added --list-resolvers option

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "dqy"
 edition = "2021"
-version = "0.3.0"  #:version
+version = "0.5.0"  #:version
 authors = ["Alain Viguier <[email protected]>"]
 description = """
 dqy is a DNS query tool inspired by dig, drill and dog.
@@ -33,11 +33,11 @@ quinn = "0.11.6"
 rand = "0.8.5"
 rcgen = "0.13.1"
 regex = "1.11.1"
-reqwest = { version = "0.12.9", default-features = false, features = ["rustls-tls-webpki-roots", "blocking", "http2"] }
+reqwest = { version = "0.12.12", default-features = false, features = ["rustls-tls-webpki-roots", "blocking", "http2"] }
 resolving = { git = "https://github.com/dandyvica/resolving" }
 rustc_version_runtime = "0.3.0"
 rustls = { version = "0.23.20", default-features = false, features = ["std", "tls12", "ring"] }
-rustls-pki-types = "1.1.0"
+rustls-pki-types = "1.10.1"
 serde = { version = "1.0.195", features = [ "derive" ] }
 serde_json = { version = "1.0.111", features = ["preserve_order"] }
 simplelog = "0.12.2"

src/args.rs

@@ -19,6 +19,7 @@ use crate::dns::rfc::{flags::BitFlags, qclass::QClass, qtype::QType};
 use crate::error::Error;
 use crate::show::{DisplayOptions, DumpOptions};
 use crate::transport::network::{IPVersion, Protocol};
+use crate::transport::udp::UdpProtocol;
 use crate::transport::{endpoint::EndPoint, TransportOptions};
 
 // value of the environment variable for flags if any
@@ -588,6 +589,13 @@ Caveat: all options starting with a dash (-) should be placed after optional [TY
                     .value_parser(clap::value_parser!(PathBuf))
                     .help_heading("Miscellaneous options")
             )
+            .arg(
+                Arg::new("list-resolvers")
+                    .long("list-resolvers")
+                    .long_help("Do not query but list host resolvers found and try to connect to them.")
+                    .action(ArgAction::SetTrue)
+                    .help_heading("Display options")
+            )
             .arg(
                 Arg::new("write-response")
                     .long("wr")
@@ -952,6 +960,14 @@ Caveat: all options starting with a dash (-) should be placed after optional [TY
             }
         }
 
+        //───────────────────────────────────────────────────────────────────────────────────
+        // Dump resolvers
+        //───────────────────────────────────────────────────────────────────────────────────
+        if matches.get_flag("list-resolvers") {
+            UdpProtocol::list_resolvers(&options.transport)?;
+            std::process::exit(0);
+        }
+
         Ok(options)
     }
 }

src/transport/udp.rs

@@ -42,18 +42,20 @@ impl UdpProtocol {
         })
     }
 
-    // // Bind to a socket either to IPV4, IPV6 or any of these 2
-    // // the bind() method will chose the first one which succeeds if IPVersion::Any is passed
-    // fn unspec(ver: &IPVersion) -> Vec<SocketAddr> {
-    //     match ver {
-    //         IPVersion::Any => vec![
-    //             SocketAddr::from((Ipv4Addr::UNSPECIFIED, 0)),
-    //             SocketAddr::from((Ipv6Addr::UNSPECIFIED, 0)),
-    //         ],
-    //         IPVersion::V4 => vec![SocketAddr::from((Ipv4Addr::UNSPECIFIED, 0))],
-    //         IPVersion::V6 => vec![SocketAddr::from((Ipv6Addr::UNSPECIFIED, 0))],
-    //     }
-    // }
+    // display list of found host resolvers and try to bind
+    pub fn list_resolvers(trp_options: &TransportOptions) -> Result<()> {
+        // create udp socket on either V4 or V6
+        let unspec = trp_options.ip_version.unspecified_ip();
+        let sock = UdpSocket::bind(&unspec).map_err(|e| Error::Network(e, Network::Bind))?;
+
+        for addr in &trp_options.endpoint.addrs {
+            // try to connect
+            let result = if let Ok(_) = sock.connect(addr) { "OK" } else { " KO " };
+            println!("addr: {}, connect: {} ", addr, result);
+        }
+
+        Ok(())
+    }
 }
 
 impl Messenger for UdpProtocol {

tests/test_all.sh

@@ -1,8 +1,6 @@
-# test internet resources
-venom run tests/venom/internet.yml
-
 # test IDNA
 venom run tests/venom/idna.yml
 
 # test different ways of using an endpoint
-venom run tests/venom/endpoint.yml
+venom run tests/venom/endpoint-ipv4.yml
+venom run tests/venom/endpoint-ipv6.yml

tests/venom/endpoint-ipv4.yml

@@ -0,0 +1,54 @@
+# test all different endpoints (only ipv4)
+name: DQY binary test  (endpoints v4)
+testcases:
+  - name: use host resolver
+    steps:
+    - script: dqy A www.google.com
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use specific ipv4 resolver
+    steps:
+    - script: dqy A www.google.com "@1.1.1.1"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use specific ipv4 resolver with port number
+    steps:
+    - script: dqy A www.google.com "@1.1.1.1:53"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use named resolver
+    steps:
+    - script: dqy A AAAA www.google.com "@one.one.one.one"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use named resolver with port number
+    steps:
+    - script: dqy A AAAA www.google.com "@one.one.one.one:53"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use DoH resolver
+    steps:
+    - script: dqy A www.google.com "@https://cloudflare-dns.com/dns-query"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use DoQ resolver
+    steps:
+    - script: dqy A www.google.com "@quic://dns.adguard.com"
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: dqy axfr @nsztm1.digi.ninja zonetransfer.me
+    steps:
+    - script: dqy axfr "@nsztm1.digi.ninja" zonetransfer.me
+      assertions:
+      - result.code ShouldEqual 0      
+
+
+
+

tests/venom/endpoint-ipv6.yml

@@ -0,0 +1,46 @@
+# test all different endpoints
+name: DQY binary test (endpoints v6)
+testcases:
+  - name: use specific ipv6 resolver
+    steps:
+    - script: dqy A www.google.com "@2606:4700:4700::1111" -6
+      assertions:
+
+  - name: use specific ipv6 resolver with port number
+    steps:
+    - script: dqy A www.google.com "@[2606:4700:4700::1111]:53" -6
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use named resolver ipv6
+    steps:
+    - script: dqy A AAAA www.google.com "@one.one.one.one" -6
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use named resolver ipv6 TCP
+    steps:
+    - script: dqy A AAAA www.google.com "@one.one.one.one" -6 --tcp
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use named resolver with port number ipv6
+    steps:
+    - script: dqy A AAAA www.google.com "@one.one.one.one:53" -6
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use DoH resolver
+    steps:
+    - script: dqy A www.google.com "@https://cloudflare-dns.com/dns-query" -6
+      assertions:
+      - result.code ShouldEqual 0
+
+  - name: use DoQ resolver
+    steps:
+    - script: dqy A www.google.com "@quic://dns.adguard.com" -6
+      assertions:
+      - result.code ShouldEqual 0
+
+
+