/
command.c
1708 lines (1468 loc) · 32.9 KB
/
command.c
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/*
* Copyright (c) 2006-2007 Zeljko Vrba <zvrba@globalnet.hr>
* Copyright (c) 2006-2011 Alon Bar-Lev <alon.barlev@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* o Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* o Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "common.h"
#include <pkcs11-helper-1.0/pkcs11h-certificate.h>
#include "command.h"
#include "scdaemon.h"
#include "encoding.h"
#include "keyutil.h"
#define _M2S(x) #x
#define M2S(x) _M2S(x)
#define OPENPGP_SERIAL "D2760001240111111111111111111111"
#define OPENPGP_SIGN 1
#define OPENPGP_ENCR 2
#define OPENPGP_AUTH 3
/**
@file
Implementation of assuan commands. Currently, only one card is supported,
and the first one seen is used.
In GnuPG, Certificate has both an ID and an associated keypar (identified
by keygrip). All of these IDs are exchanged in hex-encoded form. We use
displayName given by pkcs11helper (which is actually OpenSSL formatted DN
from the certificate) as the certificate ID.
*/
static
gpg_err_code_t
get_cert_blob (
assuan_context_t ctx,
pkcs11h_certificate_id_t cert_id,
unsigned char **p_blob,
size_t *p_blob_size
) {
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_t cert = NULL;
unsigned char *blob = NULL;
size_t blob_size;
*p_blob = NULL;
*p_blob_size = 0;
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_create (
cert_id,
ctx,
PKCS11H_PROMPT_MASK_ALLOW_ALL,
PKCS11H_PIN_CACHE_INFINITE,
&cert
)
)) != GPG_ERR_NO_ERROR ||
(error = common_map_pkcs11_error (
pkcs11h_certificate_getCertificateBlob (
cert,
NULL,
&blob_size
)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
if ((blob = (unsigned char *)malloc (blob_size)) == NULL) {
error = GPG_ERR_ENOMEM;
goto cleanup;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_getCertificateBlob (
cert,
blob,
&blob_size
)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
*p_blob = blob;
*p_blob_size = blob_size;
blob = NULL;
error = GPG_ERR_NO_ERROR;
cleanup:
if (cert != NULL) {
pkcs11h_certificate_freeCertificate (cert);
cert = NULL;
}
if (blob != NULL) {
free (blob);
blob = NULL;
}
return error;
}
static
gpg_err_code_t
get_cert_sexp (
assuan_context_t ctx,
pkcs11h_certificate_id_t cert_id,
gcry_sexp_t *p_sexp
) {
gpg_err_code_t error = GPG_ERR_GENERAL;
gcry_sexp_t sexp = NULL;
unsigned char *blob = NULL;
size_t blob_size;
*p_sexp = NULL;
if (
(error = get_cert_blob (ctx, cert_id, &blob, &blob_size)) != GPG_ERR_NO_ERROR ||
(error = keyutil_get_cert_sexp (blob, blob_size, &sexp)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
*p_sexp = sexp;
sexp = NULL;
error = GPG_ERR_NO_ERROR;
cleanup:
if (sexp != NULL) {
gcry_sexp_release(sexp);
sexp = NULL;
}
if (blob != NULL) {
free (blob);
blob = NULL;
}
return error;
}
/**
Send status lines in the format
S KEYPAIRINFO <hexstring_with_keygrip> <hexstring_with_id>
S CERTINFO <certtype> <hexstring_with_id>
If certificate is issuer, we set type to 102 (useful); otherwise it is
assumed that we're in posession of private key, so the type is set to 101
(trusted). The certificate ID is percent-plus escaped displayName.
