[thirdparty/openssl.git] / crypto / x509 / x509_txt.c

/*
 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include <time.h>
#include <errno.h>

#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/objects.h>

const char *X509_verify_cert_error_string(long n)
{
    switch ((int)n) {
    case X509_V_OK:
        return "ok";
    case X509_V_ERR_UNSPECIFIED:
        return "unspecified certificate verification error";
    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_CERT_HAS_EXPIRED:
        return "certificate has expired";
    case X509_V_ERR_CRL_NOT_YET_VALID:
        return "CRL is not yet valid";
    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_PATH_LENGTH_EXCEEDED:
        return "path length constraint exceeded";
    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_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_UNHANDLED_CRITICAL_CRL_EXTENSION:
        return "unhandled critical CRL extension";
    case X509_V_ERR_INVALID_NON_CA:
        return "invalid non-CA certificate (has CA markings)";
    case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
        return "proxy path length constraint exceeded";
    case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
        return "key usage does not include digital signature";
    case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
        return
            "proxy certificates not allowed, please set the appropriate flag";
    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_APPLICATION_VERIFICATION:
        return "application verification failure";
    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_PATH_LOOP:
        return "Path Loop";
    case X509_V_ERR_SUITE_B_INVALID_VERSION:
        return "Suite B: certificate version invalid";
    case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
        return "Suite B: invalid public key algorithm";
    case X509_V_ERR_SUITE_B_INVALID_CURVE:
        return "Suite B: invalid ECC curve";
    case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
        return "Suite B: invalid signature algorithm";
    case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
        return "Suite B: curve not allowed for this LOS";
    case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
        return "Suite B: cannot sign P-384 with P-256";
    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_DANE_NO_MATCH:
        return "No matching DANE TLSA records";
    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";
    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_NO_VALID_SCTS:
        return "Certificate Transparency required, but no valid SCTs found";
    case X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION:
        return "proxy subject name violation";
    case X509_V_ERR_OCSP_VERIFY_NEEDED:
        return "OCSP verification needed";
    case X509_V_ERR_OCSP_VERIFY_FAILED:
        return "OCSP verification failed";
    case X509_V_ERR_OCSP_CERT_UNKNOWN:
        return "OCSP unknown cert";

    default:
        /* Printing an error number into a static buffer is not thread-safe */
        return "unknown certificate verification error";
    }
}
Commit	Line	Data
b1322259	1	/*
f32b0abe	2	* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
3e4b43b9	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
b1322259 RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
	9
	10	#include <stdio.h>
	11	#include <time.h>
	12	#include <errno.h>
d02b48c6	13
b39fc560	14	#include "internal/cryptlib.h"
ec577822 BM	15	#include <openssl/buffer.h>
	16	#include <openssl/evp.h>
	17	#include <openssl/asn1.h>
	18	#include <openssl/x509.h>
	19	#include <openssl/objects.h>
d02b48c6	20
6b691a5c	21	const char *X509_verify_cert_error_string(long n)
0f113f3e	22	{
0f113f3e MC	23	switch ((int)n) {
0f113f3e MC	24	case X509_V_OK:
26a7d938	25	return "ok";
c0a445a9	26	case X509_V_ERR_UNSPECIFIED:
26a7d938	27	return "unspecified certificate verification error";
0f113f3e	28	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
26a7d938	29	return "unable to get issuer certificate";
0f113f3e	30	case X509_V_ERR_UNABLE_TO_GET_CRL:
26a7d938	31	return "unable to get certificate CRL";
