X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogin%2Fpam-module.c;h=13290fd8ea6de3fcbb621e99dc7d92e7be50a030;hb=7fd1b19bc9e9f5574f2877936b8ac267c7706947;hp=702095e5e677aec9ab3352ec0f808c3c461222bd;hpb=a5c32cff1f56afe6f0c6c70d91a88a7a8238b2d7;p=elogind.git

diff --git a/src/login/pam-module.c b/src/login/pam-module.c
index 702095e5e..13290fd8e 100644
--- a/src/login/pam-module.c
+++ b/src/login/pam-module.c
@@ -32,8 +32,6 @@
 #include <security/pam_ext.h>
 #include <security/pam_misc.h>
 
-#include <systemd/sd-daemon.h>
-
 #include "util.h"
 #include "audit.h"
 #include "macro.h"
@@ -258,13 +256,15 @@ static bool check_user_lists(
 }
 
 static int get_seat_from_display(const char *display, const char **seat, uint32_t *vtnr) {
-        char *p = NULL;
+        _cleanup_free_ char *p = NULL;
         int r;
-        int fd;
-        union sockaddr_union sa;
+        _cleanup_close_ int fd = -1;
+        union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+        };
         struct ucred ucred;
         socklen_t l;
-        char *tty;
+        _cleanup_free_ char *tty = NULL;
         int v;
 
         assert(display);
@@ -279,27 +279,17 @@ 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)-1);
 
         fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0);
-        if (fd < 0) {
-                free(p);
+        if (fd < 0)
                 return -errno;
-        }
 
-        zero(sa);
-        sa.un.sun_family = AF_UNIX;
-        strncpy(sa.un.sun_path, p, sizeof(sa.un.sun_path)-1);
-        free(p);
-
-        if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) {
-                close_nointr_nofail(fd);
+        if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0)
                 return -errno;
-        }
 
         l = sizeof(ucred);
         r = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l);
-        close_nointr_nofail(fd);
-
         if (r < 0)
                 return -errno;
 
@@ -308,8 +298,6 @@ static int get_seat_from_display(const char *display, const char **seat, uint32_
                 return r;
 
         v = vtnr_from_tty(tty);
-        free(tty);
-
         if (v < 0)
                 return v;
         else if (v == 0)
@@ -348,8 +336,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
 
         /* pam_syslog(handle, LOG_INFO, "pam-systemd initializing"); */
 
-        /* Make this a NOP on non-systemd systems */
-        if (sd_booted() <= 0)
+        /* Make this a NOP on non-logind systems */
+        if (!logind_running())
                 return PAM_SUCCESS;
 
         if (parse_argv(handle,
@@ -452,9 +440,10 @@ _public_ PAM_EXTERN int pam_sm_open_session(
         seat = strempty(seat);
 
         if (strchr(tty, ':')) {
-                /* A tty with a colon is usually an X11 display, place
-                 * there to show up in utmp. We rearrange things and
-                 * don't pretend that an X display was a tty */
+                /* A tty with a colon is usually an X11 display,
+                 * placed there to show up in utmp. We rearrange
+                 * things and don't pretend that an X display was a
+                 * tty. */
 
                 if (isempty(display))
                         display = tty;
@@ -494,7 +483,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
         if (isempty(class))
                 class = class_pam;
         if (isempty(class))
-                class = "user";
+                class = streq(type, "unspecified") ? "background" : "user";
 
         remote = !isempty(remote_host) &&
                 !streq(remote_host, "localhost") &&