int i2d_SCEP_MSG_bio( BIO *bio, SCEP_MSG *msg, EVP_PKEY *pkey ) {
PKCS7 *p7 = NULL;
int ret = 0;
/* Generate the signed pkcs7 message */
if( (p7 = i2pk7_SCEP_MSG( msg, pkey )) == NULL )
return 0;
ret = i2d_PKCS7_bio(bio, p7);
PKCS7_free( p7 );
ERR_clear_error();
return ret;
}
/* Base 64 write of PKCS#7 structure */
int B64_write_bio_PKCS7 ( BIO *bio, PKCS7 *p7 ) {
BIO *b64 = NULL;
int ret = 0;
if( !p7 ) return 0;
if(!(b64 = BIO_new(BIO_f_base64()))) {
PKCS7err(PKCS7_F_B64_WRITE_PKCS7,ERR_R_MALLOC_FAILURE);
return 0;
}
bio = BIO_push(b64, bio);
ret = i2d_PKCS7_bio(bio, p7);
BIO_flush(bio);
bio = BIO_pop(bio);
BIO_free(b64);
return ret;
}
static LUA_FUNCTION(openssl_pkcs7_export)
{
int pem;
PKCS7 * p7 = CHECK_OBJECT(1, PKCS7, "openssl.pkcs7");
int top = lua_gettop(L);
BIO* bio_out = NULL;
pem = top > 1 ? lua_toboolean(L, 2) : 1;
bio_out = BIO_new(BIO_s_mem());
if (pem)
{
if (PEM_write_bio_PKCS7(bio_out, p7))
{
BUF_MEM *bio_buf;
BIO_get_mem_ptr(bio_out, &bio_buf);
lua_pushlstring(L, bio_buf->data, bio_buf->length);
}
else
lua_pushnil(L);
}
else
{
if (i2d_PKCS7_bio(bio_out, p7))
{
BUF_MEM *bio_buf;
BIO_get_mem_ptr(bio_out, &bio_buf);
lua_pushlstring(L, bio_buf->data, bio_buf->length);
}
else
lua_pushnil(L);
}
BIO_free(bio_out);
return 1;
}
static int
reply_command(CONF * conf, char *section, char *engine, char *queryfile,
char *passin, char *inkey, char *signer, char *chain, const char *policy,
char *in, int token_in, char *out, int token_out, int text)
{
int ret = 0;
TS_RESP *response = NULL;
BIO *in_bio = NULL;
BIO *query_bio = NULL;
BIO *inkey_bio = NULL;
BIO *signer_bio = NULL;
BIO *out_bio = NULL;
/* Build response object either from response or query. */
if (in != NULL) {
if ((in_bio = BIO_new_file(in, "rb")) == NULL)
goto end;
if (token_in) {
/*
* We have a ContentInfo (PKCS7) object, add
* 'granted' status info around it.
*/
response = read_PKCS7(in_bio);
} else {
/* We have a ready-made TS_RESP object. */
response = d2i_TS_RESP_bio(in_bio, NULL);
}
} else {
response = create_response(conf, section, engine, queryfile,
passin, inkey, signer, chain,
policy);
if (response)
BIO_printf(bio_err, "Response has been generated.\n");
else
BIO_printf(bio_err, "Response is not generated.\n");
}
if (response == NULL)
goto end;
/* Write response either in ASN.1 or text format. */
if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
goto end;
if (text) {
/* Text output. */
if (token_out) {
TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
if (!TS_TST_INFO_print_bio(out_bio, tst_info))
goto end;
} else {
if (!TS_RESP_print_bio(out_bio, response))
goto end;
}
} else {
/* ASN.1 DER output. */
if (token_out) {
PKCS7 *token = TS_RESP_get_token(response);
if (!i2d_PKCS7_bio(out_bio, token))
goto end;
} else {
if (!i2d_TS_RESP_bio(out_bio, response))
goto end;
}
}
ret = 1;
end:
ERR_print_errors(bio_err);
/* Clean up. */
BIO_free_all(in_bio);
BIO_free_all(query_bio);
BIO_free_all(inkey_bio);
BIO_free_all(signer_bio);
BIO_free_all(out_bio);
TS_RESP_free(response);
return ret;
}
/*******************************************************************************
函数名称: cert_pkcs7_wrap
功能描述: 将要发送的消息采用PKCS#7格式进行编码
输入参数: struct scep *s, SCEP操作的结构体指针。
s32 hasra, 是否使用RA证书，1,使用；0，不使用
输出参数: 无
返 回 值: 1,成功；-1，失败
--------------------------------------------------------------------------------
最近一次修改记录:
修改作者:王朝
修改目的:添加新函数
修改日期:2009年12月28日
*********************************************************************************/
s32 cert_pkcs7_wrap(struct scep *s, s32 hasra)
{
BIO *databio = NULL;
BIO *encbio = NULL;
BIO *pkcs7bio = NULL;
BIO *memorybio = NULL;
BIO *outbio = NULL;
BIO *base64bio = NULL;
u8 *buffer = NULL;
s32 len = 0;
STACK_OF(X509) *recipients = NULL;
PKCS7 *p7enc = NULL;
PKCS7_SIGNER_INFO *si = NULL;
STACK_OF(X509_ATTRIBUTE) *attributes = NULL;
X509 *signercert = NULL;
EVP_PKEY *signerkey = NULL;
s32 retval = -1;
/* sender nonce */
s->sender_nonce_len = 16;
s->sender_nonce = (u8 *)malloc((u32)s->sender_nonce_len);
RAND_bytes(s->sender_nonce, s->sender_nonce_len);
/* Prepare data payload */
switch(s->request_type)
{
case SCEP_REQUEST_PKCSREQ:
s->request_type_str = SCEP_REQUEST_PKCSREQ_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Read request in memory bio */
databio = BIO_new(BIO_s_mem());
if ((i2d_X509_REQ_bio(databio, cert_request)) <= 0)
{
goto end;
}
(void)BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
case SCEP_REQUEST_GETCERTINIT:
/* Set printable message type */
s->request_type_str = SCEP_REQUEST_GETCERTINIT_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Read data in memory bio */
databio = BIO_new(BIO_s_mem());
if ((i2d_pkcs7_issuer_and_subject_bio(databio, s->ias_getcertinit)) <= 0)
{
goto end;
}
(void)BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
default:
goto end;
}
/* Below this is the common code for all request_type */
/* Read in the payload */
s->request_len = BIO_get_mem_data(databio, &s->request_payload);
BIO_free(databio);
databio = NULL;
/* Create encryption certificate stack */
if (NULL == (recipients = sk_X509_new_null() ))
{
goto end;
}
/* Use different CA cert for encryption if requested */
if (1 == hasra)
{
if (sk_X509_push(recipients, cert_encert) <= 0)
{
goto end;
}
}
else
{
/* Use same CA cert also for encryption */
if (sk_X509_push(recipients, cert_cacert) <= 0)
{
goto end;
}
}
/* Create BIO for encryption */
if ((encbio = BIO_new_mem_buf(s->request_payload,s->request_len)) == NULL)
{
goto end;
}
/* Encrypt */
if (NULL == (p7enc = PKCS7_encrypt(recipients, encbio, cert_enc_alg, PKCS7_BINARY)))
{
goto end;
}
BIO_free(encbio);
encbio = NULL;
sk_X509_free(recipients);
recipients = NULL;
/* Write encrypted data */
memorybio = BIO_new(BIO_s_mem());
if (i2d_PKCS7_bio(memorybio, p7enc) <= 0)
{
goto end;
}
PKCS7_free(p7enc);
p7enc = NULL;
(void)BIO_flush(memorybio);
BIO_set_flags(memorybio, BIO_FLAGS_MEM_RDONLY);
len = BIO_get_mem_data(memorybio, &buffer);
/* Create outer PKCS#7 */
s->request_p7 = PKCS7_new();
if (s->request_p7 == NULL)
{
goto end;
}
if (!PKCS7_set_type(s->request_p7, NID_pkcs7_signed))
{
goto end;
}
/* Add signer certificate and signature */
PKCS7_add_certificate(s->request_p7, signercert);
if ((si = PKCS7_add_signature(s->request_p7,signercert, signerkey, cert_sig_alg)) == NULL)
{
goto end;
}
/* Set signed attributes */
attributes = sk_X509_ATTRIBUTE_new_null();
cert_add_attribute_string(attributes, nid_transId, s->transaction_id);
cert_add_attribute_string(attributes, nid_messageType, s->request_type_str);
cert_add_attribute_octet(attributes, nid_senderNonce, (s8 *)(s->sender_nonce),s->sender_nonce_len);
PKCS7_set_signed_attributes(si, attributes);
sk_X509_ATTRIBUTE_free(attributes);
attributes = NULL;
/* Add contentType */
if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data)))
{
goto end;
}
/* Create new content */
if (!PKCS7_content_new(s->request_p7, NID_pkcs7_data))
{
goto end;
}
/* Write data */
pkcs7bio = PKCS7_dataInit(s->request_p7, NULL);
if (pkcs7bio == NULL)
{
goto end;
}
if (len != BIO_write(pkcs7bio, buffer, len))
{
goto end;
}
BIO_free(memorybio);
memorybio = NULL;
/* Finalize PKCS#7 */
if (!PKCS7_dataFinal(s->request_p7, pkcs7bio))
{
goto end;
}
/* base64-encode the data */
/* Create base64 filtering bio */
memorybio = BIO_new(BIO_s_mem());
base64bio = BIO_new(BIO_f_base64());
outbio = BIO_push(base64bio, memorybio);
/* Copy PKCS#7 */
i2d_PKCS7_bio(outbio, s->request_p7);
(void)BIO_flush(outbio);
BIO_set_flags(memorybio, BIO_FLAGS_MEM_RDONLY);
s->request_len = BIO_get_mem_data(memorybio, &s->request_payload);
