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login: initialize XDG_RUNTIME_DIR as /run/user/$UID instead of /run/user/$USER

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The sssd folks would like to place the kerberos credential cache in
XDG_RUNTIME_DIR, but need to do that in the PAM auth hooks, before
pam_systemd is run as part of the PAM session setup. Hence, in order to
make this easy for them: avoid usage of usernames, and use user IDs
instead thus making an additional NSS lookup unnecessary in the kerberos
bits, but still have the directory well-defined so that the kerberos
bits can determine it before pam_systemd is run.
This commit is contained in:
Lennart Poettering 2012-06-19 17:25:28 +02:00
parent d305a67b46
commit 2138e96918
1 changed files with 1 additions and 3 deletions
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4
src/login/logind-user.c
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@ -259,9 +259,7 @@ static int user_mkdir_runtime_path(User *u) {
}
if (!u->runtime_path) {
p = strappend("/run/user/", u->name);
if (!p) {
if (asprintf(&p, "/run/user/%lu", (unsigned long) u->uid) < 0) {
log_error("Out of memory");
return -ENOMEM;
}