From cdfe1392899d2aca4517e8f4b383a0422d878c1d Mon Sep 17 00:00:00 2001 From: Stelian Pop Date: Tue, 8 Apr 2003 19:52:30 +0000 Subject: [PATCH] Encrypting rmt --- CHANGES | 7 +- configure | 1252 ++++++++++++++++++++++----------- configure.in | 27 + examples/encrypted_rmt/README | 77 ++ rmt/Makefile.in | 11 +- rmt/cipher.c | 131 ++++ rmt/rmt.c | 30 +- 7 files changed, 1101 insertions(+), 434 deletions(-) create mode 100644 examples/encrypted_rmt/README create mode 100644 rmt/cipher.c diff --git a/CHANGES b/CHANGES index 1735a9f..69614b8 100644 --- a/CHANGES +++ b/CHANGES @@ -1,4 +1,4 @@ -$Id: CHANGES,v 1.224 2003/03/31 10:09:37 stelian Exp $ +$Id: CHANGES,v 1.225 2003/04/08 19:52:30 stelian Exp $ Changes between versions 0.4b33 and 0.4b34 (released ?????????????????) ======================================================================= @@ -79,6 +79,11 @@ Changes between versions 0.4b33 and 0.4b34 (released ?????????????????) 17. Some small buffer overruns fixes in rmt. Thanks to Antonomasia for reporting the bugs. +18. Added a special rmt version which can do encryption when writing + to tape. Read examples/encrypted_rmt/README for details on + how to enable and configure it. Thanks to Ken Lalonde + for the patch. + Changes between versions 0.4b32 and 0.4b33 (released February 10, 2003) ======================================================================= diff --git a/configure b/configure index 44d223e..b1f6a3c 100755 --- a/configure +++ b/configure @@ -1,19 +1,11 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.53. +# Generated by GNU Autoconf 2.57. # # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002 # Free Software Foundation, Inc. # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. - -if expr a : '\(a\)' >/dev/null 2>&1; then - as_expr=expr -else - as_expr=false -fi - - ## --------------------- ## ## M4sh Initialization. ## ## --------------------- ## @@ -22,11 +14,13 @@ fi if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then set -o posix fi -# NLS nuisances. # Support unset when possible. if (FOO=FOO; unset FOO) >/dev/null 2>&1; then as_unset=unset @@ -34,34 +28,42 @@ else as_unset=false fi -(set +x; test -n "`(LANG=C; export LANG) 2>&1`") && - { $as_unset LANG || test "${LANG+set}" != set; } || - { LANG=C; export LANG; } -(set +x; test -n "`(LC_ALL=C; export LC_ALL) 2>&1`") && - { $as_unset LC_ALL || test "${LC_ALL+set}" != set; } || - { LC_ALL=C; export LC_ALL; } -(set +x; test -n "`(LC_TIME=C; export LC_TIME) 2>&1`") && - { $as_unset LC_TIME || test "${LC_TIME+set}" != set; } || - { LC_TIME=C; export LC_TIME; } -(set +x; test -n "`(LC_CTYPE=C; export LC_CTYPE) 2>&1`") && - { $as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set; } || - { LC_CTYPE=C; export LC_CTYPE; } -(set +x; test -n "`(LANGUAGE=C; export LANGUAGE) 2>&1`") && - { $as_unset LANGUAGE || test "${LANGUAGE+set}" != set; } || - { LANGUAGE=C; export LANGUAGE; } -(set +x; test -n "`(LC_COLLATE=C; export LC_COLLATE) 2>&1`") && - { $as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set; } || - { LC_COLLATE=C; export LC_COLLATE; } -(set +x; test -n "`(LC_NUMERIC=C; export LC_NUMERIC) 2>&1`") && - { $as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set; } || - { LC_NUMERIC=C; export LC_NUMERIC; } -(set +x; test -n "`(LC_MESSAGES=C; export LC_MESSAGES) 2>&1`") && - { $as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set; } || - { LC_MESSAGES=C; export LC_MESSAGES; } + +# Work around bugs in pre-3.0 UWIN ksh. +$as_unset ENV MAIL MAILPATH +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +for as_var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then + eval $as_var=C; export $as_var + else + $as_unset $as_var + fi +done + +# Required to use basename. +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi # Name of the executable. -as_me=`(basename "$0") 2>/dev/null || +as_me=`$as_basename "$0" || $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ X"$0" : 'X\(//\)$' \| \ X"$0" : 'X\(/\)$' \| \ @@ -72,6 +74,7 @@ echo X/"$0" | /^X\/\(\/\).*/{ s//\1/; q; } s/.*/./; q'` + # PATH needs CR, and LINENO needs CR and PATH. # Avoid depending upon Character Ranges. as_cr_letters='abcdefghijklmnopqrstuvwxyz' @@ -82,15 +85,15 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits # The user is always right. if test "${PATH_SEPARATOR+set}" != set; then - echo "#! /bin/sh" >conftest.sh - echo "exit 0" >>conftest.sh - chmod +x conftest.sh - if (PATH=".;."; conftest.sh) >/dev/null 2>&1; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then PATH_SEPARATOR=';' else PATH_SEPARATOR=: fi - rm -f conftest.sh + rm -f conf$$.sh fi @@ -138,6 +141,8 @@ do as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` test "x$as_lineno_1" != "x$as_lineno_2" && test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then + $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; } + $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; } CONFIG_SHELL=$as_dir/$as_base export CONFIG_SHELL exec "$CONFIG_SHELL" "$0" ${1+"$@"} @@ -210,6 +215,12 @@ else fi rm -f conf$$ conf$$.exe conf$$.file +if mkdir -p . 2>/dev/null; then + as_mkdir_p=: +else + as_mkdir_p=false +fi + as_executable_p="test -f" # Sed expression to map a string onto a valid CPP name. @@ -226,7 +237,7 @@ as_nl=' IFS=" $as_nl" # CDPATH. -$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=$PATH_SEPARATOR; export CDPATH; } +$as_unset CDPATH # Name of the host. @@ -240,6 +251,7 @@ exec 6>&1 # Initializations. # ac_default_prefix=/usr/local +ac_config_libobj_dir=. cross_compiling=no subdirs= MFLAGS= @@ -296,6 +308,8 @@ ac_includes_default="\ # include #endif" +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS SET_MAKE LN_S CP MV RM AR ac_ct_AR RANLIB ac_ct_RANLIB PATCH ac_ct_PATCH CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA DUMPDEBUG RESTOREDEBUG STATIC RMTDIR ERMT CRYPTO OPTDEFS READLINE LD CCOPTS LDOPTS BINOWNER BINGRP BINMODE MANOWNER MANGRP MANMODE DUMPDATESPATH CPP ZLIB BZLIB EGREP top_builddir LIBOBJS LTLIBOBJS' +ac_subst_files='MCONFIG' # Initialize some variables set by options. ac_init_help= @@ -719,6 +733,9 @@ if test ! -r $srcdir/$ac_unique_file; then { (exit 1); exit 1; }; } fi fi +(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null || + { echo "$as_me: error: sources are in $srcdir, but \`cd $srcdir' does not work" >&2 + { (exit 1); exit 1; }; } srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'` ac_env_build_alias_set=${build_alias+set} ac_env_build_alias_value=$build_alias @@ -825,6 +842,7 @@ Optional Features: --enable-debug include debugging code (default is NO) --enable-static link dump and restore statically (default is NO) --enable-rmt compile and install rmt (default is YES) + --enable-ermt compile ermt, an encrypting version of rmt (default is NO) --enable-kerberos compile kerberos extensions (default is NO) --enable-readline enable readline support in restore (default is YES) --enable-oldstylefscript enable old style F script (no arguments) (default is NO) @@ -895,7 +913,7 @@ esac # Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be # absolute. ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd` -ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd` +ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd` ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd` ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd` @@ -935,7 +953,7 @@ This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. It was created by $as_me, which was -generated by GNU Autoconf 2.53. Invocation command line was +generated by GNU Autoconf 2.57. Invocation command line was $ $0 $@ @@ -987,27 +1005,54 @@ _ACEOF # Keep a trace of the command line. # Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. # Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. ac_configure_args= +ac_configure_args0= +ac_configure_args1= ac_sep= -for ac_arg +ac_must_keep_next=false +for ac_pass in 1 2 do - case $ac_arg in - -no-create | --no-create | --no-creat | --no-crea | --no-cre \ - | --no-cr | --no-c | -n ) continue ;; - -no-recursion | --no-recursion | --no-recursio | --no-recursi \ - | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) - continue ;; - *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*) - ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; - esac - case " $ac_configure_args " in - *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. - *) ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'" - ac_sep=" " ;; - esac - # Get rid of the leading space. + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*) + ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;; + 2) + ac_configure_args1="$ac_configure_args1 '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'" + # Get rid of the leading space. + ac_sep=" " + ;; + esac + done done +$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; } +$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; } # When interrupted or exit'd, cleanup temporary files, and complete # config.log. We remove comments because anyway the quotes in there @@ -1018,6 +1063,7 @@ trap 'exit_status=$? # Save into config.log some information that might help in debugging. { echo + cat <<\_ASBOX ## ---------------- ## ## Cache variables. ## @@ -1040,6 +1086,35 @@ _ASBOX esac; } echo + + cat <<\_ASBOX +## ----------------- ## +## Output variables. ## +## ----------------- ## +_ASBOX + echo + for ac_var in $ac_subst_vars + do + eval ac_val=$`echo $ac_var` + echo "$ac_var='"'"'$ac_val'"'"'" + done | sort + echo + + if test -n "$ac_subst_files"; then + cat <<\_ASBOX +## ------------- ## +## Output files. ## +## ------------- ## +_ASBOX + echo + for ac_var in $ac_subst_files + do + eval ac_val=$`echo $ac_var` + echo "$ac_var='"'"'$ac_val'"'"'" + done | sort + echo + fi + if test -s confdefs.h; then cat <<\_ASBOX ## ----------- ## @@ -1047,7 +1122,7 @@ _ASBOX ## ----------- ## _ASBOX echo - sed "/^$/d" confdefs.h + sed "/^$/d" confdefs.h | sort echo fi test "$ac_signal" != 0 && @@ -1205,21 +1280,22 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu + MCONFIG=./MCONFIG -ac_config_headers="$ac_config_headers config.h" + ac_config_headers="$ac_config_headers config.h" -echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \${MAKE}" >&5 -echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6 +echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'` if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.make <<\_ACEOF all: - @echo 'ac_maketemp="${MAKE}"' + @echo 'ac_maketemp="$(MAKE)"' _ACEOF # GNU make sometimes prints "make[1]: Entering...", which would confuse us. eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=` @@ -1815,9 +1891,7 @@ if test $ac_prog_rejected = yes; then # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift - set dummy "$as_dir/$ac_word" ${1+"$@"} - shift - ac_cv_prog_CC="$@" + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" fi fi fi @@ -1922,8 +1996,10 @@ fi fi -test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH" >&5 -echo "$as_me: error: no acceptable C compiler found in \$PATH" >&2;} +test -z "$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. @@ -1948,14 +2024,12 @@ ac_compiler=`set X $ac_compile; echo $2` cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -1965,7 +2039,7 @@ main () } _ACEOF ac_clean_files_save=$ac_clean_files -ac_clean_files="$ac_clean_files a.out a.exe" +ac_clean_files="$ac_clean_files a.out a.exe b.out" # Try to create an executable without -o first, disregard a.out. # It will help us diagnose broken compilers, and finding out an intuition # of exeext. @@ -1984,26 +2058,39 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 # Be careful to initialize this variable, since it used to be cached. # Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. ac_cv_exeext= -for ac_file in `ls a_out.exe a.exe conftest.exe 2>/dev/null; - ls a.out conftest 2>/dev/null; - ls a.* conftest.* 2>/dev/null`; do +# b.out is created by i960 compilers. +for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out +do + test -f "$ac_file" || continue case $ac_file in - *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb | *.xSYM ) ;; - a.out ) # We found the default executable, but exeext='' is most - # certainly right. - break;; - *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` - # FIXME: I believe we export ac_cv_exeext for Libtool --akim. - export ac_cv_exeext - break;; - * ) break;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) + ;; + conftest.$ac_ext ) + # This is the source file. + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + # FIXME: I believe we export ac_cv_exeext for Libtool, + # but it would be cool to find out if it's true. Does anybody + # maintain Libtool? --akim. + export ac_cv_exeext + break;; + * ) + break;; esac done else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 -{ { echo "$as_me:$LINENO: error: C compiler cannot create executables" >&5 -echo "$as_me: error: C compiler cannot create executables" >&2;} +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} { (exit 77); exit 77; }; } fi @@ -2030,9 +2117,11 @@ if test "$cross_compiling" != yes; then cross_compiling=yes else { { echo "$as_me:$LINENO: error: cannot run C compiled programs. -If you meant to cross compile, use \`--host'." >&5 +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 echo "$as_me: error: cannot run C compiled programs. -If you meant to cross compile, use \`--host'." >&2;} +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi fi @@ -2040,7 +2129,7 @@ fi echo "$as_me:$LINENO: result: yes" >&5 echo "${ECHO_T}yes" >&6 -rm -f a.out a.exe conftest$ac_cv_exeext +rm -f a.out a.exe conftest$ac_cv_exeext b.out ac_clean_files=$ac_clean_files_save # Check the compiler produces executables we can run. If not, either # the compiler is broken, or we cross compile. @@ -2060,9 +2149,10 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 # catch `conftest.exe'. For instance with Cygwin, `ls conftest' will # work properly (i.e., refer to `conftest.exe'), while it won't with # `rm'. -for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue case $ac_file in - *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` export ac_cv_exeext break;; @@ -2070,8 +2160,10 @@ for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do esac done else - { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link" >&5 -echo "$as_me: error: cannot compute suffix of executables: cannot compile and link" >&2;} + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi @@ -2089,14 +2181,12 @@ if test "${ac_cv_objext+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -2113,16 +2203,19 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (exit $ac_status); }; then for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do case $ac_file in - *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;; + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;; *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` break;; esac done else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 -{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile" >&5 -echo "$as_me: error: cannot compute suffix of object files: cannot compile" >&2;} +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi @@ -2139,14 +2232,12 @@ if test "${ac_cv_c_compiler_gnu+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -2173,7 +2264,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_compiler_gnu=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_compiler_gnu=no fi rm -f conftest.$ac_objext conftest.$ac_ext @@ -2193,14 +2285,12 @@ if test "${ac_cv_prog_cc_g+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -2224,7 +2314,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_cv_prog_cc_g=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_prog_cc_g=no fi rm -f conftest.$ac_objext conftest.$ac_ext @@ -2246,6 +2337,102 @@ else CFLAGS= fi fi +echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5 +echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_stdc=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +#line $LINENO "configure" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + 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 $ac_status); }; }; then + ac_cv_prog_cc_stdc=$ac_arg +break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.$ac_objext +done +rm -f conftest.$ac_ext conftest.$ac_objext +CC=$ac_save_CC + +fi + +case "x$ac_cv_prog_cc_stdc" in + x|xno) + echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6 ;; + *) + echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 + CC="$CC $ac_cv_prog_cc_stdc" ;; +esac + # Some people use a C++ compiler to compile C. Since we use `exit', # in C++ we need to declare it. In case someone uses the same compiler # for both compiling C and C++ we need to have the C++ compiler decide @@ -2278,15 +2465,13 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 do cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ #include $ac_declaration -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -2310,20 +2495,19 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 : else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + continue fi rm -f conftest.$ac_objext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ $ac_declaration -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -2347,7 +2531,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 break else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + fi rm -f conftest.$ac_objext conftest.$ac_ext done @@ -2360,7 +2545,8 @@ fi else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + fi rm -f conftest.$ac_objext conftest.$ac_ext ac_ext=c @@ -2535,6 +2721,35 @@ echo "Compiling rmt by default" fi; +# Check whether --enable-ermt or --disable-ermt was given. +if test "${enable_ermt+set}" = set; then + enableval="$enable_ermt" + if test "$enableval" = "no" +then + ERMT="" + CRYPTO="" + echo "Not compiling ermt" +else + if test "$RMTDIR" = "" + then + { { echo "$as_me:$LINENO: error: ermt requires --enable-rmt" >&5 +echo "$as_me: error: ermt requires --enable-rmt" >&2;} + { (exit 1); exit 1; }; } + fi + ERMT="ermt" + CRYPTO="-lcrypto" + echo "Compiling ermt" +fi + +else + ERMT="" +CRYPTO="" +echo "Not compiling ermt by default" + +fi; + + + # Check whether --enable-kerberos or --disable-kerberos was given. if test "${enable_kerberos+set}" = set; then enableval="$enable_kerberos" @@ -2832,18 +3047,28 @@ for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" -#include +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -2860,7 +3085,8 @@ if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + # Broken: fails on valid input. continue fi @@ -2870,13 +3096,17 @@ rm -f conftest.err conftest.$ac_ext # can be detected and how. cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -2894,7 +3124,8 @@ if test -z "$ac_cpp_err"; then continue else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + # Passes both tests. ac_preproc_ok=: break @@ -2923,18 +3154,28 @@ for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" -#include +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -2951,7 +3192,8 @@ if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + # Broken: fails on valid input. continue fi @@ -2961,13 +3203,17 @@ rm -f conftest.err conftest.$ac_ext # can be detected and how. cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -2985,7 +3231,8 @@ if test -z "$ac_cpp_err"; then continue else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + # Passes both tests. ac_preproc_ok=: break @@ -2998,8 +3245,10 @@ rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else - { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check" >&5 -echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;} + { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&5 +echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi @@ -3017,13 +3266,17 @@ if test "${ac_cv_header_ext2fs_ext2fs_h+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -3040,7 +3293,8 @@ if test -z "$ac_cpp_err"; then ac_cv_header_ext2fs_ext2fs_h=yes else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_header_ext2fs_ext2fs_h=no fi rm -f conftest.err conftest.