commit 759be48b0e29c113f5b04f59da7dab638cb301df
Author: JuliusHerrmann <herrmann.julius@gmx.de>
Date:   Fri Jan 27 15:23:57 2023 +0100

    default writing works

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..743ec78
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,143 @@
+use std::fs::File;
+use std::io::prelude::*;
+use std::process::{Command, exit};
+use clap::Parser;
+use colored::*;
+
+
+mod parser;
+
+
+// setup cli parser
+#[derive(Parser, Debug)]
+#[command(
+    author = "Julius Herrmann (juhe00002@uni-saarland.de)",
+    about = "A simple tool to enable batch writing od 'sysoISIm-SJA2' cards with the corresponding CSV data by the manufacturer",
+    long_about = None)]
+pub struct CliArgs {
+    /// The path to the pySim binary
+    #[arg(short = 'b', long = "binary", default_value_t = String::from("./pySim-prog.py"))]
+    bin: String,
+    /// The path to the csv file to read
+    #[arg(short = 'c', long = "csv")]
+    csv: String,
+    /// Set the output file with the commands for the core
+    #[arg(short = 'o', long = "output", default_value_t = String::from("output"))]
+    output_file: String,
+    /// The name of the nework
+    #[arg(short = 'n', long = "name")]
+    name: String,
+    /// The mcc code
+    #[arg(long = "mcc")]
+    mcc: String,
+    /// The mnc code
+    #[arg(long = "mnc")]
+    mnc: String,
+    #[arg(short = 'd', long = "device", default_value_t = 0)]
+    device: u8,
+    #[arg(long = "ki", default_value_t = String::from("00000000000000000000000000000000"))]
+    ki: String,
+    #[arg(long = "opc", default_value_t = String::from("00000000000000000000000000000000"))]
+    opc: String,
+    /// Set true if you want to use an op key instead of opc
+    #[arg(long = "use-op", default_value_t = false)]
+    use_op: bool,
+    #[arg(long = "op", default_value_t = String::from("00000000000000000000000000000000"))]
+    op: String,
+    /// Set true if you want to execute the "deactivate5g" script
+    #[arg(long = "deactivate-5g", default_value_t = false)]
+    deactivate5g: bool,
+    /// Set true to only do a dry run (print commands and not execute them)
+    #[arg(long = "dry-run", default_value_t = false)]
+    dry_run: bool,
+}
+
+fn main() {
+    let args = CliArgs::parse();
+    let mut user_provision_commands = vec![];
+    let mut pysim_outputs = vec![];
+    // parse the supplied card configs
+    let card_configs = parser::parse_csv(&args.csv).unwrap();
+    for conf in card_configs {
+        // create the arguments
+        let imsi_ending = String::from(&conf.IMSI[6..]);
+
+        // add command to be run on the open5gcore
+        user_provision_commands.push(format!("./provision_user.sh -S 001010000012345 -k {} -a 8000 -o 00000000000000000000000000000000 -s 000000000010 -t 0 -c 1 -u 0 -T 12345", String::from(&conf.IMSI)));
+
+        let pysim_args = conf.generate_pysim_args(&args);
+
+        println!("\n{}:", "EXECUTING".red());
+        print!("{}", args.bin);
+        for pysim_arg in &pysim_args {
+            print!(" {}", pysim_arg);
+        }
+
+        if !wait_for_user(&format!("Please insert the sim-card with IMSI ending in: {}", imsi_ending.green())) {
+            exit_programm(1);
+        }
+
+        if args.dry_run {
+            println!("{}: The command is not executed since {} is enabled", "WARNING".yellow(), "dry_run".yellow());
+        } else {
+            let mut command = Command::new(&args.bin);
+            for pysim_arg in pysim_args {
+                command.arg(pysim_arg);
+            }
+            // wait for the child process to stop
+            // let child = command.stdout(Stdio::piped()).spawn().unwrap();
+            // let output = child.wait_with_output().unwrap();
+            let output = command.output().expect("process failed to execute");
+            if output.status.success() {
+                let output_string = String::from_utf8(output.stdout).unwrap();
+                pysim_outputs.push(output_string.clone());
+                println!("{} ", output_string);
+                println!("{} programmed sim card", "SUCCESSFULLY".green());
+            } else {
+                println!("{} ", String::from_utf8(output.stderr).unwrap());
+                println!("{}, please check the output of pySim above!", "ERROR".red());
+                continue;
+            }
+        }
+
+        // possibly execute deactivate5g command
+        if args.deactivate5g {
+            println!("{}: ./pySim-shell.py -p{} --script scripts/deactivate-5g.script", "EXECUTING".red(), &args.device);
+            if args.dry_run {
+                print!("{}: The command is not executed since {} is enabled\n", "WARNING".yellow(), "dry_run".yellow());
+                continue;
+            }
+            println!("{}. Not Implemented Yet!", "TODO".red());
+        }
+    }
+