*/
static
int
send_certificate_list (
assuan_context_t ctx,
pkcs11h_certificate_id_list_t head, /* list head */
int is_issuer /* true if issuer certificate */
) {
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_id_list_t curr_cert;
for (
curr_cert = head;
curr_cert != NULL;
curr_cert = curr_cert->next
) {
char *certid = NULL;
char *key_hexgrip = NULL;
char *keypairinfo = NULL;
char *gpginfo = NULL;
char *info_cert = NULL;
gcry_sexp_t sexp = NULL;
size_t ser_len;
char *key_prefix = NULL;
char *nameinfo = NULL;
if ((error = get_cert_sexp (ctx, curr_cert->certificate_id, &sexp)) != GPG_ERR_NO_ERROR) {
goto retry;
}
if ((key_hexgrip = keyutil_get_cert_hexgrip (sexp)) == NULL) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_serializeCertificateId (
NULL,
&ser_len,
curr_cert->certificate_id
)
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
if ((certid = (char *)malloc (ser_len)) == NULL ) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_serializeCertificateId (
certid,
&ser_len,
curr_cert->certificate_id
)
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
if ((info_cert = strdup (is_issuer ? "102 " : "101 ")) == NULL) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (!encoding_strappend (&info_cert, certid)) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
data->config->openpgp_sign != NULL &&
!strcmp (data->config->openpgp_sign, key_hexgrip)
) {
key_prefix = M2S(OPENPGP_SIGN) " ";
}
if (
data->config->openpgp_encr != NULL &&
!strcmp (data->config->openpgp_encr, key_hexgrip)
) {
key_prefix = M2S(OPENPGP_ENCR) " ";
}
if (
data->config->openpgp_auth != NULL &&
!strcmp (data->config->openpgp_auth, key_hexgrip)
) {
key_prefix = M2S(OPENPGP_AUTH) " ";
}
if (
(nameinfo = strdup (key_hexgrip)) == NULL ||
!encoding_strappend (&nameinfo, " ") ||
!encoding_strappend (&nameinfo, curr_cert->certificate_id->displayName)
) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = assuan_write_status (
ctx,
"KEY-FRIEDNLY",
nameinfo
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
if (key_prefix != NULL) {
if (
(gpginfo = strdup (key_prefix)) == NULL ||
!encoding_strappend (&gpginfo, key_hexgrip)
) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = assuan_write_status (
ctx,
"KEY-FPR",
gpginfo
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
}
if (
!data->config->emulate_openpgp &&
(error = assuan_write_status (
ctx,
"CERTINFO",
info_cert
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
/* send keypairinfo if not issuer certificate */
if(!is_issuer) {
if (
(keypairinfo = strdup (key_hexgrip)) == NULL ||
!encoding_strappend (&keypairinfo, " ") ||
!encoding_strappend (&keypairinfo, certid)
) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = assuan_write_status (
ctx,
"KEYPAIRINFO",
keypairinfo
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
}
error = GPG_ERR_NO_ERROR;
retry:
if (info_cert != NULL) {
free (info_cert);
info_cert = NULL;
}
if (certid != NULL) {
free (certid);
certid = NULL;
}
if (key_hexgrip != NULL) {
free (key_hexgrip);
key_hexgrip = NULL;
}
if (keypairinfo != NULL) {
free (keypairinfo);
keypairinfo = NULL;
}
if (gpginfo != NULL) {
free (gpginfo);
gpginfo = NULL;
}
if (nameinfo != NULL) {
free (nameinfo);
nameinfo = NULL;
}
if (error != GPG_ERR_NO_ERROR) {
goto cleanup;
}
}
error = GPG_ERR_NO_ERROR;
cleanup:
return error;
}
int _get_certificate_by_type (assuan_context_t ctx, int type, pkcs11h_certificate_id_t *p_cert_id, char **p_key) {
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
gpg_err_code_t error = GPG_ERR_BAD_KEY;
pkcs11h_certificate_id_list_t user_certificates = NULL;
pkcs11h_certificate_id_list_t curr_cert;
