forked from cerc-io/ipld-eth-server
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
// +build !noplugin
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package loader
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"plugin"
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iplugin "github.com/ipfs/go-ipfs/plugin"
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)
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func init() {
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loadPluginsFunc = linuxLoadFunc
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}
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func linuxLoadFunc(pluginDir string) ([]iplugin.Plugin, error) {
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var plugins []iplugin.Plugin
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err := filepath.Walk(pluginDir, func(fi string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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if fi != pluginDir {
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log.Warningf("found directory inside plugins directory: %s", fi)
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}
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return nil
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}
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if info.Mode().Perm()&0111 == 0 {
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// file is not executable let's not load it
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// this is to prevent loading plugins from for example non-executable
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// mounts, some /tmp mounts are marked as such for security
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log.Errorf("non-executable file in plugins directory: %s", fi)
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return nil
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}
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if newPlugins, err := loadPlugin(fi); err == nil {
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plugins = append(plugins, newPlugins...)
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} else {
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return fmt.Errorf("loading plugin %s: %s", fi, err)
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}
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return nil
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})
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return plugins, err
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}
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func loadPlugin(fi string) ([]iplugin.Plugin, error) {
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pl, err := plugin.Open(fi)
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if err != nil {
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return nil, err
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}
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pls, err := pl.Lookup("Plugins")
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if err != nil {
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return nil, err
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}
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typePls, ok := pls.(*[]iplugin.Plugin)
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if !ok {
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return nil, errors.New("filed 'Plugins' didn't contain correct type")
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}
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return *typePls, nil
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}
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