[pbs-devel] [PATCH proxmox-backup] correctly set apt proxy configuration
Dietmar Maurer
dietmar at proxmox.com
Tue May 11 08:54:29 CEST 2021
---
src/api2/node/apt.rs | 41 ++++++++++++++++++++++++++++++++---------
src/api2/node/config.rs | 9 ++++++++-
src/config/node.rs | 4 +++-
src/tools/http.rs | 18 +++++++++++++++---
4 files changed, 58 insertions(+), 14 deletions(-)
diff --git a/src/api2/node/apt.rs b/src/api2/node/apt.rs
index 1e57ea8d..83ccc460 100644
--- a/src/api2/node/apt.rs
+++ b/src/api2/node/apt.rs
@@ -5,11 +5,11 @@ use std::collections::HashMap;
use proxmox::list_subdirs_api_method;
use proxmox::api::{api, RpcEnvironment, RpcEnvironmentType, Permission};
use proxmox::api::router::{Router, SubdirMap};
+use proxmox::tools::fs::{replace_file, CreateOptions};
use crate::config::node;
use crate::server::WorkerTask;
-use crate::tools::{apt, SimpleHttp, subscription};
-
+use crate::tools::{apt, SimpleHttp, http::ProxyConfig, subscription};
use crate::config::acl::{PRIV_SYS_AUDIT, PRIV_SYS_MODIFY};
use crate::api2::types::{Authid, APTUpdateInfo, NODE_SCHEMA, UPID_SCHEMA};
@@ -47,10 +47,36 @@ fn apt_update_available(_param: Value) -> Result<Value, Error> {
Ok(json!(cache.package_status))
}
+pub fn update_apt_proxy_config(proxy_config: Option<&ProxyConfig>) -> Result<(), Error> {
+
+ const PROXY_CFG_FN: &str = "/etc/apt/apt.conf.d/76pveproxy"; // use same file as PVE
+
+ if let Some(proxy_config) = proxy_config {
+ let proxy = proxy_config.to_proxy_string()?;
+ let data = format!("Acquire::http::Proxy \"{}\";\n", proxy);
+ replace_file(PROXY_CFG_FN, data.as_bytes(), CreateOptions::new())?;
+ } else {
+ let _ = std::fs::remove_file(PROXY_CFG_FN);
+ }
+
+ Ok(())
+}
+
+fn read_and_update_proxy_config() -> Result<Option<ProxyConfig>, Error> {
+ let proxy_config = if let Ok((node_config, _digest)) = node::config() {
+ node_config.http_proxy()
+ } else {
+ None
+ };
+ update_apt_proxy_config(proxy_config.as_ref())?;
+
+ Ok(proxy_config)
+}
+
fn do_apt_update(worker: &WorkerTask, quiet: bool) -> Result<(), Error> {
if !quiet { worker.log("starting apt-get update") }
- // TODO: set proxy /etc/apt/apt.conf.d/76pbsproxy like PVE
+ read_and_update_proxy_config()?;
let mut command = std::process::Command::new("apt-get");
command.arg("update");
@@ -153,6 +179,7 @@ pub fn apt_update_database(
}
#[api(
+ protected: true,
input: {
properties: {
node: {
@@ -195,12 +222,7 @@ fn apt_get_changelog(
bail!("Package '{}' not found", name);
}
- let proxy_config = if let Ok((node_config, _digest)) = node::config() {
- node_config.http_proxy()
- } else {
- None
- };
-
+ let proxy_config = read_and_update_proxy_config()?;
let mut client = SimpleHttp::new(proxy_config);
let changelog_url = &pkg_info[0].change_log_url;
@@ -235,6 +257,7 @@ fn apt_get_changelog(
Ok(json!(changelog))
} else {
+ eprintln!("TZEST2");
let mut command = std::process::Command::new("apt-get");
command.arg("changelog");
command.arg("-qq"); // don't display download progress
diff --git a/src/api2/node/config.rs b/src/api2/node/config.rs