$ac_ext @@ -3063,7 +3317,11 @@ else LIBS="-lext2fs -lcom_err $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3072,12 +3330,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char ext2fs_open (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3101,7 +3353,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_ext2fs_ext2fs_open=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_ext2fs_ext2fs_open=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3132,13 +3385,17 @@ if eval "test \"\${$as_ac_Header+set}\" = set"; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -3155,7 +3412,8 @@ if test -z "$ac_cpp_err"; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + eval "$as_ac_Header=no" fi rm -f conftest.err conftest.$ac_ext @@ -3176,7 +3434,11 @@ echo "$as_me:$LINENO: checking for ext2_ino_t type in libext2fs headers" >&5 echo $ECHO_N "checking for ext2_ino_t type in libext2fs headers... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ #include #ifdef HAVE_EXT2FS_EXT2_FS_H #include @@ -3184,12 +3446,6 @@ cat >conftest.$ac_ext <<_ACEOF #include #endif #include -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3217,7 +3473,8 @@ _ACEOF echo "${ECHO_T}yes" >&6 else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi @@ -3227,7 +3484,11 @@ echo "$as_me:$LINENO: checking for s_journal_inum field in ext2_super_block stru echo $ECHO_N "checking for s_journal_inum field in ext2_super_block struct... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ #include #ifdef HAVE_EXT2FS_EXT2_FS_H #include @@ -3235,12 +3496,6 @@ cat >conftest.$ac_ext <<_ACEOF #include #endif #include -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3268,7 +3523,8 @@ _ACEOF echo "${ECHO_T}yes" >&6 else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi @@ -3283,7 +3539,11 @@ else LIBS="-ltermcap $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3292,12 +3552,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char tgetent (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3321,7 +3575,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_termcap_tgetent=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_termcap_tgetent=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3350,13 +3605,17 @@ if test "${ac_cv_header_readline_readline_h+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -3373,7 +3632,8 @@ if test -z "$ac_cpp_err"; then ac_cv_header_readline_readline_h=yes else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_header_readline_readline_h=no fi rm -f conftest.err conftest.$ac_ext @@ -3396,7 +3656,11 @@ else LIBS="-lreadline "-ltermcap" $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3405,12 +3669,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char readline (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3434,7 +3692,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_readline_readline=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_readline_readline=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3465,7 +3724,11 @@ else LIBS="-lreadline "-ltermcap" $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3474,12 +3737,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char rl_completion_matches (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3503,7 +3760,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_readline_rl_completion_matches=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_readline_rl_completion_matches=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3533,7 +3791,11 @@ else LIBS="-lreadline "-ltermcap" $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3542,12 +3804,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char rl_completion_append_character (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3571,7 +3827,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_readline_rl_completion_append_character=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_readline_rl_completion_append_character=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3599,13 +3856,17 @@ if test "${ac_cv_header_zlib_h+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -3622,7 +3883,8 @@ if test -z "$ac_cpp_err"; then ac_cv_header_zlib_h=yes else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_header_zlib_h=no fi rm -f conftest.err conftest.$ac_ext @@ -3645,7 +3907,11 @@ else LIBS="-lz $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3654,12 +3920,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char compress2 (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3683,7 +3943,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_z_compress2=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_z_compress2=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3715,13 +3976,17 @@ if test "${ac_cv_header_bzlib_h+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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=$? - egrep -v '^ *\+' conftest.er1 >conftest.err + grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 @@ -3738,7 +4003,8 @@ if test -z "$ac_cpp_err"; then ac_cv_header_bzlib_h=yes else echo "$as_me: failed program was:" >&5 - cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_header_bzlib_h=no fi rm -f conftest.err conftest.$ac_ext @@ -3761,7 +4027,11 @@ else LIBS="-lbz2 $LIBS" cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus @@ -3770,12 +4040,6 @@ extern "C" /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char BZ2_bzBuffToBuffCompress (); -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -3799,7 +4063,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_lib_bz2_BZ2_bzBuffToBuffCompress=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_lib_bz2_BZ2_bzBuffToBuffCompress=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3844,37 +4109,44 @@ if eval "test \"\${$as_ac_var+set}\" = set"; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $ac_func (); below. */ -#include + which can conflict with char $ac_func (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ +#ifdef __STDC__ +# include +#else +# include +#endif /* 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 $ac_func (); -char (*f) (); - -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif -int -main () -{ /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined (__stub_$ac_func) || defined (__stub___$ac_func) choke me #else -f = $ac_func; +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} #endif +int +main () +{ +return f != $ac_func; ; return 0; } @@ -3894,7 +4166,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 eval "$as_ac_var=yes" else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + eval "$as_ac_var=no" fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3916,37 +4189,44 @@ if test "${ac_cv_func_glob+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ /* System header to define __stub macros and hopefully few prototypes, - which can conflict with