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osslsigncode.c
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osslsigncode.c
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/*
OpenSSL based Authenticode signing for PE files and Java CAB's.
Copyright (C) 2005-2011 mfive <mfive@users.sourceforge.net>
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
*/
static const char *rcsid = "$Id: osslsigncode.c,v 1.4 2011/08/12 11:08:12 mfive Exp $";
/*
Implemented with good help from:
* Peter Gutmann's analysis of Authenticode:
http://www.cs.auckland.ac.nz/~pgut001/pubs/authenticode.txt
* MS CAB SDK documentation
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dncabsdk/html/cabdl.asp
* MS PE/COFF documentation
http://www.microsoft.com/whdc/system/platform/firmware/PECOFF.mspx
* tail -c, tcpdump, mimencode & openssl asn1parse :)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pkcs7.h>
#include <openssl/pkcs12.h>
#include <openssl/pem.h>
#include <openssl/asn1t.h>
#ifdef ENABLE_CURL
#include <curl/curl.h>
#endif
/* MS Authenticode object ids */
#define SPC_INDIRECT_DATA_OBJID "1.3.6.1.4.1.311.2.1.4"
#define SPC_STATEMENT_TYPE_OBJID "1.3.6.1.4.1.311.2.1.11"
#define SPC_SP_OPUS_INFO_OBJID "1.3.6.1.4.1.311.2.1.12"
#define SPC_INDIVIDUAL_SP_KEY_PURPOSE_OBJID "1.3.6.1.4.1.311.2.1.21"
#define SPC_COMMERCIAL_SP_KEY_PURPOSE_OBJID "1.3.6.1.4.1.311.2.1.22"
#define SPC_MS_JAVA_SOMETHING "1.3.6.1.4.1.311.15.1"
#define SPC_PE_IMAGE_DATA_OBJID "1.3.6.1.4.1.311.2.1.15"
#define SPC_CAB_DATA_OBJID "1.3.6.1.4.1.311.2.1.25"
#define SPC_TIME_STAMP_REQUEST_OBJID "1.3.6.1.4.1.311.3.2.1"
/* 1.3.6.1.4.1.311.4... MS Crypto 2.0 stuff... */
/*
ASN.1 definitions (more or less from official MS Authenticode docs)
*/
typedef struct {
int type;
union {
ASN1_BMPSTRING *unicode;
ASN1_IA5STRING *ascii;
} value;
} SpcString;
ASN1_CHOICE(SpcString) = {
ASN1_IMP_OPT(SpcString, value.unicode, ASN1_BMPSTRING , 0),
ASN1_IMP_OPT(SpcString, value.ascii, ASN1_IA5STRING, 1)
} ASN1_CHOICE_END(SpcString)
IMPLEMENT_ASN1_FUNCTIONS(SpcString)
typedef struct {
ASN1_OCTET_STRING *classId;
ASN1_OCTET_STRING *serializedData;
} SpcSerializedObject;
ASN1_SEQUENCE(SpcSerializedObject) = {
ASN1_SIMPLE(SpcSerializedObject, classId, ASN1_OCTET_STRING),
ASN1_SIMPLE(SpcSerializedObject, serializedData, ASN1_OCTET_STRING)
} ASN1_SEQUENCE_END(SpcSerializedObject)
IMPLEMENT_ASN1_FUNCTIONS(SpcSerializedObject)
typedef struct {
int type;
union {
ASN1_IA5STRING *url;
SpcSerializedObject *moniker;
SpcString *file;
} value;
} SpcLink;
ASN1_CHOICE(SpcLink) = {
ASN1_IMP_OPT(SpcLink, value.url, ASN1_IA5STRING, 0),
ASN1_IMP_OPT(SpcLink, value.moniker, SpcSerializedObject, 1),
ASN1_EXP_OPT(SpcLink, value.file, SpcString, 2)
} ASN1_CHOICE_END(SpcLink)
IMPLEMENT_ASN1_FUNCTIONS(SpcLink)
typedef struct {
SpcString *programName;
SpcLink *moreInfo;
} SpcSpOpusInfo;
DECLARE_ASN1_FUNCTIONS(SpcSpOpusInfo)
ASN1_SEQUENCE(SpcSpOpusInfo) = {
ASN1_EXP_OPT(SpcSpOpusInfo, programName, SpcString, 0),
ASN1_EXP_OPT(SpcSpOpusInfo, moreInfo, SpcLink, 1)
} ASN1_SEQUENCE_END(SpcSpOpusInfo)
IMPLEMENT_ASN1_FUNCTIONS(SpcSpOpusInfo)
typedef struct {
ASN1_OBJECT *type;
ASN1_TYPE *value;
} SpcAttributeTypeAndOptionalValue;
