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fix(login) #320

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fix(login) #320

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7 changes: 6 additions & 1 deletion src/session-child.c
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Original file line number Diff line number Diff line change
Expand Up @@ -603,8 +603,13 @@ session_child_run (int argc, char **argv)
if (x_authority)
{
gboolean drop_privileges = geteuid () == 0;
if (drop_privileges)
if (drop_privileges) {
if (x_authority_filename && chown (x_authority_filename, user_get_uid (user), user_get_gid (user)) < 0)
g_warning ("Failed to set ownership of user authority file: %s", strerror (errno));
privileges_drop (user_get_uid (user), user_get_gid (user));
if (x_authority_filename && chmod (x_authority_filename, S_IRUSR | S_IWUSR) < 0)
g_warning ("Failed to set access of user authority file: %s", strerror (errno));
}

g_autoptr(GError) error = NULL;
gboolean result = x_authority_write (x_authority, XAUTH_WRITE_MODE_REPLACE, x_authority_filename, &error);
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3 changes: 2 additions & 1 deletion src/x-authority.c
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Original file line number Diff line number Diff line change
Expand Up @@ -294,7 +294,8 @@ x_authority_write (XAuthority *auth, XAuthWriteMode mode, const gchar *filename,
if (!matched &&
priv->family == a_priv->family &&
address_matches &&
strcmp (priv->number, a_priv->number) == 0)
strcmp (priv->number, a_priv->number) == 0 &&
strcmp (priv->authorization_name, a_priv->authorization_name) == 0)
{
matched = TRUE;
if (mode == XAUTH_WRITE_MODE_REMOVE)
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