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freerdp/winpr/tools/makecert/makecert.c

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v2.10.0
2023-05-09 21:29:50 +00:00
/**
* WinPR: Windows Portable Runtime
* makecert replacement
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <winpr/crt.h>
#include <winpr/path.h>
#include <winpr/file.h>
#include <winpr/cmdline.h>
#include <winpr/sysinfo.h>
#include <winpr/crypto.h>
#include <winpr/file.h>
#ifdef WITH_OPENSSL
#include <openssl/crypto.h>
#include <openssl/conf.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/pkcs12.h>
#include <openssl/x509v3.h>
#endif
#include <winpr/tools/makecert.h>
struct _MAKECERT_CONTEXT
{
int argc;
char** argv;
#ifdef WITH_OPENSSL
RSA* rsa;
X509* x509;
EVP_PKEY* pkey;
PKCS12* pkcs12;
#endif
BOOL live;
BOOL silent;
BOOL crtFormat;
BOOL pemFormat;
BOOL pfxFormat;
char* password;
char* output_file;
char* output_path;
char* default_name;
char* common_name;
int duration_years;
int duration_months;
};
static char* makecert_read_str(BIO* bio, size_t* pOffset)
{
int status = -1;
size_t offset = 0;
size_t length = 0;
char* x509_str = NULL;
while (offset >= length)
{
size_t new_len;
char* new_str;
new_len = length * 2;
if (new_len == 0)
new_len = 2048;
new_str = (char*)realloc(x509_str, new_len);
if (!new_str || (new_len > INT_MAX))
{
status = -1;
break;
}
length = new_len;
x509_str = new_str;
status = BIO_read(bio, &x509_str[offset], (int)length - 1);
if (status < 0)
break;
offset += (size_t)status;
}
if (status < 0)
{
free(x509_str);
if (pOffset)
*pOffset = 0;
return NULL;
}
x509_str[offset] = '\0';
if (pOffset)
*pOffset = offset + 1;
return x509_str;
}
static int makecert_print_command_line_help(COMMAND_LINE_ARGUMENT_A* args, int argc, char** argv)
{
char* str;
COMMAND_LINE_ARGUMENT_A* arg;
if (!argv || (argc < 1))
return -1;
printf("Usage: %s [options] [output file]\n", argv[0]);
printf("\n");
arg = args;
do
{
if (arg->Flags & COMMAND_LINE_VALUE_FLAG)
{
printf(" %s", "-");
printf("%-20s", arg->Name);
printf("\t%s\n", arg->Text);
}
else if ((arg->Flags & COMMAND_LINE_VALUE_REQUIRED) ||
(arg->Flags & COMMAND_LINE_VALUE_OPTIONAL))
{
printf(" %s", "-");
if (arg->Format)
{
size_t length = strlen(arg->Name) + strlen(arg->Format) + 2;
str = malloc(length + 1);
if (!str)
return -1;
sprintf_s(str, length + 1, "%s %s", arg->Name, arg->Format);
printf("%-20s", str);
free(str);
}
else
{
printf("%-20s", arg->Name);
}
printf("\t%s\n", arg->Text);
}
} while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);
return 1;
}
#ifdef WITH_OPENSSL
static int x509_add_ext(X509* cert, int nid, char* value)
{
X509V3_CTX ctx;
X509_EXTENSION* ext;
if (!cert || !value)
return 0;
X509V3_set_ctx_nodb(&ctx) X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
ext = X509V3_EXT_conf_nid(NULL, &ctx, nid, value);
if (!ext)
return 0;
X509_add_ext(cert, ext, -1);
X509_EXTENSION_free(ext);
return 1;
}
#endif
static char* x509_name_parse(char* name, char* txt, size_t* length)
{
char* p;
char* entry;
if (!name || !txt || !length)
return NULL;
p = strstr(name, txt);
if (!p)
return NULL;
entry = p + strlen(txt) + 1;
p = strchr(entry, '=');
if (!p)
*length = strlen(entry);
else
*length = (size_t)(p - entry);
return entry;
}
static char* x509_get_default_name(void)
{
CHAR* computerName = NULL;
DWORD nSize = 0;
if (GetComputerNameExA(ComputerNamePhysicalDnsFullyQualified, NULL, &nSize) ||
GetLastError() != ERROR_MORE_DATA)
goto fallback;
computerName = (CHAR*)calloc(1, nSize);
if (!computerName)
goto fallback;