retval = 1;
end:
if(NULL != databio)
{
BIO_free(databio);
}
if(NULL != encbio)
{
BIO_free(encbio);
}
if(NULL != p7enc)
{
PKCS7_free(p7enc);
}
if(NULL != pkcs7bio)
{
BIO_free(pkcs7bio);
}
if(NULL != memorybio)
{
BIO_free(memorybio);
}
if(NULL != base64bio)
{
BIO_free(base64bio);
}
if(NULL != recipients)
{
sk_X509_free(recipients);
}
if(NULL != attributes)
{
sk_X509_ATTRIBUTE_free(attributes);
}
return retval;
}
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
int operation = 0;
int ret = 0;
char **args;
const char *inmode = "r", *outmode = "w";
char *infile = NULL, *outfile = NULL;
char *signerfile = NULL, *recipfile = NULL;
char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
const EVP_CIPHER *cipher = NULL;
PKCS7 *p7 = NULL;
X509_STORE *store = NULL;
X509 *cert = NULL, *recip = NULL, *signer = NULL;
EVP_PKEY *key = NULL;
STACK_OF(X509) *encerts = NULL, *other = NULL;
BIO *in = NULL, *out = NULL, *indata = NULL;
int badarg = 0;
int flags = PKCS7_DETACHED;
char *to = NULL, *from = NULL, *subject = NULL;
char *CAfile = NULL, *CApath = NULL;
char *passargin = NULL, *passin = NULL;
char *inrand = NULL;
int need_rand = 0;
int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
int keyform = FORMAT_PEM;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
X509_VERIFY_PARAM *vpm = NULL;
args = argv + 1;
ret = 1;
apps_startup();
if (bio_err == NULL)
{
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
}
if (!load_config(bio_err, NULL))
goto end;
while (!badarg && *args && *args[0] == '-')
{
if (!strcmp (*args, "-encrypt"))
operation = SMIME_ENCRYPT;
else if (!strcmp (*args, "-decrypt"))
operation = SMIME_DECRYPT;
else if (!strcmp (*args, "-sign"))
operation = SMIME_SIGN;
else if (!strcmp (*args, "-verify"))
operation = SMIME_VERIFY;
else if (!strcmp (*args, "-pk7out"))
operation = SMIME_PK7OUT;
#ifndef OPENSSL_NO_DES
else if (!strcmp (*args, "-des3"))
cipher = EVP_des_ede3_cbc();
else if (!strcmp (*args, "-des"))
cipher = EVP_des_cbc();
#endif
#ifndef OPENSSL_NO_SEED
else if (!strcmp (*args, "-seed"))
cipher = EVP_seed_cbc();
#endif
#ifndef OPENSSL_NO_RC2
else if (!strcmp (*args, "-rc2-40"))
cipher = EVP_rc2_40_cbc();
else if (!strcmp (*args, "-rc2-128"))
cipher = EVP_rc2_cbc();
else if (!strcmp (*args, "-rc2-64"))
cipher = EVP_rc2_64_cbc();
#endif
#ifndef OPENSSL_NO_AES
else if (!strcmp(*args,"-aes128"))
cipher = EVP_aes_128_cbc();
else if (!strcmp(*args,"-aes192"))
cipher = EVP_aes_192_cbc();
else if (!strcmp(*args,"-aes256"))
cipher = EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
else if (!strcmp(*args,"-camellia128"))
cipher = EVP_camellia_128_cbc();
else if (!strcmp(*args,"-camellia192"))
cipher = EVP_camellia_192_cbc();
else if (!strcmp(*args,"-camellia256"))
cipher = EVP_camellia_256_cbc();
#endif
else if (!strcmp (*args, "-text"))
flags |= PKCS7_TEXT;
else if (!strcmp (*args, "-nointern"))
flags |= PKCS7_NOINTERN;
else if (!strcmp (*args, "-noverify"))
flags |= PKCS7_NOVERIFY;
else if (!strcmp (*args, "-nochain"))
flags |= PKCS7_NOCHAIN;
else if (!strcmp (*args, "-nocerts"))
flags |= PKCS7_NOCERTS;
else if (!strcmp (*args, "-noattr"))
flags |= PKCS7_NOATTR;
else if (!strcmp (*args, "-nodetach"))
flags &= ~PKCS7_DETACHED;
else if (!strcmp (*args, "-nosmimecap"))
flags |= PKCS7_NOSMIMECAP;
else if (!strcmp (*args, "-binary"))
flags |= PKCS7_BINARY;
else if (!strcmp (*args, "-nosigs"))
flags |= PKCS7_NOSIGS;
else if (!strcmp (*args, "-nooldmime"))
flags |= PKCS7_NOOLDMIMETYPE;
else if (!strcmp (*args, "-crlfeol"))
flags |= PKCS7_CRLFEOL;
else if (!strcmp(*args,"-rand"))
{
if (args[1])
{
args++;
inrand = *args;
}
else
badarg = 1;
need_rand = 1;
}
#ifndef OPENSSL_NO_ENGINE
else if (!strcmp(*args,"-engine"))
{
if (args[1])
{
args++;
engine = *args;
}
else badarg = 1;
}
#endif
else if (!strcmp(*args,"-passin"))
{
if (args[1])
{
args++;
passargin = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-to"))
{
if (args[1])
{
args++;
to = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-from"))
{
if (args[1])
{
args++;
from = *args;
}
else badarg = 1;
}
else if (!strcmp (*args, "-subject"))
{
if (args[1])
{
args++;
subject = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-signer"))
{
if (args[1])
{
args++;
signerfile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-recip"))
{
if (args[1])
{
args++;
recipfile = *args;
}
else badarg = 1;
}
else if (!strcmp (*args, "-inkey"))
{
if (args[1])
{
args++;
keyfile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-keyform"))
{
if (args[1])
{
args++;
keyform = str2fmt(*args);
}
else
badarg = 1;
}
else if (!strcmp (*args, "-certfile"))
{
if (args[1])
{
args++;
certfile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-CAfile"))
{
if (args[1])
{
args++;
CAfile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-CApath"))
{
if (args[1])
{
args++;
CApath = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-in"))
{
if (args[1])
{
args++;
infile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-inform"))
{
if (args[1])
{
args++;
informat = str2fmt(*args);
}
else
badarg = 1;
}
else if (!strcmp (*args, "-outform"))
{
if (args[1])
{
args++;
outformat = str2fmt(*args);
}
else
badarg = 1;
}
else if (!strcmp (*args, "-out"))
{
if (args[1])
{
args++;
outfile = *args;
}
else
badarg = 1;
}
else if (!strcmp (*args, "-content"))
{
if (args[1])
{
args++;
contfile = *args;
}
else
badarg = 1;
}
else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
continue;
else
badarg = 1;
args++;
}
if (operation == SMIME_SIGN)
{
if (!signerfile)
{
BIO_printf(bio_err, "No signer certificate specified\n");
badarg = 1;
}
need_rand = 1;
}
else if (operation == SMIME_DECRYPT)
{
if (!recipfile && !keyfile)
{
BIO_printf(bio_err, "No recipient certificate or key specified\n");
badarg = 1;
}
}
else if (operation == SMIME_ENCRYPT)
{
if (!*args)
{
BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
badarg = 1;
}
need_rand = 1;
}
else if (!operation)
badarg = 1;
if (badarg)
{
BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
BIO_printf (bio_err, "where options are\n");
BIO_printf (bio_err, "-encrypt encrypt message\n");
BIO_printf (bio_err, "-decrypt decrypt encrypted message\n");
BIO_printf (bio_err, "-sign sign message\n");
BIO_printf (bio_err, "-verify verify signed message\n");
BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n");
#ifndef OPENSSL_NO_DES
BIO_printf (bio_err, "-des3 encrypt with triple DES\n");
BIO_printf (bio_err, "-des encrypt with DES\n");
#endif
#ifndef OPENSSL_NO_SEED
BIO_printf (bio_err, "-seed encrypt with SEED\n");
#endif
#ifndef OPENSSL_NO_RC2
BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n");
BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n");
#endif
#ifndef OPENSSL_NO_AES
BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n");
#endif
BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n");
BIO_printf (bio_err, "-nosigs don't verify message signature\n");
BIO_printf (bio_err, "-noverify don't verify signers certificate\n");
BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n");
BIO_printf (bio_err, "-nodetach use opaque signing\n");
BIO_printf (bio_err, "-noattr don't include any signed attributes\n");
BIO_printf (bio_err, "-binary don't translate message to text\n");
BIO_printf (bio_err, "-certfile file other certificates file\n");
BIO_printf (bio_err, "-signer file signer certificate file\n");
BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n");
BIO_printf (bio_err, "-in file input file\n");
BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n");
BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n");
