#include <errno.h>
#include <stdio.h>
#include <time.h>
#include <openssl/asn1.h>
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/lhash.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
const char *
X509_verify_cert_error_string(long n)
{
static char buf[100];
switch ((int)n) {
case X509_V_OK:
return("ok");
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
return("unable to get issuer certificate");
case X509_V_ERR_UNABLE_TO_GET_CRL:
return("unable to get certificate CRL");
case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
return("unable to decrypt certificate's signature");
case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
return("unable to decrypt CRL's signature");
case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
return("unable to decode issuer public key");
case X509_V_ERR_CERT_SIGNATURE_FAILURE:
return("certificate signature failure");
case X509_V_ERR_CRL_SIGNATURE_FAILURE:
return("CRL signature failure");
case X509_V_ERR_CERT_NOT_YET_VALID:
return("certificate is not yet valid");
case X509_V_ERR_CRL_NOT_YET_VALID:
return("CRL is not yet valid");
case X509_V_ERR_CERT_HAS_EXPIRED:
return("certificate has expired");
case X509_V_ERR_CRL_HAS_EXPIRED:
return("CRL has expired");
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
return("format error in certificate's notBefore field");
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
return("format error in certificate's notAfter field");
case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
return("format error in CRL's lastUpdate field");
case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
return("format error in CRL's nextUpdate field");
case X509_V_ERR_OUT_OF_MEM:
return("out of memory");
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
return("self signed certificate");
case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
return("self signed certificate in certificate chain");
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
return("unable to get local issuer certificate");
case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
return("unable to verify the first certificate");
case X509_V_ERR_CERT_CHAIN_TOO_LONG:
return("certificate chain too long");
case X509_V_ERR_CERT_REVOKED:
return("certificate revoked");
case X509_V_ERR_INVALID_CA:
return ("invalid CA certificate");
case X509_V_ERR_INVALID_NON_CA:
return ("invalid non-CA certificate (has CA markings)");
case X509_V_ERR_PATH_LENGTH_EXCEEDED:
return ("path length constraint exceeded");
case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
return("proxy path length constraint exceeded");
case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
return("proxy certificates not allowed, please set the appropriate flag");
case X509_V_ERR_INVALID_PURPOSE:
return ("unsupported certificate purpose");
case X509_V_ERR_CERT_UNTRUSTED:
return ("certificate not trusted");
case X509_V_ERR_CERT_REJECTED:
return ("certificate rejected");
case X509_V_ERR_APPLICATION_VERIFICATION:
return("application verification failure");
case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
return("subject issuer mismatch");
case X509_V_ERR_AKID_SKID_MISMATCH:
return("authority and subject key identifier mismatch");
case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
return("authority and issuer serial number mismatch");
case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
return("key usage does not include certificate signing");
case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
return("unable to get CRL issuer certificate");
case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
return("unhandled critical extension");
case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
return("key usage does not include CRL signing");
case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
return("key usage does not include digital signature");
case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
return("unhandled critical CRL extension");
case X509_V_ERR_INVALID_EXTENSION:
return("invalid or inconsistent certificate extension");
case X509_V_ERR_INVALID_POLICY_EXTENSION:
return("invalid or inconsistent certificate policy extension");
case X509_V_ERR_NO_EXPLICIT_POLICY:
return("no explicit policy");
case X509_V_ERR_DIFFERENT_CRL_SCOPE:
return("Different CRL scope");
case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
return("Unsupported extension feature");
case X509_V_ERR_UNNESTED_RESOURCE:
return("RFC 3779 resource not subset of parent's resources");
case X509_V_ERR_PERMITTED_VIOLATION:
return("permitted subtree violation");
case X509_V_ERR_EXCLUDED_VIOLATION:
return("excluded subtree violation");
case X509_V_ERR_SUBTREE_MINMAX:
return("name constraints minimum and maximum not supported");
case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
return("unsupported name constraint type");
case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
return("unsupported or invalid name constraint syntax");
case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
return("unsupported or invalid name syntax");
case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
return("CRL path validation error");
case X509_V_ERR_HOSTNAME_MISMATCH:
return("Hostname mismatch");
case X509_V_ERR_EMAIL_MISMATCH:
return("Email address mismatch");
case X509_V_ERR_IP_ADDRESS_MISMATCH:
return("IP address mismatch");
case X509_V_ERR_INVALID_CALL:
return("Invalid certificate verification context");
case X509_V_ERR_STORE_LOOKUP:
return("Issuer certificate lookup error");
case X509_V_ERR_EE_KEY_TOO_SMALL:
return("EE certificate key too weak");
case X509_V_ERR_CA_KEY_TOO_SMALL:
return("CA certificate key too weak");
case X509_V_ERR_CA_MD_TOO_WEAK:
return("CA signature digest algorithm too weak");
default:
(void) snprintf(buf, sizeof buf, "error number %ld", n);
return(buf);
}
}
