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Make sure the serial number field is always initialized 

fixes #9947
This commit is contained in:
Gunnar Beutner 2015-08-18 14:40:23 +02:00
parent 0cbcb75e79
commit 5a72eaa768
3 changed files with 33 additions and 40 deletions
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53
lib/base/tlsutility.cpp
View File

@ -21,6 +21,7 @@
#include "base/convert.hpp"
#include "base/logger.hpp"
#include "base/context.hpp"
#include "base/utility.hpp"
#include "base/application.hpp"
#include "base/exception.hpp"
#include <fstream>
@ -247,7 +248,7 @@ boost::shared_ptr<X509> GetX509Certificate(const String& pemfile)
return boost::shared_ptr<X509>(cert, X509_free);
}
int MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile, const String& certfile, bool ca)
int MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile, const String& certfile, const String& serialfile, bool ca)
{
char errbuf[120];
@ -291,7 +292,7 @@ int MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile,
X509_NAME *subject = X509_NAME_new();
X509_NAME_add_entry_by_txt(subject, "CN", MBSTRING_ASC, (unsigned char *)cn.CStr(), -1, -1, 0);
boost::shared_ptr<X509> cert = CreateCert(key, subject, subject, key, ca);
boost::shared_ptr<X509> cert = CreateCert(key, subject, subject, key, ca, serialfile);
X509_NAME_free(subject);
@ -379,16 +380,18 @@ boost::shared_ptr<X509> CreateCert(EVP_PKEY *pubkey, X509_NAME *subject, X509_NA
X509_set_subject_name(cert, subject);
X509_set_issuer_name(cert, issuer);
int serial = 1;
if (!serialfile.IsEmpty()) {
int serial = 0;
if (Utility::PathExists(serialfile)) {
std::ifstream ifp;
ifp.open(serialfile.CStr());
ifp >> std::hex >> serial;
ifp.close();
std::ifstream ifp;
ifp.open(serialfile.CStr());
ifp >> std::hex >> serial;
ifp.close();
if (ifp.fail())
BOOST_THROW_EXCEPTION(std::runtime_error("Could not read serial file."));
if (ifp.fail())
BOOST_THROW_EXCEPTION(std::runtime_error("Could not read serial file."));
}
std::ofstream ofp;
ofp.open(serialfile.CStr());
@ -397,22 +400,28 @@ boost::shared_ptr<X509> CreateCert(EVP_PKEY *pubkey, X509_NAME *subject, X509_NA
if (ofp.fail())
BOOST_THROW_EXCEPTION(std::runtime_error("Could not update serial file."));
ASN1_INTEGER_set(X509_get_serialNumber(cert), serial);
}
if (ca) {
X509_EXTENSION *ext;
X509V3_CTX ctx;
X509V3_set_ctx_nodb(&ctx);
X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
ext = X509V3_EXT_conf_nid(NULL, &ctx, NID_basic_constraints, const_cast<char *>("critical,CA:TRUE"));
ASN1_INTEGER_set(X509_get_serialNumber(cert), serial);
if (ext)
X509_add_ext(cert, ext, -1);
X509_EXTENSION *ext;
X509V3_CTX ctx;
X509V3_set_ctx_nodb(&ctx);
X509V3_set_ctx(&ctx, cert, cert, NULL, NULL, 0);
X509_EXTENSION_free(ext);
}
const char *attr;
if (ca)
attr = "critical,CA:TRUE";
else
attr = "critical,CA:FALSE";
ext = X509V3_EXT_conf_nid(NULL, &ctx, NID_basic_constraints, const_cast<char *>(attr));
if (ext)
X509_add_ext(cert, ext, -1);
X509_EXTENSION_free(ext);
X509_sign(cert, cakey, EVP_sha256());

2
lib/base/tlsutility.hpp
View File

@ -42,7 +42,7 @@ boost::shared_ptr<SSL_CTX> I2_BASE_API MakeSSLContext(const String& pubkey, cons
void I2_BASE_API AddCRLToSSLContext(const boost::shared_ptr<SSL_CTX>& context, const String& crlPath);
String I2_BASE_API GetCertificateCN(const boost::shared_ptr<X509>& certificate);
boost::shared_ptr<X509> I2_BASE_API GetX509Certificate(const String& pemfile);
int I2_BASE_API MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile = String(), const String& certfile = String(), bool ca = false);
int I2_BASE_API MakeX509CSR(const String& cn, const String& keyfile, const String& csrfile = String(), const String& certfile = String(), const String& serialFile = String(), bool ca = false);
boost::shared_ptr<X509> I2_BASE_API CreateCert(EVP_PKEY *pubkey, X509_NAME *subject, X509_NAME *issuer, EVP_PKEY *cakey, bool ca, const String& serialfile = String());
String I2_BASE_API GetIcingaCADir(void);
String I2_BASE_API CertificateToString(const boost::shared_ptr<X509>& cert);

18
lib/cli/pkiutility.cpp
View File

@ -59,23 +59,7 @@ int PkiUtility::NewCa(void)
return 1;
}
MakeX509CSR("Icinga CA", cadir + "/ca.key", String(), cadir + "/ca.crt", true);
String serialpath = cadir + "/serial.txt";
Log(LogInformation, "cli")
<< "Initializing serial file in '" << serialpath << "'.";
std::ofstream fp;
fp.open(serialpath.CStr());
fp << "01";
fp.close();
if (fp.fail()) {
Log(LogCritical, "cli")
<< "Could not create serial file '" << serialpath << "'";
return 1;
}
MakeX509CSR("Icinga CA", cadir + "/ca.key", String(), cadir + "/ca.crt", cadir + "/serial.txt", true);
return 0;
}