BIO_printf (bio_err, "-out file output file\n");
BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
BIO_printf (bio_err, "-content file supply or override content for detached signature\n");
BIO_printf (bio_err, "-to addr to address\n");
BIO_printf (bio_err, "-from ad from address\n");
BIO_printf (bio_err, "-subject s subject\n");
BIO_printf (bio_err, "-text include or delete text MIME headers\n");
BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
#endif
BIO_printf (bio_err, "-passin arg input file pass phrase source\n");
BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
{
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (need_rand)
{
app_RAND_load_file(NULL, bio_err, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
}
ret = 2;
if (operation != SMIME_SIGN)
flags &= ~PKCS7_DETACHED;
if (operation & SMIME_OP)
{
if (flags & PKCS7_BINARY)
inmode = "rb";
if (outformat == FORMAT_ASN1)
outmode = "wb";
}
else
{
if (flags & PKCS7_BINARY)
outmode = "wb";
if (informat == FORMAT_ASN1)
inmode = "rb";
}
if (operation == SMIME_ENCRYPT)
{
if (!cipher)
{
#ifndef OPENSSL_NO_RC2
cipher = EVP_rc2_40_cbc();
#else
BIO_printf(bio_err, "No cipher selected\n");
goto end;
#endif
}
encerts = sk_X509_new_null();
while (*args)
{
if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
NULL, e, "recipient certificate file")))
{
#if 0 /* An appropriate message is already printed */
BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
#endif
goto end;
}
sk_X509_push(encerts, cert);
cert = NULL;
args++;
}
}
if (signerfile && (operation == SMIME_SIGN))
{
if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
e, "signer certificate")))
{
#if 0 /* An appropri message has already been printed */
BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
#endif
goto end;
}
}
if (certfile)
{
if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
e, "certificate file")))
{
#if 0 /* An appropriate message has already been printed */
BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
#endif
ERR_print_errors(bio_err);
goto end;
}
}
if (recipfile && (operation == SMIME_DECRYPT))
{
if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
e, "recipient certificate file")))
{
#if 0 /* An appropriate message has alrady been printed */
BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
#endif
ERR_print_errors(bio_err);
goto end;
}
}
if (operation == SMIME_DECRYPT)
{
if (!keyfile)
keyfile = recipfile;
}
else if (operation == SMIME_SIGN)
{
if (!keyfile)
keyfile = signerfile;
}
else keyfile = NULL;
if (keyfile)
{
key = load_key(bio_err, keyfile, keyform, 0, passin, e,
"signing key file");
if (!key)
goto end;
}
if (infile)
{
if (!(in = BIO_new_file(infile, inmode)))
{
BIO_printf (bio_err,
"Can't open input file %s\n", infile);
goto end;
}
}
else
in = BIO_new_fp(stdin, BIO_NOCLOSE);
if (outfile)
{
if (!(out = BIO_new_file(outfile, outmode)))
{
BIO_printf (bio_err,
"Can't open output file %s\n", outfile);
goto end;
}
}
else
{
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
if (operation == SMIME_VERIFY)
{
if (!(store = setup_verify(bio_err, CAfile, CApath)))
goto end;
X509_STORE_set_verify_cb_func(store, smime_cb);
if (vpm)
X509_STORE_set1_param(store, vpm);
}
ret = 3;
if (operation == SMIME_ENCRYPT)
p7 = PKCS7_encrypt(encerts, in, cipher, flags);
else if (operation == SMIME_SIGN)
{
/* If detached data and SMIME output enable partial
* signing.
*/
if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
flags |= PKCS7_STREAM;
p7 = PKCS7_sign(signer, key, other, in, flags);
}
else
{
if (informat == FORMAT_SMIME)
p7 = SMIME_read_PKCS7(in, &indata);
else if (informat == FORMAT_PEM)
p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
else if (informat == FORMAT_ASN1)
p7 = d2i_PKCS7_bio(in, NULL);
else
{
BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
goto end;
}
if (!p7)
{
BIO_printf(bio_err, "Error reading S/MIME message\n");
goto end;
}
if (contfile)
{
BIO_free(indata);
if (!(indata = BIO_new_file(contfile, "rb")))
{
BIO_printf(bio_err, "Can't read content file %s\n", contfile);
goto end;
}
}
}
if (!p7)
{
BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
goto end;
}
ret = 4;
if (operation == SMIME_DECRYPT)
{
if (!PKCS7_decrypt(p7, key, recip, out, flags))
{
BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
goto end;
}
}
else if (operation == SMIME_VERIFY)
{
STACK_OF(X509) *signers;
if (PKCS7_verify(p7, other, store, indata, out, flags))
BIO_printf(bio_err, "Verification successful\n");
else
{
BIO_printf(bio_err, "Verification failure\n");
goto end;
}
signers = PKCS7_get0_signers(p7, other, flags);
if (!save_certs(signerfile, signers))
{
BIO_printf(bio_err, "Error writing signers to %s\n",
signerfile);
ret = 5;
goto end;
}
sk_X509_free(signers);
}
else if (operation == SMIME_PK7OUT)
PEM_write_bio_PKCS7(out, p7);
else
{
if (to)
BIO_printf(out, "To: %s\n", to);
if (from)
BIO_printf(out, "From: %s\n", from);
if (subject)
BIO_printf(out, "Subject: %s\n", subject);
if (outformat == FORMAT_SMIME)
SMIME_write_PKCS7(out, p7, in, flags);
else if (outformat == FORMAT_PEM)
PEM_write_bio_PKCS7(out,p7);
else if (outformat == FORMAT_ASN1)
i2d_PKCS7_bio(out,p7);
else
{
BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
goto end;
}
}
ret = 0;
end:
if (need_rand)
app_RAND_write_file(NULL, bio_err);
if (ret) ERR_print_errors(bio_err);
sk_X509_pop_free(encerts, X509_free);
sk_X509_pop_free(other, X509_free);
if (vpm)
X509_VERIFY_PARAM_free(vpm);
X509_STORE_free(store);
X509_free(cert);
X509_free(recip);
X509_free(signer);
EVP_PKEY_free(key);
PKCS7_free(p7);
BIO_free(in);
BIO_free(indata);
BIO_free_all(out);
if (passin) OPENSSL_free(passin);
return (ret);
}
int pkcs7_main(int argc, char **argv)
{
ENGINE *e = NULL;
PKCS7 *p7 = NULL;
BIO *in = NULL, *out = NULL;
int informat = FORMAT_PEM, outformat = FORMAT_PEM;
char *infile = NULL, *outfile = NULL, *prog;
int i, print_certs = 0, text = 0, noout = 0, p7_print = 0, ret = 1;
OPTION_CHOICE o;
prog = opt_init(argc, argv, pkcs7_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(pkcs7_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_PRINT:
p7_print = 1;
break;
case OPT_PRINT_CERTS:
print_certs = 1;
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
}
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
in = bio_open_default(infile, 'r', informat);
if (in == NULL)
goto end;
if (informat == FORMAT_ASN1)
p7 = d2i_PKCS7_bio(in, NULL);
else
p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
if (p7 == NULL) {
BIO_printf(bio_err, "unable to load PKCS7 object\n");
ERR_print_errors(bio_err);
goto end;
}
out = bio_open_default(outfile, 'w', outformat);
if (out == NULL)
goto end;
if (p7_print)
PKCS7_print_ctx(out, p7, 0, NULL);
if (print_certs) {
STACK_OF(X509) *certs = NULL;
STACK_OF(X509_CRL) *crls = NULL;
i = OBJ_obj2nid(p7->type);
switch (i) {
case NID_pkcs7_signed:
if (p7->d.sign != NULL) {
certs = p7->d.sign->cert;
crls = p7->d.sign->crl;
}
break;
case NID_pkcs7_signedAndEnveloped:
if (p7->d.signed_and_enveloped != NULL) {
certs = p7->d.signed_and_enveloped->cert;
crls = p7->d.signed_and_enveloped->crl;
}
break;
default:
break;
}
if (certs != NULL) {
X509 *x;
for (i = 0; i < sk_X509_num(certs); i++) {
x = sk_X509_value(certs, i);
if (text)
X509_print(out, x);
else
dump_cert_text(out, x);
if (!noout)
PEM_write_bio_X509(out, x);
BIO_puts(out, "\n");
}
}
if (crls != NULL) {
X509_CRL *crl;
for (i = 0; i < sk_X509_CRL_num(crls); i++) {
crl = sk_X509_CRL_value(crls, i);
X509_CRL_print_ex(out, crl, get_nameopt());
if (!noout)