char glob (); below. */ -#include + which can conflict with char glob (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ +#ifdef __STDC__ +# include +#else +# include +#endif /* Override any gcc2 internal prototype to avoid an error. */ #ifdef __cplusplus extern "C" +{ #endif /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char glob (); -char (*f) (); - -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif -int -main () -{ /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined (__stub_glob) || defined (__stub___glob) choke me #else -f = glob; +char (*f) () = glob; +#endif +#ifdef __cplusplus +} #endif +int +main () +{ +return f != glob; ; return 0; } @@ -3966,7 +4246,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_cv_func_glob=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_func_glob=no fi rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext @@ -3978,9 +4259,28 @@ echo "${ECHO_T}$ac_cv_func_glob" >&6 echo "$as_me:$LINENO: checking for extended glob routines" >&5 echo $ECHO_N "checking for extended glob routines... $ECHO_C" >&6 if test "$ac_cv_func_glob" = "yes"; then - cat >conftest.$ac_ext <<_ACEOF + echo "$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 + + +cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ # include # ifdef GLOB_ALTDIRFUNC @@ -3989,7 +4289,7 @@ if test "$ac_cv_func_glob" = "yes"; then _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - egrep "yes" >/dev/null 2>&1; then + $EGREP "yes" >/dev/null 2>&1; then cat >>confdefs.h <<\_ACEOF #define HAVE_GLOB 1 @@ -4016,48 +4316,59 @@ if test "${ac_cv_header_stdc+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ #include #include #include #include +int +main () +{ + + ; + return 0; +} _ACEOF -if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 - (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 ac_status=$? - egrep -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 - else - ac_cpp_err= - fi -else - ac_cpp_err=yes -fi -if test -z "$ac_cpp_err"; then + (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 - cat conftest.$ac_ext >&5 - ac_cv_header_stdc=no +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_header_stdc=no fi -rm -f conftest.err conftest.$ac_ext +rm -f conftest.$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 #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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 + $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no @@ -4070,12 +4381,16 @@ 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 #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$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 + $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no @@ -4091,13 +4406,18 @@ if test $ac_cv_header_stdc = yes; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else -# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \ +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) @@ -4130,11 +4450,12 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ( exit $ac_status ) ac_cv_header_stdc=no fi -rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi @@ -4169,7 +4490,11 @@ if eval "test \"\${$as_ac_Header+set}\" = set"; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ $ac_includes_default #include <$ac_header> @@ -4189,7 +4514,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + eval "$as_ac_Header=no" fi rm -f conftest.$ac_objext conftest.$ac_ext @@ -4213,14 +4539,12 @@ if test "${ac_cv_type_quad_t+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ $ac_includes_default -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -4247,7 +4571,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_cv_type_quad_t=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_type_quad_t=no fi rm -f conftest.$ac_objext conftest.$ac_ext @@ -4271,14 +4596,12 @@ if test "${ac_cv_type_u_quad_t+set}" = set; then else cat >conftest.$ac_ext <<_ACEOF #line $LINENO "configure" -#include "confdefs.h" +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ $ac_includes_default -#ifdef F77_DUMMY_MAIN -# ifdef __cplusplus - extern "C" -# endif - int F77_DUMMY_MAIN() { return 1; } -#endif int main () { @@ -4305,7 +4628,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_cv_type_u_quad_t=yes else echo "$as_me: failed program was:" >&5 -cat conftest.$ac_ext >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + ac_cv_type_u_quad_t=no fi rm -f conftest.$ac_objext conftest.$ac_ext @@ -4329,7 +4653,7 @@ top_builddir=`cd .; pwd` test -d compat || mkdir compat test -d compat/lib || mkdir compat/lib -ac_config_files="$ac_config_files MCONFIG Makefile common/Makefile compat/include/Makefile compat/lib/Makefile dump/Makefile restore/Makefile $RMTMAKEFILE" + ac_config_files="$ac_config_files MCONFIG Makefile common/Makefile compat/include/Makefile compat/lib/Makefile dump/Makefile restore/Makefile $RMTMAKEFILE" cat >confcache <<\_ACEOF # This file is a shell script that caches the results of configure # tests run on this system so they can be shared between configure @@ -4340,7 +4664,7 @@ cat >confcache <<\_ACEOF # config.status only pays attention to the cache file if you give it # the --recheck option to rerun configure. # -# `ac_cv_env_foo' variables (set or unset) will be overriden when +# `ac_cv_env_foo' variables (set or unset) will be overridden when # loading this file, other *unset* `ac_cv_foo' will be assigned the # following values. @@ -4375,7 +4699,7 @@ _ACEOF t end /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ : end' >>confcache -if cmp -s $cache_file confcache; then :; else +if diff $cache_file confcache >/dev/null 2>&1; then :; else if test -w $cache_file; then test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" cat confcache >$cache_file @@ -4406,6 +4730,21 @@ fi DEFS=-DHAVE_CONFIG_H +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_i=`echo "$ac_i" | + sed 's/\$U\././;s/\.o$//;s/\.obj$//'` + # 2. Add them. + ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + : ${CONFIG_STATUS=./config.status} ac_clean_files_save=$ac_clean_files @@ -4420,11 +4759,12 @@ cat >$CONFIG_STATUS <<_ACEOF # configure, is in config.log if it exists. debug=false +ac_cs_recheck=false +ac_cs_silent=false SHELL=\${CONFIG_SHELL-$SHELL} _ACEOF cat >>$CONFIG_STATUS <<\_ACEOF - ## --------------------- ## ## M4sh Initialization. ## ## --------------------- ## @@ -4433,11 +4773,13 @@ cat >>$CONFIG_STATUS <<\_ACEOF if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then set -o posix fi -# NLS nuisances. # Support unset when possible. if (FOO=FOO; unset FOO) >/dev/null 2>&1; then as_unset=unset @@ -4445,34 +4787,42 @@ else as_unset=false fi -(set +x; test -n "`(LANG=C; export LANG) 2>&1`") && - { $as_unset LANG || test "${LANG+set}" != set; } || - { LANG=C; export