create draft binary for create_users

src/api.rs

@@ -17,7 +17,7 @@ pub trait UserDBValidation {
 pub trait UserDBWrite {
     fn delete_user(&mut self, user: &str) -> Result<crate::User, crate::UserLibError>;
     fn new_user(
-        &mut self,
+        &mut self, /*
                    username: String,
                    enc_password: String,
                    uid: u32,
@@ -28,7 +28,7 @@ pub trait UserDBWrite {
                    phone_home: String,
                    other: Option<Vec<String>>,
                    home_dir: String,
-        shell_path: String,
+                   shell_path: String,*/
     ) -> Result<&crate::User, crate::UserLibError>;
     fn delete_group(&mut self, group: &crate::Group) -> Result<(), crate::UserLibError>;
     fn new_group(&mut self) -> Result<&crate::Group, crate::UserLibError>;

src/bin/create_user.rs

@@ -0,0 +1,22 @@
+extern crate adduser;
+
+fn main() {
+    simplelog::CombinedLogger::init(vec![simplelog::TermLogger::new(
+        simplelog::LevelFilter::Warn,
+        simplelog::Config::default(),
+        simplelog::TerminalMode::Mixed,
+    )])
+    .unwrap();
+    use adduser::api::UserDBWrite;
+
+    let mut db = adduser::UserDBLocal::load_files(adduser::Files::default());
+
+    let user = adduser::User::default()
+        .username("fest".into())
+        .shell_path("/bin/mash".into())
+        .clone();
+
+    println!("{}", user);
+
+    //db.new_user().expect("failed to create the user");
+}

src/group/mod.rs

@@ -51,6 +51,8 @@ pub(crate) fn is_groupname_valid(name: &str) -> bool {
 /// A record(line) in the user database `/etc/shadow` found in most linux systems.
 #[derive(Debug, PartialEq, Eq)]
 pub struct Group {
+    pos: u32,
+    source: String,
     groupname: Groupname,                 /* Username.  */
     pub(crate) password: crate::Password, /* Usually not used (disabled with x) */
     gid: crate::Gid,                      /* Group ID.  */
@@ -118,6 +120,8 @@ impl NewFromString for Group {
         let elements: Vec<String> = line.split(':').map(ToString::to_string).collect();
         if elements.len() == 4 {
             Ok(Self {
+                pos: position,
+                source: line.clone(),
                 groupname: Groupname::try_from(elements.get(0).unwrap().to_string())?,
                 password: crate::Password::Disabled,
                 gid: crate::Gid::try_from(elements.get(2).unwrap().to_string())?,

src/user/gecos_fields.rs

@@ -8,7 +8,7 @@ use std::fmt::{self, Display};
 /// The first 4 values are more or less standardised to be full name, room, phone at work and phone at home. After that there can be some extra fields often containing the emailadress and even additional information.
 ///
 /// This enum represents the first 4 values by name and adds the other values to a list of strings [`Gecos::Detail`]. If only one field is found and no `,` at all this value is used as a human readable comment [`Gecos::Simple`].
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub enum Gecos {
     Detail {
         full_name: String,

src/user/mod.rs

@@ -1,4 +1,5 @@
 pub mod gecos_fields;
+
 pub mod passwd_fields;
 pub mod shadow_fields;
 
@@ -7,7 +8,7 @@ use std::convert::TryFrom;
 use std::fmt::{self, Display};
 
 /// A record(line) in the user database `/etc/passwd` found in most linux systems.
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct User {
     source: String,
     pos: u32,
@@ -20,6 +21,35 @@ pub struct User {
     shell_path: crate::ShellPath,         /* Shell program.  */
 }
 