pkcs11h_certificate_id_t cert_id = NULL;
char *key_hexgrip = NULL;
gcry_sexp_t sexp = NULL;
char *key = NULL;
int found = 0;
*p_cert_id = NULL;
if (p_key != NULL) {
*p_key = NULL;
}
switch (type) {
case OPENPGP_SIGN:
key = data->config->openpgp_sign;
break;
case OPENPGP_ENCR:
key = data->config->openpgp_encr;
break;
case OPENPGP_AUTH:
key = data->config->openpgp_auth;
break;
default:
goto cleanup;
}
if (key == NULL) {
goto cleanup;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_enumCertificateIds (
PKCS11H_ENUM_METHOD_CACHE_EXIST,
ctx,
PKCS11H_PROMPT_MASK_ALLOW_ALL,
NULL,
&user_certificates
)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
for (
curr_cert = user_certificates;
curr_cert != NULL && !found;
curr_cert = curr_cert->next
) {
if ((error = get_cert_sexp (ctx, curr_cert->certificate_id, &sexp)) != GPG_ERR_NO_ERROR) {
goto cleanup;
}
if ((key_hexgrip = keyutil_get_cert_hexgrip (sexp)) == NULL) {
error = GPG_ERR_ENOMEM;
goto cleanup;
}
if (!strcmp (key_hexgrip, key)) {
found = 1;
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_duplicateCertificateId (
&cert_id,
curr_cert->certificate_id
)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
}
}
if (!found) {
goto cleanup;
}
*p_cert_id = cert_id;
cert_id = NULL;
if (p_key != NULL) {
*p_key = key;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (sexp != NULL) {
gcry_sexp_release(sexp);
sexp = NULL;
}
if (key_hexgrip != NULL) {
free (key_hexgrip);
key_hexgrip = NULL;
}
if (user_certificates != NULL) {
pkcs11h_certificate_freeCertificateIdList (user_certificates);
user_certificates = NULL;
}
if (cert_id != NULL) {
pkcs11h_certificate_freeCertificateId (cert_id);
cert_id = NULL;
}
return error;
}
void cmd_free_data (assuan_context_t ctx) {
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
if (data->data != NULL) {
free (data->data);
data->data = NULL;
data->size = 0;
}
}
gpg_error_t cmd_null (assuan_context_t ctx, char *line)
{
(void)ctx;
(void)line;
return gpg_error (GPG_ERR_NO_ERROR);
}
/**
Returns the card serial number and internally enumerates all certificates.
This function MUST be called before any other operation with the card.
*/
gpg_error_t cmd_serialno (assuan_context_t ctx, char *line)
{
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
gpg_err_code_t error = GPG_ERR_GENERAL;
#if defined(COMMENT)
pkcs11h_token_id_list_t list = NULL;
pkcs11h_token_id_list_t i;
#endif
(void)line;
/*
* @ALON
* I am amazed!!!!
*
* gpg-agent does not support more than one serial number!!!
* it does not matter anyhow, since we go by certificate_id
* but still... it is stupid!
*/
{
char *serial_and_stamp = NULL;
if (serial_and_stamp == NULL && strcmp (line, "openpgp") == 0) {
serial_and_stamp = strdup (OPENPGP_SERIAL);
}
if (serial_and_stamp == NULL && data->config->emulate_openpgp) {
serial_and_stamp = strdup (OPENPGP_SERIAL);
}
if (serial_and_stamp == NULL) {
char *ser_token = "PKCS#11 TOKEN";
/*
* serial number has to be hex-encoded data,
* followed by " 0"
*/
if (
(serial_and_stamp = encoding_bin2hex (
(unsigned char *)ser_token,
strlen (ser_token)
)) == NULL
) {
error = GPG_ERR_GENERAL;
goto cleanup;
}
}
if (!encoding_strappend (&serial_and_stamp, " 0")) {
error = GPG_ERR_ENOMEM;
goto cleanup;
}
if (
(error = assuan_write_status (
ctx,
"SERIALNO",
serial_and_stamp
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (serial_and_stamp != NULL) {
free (serial_and_stamp);
serial_and_stamp = NULL;
}
}
#if defined(COMMENT)
if (
(error = common_map_pkcs11_error (
pkcs11h_token_enumTokenIds (
PKCS11H_ENUM_METHOD_RELOAD,
&list
)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
if (list == NULL) {
error = GPG_ERR_CARD_NOT_PRESENT;