LANG; } -(set +x; test -n "`(LC_ALL=C; export LC_ALL) 2>&1`") && - { $as_unset LC_ALL || test "${LC_ALL+set}" != set; } || - { LC_ALL=C; export LC_ALL; } -(set +x; test -n "`(LC_TIME=C; export LC_TIME) 2>&1`") && - { $as_unset LC_TIME || test "${LC_TIME+set}" != set; } || - { LC_TIME=C; export LC_TIME; } -(set +x; test -n "`(LC_CTYPE=C; export LC_CTYPE) 2>&1`") && - { $as_unset LC_CTYPE || test "${LC_CTYPE+set}" != set; } || - { LC_CTYPE=C; export LC_CTYPE; } -(set +x; test -n "`(LANGUAGE=C; export LANGUAGE) 2>&1`") && - { $as_unset LANGUAGE || test "${LANGUAGE+set}" != set; } || - { LANGUAGE=C; export LANGUAGE; } -(set +x; test -n "`(LC_COLLATE=C; export LC_COLLATE) 2>&1`") && - { $as_unset LC_COLLATE || test "${LC_COLLATE+set}" != set; } || - { LC_COLLATE=C; export LC_COLLATE; } -(set +x; test -n "`(LC_NUMERIC=C; export LC_NUMERIC) 2>&1`") && - { $as_unset LC_NUMERIC || test "${LC_NUMERIC+set}" != set; } || - { LC_NUMERIC=C; export LC_NUMERIC; } -(set +x; test -n "`(LC_MESSAGES=C; export LC_MESSAGES) 2>&1`") && - { $as_unset LC_MESSAGES || test "${LC_MESSAGES+set}" != set; } || - { LC_MESSAGES=C; export LC_MESSAGES; } + +# Work around bugs in pre-3.0 UWIN ksh. +$as_unset ENV MAIL MAILPATH +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +for as_var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then + eval $as_var=C; export $as_var + else + $as_unset $as_var + fi +done + +# Required to use basename. +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi # Name of the executable. -as_me=`(basename "$0") 2>/dev/null || +as_me=`$as_basename "$0" || $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ X"$0" : 'X\(//\)$' \| \ X"$0" : 'X\(/\)$' \| \ @@ -4483,6 +4833,7 @@ echo X/"$0" | /^X\/\(\/\).*/{ s//\1/; q; } s/.*/./; q'` + # PATH needs CR, and LINENO needs CR and PATH. # Avoid depending upon Character Ranges. as_cr_letters='abcdefghijklmnopqrstuvwxyz' @@ -4493,15 +4844,15 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits # The user is always right. if test "${PATH_SEPARATOR+set}" != set; then - echo "#! /bin/sh" >conftest.sh - echo "exit 0" >>conftest.sh - chmod +x conftest.sh - if (PATH=".;."; conftest.sh) >/dev/null 2>&1; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then PATH_SEPARATOR=';' else PATH_SEPARATOR=: fi - rm -f conftest.sh + rm -f conf$$.sh fi @@ -4550,6 +4901,8 @@ do as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` test "x$as_lineno_1" != "x$as_lineno_2" && test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then + $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; } + $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; } CONFIG_SHELL=$as_dir/$as_base export CONFIG_SHELL exec "$CONFIG_SHELL" "$0" ${1+"$@"} @@ -4623,6 +4976,12 @@ else fi rm -f conf$$ conf$$.exe conf$$.file +if mkdir -p . 2>/dev/null; then + as_mkdir_p=: +else + as_mkdir_p=false +fi + as_executable_p="test -f" # Sed expression to map a string onto a valid CPP name. @@ -4639,7 +4998,7 @@ as_nl=' IFS=" $as_nl" # CDPATH. -$as_unset CDPATH || test "${CDPATH+set}" != set || { CDPATH=$PATH_SEPARATOR; export CDPATH; } +$as_unset CDPATH exec 6>&1 @@ -4656,7 +5015,7 @@ _ASBOX cat >&5 <<_CSEOF This file was extended by $as_me, which was -generated by GNU Autoconf 2.53. Invocation command line was +generated by GNU Autoconf 2.57. Invocation command line was CONFIG_FILES = $CONFIG_FILES CONFIG_HEADERS = $CONFIG_HEADERS @@ -4696,6 +5055,7 @@ Usage: $0 [OPTIONS] [FILE]... -h, --help print this help, then exit -V, --version print version number, then exit + -q, --quiet do not print progress messages -d, --debug don't remove temporary files --recheck update $as_me by reconfiguring in the same conditions --file=FILE[:TEMPLATE] @@ -4715,7 +5075,7 @@ _ACEOF cat >>$CONFIG_STATUS <<_ACEOF ac_cs_version="\\ config.status -configured by $0, generated by GNU Autoconf 2.53, +configured by $0, generated by GNU Autoconf 2.57, with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\" Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001 @@ -4736,25 +5096,25 @@ do --*=*) ac_option=`expr "x$1" : 'x\([^=]*\)='` ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'` - shift - set dummy "$ac_option" "$ac_optarg" ${1+"$@"} - shift + ac_shift=: + ;; + -*) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift ;; - -*);; *) # This is not an option, so the user has probably given explicit # arguments. + ac_option=$1 ac_need_defaults=false;; esac - case $1 in + case $ac_option in # Handling of the options. _ACEOF -cat >>$CONFIG_STATUS <<_ACEOF - -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) - echo "running $SHELL $0 " $ac_configure_args " --no-create --no-recursion" - exec $SHELL $0 $ac_configure_args --no-create --no-recursion ;; -_ACEOF cat >>$CONFIG_STATUS <<\_ACEOF + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; --version | --vers* | -V ) echo "$ac_cs_version"; exit 0 ;; --he | --h) @@ -4769,13 +5129,16 @@ Try \`$0 --help' for more information." >&2;} --debug | --d* | -d ) debug=: ;; --file | --fil | --fi | --f ) - shift - CONFIG_FILES="$CONFIG_FILES $1" + $ac_shift + CONFIG_FILES="$CONFIG_FILES $ac_optarg" ac_need_defaults=false;; --header | --heade | --head | --hea ) - shift - CONFIG_HEADERS="$CONFIG_HEADERS $1" + $ac_shift + CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg" ac_need_defaults=false;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; # This is an error. -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1 @@ -4790,6 +5153,20 @@ Try \`$0 --help' for more information." >&2;} shift done +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF +if \$ac_cs_recheck; then + echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6 + exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion +fi + _ACEOF @@ -4825,6 +5202,9 @@ if $ac_need_defaults; then test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers fi +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason to put it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. # Create a temporary directory, and hook for its removal unless debugging. $debug || { @@ -4833,17 +5213,17 @@ $debug || } # Create a (secure) tmp directory for tmp files. -: ${TMPDIR=/tmp} + { - tmp=`(umask 077 && mktemp -d -q "$TMPDIR/csXXXXXX") 2>/dev/null` && + tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" } || { - tmp=$TMPDIR/cs$$-$RANDOM + tmp=./confstat$$-$RANDOM (umask 077 && mkdir $tmp) } || { - echo "$me: cannot create a temporary directory in $TMPDIR" >&2 + echo "$me: cannot create a temporary directory in ." >&2 { (exit 1); exit 1; } } @@ -4891,8 +5271,6 @@ s,@ECHO_C@,$ECHO_C,;t t s,@ECHO_N@,$ECHO_N,;t t s,@ECHO_T@,$ECHO_T,;t t s,@LIBS@,$LIBS,;t t -/@MCONFIG@/r $MCONFIG -s,@MCONFIG@,,;t t s,@SET_MAKE@,$SET_MAKE,;t t s,@LN_S@,$LN_S,;t t s,@CP@,$CP,;t t @@ -4918,6 +5296,8 @@ s,@DUMPDEBUG@,$DUMPDEBUG,;t t s,@RESTOREDEBUG@,$RESTOREDEBUG,;t t s,@STATIC@,$STATIC,;t t s,@RMTDIR@,$RMTDIR,;t t +s,@ERMT@,$ERMT,;t t +s,@CRYPTO@,$CRYPTO,;t t s,@OPTDEFS@,$OPTDEFS,;t t s,@READLINE@,$READLINE,;t t s,@LD@,$LD,;t t @@ -4933,7 +5313,12 @@ s,@DUMPDATESPATH@,$DUMPDATESPATH,;t t s,@CPP@,$CPP,;t t s,@ZLIB@,$ZLIB,;t t s,@BZLIB@,$BZLIB,;t t +s,@EGREP@,$EGREP,;t t s,@top_builddir@,$top_builddir,;t t +s,@LIBOBJS@,$LIBOBJS,;t t +s,@LTLIBOBJS@,$LTLIBOBJS,;t t +/@MCONFIG@/r $MCONFIG +s,@MCONFIG@,,;t t CEOF _ACEOF @@ -5004,25 +5389,30 @@ echo X"$ac_file" | /^X\(\/\/\)$/{ s//\1/; q; } /^X\(\/\).