/
load_linux.go
80 lines (65 loc) · 1.62 KB
/
load_linux.go
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//<developer>
// <name>linapex 曹一峰</name>
// <email>linapex@163.com</email>
// <wx>superexc</wx>
// <qqgroup>128148617</qqgroup>
// <url>https://jsq.ink</url>
// <role>pku engineer</role>
// <date>2019-03-16 19:56:44</date>
//</624460182625193984>
//+建设!诺普洛金
package loader
import (
"errors"
"fmt"
"os"
"path/filepath"
"plugin"
iplugin "github.com/ipfs/go-ipfs/plugin"
)
func init() {
loadPluginsFunc = linuxLoadFunc
}
func linuxLoadFunc(pluginDir string) ([]iplugin.Plugin, error) {
var plugins []iplugin.Plugin
err := filepath.Walk(pluginDir, func(fi string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
if fi != pluginDir {
log.Warningf("found directory inside plugins directory: %s", fi)
}
return nil
}
if info.Mode().Perm()&0111 == 0 {
//文件不是可执行文件,我们不加载它
//这是为了防止加载插件,例如不可执行的插件
//安装,一些/tmp安装标记为安全
log.Errorf("non-executable file in plugins directory: %s", fi)
return nil
}
if newPlugins, err := loadPlugin(fi); err == nil {
plugins = append(plugins, newPlugins...)
} else {
return fmt.Errorf("loading plugin %s: %s", fi, err)
}
return nil
})
return plugins, err
}
func loadPlugin(fi string) ([]iplugin.Plugin, error) {
pl, err := plugin.Open(fi)
if err != nil {
return nil, err
}
pls, err := pl.Lookup("Plugins")
if err != nil {
return nil, err
}
typePls, ok := pls.(*[]iplugin.Plugin)
if !ok {
return nil, errors.New("filed 'Plugins' didn't contain correct type")
}
return *typePls, nil
}