ASN1_SEQUENCE(SpcAttributeTypeAndOptionalValue) = {
ASN1_SIMPLE(SpcAttributeTypeAndOptionalValue, type, ASN1_OBJECT),
ASN1_OPT(SpcAttributeTypeAndOptionalValue, value, ASN1_ANY)
} ASN1_SEQUENCE_END(SpcAttributeTypeAndOptionalValue)
IMPLEMENT_ASN1_FUNCTIONS(SpcAttributeTypeAndOptionalValue)
typedef struct {
ASN1_OBJECT *algorithm;
ASN1_TYPE *parameters;
} AlgorithmIdentifier;
ASN1_SEQUENCE(AlgorithmIdentifier) = {
ASN1_SIMPLE(AlgorithmIdentifier, algorithm, ASN1_OBJECT),
ASN1_OPT(AlgorithmIdentifier, parameters, ASN1_ANY)
} ASN1_SEQUENCE_END(AlgorithmIdentifier)
IMPLEMENT_ASN1_FUNCTIONS(AlgorithmIdentifier)
typedef struct {
AlgorithmIdentifier *digestAlgorithm;
ASN1_OCTET_STRING *digest;
} DigestInfo;
ASN1_SEQUENCE(DigestInfo) = {
ASN1_SIMPLE(DigestInfo, digestAlgorithm, AlgorithmIdentifier),
ASN1_SIMPLE(DigestInfo, digest, ASN1_OCTET_STRING)
} ASN1_SEQUENCE_END(DigestInfo)
IMPLEMENT_ASN1_FUNCTIONS(DigestInfo)
typedef struct {
SpcAttributeTypeAndOptionalValue *data;
DigestInfo *messageDigest;
} SpcIndirectDataContent;
ASN1_SEQUENCE(SpcIndirectDataContent) = {
ASN1_SIMPLE(SpcIndirectDataContent, data, SpcAttributeTypeAndOptionalValue),
ASN1_SIMPLE(SpcIndirectDataContent, messageDigest, DigestInfo)
} ASN1_SEQUENCE_END(SpcIndirectDataContent)
IMPLEMENT_ASN1_FUNCTIONS(SpcIndirectDataContent)
typedef struct {
ASN1_BIT_STRING* flags;
SpcLink *file;
} SpcPeImageData;
ASN1_SEQUENCE(SpcPeImageData) = {
ASN1_SIMPLE(SpcPeImageData, flags, ASN1_BIT_STRING),
ASN1_EXP_OPT(SpcPeImageData, file, SpcLink, 0)
} ASN1_SEQUENCE_END(SpcPeImageData)
IMPLEMENT_ASN1_FUNCTIONS(SpcPeImageData)
#ifdef ENABLE_CURL
typedef struct {
ASN1_OBJECT *type;
ASN1_OCTET_STRING *signature;
} TimeStampRequestBlob;
DECLARE_ASN1_FUNCTIONS(TimeStampRequestBlob)
ASN1_SEQUENCE(TimeStampRequestBlob) = {
ASN1_SIMPLE(TimeStampRequestBlob, type, ASN1_OBJECT),
ASN1_EXP_OPT(TimeStampRequestBlob, signature, ASN1_OCTET_STRING, 0)
} ASN1_SEQUENCE_END(TimeStampRequestBlob)
IMPLEMENT_ASN1_FUNCTIONS(TimeStampRequestBlob)
typedef struct {
ASN1_OBJECT *type;
TimeStampRequestBlob *blob;
} TimeStampRequest;
DECLARE_ASN1_FUNCTIONS(TimeStampRequest)
ASN1_SEQUENCE(TimeStampRequest) = {
ASN1_SIMPLE(TimeStampRequest, type, ASN1_OBJECT),
ASN1_SIMPLE(TimeStampRequest, blob, TimeStampRequestBlob)
} ASN1_SEQUENCE_END(TimeStampRequest)
IMPLEMENT_ASN1_FUNCTIONS(TimeStampRequest)
#endif /* ENABLE_CURL */
static SpcSpOpusInfo* createOpus(const char *desc, const char *url)
{
SpcSpOpusInfo *info = SpcSpOpusInfo_new();
if (desc) {
info->programName = SpcString_new();
info->programName->type = 1;
info->programName->value.ascii = M_ASN1_IA5STRING_new();
ASN1_STRING_set((ASN1_STRING *)info->programName->value.ascii,
(const unsigned char*)desc, strlen(desc));
}
if (url) {
info->moreInfo = SpcLink_new();
info->moreInfo->type = 0;
info->moreInfo->value.url = M_ASN1_IA5STRING_new();
ASN1_STRING_set((ASN1_STRING *)info->moreInfo->value.url,
(const unsigned char*)url, strlen(url));
}
return info;
}
#ifdef ENABLE_CURL
static size_t curl_write( void *ptr, size_t sz, size_t nmemb, void *stream)
{
return BIO_write((BIO*)stream, ptr, sz*nmemb);
}
/*
A timestamp request looks like this:
POST <someurl> HTTP/1.1
Content-Type: application/octet-stream
Content-Length: ...
