[pbs-devel] [PATCH v3 proxmox-backup 08/18] api-types: add config options for LDAP user sync

Lukas Wagner l.wagner at proxmox.com
Thu Feb 9 14:31:18 CET 2023


Signed-off-by: Lukas Wagner <l.wagner at proxmox.com>
---
 pbs-api-types/src/ldap.rs      | 125 ++++++++++++++++++++++++++++++++-
 src/api2/config/access/ldap.rs |  33 +++++++++
 2 files changed, 156 insertions(+), 2 deletions(-)

diff --git a/pbs-api-types/src/ldap.rs b/pbs-api-types/src/ldap.rs
index 06b8788d..316b5a65 100644
--- a/pbs-api-types/src/ldap.rs
+++ b/pbs-api-types/src/ldap.rs
@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-use proxmox_schema::{api, Updater};
+use proxmox_schema::{api, ApiStringFormat, ApiType, ArraySchema, Schema, StringSchema, Updater};
 
 use super::{REALM_ID_SCHEMA, SINGLE_LINE_COMMENT_SCHEMA};
 
@@ -32,7 +32,19 @@ pub enum LdapMode {
         "verify": {
             optional: true,
             default: false,
-        }
+        },
+        "sync-defaults-options": {
+            schema: SYNC_DEFAULTS_STRING_SCHEMA,
+            optional: true,
+        },
+        "sync-attributes": {
+            schema: SYNC_ATTRIBUTES_SCHEMA,
+            optional: true,
+        },
+        "user-classes" : {
+            optional: true,
+            schema: USER_CLASSES_SCHEMA,
+        },
     },
 )]
 #[derive(Serialize, Deserialize, Updater, Clone)]
@@ -75,4 +87,113 @@ pub struct LdapRealmConfig {
     /// Bind domain to use for looking up users
     #[serde(skip_serializing_if = "Option::is_none")]
     pub bind_dn: Option<String>,
+    /// Custom LDAP search filter for user sync
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub filter: Option<String>,
+    /// Default options for LDAP sync
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sync_defaults_options: Option<String>,
+    /// List of attributes to sync from LDAP to user config
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sync_attributes: Option<String>,
+    /// User ``objectClass`` classes to sync
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub user_classes: Option<String>,
+}
+
+#[api(
+    properties: {
+        "remove-vanished": {
+            optional: true,
+            schema: REMOVE_VANISHED_SCHEMA,
+        },
+    },
+
+)]
+#[derive(Serialize, Deserialize, Updater, Default, Debug)]
+#[serde(rename_all = "kebab-case")]
+/// Default options for LDAP synchronization runs
+pub struct SyncDefaultsOptions {
+    /// How to handle vanished properties/users
+    pub remove_vanished: Option<String>,
+    /// Enable new users after sync
+    pub enable_new: Option<bool>,
+}
+
+#[api()]
+#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
+#[serde(rename_all = "kebab-case")]
+/// remove-vanished options
+pub enum RemoveVanished {
+    /// Delete ACLs for vanished users
+    Acl,
+    /// Remove vanished users
+    Entry,
+    /// Remove vanished properties from users (e.g. email)
+    Properties,
 }
+
+pub const SYNC_DEFAULTS_STRING_SCHEMA: Schema = StringSchema::new("sync defaults options")
+    .format(&ApiStringFormat::PropertyString(
+        &SyncDefaultsOptions::API_SCHEMA,
+    ))
+    .schema();
+
+const REMOVE_VANISHED_DESCRIPTION: &str =
+    "A semicolon-seperated list of things to remove when they or the user \
+vanishes during user synchronization. The following values are possible: ``entry`` removes the \
+user when not returned from the sync; ``properties`` removes any  \
+properties on existing user that do not appear in the source. \
+``acl`` removes ACLs when the user is not returned from the sync.";
+
+pub const REMOVE_VANISHED_SCHEMA: Schema = StringSchema::new(REMOVE_VANISHED_DESCRIPTION)
+    .format(&ApiStringFormat::PropertyString(&REMOVE_VANISHED_ARRAY))
+    .schema();
+
+pub const REMOVE_VANISHED_ARRAY: Schema = ArraySchema::new(
+    "Array of remove-vanished options",
+    &RemoveVanished::API_SCHEMA,
+)
+.min_length(1)
+.schema();
+
+#[api()]
+#[derive(Serialize, Deserialize, Updater, Default, Debug)]
+#[serde(rename_all = "kebab-case")]
+/// Determine which LDAP attributes should be synced to which user attributes
+pub struct SyncAttributes {
+    /// Name of the LDAP attribute containing the user's email address
+    pub email: Option<String>,
+    /// Name of the LDAP attribute containing the user's first name
+    pub firstname: Option<String>,
+    /// Name of the LDAP attribute containing the user's last name
+    pub lastname: Option<String>,
+}
+
+const SYNC_ATTRIBUTES_TEXT: &str = "Comma-separated list of key=value pairs for specifying \
+which LDAP attributes map to which PBS user field. For example, \
+to map the LDAP attribute ``mail`` to PBS's ``email``, write \
+``email=mail``.";
+
+pub const SYNC_ATTRIBUTES_SCHEMA: Schema = StringSchema::new(SYNC_ATTRIBUTES_TEXT)
+    .format(&ApiStringFormat::PropertyString(
+        &SyncAttributes::API_SCHEMA,
+    ))
+    .schema();
+
+pub const USER_CLASSES_ARRAY: Schema = ArraySchema::new(
+    "Array of user classes",
+    &StringSchema::new("user class").schema(),
+)
+.min_length(1)
+.schema();
+
+const USER_CLASSES_TEXT: &str = "Comma-separated list of allowed objectClass values for \
+user synchronization. For instance, if ``user-classes`` is set to ``person,user``, \
+then user synchronization will consider all LDAP entities \
+where ``objectClass: person`` `or` ``objectClass: user``.";
+
+pub const USER_CLASSES_SCHEMA: Schema = StringSchema::new(USER_CLASSES_TEXT)
+    .format(&ApiStringFormat::PropertyString(&USER_CLASSES_ARRAY))
+    .default("inetorgperson,posixaccount,person,user")
+    .schema();
diff --git a/src/api2/config/access/ldap.rs b/src/api2/config/access/ldap.rs
index fa83d8ba..90cd43c9 100644
--- a/src/api2/config/access/ldap.rs
+++ b/src/api2/config/access/ldap.rs
@@ -172,6 +172,14 @@ pub enum DeletableProperty {
     BindDn,
     /// LDAP bind passwort
     Password,
+    /// User filter
+    Filter,
+    /// Default options for user sync
+    SyncDefaultsOptions,
+    /// user attributes to sync with LDAP attributes
+    SyncAttributes,
+    /// User classes
+    UserClasses,
 }
 
