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[nncp.git] / src / cfgdir.go

diff --git a/src/cfgdir.go b/src/cfgdir.go
index a68699173cce1ffbe6f9856a30fb028e35e34cb5..f9378c8b34c6abd94294a44fc4842f73c209e052 100644 (file)
--- a/src/cfgdir.go
+++ b/src/cfgdir.go
@@ -1,6 +1,6 @@
 /*
 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
-Copyright (C) 2016-2022 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2016-2023 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -18,8 +18,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 package nncp
 
 import (
+       "errors"
        "fmt"
-       "io/ioutil"
+       "io/fs"
        "os"
        "path/filepath"
        "sort"
@@ -65,7 +66,7 @@ func cfgDirSave(v interface{}, dst ...string) error {
        if strings.HasSuffix(dst[len(dst)-1], "prv") {
                mode = os.FileMode(0600)
        }
-       return ioutil.WriteFile(filepath.Join(dst...), []byte(r+"\n"), mode)
+       return os.WriteFile(filepath.Join(dst...), []byte(r+"\n"), mode)
 }
 
 func cfgDirTouch(dst ...string) error {
@@ -418,13 +419,24 @@ func CfgToDir(dst string, cfg *CfgJSON) (err error) {
                }
        }
 
+       if len(cfg.YggdrasilAliases) > 0 {
+               if err = cfgDirMkdir(dst, "yggdrasil-aliases"); err != nil {
+                       return
+               }
+               for alias, v := range cfg.YggdrasilAliases {
+                       if err = cfgDirSave(v, dst, "yggdrasil-aliases", alias); err != nil {
+                               return
+                       }
+               }
+       }
+
        return
 }
 
 func cfgDirLoad(src ...string) (v string, exists bool, err error) {
-       b, err := ioutil.ReadFile(filepath.Join(src...))
+       b, err := os.ReadFile(filepath.Join(src...))
        if err != nil {
-               if os.IsNotExist(err) {
+               if errors.Is(err, fs.ErrNotExist) {
                        return "", false, nil
                }
                return "", false, err
@@ -520,8 +532,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                cfg.MCDRxIfis = strings.Split(*sp, "\n")
        }
 
-       fis, err := ioutil.ReadDir(filepath.Join(src, "mcd-send"))
-       if err != nil && !os.IsNotExist(err) {
+       fis, err := os.ReadDir(filepath.Join(src, "mcd-send"))
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
                return nil, err
        }
        if len(fis) > 0 {
@@ -532,7 +544,7 @@ func DirToCfg(src string) (*CfgJSON, error) {
                if n[0] == '.' {
                        continue
                }
-               b, err := ioutil.ReadFile(filepath.Join(src, "mcd-send", fi.Name()))
+               b, err := os.ReadFile(filepath.Join(src, "mcd-send", fi.Name()))
                if err != nil {
                        return nil, err
                }
@@ -554,8 +566,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                        return nil, err
                }
        }
-       fis, err = ioutil.ReadDir(filepath.Join(src, "notify", "exec"))
-       if err != nil && !os.IsNotExist(err) {
+       fis, err = os.ReadDir(filepath.Join(src, "notify", "exec"))
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
                return nil, err
        }
        for _, fi := range fis {
@@ -571,7 +583,7 @@ func DirToCfg(src string) (*CfgJSON, error) {
                cfg.Notify = &notify
        }
 
-       if _, err = ioutil.ReadDir(filepath.Join(src, "self")); err == nil {
+       if _, err = os.ReadDir(filepath.Join(src, "self")); err == nil {
                self := NodeOurJSON{}
                if self.Id, err = cfgDirLoadMust(src, "self", "id"); err != nil {
                        return nil, err
@@ -595,13 +607,13 @@ func DirToCfg(src string) (*CfgJSON, error) {
                        return nil, err
                }
                cfg.Self = &self
-       } else if !os.IsNotExist(err) {
+       } else if !errors.Is(err, fs.ErrNotExist) {
                return nil, err
        }
 
        cfg.Neigh = make(map[string]NodeJSON)
-       fis, err = ioutil.ReadDir(filepath.Join(src, "neigh"))
-       if err != nil && !os.IsNotExist(err) {
+       fis, err = os.ReadDir(filepath.Join(src, "neigh"))
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
                return nil, err
        }
        for _, fi := range fis {
@@ -627,8 +639,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                }
 
                node.Exec = make(map[string][]string)
-               fis2, err := ioutil.ReadDir(filepath.Join(src, "neigh", n, "exec"))
-               if err != nil && !os.IsNotExist(err) {
+               fis2, err := os.ReadDir(filepath.Join(src, "neigh", n, "exec"))
+               if err != nil && !errors.Is(err, fs.ErrNotExist) {
                        return nil, err
                }
                for _, fi2 := range fis2 {
@@ -686,8 +698,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                }
 
                node.Addrs = make(map[string]string)
-               fis2, err = ioutil.ReadDir(filepath.Join(src, "neigh", n, "addrs"))
-               if err != nil && !os.IsNotExist(err) {
+               fis2, err = os.ReadDir(filepath.Join(src, "neigh", n, "addrs"))
+               if err != nil && !errors.Is(err, fs.ErrNotExist) {
                        return nil, err
                }
                for _, fi2 := range fis2 {
@@ -736,8 +748,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                        node.MaxOnlineTime = &i
                }
 
-               fis2, err = ioutil.ReadDir(filepath.Join(src, "neigh", n, "calls"))
-               if err != nil && !os.IsNotExist(err) {
+               fis2, err = os.ReadDir(filepath.Join(src, "neigh", n, "calls"))
+               if err != nil && !errors.Is(err, fs.ErrNotExist) {
                        return nil, err
                }
                callsIdx := make([]int, 0, len(fis2))
@@ -850,8 +862,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
        }
 
        cfg.Areas = make(map[string]AreaJSON)
-       fis, err = ioutil.ReadDir(filepath.Join(src, "areas"))
-       if err != nil && !os.IsNotExist(err) {
+       fis, err = os.ReadDir(filepath.Join(src, "areas"))
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
                return nil, err
        }
        for _, fi := range fis {
@@ -879,8 +891,8 @@ func DirToCfg(src string) (*CfgJSON, error) {
                }
 
                area.Exec = make(map[string][]string)
-               fis2, err := ioutil.ReadDir(filepath.Join(src, "areas", n, "exec"))
-               if err != nil && !os.IsNotExist(err) {
+               fis2, err := os.ReadDir(filepath.Join(src, "areas", n, "exec"))
+               if err != nil && !errors.Is(err, fs.ErrNotExist) {
                        return nil, err
                }
                for _, fi2 := range fis2 {
@@ -905,5 +917,24 @@ func DirToCfg(src string) (*CfgJSON, error) {
                cfg.Areas[n] = area
        }
 
+       fis, err = os.ReadDir(filepath.Join(src, "yggdrasil-aliases"))
+       if err != nil && !errors.Is(err, fs.ErrNotExist) {
+               return nil, err
+       }
+       if len(fis) > 0 {
+               cfg.YggdrasilAliases = make(map[string]string, len(fis))
+       }
+       for _, fi := range fis {
+               n := fi.Name()
+               if n[0] == '.' {
+                       continue
+               }
+               b, err := os.ReadFile(filepath.Join(src, "yggdrasil-aliases", fi.Name()))
+               if err != nil {
+                       return nil, err
+               }
+               cfg.YggdrasilAliases[n] = strings.TrimSuffix(string(b), "\n")
+       }
+
        return &cfg, nil
 }