start resolve

Cargo.lock

@@ -835,6 +835,7 @@ dependencies = [
  "once_cell",
  "pin-project",
  "recolored",
+ "rpassword",
  "rustc_version",
  "serde",
  "serde_cbor",
@@ -927,6 +928,16 @@ version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 
+[[package]]
+name = "rpassword"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d755237fc0f99d98641540e66abac8bc46a0652f19148ac9e21de2da06b326c9"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.16"

Cargo.toml

@@ -41,6 +41,7 @@ async-trait = "0.1.40"
 hex-literal = "0.3.1"
 once_cell = "1.4.1"
 getrandom = "0.2.0"
+rpassword = "5.0.0"
 
 [build-dependencies]
 rustc_version = "0.2"

TODO

@@ -0,0 +1 @@
+resolve::find_key_format::check_pem()

src/bytes.rs

@@ -1,6 +1,3 @@
-use libc::{
-    c_void,
-};
 /// Copy slice of bytes only
 ///
 /// # Notes
@@ -9,7 +6,7 @@ pub fn copy_slice(dst: &mut [u8], src: &[u8]) -> usize
 {
     let sz = std::cmp::min(dst.len(),src.len());
     unsafe {
-	libc::memcpy(&mut dst[0] as *mut u8 as *mut c_void, &src[0] as *const u8 as *const c_void, sz);
+	std::ptr::copy(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
     }
     sz
 }
@@ -22,7 +19,7 @@ pub fn move_slice(dst: &mut [u8], src: &[u8]) -> usize
 {
     let sz = std::cmp::min(dst.len(),src.len());
     unsafe {
-	libc::memmove(&mut dst[0] as *mut u8 as *mut c_void, &src[0] as *const u8 as *const c_void, sz);
+	std::ptr::copy(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
     }
     sz
 }

src/config.rs

@@ -113,3 +113,27 @@ pub enum KeyKind
     RsaPrivate,
     Aes,
 }
+
+pub use op::Password;
+
+impl Password
+{
+    /// Consume into real password
+    #[instrument]
+    pub fn into_password(self) -> eyre::Result<Option<String>>
+    {
+	Ok(match self {
+	    Self::No => None,
+	    Self::Yes => Some(read_password()?),
+	    Self::Specific(passwd) => Some(passwd),
+	})
+    }
+}
+
+/// Read password from stdin
+#[instrument(err)]
+fn read_password() -> eyre::Result<String>
+{
+    rpassword::read_password()
+	.wrap_err(eyre!("Failed to read password from stdin"))
+}

src/main.rs

@@ -189,7 +189,14 @@ async fn work(op: config::Operation) -> Result<(), eyre::Report>
     match op {
 	config::Operation::Help => args::usage(),
 	config::Operation::GenerateKey(config::op::GenerateKey::Aes(aes)) => {
-	    
+	    let input_aes = match aes.input {
+		Some((path, passwd)) => {
+		    let passwd = passwd.into_password()?;
+		    // read from `path`
+		    
+		},
+		_ => None,
+	    };
 	},
 	config::Operation::GenerateKey(config::op::GenerateKey::Rsa(rsa)) => {
 	    
@@ -205,8 +212,8 @@ async fn main() -> Result<(), eyre::Report> {
     install_tracing();
     color_eyre::install()?;
 
-    fuck().await?;
-    return Ok(());
+    //fuck().await?;
+    //return Ok(());
     trace!("Parsing args");
     let args = args::parse_args().await?;
     

src/resolve.rs

@@ -6,7 +6,84 @@ use std::{
     },
     error,
     fmt,
+    io,
 };
+use tokio::{
+    prelude::*,
+    fs::{
+	OpenOptions,
+	File,
+    },
+    io::{
+	BufReader,
+    },
+};
+
+use config::op::KeyFormat;
+
+/// Find the format (Binary, Text, PEM) of this key file.
+///
+/// # Note
+/// This isn't an infallible test as it only parses parts of headers, if it detects a type it doesn't guarantee that the file *actually* is that type. It is just a hint or best-guess.
+#[instrument(err, skip(path), fields(path = ?path.as_ref()))]
+pub async fn find_key_format(path: impl AsRef<Path>, can_pem: bool) -> eyre::Result<KeyFormat>
+{
+    async fn check_bin(file: &mut File) -> Result<bool, Error>
+    {
+	let mut buffer = [0u8; 4];
+	file.read_exact(&mut buffer[..]).await?;
+	Ok(&buffer[..] == format::RAE_HEADER_BIT)
+    }
+    async fn check_text(file: &mut File) -> Result<bool, Error>
+    {
+	let mut buffer = [0u8; 4];
+	file.read_exact(&mut buffer[..]).await?;
+	if &buffer[..] != b"--- " {
+	    return Ok(false);
+	} 
+	file.read_exact(&mut buffer[..]).await?;
+	Ok(&buffer[..] == format::RAE_HEADER_BIT)
+    }
+    async fn check_pem(file: &mut File) -> Result<bool, Error>
+    {
+	todo!("I don't remember the PEM format right now")
+    }
+    let mut file = {
+	let path = path.as_ref();
+	OpenOptions::new()
+	    .read(true)
+	    .open(path).await
+	    .wrap_err(eyre::eyre!("Failed to open file to check"))
+	    .with_section(|| format!("{:?}", path).header("Path was"))?
+    };
+
+    macro_rules! reset {
+	() => {
+	    file.seek(std::io::SeekFrom::Start(0)).await?
+	}
+    }
+    
+    if can_pem {
+	if check_pem(&mut file).await
+	    .with_note(|| "With check for PEM")? {
+		return Ok(KeyFormat::PEM);
+	    } else {
+		reset!();
+	    }
+    }
+    if check_bin(&mut file).await
+	.with_note(|| "With check for binary")? {
+	    return Ok(KeyFormat::Bin);
+	} else {
+	    reset!();
+	}
+    if check_text(&mut file).await
+	.with_note(|| "With check for text")? {
+	    return Ok(KeyFormat::Text);
+	} 
+
+    return Err(Error::UnknownFormat)?;
+}
 
 pub async fn find_file_mode<P: AsRef<Path>>(path: P) -> Result<config::op::Mode, Error>
 {
@@ -26,7 +103,9 @@ pub async fn find_key_mode<P: AsRef<Path>>(path: P) -> Result<config::KeyKind, E
 #[non_exhaustive]
 pub enum Error
 {
-    Unknown
+    UnknownFormat,
+    IO(io::Error),
+    Unknown,
 }
 
 impl error::Error for Error{}
@@ -39,3 +118,11 @@ impl fmt::Display for Error
 	}
     }
 }
+
+impl From<io::Error> for Error
+{
+    #[inline] fn from(from: io::Error) -> Self
+    {
+	Self::IO(from)
+    }
+}

src/work/generate/aes.rs

@@ -1,2 +1,3 @@
 //! Generate aes key operations
 use super::*;
+