A local copy of OpenSSL from GitHub
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/*
* Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Nokia 2007-2019
* Copyright Siemens AG 2015-2019
*
* 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
*/
/* CMP functions for PKIStatusInfo handling and PKIMessage decomposition */
#include <string.h>
#include "cmp_local.h"
/* explicit #includes not strictly needed since implied by the above: */
#include <time.h>
#include <openssl/cmp.h>
#include <openssl/crmf.h>
#include <openssl/err.h> /* needed in case config no-deprecated */
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/asn1err.h> /* for ASN1_R_TOO_SMALL and ASN1_R_TOO_LARGE */
/* CMP functions related to PKIStatus */
int ossl_cmp_pkisi_get_status(const OSSL_CMP_PKISI *si)
{
if (!ossl_assert(si != NULL && si->status != NULL))
return -1;
return ossl_cmp_asn1_get_int(si->status);
}
const char *ossl_cmp_PKIStatus_to_string(int status)
{
switch (status) {
case OSSL_CMP_PKISTATUS_accepted:
return "PKIStatus: accepted";
case OSSL_CMP_PKISTATUS_grantedWithMods:
return "PKIStatus: granted with modifications";
case OSSL_CMP_PKISTATUS_rejection:
return "PKIStatus: rejection";
case OSSL_CMP_PKISTATUS_waiting:
return "PKIStatus: waiting";
case OSSL_CMP_PKISTATUS_revocationWarning:
return "PKIStatus: revocation warning - a revocation of the cert is imminent";
case OSSL_CMP_PKISTATUS_revocationNotification:
return "PKIStatus: revocation notification - a revocation of the cert has occurred";
case OSSL_CMP_PKISTATUS_keyUpdateWarning:
return "PKIStatus: key update warning - update already done for the cert";
default:
ERR_raise_data(ERR_LIB_CMP, CMP_R_ERROR_PARSING_PKISTATUS,
"PKIStatus: invalid=%d", status);
return NULL;
}
}
OSSL_CMP_PKIFREETEXT *ossl_cmp_pkisi_get0_statusString(const OSSL_CMP_PKISI *si)
{
if (!ossl_assert(si != NULL))
return NULL;
return si->statusString;
}
int ossl_cmp_pkisi_get_pkifailureinfo(const OSSL_CMP_PKISI *si)
{
int i;
int res = 0;
if (!ossl_assert(si != NULL))
return -1;
for (i = 0; i <= OSSL_CMP_PKIFAILUREINFO_MAX; i++)
if (ASN1_BIT_STRING_get_bit(si->failInfo, i))
res |= 1 << i;
return res;
}
/*-
* convert PKIFailureInfo number to human-readable string
* returns pointer to static string, or NULL on error
*/
static const char *CMP_PKIFAILUREINFO_to_string(int number)
{
switch (number) {
case OSSL_CMP_PKIFAILUREINFO_badAlg:
return "badAlg";
case OSSL_CMP_PKIFAILUREINFO_badMessageCheck:
return "badMessageCheck";
case OSSL_CMP_PKIFAILUREINFO_badRequest:
return "badRequest";
case OSSL_CMP_PKIFAILUREINFO_badTime:
return "badTime";
case OSSL_CMP_PKIFAILUREINFO_badCertId:
return "badCertId";
case OSSL_CMP_PKIFAILUREINFO_badDataFormat:
return "badDataFormat";
case OSSL_CMP_PKIFAILUREINFO_wrongAuthority:
return "wrongAuthority";
case OSSL_CMP_PKIFAILUREINFO_incorrectData:
return "incorrectData";
case OSSL_CMP_PKIFAILUREINFO_missingTimeStamp:
return "missingTimeStamp";
case OSSL_CMP_PKIFAILUREINFO_badPOP:
return "badPOP";
case OSSL_CMP_PKIFAILUREINFO_certRevoked:
return "certRevoked";
case OSSL_CMP_PKIFAILUREINFO_certConfirmed:
return "certConfirmed";
case OSSL_CMP_PKIFAILUREINFO_wrongIntegrity:
return "wrongIntegrity";
case OSSL_CMP_PKIFAILUREINFO_badRecipientNonce:
return "badRecipientNonce";
case OSSL_CMP_PKIFAILUREINFO_timeNotAvailable:
return "timeNotAvailable";
case OSSL_CMP_PKIFAILUREINFO_unacceptedPolicy:
return "unacceptedPolicy";
case OSSL_CMP_PKIFAILUREINFO_unacceptedExtension:
return "unacceptedExtension";
case OSSL_CMP_PKIFAILUREINFO_addInfoNotAvailable:
return "addInfoNotAvailable";
case OSSL_CMP_PKIFAILUREINFO_badSenderNonce:
return "badSenderNonce";
case OSSL_CMP_PKIFAILUREINFO_badCertTemplate:
return "badCertTemplate";
case OSSL_CMP_PKIFAILUREINFO_signerNotTrusted:
return "signerNotTrusted";
case OSSL_CMP_PKIFAILUREINFO_transactionIdInUse:
return "transactionIdInUse";
case OSSL_CMP_PKIFAILUREINFO_unsupportedVersion:
return "unsupportedVersion";
case OSSL_CMP_PKIFAILUREINFO_notAuthorized:
return "notAuthorized";
case OSSL_CMP_PKIFAILUREINFO_systemUnavail:
return "systemUnavail";
case OSSL_CMP_PKIFAILUREINFO_systemFailure:
return "systemFailure";
case OSSL_CMP_PKIFAILUREINFO_duplicateCertReq:
return "duplicateCertReq";
default:
return NULL; /* illegal failure number */
}
}
