2 // mozroots.cs: Import the Mozilla's trusted root certificates into Mono
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
33 using System.Reflection;
34 using System.Security.Cryptography;
37 using Mono.Security.Authenticode;
38 using Mono.Security.X509;
40 [assembly: AssemblyTitle ("Mozilla Roots Importer")]
41 [assembly: AssemblyDescription ("Download and import trusted root certificates from Mozilla's LXR.")]
43 namespace Mono.Tools {
47 private const string defaultUrl = "http://lxr.mozilla.org/seamonkey/source/security/nss/lib/ckfw/builtins/certdata.txt";
50 static string inputFile;
51 static string pkcs7filename;
54 static bool confirmAddition;
55 static bool confirmRemoval;
58 static byte[] DecodeOctalString (string s)
60 string[] pieces = s.Split ('\\');
61 byte[] data = new byte[pieces.Length - 1];
62 for (int i = 1; i < pieces.Length; i++) {
63 data[i - 1] = (byte) ((pieces[i][0] - '0' << 6) + (pieces[i][1] - '0' << 3) + (pieces[i][2] - '0'));
68 static X509Certificate DecodeCertificate (string s)
70 byte[] rawdata = DecodeOctalString (s);
71 return new X509Certificate (rawdata);
74 static Stream GetFile ()
77 if (inputFile != null) {
78 return File.OpenRead (inputFile);
80 WriteLine ("Downloading from '{0}'...", url);
81 HttpWebRequest req = (HttpWebRequest) WebRequest.Create (url);
82 return req.GetResponse ().GetResponseStream ();
90 static X509CertificateCollection DecodeCollection ()
92 X509CertificateCollection roots = new X509CertificateCollection ();
93 StringBuilder sb = new StringBuilder ();
94 bool processing = false;
96 Stream s = GetFile ();
98 WriteLine ("Couldn't retrieve the file using the supplied informations.", null);
102 StreamReader sr = new StreamReader (s);
104 string line = sr.ReadLine ();
107 int start = line.IndexOf ("</a> ");
112 if (line.IndexOf ("END") > start) {
114 X509Certificate root = DecodeCertificate (sb.ToString ());
117 sb = new StringBuilder ();
120 sb.Append (line.Substring (start + 5));
122 processing = (line.IndexOf ("CKA_VALUE MULTILINE_OCTAL") > start);
128 static int Process ()
130 X509CertificateCollection roots = DecodeCollection ();
133 } else if (roots.Count == 0) {
134 WriteLine ("No certificates were found.");
138 if (pkcs7filename != null) {
139 SoftwarePublisherCertificate pkcs7 = new SoftwarePublisherCertificate ();
140 pkcs7.Certificates.AddRange (roots);
142 WriteLine ("Saving root certificates into '{0}' file...", pkcs7filename);
143 using (FileStream fs = File.OpenWrite (pkcs7filename)) {
144 byte[] data = pkcs7.GetBytes ();
145 fs.Write (data, 0, data.Length);
151 WriteLine ("Importing certificates into {0} store...",
152 machine ? "machine" : "user");
154 X509Stores stores = (machine ? X509StoreManager.LocalMachine : X509StoreManager.CurrentUser);
155 X509CertificateCollection trusted = stores.TrustedRoot.Certificates;
157 foreach (X509Certificate root in roots) {
158 if (!trusted.Contains (root)) {
159 if (!confirmAddition || AskConfirmation ("add", root)) {
162 WriteLine ("Certificate added.{0}", Environment.NewLine);
168 WriteLine ("{0} new root certificates were added to your trust store.", additions);
170 X509CertificateCollection removed = new X509CertificateCollection ();
171 foreach (X509Certificate trust in trusted) {
172 if (!roots.Contains (trust)) {
176 if (removed.Count > 0) {
177 if (confirmRemoval) {
178 WriteLine ("{0} previously trusted certificates were not part of the update.", removed.Count);
180 WriteLine ("{0} previously trusted certificates were removed.", removed.Count);
183 foreach (X509Certificate old in removed) {
184 if (!confirmRemoval || AskConfirmation ("remove", old)) {
185 stores.TrustedRoot.Remove (old);
187 WriteLine ("Certificate removed.{0}", Environment.NewLine);
191 WriteLine ("Import process completed.{0}", Environment.NewLine);
196 static string Thumbprint (string algorithm, X509Certificate certificate)
198 HashAlgorithm hash = HashAlgorithm.Create (algorithm);
199 byte[] digest = hash.ComputeHash (certificate.RawData);
200 return BitConverter.ToString (digest);
203 static bool AskConfirmation (string action, X509Certificate certificate)
205 // the quiet flag is ignored for confirmations
206 Console.WriteLine ("Issuer: {0}", certificate.IssuerName);
207 Console.WriteLine ("Serial number: {0}", BitConverter.ToString (certificate.SerialNumber));
208 Console.WriteLine ("Valid from {0} to {1}", certificate.ValidFrom, certificate.ValidUntil);
209 Console.WriteLine ("Thumbprint SHA-1: {0}", Thumbprint ("SHA1", certificate));
210 Console.WriteLine ("Thumbprint MD5: {0}", Thumbprint ("MD5", certificate));
212 Console.Write ("Are you sure you want to {0} this certificate ? ", action);
213 string s = Console.ReadLine ().ToLower ();
221 static bool ParseOptions (string[] args)
228 confirmAddition = true;
229 confirmRemoval = true;
231 for (int i = 0; i < args.Length; i++) {
234 if (i >= args.Length - 1)
239 if (i >= args.Length - 1)
241 inputFile = args[++i];
244 if (i >= args.Length - 1)
246 pkcs7filename = args[++i];
255 confirmAddition = false;
256 confirmRemoval = false;
259 confirmAddition = true;
260 confirmRemoval = true;
263 confirmRemoval = true;
266 confirmRemoval = true;
272 WriteLine ("Unknown option '{0}'.");
279 static void Header ()
281 Console.WriteLine (new AssemblyInfo ().ToString ());
286 Console.WriteLine ("Usage: mozroots [--import [--machine] [--sync | --ask | --ask-add | --ask-remove]]");
287 Console.WriteLine ("Where the basic options are:");
288 Console.WriteLine (" --import\tImport the certificates into the trust store.");
289 Console.WriteLine (" --sync\t\tSynchronize (add/remove) the trust store with the certificates.");
290 Console.WriteLine (" --ask\t\tAlways confirm before adding or removing trusted certificates.");
291 Console.WriteLine (" --ask-add\tAlways confirm before adding a new trusted certificate.");
292 Console.WriteLine (" --ask-remove\tAlways confirm before removing an existing trusted certificate.");
293 Console.WriteLine ("{0}and the advanced options are", Environment.NewLine);
294 Console.WriteLine (" --url url\tSpecify an alternative URL for downloading the trusted");
295 Console.WriteLine ("\t\tcertificates (LXR source format).");
296 Console.WriteLine (" --file name\tDo not download but use the specified file.");
297 Console.WriteLine (" --pkcs7 name\tExport the certificates into a PKCS#7 file.");
298 Console.WriteLine (" --machine\tImport the certificate in the machine trust store.");
299 Console.WriteLine ("\t\tThe default is to import into the user store.");
300 Console.WriteLine (" --quiet\tLimit console output to errors and confirmations messages.");
303 static void WriteLine (string format, params object[] args)
306 Console.WriteLine (format, args);
309 static int Main (string[] args)
312 if (!ParseOptions (args)) {
322 catch (Exception e) {
323 // ignore quiet on exception
324 Console.WriteLine ("Error: {0}", e);