Accept: application/octet-stream
User-Agent: Transport
Host: ...
Cache-Control: no-cache
<base64encoded blob>
.. and the blob has the following ASN1 structure:
0:d=0 hl=4 l= 291 cons: SEQUENCE
4:d=1 hl=2 l= 10 prim: OBJECT :1.3.6.1.4.1.311.3.2.1
16:d=1 hl=4 l= 275 cons: SEQUENCE
20:d=2 hl=2 l= 9 prim: OBJECT :pkcs7-data
31:d=2 hl=4 l= 260 cons: cont [ 0 ]
35:d=3 hl=4 l= 256 prim: OCTET STRING
<signature>
.. and it returns a base64 encoded PKCS#7 structure.
*/
static int add_timestamp(PKCS7 *sig, char *url, char *proxy)
{
CURL *curl;
struct curl_slist *slist = NULL;
CURLcode c;
BIO *bout, *bin, *b64;
u_char *p;
int len;
TimeStampRequest *req;
PKCS7_SIGNER_INFO *si =
sk_PKCS7_SIGNER_INFO_value
(sig->d.sign->signer_info, 0);
if (!url) return -1;
curl = curl_easy_init();
if (proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, proxy);
if (!strncmp("http:", proxy, 5))
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
if (!strncmp("socks:", proxy, 6))
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
}
curl_easy_setopt(curl, CURLOPT_URL, url);
/* curl_easy_setopt(curl, CURLOPT_VERBOSE, 42); */
slist = curl_slist_append(slist, "Content-Type: application/octet-stream");
slist = curl_slist_append(slist, "Accept: application/octet-stream");
slist = curl_slist_append(slist, "User-Agent: Transport");
slist = curl_slist_append(slist, "Cache-Control: no-cache");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
req = TimeStampRequest_new();
req->type = OBJ_txt2obj(SPC_TIME_STAMP_REQUEST_OBJID, 1);
req->blob = TimeStampRequestBlob_new();
req->blob->type = OBJ_nid2obj(NID_pkcs7_data);
req->blob->signature = si->enc_digest;
len = i2d_TimeStampRequest(req, NULL);
p = OPENSSL_malloc(len);
len = i2d_TimeStampRequest(req, &p);
p -= len;
bout = BIO_new(BIO_s_mem());
b64 = BIO_new(BIO_f_base64());
bout = BIO_push(b64, bout);
BIO_write(bout, p, len);
(void)BIO_flush(bout);
OPENSSL_free(p);
len = BIO_get_mem_data(bout, &p);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, len);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (char*)p);
bin = BIO_new(BIO_s_mem());
BIO_set_mem_eof_return(bin, 0);
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, bin);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_write);
c = curl_easy_perform(curl);
curl_slist_free_all(slist);
BIO_free_all(bout);
if (c) {
fprintf(stderr, "CURL failure: %s\n", curl_easy_strerror(c));
} else {
PKCS7 *p7;
int i;
PKCS7_SIGNER_INFO *info;
ASN1_STRING *astr;
(void)BIO_flush(bin);
b64 = BIO_new(BIO_f_base64());
bin = BIO_push(b64, bin);
p7 = d2i_PKCS7_bio(bin, NULL);
if (p7 == NULL) {
fprintf(stderr, "Failed to convert timestamp reply\n");
ERR_print_errors_fp(stderr);
return -1;
}
for(i = sk_X509_num(p7->d.sign->cert)-1; i>=0; i--)
PKCS7_add_certificate(sig, sk_X509_value(p7->d.sign->cert, i));
info = sk_PKCS7_SIGNER_INFO_value(p7->d.sign->signer_info, 0);
if (((len = i2d_PKCS7_SIGNER_INFO(info, NULL)) <= 0) ||
(p = OPENSSL_malloc(len)) == NULL) {
fprintf(stderr, "Failed to convert signer info: %d\n", len);
ERR_print_errors_fp(stderr);
return -1;
}
len = i2d_PKCS7_SIGNER_INFO(info, &p);
p -= len;
astr = ASN1_STRING_new();
