[pbs-devel] [PATCH proxmox-backup 2/2] fix #3853: tape cli: add force flag to key change-passphrase
Stefan Sterz
s.sterz at proxmox.com
Mon Feb 7 13:48:25 CET 2022
Adds the '--force' flag to the proxmox-tape command allowing users
with root privileges to overwrite the passphrase of a given key.
Signed-off-by: Stefan Sterz <s.sterz at proxmox.com>
---
src/bin/proxmox_tape/encryption_key.rs | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/src/bin/proxmox_tape/encryption_key.rs b/src/bin/proxmox_tape/encryption_key.rs
index 156295fd..3dd9b58b 100644
--- a/src/bin/proxmox_tape/encryption_key.rs
+++ b/src/bin/proxmox_tape/encryption_key.rs
@@ -146,11 +146,18 @@ fn show_key(
hint: {
schema: PASSWORD_HINT_SCHEMA,
},
+ force: {
+ optional: true,
+ type: bool,
+ description: "Don't ask for the old passphrase and overwrite it. Root only.",
+ default: false,
+ },
},
},
)]
/// Change the encryption key's password.
fn change_passphrase(
+ force: bool,
mut param: Value,
rpcenv: &mut dyn RpcEnvironment,
) -> Result<(), Error> {
@@ -159,11 +166,23 @@ fn change_passphrase(
bail!("unable to change passphrase - no tty");
}
- let password = tty::read_password("Current Tape Encryption Key Password: ")?;
+ let effective_uid = nix::unistd::Uid::effective();
+ let running_uid = nix::unistd::Uid::current();
+
+ // if the `--force` flag is provided check if we are root
+ if force && !effective_uid.is_root() && !running_uid.is_root() {
+ bail!("the force flag requires root privileges");
+ }
+
+ if force {
+ param["force"] = serde_json::Value::Bool(true);
+ } else {
+ let password = tty::read_password("Current Tape Encryption Key Password: ")?;
+ param["password"] = String::from_utf8(password)?.into();
+ }
let new_password = tty::read_and_verify_password("New Tape Encryption Key Password: ")?;
- param["password"] = String::from_utf8(password)?.into();
param["new-password"] = String::from_utf8(new_password)?.into();
let info = &api2::config::tape_encryption_keys::API_METHOD_CHANGE_PASSPHRASE;
--
2.30.2
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