PEM_write_bio_X509_CRL(out, crl);
BIO_puts(out, "\n");
}
}
ret = 0;
goto end;
}
if (!noout) {
if (outformat == FORMAT_ASN1)
i = i2d_PKCS7_bio(out, p7);
else
i = PEM_write_bio_PKCS7(out, p7);
if (!i) {
BIO_printf(bio_err, "unable to write pkcs7 object\n");
ERR_print_errors(bio_err);
goto end;
}
}
ret = 0;
end:
PKCS7_free(p7);
release_engine(e);
BIO_free(in);
BIO_free_all(out);
return ret;
}
int crl2pkcs7_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
PKCS7 *p7 = NULL;
PKCS7_SIGNED *p7s = NULL;
STACK_OF(OPENSSL_STRING) *certflst = NULL;
STACK_OF(X509) *cert_stack = NULL;
STACK_OF(X509_CRL) *crl_stack = NULL;
X509_CRL *crl = NULL;
char *infile = NULL, *outfile = NULL, *prog, *certfile;
int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl =
0;
OPTION_CHOICE o;
prog = opt_init(argc, argv, crl2pkcs7_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(crl2pkcs7_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_NOCRL:
nocrl = 1;
break;
case OPT_CERTFILE:
if ((certflst == NULL)
&& (certflst = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
sk_OPENSSL_STRING_free(certflst);
goto end;
}
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (!app_load_modules(NULL))
goto end;
if (!nocrl) {
in = bio_open_default(infile, RB(informat));
if (in == NULL)
goto end;
if (informat == FORMAT_ASN1)
crl = d2i_X509_CRL_bio(in, NULL);
else if (informat == FORMAT_PEM)
crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
if (crl == NULL) {
BIO_printf(bio_err, "unable to load CRL\n");
ERR_print_errors(bio_err);
goto end;
}
}
if ((p7 = PKCS7_new()) == NULL)
goto end;
if ((p7s = PKCS7_SIGNED_new()) == NULL)
goto end;
p7->type = OBJ_nid2obj(NID_pkcs7_signed);
p7->d.sign = p7s;
p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
if (!ASN1_INTEGER_set(p7s->version, 1))
goto end;
if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
goto end;
p7s->crl = crl_stack;
if (crl != NULL) {
sk_X509_CRL_push(crl_stack, crl);
crl = NULL; /* now part of p7 for OPENSSL_freeing */
}
if ((cert_stack = sk_X509_new_null()) == NULL)
goto end;
p7s->cert = cert_stack;
if (certflst)
for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
certfile = sk_OPENSSL_STRING_value(certflst, i);
if (add_certs_from_file(cert_stack, certfile) < 0) {
BIO_printf(bio_err, "error loading certificates\n");
ERR_print_errors(bio_err);
goto end;
}
}
sk_OPENSSL_STRING_free(certflst);
out = bio_open_default(outfile, WB(outformat));
if (out == NULL)
goto end;
if (outformat == FORMAT_ASN1)
i = i2d_PKCS7_bio(out, p7);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_PKCS7(out, p7);
if (!i) {
BIO_printf(bio_err, "unable to write pkcs7 object\n");
ERR_print_errors(bio_err);
goto end;
}
ret = 0;
end:
BIO_free(in);
BIO_free_all(out);
PKCS7_free(p7);
X509_CRL_free(crl);
return (ret);
}
/*
* Wrap data in PKCS#7 envelopes and base64-encode the result.
* Data is PKCS#10 request in PKCSReq, or pkcs7_issuer_and_subject
* structure in GetCertInitial and PKCS7_ISSUER_AND_SERIAL in
* GetCert and GETCrl.
*/
int pkcs7_wrap(struct scep *s) {
BIO *databio = NULL;
BIO *encbio = NULL;
BIO *pkcs7bio = NULL;
BIO *memorybio = NULL;
BIO *outbio = NULL;
BIO *base64bio = NULL;
unsigned char *buffer = NULL;
int rc, len = 0;
STACK_OF(X509) *recipients;
PKCS7 *p7enc;
PKCS7_SIGNER_INFO *si;
STACK_OF(X509_ATTRIBUTE) *attributes;
X509 *signercert = NULL;
EVP_PKEY *signerkey = NULL;
/* Create a new sender nonce for all messages
* XXXXXXXXXXXXXX should it be per transaction? */
s->sender_nonce_len = 16;
s->sender_nonce = (unsigned char *)malloc(s->sender_nonce_len);
RAND_bytes(s->sender_nonce, s->sender_nonce_len);
/* Prepare data payload */
switch(s->request_type) {
case SCEP_REQUEST_PKCSREQ:
/*
* Set printable message type
* We set this later as an autheticated attribute
* "messageType".
*/
s->request_type_str = SCEP_REQUEST_PKCSREQ_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Create inner PKCS#7 */
if (v_flag)
printf("%s: creating inner PKCS#7\n", pname);
/* Read request in memory bio */
databio = BIO_new(BIO_s_mem());
if ((rc = i2d_X509_REQ_bio(databio, request)) <= 0) {
fprintf(stderr, "%s: error writing "
"certificate request in bio\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
case SCEP_REQUEST_GETCERTINIT:
/* Set printable message type */
s->request_type_str = SCEP_REQUEST_GETCERTINIT_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Create inner PKCS#7 */
if (v_flag)
printf("%s: creating inner PKCS#7\n", pname);
/* Read data in memory bio */
databio = BIO_new(BIO_s_mem());
if ((rc = i2d_pkcs7_issuer_and_subject_bio(databio,
s->ias_getcertinit)) <= 0) {
fprintf(stderr, "%s: error writing "
"GetCertInitial data in bio\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
case SCEP_REQUEST_GETCERT:
/* Set printable message type */
s->request_type_str = SCEP_REQUEST_GETCERT_STR;
/* Signer cert */
signercert = localcert;
signerkey = rsa;
/* Read data in memory bio */
databio = BIO_new(BIO_s_mem());
if ((rc = i2d_PKCS7_ISSUER_AND_SERIAL_bio(databio,
s->ias_getcert)) <= 0) {
fprintf(stderr, "%s: error writing "
"GetCert data in bio\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
case SCEP_REQUEST_GETCRL:
/* Set printable message type */
s->request_type_str = SCEP_REQUEST_GETCRL_STR;
/* Signer cert */
signercert = localcert;
signerkey = rsa;
/* Read data in memory bio */
databio = BIO_new(BIO_s_mem());
if ((rc = i2d_PKCS7_ISSUER_AND_SERIAL_bio(databio,
s->ias_getcrl)) <= 0) {
fprintf(stderr, "%s: error writing "
"GetCert data in bio\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
BIO_flush(databio);
BIO_set_flags(databio, BIO_FLAGS_MEM_RDONLY);
break;
}
/* Below this is the common code for all request_type */
/* Read in the payload */
s->request_len = BIO_get_mem_data(databio, &s->request_payload);
if (v_flag)
printf("%s: data payload size: %d bytes\n", pname,
s->request_len);
BIO_free(databio);
/* Create encryption certificate stack */
if ((recipients = sk_X509_new(NULL)) == NULL) {
fprintf(stderr, "%s: error creating "
"certificate stack\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Use different CA cert for encryption if requested */
if (e_flag) {
if (sk_X509_push(recipients, encert) <= 0) {
fprintf(stderr, "%s: error adding recipient encryption "
"certificate\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Use same CA cert also for encryption */
} else {
if (sk_X509_push(recipients, cacert) <= 0) {
fprintf(stderr, "%s: error adding recipient encryption "
"certificate\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
}
/* Create BIO for encryption */
if ((encbio = BIO_new_mem_buf(s->request_payload,
s->request_len)) == NULL) {
fprintf(stderr, "%s: error creating data " "bio\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Encrypt */
if (!(p7enc = PKCS7_encrypt(recipients, encbio,
enc_alg, PKCS7_BINARY))) {
fprintf(stderr, "%s: request payload encrypt failed\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (v_flag)
printf("%s: successfully encrypted payload\n", pname);
/* Write encrypted data */
memorybio = BIO_new(BIO_s_mem());
if (i2d_PKCS7_bio(memorybio, p7enc) <= 0) {
fprintf(stderr, "%s: error writing encrypted data\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
BIO_flush(memorybio);
BIO_set_flags(memorybio, BIO_FLAGS_MEM_RDONLY);
len = BIO_get_mem_data(memorybio, &buffer);
if (v_flag)
printf("%s: envelope size: %d bytes\n", pname, len);
if (d_flag) {
printf("%s: printing PEM fomatted PKCS#7\n", pname);
PEM_write_PKCS7(stdout, p7enc);
}
BIO_free(memorybio);
/* Create outer PKCS#7 */
if (v_flag)