if (!GetComputerNameExA(ComputerNamePhysicalDnsFullyQualified, computerName, &nSize))
goto fallback;
return computerName;
fallback:
free(computerName);
if (GetComputerNameExA(ComputerNamePhysicalNetBIOS, NULL, &nSize) ||
GetLastError() != ERROR_MORE_DATA)
return NULL;
computerName = (CHAR*)calloc(1, nSize);
if (!computerName)
return NULL;
if (!GetComputerNameExA(ComputerNamePhysicalNetBIOS, computerName, &nSize))
{
free(computerName);
return NULL;
}
return computerName;
}
static int command_line_pre_filter(MAKECERT_CONTEXT* context, int index, int argc, LPCSTR* argv)
{
if (!context || !argv || (index < 0) || (argc < 0))
return -1;
if (index == (argc - 1))
{
if (argv[index][0] != '-')
{
context->output_file = _strdup(argv[index]);
if (!context->output_file)
return -1;
return 1;
}
}
return 0;
}
static int makecert_context_parse_arguments(MAKECERT_CONTEXT* context,
COMMAND_LINE_ARGUMENT_A* args, int argc, char** argv)
{
int status;
DWORD flags;
COMMAND_LINE_ARGUMENT_A* arg;
if (!context || !argv || (argc < 0))
return -1;
/**
* makecert -r -pe -n "CN=%COMPUTERNAME%" -eku 1.3.6.1.5.5.7.3.1 -ss my -sr LocalMachine
* -sky exchange -sp "Microsoft RSA SChannel Cryptographic Provider" -sy 12
*/
CommandLineClearArgumentsA(args);
flags = COMMAND_LINE_SEPARATOR_SPACE | COMMAND_LINE_SIGIL_DASH;
status =
CommandLineParseArgumentsA(argc, argv, args, flags, context,
(COMMAND_LINE_PRE_FILTER_FN_A)command_line_pre_filter, NULL);
if (status & COMMAND_LINE_STATUS_PRINT_HELP)
{
makecert_print_command_line_help(args, argc, argv);
return 0;
}
arg = args;
errno = 0;
do
{
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
CommandLineSwitchStart(arg)
/* Basic Options */
CommandLineSwitchCase(arg, "silent")
{
context->silent = TRUE;
}
CommandLineSwitchCase(arg, "live")
{
context->live = TRUE;
}
CommandLineSwitchCase(arg, "format")
{
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
if (strcmp(arg->Value, "crt") == 0)
{
context->crtFormat = TRUE;
context->pemFormat = FALSE;
context->pfxFormat = FALSE;
}
else if (strcmp(arg->Value, "pem") == 0)
{
context->crtFormat = FALSE;
context->pemFormat = TRUE;
context->pfxFormat = FALSE;
}
else if (strcmp(arg->Value, "pfx") == 0)
{
context->crtFormat = FALSE;
context->pemFormat = FALSE;
context->pfxFormat = TRUE;
}
else
return -1;
}
CommandLineSwitchCase(arg, "path")
{
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
context->output_path = _strdup(arg->Value);
if (!context->output_path)
return -1;
}
CommandLineSwitchCase(arg, "p")
{
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
context->password = _strdup(arg->Value);
if (!context->password)
return -1;
}
CommandLineSwitchCase(arg, "n")
{
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
context->common_name = _strdup(arg->Value);
if (!context->common_name)
return -1;
}
CommandLineSwitchCase(arg, "y")
{
long val;
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
val = strtol(arg->Value, NULL, 0);
if ((errno != 0) || (val < 0) || (val > INT32_MAX))
return -1;
context->duration_years = (int)val;
}
CommandLineSwitchCase(arg, "m")
{
long val;
if (!(arg->Flags & COMMAND_LINE_ARGUMENT_PRESENT))
continue;
val = strtol(arg->Value, NULL, 0);
if ((errno != 0) || (val < 1) || (val > 12))
return -1;
context->duration_months = (int)val;
}
CommandLineSwitchDefault(arg)
{
}
CommandLineSwitchEnd(arg)
} while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);
return 1;
}
int makecert_context_set_output_file_name(MAKECERT_CONTEXT* context, char* name)
{
if (!context)
return -1;
free(context->output_file);