ASN1_STRING_set(astr, p, len);
PKCS7_add_attribute
(si, NID_pkcs9_countersignature,
V_ASN1_SEQUENCE, astr);
}
BIO_free_all(bin);
curl_easy_cleanup(curl);
return (int)c;
}
#endif /* ENABLE_CURL */
static void usage(const char *argv0)
{
fprintf(stderr,
"Usage: %s [ --version | -v ]\n"
"\t( -spc <spcfile> -key <keyfile> |\n"
"\t -pkcs12 <pkcs12file> )\n"
"\t[ -pass <keypass> ]\n"
"\t[ -h {md5,sha1,sha2} ]\n"
"\t[ -n <desc> ] [ -i <url> ] [ -jp <level> ] [ -comm ]\n"
#ifdef ENABLE_CURL
"\t[ -t <timestampurl> [ -p <proxy> ]]\n"
#endif
"\t-in <infile> -out <outfile>\n",
argv0);
exit(0);
}
#define DO_EXIT_0(x) { fputs(x, stderr); goto err_cleanup; }
#define DO_EXIT_1(x, y) { fprintf(stderr, x, y); goto err_cleanup; }
#define GET_UINT16_LE(p) (((u_char*)(p))[0] | (((u_char*)(p))[1]<<8))
#define GET_UINT32_LE(p) (((u_char*)(p))[0] | (((u_char*)(p))[1]<<8) | \
(((u_char*)(p))[2]<<16) | (((u_char*)(p))[3]<<24))
#define PUT_UINT32_LE(i,p) \
((u_char*)(p))[0] = (i) & 0xff; \
((u_char*)(p))[1] = ((i)>>8) & 0xff; \
((u_char*)(p))[2] = ((i)>>16) & 0xff; \
((u_char*)(p))[3] = ((i)>>24) & 0xff
#ifdef HACK_OPENSSL
ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid)
/* ARGSUSED */
{
/* Ehhhm. Hack. The PKCS7 sign method adds NID_pkcs9_signingTime if
it isn't there. But we don't want it since M$ barfs on it.
Sooooo... let's pretend it's here. */
return (ASN1_TYPE*)0xdeadbeef;
}
#endif
static void get_indirect_data_blob(u_char **blob, int *len, const EVP_MD *md, int isjava)
{
static const unsigned char obsolete[] = {
0x00, 0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x4f, 0x00, 0x62,
0x00, 0x73, 0x00, 0x6f, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x74,
0x00, 0x65, 0x00, 0x3e, 0x00, 0x3e, 0x00, 0x3e
};
u_char *p;
int hashlen, l;
void *hash;
SpcLink *link;
SpcIndirectDataContent *idc = SpcIndirectDataContent_new();
idc->data = SpcAttributeTypeAndOptionalValue_new();
idc->data->type = OBJ_txt2obj(isjava ? SPC_CAB_DATA_OBJID : SPC_PE_IMAGE_DATA_OBJID, 1);
link = SpcLink_new();
link->type = 2;
link->value.file = SpcString_new();
link->value.file->type = 0;
link->value.file->value.unicode = ASN1_BMPSTRING_new();
ASN1_STRING_set(link->value.file->value.unicode, obsolete, sizeof(obsolete));
idc->data->value = ASN1_TYPE_new();
idc->data->value->type = V_ASN1_SEQUENCE;
idc->data->value->value.sequence = ASN1_STRING_new();
if (isjava) {
l = i2d_SpcLink(link, NULL);
p = OPENSSL_malloc(l);
i2d_SpcLink(link, &p);
p -= l;
} else {
SpcPeImageData *pid = SpcPeImageData_new();
pid->flags = ASN1_BIT_STRING_new();
ASN1_BIT_STRING_set(pid->flags, (unsigned char*)"0", 0);
pid->file = link;
l = i2d_SpcPeImageData(pid, NULL);
p = OPENSSL_malloc(l);
i2d_SpcPeImageData(pid, &p);
p -= l;
}
idc->data->value->value.sequence->data = p;
idc->data->value->value.sequence->length = l;
idc->messageDigest = DigestInfo_new();
idc->messageDigest->digestAlgorithm = AlgorithmIdentifier_new();
idc->messageDigest->digestAlgorithm->algorithm = OBJ_nid2obj(EVP_MD_nid(md));
idc->messageDigest->digestAlgorithm->parameters = ASN1_TYPE_new();
idc->messageDigest->digestAlgorithm->parameters->type = V_ASN1_NULL;
idc->messageDigest->digest = M_ASN1_OCTET_STRING_new();