printf("%s: creating outer PKCS#7\n", pname);
s->request_p7 = PKCS7_new();
if (s->request_p7 == NULL) {
fprintf(stderr, "%s: failed creating PKCS#7 for signing\n",
pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (!PKCS7_set_type(s->request_p7, NID_pkcs7_signed)) {
fprintf(stderr, "%s: failed setting PKCS#7 type\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Add signer certificate and signature */
PKCS7_add_certificate(s->request_p7, signercert);
if ((si = PKCS7_add_signature(s->request_p7,
signercert, signerkey, sig_alg)) == NULL) {
fprintf(stderr, "%s: error adding PKCS#7 signature\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (v_flag)
printf("%s: signature added successfully\n", pname);
/* Set signed attributes */
if (v_flag)
printf("%s: adding signed attributes\n", pname);
attributes = sk_X509_ATTRIBUTE_new_null();
add_attribute_string(attributes, nid_transId, s->transaction_id);
add_attribute_string(attributes, nid_messageType, s->request_type_str);
add_attribute_octet(attributes, nid_senderNonce, s->sender_nonce,
s->sender_nonce_len);
PKCS7_set_signed_attributes(si, attributes);
/* Add contentType */
if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data))) {
fprintf(stderr, "%s: error adding NID_pkcs9_contentType\n",
pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Create new content */
if (!PKCS7_content_new(s->request_p7, NID_pkcs7_data)) {
fprintf(stderr, "%s: failed setting PKCS#7 content type\n",
pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
/* Write data */
pkcs7bio = PKCS7_dataInit(s->request_p7, NULL);
if (pkcs7bio == NULL) {
fprintf(stderr, "%s: error opening bio for writing PKCS#7 "
"data\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (len != BIO_write(pkcs7bio, buffer, len)) {
fprintf(stderr, "%s: error writing PKCS#7 data\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (v_flag)
printf("%s: PKCS#7 data written successfully\n", pname);
/* Finalize PKCS#7 */
if (!PKCS7_dataFinal(s->request_p7, pkcs7bio)) {
fprintf(stderr, "%s: error finalizing outer PKCS#7\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_P7);
}
if (d_flag) {
printf("%s: printing PEM fomatted PKCS#7\n", pname);
PEM_write_PKCS7(stdout, s->request_p7);
}
/* base64-encode the data */
if (v_flag)
printf("%s: applying base64 encoding\n",pname);
/* Create base64 filtering bio */
memorybio = BIO_new(BIO_s_mem());
base64bio = BIO_new(BIO_f_base64());
outbio = BIO_push(base64bio, memorybio);
/* Copy PKCS#7 */
i2d_PKCS7_bio(outbio, s->request_p7);
BIO_flush(outbio);
BIO_set_flags(memorybio, BIO_FLAGS_MEM_RDONLY);
s->request_len = BIO_get_mem_data(memorybio, &s->request_payload);
if (v_flag)
printf("%s: base64 encoded payload size: %d bytes\n",
pname, s->request_len);
BIO_free(outbio);
return (0);
}
int SCEP_MSG_print( BIO *bio, SCEP_MSG *msg, EVP_PKEY *pkey, X509 *cert ) {
char buffer[1024];
unsigned char *data;
BIO_printf( bio, "SCEP Message:\n" );
BIO_printf( bio, " Message Type: %s (%d)\n",
SCEP_type2str(msg->messageType), msg->messageType );
BIO_printf( bio, " Signed Data:\n" );
BIO_printf( bio, " Signer Info:\n" );
if (msg->signer_cert == NULL) {
BIO_printf(bio, " Serial Number: %s\n",
BN_bn2hex(ASN1_INTEGER_to_BN(msg->signer_ias->serial, NULL)));
BIO_printf(bio, " Issuer: ");
X509_NAME_print_ex (bio, msg->signer_ias->issuer,
0, XN_FLAG_RFC2253&(~ASN1_STRFLGS_ESC_MSB));
BIO_printf(bio, "\n");
} else {
X509 *sigcert;
sigcert = msg->signer_cert;
if( X509_NAME_cmp( X509_get_subject_name(sigcert),
X509_get_issuer_name(sigcert) ) ) {
BIO_printf(bio, " Serial Number: %s\n",
BN_bn2hex(ASN1_INTEGER_to_BN(
msg->signer_cert->cert_info->serialNumber, NULL)));
} else {
/* Silly Serial Number */
BIO_printf(bio, " Serial Number: %s\n", "0x0 (fake)" );
}
BIO_printf(bio, " Subject: ");
X509_NAME_print_ex (bio, X509_get_subject_name(msg->signer_cert),
0, XN_FLAG_RFC2253&(~ASN1_STRFLGS_ESC_MSB));
BIO_printf(bio, "\n");
BIO_printf(bio, " Issuer: ");
X509_NAME_print_ex (bio, X509_get_issuer_name(msg->signer_cert),
0, XN_FLAG_RFC2253&(~ASN1_STRFLGS_ESC_MSB));
BIO_printf(bio, "\n");
}
BIO_printf( bio, " Signed Attributes:\n" );
if( data = SCEP_get_string_attr_by_name( msg->attrs, "messageType")) {
BIO_printf(bio, " Message Type:\n"
" %s\n", data );
free(data);
}
if( data = SCEP_get_string_attr_by_name( msg->attrs, "transId" )) {
BIO_printf(bio, " Transaction ID:\n"
" %s\n", data );
free(data);
}
if( data = SCEP_get_string_attr_by_name( msg->attrs, "pkiStatus" )) {
BIO_printf(bio, " PKI Status:\n"
" %s\n", data );
free(data);
}
if( data = SCEP_get_string_attr_by_name( msg->attrs, "failInfo" )) {
BIO_printf(bio, " Fail Info:\n"
" %s\n", data );
free(data);
}
if( data = SCEP_get_string_attr_by_name( msg->attrs, "proxyAuthenticator" )) {
BIO_printf(bio, " Proxy Authenticator:\n"
" %s\n", data );
free(data);
}
if( data = SCEP_get_octect_attr_by_name( msg->attrs, "senderNonce", NULL )) {
BIO_printf(bio, " Sender Nonce:\n"
" %s\n",
SCEP_MSG_sender_nonce2hex( msg ));
free(data);
}
if( data = SCEP_get_octect_attr_by_name( msg->attrs, "recipientNonce", NULL )) {
BIO_printf(bio, " Recipient Nonce:\n"
" %s\n",
SCEP_MSG_recipient_nonce2hex( msg ));
free(data);
}
if( msg->env_data.p7env )
BIO_printf( bio, " Enveloped Data:\n" );
/*
if( msg->env_data.algor ) {
BIO_printf( bio, " Encryption Algorithm: ");
i2a_ASN1_OBJECT(bio, msg->env_data.algor->algorithm);
BIO_printf( bio, "\n");
}
*/
if( msg->env_data.recip_info.ias ) {
BIO_printf( bio, " Recipient Info:\n" );
BIO_printf(bio, " Serial Number: 0x%s (%s)\n",
BN_bn2hex(ASN1_INTEGER_to_BN(
msg->env_data.recip_info.ias->serial, NULL)),
BN_bn2dec(ASN1_INTEGER_to_BN(
msg->env_data.recip_info.ias->serial, NULL)));
BIO_printf(bio, " Issuer: ");
X509_NAME_print_ex (bio, msg->env_data.recip_info.ias->issuer,
0, XN_FLAG_RFC2253&(~ASN1_STRFLGS_ESC_MSB));
BIO_printf(bio, "\n");
}
if( pkey ) {
unsigned char *data=NULL;
long len = 0;
data = (unsigned char *) SCEP_MSG_decrypt( msg, pkey,
cert, &len);
if( data ) {
int i;
char buf[1024];
switch ( msg->messageType ) {
case MSG_GETCRL:
case MSG_GETCERT:
/* Print the issuer 'n serial */
BIO_printf( bio,
" Issuer and Serial:\n");
BIO_printf( bio, " Issuer: ");
X509_NAME_print_ex (bio, msg->env_data.content.ias->issuer,
0, XN_FLAG_RFC2253&(~ASN1_STRFLGS_ESC_MSB));
BIO_printf( bio, "\n Serial: 0x");
i2a_ASN1_INTEGER( bio, msg->env_data.content.ias->serial );
BIO_printf( bio, "\n");
break;
default:
BIO_printf( bio, " Decrypted Data:");
for (i=0; i<len; i++) {
if ((i%18) == 0)
if (BIO_write(bio, "\n ",
13) <= 0) return 0;
if (BIO_printf(bio,"%02x%s",
data[i], ((i+1) == len)?"":":") <= 0) return 0;
}
if (BIO_write(bio,"\n",1) != 1) return 0;
free( data );
break;
}
}
} else {
BIO *p7bio = NULL;
unsigned char buffer[1024];
long len = 0;
int i;
BIO_printf( bio, " Encrypted Bytes (DER):");
p7bio = BIO_new(BIO_s_mem());
if ( msg->env_data.p7env )
i = i2d_PKCS7_bio( p7bio, msg->env_data.p7env );
else
return 1;
if( i == 0 ) {
BIO_printf( bio, "cannot write data to mem bio\n");
goto err;
}
for (;;) {
len = BIO_read(p7bio, buffer, sizeof(buffer));
if (len <= 0) break;
for (i=0; i<len; i++) {
if ((i%18) == 0)
if (BIO_write(bio,"\n ",13) <= 0)
return 0;
if (BIO_printf(bio,"%02x%s",buffer[i],
((i+1) == len)?"":":") <= 0) return 0;
}
if (BIO_write(bio,"\n",1) != 1) return 0;
}
if (p7bio) BIO_free ( p7bio );
}
return 1;
err:
return 0;
}
/*
* Wrap data in PKCS#7 envelopes and base64-encode the result.
* Data is PKCS#10 request in PKCSReq, or pkcs7_issuer_and_subject
* structure in GetCertInitial and PKCS7_ISSUER_AND_SERIAL in
* GetCert and GETCrl.
