ -s /tmp/gh_check.json ]]; then
       releases_json="[$(</tmp/gh_check.json)]"
-    elif [[ "$http_code" == "401" ]]; then
-      msg_error "GitHub API authentication failed (HTTP 401)."
-      if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-        msg_error "Your GITHUB_TOKEN appears to be invalid or expired."
-      else
-        msg_error "The repository may require authentication. Try: export GITHUB_TOKEN=\"ghp_your_token\""
-      fi
-      rm -f /tmp/gh_check.json
-      return 1
     elif [[ "$http_code" == "403" ]]; then
       msg_error "GitHub API rate limit exceeded (HTTP 403)."
       msg_error "To increase the limit, export a GitHub token before running the script:"
@@ -1744,26 +1679,12 @@ check_for_gh_release() {
 
     if [[ "$http_code" == "200" ]] && [[ -s /tmp/gh_check.json ]]; then
       releases_json=$(</tmp/gh_check.json)
-    elif [[ "$http_code" == "401" ]]; then
-      msg_error "GitHub API authentication failed (HTTP 401)."
-      if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-        msg_error "Your GITHUB_TOKEN appears to be invalid or expired."
-      else
-        msg_error "The repository may require authentication. Try: export GITHUB_TOKEN=\"ghp_your_token\""
-      fi
-      rm -f /tmp/gh_check.json
-      return 1
     elif [[ "$http_code" == "403" ]]; then
       msg_error "GitHub API rate limit exceeded (HTTP 403)."
       msg_error "To increase the limit, export a GitHub token before running the script:"
       msg_error "  export GITHUB_TOKEN=\"ghp_your_token_here\""
       rm -f /tmp/gh_check.json
       return 1
-    elif [[ "$http_code" == "000" || -z "$http_code" ]]; then
-      msg_error "GitHub API connection failed (no response)."
-      msg_error "Check your network/DNS: curl -sSL https://api.github.com/rate_limit"
-      rm -f /tmp/gh_check.json
-      return 1
     else
       msg_error "Unable to fetch releases for ${app} (HTTP ${http_code})"
       rm -f /tmp/gh_check.json
@@ -2687,22 +2608,12 @@ function fetch_and_deploy_gh_release() {
   done
 
   if ! $success; then
-    if [[ "$http_code" == "401" ]]; then
+    if [[ "$http_code" == "403" ]]; then
-      msg_error "GitHub API authentication failed (HTTP 401)."
-      if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-        msg_error "Your GITHUB_TOKEN appears to be invalid or expired."
-      else
-        msg_error "The repository may require authentication. Try: export GITHUB_TOKEN=\"ghp_your_token\""
-      fi
-    elif [[ "$http_code" == "403" ]]; then
       msg_error "GitHub API rate limit exceeded (HTTP 403)."
       msg_error "To increase the limit, export a GitHub token before running the script:"
       msg_error "  export GITHUB_TOKEN=\"ghp_your_token_here\""
-    elif [[ "$http_code" == "000" || -z "$http_code" ]]; then
-      msg_error "GitHub API connection failed (no response)."
-      msg_error "Check your network/DNS: curl -sSL https://api.github.com/rate_limit"
     else
-      msg_error "Failed to fetch release metadata (HTTP $http_code)"
+      msg_error "Failed to fetch release metadata from $api_url after $max_retries attempts (HTTP $http_code)"
     fi
     return 1
   fi

vm/opnsense-vm.sh

@@ -288,8 +288,8 @@ function default_settings() {
   echo -e "${DGN}Using Hostname: ${BGN}${HN}${CL}"
   echo -e "${DGN}Allocated Cores: ${BGN}${CORE_COUNT}${CL}"
   echo -e "${DGN}Allocated RAM: ${BGN}${RAM_SIZE}${CL}"
-  if ! grep -q "^iface ${BRG}" /etc/network/interfaces; then
+  if ! ip link show "${BRG}" &>/dev/null; then
-    msg_error "Bridge '${BRG}' does not exist in /etc/network/interfaces"
+    msg_error "Bridge '${BRG}' does not exist"
     exit
   else
     echo -e "${DGN}Using LAN Bridge: ${BGN}${BRG}${CL}"
@@ -305,8 +305,8 @@ function default_settings() {
     if [ "$NETWORK_MODE" = "dual" ]; then
       echo -e "${DGN}Network Mode: ${BGN}Dual Interface (Firewall)${CL}"
       echo -e "${DGN}Using WAN MAC Address: ${BGN}${WAN_MAC}${CL}"
-      if ! grep -q "^iface ${WAN_BRG}" /etc/network/interfaces; then
+      if ! ip link show "${WAN_BRG}" &>/dev/null; then
-        msg_error "Bridge '${WAN_BRG}' does not exist in /etc/network/interfaces"
+        msg_error "Bridge '${WAN_BRG}' does not exist"
         exit
       else
         echo -e "${DGN}Using WAN Bridge: ${BGN}${WAN_BRG}${CL}"
@@ -424,8 +424,8 @@ function advanced_settings() {
     if [ -z $BRG ]; then
       BRG="vmbr0"
     fi
-    if ! grep -q "^iface ${BRG}" /etc/network/interfaces; then
+    if ! ip link show "${BRG}" &>/dev/null; then
-      msg_error "Bridge '${BRG}' does not exist in /etc/network/interfaces"
+      msg_error "Bridge '${BRG}' does not exist"
       exit
     fi
     echo -e "${DGN}Using LAN Bridge: ${BGN}$BRG${CL}"
@@ -474,8 +474,8 @@ function advanced_settings() {
     if [ -z $WAN_BRG ]; then
       WAN_BRG="vmbr1"
     fi
-    if ! grep -q "^iface ${WAN_BRG}" /etc/network/interfaces; then
+    if ! ip link show "${WAN_BRG}" &>/dev/null; then
-      msg_error "WAN Bridge '${WAN_BRG}' does not exist in /etc/network/interfaces"
+      msg_error "WAN Bridge '${WAN_BRG}' does not exist"
       exit
     fi
     echo -e "${DGN}Using WAN Bridge: ${BGN}$WAN_BRG${CL}"