fips-1.0/fipsld

   1 #!/bin/sh -e
   2 #
   3 # Copyright (c) 2005 The OpenSSL Project.
   4 #
   5 # Depending on output file name, the script either embeds fingerprint
   6 # into libcrypto.so or static application. "Static" refers to static
   7 # libcrypto.a, not [necessarily] application per se.
   8 #
   9 # Even though this script is called fipsld, it expects C compiler
  10 # command line syntax and $FIPSLD_CC or $CC environment variable set
  11 # and can even be used to compile source files.
  12
  13 #set -x
  14
  15 CC=${FIPSLD_CC:-${CC}}
  16 [ -n "${CC}" ] || { echo '$CC is not defined'; exit 1; }
  17
  18 # Initially -c wasn't intended to be interpreted here, but it might
  19 # make life easier for those who want to build FIPS-ified applications
  20 # with minimal [if any] modifications to their Makefiles...
  21 (   while [ "x$1" != "x" -a "x$1" != "x-c" ]; do shift; done;
  22     [ $# -ge 1 ]
  23 ) && exec ${CC} "$@"
  24
  25 # If using an auto-tooled (autoconf/automake/libtool) project,
  26 # configure will fail when testing the compiler or even performing
  27 # simple checks.  Pass-thru to compiler directly if not linking
  28 # to libcrypto, allowing auto-tooled applications to utilize fipsld
  29 # (e.g.  CC=/usr/local/ssl/bin/fipsld FIPSLD_CC=gcc ./configure && make )
  30 # If FIPSLD_NPT is set never call the pass-thru: the standalone fips commands
  31 # need this because they don't link to libcrypto
  32 [ -z "$FIPSLD_NPT" -a -z "$FIPSLD_LIBFIPS" ] && {
  33 case "$*" in
  34         *libcrypto.a*)
  35         ;;
  36         *-lcrypto*)
  37         ;;
  38         *)
  39                 exec ${CC} $*
  40         ;;
  41 esac
  42 }
  43
  44 # Turn on debugging output?
  45 (   while [ "x$1" != "x" -a "x$1" != "x-DDEBUG_FINGERPRINT_PREMAIN" ]; do shift; done;
  46     [ $# -ge 1 ]
  47 ) && set -x
  48
  49 TARGET=`(while [ "x$1" != "x" -a "x$1" != "x-o" ]; do shift; done; echo $2)`
  50 [ -n "${TARGET}" ] || { echo 'no -o specified'; exit 1; }
  51
  52 THERE="`echo $0 | sed -e 's|[^/]*$||'`"..
  53
  54 # FIPSCANLIB is the library containing fipscanister.o by default it is
  55 # libcrypto.a
  56
  57 FIPSCANLIB=${FIPSCANLIB:-libcrypto}
  58
  59 # FIPSLIBDIR is location of installed validated FIPS module
  60 # if FIPSCANISTERINTERNAL="y" link against internally generated fipscanister.o
  61 if [ "x$FIPSCANISTERINTERNAL" != "xy" ]; then
  62         FIPSLIBDIR=${FIPSLIBDIR:-/usr/local/ssl/lib}
  63 else
  64         FIPSLIBDIR=${THERE}/fips-1.0
  65 fi
  66
  67 [ -f "${FIPSLIBDIR}/fipscanister.o" ] ||
  68         { echo "fipscanister.o not found"; exit 1; }
  69
  70 HMAC_KEY="etaonrishdlcupfm"
  71
  72 case "`(uname -s) 2>/dev/null`" in
  73 OSF1|IRIX*)     _WL_PREMAIN="-Wl,-init,FINGERPRINT_premain"     ;;
  74 HP-UX)          _WL_PREMAIN="-Wl,+init,FINGERPRINT_premain"     ;;
  75 AIX)            _WL_PREMAIN="-Wl,-binitfini:FINGERPRINT_premain,-bnoobjreorder";;
  76 Darwin)         (   while [ "x$1" != "x" -a "x$1" != "x-dynamiclib" ]; do shift; done;
  77                     [ $# -ge 1 ]
  78                 ) && _WL_PREMAIN="-Wl,-init,_FINGERPRINT_premain" ;;
  79 esac
  80
  81 case "${TARGET}" in
  82 [!/]*)  TARGET=./${TARGET} ;;
  83 esac
  84
  85 case "${TARGET}" in
  86 *${FIPSCANLIB}*|*.dll)  # must be linking a shared lib...
  87         # Shared lib creation can be taking place in the source
  88         # directory only!!!
  89         FINGERTYPE="${THERE}/fips-1.0/sha/fips_standalone_sha1"
  90         CANISTER_O="${FIPSLIBDIR}/fipscanister.o"
  91         PREMAIN_C="${FIPSLIBDIR}/fips_premain.c"
  92 echo Canister: $CANISTER_O
  93
  94         # verify fipspremain.c against its detached signature...