goto cleanup;
}
for (i=list;i!=NULL;i=i->next) {
char *serial_and_stamp = NULL;
char *ser_token = NULL;
size_t ser_len;
if (
(error = common_map_pkcs11_error (
pkcs11h_token_serializeTokenId (
NULL,
&ser_len,
i->token_id
)
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
if ((ser_token = (char *)malloc (ser_len)) == NULL) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_token_serializeTokenId (
ser_token,
&ser_len,
i->token_id
)
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
/*
* serial number has to be hex-encoded data,
* followed by " 0"
*/
if (
(serial_and_stamp = encoding_bin2hex (
(unsigned char *)ser_token,
strlen (ser_token)
)) == NULL
) {
error = GPG_ERR_GENERAL;
goto retry;
}
if (!encoding_strappend (&serial_and_stamp, " 0")) {
error = GPG_ERR_ENOMEM;
goto retry;
}
if (
(error = assuan_write_status (
ctx,
"SERIALNO",
serial_and_stamp
)) != GPG_ERR_NO_ERROR
) {
goto retry;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (serial_and_stamp != NULL) {
free (serial_and_stamp);
serial_and_stamp = NULL;
}
if (ser_token != NULL) {
free (ser_token);
ser_token = NULL;
}
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (list != NULL) {
pkcs11h_token_freeTokenIdList (list);
list = NULL;
}
#endif
return gpg_error (error);
}
/** TODO: handle --force option! */
gpg_error_t cmd_learn (assuan_context_t ctx, char *line)
{
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_id_list_t user_certificates = NULL;
pkcs11h_certificate_id_list_t issuer_certificates = NULL;
(void)line;
if ((error = gpg_err_code (cmd_serialno (ctx, line))) != GPG_ERR_NO_ERROR) {
goto cleanup;
}
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_enumCertificateIds (
PKCS11H_ENUM_METHOD_CACHE_EXIST,
ctx,
PKCS11H_PROMPT_MASK_ALLOW_ALL,
&issuer_certificates,
&user_certificates
)
)) != GPG_ERR_NO_ERROR ||
(error = assuan_write_status (
ctx,
"APPTYPE",
"PKCS11"
)) != GPG_ERR_NO_ERROR ||
(error = send_certificate_list (
ctx,
user_certificates,
0
)) != GPG_ERR_NO_ERROR ||
(error = send_certificate_list (
ctx,
issuer_certificates,
1
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (issuer_certificates != NULL) {
pkcs11h_certificate_freeCertificateIdList (issuer_certificates);
issuer_certificates = NULL;
}
if (user_certificates != NULL) {
pkcs11h_certificate_freeCertificateIdList (user_certificates);
user_certificates = NULL;
}
return gpg_error (error);
}
/**
Return certificate contents. Line contains the percent-plus escaped
certificate ID.
*/
gpg_error_t cmd_readcert (assuan_context_t ctx, char *line)
{
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_id_t cert_id = NULL;
pkcs11h_certificate_t cert = NULL;
unsigned char *blob = NULL;
size_t blob_size;
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_deserializeCertificateId (&cert_id, line)
)) != GPG_ERR_NO_ERROR ||
(error = get_cert_blob (ctx, cert_id, &blob, &blob_size)) != GPG_ERR_NO_ERROR ||
(error = assuan_send_data (ctx, blob, blob_size)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (cert != NULL) {
pkcs11h_certificate_freeCertificate (cert);
cert = NULL;
}
if (cert_id != NULL) {
pkcs11h_certificate_freeCertificateId (cert_id);
cert_id = NULL;
}
if (blob != NULL) {
free (blob);
blob = NULL;
}
return gpg_error (error);
}
/** Read key given cert id in line. */
gpg_error_t cmd_readkey (assuan_context_t ctx, char *line)
{
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_id_t cert_id = NULL;
gcry_sexp_t sexp = NULL;
unsigned char *blob = NULL;
size_t blob_size;
if (
(error = common_map_pkcs11_error (
pkcs11h_certificate_deserializeCertificateId (&cert_id, line)
)) != GPG_ERR_NO_ERROR ||
