diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index 6cecd6f..6625560 100644 --- a/configure.ac +++ b/configure.ac @@ -134,6 +134,21 @@ case ${selinux_enabled} in *) AC_MSG_ERROR([Unknown option \`${selinux_enabled}\` for --disable-selinux]) ;; esac +dnl `--with-randomdev`: Default value /dev/random +use_customrng=no +AC_MSG_CHECKING([for random device]) +AC_ARG_WITH([rngdev], + [AS_HELP_STRING([--with-rngdev], [Set an alternative random device. (default: /dev/random)])], + [use_customrng=yes], [with_rngdev="/dev/random"]) +case ${with_rngdev} in + /dev/random) ;; + /dev/urandom) ;; + *) AC_MSG_ERROR([Unknown random device \`${with_rngdev}\` for --with-rngdev: Only \`/dev/random\` xor \`/dev/urandom\` allowed. This option is unused on Windows targets.]) ;; +esac +AC_MSG_RESULT([${with_rngdev}]) +AC_DEFINE_UNQUOTED([RNGDEV], ["${with_rngdev}"], + [set the path to the random device you want to use for pt_random]) + dnl Check libcap headers/functions. if test x"${pcap_enabled}" != x -a \ x"${use_msw}" != xyes; then @@ -146,11 +161,10 @@ if test x"${pcap_enabled}" != x -a \ fi dnl Check for more secure randomization functions -AC_CHECK_HEADERS([bsd/stdlib.h],, [random_enabled=yes]) -AC_SEARCH_LIBS([arc4random], [bsd],,,) -AC_CHECK_FUNCS([arc4random], [random_enabled=],) -if test x"${random_enabled}" = x; then - arc4random_enabled=yes +if test x"${use_customrng}" != xyes; then + AC_CHECK_HEADERS([bsd/stdlib.h],,) + AC_SEARCH_LIBS([arc4random], [bsd],,,) + AC_CHECK_FUNCS([arc4random], [arc4random_enabled=yes],) fi dnl Check for SELINUX @@ -187,8 +201,8 @@ AM_CONDITIONAL([HAVE_PCAP], [test x"${pcap_enabled}" = xyes]) AM_CONDITIONAL([HAVE_SELINUX], [test x"${selinux_enabled}" = xyes]) AM_CONDITIONAL([IS_WINDOWS], [test x"${use_msw}" = xyes]) AM_CONDITIONAL([HAVE_ICMPFILTER], [test x"${with_icmp_filter}" = xyes]) -AM_CONDITIONAL([HAVE_RANDOM], [test x"${random_enabled}" = xyes]) AM_CONDITIONAL([HAVE_ARC4RANDOM], [test x"${arc4random_enabled}" = xyes]) +AM_CONDITIONAL([USE_CUSTOMRNG], [test x"${use_customrng}" = xyes]) dnl output config headers AC_CONFIG_HEADERS([src/config.h:src/config.h.in]) |