0f113f3e	32	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
26a7d938	33	return "unable to decrypt certificate's signature";
0f113f3e	34	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
26a7d938	35	return "unable to decrypt CRL's signature";
0f113f3e	36	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
26a7d938	37	return "unable to decode issuer public key";
0f113f3e	38	case X509_V_ERR_CERT_SIGNATURE_FAILURE:
26a7d938	39	return "certificate signature failure";
0f113f3e	40	case X509_V_ERR_CRL_SIGNATURE_FAILURE:
26a7d938	41	return "CRL signature failure";
0f113f3e	42	case X509_V_ERR_CERT_NOT_YET_VALID:
26a7d938	43	return "certificate is not yet valid";
0f113f3e	44	case X509_V_ERR_CERT_HAS_EXPIRED:
26a7d938	45	return "certificate has expired";
d33def66	46	case X509_V_ERR_CRL_NOT_YET_VALID:
26a7d938	47	return "CRL is not yet valid";
0f113f3e	48	case X509_V_ERR_CRL_HAS_EXPIRED:
26a7d938	49	return "CRL has expired";
0f113f3e	50	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
26a7d938	51	return "format error in certificate's notBefore field";
0f113f3e	52	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
26a7d938	53	return "format error in certificate's notAfter field";
0f113f3e	54	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
26a7d938	55	return "format error in CRL's lastUpdate field";
0f113f3e	56	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
26a7d938	57	return "format error in CRL's nextUpdate field";
0f113f3e	58	case X509_V_ERR_OUT_OF_MEM:
26a7d938	59	return "out of memory";
0f113f3e	60	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
26a7d938	61	return "self signed certificate";
0f113f3e	62	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
26a7d938	63	return "self signed certificate in certificate chain";
0f113f3e	64	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
26a7d938	65	return "unable to get local issuer certificate";
0f113f3e	66	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
26a7d938	67	return "unable to verify the first certificate";
0f113f3e	68	case X509_V_ERR_CERT_CHAIN_TOO_LONG:
26a7d938	69	return "certificate chain too long";
0f113f3e	70	case X509_V_ERR_CERT_REVOKED:
26a7d938	71	return "certificate revoked";
0f113f3e	72	case X509_V_ERR_INVALID_CA:
26a7d938	73	return "invalid CA certificate";
0f113f3e	74	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
26a7d938	75	return "path length constraint exceeded";
0f113f3e	76	case X509_V_ERR_INVALID_PURPOSE:
26a7d938	77	return "unsupported certificate purpose";
0f113f3e	78	case X509_V_ERR_CERT_UNTRUSTED:
26a7d938	79	return "certificate not trusted";
0f113f3e	80	case X509_V_ERR_CERT_REJECTED:
26a7d938	81	return "certificate rejected";
0f113f3e	82	case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
26a7d938	83	return "subject issuer mismatch";
0f113f3e	84	case X509_V_ERR_AKID_SKID_MISMATCH:
26a7d938	85	return "authority and subject key identifier mismatch";
0f113f3e	86	case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
26a7d938	87	return "authority and issuer serial number mismatch";
0f113f3e	88	case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
26a7d938	89	return "key usage does not include certificate signing";
0f113f3e	90	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
26a7d938	91	return "unable to get CRL issuer certificate";
0f113f3e	92	case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
26a7d938	93	return "unhandled critical extension";
0f113f3e	94	case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
26a7d938	95	return "key usage does not include CRL signing";
0f113f3e	96	case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
26a7d938	97	return "unhandled critical CRL extension";
d33def66	98	case X509_V_ERR_INVALID_NON_CA:
26a7d938	99	return "invalid non-CA certificate (has CA markings)";
d33def66	100	case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
26a7d938	101	return "proxy path length constraint exceeded";
d33def66	102	case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
26a7d938	103	return "key usage does not include digital signature";
d33def66 VD	104	case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