*/
int pkcs7_wrap(struct scep *s, struct sscep_ctx *ctx, struct sscep_operation_info *op_info)
{
BIO *databio = NULL;
BIO *encbio = NULL;
BIO *pkcs7bio = NULL;
BIO *memorybio = NULL;
BIO *outbio = NULL;
unsigned char *buffer = NULL;
int len = 0;
STACK_OF(X509) *recipients = NULL;
PKCS7 *p7enc = NULL;
PKCS7_SIGNER_INFO *si;
STACK_OF(X509_ATTRIBUTE) *attributes;
X509 *signercert = NULL;
EVP_PKEY *signerkey = NULL;
int ret = SCEP_PKISTATUS_P7;
char *payload = NULL;
int payload_len;
/* Create a new sender nonce for all messages
* XXXXXXXXXXXXXX should it be per transaction? */
s->sender_nonce_len = 16;
free(s->sender_nonce);/* Clean up from previous runs */
s->sender_nonce = (char *)malloc(s->sender_nonce_len * sizeof(char));
RAND_bytes((unsigned char *) s->sender_nonce, s->sender_nonce_len);
/* Prepare data payload */
switch (s->request_type) {
case SCEP_REQUEST_PKCSREQ:
/*
* Set printable message type
* We set this later as an autheticated attribute
* "messageType".
*/
s->request_type_str = SCEP_REQUEST_PKCSREQ_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Create inner PKCS#7 */
if (ctx->verbose){
qeo_log_i("creating inner PKCS#7");
}
/* Read request in memory bio */
databio = BIO_new(BIO_s_mem());
if (i2d_X509_REQ_bio(databio, op_info->request) <= 0) {
qeo_log_e("error writing certificate request in bio");
goto error;
}
(void)BIO_flush(databio);
break;
case SCEP_REQUEST_GETCERTINIT:
/* Set printable message type */
s->request_type_str = SCEP_REQUEST_GETCERTINIT_STR;
/* Signer cert */
signercert = s->signercert;
signerkey = s->signerkey;
/* Create inner PKCS#7 */
if (ctx->verbose){
qeo_log_i("creating inner PKCS#7");
}
/* Read data in memory bio */
databio = BIO_new(BIO_s_mem());
if (i2d_pkcs7_issuer_and_subject_bio(databio, s->ias_getcertinit)) {
qeo_log_e("error writing GetCertInitial data in bio");
goto error;
}
(void)BIO_flush(databio);
break;
}
/* Below this is the common code for all request_type */
/* Read in the payload */
payload_len = BIO_get_mem_data(databio, &payload);
if (ctx->verbose){
qeo_log_i("data payload size: %d bytes", payload_len);
}
/* Create encryption certificate stack */
if ((recipients = sk_X509_new(NULL) ) == NULL) {
qeo_log_e("error creating certificate stack");
goto error;
}
if (sk_X509_push(recipients, op_info->racert) <= 0) {
qeo_log_e("error adding recipient encryption certificate");
goto error;
}
/* Create BIO for encryption */
if ((encbio = BIO_new_mem_buf(payload, payload_len)) == NULL ) {
qeo_log_e("error creating data bio");
goto error;
}
/* Encrypt */
if (!(p7enc = PKCS7_encrypt(recipients, encbio, ctx->enc_alg, PKCS7_BINARY))) {
qeo_log_e("request payload encrypt failed");
goto error;
}
if (ctx->verbose){
qeo_log_i("successfully encrypted payload");
}
/* Write encrypted data */
memorybio = BIO_new(BIO_s_mem());
if (i2d_PKCS7_bio(memorybio, p7enc) <= 0) {
qeo_log_e("error writing encrypted data");
goto error;
}
(void)BIO_flush(memorybio);
BIO_set_flags(memorybio, BIO_FLAGS_MEM_RDONLY);
len = BIO_get_mem_data(memorybio, &buffer);
BIO_free(memorybio);
memorybio=NULL;
if (ctx->verbose){
qeo_log_i("envelope size: %d bytes", len);
}
if (ctx->debug) {
qeo_log_i("printing PEM fomatted PKCS#7");
PEM_write_PKCS7(stdout, p7enc);
}
/* Create outer PKCS#7 */
if (ctx->verbose){
qeo_log_i("creating outer PKCS#7");
}
s->request_p7 = PKCS7_new();
if (s->request_p7 == NULL ) {
qeo_log_e("failed creating PKCS#7 for signing");
goto error;
}
if (!PKCS7_set_type(s->request_p7, NID_pkcs7_signed)) {
qeo_log_e("failed setting PKCS#7 type");
goto error;
}
/* Add signer certificate and signature */
PKCS7_add_certificate(s->request_p7, signercert);
if ((si = PKCS7_add_signature(s->request_p7, signercert, signerkey, ctx->sig_alg)) == NULL ) {
qeo_log_e("error adding PKCS#7 signature");
goto error;
}
if (ctx->verbose){
qeo_log_i("signature added successfully");
}
/* Set signed attributes */
if (ctx->verbose){
qeo_log_i("adding signed attributes");
}
attributes = sk_X509_ATTRIBUTE_new_null();
add_attribute_string(attributes, ctx->nid_transId, s->transaction_id, ctx);
add_attribute_string(attributes, ctx->nid_messageType, s->request_type_str, ctx);
add_attribute_octet(attributes, ctx->nid_senderNonce, s->sender_nonce, s->sender_nonce_len, ctx);
PKCS7_set_signed_attributes(si, attributes);
sk_X509_ATTRIBUTE_pop_free(attributes, X509_ATTRIBUTE_free);
/* Add contentType */
if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType, V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data))) {
qeo_log_e("error adding NID_pkcs9_contentType");
goto error;
}
/* Create new content */
if (!PKCS7_content_new(s->request_p7, NID_pkcs7_data)) {
qeo_log_e("failed setting PKCS#7 content type");
goto error;
}
/* Write data */
pkcs7bio = PKCS7_dataInit(s->request_p7, NULL );
if (pkcs7bio == NULL ) {
qeo_log_e("error opening bio for writing PKCS#7 data");
goto error;
}
if (len != BIO_write(pkcs7bio, buffer, len)) {
qeo_log_e("error writing PKCS#7 data");
goto error;
}
if (ctx->verbose){
qeo_log_i("PKCS#7 data written successfully");
}
/* Finalize PKCS#7 */
if (!PKCS7_dataFinal(s->request_p7, pkcs7bio)) {
qeo_log_e("error finalizing outer PKCS#7");
goto error;
}
if (ctx->debug) {
qeo_log_i("printing PEM fomatted PKCS#7");
PEM_write_PKCS7(stdout, s->request_p7);
}
/* base64-encode the data */
if (ctx->verbose){
qeo_log_i("applying base64 encoding");
}
/* Create base64 filtering bio */
memorybio = BIO_new(BIO_s_mem());
outbio = BIO_push(BIO_new(BIO_f_base64()), memorybio);
/* Copy PKCS#7 */
i2d_PKCS7_bio(outbio, s->request_p7);
(void)BIO_flush(outbio);
payload_len = BIO_get_mem_data(memorybio, &payload);
s->request_payload = (char*) malloc(sizeof(char)*payload_len);
if (!s->request_payload){
goto error;
}
s->request_len = payload_len;
memcpy(s->request_payload, payload, s->request_len);
if (ctx->verbose){
qeo_log_i("base64 encoded payload size: %d bytes", payload_len);
}
ret = 0;
error:
BIO_free(databio);
BIO_free(encbio);
BIO_free_all(pkcs7bio);
BIO_free(memorybio);
BIO_free(outbio);
if (recipients != NULL){
sk_X509_free(recipients);/* Only free the stack, not the certificates */
}
PKCS7_free(p7enc);
OPENSSL_free(buffer);
return ret;
}
static void
sign(X509 *cert, EVP_PKEY *key, int pipefd)
{
PKCS7 *pkcs7;
BIO *bio, *out;
const EVP_MD *md;
PKCS7_SIGNER_INFO *info;
void *digest, *signature;
size_t digest_len, signature_len;
int ok;
assert(cert != NULL);
assert(key != NULL);
receive_chunk(&digest, &digest_len, pipefd);
bio = BIO_new_mem_buf(digest, digest_len);
if (bio == NULL) {
ERR_print_errors_fp(stderr);
errx(1, "BIO_new_mem_buf(3) failed");
}
pkcs7 = PKCS7_sign(NULL, NULL, NULL, bio, PKCS7_BINARY | PKCS7_PARTIAL);
if (pkcs7 == NULL) {
ERR_print_errors_fp(stderr);
errx(1, "PKCS7_sign(3) failed");
}
md = EVP_get_digestbyname(DIGEST);
if (md == NULL) {
ERR_print_errors_fp(stderr);
errx(1, "EVP_get_digestbyname(\"%s\") failed", DIGEST);
}
info = PKCS7_sign_add_signer(pkcs7, cert, key, md, 0);
if (info == NULL) {
ERR_print_errors_fp(stderr);
errx(1, "PKCS7_sign_add_signer(3) failed");
}
/*
* XXX: All the signed binaries seem to have this, but where is it
* described in the spec?
