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messages.c
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messages.c
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/*
* Copyright (c) 2016 Kurt Roeckx <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "checks.h"
#include <stdlib.h>
#include <string.h>
static const char* error_strings[] = {
"E: Error parsing certificate\n", /* ERR_INVALID*/
"E: Issuer without organizationName\n", /* ERR_ISSUER_ORG_NAME*/
"E: Issuer without countryName\n", /* ERR_ISSUER_COUNTRY */
"E: Subject without organizationName, givenName or surname but with "
"streetAddress\n", /* ERR_SUBJECT_ADDR */
"E: Subject with organizationName, givenName or surname but without "
"stateOrProvince or localityName\n", /* ERR_SUBJECT_ORG_NO_PLACE */
"E: Subject without organizationName, givenName or surname but with "
"stateOrProvince or localityName\n", /* ERR_SUBJECT_NO_ORG_PLACE */
"E: Fails decoding the characterset\n", /*ERR_INVALID_ENCODING */
"E: Contains a null character in the string\n", /* ERR_STRING_WITH_NUL */
"E: Name entry contains an invalid type\n", /* ERR_INVALID_NAME_ENTRY_TYPE
*/
"E: The string contains non-printable control characters\n", /* ERR_NON_PRINTABLE
*/
"E: Subject with organizationName, givenName or surname but without "
"countryName\n", /* ERR_SUBJECT_COUNTRY */
"E: Domain validated certificate with organizationName\n", /* ERR_DOMAIN_WITH_ORG
*/
"E: Organization validated certificate but without organizationName\n", /* ERR_ORGANIZATION_WITHOUT_ORG
*/
"E: No policy extension\n", /* ERR_NO_POLICY */
"E: No Subject alternative name extension\n", /* ERR_NO_SUBJECT_ALT_NAME */
"E: Certificate not version 3\n", /* ERR_NOT_VERSION3 */
"E: Error parsing URL\n", /* ERR_INVALID_URL */
"E: The certificate is valid for longer than 60 months\n", /* ERR_LONGER_60_MONTHS
*/
"E: countryName not 2 characters long\n", /* ERR_COUNTRY_SIZE */
"E: Invalid time format\n", /* ERR_INVALID_TIME_FORMAT */
"E: Duplicate extension\n", /* ERR_DUPLICATE_EXTENSION */
"E: CRL DistributionPoint without distributionPoint or cRLIssuer\n", /* ERR_CRL_DIST_POINT_WITHOUT_DISTPOINT_OR_ISSUER
*/
"E: Invalid display text type\n", /* ERR_INVALID_DISPLAY_TEXT_TYPE */
"E: Invalid display text length\n", /* ERR_INVALID_DISPLAY_TEXT_LENGTH */
"E: Invalid user notice type\n", /* ERR_INVALID_TYPE_USER_NOTICE */
"E: Invalid policy qualifier id\n", /* ERR_INVALID_POLICY_QUALIFIER_ID */
"E: Individual without name\n", /* ERR_INDIVIDUAL_WITHOUT_NAME */
"E: Individual without country\n", /* ERR_INDIVIDUAL_WITHOUT_COUNTRY */
"E: EV certificate without organization\n", /* ERR_EV_WITHOUT_ORGANIZATION
*/
"E: EV certificate without business\n", /* ERR_EV_WITHOUT_BUSINESS */
"E: EV certificate without jurisdiction country\n", /* ERR_EV_WITHOUT_JURISDICTION_COUNTRY
*/
"E: EV certificate without number\n", /* ERR_EV_WITHOUT_NUMBER */