index 92c0100e..290e9284 100644
--- a/src/api2/node/config.rs
+++ b/src/api2/node/config.rs
@@ -4,6 +4,7 @@ use proxmox::api::schema::Updatable;
use proxmox::api::{api, Permission, Router, RpcEnvironment};
use crate::api2::types::NODE_SCHEMA;
+use crate::api2::node::apt::update_apt_proxy_config;
use crate::config::acl::{PRIV_SYS_AUDIT, PRIV_SYS_MODIFY};
use crate::config::node::{NodeConfig, NodeConfigUpdater};
@@ -78,5 +79,11 @@ pub fn update_node_config(
config.update_from(updater, &delete)?;
- crate::config::node::save_config(&config)
+ let http_proxy = config.http_proxy();
+
+ crate::config::node::save_config(&config)?;
+
+ update_apt_proxy_config(http_proxy.as_ref())?;
+
+ Ok(())
}
diff --git a/src/config/node.rs b/src/config/node.rs
index 31a2c5ab..33f3e2ad 100644
--- a/src/config/node.rs
+++ b/src/config/node.rs
@@ -151,6 +151,7 @@ impl NodeConfig {
AcmeDomainIter::new(self)
}
+ /// Returns the parsed ProxyConfig
pub fn http_proxy(&self) -> Option<ProxyConfig> {
if let Some(http_proxy) = &self.http_proxy {
match ProxyConfig::parse_proxy_url(&http_proxy) {
@@ -162,7 +163,8 @@ impl NodeConfig {
}
}
- pub fn set_proxy(&mut self, http_proxy: Option<String>) {
+ /// Sets the HTTP proxy configuration
+ pub fn set_http_proxy(&mut self, http_proxy: Option<String>) {
self.http_proxy = http_proxy;
}
diff --git a/src/tools/http.rs b/src/tools/http.rs
index 998e7647..0821992a 100644
--- a/src/tools/http.rs
+++ b/src/tools/http.rs
@@ -43,7 +43,7 @@ pub(crate) fn build_authority(host: &str, port: u16) -> Result<Authority, Error>
pub struct ProxyConfig {
pub host: String,
pub port: u16,
- pub authorization: Option<String>, // Proxy-Authorization header value
+ pub authorization: Option<String>, // user:pass
pub force_connect: bool,
}
@@ -94,7 +94,7 @@ impl ProxyConfig {
let authority_vec: Vec<&str> = proxy_authority.as_str().rsplitn(2, '@').collect();
let authorization = if authority_vec.len() == 2 {
- Some(format!("Basic {}", base64::encode(authority_vec[1])))
+ Some(authority_vec[1].to_string())
} else {
None
};
@@ -107,6 +107,15 @@ impl ProxyConfig {
})
}).map_err(|err| format_err!("parse_proxy_url failed: {}", err))
}
+
+ /// Assemble canonical proxy string (including scheme and port)
+ pub fn to_proxy_string(&self) -> Result<String, Error> {
+ let authority = build_authority(&self.host, self.port)?;
+ Ok(match self.authorization {
+ None => format!("http://{}", authority),
+ Some(ref authorization) => format!("http://{}@{}", authorization, authority)
+ })
+ }
}
#[derive(Clone)]
@@ -241,7 +250,10 @@ impl hyper::service::Service<Uri> for HttpsConnector {
let mut connect_request = format!("CONNECT {0}:{1} HTTP/1.1\r\n", host, port);
if let Some(authorization) = authorization {
- connect_request.push_str(&format!("Proxy-Authorization: {}\r\n", authorization));
+ connect_request.push_str(&format!(
+ "Proxy-Authorization: Basic {}\r\n",
+ base64::encode(authorization),
+ ));
}
connect_request.push_str(&format!("Host: {0}:{1}\r\n\r\n", host, port));
--
2.20.1
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