*/
PKCS7_add_signed_attribute(info, NID_pkcs9_contentType,
V_ASN1_OBJECT, OBJ_txt2obj("1.3.6.1.4.1.311.2.1.4", 1));
magic(pkcs7, digest, digest_len);
#if 0
out = BIO_new(BIO_s_file());
BIO_set_fp(out, stdout, BIO_NOCLOSE);
PKCS7_print_ctx(out, pkcs7, 0, NULL);
i2d_PKCS7_bio(out, pkcs7);
#endif
out = BIO_new(BIO_s_mem());
if (out == NULL) {
ERR_print_errors_fp(stderr);
errx(1, "BIO_new(3) failed");
}
ok = i2d_PKCS7_bio(out, pkcs7);
if (ok == 0) {
ERR_print_errors_fp(stderr);
errx(1, "i2d_PKCS7_bio(3) failed");
}
signature_len = BIO_get_mem_data(out, &signature);
if (signature_len <= 0) {
ERR_print_errors_fp(stderr);
errx(1, "BIO_get_mem_data(3) failed");
}
(void)BIO_set_close(out, BIO_NOCLOSE);
BIO_free(out);
send_chunk(signature, signature_len, pipefd);
}
int MAIN(int argc, char **argv)
{
PKCS7 *p7=NULL;
int i,badops=0;
BIO *in=NULL,*out=NULL;
int informat,outformat;
char *infile,*outfile,*prog;
int print_certs=0,text=0,noout=0,p7_print=0;
int ret=1;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
apps_startup();
if (bio_err == NULL)
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,OPENSSL_TYPE__FILE_STDERR,BIO_NOCLOSE|BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto end;
infile=NULL;
outfile=NULL;
informat=FORMAT_PEM;
outformat=FORMAT_PEM;
prog=argv[0];
argc--;
argv++;
while (argc >= 1)
{
if (TINYCLR_SSL_STRCMP(*argv,"-inform") == 0)
{
if (--argc < 1) goto bad;
informat=str2fmt(*(++argv));
}
else if (TINYCLR_SSL_STRCMP(*argv,"-outform") == 0)
{
if (--argc < 1) goto bad;
outformat=str2fmt(*(++argv));
}
else if (TINYCLR_SSL_STRCMP(*argv,"-in") == 0)
{
if (--argc < 1) goto bad;
infile= *(++argv);
}
else if (TINYCLR_SSL_STRCMP(*argv,"-out") == 0)
{
if (--argc < 1) goto bad;
outfile= *(++argv);
}
else if (TINYCLR_SSL_STRCMP(*argv,"-noout") == 0)
noout=1;
else if (TINYCLR_SSL_STRCMP(*argv,"-text") == 0)
text=1;
else if (TINYCLR_SSL_STRCMP(*argv,"-print") == 0)
p7_print=1;
else if (TINYCLR_SSL_STRCMP(*argv,"-print_certs") == 0)
print_certs=1;
#ifndef OPENSSL_NO_ENGINE
else if (TINYCLR_SSL_STRCMP(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine= *(++argv);
}
#endif
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
badops=1;
break;
}
argc--;
argv++;
}
if (badops)
{
bad:
BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
BIO_printf(bio_err,"where options are\n");
BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
BIO_printf(bio_err," -in arg input file\n");
BIO_printf(bio_err," -out arg output file\n");
BIO_printf(bio_err," -print_certs print any certs or crl in the input\n");
BIO_printf(bio_err," -text print full details of certificates\n");
BIO_printf(bio_err," -noout don't output encoded data\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
#endif
ret = 1;
goto end;
}
ERR_load_crypto_strings();
#ifndef OPENSSL_NO_ENGINE
setup_engine(bio_err, engine, 0);
#endif
in=BIO_new(BIO_s_file());
out=BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL))
{
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in,OPENSSL_TYPE__FILE_STDIN,BIO_NOCLOSE);
else
{
if (BIO_read_filename(in,infile) <= 0)
if (in == NULL)
{
TINYCLR_SSL_PERROR(infile);
goto end;
}
}
if (informat == FORMAT_ASN1)
p7=d2i_PKCS7_bio(in,NULL);
else if (informat == FORMAT_PEM)
p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
else
{
BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
goto end;
}
if (p7 == NULL)
{
BIO_printf(bio_err,"unable to load PKCS7 object\n");
ERR_print_errors(bio_err);
goto end;
}
if (outfile == NULL)
{
BIO_set_fp(out,OPENSSL_TYPE__FILE_STDOUT,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
else
{
if (BIO_write_filename(out,outfile) <= 0)
{
TINYCLR_SSL_PERROR(outfile);
goto end;
}
}
if (p7_print)
PKCS7_print_ctx(out, p7, 0, NULL);
if (print_certs)
{
STACK_OF(X509) *certs=NULL;
STACK_OF(X509_CRL) *crls=NULL;
i=OBJ_obj2nid(p7->type);
switch (i)
{
case NID_pkcs7_signed:
certs=p7->d.sign->cert;
crls=p7->d.sign->crl;
break;
case NID_pkcs7_signedAndEnveloped:
certs=p7->d.signed_and_enveloped->cert;
crls=p7->d.signed_and_enveloped->crl;
break;
default:
break;
}
if (certs != NULL)
{
X509 *x;
for (i=0; i<sk_X509_num(certs); i++)
{
x=sk_X509_value(certs,i);
if(text) X509_print(out, x);
else dump_cert_text(out, x);
if(!noout) PEM_write_bio_X509(out,x);
BIO_puts(out,"\n");
}
}
if (crls != NULL)
{
X509_CRL *crl;
for (i=0; i<sk_X509_CRL_num(crls); i++)
{
crl=sk_X509_CRL_value(crls,i);
X509_CRL_print(out, crl);
if(!noout)PEM_write_bio_X509_CRL(out,crl);
BIO_puts(out,"\n");
}
}
ret=0;
goto end;
}
if(!noout) {
if (outformat == FORMAT_ASN1)
i=i2d_PKCS7_bio(out,p7);
else if (outformat == FORMAT_PEM)
i=PEM_write_bio_PKCS7(out,p7);
else {
BIO_printf(bio_err,"bad output format specified for outfile\n");
goto end;
}
if (!i)
{
BIO_printf(bio_err,"unable to write pkcs7 object\n");
ERR_print_errors(bio_err);
goto end;
}
}
ret=0;
end:
if (p7 != NULL) PKCS7_free(p7);
if (in != NULL) BIO_free(in);
if (out != NULL) BIO_free_all(out);
apps_shutdown();
OPENSSL_EXIT(ret);
}
int
pkcs7_main(int argc, char **argv)
{
PKCS7 *p7 = NULL;
BIO *in = NULL, *out = NULL;
int ret = 1;
int i;
memset(&pkcs7_config, 0, sizeof(pkcs7_config));
pkcs7_config.informat = FORMAT_PEM;
pkcs7_config.outformat = FORMAT_PEM;
if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
pkcs7_usage();
goto end;
}
#ifndef OPENSSL_NO_ENGINE
setup_engine(bio_err, pkcs7_config.engine, 0);
#endif
in = BIO_new(BIO_s_file());
out = BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL)) {
ERR_print_errors(bio_err);
goto end;
}
if (pkcs7_config.infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
perror(pkcs7_config.infile);
goto end;
}
}
if (pkcs7_config.informat == FORMAT_ASN1)
p7 = d2i_PKCS7_bio(in, NULL);
else if (pkcs7_config.informat == FORMAT_PEM)
p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
else {
BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
goto end;
}
if (p7 == NULL) {
BIO_printf(bio_err, "unable to load PKCS7 object\n");
ERR_print_errors(bio_err);
goto end;
}
if (pkcs7_config.outfile == NULL) {
BIO_set_fp(out, stdout, BIO_NOCLOSE);
} else {
if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
perror(pkcs7_config.outfile);
goto end;
}
}
if (pkcs7_config.p7_print)
PKCS7_print_ctx(out, p7, 0, NULL);
if (pkcs7_config.print_certs) {
STACK_OF(X509) * certs = NULL;
STACK_OF(X509_CRL) * crls = NULL;
i = OBJ_obj2nid(p7->type);
switch (i) {
case NID_pkcs7_signed:
certs = p7->d.sign->cert;
crls = p7->d.sign->crl;
break;
case NID_pkcs7_signedAndEnveloped:
certs = p7->d.signed_and_enveloped->cert;
crls = p7->d.signed_and_enveloped->crl;
break;
default:
break;
}
if (certs != NULL) {
X509 *x;
for (i = 0; i < sk_X509_num(certs); i++) {
x = sk_X509_value(certs, i);
if (pkcs7_config.text)
X509_print(out, x);
else
dump_cert_text(out, x);
if (!pkcs7_config.noout)
PEM_write_bio_X509(out, x);
BIO_puts(out, "\n");
}
}
if (crls != NULL) {
X509_CRL *crl;
for (i = 0; i < sk_X509_CRL_num(crls); i++) {
crl = sk_X509_CRL_value(crls, i);
X509_CRL_print(out, crl);
if (!pkcs7_config.noout)
PEM_write_bio_X509_CRL(out, crl);
BIO_puts(out, "\n");
}
}
ret = 0;
goto end;
}
if (!pkcs7_config.noout) {
if (pkcs7_config.outformat == FORMAT_ASN1)
i = i2d_PKCS7_bio(out, p7);
else if (pkcs7_config.outformat == FORMAT_PEM)
i = PEM_write_bio_PKCS7(out, p7);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
if (!i) {
BIO_printf(bio_err, "unable to write pkcs7 object\n");
ERR_print_errors(bio_err);
goto end;
}
}
ret = 0;
end:
if (p7 != NULL)
PKCS7_free(p7);
if (in != NULL)
BIO_free(in);
if (out != NULL)
BIO_free_all(out);
return (ret);
}
static int reply_command(CONF *conf, char *section, char *engine,
