diff options
Diffstat (limited to 'src/login')
| -rw-r--r-- | src/login/pam_systemd.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c index 90ccbd7a83..8fc436c9d9 100644 --- a/src/login/pam_systemd.c +++ b/src/login/pam_systemd.c @@ -140,13 +140,11 @@ static int socket_from_display(const char *display, char **path) { } static int get_seat_from_display(const char *display, const char **seat, uint32_t *vtnr) { - union sockaddr_union sa = { - .un.sun_family = AF_UNIX, - }; + union sockaddr_union sa = {}; _cleanup_free_ char *p = NULL, *tty = NULL; _cleanup_close_ int fd = -1; struct ucred ucred; - int v, r; + int v, r, salen; assert(display); assert(vtnr); @@ -160,13 +158,15 @@ static int get_seat_from_display(const char *display, const char **seat, uint32_ r = socket_from_display(display, &p); if (r < 0) return r; - strncpy(sa.un.sun_path, p, sizeof(sa.un.sun_path)); + salen = sockaddr_un_set_path(&sa.un, p); + if (salen < 0) + return salen; fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); if (fd < 0) return -errno; - if (connect(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) + if (connect(fd, &sa.sa, salen) < 0) return -errno; r = getpeercred(fd, &ucred); |