diff options
Diffstat (limited to 'nss_mapuid.c')
| -rw-r--r-- | nss_mapuid.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/nss_mapuid.c b/nss_mapuid.c index 7b8faa7..f97b28e 100644 --- a/nss_mapuid.c +++ b/nss_mapuid.c @@ -53,6 +53,13 @@ static const char *nssname = "nss_mapuid"; /* for syslogs */ static const char dbdir[] = "/run/mapuser/"; /* + * If you aren't using glibc or a variant that supports this, + * and you have a system that supports the BSD getprogname(), + * you can replace this use with getprogname() + */ +extern const char *__progname; + +/* * Read the requested session file (in the dbdir by intent), verify the * uid matches, and setup the passwd structure with the username found * in the file. @@ -185,6 +192,16 @@ enum nss_status _nss_mapuid_getpwuid_r(uid_t uid, struct passwd *pw, enum nss_status status = NSS_STATUS_NOTFOUND; uint32_t session; + /* + * the useradd family will not add/mod/del users correctly with + * the mapuid functionality, so return immediately if we are + * running as part of those processes. + */ + if (__progname && (!strcmp(__progname, "useradd") || + !strcmp(__progname, "usermod") || + !strcmp(__progname, "userdel"))) + return status; + /* this can happen for permission reasons, do don't complain except * at debug */ if (nss_mapuser_config(errnop, nssname) == 1) { |