From d7242fee96b32b6b1ba4cec6952b143019b59b78 Mon Sep 17 00:00:00 2001
From: Randall Winkhart <idgr@tutanota.com>
Date: Sat, 7 Feb 2026 15:05:15 -0500
Subject: [PATCH] Native support for iOS dirs; bind SSH dir to variable

---
 core/init.go            |  4 ++--
 global/2globals_IOS.go  | 27 +++++++++++++++++++++++++++
 global/2globals_UNIX.go |  3 ++-
 global/2globals_WIN.go  |  1 +
 syncclient/client.go    |  2 +-
 5 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 global/2globals_IOS.go

diff --git a/core/init.go b/core/init.go
index 52fdb9e..d57256d 100644
--- a/core/init.go
+++ b/core/init.go
@@ -46,7 +46,7 @@ func LibmuttonInit(inputCB func(prompt string) string, rcwPassword []byte, appen
 		}
 	} else {
 		// ensure ssh key file exists (and is a file)
-		fallbackSSHKey := back.Home + global.PathSeparator + ".ssh" + global.PathSeparator + "id_ed25519"
+		fallbackSSHKey := global.SSHDir + global.PathSeparator + "id_ed25519"
 		sshKeyPath := cmp.Or(back.ExpandPathWithHome(inputCB("SSH private identity file path (falls back to \""+fallbackSSHKey+"\"):")), fallbackSSHKey)
 		_, err := back.TargetIsFile(sshKeyPath, true)
 		if err != nil {
@@ -70,7 +70,7 @@ func LibmuttonInit(inputCB func(prompt string) string, rcwPassword []byte, appen
 			return errors.New("unable to initialize libmutton directories: " + err.Error())
 		}
 		//// write config file
-		//// temporarily leave sshEntryRootPath, sshAgeDirPath, and sshIsWindows as nil to pass initial device ID registration
+		//// temporarily leave sshEntryRootPath, sshAgeDirPath, and sshIsWindows as nil/default to pass initial device ID registration
 		newCfg.Libmutton.OfflineMode = &forceOfflineMode // forceOfflineMode must be false to reach this point, so we can avoid the extra declaration
 		newCfg.Libmutton.SSHUser = &sshUser
 		newCfg.Libmutton.SSHIP = &sshIP
diff --git a/global/2globals_IOS.go b/global/2globals_IOS.go
new file mode 100644
index 0000000..84e3cb4
--- /dev/null
+++ b/global/2globals_IOS.go
@@ -0,0 +1,27 @@
+//go:build ios
+
+package global
+
+import (
+	"path/filepath"
+
+	"github.com/rwinkhart/go-boilerplate/back"
+)
+
+func init() {
+	// get the app's Library/Application Support directory (private, not backed up by iCloud)
+	back.Home = filepath.Join(back.Home, "Library", "Application Support", "libmutton-ios")
+}
+
+var (
+	EntryRoot = back.Home + "/entries"        // Path to libmutton entry directory
+	CfgDir    = back.Home + "/config"         // Path to libmutton configuration directory
+	CfgPath   = CfgDir + "/libmuttoncfg.json" // Path to libmutton configuration file
+	AgeDir    = CfgDir + "/age"               // Path to libmutton password age directory
+	SSHDir    = back.Home + "/ssh"            // Path to SSH directory
+)
+
+const (
+	PathSeparator = "/"   // Platform-specific path separator
+	IsWindows     = false // Platform indicator
+)
diff --git a/global/2globals_UNIX.go b/global/2globals_UNIX.go
index 4afaac0..eaf72c5 100644
--- a/global/2globals_UNIX.go
+++ b/global/2globals_UNIX.go
@@ -1,4 +1,4 @@
-//go:build !windows
+//go:build !windows && !ios && !android
 
 package global
 
@@ -9,6 +9,7 @@ var (
 	CfgDir    = back.Home + "/.config/libmutton"      // Path to libmutton configuration directory
 	CfgPath   = CfgDir + "/libmuttoncfg.json"         // Path to libmutton configuration file
 	AgeDir    = CfgDir + "/age"                       // Path to libmutton password age directory
+	SSHDir    = back.Home + "/.ssh"                   // Path to SSH directory
 )
 
 const (
diff --git a/global/2globals_WIN.go b/global/2globals_WIN.go
index 641f858..6704cab 100644
--- a/global/2globals_WIN.go
+++ b/global/2globals_WIN.go
@@ -9,6 +9,7 @@ var (
 	CfgDir    = back.Home + "\\AppData\\Local\\libmutton\\config"  // Path to libmutton configuration directory
 	CfgPath   = CfgDir + "\\libmuttoncfg.json"                     // Path to libmutton configuration file
 	AgeDir    = CfgDir + "\\age"                                   // Path to libmutton password age directory
+	SSHDir    = back.Home + "\\.ssh"                               // Path to SSH directory
 )
 
 const (
diff --git a/syncclient/client.go b/syncclient/client.go
index 173d286..a8298a4 100644
--- a/syncclient/client.go
+++ b/syncclient/client.go
@@ -60,7 +60,7 @@ func GetSSHClient() (*ssh.Client, bool, *bool, *string, *string, error) {
 
 	// read known hosts file
 	var hostKeyCallback ssh.HostKeyCallback
-	hostKeyCallback, err = knownhosts.New(back.Home + global.PathSeparator + ".ssh" + global.PathSeparator + "known_hosts")
+	hostKeyCallback, err = knownhosts.New(global.SSHDir + global.PathSeparator + "known_hosts")
 	if err != nil {
 		return nil, false, nil, nil, nil, errors.New("unable to read known hosts file: " + err.Error())
 	}