context->output_file = NULL;
if (name)
context->output_file = _strdup(name);
if (!context->output_file)
return -1;
return 1;
}
int makecert_context_output_certificate_file(MAKECERT_CONTEXT* context, char* path)
{
#ifdef WITH_OPENSSL
FILE* fp = NULL;
int status;
size_t length;
size_t offset;
char* filename = NULL;
char* fullpath = NULL;
char* ext;
int ret = -1;
BIO* bio = NULL;
char* x509_str = NULL;
if (!context || !path)
return -1;
if (!context->output_file)
{
context->output_file = _strdup(context->default_name);
if (!context->output_file)
return -1;
}
/*
* Output Certificate File
*/
length = strlen(context->output_file);
filename = malloc(length + 8);
if (!filename)
return -1;
if (context->crtFormat)
ext = "crt";
else if (context->pemFormat)
ext = "pem";
else if (context->pfxFormat)
ext = "pfx";
else
goto out_fail;
sprintf_s(filename, length + 8, "%s.%s", context->output_file, ext);
if (path)
fullpath = GetCombinedPath(path, filename);
else
fullpath = _strdup(filename);
if (!fullpath)
goto out_fail;
fp = winpr_fopen(fullpath, "w+");
if (fp)
{
if (context->pfxFormat)
{
if (!context->password)
{
context->password = _strdup("password");
if (!context->password)
goto out_fail;
printf("Using default export password \"password\"\n");
}
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
OpenSSL_add_all_algorithms();
OpenSSL_add_all_ciphers();
OpenSSL_add_all_digests();
#else
OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS |
OPENSSL_INIT_LOAD_CONFIG,
NULL);
#endif
context->pkcs12 = PKCS12_create(context->password, context->default_name, context->pkey,
context->x509, NULL, 0, 0, 0, 0, 0);
if (!context->pkcs12)
goto out_fail;
bio = BIO_new(BIO_s_mem());
if (!bio)
goto out_fail;
status = i2d_PKCS12_bio(bio, context->pkcs12);
if (status != 1)
goto out_fail;
x509_str = makecert_read_str(bio, &offset);
if (!x509_str)
goto out_fail;
length = offset;
if (fwrite((void*)x509_str, length, 1, fp) != 1)
goto out_fail;
}
else
{
bio = BIO_new(BIO_s_mem());
if (!bio)
goto out_fail;
if (!PEM_write_bio_X509(bio, context->x509))
goto out_fail;
x509_str = makecert_read_str(bio, &offset);
if (!x509_str)
goto out_fail;
length = offset;
if (fwrite(x509_str, length, 1, fp) != 1)
goto out_fail;
free(x509_str);
x509_str = NULL;
BIO_free_all(bio);
bio = NULL;
if (context->pemFormat)
{
bio = BIO_new(BIO_s_mem());
if (!bio)
goto out_fail;
status = PEM_write_bio_PrivateKey(bio, context->pkey, NULL, NULL, 0, NULL, NULL);
if (status < 0)
goto out_fail;
x509_str = makecert_read_str(bio, &offset);
if (!x509_str)
goto out_fail;
length = offset;
if (fwrite(x509_str, length, 1, fp) != 1)
goto out_fail;
}
}
}
ret = 1;
out_fail:
BIO_free_all(bio);
if (fp)
fclose(fp);
free(x509_str);
free(filename);
free(fullpath);
return ret;
#else
return 1;
#endif
}
int makecert_context_output_private_key_file(MAKECERT_CONTEXT* context, char* path)
{
#ifdef WITH_OPENSSL
FILE* fp = NULL;
size_t length;
size_t offset;
char* filename = NULL;
char* fullpath = NULL;
int ret = -1;
BIO* bio = NULL;
char* x509_str = NULL;
if (!context->crtFormat)
return 1;
if (!context->output_file)
{
context->output_file = _strdup(context->default_name);
if (!context->output_file)
return -1;
}
/**
* Output Private Key File
*/
length = strlen(context->output_file);
filename = malloc(length + 8);
if (!filename)
return -1;
sprintf_s(filename, length + 8, "%s.key", context->output_file);
if (path)
fullpath = GetCombinedPath(path, filename);
else
fullpath = _strdup(filename);
if (!fullpath)
goto out_fail;
fp = winpr_fopen(fullpath, "w+");
