diff options
Diffstat (limited to 'pkg/wgconf/wgconf.go')
| -rw-r--r-- | pkg/wgconf/wgconf.go | 55 |
1 files changed, 42 insertions, 13 deletions
diff --git a/pkg/wgconf/wgconf.go b/pkg/wgconf/wgconf.go index 2615892..36434ba 100644 --- a/pkg/wgconf/wgconf.go +++ b/pkg/wgconf/wgconf.go @@ -22,6 +22,23 @@ type Peer struct { AllowedIPs []string } +// stripComment removes inline and block comments from a line, keeping spaces intact otherwise. +func stripComment(line string) string { + line = strings.TrimSpace(line) + if line == "" || strings.HasPrefix(line, "#") || strings.HasPrefix(line, ";") { + return "" + } + + // Find the first occurrence of '#' or ';' preceded by a whitespace character. + // This protects characters like '#' if they are part of a key/value with no leading whitespace. + for i := 1; i < len(line); i++ { + if (line[i] == '#' || line[i] == ';') && (line[i-1] == ' ' || line[i-1] == '\t') { + return strings.TrimSpace(line[:i]) + } + } + return line +} + // Parse reads a WireGuard .conf file and returns a Config struct. func Parse(path string) (*Config, error) { file, err := os.Open(path) @@ -40,18 +57,23 @@ func Parse(path string) (*Config, error) { scanner := bufio.NewScanner(file) for scanner.Scan() { - line := strings.TrimSpace(scanner.Text()) - if line == "" || strings.HasPrefix(line, "#") { + line := stripComment(scanner.Text()) + if line == "" { continue } - if strings.HasPrefix(line, "[") { - section := strings.Trim(line, "[]") - if section == "Peer" { + if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") { + section := strings.ToLower(strings.Trim(line, "[] \t")) + if section == "peer" { if currentPeer != nil { cfg.Peers = append(cfg.Peers, *currentPeer) } currentPeer = &Peer{} + } else { + if currentPeer != nil { + cfg.Peers = append(cfg.Peers, *currentPeer) + currentPeer = nil + } } continue } @@ -61,25 +83,32 @@ func Parse(path string) (*Config, error) { return nil, fmt.Errorf("invalid line format: %s", line) } - key := strings.TrimSpace(parts[0]) + key := strings.ToLower(strings.TrimSpace(parts[0])) val := strings.TrimSpace(parts[1]) if currentPeer != nil { switch key { - case "PublicKey": + case "publickey": currentPeer.PublicKey = val - case "Endpoint": + case "endpoint": currentPeer.Endpoint = val - case "AllowedIPs": - currentPeer.AllowedIPs = strings.Split(val, ",") + case "allowedips": + var ips []string + for _, ip := range strings.Split(val, ",") { + trimmed := strings.TrimSpace(ip) + if trimmed != "" { + ips = append(ips, trimmed) + } + } + currentPeer.AllowedIPs = ips } } else { switch key { - case "PrivateKey": + case "privatekey": cfg.PrivateKey = val - case "Address": + case "address": cfg.Address = val - case "DNS": + case "dns": cfg.DNS = val } } |
