Initial commit

This commit is contained in:
Gutemberg Ribeiro 2021-04-25 02:33:32 -03:00
parent e3dc63b013
commit e4a38e5839
7 changed files with 430 additions and 0 deletions

3
.gitignore vendored
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@ -348,3 +348,6 @@ MigrationBackup/
# Ionide (cross platform F# VS Code tools) working folder
.ionide/
dumps
patched

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.vscode/launch.json vendored Normal file
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{
"version": "0.2.0",
"configurations": [
{
"name": "UFiber.Configurator",
"type": "coreclr",
"request": "launch",
"preLaunchTask": "build",
"program": "${workspaceFolder}/src/UFiber.Configurator/bin/Debug/net5.0/UFiber.Configurator.dll",
"args": [
"--host",
"192.168.200.2",
"--dry-run"
],
"cwd": "${workspaceFolder}/src/UFiber.Configurator",
"console": "internalConsole",
"stopAtEntry": false
}
]
}

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.vscode/tasks.json vendored Normal file
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{
"version": "2.0.0",
"tasks": [
{
"label": "build",
"command": "dotnet",
"type": "process",
"args": [
"build",
"${workspaceFolder}/src/UFiber.Configurator/UFiber.Configurator.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
},
{
"label": "publish",
"command": "dotnet",
"type": "process",
"args": [
"publish",
"${workspaceFolder}/src/UFiber.Configurator/UFiber.Configurator.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
},
{
"label": "watch",
"command": "dotnet",
"type": "process",
"args": [
"watch",
"run",
"${workspaceFolder}/src/UFiber.Configurator/UFiber.Configurator.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
}
]
}

39
UFiber.Configurator.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.6.30114.105
MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{7D598BFE-5D3E-4E92-BEAC-492BBFD00B02}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UFiber.Configurator", "src\UFiber.Configurator\UFiber.Configurator.csproj", "{3D31C840-16B1-4F68-A886-4B8E49246B81}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|Any CPU = Release|Any CPU
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|Any CPU.Build.0 = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|x64.ActiveCfg = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|x64.Build.0 = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|x86.ActiveCfg = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Debug|x86.Build.0 = Debug|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|Any CPU.ActiveCfg = Release|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|Any CPU.Build.0 = Release|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|x64.ActiveCfg = Release|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|x64.Build.0 = Release|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|x86.ActiveCfg = Release|Any CPU
{3D31C840-16B1-4F68-A886-4B8E49246B81}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(NestedProjects) = preSolution
{3D31C840-16B1-4F68-A886-4B8E49246B81} = {7D598BFE-5D3E-4E92-BEAC-492BBFD00B02}
EndGlobalSection
EndGlobal

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using System;
using System.Text;
namespace UFiber.Configurator
{
public class NVRAMInfo
{
private const int NVRAM_START = 1408;
private const int NVRAM_END = 2432;
private Memory<byte> _data;
public Memory<byte> NVR => _data.Slice(NVRAM_START, NVRAM_END);
public int Version => BitConverter.ToInt32(this.NVR.Slice(0, 4).Span);
public NVRAMInfo(Memory<byte> data)
{
this._data = data;
}
public byte[] Patch()
{
// TODO: Apply patches to the original data and return it.
return _data.ToArray();
}
public override string ToString()
{
var sb = new StringBuilder();
sb.AppendLine("--- NVRAM Information --");
sb.AppendLine($"- NVRAM Version: {this.Version}");
return sb.ToString();
}
// var local_crc32_table = new uint[]{
// 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
// 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
// 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
// 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
// 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
// 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
// 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
// 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
// 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
// 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
// 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
// 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
// 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
// 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
// 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
// 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
// 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
// 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
// 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
// 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
// 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
// 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
// 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
// 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
// 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
// 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
// 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
// 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
// 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
// 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
// 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
// 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
// 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
// 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
// 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
// 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
// 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
// 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
// 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
// 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
// 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
// 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
// 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
// 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
// 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
// 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
// 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
// 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
// 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
// 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
// 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
// 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
// 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
// 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
// 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
// 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
// 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
// 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
// 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
// 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
// 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
// 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
// 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
// 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
// };
// uint CalculateCRC(byte[] data)
// {
// uint crc = 0xFFFFFFFF;
// foreach (var bit in data)
// {
// crc = (crc >> 8) ^ local_crc32_table[(crc ^ bit) & 0xFF];
// }
// return crc & 0xFFFFFFFF;
// }
}
}