if (!fp)
goto out_fail;
bio = BIO_new(BIO_s_mem());
if (!bio)
goto out_fail;
if (!PEM_write_bio_PrivateKey(bio, context->pkey, NULL, NULL, 0, NULL, NULL))
goto out_fail;
x509_str = makecert_read_str(bio, &offset);
if (!x509_str)
goto out_fail;
length = offset;
if (fwrite((void*)x509_str, length, 1, fp) != 1)
goto out_fail;
ret = 1;
out_fail:
if (fp)
fclose(fp);
BIO_free_all(bio);
free(x509_str);
free(filename);
free(fullpath);
return ret;
#else
return 1;
#endif
}
int makecert_context_process(MAKECERT_CONTEXT* context, int argc, char** argv)
{
COMMAND_LINE_ARGUMENT_A args[] = {
/* Custom Options */
{ "rdp", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Unsupported - Generate certificate with required options for RDP usage." },
{ "silent", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Silently generate certificate without verbose output." },
{ "live", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Generate certificate live in memory when used as a library." },
{ "format", COMMAND_LINE_VALUE_REQUIRED, "<crt|pem|pfx>", NULL, NULL, -1, NULL,
"Specify certificate file format" },
{ "path", COMMAND_LINE_VALUE_REQUIRED, "<path>", NULL, NULL, -1, NULL,
"Specify certificate file output path" },
{ "p", COMMAND_LINE_VALUE_REQUIRED, "<password>", NULL, NULL, -1, NULL,
"Specify certificate export password" },
/* Basic Options */
{ "n", COMMAND_LINE_VALUE_REQUIRED, "<name>", NULL, NULL, -1, NULL,
"Specifies the subject's certificate name. This name must conform to the X.500 standard. "
"The simplest method is to specify the name in double quotes, preceded by CN=; for "
"example, "
"-n \"CN=myName\"." },
{ "pe", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Unsupported - Marks the generated private key as exportable. This allows the private "
"key to "
"be included in the certificate." },
{ "sk", COMMAND_LINE_VALUE_REQUIRED, "<keyname>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's key container location, which contains the "
"private "
"key. "
"If a key container does not exist, it will be created." },
{ "sr", COMMAND_LINE_VALUE_REQUIRED, "<location>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's certificate store location. location can be "
"either "
"currentuser (the default) or localmachine." },
{ "ss", COMMAND_LINE_VALUE_REQUIRED, "<store>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's certificate store name that stores the output "
"certificate." },
{ "#", COMMAND_LINE_VALUE_REQUIRED, "<number>", NULL, NULL, -1, NULL,
"Specifies a serial number from 1 to 2,147,483,647. The default is a unique value "
"generated "
"by Makecert.exe." },
{ "$", COMMAND_LINE_VALUE_REQUIRED, "<authority>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the signing authority of the certificate, which must be set to "
"either commercial "
"(for certificates used by commercial software publishers) or individual (for "
"certificates "
"used by individual software publishers)." },
/* Extended Options */
{ "a", COMMAND_LINE_VALUE_REQUIRED, "<algorithm>", NULL, NULL, -1, NULL,
"Specifies the signature algorithm. algorithm must be md5, sha1, sha256 (the default), "
"sha384, or sha512." },
{ "b", COMMAND_LINE_VALUE_REQUIRED, "<mm/dd/yyyy>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the start of the validity period. Defaults to the current "
"date." },
{ "crl", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Unsupported - Generates a certificate relocation list (CRL) instead of a certificate." },
