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if (crl->idp_flags & (IDP_INDIRECT | IDP_REASONS))
return 0;
}
else if (crl->idp_flags & IDP_REASONS)
{
/* If no new reasons reject */
if (!(crl->idp_reasons & ~tmp_reasons))
return 0;
}
/* Don't process deltas at this stage */
else if (crl->base_crl_number)
return 0;
/* If issuer name doesn't match certificate need indirect CRL */
if (X509_NAME_cmp(X509_get_issuer_name(x), X509_CRL_get_issuer(crl)))
{
if (!(crl->idp_flags & IDP_INDIRECT))
return 0;
}
else
crl_score |= CRL_SCORE_ISSUER_NAME;
if (!(crl->flags & EXFLAG_CRITICAL))
crl_score |= CRL_SCORE_NOCRITICAL;
/* Check expiry */
if (check_crl_time(ctx, crl, 0))
crl_score |= CRL_SCORE_TIME;
/* Check authority key ID and locate certificate issuer */
crl_akid_check(ctx, crl, pissuer, &crl_score);
/* If we can't locate certificate issuer at this point forget it */
if (!(crl_score & CRL_SCORE_AKID))
return 0;
/* Check cert for matching CRL distribution points */
if (crl_crldp_check(x, crl, crl_score, &crl_reasons))
{
/* If no new reasons reject */
if (!(crl_reasons & ~tmp_reasons))
return 0;
tmp_reasons |= crl_reasons;
crl_score |= CRL_SCORE_SCOPE;
}
*preasons = tmp_reasons;
return crl_score;
}
static void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl,
X509 **pissuer, int *pcrl_score)
{
X509 *crl_issuer = NULL;
X509_NAME *cnm = X509_CRL_get_issuer(crl);
int cidx = ctx->error_depth;
int i;
if (cidx != sk_X509_num(ctx->chain) - 1)
cidx++;
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
if (*pcrl_score & CRL_SCORE_ISSUER_NAME)
{
*pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_ISSUER_CERT;
*pissuer = crl_issuer;
return;
}
}
for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++)
{
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
*pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_SAME_PATH;
*pissuer = crl_issuer;
return;
}
}
/* Anything else needs extended CRL support */
if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT))
return;
/* Otherwise the CRL issuer is not on the path. Look for it in the
* set of untrusted certificates.
*/
for (i = 0; i < sk_X509_num(ctx->untrusted); i++)
{
crl_issuer = sk_X509_value(ctx->untrusted, i);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
*pissuer = crl_issuer;
*pcrl_score |= CRL_SCORE_AKID;
return;
}
}
}
/* Check the path of a CRL issuer certificate. This creates a new
* X509_STORE_CTX and populates it with most of the parameters from the
* parent. This could be optimised somewhat since a lot of path checking
* will be duplicated by the parent, but this will rarely be used in
* practice.
*/
static int check_crl_path(X509_STORE_CTX *ctx, X509 *x)
{
X509_STORE_CTX crl_ctx;
int ret;
/* Don't allow recursive CRL path validation */
if (ctx->parent)
return 0;
if (!X509_STORE_CTX_init(&crl_ctx, ctx->ctx, x, ctx->untrusted))
return -1;
crl_ctx.crls = ctx->crls;
/* Copy verify params across */
X509_STORE_CTX_set0_param(&crl_ctx, ctx->param);
crl_ctx.parent = ctx;
crl_ctx.verify_cb = ctx->verify_cb;
/* Verify CRL issuer */
ret = X509_verify_cert(&crl_ctx);
if (ret <= 0)
goto err;
/* Check chain is acceptable */
ret = check_crl_chain(ctx, ctx->chain, crl_ctx.chain);
err:
X509_STORE_CTX_cleanup(&crl_ctx);
return ret;
}
/* RFC3280 says nothing about the relationship between CRL path
* and certificate path, which could lead to situations where a
* certificate could be revoked or validated by a CA not authorised
* to do so. RFC5280 is more strict and states that the two paths must
* end in the same trust anchor, though some discussions remain...
* until this is resolved we use the RFC5280 version
*/
static int check_crl_chain(X509_STORE_CTX *ctx,
STACK_OF(X509) *cert_path,
STACK_OF(X509) *crl_path)
{
X509 *cert_ta, *crl_ta;
cert_ta = sk_X509_value(cert_path, sk_X509_num(cert_path) - 1);
crl_ta = sk_X509_value(crl_path, sk_X509_num(crl_path) - 1);
if (!X509_cmp(cert_ta, crl_ta))
return 1;
return 0;
}
/* Check for match between two dist point names: three separate cases.
* 1. Both are relative names and compare X509_NAME types.
* 2. One full, one relative. Compare X509_NAME to GENERAL_NAMES.
* 3. Both are full names and compare two GENERAL_NAMES.
* 4. One is NULL: automatic match.
