[pmg-devel] [PATCH proxmox] login: use 'PMG' as product for 'PMGQUAR' tickets

[Dominik Csapak <d.csapak@proxmox.com>]

We derive the product name from the beginning of the ticket normally,
but this does not work with PMGQUAR tickets. Since the cookie name uses
the product name, this results in a `PMGQUARAuthCookie`, but the cookie
still has to be `PMGAuthCookie` to work. To work around that, decouple
the userid range of the ticket from the product range, and modify it so
that PMGQUAR tickets return also PMG for the product. This will result
in the correct `PMGAuthCookie` name.

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
this is actually not used anywhere yet, but is necessary when we'll want
to use rust/yew for the quarantine interface, since that uses this
ticket for setting cookies, etc.

 proxmox-login/src/ticket.rs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/proxmox-login/src/ticket.rs b/proxmox-login/src/ticket.rs
index 4b28f26e..5e90c8cb 100644
--- a/proxmox-login/src/ticket.rs
+++ b/proxmox-login/src/ticket.rs
@@ -49,6 +49,7 @@ pub struct Ticket {
     data: Box<str>,
     timestamp: i64,
     product_len: u16,
+    userid_start: u16,
     userid_len: u16,
     // timestamp_len: u16,
 }
@@ -66,7 +67,7 @@ impl Ticket {
 
     /// The userid contained in the ticket.
     pub fn userid(&self) -> &str {
-        let start = usize::from(self.product_len) + 1;
+        let start = usize::from(self.userid_start);
         let len = usize::from(self.userid_len);
         &self.data[start..(start + len)]
     }
@@ -138,12 +139,17 @@ impl std::str::FromStr for Ticket {
         let data = s;
 
         // get product:
-        let product_len = s.find(':').ok_or(TicketError)?;
+        let mut product_len = s.find(':').ok_or(TicketError)?;
         if product_len >= 10 {
             // weird product
             return Err(TicketError);
         }
-        let s = &s[(product_len + 1)..];
+        let userid_start = product_len + 1;
+        // work around PMG quarantine tickets
+        if &s[..product_len] == "PMGQUAR" {
+            product_len = 3;
+        }
+        let s = &s[userid_start..];
 
         // get userid:
         let userid_len = s.find(':').ok_or(TicketError)?;
@@ -165,6 +171,7 @@ impl std::str::FromStr for Ticket {
 
         Ok(Self {
             product_len: u16::try_from(product_len).map_err(|_| TicketError)?,
+            userid_start: u16::try_from(userid_start).map_err(|_| TicketError)?,
             userid_len: u16::try_from(userid_len).map_err(|_| TicketError)?,
             //timestamp_len: u16::try_from(timestamp_len).map_err(|_| TicketError)?,
             timestamp,
-- 
2.39.5



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