  95         ${FINGERTYPE} "${PREMAIN_C}" | sed "s/(.*\//(/" | \
  96                 diff -w "${PREMAIN_C}.sha1" - || \
  97         { echo "${PREMAIN_C} fingerprint mismatch"; exit 1; }
  98         # Special case: if FIPSLD_LIBFIPS is asserted we are building
  99         # libfips shared library and fipscanister.o is already present
 100         # in libfips.a
 101         if [ -n "$FIPSLD_LIBFIPS" ] ; then
 102                 ${CC}  "${PREMAIN_C}" \
 103                         ${_WL_PREMAIN} "$@"
 104         else
 105
 106                 # verify fipscanister.o against its detached signature...
 107                 ${FINGERTYPE} "${CANISTER_O}" | sed "s/(.*\//(/" | \
 108                         diff -w "${CANISTER_O}.sha1" - || \
 109                 { echo "${CANISTER_O} fingerprint mismatch"; exit 1; }
 110
 111                 # Temporarily remove fipscanister.o from library!
 112                 # We are required to use the standalone copy...
 113                 trap    'ar r "${THERE}/$FIPSCANLIB.a" "${CANISTER_O}";
 114                          (ranlib "${THERE}/$FIPSCANLIB.a") 2>/dev/null;
 115                          sleep 1;
 116                          touch -c "${TARGET}"' 0
 117
 118                 ar d "${THERE}/$FIPSCANLIB.a" fipscanister.o 2>&1 > /dev/null || :
 119                 (ranlib "${THERE}/$FIPSCANLIB.a") 2>/dev/null || :
 120
 121                 ${CC}   "${CANISTER_O}" \
 122                         "${PREMAIN_C}" \
 123                         ${_WL_PREMAIN} "$@"
 124         fi
 125
 126         # generate signature...
 127         SIG=`("${THERE}/fips-1.0/fips_premain_dso" "${TARGET}" || rm "${TARGET}")`
 128         if [ -z "${SIG}" ]; then
 129            echo "unable to collect signature"; exit 1
 130         fi
 131
 132         if [ -n "$FIPSLD_LIBFIPS" ] ; then
 133                 ${CC}  -DHMAC_SHA1_SIG=\"${SIG}\" "${PREMAIN_C}" \
 134                         ${_WL_PREMAIN} "$@"
 135         else
 136
 137                 # recompile with signature...
 138                 ${CC}   "${CANISTER_O}" \
 139                         -DHMAC_SHA1_SIG=\"${SIG}\" "${PREMAIN_C}" \
 140                         ${_WL_PREMAIN} "$@"
 141         fi
 142         ;;
 143
 144 *)      # must be linking statically...
 145         # Static linking can be taking place either in the source
 146         # directory or off the installed binary target destination.
 147         if [ -x "${THERE}/fips-1.0/sha/fips_standalone_sha1" ]; then
 148                 FINGERTYPE="${THERE}/fips-1.0/sha/fips_standalone_sha1"
 149         else    # Installed tree is expected to contain
 150                 # lib/fipscanister.o, lib/fipscanister.o.sha1 and
 151                 # lib/fips_premain.c [not to mention bin/openssl].
 152                 FINGERTYPE="${THERE}/bin/openssl sha1 -hmac ${HMAC_KEY}"
 153         fi
 154
 155         CANISTER_O="${FIPSLIBDIR}/fipscanister.o"
 156         PREMAIN_C="${FIPSLIBDIR}/fips_premain.c"
 157
 158         # verify fipscanister.o against its detached signature...
 159         ${FINGERTYPE} "${CANISTER_O}" | sed "s/(.*\//(/" | \
 160                 diff -w "${CANISTER_O}.sha1" - || \
 161         { echo "${CANISTER_O} fingerprint mismatch"; exit 1; }
 162
 163         # verify fips_premain.c against its detached signature...
 164 #       ${FINGERTYPE} "${PREMAIN_C}" | sed "s/(.*\//(/" | \
 165 #               diff -w "${PREMAIN_C}.sha1" - || \
 166 #       { echo "${PREMAIN_C} fingerprint mismatch"; exit 1; }
 167
 168         ${CC}   "${CANISTER_O}" \
 169                 "${PREMAIN_C}" \
 170                 ${_WL_PREMAIN} "$@"
 171
 172         # generate signature...
 173         SIG=`("${TARGET}" || /bin/rm "${TARGET}")`
 174         if [ -z "${SIG}" ]; then
 175            echo "unable to collect signature"; exit 1
 176         fi
 177
 178         # recompile with signature...
 179         ${CC}   "${CANISTER_O}" \
 180                 -DHMAC_SHA1_SIG=\"${SIG}\" "${PREMAIN_C}" \
 181                 ${_WL_PREMAIN} "$@"
 182         ;;
 183 esac