{ "cy", COMMAND_LINE_VALUE_REQUIRED, "<certType>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the certificate type. Valid values are end for end-entity and "
"authority for certification authority." },
{ "e", COMMAND_LINE_VALUE_REQUIRED, "<mm/dd/yyyy>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the end of the validity period. Defaults to 12/31/2039 11:59:59 "
"GMT." },
{ "eku", COMMAND_LINE_VALUE_REQUIRED, "<oid[,oid…]>", NULL, NULL, -1, NULL,
"Unsupported - Inserts a list of comma-separated, enhanced key usage object identifiers "
"(OIDs) into the certificate." },
{ "h", COMMAND_LINE_VALUE_REQUIRED, "<number>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the maximum height of the tree below this certificate." },
{ "ic", COMMAND_LINE_VALUE_REQUIRED, "<file>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's certificate file." },
{ "ik", COMMAND_LINE_VALUE_REQUIRED, "<keyName>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's key container name." },
{ "iky", COMMAND_LINE_VALUE_REQUIRED, "<keyType>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's key type, which must be one of the following: "
"signature (which indicates that the key is used for a digital signature), "
"exchange (which indicates that the key is used for key encryption and key exchange), "
"or an integer that represents a provider type. "
"By default, you can pass 1 for an exchange key or 2 for a signature key." },
{ "in", COMMAND_LINE_VALUE_REQUIRED, "<name>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's certificate common name." },
{ "ip", COMMAND_LINE_VALUE_REQUIRED, "<provider>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's CryptoAPI provider name. For information about the "
"CryptoAPI provider name, see the –sp option." },
{ "ir", COMMAND_LINE_VALUE_REQUIRED, "<location>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the location of the issuer's certificate store. location can be "
"either currentuser (the default) or localmachine." },
{ "is", COMMAND_LINE_VALUE_REQUIRED, "<store>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's certificate store name." },
{ "iv", COMMAND_LINE_VALUE_REQUIRED, "<pvkFile>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's .pvk private key file." },
{ "iy", COMMAND_LINE_VALUE_REQUIRED, "<type>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the issuer's CryptoAPI provider type. For information about the "
"CryptoAPI provider type, see the –sy option." },
{ "l", COMMAND_LINE_VALUE_REQUIRED, "<link>", NULL, NULL, -1, NULL,
"Unsupported - Links to policy information (for example, to a URL)." },
{ "len", COMMAND_LINE_VALUE_REQUIRED, "<number>", NULL, NULL, -1, NULL,
"Specifies the generated key length, in bits." },
{ "m", COMMAND_LINE_VALUE_REQUIRED, "<number>", NULL, NULL, -1, NULL,
"Specifies the duration, in months, of the certificate validity period." },
{ "y", COMMAND_LINE_VALUE_REQUIRED, "<number>", NULL, NULL, -1, NULL,
"Specifies the duration, in years, of the certificate validity period." },
{ "nscp", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Unsupported - Includes the Netscape client-authorization extension." },
{ "r", COMMAND_LINE_VALUE_FLAG, NULL, NULL, NULL, -1, NULL,
"Unsupported - Creates a self-signed certificate." },
{ "sc", COMMAND_LINE_VALUE_REQUIRED, "<file>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's certificate file." },
{ "sky", COMMAND_LINE_VALUE_REQUIRED, "<keyType>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's key type, which must be one of the following: "
