[yew-devel] [PATCH proxmox-yew-comp v2] fix #6787: ui: allow creating PAM users from dashboard

From: Shan Shaji <s.shaji@proxmox.com>
To: yew-devel@lists.proxmox.com
Subject: [yew-devel] [PATCH proxmox-yew-comp v2] fix #6787: ui: allow creating PAM users from dashboard
Date: Tue, 28 Oct 2025 14:33:26 +0100	[thread overview]
Message-ID: <20251028133326.342164-1-s.shaji@proxmox.com> (raw)

When tried to create a user in the PAM realm an error occurs if the user
doesn't exist on the host. To fix the issue hid the password and confirm
password fields. Now the user will only be added to the `.cfg` file and
won't be trying to update the password. The error was originating from
the invocation of `pam_chauthtok`.

Since the user is not created on the system, if tried to change the
password the same error will be shown again. Inorder to avoid that
the "change password" button will only be enabled if the user is
not a "pam" user.

Signed-off-by: Shan Shaji <s.shaji@proxmox.com>
---
 changes since v1: Thanks @Shannon
 - Use `and_then` combinator instead of chaining `map` and `flatten`
   functions.

 src/user_panel.rs | 62 ++++++++++++++++++++++++++++++-----------------
 1 file changed, 40 insertions(+), 22 deletions(-)

diff --git a/src/user_panel.rs b/src/user_panel.rs
index d983928..1488a66 100644
--- a/src/user_panel.rs
+++ b/src/user_panel.rs
@@ -165,8 +165,12 @@ impl LoadableComponent for ProxmoxUserPanel {
 
     fn toolbar(&self, ctx: &LoadableComponentContext<Self>) -> Option<Html> {
         let link = ctx.link();
-
         let disabled = self.selection.is_empty();
+        let mut disable_change_password = disabled;
+
+        if let Some(user) = self.get_selected_user() {
+            disable_change_password = user.user.userid.realm().as_str() == "pam";
+        }
 
         let toolbar = Toolbar::new()
             .class("pwt-w-100")
@@ -190,7 +194,7 @@ impl LoadableComponent for ProxmoxUserPanel {
             .with_spacer()
             .with_child(
                 Button::new(tr!("Change Password"))
-                    .disabled(disabled)
+                    .disabled(disable_change_password)
                     .onclick(link.change_view_callback(|_| Some(ViewState::ChangePassword))),
             )
             .with_child(
@@ -257,6 +261,12 @@ fn check_confirm_password(form_ctx: FormContext) {
 }
 
 impl ProxmoxUserPanel {
+    fn get_selected_user(&self) -> Option<UserWithTokens> {
+        self.selection
+            .selected_key()
+            .and_then(|key| self.store.read().lookup_record(&key).cloned())
+    }
+
     fn create_add_dialog(&self, ctx: &LoadableComponentContext<Self>) -> Html {
         EditWindow::new(tr!("Add") + ": " + &tr!("User"))
             .renderer(add_user_input_panel)
@@ -463,8 +473,10 @@ fn password_change_input_panel(_form_ctx: &FormContext) -> Html {
         .into()
 }
 
-fn add_user_input_panel(_form_ctx: &FormContext) -> Html {
-    InputPanel::new()
+fn add_user_input_panel(form_ctx: &FormContext) -> Html {
+    let is_pam = form_ctx.read().get_field_text("realm") == "pam";
+
+    let mut panel = InputPanel::new()
         .padding(4)
         .with_field(
             tr!("User name"),
@@ -481,24 +493,30 @@ fn add_user_input_panel(_form_ctx: &FormContext) -> Html {
                 .name("realm")
                 .required(true)
                 .submit(false),
-        )
-        .with_field(
-            tr!("Password"),
-            Field::new()
-                .name("password")
-                .required(true)
-                .schema(&PASSWORD_SCHEMA)
-                .input_type(InputType::Password),
-        )
-        // fixme: validate confirmation
-        .with_field(
-            tr!("Confirm password"),
-            Field::new()
-                .name("confirm_password")
-                .required(true)
-                .submit(false)
-                .input_type(InputType::Password),
-        )
+        );
+
+    if !is_pam {
+        panel = panel
+            .with_field(
+                tr!("Password"),
+                Field::new()
+                    .name("password")
+                    .required(true)
+                    .schema(&PASSWORD_SCHEMA)
+                    .input_type(InputType::Password),
+            )
+            // fixme: validate confirmation
+            .with_field(
+                tr!("Confirm password"),
+                Field::new()
+                    .name("confirm_password")
+                    .required(true)
+                    .submit(false)
+                    .input_type(InputType::Password),
+            );
+    }
+
+    panel
         .with_field(
             tr!("Expire"),
             Field::new()
-- 
2.47.3



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