diff --git a/src/config.h.in b/src/config.h.in index 7d61220..ca0b1a8 100644 --- a/src/config.h.in +++ b/src/config.h.in @@ -478,3 +478,12 @@ /* Define to inline symbol or empty */ #undef inline + +/* Do we need FIPS warning? */ +#undef HAVE_FIPS_WARNING + +/* Link to system-fips file */ +#undef SYSTEM_FIPS_FILE_LINK + +/* Link to fips_enabled file */ +#undef FIPS_ENABLED_FILE_LINK diff --git a/src/configure.ac b/src/configure.ac index 1e7d444..5e45762 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -525,6 +525,38 @@ else AC_MSG_RESULT(yes) fi +dnl Checking if we want FIPS warning + +AC_MSG_CHECKING(--enable-fips-warning) +AC_ARG_ENABLE([fips-warning], + AS_HELP_STRING([--enable-fips-warning], [Enable FIPS warning]), + ,[enable_fips_warning="no"]) + +if test "$enable_fips_warning" = "yes"; then + AC_MSG_RESULT(yes) + AC_DEFINE([HAVE_FIPS_WARNING]) + + dnl Setting path for system-fips file + + AC_MSG_CHECKING(--with-system-fips-file argument) + AC_ARG_WITH([system-fips-file], [ --with-system-fips-file=PATH Link to system-fips file (default: /etc/system-fips)], + with_system_fips_file=$withval, + with_system_fips_file="/etc/system-fips") + AC_MSG_RESULT([$with_system_fips_file]) + AC_DEFINE_UNQUOTED([SYSTEM_FIPS_FILE_LINK], ["$with_system_fips_file"]) + + dnl Setting link to fips_enabled file + + AC_MSG_CHECKING(--with-fips-enabled-file argument) + AC_ARG_WITH([fips-enabled-file], [ --with-fips-enabled-file=PATH Link to fibs_enabled file (default: /proc/sys/crypto/fips_enabled)], + with_fips_enabled_file=$withval, + with_fips_enabled_file="/proc/sys/crypto/fips_enabled") + AC_MSG_RESULT([$with_fips_enabled_file]) + AC_DEFINE_UNQUOTED([FIPS_ENABLED_FILE_LINK], ["$with_fips_enabled_file"]) +else + AC_MSG_RESULT(no) +fi + dnl Check for Lua feature. AC_MSG_CHECKING(--enable-luainterp argument) AC_ARG_ENABLE(luainterp, diff --git a/src/crypt.c b/src/crypt.c index dfbf02c..c935bc0 100644 --- a/src/crypt.c +++ b/src/crypt.c @@ -501,6 +501,21 @@ crypt_check_method(int method) msg_scroll = TRUE; MSG(_("Warning: Using a weak encryption method; see :help 'cm'")); } +#ifdef HAVE_FIPS_WARNING + FILE *fips_enable_fd = fopen(FIPS_ENABLED_FILE_LINK, "r"); + if (fips_enable_fd == NULL) + return; + + int enabled = fgetc(fips_enable_fd); + + if ( access(SYSTEM_FIPS_FILE_LINK, F_OK) != -1 && enabled == '1') + { + msg_scroll = TRUE; + MSG(_("Warning: This cryptography is not FIPS 140-2 compliant.")); + } + + fclose(fips_enable_fd); +#endif } void