(error = get_cert_sexp (ctx, cert_id, &sexp)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
if ((blob_size = gcry_sexp_sprint (sexp, GCRYSEXP_FMT_CANON, NULL, 0)) == 0) {
error = GPG_ERR_BAD_KEY;
goto cleanup;
}
if ((blob = (unsigned char *)malloc (blob_size)) == NULL) {
error = GPG_ERR_ENOMEM;
goto cleanup;
}
if (gcry_sexp_sprint (sexp, GCRYSEXP_FMT_CANON, blob, blob_size) == 0) {
error = GPG_ERR_BAD_KEY;
goto cleanup;
}
if (
(error = assuan_send_data(
ctx,
blob,
gcry_sexp_canon_len (blob, 0, NULL, NULL)
)) != GPG_ERR_NO_ERROR
) {
goto cleanup;
}
error = GPG_ERR_NO_ERROR;
cleanup:
if (sexp != NULL) {
gcry_sexp_release(sexp);
sexp = NULL;
}
if (cert_id != NULL) {
pkcs11h_certificate_freeCertificateId (cert_id);
cert_id = NULL;
}
if (blob != NULL) {
free (blob);
blob = NULL;
}
return gpg_error (error);
}
/** Store hex-encoded data from line to be signed/decrypted. */
gpg_error_t cmd_setdata (assuan_context_t ctx, char *line)
{
gpg_err_code_t error = GPG_ERR_GENERAL;
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
cmd_free_data (ctx);
if ((strlen (line) % 2) != 0) {
error = GPG_ERR_INV_DATA;
goto cleanup;
}
if (!encoding_hex2bin (line, &data->data, &data->size)) {
error = GPG_ERR_INV_DATA;
goto cleanup;
}
error = GPG_ERR_NO_ERROR;
cleanup:
return gpg_error (error);
}
/** Sign data (set by SETDATA) with certificate id in line. */
gpg_error_t cmd_pksign (assuan_context_t ctx, char *line)
{
static unsigned char rmd160_prefix[15] = /* Object ID is 1.3.36.3.2.1 */
{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x24, 0x03,
0x02, 0x01, 0x05, 0x00, 0x04, 0x14 };
static unsigned char sha1_prefix[15] = /* (1.3.14.3.2.26) */
{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 };
static unsigned char sha224_prefix[19] = /* (2.16.840.1.101.3.4.2.4) */
{ 0x30, 0x2D, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48,
0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04,
0x1C };
static unsigned char sha256_prefix[19] = /* (2.16.840.1.101.3.4.2.1) */
{ 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05,
0x00, 0x04, 0x20 };
static unsigned char sha384_prefix[19] = /* (2.16.840.1.101.3.4.2.2) */
{ 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05,
0x00, 0x04, 0x30 };
static unsigned char sha512_prefix[19] = /* (2.16.840.1.101.3.4.2.3) */
{ 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
0x00, 0x04, 0x40 };
gpg_err_code_t error = GPG_ERR_GENERAL;
pkcs11h_certificate_id_t cert_id = NULL;
pkcs11h_certificate_t cert = NULL;
cmd_data_t *data = (cmd_data_t *)assuan_get_pointer (ctx);
cmd_data_t *_data = data;
int need_free__data = 0;
int session_locked = 0;
unsigned char *sig = NULL;
size_t sig_len;
char hash[100] = "";
enum {
INJECT_NONE,
INJECT_RMD160,
INJECT_SHA1,
INJECT_SHA224,
INJECT_SHA256,
INJECT_SHA384,
INJECT_SHA512
} inject = INJECT_NONE;
if (data->data == NULL) {
error = GPG_ERR_INV_DATA;
goto cleanup;
}
while (*line != '\x0' && (isspace (*line) || *line == '-')) {
if (*line == '-') {
char *hashprm = "--hash=";
char *p = line;
while (*line != '\x0' && !isspace (*line)) {
line++;
}
line++;
if (!strncmp (p, hashprm, strlen (hashprm))) {
p += strlen (hashprm);
*(line-1) = '\0';
snprintf (hash, sizeof(hash), "%s", p);
}
}
else {
line++;
}
}
if (*line == '\x0') {
goto cleanup;
}
/*
* sender prefixed data with algorithm OID
*/
if (strcmp(hash, "")) {
if (!strcmp(hash, "rmd160")) {
inject = INJECT_RMD160;
}
else if (!strcmp(hash, "sha1")) {
inject = INJECT_SHA1;
}
else if (!strcmp(hash, "sha224")) {
inject = INJECT_SHA224;
}
else if (!strcmp(hash, "sha256")) {
inject = INJECT_SHA256;
}
else if (!strcmp(hash, "sha384")) {
inject = INJECT_SHA384;
}
else if (!strcmp(hash, "sha512")) {