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/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
/*
* Surpress dumb warning about implicit declaration of strptime on Linux
*/
#if defined(__linux__) || defined(linux)
# define _GNU_SOURCE
#endif
#include "ossl.h"
#include <stdarg.h> /* for ossl_raise */
/*
* On Windows platform there is no strptime function
* implementation in strptime.c
*/
#if !defined(HAVE_STRPTIME)
# include "./missing/strptime.c"
#endif
/*
* Check Types
*/
void
ossl_check_kind(VALUE obj, VALUE klass)
{
if (rb_obj_is_kind_of(obj, klass) != Qtrue) {
ossl_raise(rb_eTypeError, "wrong argument (%s)! (Expected kind of %s)", \
rb_class2name(CLASS_OF(obj)), rb_class2name(klass));
}
}
void
ossl_check_instance(VALUE obj, VALUE klass)
{
if (rb_obj_is_instance_of(obj, klass) != Qtrue) {
ossl_raise(rb_eTypeError, "wrong argument (%s)! (Expected instance of %s)",\
rb_class2name(CLASS_OF(obj)), rb_class2name(klass));
}
}
/*
* DATE conversion
*/
VALUE
asn1time_to_time(ASN1_UTCTIME *time)
{
struct tm tm;
switch(time->type) {
case V_ASN1_UTCTIME:
if (!strptime(time->data, "%y%m%d%H%M%SZ", &tm)) {
ossl_raise(rb_eTypeError, "bad UTCTIME format");
}
break;
case V_ASN1_GENERALIZEDTIME:
if (!strptime(time->data, "%Y%m%d%H%M%SZ", &tm)) {
ossl_raise(rb_eTypeError, "bad GENERALIZEDTIME format" );
}
break;
default:
ossl_raise(rb_eTypeError, "unknown time format");
}
/*
* QUESTION:
* return rb_time_new(mktime(gmtime(mktime(&tm))), 0);
* Is this better than following?
*/
return rb_time_new(mktime(&tm), 0);
}
/*
* This function is not exported in Ruby's *.h
*/
extern struct timeval rb_time_timeval(VALUE time);
time_t
time_to_time_t(VALUE time)
{
struct timeval t = rb_time_timeval(time);
return t.tv_sec;
}
/*
* String to HEXString conversion
*/
int
string2hex(char *buf, int buf_len, char **hexbuf, int *hexbuf_len)
{
static const char hex[]="0123456789abcdef";
int i, len = 2 * buf_len;
if (buf_len < 0 || len < buf_len) { /* PARANOIA? */
return -1;
}
if (!hexbuf) {
if (hexbuf_len) {
*hexbuf_len = len;
}
return len;
}
if (!(*hexbuf = OPENSSL_malloc(len + 1))) {
return -1;
}
for (i = 0; i < buf_len; i++) {
(*hexbuf)[2 * i] = hex[((unsigned char)buf[i]) >> 4];
(*hexbuf)[2 * i + 1] = hex[buf[i] & 0x0f];
}
(*hexbuf)[2 * i] = '\0';
if (hexbuf_len) {
*hexbuf_len = len;
}
return len;
}
/*
* main module
*/
VALUE mOSSL;
/*
* OpenSSLError < StandardError
*/
VALUE eOSSLError;
/*
* Errors
*/
void
ossl_raise(VALUE exc, const char *fmt, ...)
{
va_list args;
char buf[BUFSIZ];
int len;
long e = ERR_get_error();
va_start(args, fmt);
len = vsnprintf(buf, BUFSIZ, fmt, args);
va_end(args);
if (e) {
if (dOSSL == Qtrue) { /* FULL INFO */
len += snprintf(buf + len, BUFSIZ - len, "%s", ERR_error_string(e, NULL));
} else {
len += snprintf(buf + len, BUFSIZ - len, "%s", ERR_reason_error_string(e));
}
}
rb_exc_raise(rb_exc_new(exc, buf, len));
}
/*
* Debug
*/
VALUE dOSSL;
#if defined(NT)
void ossl_debug(const char *fmt, ...)
{
va_list args;
if (dOSSL == Qtrue) {
fprintf(stderr, "OSSL_DEBUG: ");
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, " [CONTEXT N/A]\n");
}
}
#endif
static VALUE
ossl_debug_get(VALUE self)
{
return dOSSL;
}
static VALUE
ossl_debug_set(VALUE self, VALUE val)
{
VALUE old = dOSSL;
dOSSL = val;
if (old != dOSSL) {
if (dOSSL == Qtrue) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
fprintf(stderr, "OSSL_DEBUG: IS NOW ON!\n");
} else if (old == Qtrue) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF);
fprintf(stderr, "OSSL_DEBUG: IS NOW OFF!\n");
}
}
return val;
}
/*
* OSSL library init
*/
void
Init_openssl()
{
/*
* Init all digests, ciphers
*/
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
/*
* Init main module
*/
mOSSL = rb_define_module("OpenSSL");
/*
* Constants
*/
rb_define_const(mOSSL, "VERSION", rb_str_new2(OSSL_VERSION));
rb_define_const(mOSSL, "OPENSSL_VERSION", rb_str_new2(OPENSSL_VERSION_TEXT));
/*
* Generic error,
* common for all classes under OpenSSL module
*/
eOSSLError = rb_define_class_under(mOSSL, "OpenSSLError", rb_eStandardError);
/*
* Init debug core
*/
dOSSL = Qfalse;
rb_define_module_function(mOSSL, "debug", ossl_debug_get, 0);
rb_define_module_function(mOSSL, "debug=", ossl_debug_set, 1);
/*
* Init components
*/
Init_ossl_bn();
Init_ossl_cipher();
Init_ossl_config();
Init_ossl_digest();
Init_ossl_hmac();
Init_ossl_ns_spki();
Init_ossl_pkcs7();
Init_ossl_pkey();
Init_ossl_rand();
Init_ossl_ssl();
Init_ossl_x509();
}
#if defined(OSSL_DEBUG)
/*
* Check if all symbols are OK with 'make LDSHARED=gcc all'
*/
int
main(int argc, char *argv[], char *env[])
{
return 0;
}
#endif /* OSSL_DEBUG */
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