diff options
Diffstat (limited to 'src/Daemon.cxx')
| -rw-r--r-- | src/Daemon.cxx | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/Daemon.cxx b/src/Daemon.cxx index 6fc0f2d7c..0a4eea841 100644 --- a/src/Daemon.cxx +++ b/src/Daemon.cxx @@ -47,7 +47,7 @@ static char *user_name; static uid_t user_uid = (uid_t)-1; /** the Unix group id which MPD runs as */ -static gid_t user_gid = (pid_t)-1; +static gid_t user_gid = (gid_t)-1; /** the absolute path of the pidfile */ static AllocatedPath pidfile = AllocatedPath::Null(); @@ -101,18 +101,21 @@ daemonize_set_user(void) return; /* set gid */ - if (user_gid != (gid_t)-1 && user_gid != getgid()) { - if (setgid(user_gid) == -1) { - FormatFatalSystemError("Failed to set group %d", - (int)user_gid); - } + if (user_gid != (gid_t)-1 && user_gid != getgid() && + setgid(user_gid) == -1) { + FormatFatalSystemError("Failed to set group %d", + (int)user_gid); } #ifdef _BSD_SOURCE - /* init suplementary groups + /* init supplementary groups * (must be done before we change our uid) */ - if (!had_group && initgroups(user_name, user_gid) == -1) { + if (!had_group && + /* no need to set the new user's supplementary groups if + we are already this user */ + user_uid != getuid() && + initgroups(user_name, user_gid) == -1) { FormatFatalSystemError("Failed to set supplementary groups " "of user \"%s\"", user_name); |