From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <c.heiss@proxmox.com>
Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68])
(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
key-exchange X25519 server-signature RSA-PSS (2048 bits))
(No client certificate requested)
by lists.proxmox.com (Postfix) with ESMTPS id D4685C0DE9
for <pbs-devel@lists.proxmox.com>; Fri, 12 Jan 2024 17:16:56 +0100 (CET)
Received: from firstgate.proxmox.com (localhost [127.0.0.1])
by firstgate.proxmox.com (Proxmox) with ESMTP id C24D9349E3
for <pbs-devel@lists.proxmox.com>; Fri, 12 Jan 2024 17:16:55 +0100 (CET)
Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com
[94.136.29.106])
(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
key-exchange X25519 server-signature RSA-PSS (2048 bits))
(No client certificate requested)
by firstgate.proxmox.com (Proxmox) with ESMTPS
for <pbs-devel@lists.proxmox.com>; Fri, 12 Jan 2024 17:16:54 +0100 (CET)
Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1])
by proxmox-new.maurer-it.com (Proxmox) with ESMTP id D1F0549130
for <pbs-devel@lists.proxmox.com>; Fri, 12 Jan 2024 17:16:53 +0100 (CET)
From: Christoph Heiss <c.heiss@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Fri, 12 Jan 2024 17:15:57 +0100
Message-ID: <20240112161614.1012311-3-c.heiss@proxmox.com>
X-Mailer: git-send-email 2.42.0
In-Reply-To: <20240112161614.1012311-1-c.heiss@proxmox.com>
References: <20240112161614.1012311-1-c.heiss@proxmox.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-SPAM-LEVEL: Spam detection results: 0
AWL 0.003 Adjusted score from AWL reputation of From: address
BAYES_00 -1.9 Bayes spam probability is 0 to 1%
DMARC_MISSING 0.1 Missing DMARC policy
KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment
SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record
SPF_PASS -0.001 SPF: sender matches SPF record
T_SCC_BODY_TEXT_LINE -0.01 -
URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See
http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more
information. [rfc-editor.org, lib.rs, glauth.rs]
Subject: [pbs-devel] [PATCH proxmox v3 02/13] ldap: add method for
retrieving root DSE attributes
X-BeenThere: pbs-devel@lists.proxmox.com
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Proxmox Backup Server development discussion
<pbs-devel.lists.proxmox.com>
List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pbs-devel>,
<mailto:pbs-devel-request@lists.proxmox.com?subject=unsubscribe>
List-Archive: <http://lists.proxmox.com/pipermail/pbs-devel/>
List-Post: <mailto:pbs-devel@lists.proxmox.com>
List-Help: <mailto:pbs-devel-request@lists.proxmox.com?subject=help>
List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel>,
<mailto:pbs-devel-request@lists.proxmox.com?subject=subscribe>
X-List-Received-Date: Fri, 12 Jan 2024 16:16:56 -0000
The root DSE holds common attributes about the LDAP server itself.
Needed to e.g. support Active Directory-based LDAP servers to retrieve
the base DN from the server itself, based on an valid bind.
See also RFC 4512, Section 5.1 [0] for more information about this
special object.
[0] https://www.rfc-editor.org/rfc/rfc4512#section-5.1
Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
proxmox-ldap/src/lib.rs | 22 ++++++++++++++++++++++
proxmox-ldap/tests/assets/glauth.cfg | 1 +
proxmox-ldap/tests/glauth.rs | 16 ++++++++++++++++
3 files changed, 39 insertions(+)
diff --git a/proxmox-ldap/src/lib.rs b/proxmox-ldap/src/lib.rs
index f9862e2..2df7409 100644
--- a/proxmox-ldap/src/lib.rs
+++ b/proxmox-ldap/src/lib.rs
@@ -193,6 +193,28 @@ impl Connection {
Ok(())
}
+ /// Retrieves an attribute from the root DSE according to RFC 4512, Section 5.1
+ /// https://www.rfc-editor.org/rfc/rfc4512#section-5.1
+ pub async fn retrieve_root_dse_attr(&self, attr: &str) -> Result<Vec<String>, Error> {
+ let mut ldap = self.create_connection().await?;
+
+ let (entries, _res) = ldap
+ .search("", Scope::Base, "(objectClass=*)", &[attr])
+ .await?
+ .success()?;
+
+ if entries.len() > 1 {
+ bail!("found multiple root DSEs with attribute '{attr}'");
+ }
+
+ entries
+ .into_iter()
+ .next()
+ .map(SearchEntry::construct)
+ .and_then(|e| e.attrs.get(attr).cloned())
+ .ok_or_else(|| format_err!("failed to retrieve root DSE attribute '{attr}'"))
+ }
+
/// Retrive port from LDAP configuration, otherwise use the correct default
fn port_from_config(&self) -> u16 {
self.config.port.unwrap_or_else(|| {
diff --git a/proxmox-ldap/tests/assets/glauth.cfg b/proxmox-ldap/tests/assets/glauth.cfg
index 7255169..8abbdc6 100644
--- a/proxmox-ldap/tests/assets/glauth.cfg
+++ b/proxmox-ldap/tests/assets/glauth.cfg
@@ -16,6 +16,7 @@ debug = true
baseDN = "dc=example,dc=com"
nameformat = "cn"
groupformat = "ou"
+ anonymousdse = true
# to create a passSHA256: echo -n "mysecret" | openssl dgst -sha256
diff --git a/proxmox-ldap/tests/glauth.rs b/proxmox-ldap/tests/glauth.rs
index 88875d2..74720c1 100644
--- a/proxmox-ldap/tests/glauth.rs
+++ b/proxmox-ldap/tests/glauth.rs
@@ -191,3 +191,19 @@ fn test_check_connection() -> Result<(), Error> {
Ok(())
}
+
+#[test]
+#[ignore]
+fn test_retrieve_root_dse_attr() -> Result<(), Error> {
+ let _glauth = GlauthServer::new("tests/assets/glauth.cfg")?;
+
+ let connection = Connection::new(default_config());
+
+ let values = proxmox_async::runtime::block_on(
+ connection.retrieve_root_dse_attr("defaultNamingContext"),
+ )?;
+
+ assert_eq!(values, vec!["dc=example,dc=com"]);
+
+ Ok(())
+}
--
2.42.0