components/desktop/lightdm/patches/18-set-path.patch

   1 --- lightdm-1.19.3/src/session-child.c.~7~      2017-04-25 12:24:59.852060367 +0300
   2 +++ lightdm-1.19.3/src/session-child.c  2017-04-25 12:27:23.569942688 +0300
   3 @@ -8,6 +8,7 @@
   4  #include <sys/types.h>
   5  #include <sys/stat.h>
   6  #include <sys/wait.h>
   7 +#include <deflt.h>
   8  #include <fcntl.h>
   9  #include <pwd.h>
  10  #include <grp.h>
  11 @@ -97,6 +97,29 @@
  12      return value;
  13  }
  14
  15 +/*
  16 + * lightdm_read_default
  17 + *
  18 + * This function is used to support systems that have the /etc/default/login
  19 + * interface to control programs that affect security.  This is a Solaris
  20 + * thing, though some users on other systems may find it useful.
  21 + */
  22 +static gchar *
  23 +lightdm_read_default (gchar *key)
  24 +{
  25 +    gchar *retval = NULL;
  26 +
  27 +    if (defopen ("/etc/default/login") == 0) {
  28 +       int flags = defcntl (DC_GETFLAGS, 0);
  29 +
  30 +       TURNOFF (flags, DC_CASE);
  31 +       (void) defcntl (DC_SETFLAGS, flags);  /* ignore case */
  32 +       retval = g_strdup (defread (key));
  33 +       (void) defopen ((char *)NULL);
  34 +    }
  35 +    return retval;
  36 +}
  37 +
  38  static void
  39  run_linc_cleanup(User *user)
  40  {
  41 @@ -536,8 +536,20 @@
  42          }
  43          else
  44          {
  45 +            char * path_str = NULL;
  46 +
  47              /* Set POSIX variables */
  48 -            pam_putenv (pam_handle, "PATH=/usr/local/bin:/usr/bin:/bin");
  49 +            if (user_get_uid(user) == 0)
  50 +               path_str = lightdm_read_default ("SUPATH=");
  51 +
  52 +            if (path_str == NULL)
  53 +               path_str = lightdm_read_default ("PATH=");
  54 +
  55 +            /* Sane fallback */
  56 +            if (path_str == NULL)
  57 +               path_str = "/usr/bin:/usr/sbin:/sbin:/usr/gnu/bin";
  58 +
  59 +            pam_putenv (pam_handle, g_strdup_printf ("PATH=%s", path_str));
  60              pam_putenv (pam_handle, g_strdup_printf ("USER=%s", username));
  61              pam_putenv (pam_handle, g_strdup_printf ("LOGNAME=%s", username));
  62              pam_putenv (pam_handle, g_strdup_printf ("HOME=%s", user_get_home_directory (user)));