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rustjail: fix the issue of missing default home env

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first get the "HOME" env from "/etc/passwd", if
there's no corresponding uid entry in /etc/passwd,
then set "/" as the home env.

Fixes: #1643

Signed-off-by: fupan.lfp <fupan.lfp@antfin.com>
This commit is contained in:
fupan.lfp 2021-04-07 12:00:35 +08:00
parent 0b87fd436f
commit a938d90310
1 changed files with 5 additions and 5 deletions
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10
src/agent/rustjail/src/container.rs
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@ -634,12 +634,12 @@ fn do_init_child(cwfd: RawFd) -> Result<()> {
env::set_var(v[0], v[1]); env::set_var(v[0], v[1]);
} }
// set the "HOME" env getting from "/etc/passwd" // set the "HOME" env getting from "/etc/passwd", if
// there's no uid entry in /etc/passwd, set "/" as the
// home env.
if env::var_os(HOME_ENV_KEY).is_none() { if env::var_os(HOME_ENV_KEY).is_none() {
match utils::home_dir(guser.uid) { let home_dir = utils::home_dir(guser.uid).unwrap_or_else(|_| String::from("/"));
Ok(home_dir) => env::set_var(HOME_ENV_KEY, home_dir), env::set_var(HOME_ENV_KEY, home_dir);
Err(e) => log_child!(cfd_log, "failed to get home dir: {:?}", e),
}
} }
let exec_file = Path::new(&args[0]); let exec_file = Path::new(&args[0]);