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/* -*- show-trailing-whitespace: t; indent-tabs: t -*-
* Copyright (c) 2003,2004,2005,2006 David Lichteblau
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <glib.h>
#include <ldap.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/termios.h>
#include <sys/types.h>
#include <unistd.h>
#include "config.h"
#if defined(HAVE_OPENSSL)
#include <openssl/sha.h>
#include <openssl/md5.h>
#elif defined(HAVE_GNUTLS)
#include <gnutls/gnutls.h>
#include <gnutls/openssl.h>
#else
#warning Compiling without cryptographic routines.
#endif
#ifndef HAVE_RAND_PSEUDO_BYTES
#define RAND_pseudo_bytes RAND_bytes
#endif
#ifndef HAVE_MKDTEMP
char *
mkdtemp(char *template)
{
int l = strlen(template);
int i = l - 6;
int fd;
int n;
if (i < 0) { errno = EINVAL; return 0; }
fd = open("/dev/random", O_RDONLY);
if (fd == -1) {
fputs("Do you have /dev/random?\n", stderr);
return 0;
}
while (i < l) {
if ( (n = read(fd, template + i, l - i)) == -1) {
close(fd);
return 0;
}
while (n--) {
unsigned char c = template[i];
c &= 63;
if (c < 10) c += '0';
else if (c < 38) c += '?' - 10;
else c += 'a' - 38;
template[i] = c;
i++;
}
}
close(fd);
if (mkdir(template, 0700) == -1) return 0;
return template;
}
#endif
#ifndef HAVE_ON_EXIT
static void (*onexitfunction)(int , void *) = 0;
static void *onexitarg;
static void
atexitfunction(void)
{
onexitfunction(-1, onexitarg);
}
int
on_exit(void (*function)(int, void *), void *arg)
{
if (onexitfunction) yourfault("on_exit called twice");
onexitfunction = function;
onexitarg = arg;
return atexit(atexitfunction);
}
#endif
void g_string_append_base64(
GString *string, unsigned char const *src, size_t srclength);
int
g_string_append_sha(GString *string, char *key)
{
#ifdef HAVE_SHA1
unsigned char tmp[SHA_DIGEST_LENGTH];
SHA1((unsigned char *) key, strlen(key), tmp);
g_string_append_base64(string, tmp, sizeof(tmp));
return 1;
#else
puts("Sorry, SHA1 support not linked into ldapvi.");
return 0;
#endif
}
int
g_string_append_ssha(GString *string, char *key)
{
#ifdef HAVE_SHA1
char rand[4];
unsigned char tmp[SHA_DIGEST_LENGTH + sizeof(rand)];
SHA_CTX SHA1context;
RAND_pseudo_bytes(rand, sizeof(rand));
SHA1_Init(&SHA1context);
SHA1_Update(&SHA1context, key, strlen(key));
SHA1_Update(&SHA1context, rand, sizeof(rand));
SHA1_Final(tmp, &SHA1context);
memcpy(tmp + SHA_DIGEST_LENGTH, rand, sizeof(rand));
g_string_append_base64(string, tmp, sizeof(tmp));
return 1;
#else
puts("Sorry, SHA1 support not linked into ldapvi.");
return 0;
#endif
}
int
g_string_append_md5(GString *string, char *key)
{
#ifdef HAVE_MD5
unsigned char tmp[MD5_DIGEST_LENGTH];
MD5((unsigned char *) key, strlen(key), tmp);
g_string_append_base64(string, tmp, sizeof(tmp));
return 1;
#else
puts("Sorry, MD5 support not linked into ldapvi.");
return 0;
#endif
}
int
g_string_append_smd5(GString *string, char *key)
{
#ifdef HAVE_MD5
unsigned char rand[4];
unsigned char tmp[MD5_DIGEST_LENGTH + sizeof(rand)];
MD5_CTX MD5context;
RAND_pseudo_bytes(rand, sizeof(rand));
MD5_Init(&MD5context);
MD5_Update(&MD5context, key, strlen(key));
MD5_Update(&MD5context, rand, sizeof(rand));
MD5_Final(tmp, &MD5context);
memcpy(tmp + MD5_DIGEST_LENGTH, rand, sizeof(rand));
g_string_append_base64(string, tmp, sizeof(tmp));
return 1;
#else
puts("Sorry, SMD5 support not linked into ldapvi.");
return 0;
#endif
}
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