hashlen = EVP_MD_size(md);
hash = OPENSSL_malloc(hashlen);
memset(hash, 0, hashlen);
M_ASN1_OCTET_STRING_set(idc->messageDigest->digest, hash, hashlen);
*len = i2d_SpcIndirectDataContent(idc, NULL);
*blob = OPENSSL_malloc(*len);
p = *blob;
i2d_SpcIndirectDataContent(idc, &p);
}
int main(int argc, char **argv)
{
BIO *btmp, *sigdata, *hash, *outdata;
PKCS12 *p12;
PKCS7 *p7, *sig;
X509 *cert = NULL;
STACK_OF(X509) *certs = NULL;
EVP_PKEY *pkey;
PKCS7_SIGNER_INFO *si;
ASN1_TYPE dummy;
ASN1_STRING *astr;
const EVP_MD *md = EVP_sha1();
const char *argv0 = argv[0];
static char buf[64*1024];
char *spcfile, *keyfile, *pkcs12file, *infile, *outfile, *desc, *url, *indata;
char *pass = "";
#ifdef ENABLE_CURL
char *turl = NULL, *proxy = NULL;
#endif
u_char *p;
int i, len = 0, is_cabinet = 0, jp = -1, fd = -1, pe32plus = 0, comm = 0;
unsigned int tmp, peheader = 0, padlen;
struct stat st;
#if 0
static u_char spcIndirectDataContext_blob_cab[] = {
0x30, 0x50,
0x30, 0x2c,
0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x19,
0xa2, 0x1e, 0x80, 0x1c,
0x00, 0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x4f, 0x00, 0x62, 0x00, 0x73, 0x00, 0x6f, 0x00, 0x6c, 0x00, 0x65,
0x00, 0x74, 0x00, 0x65, 0x00, 0x3e, 0x00, 0x3e, 0x00, 0x3e,
0x30, 0x20,
0x30, 0x0c,
0x06, 0x08, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05,
0x05, 0x00,
0x04, 0x10 /* + hash */
};
static u_char spcIndirectDataContext_blob_pe[] = {
0x30, 0x57,
0x30, 0x33,
0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x0f,
0x30, 0x25, 0x03, 0x01, 0x00,
0xa0, 0x20, 0xa2, 0x1e, 0x80, 0x1c,
0x00, 0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x4f, 0x00, 0x62,
0x00, 0x73, 0x00, 0x6f, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x74,
0x00, 0x65, 0x00, 0x3e, 0x00, 0x3e, 0x00, 0x3e,
0x30, 0x20,
0x30, 0x0c,
0x06, 0x08, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05,
0x05, 0x00,
0x04, 0x10 /* + hash */
};
#endif
static u_char purpose_ind[] = {
0x30, 0x0c,
0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x15
};
static u_char purpose_comm[] = {
0x30, 0x0c,
0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x16
};
spcfile = keyfile = pkcs12file = infile = outfile = desc = url = NULL;
hash = outdata = NULL;
for (argc--,argv++; argc >= 1; argc--,argv++) {
if (!strcmp(*argv, "-spc")) {
if (--argc < 1) usage(argv0);
spcfile = *(++argv);
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) usage(argv0);
keyfile = *(++argv);
} else if (!strcmp(*argv, "-pkcs12")) {
if (--argc < 1) usage(argv0);
pkcs12file = *(++argv);
} else if (!strcmp(*argv, "-pass")) {
if (--argc < 1) usage(argv0);
pass = *(++argv);
} else if (!strcmp(*argv, "-comm")) {
comm = 1;
} else if (!strcmp(*argv, "-n")) {
if (--argc < 1) usage(argv0);
desc = *(++argv);
} else if (!strcmp(*argv, "-h")) {
if (--argc < 1) usage(argv0);
++argv;
if (!strcmp(*argv, "md5")) {
md = EVP_md5();
} else if (!strcmp(*argv, "sha1")) {
md = EVP_sha1();
} else if (!strcmp(*argv, "sha2")) {
md = EVP_sha256();
} else {
usage(argv0);
}
} else if (!strcmp(*argv, "-i")) {
if (--argc < 1) usage(argv0);
url = *(++argv);
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) usage(argv0);
infile = *(++argv);
