perf: Migrated to libssh.org on Linux and MacOS for better ssh agent support.

closes #337

CHANGELOG.md

@@ -48,6 +48,7 @@ Released on 20/09/2025
 
 - [Issue 356](https://github.com/veeso/termscp/issues/356): Fixed SSH auth issue not trying with the password if any RSA key was found.
 - [Issue 334](https://github.com/veeso/termscp/issues/334): SMB support for MacOS with vendored build of libsmbclient.
+- [Issue 337](https://github.com/veeso/termscp/issues/337): Migrated to libssh.org on Linux and MacOS for better ssh agent support.
 
 ## 0.18.0
 

Cargo.lock

@@ -2574,6 +2574,31 @@ dependencies = [
  "redox_syscall",
 ]
 
+[[package]]
+name = "libssh-rs"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3066e110d6bb95a5addbd9c2ee595efdaeecaddd4793f3803dfee2968a74c685"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+ "libssh-rs-sys",
+ "openssl-sys",
+ "thiserror 1.0.69",
+]
+
+[[package]]
+name = "libssh-rs-sys"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01d528ea9ac190fa364ff12193da82222dfc645e7ab28666ae91493bd288a1a0"
+dependencies = [
+ "cc",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+]
+
 [[package]]
 name = "libssh2-sys"
 version = "0.3.1"
@@ -3608,6 +3633,7 @@ checksum = "d29de4702886ae0e4433904d4f6f9b2ed2961d31d76a7e7bef58305097238eb6"
 dependencies = [
  "chrono",
  "lazy-regex",
+ "libssh-rs",
  "log",
  "path-slash",
  "remotefs",

Cargo.toml

@@ -90,7 +90,10 @@ remotefs-ftp = { version = "^0.3", features = [
   "native-tls-vendored",
   "native-tls",
 ] }
-remotefs-ssh = { version = "^0.7", features = ["libssh2-vendored"] }
+remotefs-ssh = { version = "^0.7", default-features = false, features = [
+  "find",
+  "libssh-vendored",
+] }
 uzers = "0.12"
 
 [target."cfg(target_family = \"windows\")".dependencies]

src/filetransfer/remotefs_builder.rs

@@ -13,7 +13,11 @@ use remotefs_kube::KubeMultiPodFs as KubeFs;
 use remotefs_smb::SmbOptions;
 #[cfg(smb)]
 use remotefs_smb::{SmbCredentials, SmbFs};
-use remotefs_ssh::{LibSsh2Session, ScpFs, SftpFs, SshAgentIdentity, SshConfigParseRule, SshOpts};
+#[cfg(windows)]
+use remotefs_ssh::LibSsh2Session as SshSession;
+#[cfg(unix)]
+use remotefs_ssh::LibSshSession as SshSession;
+use remotefs_ssh::{ScpFs, SftpFs, SshAgentIdentity, SshConfigParseRule, SshOpts};
 use remotefs_webdav::WebDAVFs;
 
 #[cfg(not(smb))]
@@ -141,7 +145,7 @@ impl RemoteFsBuilder {
     fn scp_client(
         params: GenericProtocolParams,
         config_client: &ConfigClient,
-    ) -> ScpFs<LibSsh2Session> {
+    ) -> ScpFs<SshSession> {
         Self::build_ssh_opts(params, config_client).into()
     }
 
@@ -149,7 +153,7 @@ impl RemoteFsBuilder {
     fn sftp_client(
         params: GenericProtocolParams,
         config_client: &ConfigClient,
-    ) -> SftpFs<LibSsh2Session> {
+    ) -> SftpFs<SshSession> {
         Self::build_ssh_opts(params, config_client).into()
     }