"E: Domain validated certificate but with streetAddress\n", /* ERR_DOMAIN_WITH_STREET
*/
"E: Domain validated certificate but with localityName\n", /* ERR_DOMAIN_WITH_LOCALITY
*/
"E: Domain validated certificate but with stateOrProvinceName\n", /* ERR_DOMAIN_WITH_STATE
*/
"E: Domain validated certificate but with postalCode\n", /* ERR_DOMAIN_WITH_POSTAL
*/
"E: Organization validated certificate but without country\n", /* ERR_ORGANIZATION_WITHOUT_COUNTRY
*/
"E: commonName too long\n", /* ERR_COMMON_NAME_SIZE */
"E: localityName too long\n", /* ERR_LOCALITY_NAME_SIZE */
"E: stateOrProvinceName too long\n", /* ERR_STATE_NAME_SIZE */
"E: organizationName too long\n", /* ERR_ORGANIZATION_NAME_SIZE */
"E: organizationalUnitName too long\n", /* ERR_ORGANIZATIONAL_UNIT_NAME_SIZE
*/
"E: serialNumber too long\n", /* ERR_SERIAL_NUMBER_SIZE */
"E: postalCode too long\n", /* ERR_POSTAL_CODE_SIZE */
"E: emailAddress too long\n", /* ERR_EMAIL_SIZE */
"E: givenName too long\n", /* ERR_GIVEN_NAME_SIZE */
"E: surname too long\n", /* ERR_SURNAME_SIZE */
"E: streetAddress too long\n", /* ERR_STREET_ADDRESS_SIZE */
"E: authorityInformationAccess is marked critical\n", /* ERR_AIA_CRITICAL */
"E: No OCSP over HTTP\n", /* ERR_NO_OCSP_HTTP */
"E: no authorityInformationAccess extension\n", /* ERR_NO_AIA */
"E: Invalid type in SAN entry\n", /* ERR_SAN_TYPE */
"E: Invalid type in GeneralName\n", /* ERR_GEN_NAME_TYPE */
"E: EV certificate valid longer than 27 months\n", /* ERR_EV_LONGER_27_MONTHS
*/
"E: subjectAltName without name\n", /* ERR_SAN_WITHOUT_NAME */
"E: Invalid length of IP address\n", /* ERR_IP_FAMILY */
"E: commonName not in subjectAltName extension\n", /* ERR_CN_NOT_IN_SAN */
"E: Invalid length of businessCategory\n", /* ERR_BUSINESS_CATEGORY_SIZE */
"E: Invalid length of dnQualifier\n", /* ERR_DN_QUALIFIER_SIZE */
"E: URL contains a null character\n", /* ERR_URL_WITH_NUL */
"E: postOfficeBox too long\n", /* ERR_POST_OFFICE_BOX_SIZE */
"E: IP address in dns name\n", /* ERR_IP_IN_DNSNAME */
"E: Serial number not positive\n", /* ERR_SERIAL_NOT_POSITIVE */
"E: Serial number too large\n", /* ERR_SERIAL_TOO_LARGE */
"E: ASN1 integer not minimally encoded\n", /* ERR_ASN1_INTEGER_NOT_MINIMAL
*/
"E: RSA modulus smaller than 2048 bit\n", /* ERR_RSA_SIZE_2048 */
"E: RSA public exponent not odd\n", /* ERR_RSA_EXP_NOT_ODD */
"E: RSA public exponent not equal to 3 or more\n", /* ERR_RSA_EXP_3 */
"E: RSA modulus has small factor\n", /* ERR_RSA_SMALL_FACTOR */
"E: EC point at infinity\n", /* ERR_EC_AT_INFINITY */
"E: EC point not on curve\n", /* ERR_EC_POINT_NOT_ON_CURVE */
"E: EC key has invalid group order\n", /* ERR_EC_INVALID_GROUP_ORDER */
"E: EC key has incorrect group order\n", /* ERR_EC_INCORRECT_ORDER */
"E: EC curve is not one of the allowed curves\n", /* ERR_EC_NON_ALLOWED_CURVE
*/
"E: Unknown public key type\n", /* ERR_UNKNOWN_PUBLIC_KEY_TYPE */