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using System;
using System.IO;
using Renci.SshNet;
using UFiber.Configurator;
using System.CommandLine;
using System.CommandLine.Invocation;
var rootCommand = new RootCommand("Apply configuration changes to UFiber devices")
{
new Option<string>(
"--host",
"IP or hostname of the target UFiber device.", ArgumentArity.ExactlyOne),
new Option<string>(
"--user",
getDefaultValue: () => "ubnt",
"SSH user name."),
new Option<string>(
"--pw",
getDefaultValue: () => "ubnt",
"SSH password."),
new Option<int>(
"--port",
getDefaultValue: () => 22,
"SSH port of the target UFiber device."),
new Option<bool>(
"--dry-run",
"Don't apply the patched file to the target UFiber device. (i.e. dry-run)"),
new Option<string>(
"--slid",
"The SLID (or PLOAM Password).", ArgumentArity.ZeroOrOne),
new Option<string>(
"--vendor",
"4-digit Vendor Id (e.g. HWTC, MTSC, etc.). Combined with --serial, a GPON Serial Number is built.", ArgumentArity.ZeroOrOne),
new Option<string>(
"--serial",
"8-digit serial number (e.g. 01234567). Combined with --vendor, a GPON Serial Number is built.", ArgumentArity.ZeroOrOne),
new Option<string>(
"--mac",
"The desired MAC address to clone.", ArgumentArity.ZeroOrOne),
};
SshClient GetSSHClient(string userName, string password, string host, int port = 22)
{
var client = new SshClient(host, port, userName, password);
client.Connect();
return client;
}
ScpClient GetSCPClient(string userName, string password, string host, int port = 22)
{
var client = new ScpClient(host, port, userName, password);
client.Connect();
return client;
}
rootCommand.Handler = CommandHandler
.Create<string, string, string, int, bool, string, string, string, string>(
(host, user, pw, port, dryRun, slid, vendor, serial, mac) =>
{
if (string.IsNullOrWhiteSpace(host))
{
Console.Error.WriteLine("Host is a required parameter and can't be empty.");
Environment.ExitCode = -1;
return;
}
SshClient ssh = default!;
ScpClient scp = default!;
try
{
// Connect to SSH and SCP
ssh = GetSSHClient(user, pw, host, port);
scp = GetSCPClient(user, pw, host, port);
}
catch (Exception ex)
{
Console.Error.WriteLine($"Unable to connect to the target UFiber device. Please check the connection parameters and try again. Error: {ex.Message}");
Environment.ExitCode = -1;
return;
}
var imgName = $"fw-{DateTime.UtcNow.ToString("ddMMyyyy-hhmmss")}.bin";
// Dump the image file
var cmd = ssh.RunCommand($"cat /dev/mtdblock3 > /tmp/{imgName}");
if (cmd.ExitStatus != 0)
{
Console.Error.WriteLine($"Failute to dump the image file. Error: {cmd.Error}");
Environment.ExitCode = cmd.ExitStatus;
return;
}
const string localDumps = "./dumps";
if (!Directory.Exists(localDumps))
{
Directory.CreateDirectory(localDumps);
}
// Download the dump
try
{
scp.Download($"/tmp/{imgName}", new DirectoryInfo(localDumps));
ssh.RunCommand($"rm /tmp/{imgName}");
}
catch (Exception ex)
{
Console.Error.WriteLine($"Failure downloading original image file from the UFiber device. Error: {ex.Message}.");
Environment.ExitCode = -1;
return;
}
var nvramInfo = new NVRAMInfo(File.ReadAllBytes(Path.Combine(localDumps, imgName)));
Console.WriteLine("### Original Image ###");
Console.WriteLine(nvramInfo);
Console.WriteLine($"### Patching {imgName}...");
if ((string.IsNullOrWhiteSpace(vendor) && !string.IsNullOrWhiteSpace(serial)) ||
(!string.IsNullOrWhiteSpace(vendor) && string.IsNullOrWhiteSpace(serial)))
{
Console.Error.WriteLine($"To set the GPON Serial Number, you must pass both --vendor and --serial");
Environment.ExitCode = -1;
return;
}
else if (!string.IsNullOrWhiteSpace(vendor) && !string.IsNullOrWhiteSpace(serial))
{
// TODO: Apply Serial to the nvram
}
if (!string.IsNullOrWhiteSpace(mac))
{
// TODO: Apply MAC to the nvram
}
if (!string.IsNullOrWhiteSpace(slid))
{
// TODO: Apply SLID to the nvram
}
var patched = nvramInfo.Patch();
const string localPatched = "./patched";
if (!Directory.Exists(localPatched))
{
Directory.CreateDirectory(localPatched);
}
var patchedFileName = $"patched-{imgName}";
File.WriteAllBytes(Path.Combine(localPatched, patchedFileName), patched);
Console.WriteLine($"### Patched {imgName}!");
Console.WriteLine(nvramInfo);
if (!dryRun)
{
Console.WriteLine("Uploading patched file to the target UFiber device...");
try
{
scp.Upload(new FileInfo(Path.Combine(localPatched, patchedFileName)), $"/tmp/{patchedFileName}");
}
catch (Exception ex)
{
Console.Error.WriteLine($"Failure uploading patched image file to the UFiber device. Error: {ex.Message}.");
Environment.ExitCode = -1;
return;
}
Console.WriteLine("Uploaded!");
Console.WriteLine("### Applying patched file on the target UFiber device...");
cmd = ssh.RunCommand($"dd if=/tmp/{patchedFileName} of=/dev/mtdblock3 && rm /tmp/{patchedFileName}");
if (cmd.ExitStatus != 0)
{
Console.Error.WriteLine($"Failure to apply patched image file. Error: {cmd.Error}");
Environment.ExitCode = cmd.ExitStatus;
return;
}
Console.WriteLine("### Applied patch! Please reboot your UFiber device to load the new image.");
}
else
{
Console.WriteLine($"### Dry-run completed. The patched file can be found at '{Path.Combine(localDumps, patchedFileName)}'.");
}
});
return rootCommand.Invoke(args);

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net5.0</TargetFramework>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="SSH.NET" Version="2020.0.1" />
<PackageReference Include="System.CommandLine" Version="2.0.0-beta1.21216.1" />
</ItemGroup>
</Project>