*/{ s//\1/; q; } s/.*/./; q'` - { case "$ac_dir" in - [\\/]* | ?:[\\/]* ) as_incr_dir=;; - *) as_incr_dir=.;; -esac -as_dummy="$ac_dir" -for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do - case $as_mkdir_dir in - # Skip DOS drivespec - ?:) as_incr_dir=$as_mkdir_dir ;; - *) - as_incr_dir=$as_incr_dir/$as_mkdir_dir - test -d "$as_incr_dir" || - mkdir "$as_incr_dir" || - { { echo "$as_me:$LINENO: error: cannot create \"$ac_dir\"" >&5 -echo "$as_me: error: cannot create \"$ac_dir\"" >&2;} - { (exit 1); exit 1; }; } - ;; - esac -done; } + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } ac_builddir=. @@ -5052,7 +5442,7 @@ esac # Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be # absolute. ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd` -ac_abs_top_builddir=`cd "$ac_dir" && cd $ac_top_builddir && pwd` +ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd` ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd` ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd` @@ -5242,7 +5632,7 @@ _ACEOF # Break up conftest.defines because some shells have a limit on the size # of here documents, and old seds have small limits too (100 cmds). echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS -echo ' if egrep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS +echo ' if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS echo ' :' >>$CONFIG_STATUS rm -f conftest.tail @@ -5266,7 +5656,7 @@ do mv conftest.tail conftest.defines done rm -f conftest.defines -echo ' fi # egrep' >>$CONFIG_STATUS +echo ' fi # grep' >>$CONFIG_STATUS echo >>$CONFIG_STATUS # Break up conftest.undefs because some shells have a limit on the size @@ -5306,7 +5696,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF cat $tmp/in >>$tmp/config.h rm -f $tmp/in if test x"$ac_file" != x-; then - if cmp -s $ac_file $tmp/config.h 2>/dev/null; then + if diff $ac_file $tmp/config.h >/dev/null 2>&1; then { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 echo "$as_me: $ac_file is unchanged" >&6;} else @@ -5322,25 +5712,30 @@ echo X"$ac_file" | /^X\(\/\/\)$/{ s//\1/; q; } /^X\(\/\).*/{ s//\1/; q; } s/.*/./; q'` - { case "$ac_dir" in - [\\/]* | ?:[\\/]* ) as_incr_dir=;; - *) as_incr_dir=.;; -esac -as_dummy="$ac_dir" -for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do - case $as_mkdir_dir in - # Skip DOS drivespec - ?:) as_incr_dir=$as_mkdir_dir ;; - *) - as_incr_dir=$as_incr_dir/$as_mkdir_dir - test -d "$as_incr_dir" || - mkdir "$as_incr_dir" || - { { echo "$as_me:$LINENO: error: cannot create \"$ac_dir\"" >&5 -echo "$as_me: error: cannot create \"$ac_dir\"" >&2;} - { (exit 1); exit 1; }; } - ;; - esac -done; } + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } rm -f $ac_file mv $tmp/config.h $ac_file @@ -5370,8 +5765,11 @@ ac_clean_files=$ac_clean_files_save # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null - $SHELL $CONFIG_STATUS || ac_cs_success=false + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. diff --git a/configure.in b/configure.in index cf3bbdc..e5d59d9 100644 --- a/configure.in +++ b/configure.in @@ -82,6 +82,33 @@ echo "Compiling rmt by default" ) AC_SUBST(RMTDIR) +dnl +dnl Handle --enable-ermt +dnl +AC_ARG_ENABLE([ermt], +[ --enable-ermt compile ermt, an encrypting version of rmt (default is NO)], +if test "$enableval" = "no" +then + ERMT="" + CRYPTO="" + echo "Not compiling ermt" +else + if test "$RMTDIR" = "" + then + AC_MSG_ERROR(ermt requires --enable-rmt) + fi + ERMT="ermt" + CRYPTO="-lcrypto" + echo "Compiling ermt" +fi +, +ERMT="" +CRYPTO="" +echo "Not compiling ermt by default" +) +AC_SUBST(ERMT) +AC_SUBST(CRYPTO) + dnl dnl Handle --enable-kerberos dnl diff --git a/examples/encrypted_rmt/README b/examples/encrypted_rmt/README new file mode 100644 index 0000000..12a95f5 --- /dev/null +++ b/examples/encrypted_rmt/README @@ -0,0 +1,77 @@ +This is a set of changes to the Linux "rmt" utility +to support transparent encryption. +Data is encrypted before it is written to tape, and decrypted when read. +We use no padding or salt, so the data size doesn't change. +Tools that use rmt for remote tape access (such as dump, restore +and tar) can manipulate encrypted data without modification. + +The symmetric cipher is currently hardwired as Blowfish. + +[...] + +Building ermt: +- Ensure that openssl-0.9.7a or later is installed. +- Configure and build the package, enabling ermt support: + ./configure --enable-ermt + make + This will build an extra binary: rmt/ermt, the encrypting version. + If ermt fails to link because EVP_CIPHER_CTX_set_padding + is undefined, you must upgrade to openssl-0.9.7a or later. + +Run-time setup: +- Create a user for remote tape access, which we will call "dump": + useradd -m dump +- ermt reads the secret key from ".ermt.key". + Generate a random key in ~dump/.ermt.key: + su - dump + openssl rand -out .ermt.key 32 + chmod 400 .ermt.key + Due to the way "openssl enc -kfile $file" reads the key file, + you should ensure that the key contains no \0 or \r or \n characters, + which would prematurely truncate the key length. +- Protect the key: copy to many floppies, "od -x .ermt.key|lpr", etc. +- Set up rsh access from root (or whoever you run dump as) + to dump@localhost: + # still running as user dump here + echo localhost root > .rhosts + chmod 400 .rhosts + Or use ssh if you prefer; details left as an exercise. +- Check that it works: run "rsh localhost -l dump date" as root. +- Copy the ermt binary you built above to ~dump, + and change dump's shell to ~dump/ermt. + +Backup usage: just dump remotely to localhost: + + dump -0u -f dump@localhost:/dev/st0 / + restore -i -f dump@localhost:/dev/st0 + # You can use GNU tar too + +If your device is doing hardware compression, it's best to turn +it off, since encrypted data compresses very poorly. + +Emergency decrypting: if you need to restore a tape and +don't have access to a host running ermt, +you have two choices: +- If you have a copy of the ermt binary, run it with the -d switch + to decrypt stdin to stdout: + dd if=/dev/st0 bs=10k | + (cd ~dump; ./ermt -d) | # assuming ermt is in ~dump + restore -i -f - +- If