Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.

6 files changed, 343 insertions, 0 deletions

diff --git a/random128/Makefile.am b/random128/Makefile.am
new file mode 100644
index 0000000..29cfa48
--- /dev/null
+++ b/random128/Makefile.am
@@ -0,0 +1,9 @@
+#
+# Copyright 1998 - 2005 Double Precision, Inc.  See COPYING for
+# distribution information.
+
+
+noinst_LTLIBRARIES=librandom128.la
+
+librandom128_la_SOURCES=random128.c random128.h random128alpha.c \
+	random128binary.c
diff --git a/random128/configure.in b/random128/configure.in
new file mode 100644
index 0000000..0733a27
--- /dev/null
+++ b/random128/configure.in
@@ -0,0 +1,101 @@
+dnl Process this file with autoconf to produce a configure script.
+dnl
+dnl Copyright 1998 - 2002 Double Precision, Inc.  See COPYING for
+dnl distribution information.
+
+AC_INIT(random128, 0.10, [courier-users@lists.sourceforge.net])
+
+>confdefs.h  # Kill PACKAGE_ macros
+
+AC_CONFIG_SRCDIR(random128.c)
+AC_CONFIG_AUX_DIR(../..)
+AM_INIT_AUTOMAKE([foreign no-define])
+LPATH="$PATH:/usr/local/bin"
+
+
+dnl Checks for programs.
+AM_CONFIG_HEADER(config.h)
+AC_USE_SYSTEM_EXTENSIONS
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_CC
+AC_PATH_PROGS(PS, ps, ps, $LPATH)
+AC_PATH_PROGS(W, w, w, $LPATH)
+AC_PROG_LIBTOOL
+
+if test "$PS" = "ps"
+then
+	AC_MSG_ERROR(Cannot find pathname to ps)
+fi
+
+if test x$GXX = xyes
+then
+	CFLAGS="-Wall $CFLAGS"
+fi
+
+CFLAGS="-I.. -I$srcdir/.. $CFLAGS"
+
+dnl Checks for libraries.
+
+dnl Checks for header files.
+AC_HEADER_SYS_WAIT
+AC_CHECK_HEADERS(unistd.h fcntl.h)
+
+AC_TYPE_PID_T
+AC_SYS_LARGEFILE
+
+AC_ARG_WITH(random, [ --with-random=/dev/urandom - location of the system random file generator
+--without-random            - there is no system random file generator ],
+	random="$withval",
+	random="y")
+
+case "$random" in
+/*)
+	;;
+y*|1*)
+	AC_CACHE_CHECK([for random source],random_cv_RANDOM,
+
+		if test -c /dev/urandom
+		then
+			random_cv_RANDOM=/dev/urandom
+		else
+			if test -c /dev/random
+			then
+				random_cv_RANDOM=/dev/random
+			else
+				random_cv_RANDOM="none"
+			fi
+		fi
+	)
+	random="$random_cv_RANDOM"
+	;;
+*)
+	random="none"
+	;;
+esac
+
+if test "$random" != "none"
+then
+	AC_DEFINE_UNQUOTED(RANDOM, "$random", [ Entropy source ])
+fi
+
+AC_CACHE_CHECK([for some good options for ps],random_cv_PS_OPTIONS,
+
+	for opts in -Afl -Afw -Af -Al -afl -afw -af -al Afl Afw Af Al afl afw af al
+	do
+		ps $opts >/dev/null 2>/dev/null || continue
+		break
+	done
+	random_cv_PS_OPTIONS="$opts"
+)
+
+AC_DEFINE_UNQUOTED(PS_OPTIONS,"$random_cv_PS_OPTIONS",
+	[ How to make ps(1) spit out lots of crap ])
+AC_DEFINE_UNQUOTED(PS,"$PS", [ The PS program ])
+
+if test "$W" != "w"
+then
+	AC_DEFINE_UNQUOTED(W, "$w", [ The W program ])
+fi
+
+AC_OUTPUT(Makefile)
diff --git a/random128/random128.c b/random128/random128.c
new file mode 100644
index 0000000..da3b39e
--- /dev/null
+++ b/random128/random128.c
@@ -0,0 +1,125 @@
+/*
+** Copyright 1998 - 2006 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"config.h"
+#endif
+
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+#if	HAVE_FCNTL_H
+#include	<fcntl.h>
+#endif
+#include	<time.h>
+#include	<string.h>
+#include	<errno.h>
+#include	<stdio.h>
+#include	<sys/types.h>
+#include	<sys/wait.h>
+
+#define	MD5_INTERNAL
+#include	"md5/md5.h"
+
+#include	"random128.h"
+
+
+const char *random128()
+{
+static char randombuf[sizeof(MD5_DIGEST)*2+1];
+
+#ifdef	RANDOM
+	{
+	int	fd=open(RANDOM, O_RDONLY);
+	char	buf2[sizeof(MD5_DIGEST)];
+	int	i;
+
+		if (fd >= 0)
+		{
+			if (read(fd, buf2, sizeof(buf2)) == sizeof(buf2))
+			{
+				for (i=0; i<sizeof(buf2); i++)
+					sprintf(randombuf+i*2,
+						"%02X",
+						(int)(unsigned char)buf2[i]);
