b73c455908
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20066 ec53bebd-3082-4978-b11e-865c3cabbd6b
147 lines
3.5 KiB
C
147 lines
3.5 KiB
C
/*
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* Copyright (c) 2007 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef RCSID
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RCSID("$Id$");
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#endif
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#include <stdio.h>
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#include <roken.h>
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#include <getarg.h>
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#include "rand.h"
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/*
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*
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*/
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static int version_flag;
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static int help_flag;
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static int len = 1024 * 1024;
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static char *rand_method;
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static struct getargs args[] = {
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{ "length", 0, arg_integer, &len,
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"length", NULL },
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{ "method", 0, arg_string, &rand_method,
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"method", NULL },
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{ "version", 0, arg_flag, &version_flag,
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"print version", NULL },
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{ "help", 0, arg_flag, &help_flag,
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NULL, NULL }
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};
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/*
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*
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*/
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/*
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*
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*/
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static void
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usage (int ret)
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{
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arg_printusage (args,
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sizeof(args)/sizeof(*args),
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NULL,
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"out-random-file");
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exit (ret);
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}
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int
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main(int argc, char **argv)
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{
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int idx = 0;
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char *buffer;
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char path[MAXPATHLEN];
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setprogname(argv[0]);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &idx))
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usage(1);
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if (help_flag)
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usage(0);
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if(version_flag){
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print_version(NULL);
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exit(0);
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}
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argc -= idx;
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argv += idx;
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if (argc < 1)
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usage(1);
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buffer = emalloc(len);
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if (rand_method) {
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if (strcasecmp(rand_method, "fortuna") == 0)
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RAND_set_rand_method(RAND_fortuna_method());
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else if (strcasecmp(rand_method, "unix") == 0)
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RAND_set_rand_method(RAND_unix_method());
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else if (strcasecmp(rand_method, "egd") == 0)
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RAND_set_rand_method(RAND_egd_method());
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else
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errx(1, "unknown method %s", rand_method);
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}
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if (RAND_file_name(path, sizeof(path)) == NULL)
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errx(1, "RAND_file_name failed");
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if (RAND_status() != 1)
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errx(1, "random not ready yet");
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if (RAND_bytes(buffer, len) != 1)
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errx(1, "RAND_bytes");
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rk_dumpdata(argv[0], buffer, len);
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free(buffer);
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if (RAND_write_file("test.file") != 1)
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errx(1, "RAND_write_file");
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if (RAND_load_file("test.file", 1024) != 1)
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errx(1, "RAND_load_file");
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return 0;
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}
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