not, use the OpenSSL "openssl" command, which does the same thing: + dd if=/dev/st0 bs=10k | + openssl enc -d -kfile ~dump/.ermt.key -blowfish -nosalt -nopad | + restore -i -f - + Versions of OpenSSL before 0.9.7a don't understand -nopad, + so they won't work. + +How much does encryption slow down backups? +In my tests, the network hop is the bottleneck: +dumping unencrypted (i.e. standard rmt) to localhost is 38% +slower than dumping directly to tape. +Adding encryption makes no difference, which isn't surprising. + +Change log: + 2003-04-08: added configure --enable-ermt, separate ermt binary + 2003-04-06: Initial release + +-- Ken Lalonde diff --git a/rmt/Makefile.in b/rmt/Makefile.in index 41fac52..a955a62 100644 --- a/rmt/Makefile.in +++ b/rmt/Makefile.in @@ -1,4 +1,4 @@ -# $Id: Makefile.in,v 1.8 2003/01/24 11:01:50 stelian Exp $ +# $Id: Makefile.in,v 1.9 2003/04/08 19:52:36 stelian Exp $ top_srcdir= @top_srcdir@ srcdir= @srcdir@ @@ -16,11 +16,16 @@ SRCS= rmt.c OBJS= rmt.o MAN8= rmt.8 -all:: $(PROG) $(MAN8) +all:: $(PROG) @ERMT@ $(MAN8) $(PROG): $(OBJS) $(DEPLIBS) $(LD) $(CFLAGS) $(LDFLAGS) -o $(PROG) $(OBJS) $(LIBS) +ermt: ermt.o cipher.o $(DEPLIBS) + $(LD) $(CFLAGS) $(LDFLAGS) -o ermt ermt.o cipher.o $(LIBS) @CRYPTO@ +ermt.o: rmt.c + $(CC) -c $(CFLAGS) -DERMT -o ermt.o rmt.c + $(MAN8): rmt.8.in sed -e "s|__DATE__|$(DATE)|g" \ -e "s|__VERSION__|$(VERSION)|g" $< > $@ @@ -31,7 +36,7 @@ install:: all $(INSTALLMAN) $(srcdir)/$(MAN8) $(MANDIR) clean:: - rm -f $(PROG) \#* *.s *.o *.a *~ core rmt.8 + rm -f $(PROG) @ERMT@ \#* *.s *.o *.a *~ core rmt.8 distclean:: clean rm -f Makefile Makefile.old .depend diff --git a/rmt/cipher.c b/rmt/cipher.c new file mode 100644 index 0000000..48da098 --- /dev/null +++ b/rmt/cipher.c @@ -0,0 +1,131 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Encrypt or decrypt buf, returning a pointer to the transformed data, + * or NULL on error. + * The returned data is the same size as the input data, + * which means we must turn off cipher padding, and require that buflen + * be a multiple of the cipher block size (8 for Blowfish). + * To keep things simple, the return value is a malloc'd + * buffer that is overwritten on each call. + * + * Ken Lalonde , 2003 + */ +char * +cipher(char *buf, int buflen, int do_encrypt) +{ + static EVP_CIPHER_CTX ctx; + static char *out = NULL; /* return value, grown as necessary */ + static int outlen = 0; + static int init = 0, which, blocksize; + int n; + + if (!init) { + static const EVP_CIPHER *cipher; + unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; + // Read key from $HOME/.ermt.key + char *keyfile = ".ermt.key"; + unsigned char buf[128]; + FILE *fp; + int i; + + openlog("ermt", LOG_PID, LOG_DAEMON); + // Not needed: OpenSSL_add_all_algorithms(); + // Not needed: ERR_load_crypto_strings(); + cipher = EVP_bf_cbc(); // or: EVP_aes_{128,192,256}_cbc() + // We want the ability to decrypt the output + // using "openssl enc -d -kfile K -nopad -nosalt", which + // means we must read the key file the same way + // openssl does. But be careful: if the key contains + // \0 or \r or \n, the effective size will be reduced. + if ((fp = fopen(keyfile, "r")) == NULL) { + syslog(LOG_ERR, "Can't open key file %s: %m", keyfile); + return NULL; + } + buf[0] = '\0'; + fgets(buf, sizeof buf, fp); + fclose(fp); + i = strlen(buf); + if ((i > 0) && + ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) + buf[--i]='\0'; + if ((i > 0) && + ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) + buf[--i]='\0'; + if (i < 1) { + syslog(LOG_ERR, "zero length key"); + errno = EINVAL; + return NULL; + } + EVP_BytesToKey(cipher, EVP_md5(), NULL, + buf, strlen(buf), 1, key, iv); + EVP_CIPHER_CTX_init(&ctx); + EVP_CipherInit_ex(&ctx, cipher, NULL, key, iv, do_encrypt); + EVP_CIPHER_CTX_set_padding(&ctx, 0); // -nopad + OPENSSL_cleanse(buf, sizeof buf); + OPENSSL_cleanse(key, sizeof key); + OPENSSL_cleanse(iv, sizeof iv); + blocksize = EVP_CIPHER_CTX_block_size(&ctx); + which = do_encrypt; + init = 1; + } + if (which != do_encrypt) { + syslog(LOG_ERR, "Cannot switch modes"); + errno = EINVAL; + return NULL; + } + if ((buflen % blocksize) != 0) { + syslog(LOG_ERR, "Buffer size is not a multiple of cipher block size"); + errno = EINVAL; + return NULL; + } + if (outlen < buflen+blocksize) { + outlen = (buflen+blocksize) * 2; + out = realloc(out, outlen); + } + if (!EVP_CipherUpdate(&ctx, out, &n, buf, buflen)) { + syslog(LOG_ERR, "EVP_CipherUpdate failed"); + errno = EINVAL; + return NULL; + } + if (n != buflen) { + syslog(LOG_ERR, "EVP_CipherUpdate: %d != %d", n, buflen); + errno = EINVAL; + return NULL; + } + // assert(ctx->buf_len == 0); + return out; +} + +/* Decrypt stdin to stdout, and exit */ +int +decrypt() +{ + char buf[8*1024], *cp; + int n; + + while ((n = fread(buf, 1, sizeof buf, stdin)) > 0) { + if ((cp = cipher(buf, n, 0)) == NULL) { + fprintf(stderr, "ermt: Error decoding input; see daemon.err syslog\n"); + exit(1); + } + fwrite(cp, 1, n, stdout); + } + if (ferror(stdin)) { + perror("ermt: stdin: read"); + exit(1); + } + if (fflush(stdout)) { + perror("ermt: stdout: write"); + exit(1); + } + exit(0); +} diff --git a/rmt/rmt.c b/rmt/rmt.c index 3bd6207..6f01bcc 100644 --- a/rmt/rmt.c +++ b/rmt/rmt.c @@ -37,7 +37,7 @@ #ifndef lint static const char rcsid[] = - "$Id: rmt.c,v 1.25 2003/03/31 10:09:41 stelian Exp $"; + "$Id: rmt.c,v 1.26 2003/04/08 19:52:37 stelian Exp $"; #endif /* not linux */ /* @@ -114,6 +114,10 @@ static int rmt_version = 0; char *checkbuf __P((char *, int)); void error __P((int)); void getstring __P((char *)); +#ifdef ERMT +char *cipher __P((char *, int, int)); +void decrypt __P((void)); +#endif int main(int argc, char *argv[]) @@ -122,7 +126,15 @@ main(int argc, char *argv[]) char c; int n, i, cc, oflags; unsigned long block = 0; + char *cp; +#ifdef ERMT + if (argc > 1 && strcmp(argv[1], "-d") == 0) + decrypt(); /* decrypt stdin to stdout, and exit() */ +#endif + /* Skip "-c /etc/rmt", which appears when rmt is used as a shell */ + if (argc > 2 && strcmp(argv[1], "-c") == 0) + argc -= 2, argv += 2; argc--, argv++; if (argc > 0) { debug = fopen(*argv, "w"); @@ -198,7 +210,13 @@ top: exit(2); } } - rval = write(tape, record, n); +#ifdef ERMT + if ((cp = cipher(record, n, 1)) == NULL) + goto ioerror; +#else + cp = record; +#endif + rval = write(tape, cp, n); if (rval < 0) goto ioerror; block += n >> 10; @@ -212,9 +230,15 @@ top: rval = read(tape, record, n); if (rval < 0) goto ioerror; +#ifdef ERMT + if ((cp = cipher(record, rval, 0)) == NULL) + goto ioerror; +#else + cp = record; +#endif (void)sprintf(resp, "A%lld\n", (long long)rval); (void)write(1, resp, strlen(resp)); - (void)write(1, record, rval); + (void)write(1, cp, rval); block += n >> 10; goto top; -- 2.39.5