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) usage(argv0);
outfile = *(++argv);
#ifdef ENABLE_CURL
} else if (!strcmp(*argv, "-t")) {
if (--argc < 1) usage(argv0);
turl = *(++argv);
} else if (!strcmp(*argv, "-p")) {
if (--argc < 1) usage(argv0);
proxy = *(++argv);
#endif
} else if (!strcmp(*argv, "-v") || !strcmp(*argv, "--version")) {
printf(PACKAGE_STRING ", using:\n\t%s\n\t%s\n\nPlease send bug-reports to "
PACKAGE_BUGREPORT
"\n\n",
SSLeay_version(SSLEAY_VERSION),
#ifdef ENABLE_CURL
curl_version()
#else
"no libcurl available"
#endif
);
} else if (!strcmp(*argv, "-jp")) {
char *ap;
if (--argc < 1) usage(argv0);
ap = *(++argv);
for (i=0; ap[i]; i++) ap[i] = tolower((int)ap[i]);
if (!strcmp(ap, "low")) {
jp = 0;
} else if (!strcmp(ap, "medium")) {
jp = 1;
} else if (!strcmp(ap, "high")) {
jp = 2;
}
if (jp != 0) usage(argv0); /* XXX */
} else {
fprintf(stderr, "Unknown option: %s\n", *argv);
usage(argv0);
}
}
if (!infile || !outfile || !((spcfile && keyfile) || pkcs12file))
usage(argv0);
/* Set up OpenSSL */
ERR_load_crypto_strings();
OPENSSL_add_all_algorithms_conf();
/* Read certificate and key */
if (pkcs12file != NULL) {
if ((btmp = BIO_new_file(pkcs12file, "rb")) == NULL ||
(p12 = d2i_PKCS12_bio(btmp, NULL)) == NULL)
DO_EXIT_1("Failed to read PKCS#12 file: %s\n", pkcs12file);
BIO_free(btmp);
if (!PKCS12_parse(p12, pass, &pkey, &cert, &certs))
DO_EXIT_1("Failed to parse PKCS#12 file: %s (Wrong password?)\n", pkcs12file);
PKCS12_free(p12);
} else {
if ((btmp = BIO_new_file(spcfile, "rb")) == NULL ||
(p7 = d2i_PKCS7_bio(btmp, NULL)) == NULL)
DO_EXIT_1("Failed to read DER-encoded spc file: %s\n", spcfile);
BIO_free(btmp);
if ((btmp = BIO_new_file(keyfile, "rb")) == NULL ||
( (pkey = d2i_PrivateKey_bio(btmp, NULL)) == NULL &&
(pkey = PEM_read_bio_PrivateKey(btmp, NULL, NULL, pass)) == NULL &&
(pkey = PEM_read_bio_PrivateKey(btmp, NULL, NULL, NULL)) == NULL))
DO_EXIT_1("Failed to read private key file: %s (Wrong password?)\n", keyfile);
BIO_free(btmp);
certs = p7->d.sign->cert;
}
/* Check if indata is cab or pe */
if (stat(infile, &st))
DO_EXIT_1("Failed to open file: %s\n", infile);
if (st.st_size < 4)
DO_EXIT_1("Unrecognized file type - file is too short: %s\n", infile);
if ((fd = open(infile, O_RDONLY)) < 0)
DO_EXIT_1("Failed to open file: %s\n", infile);
indata = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (indata == NULL)
DO_EXIT_1("Failed to open file: %s\n", infile);
if (!memcmp(indata, "MSCF", 4))
is_cabinet = 1;
else if (memcmp(indata, "MZ", 2))
DO_EXIT_1("Unrecognized file type: %s\n", infile);
if (is_cabinet) {
if (st.st_size < 44)
DO_EXIT_1("Corrupt cab file - too short: %s\n", infile);
if (indata[0x1e] != 0x00 || indata[0x1f] != 0x00)
DO_EXIT_0("Cannot sign cab files with flag bits set!\n"); /* XXX */
} else {
if (st.st_size < 64)
DO_EXIT_1("Corrupt DOS file - too short: %s\n", infile);
peheader = GET_UINT32_LE(indata+60);
if (st.st_size < peheader + 160)
DO_EXIT_1("Corrupt PE file - too short: %s\n", infile);
if (memcmp(indata+peheader, "PE\0\0", 4))
DO_EXIT_1("Unrecognized DOS file type: %s\n", infile);
}
/* Create outdata file */
outdata = BIO_new_file(outfile, "wb");
