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path: root/src/nshd/hackers_git/hackers_parse.go
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package hackers_git

import (
	"fmt"
	yaml "gopkg.in/yaml.v2"
	"io/ioutil"
	"os"
)

func filename2uid(filename string) int32 {
	// TODO
	return 0
}

var usersGid = name2gid("users")

func load_user_yaml(filename string) (ret user, err error) {
	ret.passwd.UID = filename2uid(filename)

	if ret.passwd.UID < 0 {
		err = fmt.Errorf("Invalid user filename: %q", filename)
		return
	}
	file, err := os.Open(filename)
	if err != nil {
		return
	}
	contents, err := ioutil.ReadAll(file)
	if err != nil {
		return
	}
	var _data interface{}
	err = yaml.Unmarshal(contents, &_data)
	if err != nil {
		return
	}
	data, isMap := _data.(map[interface{}]interface{})
	errs := []string{}
	if !isMap {
		errs = append(errs, "root node is not a map")
	} else {
		if iface, isSet := data["username"]; !isSet {
			errs = append(errs, "\"username\" is not set")
		} else if str, isTyp := iface.(string); !isTyp {
			errs = append(errs, "\"username\" is not a string")
		} else {
			ret.passwd.Name = str
			ret.passwd.HomeDir = "/home/" + str
		}

		if iface, isSet := data["fullname"]; !isSet {
			errs = append(errs, "\"fullname\" is not set")
		} else if str, isTyp := iface.(string); !isTyp {
			errs = append(errs, "\"fullname\" is not a string")
		} else {
			ret.passwd.GECOS = str
		}

		if iface, isSet := data["shell"]; !isSet {
			errs = append(errs, "\"shell\" is not set")
		} else if str, isTyp := iface.(string); !isTyp {
			errs = append(errs, "\"shell\" is not a string")
		} else {
			ret.passwd.Shell = str
		}

		if iface, isSet := data["groups"]; !isSet {
			errs = append(errs, "\"groups\" is not set")
		} else if ary, isTyp := iface.([]interface{}); !isTyp {
			errs = append(errs, "\"groups\" is not an array")
		} else {
			groups := make([]string, len(ary))
			e := false
			for i, iface := range ary {
				if str, isTyp := iface.(string); !isTyp {
					errs = append(errs, "\"group\" item is not an array")
					e = true
					break
				} else {
					groups[i] = str
				}
			}
			if !e {
				ret.groups = groups
			}
		}
	}
	if len(errs) > 0 {
		err = &yaml.TypeError{errs}
	}

	ret.passwd.Password = "x"
	ret.passwd.GID = usersGid
	ret.pwhash = "!"

	return
}

func load_user_password(filename string) string {
	// TODO
	return "!"
}