d33def66 VD	105	return
26a7d938	106	"proxy certificates not allowed, please set the appropriate flag";
0f113f3e	107	case X509_V_ERR_INVALID_EXTENSION:
26a7d938	108	return "invalid or inconsistent certificate extension";
0f113f3e	109	case X509_V_ERR_INVALID_POLICY_EXTENSION:
26a7d938	110	return "invalid or inconsistent certificate policy extension";
0f113f3e	111	case X509_V_ERR_NO_EXPLICIT_POLICY:
26a7d938	112	return "no explicit policy";
0f113f3e	113	case X509_V_ERR_DIFFERENT_CRL_SCOPE:
26a7d938	114	return "Different CRL scope";
0f113f3e	115	case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
26a7d938	116	return "Unsupported extension feature";
0f113f3e	117	case X509_V_ERR_UNNESTED_RESOURCE:
26a7d938	118	return "RFC 3779 resource not subset of parent's resources";
0f113f3e	119	case X509_V_ERR_PERMITTED_VIOLATION:
26a7d938	120	return "permitted subtree violation";
0f113f3e	121	case X509_V_ERR_EXCLUDED_VIOLATION:
26a7d938	122	return "excluded subtree violation";
0f113f3e	123	case X509_V_ERR_SUBTREE_MINMAX:
26a7d938	124	return "name constraints minimum and maximum not supported";
d33def66	125	case X509_V_ERR_APPLICATION_VERIFICATION:
26a7d938	126	return "application verification failure";
0f113f3e	127	case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
26a7d938	128	return "unsupported name constraint type";
0f113f3e	129	case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
26a7d938	130	return "unsupported or invalid name constraint syntax";
0f113f3e	131	case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
26a7d938	132	return "unsupported or invalid name syntax";
0f113f3e	133	case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
26a7d938	134	return "CRL path validation error";
0f113f3e	135	case X509_V_ERR_PATH_LOOP:
26a7d938	136	return "Path Loop";
0f113f3e	137	case X509_V_ERR_SUITE_B_INVALID_VERSION:
26a7d938	138	return "Suite B: certificate version invalid";
0f113f3e	139	case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
26a7d938	140	return "Suite B: invalid public key algorithm";
0f113f3e	141	case X509_V_ERR_SUITE_B_INVALID_CURVE:
26a7d938	142	return "Suite B: invalid ECC curve";
0f113f3e	143	case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
26a7d938	144	return "Suite B: invalid signature algorithm";
0f113f3e	145	case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
26a7d938	146	return "Suite B: curve not allowed for this LOS";
0f113f3e	147	case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
26a7d938	148	return "Suite B: cannot sign P-384 with P-256";
0f113f3e	149	case X509_V_ERR_HOSTNAME_MISMATCH:
26a7d938	150	return "Hostname mismatch";
0f113f3e	151	case X509_V_ERR_EMAIL_MISMATCH:
26a7d938	152	return "Email address mismatch";
0f113f3e	153	case X509_V_ERR_IP_ADDRESS_MISMATCH:
26a7d938	154	return "IP address mismatch";
c0a445a9	155	case X509_V_ERR_DANE_NO_MATCH:
26a7d938	156	return "No matching DANE TLSA records";
fbb82a60	157	case X509_V_ERR_EE_KEY_TOO_SMALL:
26a7d938	158	return "EE certificate key too weak";
fbb82a60	159	case X509_V_ERR_CA_KEY_TOO_SMALL:
26a7d938	160	return "CA certificate key too weak";
fbb82a60	161	case X509_V_ERR_CA_MD_TOO_WEAK:
26a7d938	162	return "CA signature digest algorithm too weak";
f3e235ed	163	case X509_V_ERR_INVALID_CALL:
26a7d938	164	return "Invalid certificate verification context";
f3e235ed	165	case X509_V_ERR_STORE_LOOKUP:
26a7d938	166	return "Issuer certificate lookup error";
f75b34c8	167	case X509_V_ERR_NO_VALID_SCTS:
26a7d938	168	return "Certificate Transparency required, but no valid SCTs found";
c8223538	169	case X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION:
26a7d938	170	return "proxy subject name violation";
3bb0f989	171	case X509_V_ERR_OCSP_VERIFY_NEEDED:
26a7d938	172	return "OCSP verification needed";
3bb0f989	173	case X509_V_ERR_OCSP_VERIFY_FAILED:
26a7d938	174	return "OCSP verification failed";
3bb0f989	175	case X509_V_ERR_OCSP_CERT_UNKNOWN:
26a7d938	176	return "OCSP unknown cert";
d02b48c6	177
0f113f3e	178	default:
c0a445a9	179	/* Printing an error number into a static buffer is not thread-safe */
26a7d938	180	return "unknown certificate verification error";
0f113f3e MC	181	}
0f113f3e MC	182	}