if (outdata == NULL)
DO_EXIT_1("Failed to create file: %s\n", outfile);
hash = BIO_new(BIO_f_md());
BIO_set_md(hash, md);
BIO_push(hash, outdata);
if (is_cabinet) {
unsigned short nfolders;
u_char cabsigned[] = {
0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
0xde, 0xad, 0xbe, 0xef, /* size of cab file */
0xde, 0xad, 0xbe, 0xef, /* size of asn1 blob */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
BIO_write(hash, indata, 4);
BIO_write(outdata, indata+4, 4);
tmp = GET_UINT32_LE(indata+8) + 24;
PUT_UINT32_LE(tmp, buf);
BIO_write(hash, buf, 4);
BIO_write(hash, indata+12, 4);
tmp = GET_UINT32_LE(indata+16) + 24;
PUT_UINT32_LE(tmp, buf+4);
BIO_write(hash, buf+4, 4);
memcpy(buf+4, indata+20, 14);
buf[4+10] = 0x04; /* RESERVE_PRESENT */
BIO_write(hash, buf+4, 14);
BIO_write(outdata, indata+34, 2);
memcpy(cabsigned+8, buf, 4);
BIO_write(outdata, cabsigned, 20);
BIO_write(hash, cabsigned+20, 4); /* ??? or possibly the previous 4 bytes instead? */
nfolders = indata[26] | (indata[27] << 8);
for (i = 36; nfolders; nfolders--, i+=8) {
tmp = GET_UINT32_LE(indata+i);
tmp += 24;
PUT_UINT32_LE(tmp, buf);
BIO_write(hash, buf, 4);
BIO_write(hash, indata+i+4, 4);
}
/* Write what's left */
BIO_write(hash, indata+i, st.st_size-i);
} else {
if (jp >= 0)
fprintf(stderr, "Warning: -jp option is only valid "
"for CAB files.\n");
pe32plus = GET_UINT16_LE(indata + peheader + 24) == 0x20b ? 1 : 0;
/* If the file has been signed already, this will let us pretend the file we are signing is
* only as big as the portion that exists before the signed data at the end of the file.
* This prevents adding more and more data to the end of the file with each signing.
*/
i = GET_UINT32_LE(indata + peheader + 152 + pe32plus*16);
if( i > 0 ) st.st_size = i;
BIO_write(hash, indata, peheader + 88);
i = peheader + 88;
memset(buf, 0, 4);
BIO_write(outdata, buf, 4); /* zero out checksum */
i += 4;
BIO_write(hash, indata + i, 60+pe32plus*16);
i += 60+pe32plus*16;
BIO_write(outdata, indata + i, 8);
i += 8;
BIO_write(hash, indata + i, st.st_size - i);
/* pad (with 0's) pe file to 8 byte boundary */
len = 8 - st.st_size % 8;
if (len > 0 && len != 8) {
memset(buf, 0, len);
BIO_write(hash, buf, len);
st.st_size += len;
}
}
sig = PKCS7_new();
PKCS7_set_type(sig, NID_pkcs7_signed);
si = NULL;
if (cert != NULL)
si = PKCS7_add_signature(sig, cert, pkey, md);
if (si == NULL) {
for (i=0; i<sk_X509_num(certs); i++) {
X509 *signcert = sk_X509_value(certs, i);
/* X509_print_fp(stdout, signcert); */
si = PKCS7_add_signature(sig, signcert, pkey, md);
if (si != NULL) break;
}
}
if (si == NULL)
DO_EXIT_0("Signing failed(PKCS7_add_signature)\n");
/* create some MS Authenticode OIDS we need later on */
if (!OBJ_create(SPC_STATEMENT_TYPE_OBJID, NULL, NULL) ||
!OBJ_create(SPC_MS_JAVA_SOMETHING, NULL, NULL) ||
!OBJ_create(SPC_SP_OPUS_INFO_OBJID, NULL, NULL))
DO_EXIT_0("Failed to add objects\n");
PKCS7_add_signed_attribute
(si, NID_pkcs9_contentType,
V_ASN1_OBJECT, OBJ_txt2obj(SPC_INDIRECT_DATA_OBJID, 1));
if (is_cabinet && jp >= 0) {
const u_char *attrs = NULL;
static const u_char java_attrs_low[] = {
0x30, 0x06, 0x03, 0x02, 0x00, 0x01, 0x30, 0x00
};
switch (jp) {