"signature (which indicates that the key is used for a digital signature), "
"exchange (which indicates that the key is used for key encryption and key exchange), "
"or an integer that represents a provider type. "
"By default, you can pass 1 for an exchange key or 2 for a signature key." },
{ "sp", COMMAND_LINE_VALUE_REQUIRED, "<provider>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's CryptoAPI provider name, which must be defined in "
"the "
"registry subkeys of "
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography\\Defaults\\Provider. If both –sp "
"and "
"–sy are present, "
"the type of the CryptoAPI provider must correspond to the Type value of the provider's "
"subkey." },
{ "sv", COMMAND_LINE_VALUE_REQUIRED, "<pvkFile>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's .pvk private key file. The file is created if "
"none "
"exists." },
{ "sy", COMMAND_LINE_VALUE_REQUIRED, "<type>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the subject's CryptoAPI provider type, which must be defined in "
"the "
"registry subkeys of "
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography\\Defaults\\Provider Types. If "
"both "
"–sy and –sp are present, "
"the name of the CryptoAPI provider must correspond to the Name value of the provider "
"type "
"subkey." },
{ "tbs", COMMAND_LINE_VALUE_REQUIRED, "<file>", NULL, NULL, -1, NULL,
"Unsupported - Specifies the certificate or CRL file to be signed." },
/* Help */
{ "?", COMMAND_LINE_VALUE_FLAG | COMMAND_LINE_PRINT_HELP, NULL, NULL, NULL, -1, "help",
"print help" },
{ "!", COMMAND_LINE_VALUE_FLAG | COMMAND_LINE_PRINT_HELP, NULL, NULL, NULL, -1, "help-ext",
"print extended help" },
{ NULL, 0, NULL, NULL, NULL, -1, NULL, NULL }
};
#ifdef WITH_OPENSSL
size_t length;
char* entry;
int key_length;
long serial = 0;
X509_NAME* name = NULL;
const EVP_MD* md = NULL;
COMMAND_LINE_ARGUMENT_A* arg;
int ret;
ret = makecert_context_parse_arguments(context, args, argc, argv);
if (ret < 1)
{
return ret;
}
if (!context->default_name && !context->common_name)
{
context->default_name = x509_get_default_name();
if (!context->default_name)
return -1;
}
else
{
context->default_name = _strdup(context->common_name);
if (!context->default_name)
return -1;
}
if (!context->common_name)
{
context->common_name = _strdup(context->default_name);
if (!context->common_name)
return -1;
}
if (!context->pkey)
context->pkey = EVP_PKEY_new();
if (!context->pkey)
return -1;
if (!context->x509)
context->x509 = X509_new();
if (!context->x509)
return -1;
key_length = 2048;
arg = CommandLineFindArgumentA(args, "len");
if (arg->Flags & COMMAND_LINE_VALUE_PRESENT)
{
unsigned long val = strtoul(arg->Value, NULL, 0);
if ((errno != 0) || (val > INT_MAX))
return -1;
key_length = (int)val;
}
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
context->rsa = RSA_generate_key(key_length, RSA_F4, NULL, NULL);
#else
{
BIGNUM* rsa = BN_secure_new();
int rc;
if (!rsa)
return -1;
context->rsa = RSA_new();
if (!context->rsa)
{
BN_clear_free(rsa);
return -1;
}
BN_set_word(rsa, RSA_F4);
rc = RSA_generate_key_ex(context->rsa, key_length, rsa, NULL);
BN_clear_free(rsa);
if (rc != 1)
return -1;
}
#endif
if (!EVP_PKEY_assign_RSA(context->pkey, context->rsa))
return -1;
context->rsa = NULL;
X509_set_version(context->x509, 2);
arg = CommandLineFindArgumentA(args, "#");
if (arg->Flags & COMMAND_LINE_VALUE_PRESENT)
{
serial = strtol(arg->Value, NULL, 0);
if (errno != 0)
return -1;
}
else
serial = (long)GetTickCount64();
ASN1_INTEGER_set(X509_get_serialNumber(context->x509), serial);