"E: Subject without organizationName, givenName or surname but with "
"postalCode\n", /* ERR_SUBJECT_POSTAL */
"E: Domain validated certificate but with givenName or surname\n", /* ERR_DOMAIN_WITH_NAME
*/
"E: Subject with givenName or surname but without the CAB IV policy oid\n", /* ERR_NAME_NO_IV_POLICY */
"E: CA root certificate with Extended Key Usage\n", /* ERR_ROOT_CA_WITH_EKU
*/
"E: Extended Key Usage without any entries\n", /* ERR_EMPTY_EKU */
"E: Extended Key Usage lacks a required purpose\n", /* ERR_MISSING_EKU */
"E: Invalid length of domainComponent\n", /* ERR_DOMAINCOMPONENT_SIZE */
"E: Invalid length of unstructuredName\n", /* ERR_UNSTRUCTUREDNAME_SIZE */
"E: Teletex string with an escape sequence\n", /* ERR_TELETEX_WITH_ESCAPE */
"E: Baseline Requirements policy present for non server authentication "
"certificate\n", /* ERR_POLICY_BR */
"E: RSA modulus is negative\n", /* ERR_RSA_MODULUS_NEGATIVE */
"E: No key usage\n", /* ERR_NO_KEY_USAGE */
"E: Key usage is empty\n", /* ERR_KEY_USAGE_EMPTY */
"E: Key usage is too long\n", /* ERR_KEY_USAGE_TOO_LONG */
"E: Key usage has keyCertSign\n", /* ERR_KEY_USAGE_HAS_CERT_SIGN */
"E: AKID missing\n", /* ERR_AKID_MISSING */
"E: No CRL distpoint with all reasons\n", /* ERR_NOT_ALL_CRL_REASONS */
"E: CRL DistributionPoint's cRLIssuer empty\n", /* ERR_CRL_ISSUER_EMPTY */
"E: CRL DistributionPoint's cRLIssuer not a directoryName\n", /* ERR_CRL_ISSUER_NOT_DIRNAME
*/
"E: CRL DistributionPoint's distributionPoint empty\n", /* ERR_CRL_DISTPOINT_EMPTY
*/
"E: CRL DistributionPoint's cRLIssuer is relative, but has more than 1 "
"entry\n", /* ERR_RELATIVE_CRL_ISSUER_COUNT */
"E: Invalid CRL reason\n", /* ERR_INVALID_CRL_REASON */
"E: CA certificate without Basic Constraints\n", /* ERR_NO_BASIC_CONSTRAINTS
*/
"E: CA certificate with non-critical Basic Constraints\n", /* ERR_BASIC_CONSTRAINTS_NOT_CRITICAL
*/
"E: CA certificate with CA:false\n", /* ERR_CA_CERT_NOT_CA */
"E: Basic Constraints with negative length\n", /* ERR_BASIC_CONSTRAINTS_NEG_PATHLEN
*/
"E: Basic Constraints with pathlen for non-CA\n", /* ERR_BASIC_CONSTRAINTS_NO_CA_PATHLEN
*/
"E: Empty issuer\n", /* ERR_EMPTY_ISSUER */
"E: Empty subject\n", /* ERR_EMPTY_SUBJECT */
"E: SAN is not critical\n", /* ERR_SAN_NOT_CRITICAL */
"E: Key usage not critical\n", /* ERR_KEY_USAGE_NOT_CRITICAL */
"E: Empty SAN\n", /* ERR_SAN_EMPTY */
"E: Signature algorithm mismatch\n", /* ERR_SIG_ALG_MISMATCH */
"E: AKID is critical\n", /* ERR_AKID_CRITICAL */
"E: SKID missing\n", /* ERR_SKID_MISSING */
"E: SKID critical\n", /* ERR_SKID_CRITICAL */
"E: Signature algorithm parameter missing\n", /* ERR_SIG_ALG_PARAMETER_MISSING
*/
"E: Bit string with leading 0\n", /* ERR_BIT_STRING_LEADING_0 */
"E: Signature algorithm parameter not NULL\n", /* ERR_SIG_ALG_PARAMETER_NOT_NULL
*/
"E: Unkonwn signature algorithm\n", /* ERR_UNKNOWN_SIGNATURE_ALGORITHM */
