You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.7 KiB
56 lines
1.7 KiB
1 month ago
|
diff -up Linux-PAM-1.5.1/configure.ac.libpam-close-range Linux-PAM-1.5.1/configure.ac
|
||
|
|
--- Linux-PAM-1.5.1/configure.ac.libpam-close-range 2023-11-10 10:35:00.142833269 +0100
|
||
|
|
+++ Linux-PAM-1.5.1/configure.ac 2023-11-10 10:36:29.158987392 +0100
|
||
|
|
@@ -552,6 +552,7 @@ AC_CHECK_FUNCS(inet_ntop inet_pton innet
|
||
|
|
AC_CHECK_FUNCS(quotactl)
|
||
|
|
AC_CHECK_FUNCS(unshare)
|
||
|
|
AC_CHECK_FUNCS([ruserok_af ruserok], [break])
|
||
|
|
+AC_CHECK_FUNCS(close_range)
|
||
|
|
BACKUP_LIBS=$LIBS
|
||
|
|
LIBS="$LIBS -lutil"
|
||
|
|
AC_CHECK_FUNCS([logwtmp])
|
||
|
|
diff -up Linux-PAM-1.5.1/libpam/pam_modutil_sanitize.c.libpam-close-range Linux-PAM-1.5.1/libpam/pam_modutil_sanitize.c
|
||
|
|
--- Linux-PAM-1.5.1/libpam/pam_modutil_sanitize.c.libpam-close-range 2020-11-25 17:57:02.000000000 +0100
|
||
|
|
+++ Linux-PAM-1.5.1/libpam/pam_modutil_sanitize.c 2023-11-10 10:35:00.142833269 +0100
|
||
|
|
@@ -11,6 +11,10 @@
|
||
|
|
#include <syslog.h>
|
||
|
|
#include <sys/resource.h>
|
||
|
|
|
||
|
|
+#ifndef CLOSE_RANGE_UNSHARE
|
||
|
|
+#define CLOSE_RANGE_UNSHARE (1U << 1)
|
||
|
|
+#endif /* CLOSE_RANGE_UNSHARE */
|
||
|
|
+
|
||
|
|
/*
|
||
|
|
* Creates a pipe, closes its write end, redirects fd to its read end.
|
||
|
|
* Returns fd on success, -1 otherwise.
|
||
|
|
@@ -84,9 +88,8 @@ redirect_out(pam_handle_t *pamh, enum pa
|
||
|
|
return fd;
|
||
|
|
}
|
||
|
|
|
||
|
|
-/* Closes all descriptors after stderr. */
|
||
|
|
static void
|
||
|
|
-close_fds(void)
|
||
|
|
+close_fds_iteratively(void)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* An arbitrary upper limit for the maximum file descriptor number
|
||
|
|
@@ -111,6 +114,18 @@ close_fds(void)
|
||
|
|
close(fd);
|
||
|
|
}
|
||
|
|
|
||
|
|
+/* Closes all descriptors after stderr. */
|
||
|
|
+static void
|
||
|
|
+close_fds(void)
|
||
|
|
+{
|
||
|
|
+#ifdef HAVE_CLOSE_RANGE
|
||
|
|
+ if (close_range(STDERR_FILENO+1, -1U, CLOSE_RANGE_UNSHARE) == 0)
|
||
|
|
+ return;
|
||
|
|
+#endif /* HAVE_CLOSE_RANGE */
|
||
|
|
+
|
||
|
|
+ close_fds_iteratively();
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
int
|
||
|
|
pam_modutil_sanitize_helper_fds(pam_handle_t *pamh,
|
||
|
|
enum pam_modutil_redirect_fd stdin_mode,
|