{
ASN1_TIME* before;
ASN1_TIME* after;
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
before = X509_get_notBefore(context->x509);
after = X509_get_notAfter(context->x509);
#else
before = X509_getm_notBefore(context->x509);
after = X509_getm_notAfter(context->x509);
#endif
X509_gmtime_adj(before, 0);
if (context->duration_months)
X509_gmtime_adj(after, (long)(60 * 60 * 24 * 31 * context->duration_months));
else if (context->duration_years)
X509_gmtime_adj(after, (long)(60 * 60 * 24 * 365 * context->duration_years));
}
X509_set_pubkey(context->x509, context->pkey);
name = X509_get_subject_name(context->x509);
arg = CommandLineFindArgumentA(args, "n");
if (arg->Flags & COMMAND_LINE_VALUE_PRESENT)
{
entry = x509_name_parse(arg->Value, "C", &length);
if (entry)
X509_NAME_add_entry_by_txt(name, "C", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
entry = x509_name_parse(arg->Value, "ST", &length);
if (entry)
X509_NAME_add_entry_by_txt(name, "ST", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
entry = x509_name_parse(arg->Value, "L", &length);
if (entry)
X509_NAME_add_entry_by_txt(name, "L", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
entry = x509_name_parse(arg->Value, "O", &length);
if (entry)
X509_NAME_add_entry_by_txt(name, "O", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
entry = x509_name_parse(arg->Value, "OU", &length);
if (entry)
X509_NAME_add_entry_by_txt(name, "OU", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
entry = context->common_name;
length = strlen(entry);
X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
}
else
{
entry = context->common_name;
length = strlen(entry);
X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_UTF8, (const unsigned char*)entry,
(int)length, -1, 0);
}
X509_set_issuer_name(context->x509, name);
x509_add_ext(context->x509, NID_ext_key_usage, "serverAuth");
arg = CommandLineFindArgumentA(args, "a");
md = EVP_sha256();
if (arg->Flags & COMMAND_LINE_VALUE_PRESENT)
{
md = EVP_get_digestbyname(arg->Value);
if (!md)
return -1;
}
if (!X509_sign(context->x509, context->pkey, md))
return -1;
/**
* Print certificate
*/
if (!context->silent)
{
BIO* bio;
int status;
char* x509_str;
bio = BIO_new(BIO_s_mem());
if (!bio)
return -1;
status = X509_print(bio, context->x509);
if (status < 0)
{
BIO_free_all(bio);
return -1;
}
x509_str = makecert_read_str(bio, NULL);
if (!x509_str)
{
BIO_free_all(bio);
return -1;
}
printf("%s", x509_str);
free(x509_str);
BIO_free_all(bio);
}
/**
* Output certificate and private key to files
*/
if (!context->live)
{
if (!winpr_PathFileExists(context->output_path))
{
if (!CreateDirectoryA(context->output_path, NULL))
return -1;
}
if (makecert_context_output_certificate_file(context, context->output_path) != 1)
return -1;
if (context->crtFormat)
{
if (makecert_context_output_private_key_file(context, context->output_path) < 0)
return -1;
}
}
#endif
return 0;
}
MAKECERT_CONTEXT* makecert_context_new(void)
{
MAKECERT_CONTEXT* context = (MAKECERT_CONTEXT*)calloc(1, sizeof(MAKECERT_CONTEXT));
if (context)
{
context->crtFormat = TRUE;
context->duration_years = 1;
}
return context;
}
void makecert_context_free(MAKECERT_CONTEXT* context)
{
if (context)
{
free(context->password);
free(context->default_name);
free(context->common_name);
free(context->output_file);
free(context->output_path);
#ifdef WITH_OPENSSL
X509_free(context->x509);
EVP_PKEY_free(context->pkey);
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
CRYPTO_cleanup_all_ex_data();
#endif
#endif
free(context);
}
}