"E: Signature algorithm parameter present\n", /* ERR_SIG_ALG_PARAMETER_PRESENT
*/
"E: Not using a named curve\n", /* ERR_NOT_NAMED_CURVE */
"E: Key usage with unknown bit\n", /* ERR_KEY_USAGE_UNKNOWN_BIT */
"E: Basic Constraints with pathlen but key usage without cert sign\n", /* ERR_BASIC_CONSTRAINTS_NO_CERT_SIGN_PATHLEN
*/
"E: AKID without a key identifier\n", /* ERR_AKID_WITHOUT_KEY_ID */
"E: Invalid general name type\n", /* ERR_INVALID_GENERAL_NAME_TYPE */
"E: EC key without parameters\n", /* ERR_EC_NO_PARAMETER */
};
static const char* warning_strings[] = {
"W: The name entry contains something that is not a PrintableString or "
"UTF8String\n", /* WARN_NON_PRINTABLE_STRING */
"W: The certificate is valid for longer than 39 months\n", /* WARN_LONGER_39_MONTHS
*/
"W: Called with wrong certificate type\n", /* WARN_CALLED_WITH_WRONG_TYPE */
"W: CRL distribution point uses relative name\n", /* WARN_CRL_RELATIVE */
"W: No HTTP URL for issuing certificate\n", /* WARN_NO_ISSUING_CERT_HTTP */
"W: Duplicate SAN entry\n", /* WARN_DUPLICATE_SAN */
"W: EV certificate valid longer than 12 months\n", /* WARN_EV_LONGER_12_MONTHS
*/
"W: Unknown extended key usage\n", /* WARN_UNKNOWN_EKU */
"W: RSA public exponent not in range of 2^16+1 to 2^256-1\n", /* WARN_RSA_EXP_RANGE
*/
"W: Policy information has qualifier other than CPS URI\n", /* WARN_POLICY_QUALIFIER_NOT_CPS
*/
"W: explicitText is not using a UTF8String\n", /* WARN_EXPLICIT_TEXT_ENCODING
*/
"W: Subscriber certificate without Extended Key Usage\n", /* WARN_NO_EKU */
"W: No commonName\n", /* WARN_NO_CN */
"W: TLS client with DNS or IP address\n", /* WARN_TLS_CLIENT_DNS */
"W: Key usage not critical\n", /* WARN_KEY_USAGE_NOT_CRITICAL */
"W: Key usage doesn't have keyCertSign or cRLSign\n", /* WARN_KEY_USAGE_NO_CERT_OR_CRL_SIGN
*/
};
static const char* info_strings[] = {
"I: Subject has a deprecated CommonName\n", /* INF_SUBJECT_CN */
"I: String not checked\n", /* INF_STRING_NOT_CHECKED */
"I: CRL is not a URL\n", /* INF_CRL_NOT_URL */
"I: Unknown validation policy\n", /* INF_UNKNOWN_VALIDATION */
"I: Name entry length not checked\n", /* INF_NAME_ENTRY_LENGTH_NOT_CHECKED
*/
"I: Checking as leaf certificate\n", /* #define INF_CHECKING_LEAF */
"I: Checking as intermediate CA certificate\n", /* #define
INF_CHECKING_INTERMEDIATE_CA
*/
"I: Checking as root CA certificate\n", /* #define INF_CHECKING_ROOT_CA */
};
/*
* Turn the error information into strings.
* Returns a buffer that should be free()d
*/
char* get_messages() {
char* buffer;
/* Should be large enough for all strings. */
buffer = malloc(16384);
buffer[0] = '\0';
for (int i = 0; i <= MAX_ERR; i++) {
if (GetBit(errors, i)) {
strcat(buffer, error_strings[i]);
}
}
for (int i = 0; i <= MAX_WARN; i++) {
if (GetBit(warnings, i)) {
strcat(buffer, warning_strings[i]);
}
}
for (int i = 0; i <= MAX_INF; i++) {
if (GetBit(info, i)) {
strcat(buffer, info_strings[i]);
}
}
return buffer;
}