+				close(fd);
+				return (randombuf);
+			}
+			close(fd);
+		}
+	}
+#endif
+
+	/* /dev/urandom not available or broken?  Create some noise */
+
+	{
+	int pipefd[2];
+	int s;
+	char	buf[512];
+	struct MD5_CONTEXT context;
+	MD5_DIGEST	digest;
+	int	n;
+	time_t	t;
+	pid_t	p, p2;
+	unsigned long l;
+
+		time(&t);
+		p=getpid();
+
+		if (pipe(pipefd))	return (0);
+		while ((p=fork()) == -1)
+		{
+			sleep (5);
+		}
+		if (p == 0)
+		{
+			dup2(pipefd[1], 1);
+			dup2(pipefd[1], 2);
+			close(pipefd[0]);
+			close(pipefd[1]);
+
+#ifdef	W
+			while ((p=fork()) == -1)
+			{
+				sleep (5);
+			}
+			if (p == 0)
+			{
+				execl(W, W, (char *)0);
+				perror(W);
+				_exit(0);
+			}
+			while (wait(&s) >= 0)
+				;
+#endif
+
+			execl(PS, PS, PS_OPTIONS, (char *)0);
+			perror(PS);
+			_exit(0);
+		}
+		close(pipefd[1]);
+		md5_context_init(&context);
+		md5_context_hashstream(&context, &t, sizeof(t));
+		md5_context_hashstream(&context, &p, sizeof(p));
+		l=sizeof(t)+sizeof(p);
+
+		while ((n=read(pipefd[0], buf, sizeof(buf))) > 0)
+		{
+			md5_context_hashstream(&context, buf, n);
+			l += n;
+		}
+		md5_context_endstream(&context, l);
+		md5_context_digest(&context, digest);
+		close(pipefd[0]);
+		while ((p2=wait(&s)) >= 0 && p != p2)
+			;
+
+		for (n=0; n<sizeof(digest); n++)
+			sprintf(randombuf+n*2,
+				"%02X", (int)(unsigned char)digest[n]);
+	}
+
+	return (randombuf);
+}
diff --git a/random128/random128.h b/random128/random128.h
new file mode 100644
index 0000000..6f18a90
--- /dev/null
+++ b/random128/random128.h
@@ -0,0 +1,41 @@
+#ifndef	random128_h
+#define	random128_h
+
+/*
+** Copyright 1998 - 2002 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+	random128 returns 128 random bits from the entropy.  random128
+	returns a pointer to 32 hexadecimal uppercase nibbles, all total
+	being 128 bits.
+*/
+
+const char *random128();
+
+/*
+	random128_alpha does the same thing, except that the return
+	string contains uppercase alphabetic letters only (letters 'A'
+	through 'P').
+*/
+
+const char *random128_alpha();
+
+/*
+** random128_bin(), saves the 128 random bits in 16 bytes.
+*/
+
+typedef unsigned char random128binbuf[16];
+
+void random128_binary(random128binbuf *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif
diff --git a/random128/random128alpha.c b/random128/random128alpha.c
new file mode 100644
index 0000000..282c822
--- /dev/null
+++ b/random128/random128alpha.c
@@ -0,0 +1,29 @@
+/*
+** Copyright 1998 - 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"config.h"
+#endif
+
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+#include	<ctype.h>
+#include	<string.h>
+#include	"random128.h"
+
+
+const char *random128_alpha()
+{
+static char randombuf[ 128 / 8 * 2 + 1];
+char *p;
+
+	strcpy(randombuf, random128());
+
+	for (p=randombuf; *p; p++)
+		if ( isdigit((int)(unsigned char)*p))
+			*p= "GHIJKLMNOP"[ *p - '0' ];
+	return (randombuf);
+}
diff --git a/random128/random128binary.c b/random128/random128binary.c
new file mode 100644
index 0000000..e59218c
--- /dev/null
+++ b/random128/random128binary.c
@@ -0,0 +1,38 @@
+/*
+** Copyright 2002 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"config.h"
+#endif
+
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+#include	<ctype.h>
+#include	<string.h>
+#include	"random128.h"
+
+
+static int nyb(char c)
+{
+	static const char xdigit[]="0123456789ABCDEF";
+
+	const char *p=strchr(xdigit, c);
+
+	if (p)
+		return (p-xdigit);
+	return 0;
+}
+
+void random128_binary(random128binbuf *bytes)
+{
+	char randombuf[ 128 / 8 * 2 + 1];
+	int i;
+
+	strcpy(randombuf, random128());
+
+	for (i=0; i<128/8; i++)
+		(*bytes)[i]=(nyb(randombuf[i*2]) << 4) | nyb(randombuf[i*2+1]);
+}