+    // output to file
+    let mut file = File::create(args.output_file).unwrap();
+    writeln!(&mut file, "PySim outputs:").unwrap();
+    for pysim_out in pysim_outputs {
+        writeln!(&mut file, "{}", pysim_out).unwrap();
+    }
+    writeln!(&mut file, "\nCommands to be executed on core:").unwrap();
+    for command in user_provision_commands {
+        writeln!(&mut file, "{}", command).unwrap();
+    }
+    exit_programm(0)
+}
+
+fn exit_programm(code: i32) -> () {
+    println!("{}", "GOODBYE!".green());
+    exit(code);
+}
+
+// wait for user to input enter. If a is entered return false signaling to stop the program
+fn wait_for_user(msg: &str) -> bool {
+    println!("\n{}\nPress enter to continue or 'a' to abort:", msg);
+    let mut next_string = String::new();
+    match std::io::stdin().read_line(&mut next_string) {
+        Ok(n) if n > 0 => {
+            return 'a' != next_string.chars().next().unwrap()
+        }
+        Ok(_) => return true,  // other input is ignored
+        Err(err) => panic!("{}", err),
+    };
+}
diff --git a/src/parser.rs b/src/parser.rs
new file mode 100644
index 0000000..640670e
--- /dev/null
+++ b/src/parser.rs
@@ -0,0 +1,118 @@
+use std::error::Error;
+use std::io::{self, BufRead};
+use std::fs::File;
+use std::path::Path;
+
+use csv::StringRecord;
+use serde::Deserialize;
+
+use crate::CliArgs;
+
+
+#[derive(Deserialize, Debug)]
+// disable compiler warnings as this is just a struct to save data as it is in csv data
+#[allow(dead_code, non_snake_case)]
+pub struct CardValues {
+    pub IMSI: String,
+    ICCID: String,
+    ACC: String,
+    PIN1: String,
+    PUK1: String,
+    PIN2: String,
+    PUK2: String,
+    Ki: String,
+    OPC: String,
+    ADM1: String,
+    KIC1: String,
+    KID1: String,
+    KIK1: String,
+    KIC2: String,
+    KID2: String,
+    KIK2: String,
+    KIC3: String,
+    KID3: String,
+    KIK3: String,
+}
+
+impl CardValues {
+    pub fn generate_pysim_args(self, args: &CliArgs) -> Vec<String> {
+        // calculate new imsi
+        let new_imsi: &String = &format!("--imsi={}{}{}",
+            args.mnc,
+            args.mcc,
+            &self.IMSI[(args.mnc.len() + args.mcc.len())..]
+        );
+        let p = format!("-p{}", args.device);
+        let name = format!("--name=\"{}\"", args.name);
+        let mnc = format!("--mnc={}", args.mnc);
+        let mcc = format!("--mcc={}", args.mcc);
+        let iccid = format!("--iccid={}", self.ICCID);
+        let pin_adm = format!("--pin-adm={}", self.ADM1);
+        let ki = format!("--ki={}", args.ki);
+        if args.use_op {
+            let op = format!("--op={}", args.op);
+            vec![
+                p,
+                new_imsi.to_string(),
+                name,
+                mnc,
+                mcc,
+                iccid,
+                pin_adm,
+                ki,
+                op
+            ]
+        } else {
+            let opc = format!("--opc={}", args.opc);
+            vec![
+                p,
+                new_imsi.to_string(),
+                name,
+                mnc,
+                mcc,
+                iccid,
+                pin_adm,
+                ki,
+                opc
+            ]
+        }
+    }
+}
+
+pub fn parse_csv(path: &str) -> Result<Vec<CardValues>, Box<dyn Error>> {
+    // // Build the CSV reader and iterate over each record.
+    // let mut rdr = csv::Reader::from_reader(io::stdin());
+    // let header = rdr.records().next().unwrap().unwrap();
+    // println!("{:?}", header);
+    // for result in rdr.records().skip(1) {
+    //     let sim_conf: CardValues = result.unwrap().deserialize(Some(&header)).unwrap();
+    //     println!("{:?}", sim_conf);
+    // }
+    if let Ok(mut lines) = read_lines(path) {
+        let first_line = &lines.next().unwrap().unwrap();
+        let first_line = first_line.replace(" ", "");
+        //split the first line into a vec
+        let first_line: Vec<&str> = first_line.split(",").collect();
+        let header = StringRecord::from(first_line);
+        // now we got the header. Continue to deserialize every other line
+        Ok(lines.map(|line| {
+            // unpack line
+            let line = line.unwrap();
+            let line = line.replace(" ", "");
+            let line: Vec<&str> = line.split(",").collect();
+            let record = StringRecord::from(line);
+            let sim_conf: CardValues = record.deserialize(Some(&header)).unwrap();
+            sim_conf
+        }).collect())
+    } else {
+        panic!("could not read csv");
+    }
+}
+
+// The output is wrapped in a Result to allow matching on errors
+// Returns an Iterator to the Reader of the lines of the file.
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where P: AsRef<Path>, {
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}