+impl User {
+    pub fn username(&mut self, name: String) -> &mut Self {
+        self.username = crate::Username {
+            username: name.into(),
+        };
+        self
+    }
+    pub fn disable_password(&mut self) -> &mut Self {
+        self.password = crate::Password::Disabled;
+        self
+    }
+    pub fn uid(&mut self, uid: u32) -> &mut Self {
+        self.uid = crate::Uid { uid };
+        self
+    }
+    pub fn gid(&mut self, gid: u32) -> &mut Self {
+        self.gid = crate::Gid { gid };
+        self
+    }
+    pub fn home_dir(&mut self, path: String) -> &mut Self {
+        self.home_dir = crate::HomeDir { dir: path };
+        self
+    }
+    pub fn shell_path(&mut self, path: String) -> &mut Self {
+        self.shell_path = crate::ShellPath { shell: path };
+        self
+    }
+}
+
 impl NewFromString for User {
     /// Parse a line formatted like one in `/etc/passwd` and construct a matching [`User`] instance
     ///
@@ -132,21 +162,19 @@ impl Default for User {
             source: "".to_owned(),
             pos: u32::MAX,
             username: crate::Username {
-                username: "defaultuser".to_owned(),
+                username: "defaultusername".to_owned(),
             },
-            password: crate::Password::Encrypted(crate::EncryptedPassword {
+            password: crate::Password::Disabled,
-                password: "notencrypted".to_owned(),
-            }),
             uid: crate::Uid { uid: 1001 },
             gid: crate::Gid { gid: 1001 },
             gecos: crate::Gecos::Simple {
-                comment: "gecos default comment".to_string(),
+                comment: "".to_string(),
             },
             home_dir: crate::HomeDir {
-                dir: "/home/default".to_owned(),
+                dir: "/".to_owned(),
             },
             shell_path: crate::ShellPath {
-                shell: "/bin/bash".to_owned(),
+                shell: "/bin/nologin".to_owned(),
             },
         }
     }
@@ -171,10 +199,12 @@ impl Display for User {
 #[test]
 fn test_default_user() {
     // Check if a user can be created.
-    let pwd = User::default();
+    let mut pwd = User::default();
     assert_eq!(pwd.username.username, "defaultuser");
     assert_eq!(pwd.home_dir.dir, "/home/default");
     assert_eq!(pwd.uid.uid, 1001);
+    let npw = pwd.username("test".to_owned()).clone();
+    assert_eq!(npw.username.username, "test");
 }
 
 #[test]

src/user/passwd_fields.rs

@@ -20,7 +20,7 @@ use std::fmt::{self, Display};
 /// When done the validity will automatically be checked in the `trait TryFrom`.
 ///
 /// In the future some extra fields might be added.
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Username {
     /// The username value
     pub(crate) username: String,
@@ -57,7 +57,7 @@ pub(crate) fn is_username_valid(name: &str) -> bool {
     USERVALIDATION.is_match(name)
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub enum Password {
     Encrypted(crate::EncryptedPassword),
     Shadow(crate::Shadow),
@@ -74,7 +74,7 @@ impl Display for Password {
     }
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct EncryptedPassword {
     pub(in crate::user) password: String,
 }
@@ -97,7 +97,7 @@ impl TryFrom<String> for EncryptedPassword {
     }
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Uid {
     pub(in crate::user) uid: u32,
 }
@@ -125,7 +125,7 @@ impl Uid {
     }
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Gid {
     pub(in crate::user) gid: u32,
 }
@@ -158,7 +158,7 @@ impl Gid {
 }
 
 /// The home directory of a user
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct HomeDir {
     pub(in crate::user) dir: String,
 }
@@ -177,7 +177,7 @@ impl TryFrom<String> for HomeDir {
 }
 
 /// The path to the Shell binary
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct ShellPath {
     pub(in crate::user) shell: String,
 }

src/user/shadow_fields.rs

@@ -16,8 +16,10 @@ use std::convert::TryFrom;
 use std::fmt::{self, Debug, Display};
 
 /// A record(line) in the user database `/etc/shadow` found in most linux systems.
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Shadow {
+    pos: u32,
+    source: String,
     username: crate::Username,                      /* Username.  */
     pub(crate) password: crate::EncryptedPassword,  /* Hashed passphrase */
     last_change: Option<chrono::NaiveDateTime>,     /* User ID.  */
@@ -98,6 +100,8 @@ impl NewFromString for Shadow {
         if elements.len() == 9 {
             let extra = elements.get(8).unwrap();
             Ok(Self {
+                pos: position,
+                source: line.clone(),
                 username: crate::Username::try_from(elements.get(0).unwrap().to_string())?,
                 password: crate::EncryptedPassword::try_from(elements.get(1).unwrap().to_string())?,
                 last_change: date_since_epoch(elements.get(2).unwrap()),

src/userlib.rs

@@ -91,7 +91,7 @@ impl UserDBWrite for UserDBLocal {
     }
 
     fn new_user(
-        &mut self,
+        &mut self, /*
                    username: String,
                    enc_password: String,
                    uid: u32,
@@ -102,7 +102,7 @@ impl UserDBWrite for UserDBLocal {
                    phone_home: String,
                    other: Option<Vec<String>>,
                    home_dir: String,
-        shell_path: String,
+                   shell_path: String,*/
     ) -> Result<&crate::User, crate::UserLibError> {
         /*if self.users.contains_key(&username) {
             Err(format!(
@@ -216,6 +216,15 @@ impl UserDBValidation for UserDBLocal {
     }
 }
 
+fn get_nth_line(path: Option<&PathBuf>, n: u32) -> String {
+    let lines = file_to_string(path);
+    let line = lines.lines().nth(n as usize);
+    match line {
+        Some(line) => line.to_owned(),
+        None => "".to_owned(),
+    }
+}
+
 /// Parse a file to a string
 fn file_to_string(path: Option<&PathBuf>) -> String {
     let file = File::open(path.expect("Path cannot be None".into()))