int ossl_cmp_pkisi_check_pkifailureinfo(const OSSL_CMP_PKISI *si, int bit_index)
{
if (!ossl_assert(si != NULL && si->failInfo != NULL))
return -1;
if (bit_index < 0 || bit_index > OSSL_CMP_PKIFAILUREINFO_MAX) {
ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
return -1;
}
return ASN1_BIT_STRING_get_bit(si->failInfo, bit_index);
}
/*-
* place human-readable error string created from PKIStatusInfo in given buffer
* returns pointer to the same buffer containing the string, or NULL on error
*/
static
char *snprint_PKIStatusInfo_parts(int status, int fail_info,
const OSSL_CMP_PKIFREETEXT *status_strings,
char *buf, size_t bufsize)
{
int failure;
const char *status_string, *failure_string;
ASN1_UTF8STRING *text;
int i;
int printed_chars;
int failinfo_found = 0;
int n_status_strings;
char *write_ptr = buf;
if (buf == NULL
|| status < 0
|| (status_string = ossl_cmp_PKIStatus_to_string(status)) == NULL)
return NULL;
#define ADVANCE_BUFFER \
if (printed_chars < 0 || (size_t)printed_chars >= bufsize) \
return NULL; \
write_ptr += printed_chars; \
bufsize -= printed_chars;
printed_chars = BIO_snprintf(write_ptr, bufsize, "%s", status_string);
ADVANCE_BUFFER;
/* failInfo is optional and may be empty */
if (fail_info != 0) {
printed_chars = BIO_snprintf(write_ptr, bufsize, "; PKIFailureInfo: ");
ADVANCE_BUFFER;
for (failure = 0; failure <= OSSL_CMP_PKIFAILUREINFO_MAX; failure++) {
if ((fail_info & (1 << failure)) != 0) {
failure_string = CMP_PKIFAILUREINFO_to_string(failure);
if (failure_string != NULL) {
printed_chars = BIO_snprintf(write_ptr, bufsize, "%s%s",
failinfo_found ? ", " : "",
failure_string);
ADVANCE_BUFFER;
failinfo_found = 1;
}
}
}
}
if (!failinfo_found && status != OSSL_CMP_PKISTATUS_accepted
&& status != OSSL_CMP_PKISTATUS_grantedWithMods) {
printed_chars = BIO_snprintf(write_ptr, bufsize, "; <no failure info>");
ADVANCE_BUFFER;
}
/* statusString sequence is optional and may be empty */
n_status_strings = sk_ASN1_UTF8STRING_num(status_strings);
if (n_status_strings > 0) {
printed_chars = BIO_snprintf(write_ptr, bufsize, "; StatusString%s: ",
n_status_strings > 1 ? "s" : "");
ADVANCE_BUFFER;
for (i = 0; i < n_status_strings; i++) {
text = sk_ASN1_UTF8STRING_value(status_strings, i);
printed_chars = BIO_snprintf(write_ptr, bufsize, "\"%s\"%s",
ASN1_STRING_get0_data(text),
i < n_status_strings - 1 ? ", " : "");
ADVANCE_BUFFER;
}
}
#undef ADVANCE_BUFFER
return buf;
}
char *OSSL_CMP_snprint_PKIStatusInfo(const OSSL_CMP_PKISI *statusInfo,
char *buf, size_t bufsize)
{
int failure_info;
if (statusInfo == NULL) {
ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
return NULL;
}
failure_info = ossl_cmp_pkisi_get_pkifailureinfo(statusInfo);
return snprint_PKIStatusInfo_parts(ASN1_INTEGER_get(statusInfo->status),
failure_info,
statusInfo->statusString, buf, bufsize);
}
char *OSSL_CMP_CTX_snprint_PKIStatus(const OSSL_CMP_CTX *ctx, char *buf,
size_t bufsize)
{
if (ctx == NULL) {
ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
return NULL;
}
return snprint_PKIStatusInfo_parts(OSSL_CMP_CTX_get_status(ctx),
OSSL_CMP_CTX_get_failInfoCode(ctx),
OSSL_CMP_CTX_get0_statusString(ctx),
buf, bufsize);
}
/*-
* Creates a new PKIStatusInfo structure and fills it in
* returns a pointer to the structure on success, NULL on error
* note: strongly overlaps with TS_RESP_CTX_set_status_info()
* and TS_RESP_CTX_add_failure_info() in ../ts/ts_rsp_sign.c
*/
OSSL_CMP_PKISI *OSSL_CMP_STATUSINFO_new(int status, int fail_info,
const char *text)
{
OSSL_CMP_PKISI *si = OSSL_CMP_PKISI_new();
ASN1_UTF8STRING *utf8_text = NULL;
int failure;
if (si == NULL)
goto err;
if (!ASN1_INTEGER_set(si->status, status))
goto err;
if (text != NULL) {
if ((utf8_text = ASN1_UTF8STRING_new()) == NULL
|| !ASN1_STRING_set(utf8_text, text, -1))
goto err;
if ((si->statusString = sk_ASN1_UTF8STRING_new_null()) == NULL)
goto err;
if (!sk_ASN1_UTF8STRING_push(si->statusString, utf8_text))
goto err;
/* Ownership is lost. */
utf8_text = NULL;
}
for (failure = 0; failure <= OSSL_CMP_PKIFAILUREINFO_MAX; failure++) {
if ((fail_info & (1 << failure)) != 0) {
if (si->failInfo == NULL
&& (si->failInfo = ASN1_BIT_STRING_new()) == NULL)
goto err;
if (!ASN1_BIT_STRING_set_bit(si->failInfo, failure, 1))
goto err;
}
}
return si;
err:
OSSL_CMP_PKISI_free(si);
ASN1_UTF8STRING_free(utf8_text);
return NULL;
}