char *queryfile, char *passin, char *inkey,
const EVP_MD *md, char *signer, char *chain,
const char *policy, char *in, int token_in,
char *out, int token_out, int text)
{
int ret = 0;
TS_RESP *response = NULL;
BIO *in_bio = NULL;
BIO *query_bio = NULL;
BIO *inkey_bio = NULL;
BIO *signer_bio = NULL;
BIO *out_bio = NULL;
if (in != NULL) {
if ((in_bio = BIO_new_file(in, "rb")) == NULL)
goto end;
if (token_in) {
response = read_PKCS7(in_bio);
} else {
response = d2i_TS_RESP_bio(in_bio, NULL);
}
} else {
response = create_response(conf, section, engine, queryfile,
passin, inkey, md, signer, chain, policy);
if (response)
BIO_printf(bio_err, "Response has been generated.\n");
else
BIO_printf(bio_err, "Response is not generated.\n");
}
if (response == NULL)
goto end;
/* Write response. */
if (text) {
if ((out_bio = bio_open_default(out, 'w', FORMAT_TEXT)) == NULL)
goto end;
if (token_out) {
TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
if (!TS_TST_INFO_print_bio(out_bio, tst_info))
goto end;
} else {
if (!TS_RESP_print_bio(out_bio, response))
goto end;
}
} else {
if ((out_bio = bio_open_default(out, 'w', FORMAT_ASN1)) == NULL)
goto end;
if (token_out) {
PKCS7 *token = TS_RESP_get_token(response);
if (!i2d_PKCS7_bio(out_bio, token))
goto end;
} else {
if (!i2d_TS_RESP_bio(out_bio, response))
goto end;
}
}
ret = 1;
end:
ERR_print_errors(bio_err);
BIO_free_all(in_bio);
BIO_free_all(query_bio);
BIO_free_all(inkey_bio);
BIO_free_all(signer_bio);
BIO_free_all(out_bio);
TS_RESP_free(response);
return ret;
}
int MAIN(int argc, char **argv)
{
int i, badops = 0;
BIO *in = NULL, *out = NULL;
int informat, outformat;
char *infile, *outfile, *prog, *certfile;
PKCS7 *p7 = NULL;
PKCS7_SIGNED *p7s = NULL;
X509_CRL *crl = NULL;
STACK_OF(OPENSSL_STRING) *certflst = NULL;
STACK_OF(X509_CRL) *crl_stack = NULL;
STACK_OF(X509) *cert_stack = NULL;
int ret = 1, nocrl = 0;
apps_startup();
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
infile = NULL;
outfile = NULL;
informat = FORMAT_PEM;
outformat = FORMAT_PEM;
prog = argv[0];
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-inform") == 0) {
if (--argc < 1)
goto bad;
informat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-outform") == 0) {
if (--argc < 1)
goto bad;
outformat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-in") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
} else if (strcmp(*argv, "-nocrl") == 0) {
nocrl = 1;
} else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
} else if (strcmp(*argv, "-certfile") == 0) {
if (--argc < 1)
goto bad;
if (!certflst)
certflst = sk_OPENSSL_STRING_new_null();
if (!certflst)
goto end;
if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
sk_OPENSSL_STRING_free(certflst);
goto end;
}
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badops = 1;
break;
}
argc--;
argv++;
}
if (badops) {
bad:
BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
BIO_printf(bio_err, "where options are\n");
BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
BIO_printf(bio_err, " -in arg input file\n");
BIO_printf(bio_err, " -out arg output file\n");
BIO_printf(bio_err,
" -certfile arg certificates file of chain to a trusted CA\n");
BIO_printf(bio_err, " (can be used more than once)\n");
BIO_printf(bio_err,
" -nocrl no crl to load, just certs from '-certfile'\n");
ret = 1;
goto end;
}
ERR_load_crypto_strings();
in = BIO_new(BIO_s_file());
out = BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL)) {
ERR_print_errors(bio_err);
goto end;
}
if (!nocrl) {
if (infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
goto end;
}
}
if (informat == FORMAT_ASN1)
crl = d2i_X509_CRL_bio(in, NULL);
else if (informat == FORMAT_PEM)
crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
else {
BIO_printf(bio_err, "bad input format specified for input crl\n");
goto end;
}
if (crl == NULL) {
BIO_printf(bio_err, "unable to load CRL\n");
ERR_print_errors(bio_err);
goto end;
}
}
if ((p7 = PKCS7_new()) == NULL)
goto end;
if ((p7s = PKCS7_SIGNED_new()) == NULL)
goto end;
p7->type = OBJ_nid2obj(NID_pkcs7_signed);
p7->d.sign = p7s;
p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
if (!ASN1_INTEGER_set(p7s->version, 1))
goto end;
if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
goto end;
p7s->crl = crl_stack;
if (crl != NULL) {
sk_X509_CRL_push(crl_stack, crl);
crl = NULL; /* now part of p7 for OPENSSL_freeing */
}
if ((cert_stack = sk_X509_new_null()) == NULL)
goto end;
p7s->cert = cert_stack;
if (certflst)
for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
certfile = sk_OPENSSL_STRING_value(certflst, i);
if (add_certs_from_file(cert_stack, certfile) < 0) {
BIO_printf(bio_err, "error loading certificates\n");
ERR_print_errors(bio_err);
goto end;
}
}
sk_OPENSSL_STRING_free(certflst);
if (outfile == NULL) {
BIO_set_fp(out, stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
} else {
if (BIO_write_filename(out, outfile) <= 0) {
perror(outfile);
goto end;
}
}
if (outformat == FORMAT_ASN1)
i = i2d_PKCS7_bio(out, p7);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_PKCS7(out, p7);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
if (!i) {
BIO_printf(bio_err, "unable to write pkcs7 object\n");
ERR_print_errors(bio_err);
goto end;
}
ret = 0;
end:
if (in != NULL)
BIO_free(in);
if (out != NULL)
BIO_free_all(out);
if (p7 != NULL)
PKCS7_free(p7);
if (crl != NULL)
X509_CRL_free(crl);
apps_shutdown();
OPENSSL_EXIT(ret);
}
int SCEP_MSG_encrypt( SCEP_MSG *msg, X509 *recip_cert, EVP_CIPHER cipher ) {
BIO *inbio = NULL;
int ret = 0;
int len = 0;
BIO *debug_bio = NULL;
if ((debug_bio=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(debug_bio,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
// printf("%s:%d Debug... *** ENCRYPT ***\n", __FILE__, __LINE__ );
/* Create the stack of the recipient(s) certificate(s) */
if( recip_cert ) {
STACK_OF(X509) *sk = NULL;
if((sk = sk_X509_new(NULL)) == NULL) goto err;
sk_X509_push( sk, recip_cert );
msg->env_data.recip_info.sk_recip_certs = sk;
} else {
return 0;
}
inbio = BIO_new ( BIO_s_mem());
/* Any message type has different data to be encrypted
* and checks to be done */
switch ( msg->messageType ) {
case MSG_PKCSREQ:
/* There must be a request added to the msg */
if(! msg->env_data.content.req ) goto err;
/* Write the request to the inbio */
if( i2d_X509_REQ_bio( inbio, msg->env_data.content.req ) <= 0)
goto err;
break;
case MSG_GETCRL:
case MSG_GETCERT:
if( !msg->env_data.content.ias ) goto err;
len = i2d_PKCS7_ias_bio( inbio, msg->env_data.content.ias);
if( len <= 0 ) goto err;
break;
case MSG_CERTREP:
// printf("%s:%d: Debug ... Case: MSG_CERTREP\n",
// __FILE__, __LINE__ );
/* if ( msg->env_data.content.issued_cert ) {
len = i2d_X509_bio ( inbio,
msg->env_data.content.issued_cert );
}
*/
if ( msg->env_data.p7 )
len = i2d_PKCS7_bio( inbio, msg->env_data.p7 );
break;
default:
printf("%s:%d Unsupported MessageType %d (%s)\n",
__FILE__, __LINE__, msg->messageType,
SCEP_type2str(msg->messageType) );
}
BIO_flush( inbio );
BIO_set_flags( inbio, BIO_FLAGS_MEM_RDONLY );
/* Check for the recipients certs presence */
if( !msg->env_data.recip_info.sk_recip_certs ) goto err;
/* If already present an encoded pkcs7, let's free */
if( msg->env_data.p7env )
PKCS7_free( msg->env_data.p7env );
/* Encrypt Data */
msg->env_data.p7env = PKCS7_encrypt(
msg->env_data.recip_info.sk_recip_certs,
inbio, &cipher, PKCS7_BINARY );
ERR_clear_error();
/* If an error occourred pkcs7 is empty */
if( msg->env_data.p7env == NULL ) goto err;
ret = 1;
err:
if (inbio) BIO_free( inbio );
return ret;
}