 #[api(
@@ -252,6 +260,18 @@ pub fn update_ldap_realm(
                 DeletableProperty::Password => {
                     auth_helpers::remove_ldap_bind_password(&realm, &domain_config_lock)?;
                 }
+                DeletableProperty::Filter => {
+                    config.filter = None;
+                }
+                DeletableProperty::SyncDefaultsOptions => {
+                    config.sync_defaults_options = None;
+                }
+                DeletableProperty::SyncAttributes => {
+                    config.sync_attributes = None;
+                }
+                DeletableProperty::UserClasses => {
+                    config.user_classes = None;
+                }
             }
         }
     }
@@ -301,6 +321,19 @@ pub fn update_ldap_realm(
         auth_helpers::store_ldap_bind_password(&realm, &password, &domain_config_lock)?;
     }
 
+    if let Some(filter) = update.filter {
+        config.filter = Some(filter);
+    }
+    if let Some(sync_defaults_options) = update.sync_defaults_options {
+        config.sync_defaults_options = Some(sync_defaults_options);
+    }
+    if let Some(sync_attributes) = update.sync_attributes {
+        config.sync_attributes = Some(sync_attributes);
+    }
+    if let Some(user_classes) = update.user_classes {
+        config.user_classes = Some(user_classes);
+    }
+
     domains.set_data(&realm, "ldap", &config)?;
 
     domains::save_config(&domains)?;
-- 
2.30.2






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