case 0:
attrs = java_attrs_low;
len = sizeof(java_attrs_low);
break;
case 1:
/* XXX */
case 2:
/* XXX */
default:
break;
}
if (attrs) {
astr = ASN1_STRING_new();
ASN1_STRING_set(astr, attrs, len);
PKCS7_add_signed_attribute
(si, OBJ_txt2nid(SPC_MS_JAVA_SOMETHING),
V_ASN1_SEQUENCE, astr);
}
}
astr = ASN1_STRING_new();
if (comm) {
ASN1_STRING_set(astr, purpose_comm, sizeof(purpose_comm));
} else {
ASN1_STRING_set(astr, purpose_ind, sizeof(purpose_ind));
}
PKCS7_add_signed_attribute(si, OBJ_txt2nid(SPC_STATEMENT_TYPE_OBJID),
V_ASN1_SEQUENCE, astr);
if (desc || url) {
SpcSpOpusInfo *opus = createOpus(desc, url);
if ((len = i2d_SpcSpOpusInfo(opus, NULL)) <= 0 ||
(p = OPENSSL_malloc(len)) == NULL)
DO_EXIT_0("Couldn't allocate memory for opus info\n");
i2d_SpcSpOpusInfo(opus, &p);
p -= len;
astr = ASN1_STRING_new();
ASN1_STRING_set(astr, p, len);
PKCS7_add_signed_attribute(si, OBJ_txt2nid(SPC_SP_OPUS_INFO_OBJID),
V_ASN1_SEQUENCE, astr);
}
PKCS7_content_new(sig, NID_pkcs7_data);
#if 0
for(i = 0; i < sk_X509_num(p7->d.sign->cert); i++)
PKCS7_add_certificate(sig, sk_X509_value(p7->d.sign->cert, i));
#else
if (cert != NULL)
PKCS7_add_certificate(sig, cert);
for(i = sk_X509_num(certs)-1; i>=0; i--)
PKCS7_add_certificate(sig, sk_X509_value(certs, i));
#endif
if ((sigdata = PKCS7_dataInit(sig, NULL)) == NULL)
DO_EXIT_0("Signing failed(PKCS7_dataInit)\n");
get_indirect_data_blob(&p, &len, md, is_cabinet);
len -= EVP_MD_size(md);
memcpy(buf, p, len);
i = BIO_gets(hash, buf + len, EVP_MAX_MD_SIZE);
BIO_write(sigdata, buf+2, len-2+i);
if (!PKCS7_dataFinal(sig, sigdata))
DO_EXIT_0("Signing failed(PKCS7_dataFinal)\n");
/* replace the data part with the MS Authenticode
spcIndirectDataContext blob */
astr = ASN1_STRING_new();
ASN1_STRING_set(astr, buf, len+i);
dummy.type = V_ASN1_SEQUENCE;
dummy.value.sequence = astr;
sig->d.sign->contents->type = OBJ_txt2obj(SPC_INDIRECT_DATA_OBJID, 1);
sig->d.sign->contents->d.other = &dummy;
#ifdef ENABLE_CURL
/* add counter-signature/timestamp */
if (turl && add_timestamp(sig, turl, proxy))
DO_EXIT_0("timestamping failed\n");
#endif
#if 0
if (!PEM_write_PKCS7(stdout, sig))
DO_EXIT_0("PKCS7 output failed\n");
#endif
/* Append signature to outfile */
if (((len = i2d_PKCS7(sig, NULL)) <= 0) ||
(p = OPENSSL_malloc(len)) == NULL)
DO_EXIT_1("i2d_PKCS - memory allocation failed: %d\n", len);
i2d_PKCS7(sig, &p);
p -= len;
padlen = (8 - len%8) % 8;
if (!is_cabinet) {
static const char magic[] = {
0x00, 0x02, 0x02, 0x00
};
PUT_UINT32_LE(len+8+padlen, buf);
BIO_write(outdata, buf, 4);
BIO_write(outdata, magic, sizeof(magic));
}
BIO_write(outdata, p, len);
/* pad (with 0's) asn1 blob to 8 byte boundary */
if (padlen > 0) {
memset(p, 0, padlen);
BIO_write(outdata, p, padlen);
}
if (!is_cabinet) {
(void)BIO_seek(outdata, peheader+152+pe32plus*16);
PUT_UINT32_LE(st.st_size, buf);
BIO_write(outdata, buf, 4);
PUT_UINT32_LE(len+8+padlen, buf);
BIO_write(outdata, buf, 4);
} else {
(void)BIO_seek(outdata, 0x30);
PUT_UINT32_LE(len+padlen, buf);
BIO_write(outdata, buf, 4);
}
BIO_free_all(hash);
hash = outdata = NULL;
printf("Succeeded\n");
return 0;
err_cleanup:
ERR_print_errors_fp(stderr);
if (hash != NULL)