*/
static int idp_check_dp(DIST_POINT_NAME *a, DIST_POINT_NAME *b)
{
X509_NAME *nm = NULL;
GENERAL_NAMES *gens = NULL;
GENERAL_NAME *gena, *genb;
int i, j;
if (!a || !b)
return 1;
if (a->type == 1)
{
if (!a->dpname)
return 0;
/* Case 1: two X509_NAME */
if (b->type == 1)
{
if (!b->dpname)
return 0;
if (!X509_NAME_cmp(a->dpname, b->dpname))
return 1;
else
return 0;
}
/* Case 2: set name and GENERAL_NAMES appropriately */
nm = a->dpname;
gens = b->name.fullname;
}
else if (b->type == 1)
{
if (!b->dpname)
return 0;
/* Case 2: set name and GENERAL_NAMES appropriately */
gens = a->name.fullname;
nm = b->dpname;
}
/* Handle case 2 with one GENERAL_NAMES and one X509_NAME */
if (nm)
{
for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
{
gena = sk_GENERAL_NAME_value(gens, i);
if (gena->type != GEN_DIRNAME)
continue;
if (!X509_NAME_cmp(nm, gena->d.directoryName))
return 1;
}
return 0;
}
/* Else case 3: two GENERAL_NAMES */
for (i = 0; i < sk_GENERAL_NAME_num(a->name.fullname); i++)
{
gena = sk_GENERAL_NAME_value(a->name.fullname, i);
for (j = 0; j < sk_GENERAL_NAME_num(b->name.fullname); j++)
{
genb = sk_GENERAL_NAME_value(b->name.fullname, j);
if (!GENERAL_NAME_cmp(gena, genb))
return 1;
}
}
return 0;
}
static int crldp_check_crlissuer(DIST_POINT *dp, X509_CRL *crl, int crl_score)
{
int i;
X509_NAME *nm = X509_CRL_get_issuer(crl);
/* If no CRLissuer return is successful iff don't need a match */
if (!dp->CRLissuer)
return !!(crl_score & CRL_SCORE_ISSUER_NAME);
for (i = 0; i < sk_GENERAL_NAME_num(dp->CRLissuer); i++)
{
GENERAL_NAME *gen = sk_GENERAL_NAME_value(dp->CRLissuer, i);
if (gen->type != GEN_DIRNAME)
continue;
if (!X509_NAME_cmp(gen->d.directoryName, nm))
return 1;
}
return 0;
}
/* Check CRLDP and IDP */
static int crl_crldp_check(X509 *x, X509_CRL *crl, int crl_score,
unsigned int *preasons)
{
int i;
if (crl->idp_flags & IDP_ONLYATTR)
return 0;
if (x->ex_flags & EXFLAG_CA)
{
if (crl->idp_flags & IDP_ONLYUSER)
return 0;
}
else
{
if (crl->idp_flags & IDP_ONLYCA)
return 0;
}
*preasons = crl->idp_reasons;
for (i = 0; i < sk_DIST_POINT_num(x->crldp); i++)
{
DIST_POINT *dp = sk_DIST_POINT_value(x->crldp, i);
if (crldp_check_crlissuer(dp, crl, crl_score))
{
if (!crl->idp ||
idp_check_dp(dp->distpoint, crl->idp->distpoint))
{
*preasons &= dp->dp_reasons;
return 1;
}
}
}
if ((!crl->idp || !crl->idp->distpoint) && (crl_score & CRL_SCORE_ISSUER_NAME))
return 1;
return 0;
}
/* Retrieve CRL corresponding to current certificate.
* If deltas enabled try to find a delta CRL too
*/
static int get_crl_delta(X509_STORE_CTX *ctx,
X509_CRL **pcrl, X509_CRL **pdcrl, X509 *x)
{
int ok;
X509 *issuer = NULL;
int crl_score = 0;
unsigned int reasons;
X509_CRL *crl = NULL, *dcrl = NULL;
STACK_OF(X509_CRL) *skcrl;
X509_NAME *nm = X509_get_issuer_name(x);
reasons = ctx->current_reasons;
ok = get_crl_sk(ctx, &crl, &dcrl,
&issuer, &crl_score, &reasons, ctx->crls);
if (ok)
goto done;
/* Lookup CRLs from store */
skcrl = ctx->lookup_crls(ctx, nm);
/* If no CRLs found and a near match from get_crl_sk use that */
if (!skcrl && crl)
goto done;
get_crl_sk(ctx, &crl, &dcrl, &issuer, &crl_score, &reasons, skcrl);
sk_X509_CRL_pop_free(skcrl, X509_CRL_free);
done:
/* If we got any kind of CRL use it and return success */
if (crl)
{
ctx->current_issuer = issuer;
ctx->current_crl_score = crl_score;
ctx->current_reasons = reasons;
*pcrl = crl;
*pdcrl = dcrl;
return 1;
}
return 0;
}
/* Check CRL validity */
static int check_crl(X509_STORE_CTX *ctx, X509_CRL *crl)
{
X509 *issuer = NULL;
EVP_PKEY *ikey = NULL;
int ok = 0, chnum, cnum;
cnum = ctx->error_depth;
chnum = sk_X509_num(ctx->chain) - 1;
/* if we have an alternative CRL issuer cert use that */
if (ctx->current_issuer)
issuer = ctx->current_issuer;
/* Else find CRL issuer: if not last certificate then issuer
* is next certificate in chain.
*/
else if (cnum < chnum)
issuer = sk_X509_value(ctx->chain, cnum + 1);
else
{
issuer = sk_X509_value(ctx->chain, chnum);
/* If not self signed, can't check signature */
if(!ctx->check_issued(ctx, issuer, issuer))
{
ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER;
ok = ctx->verify_cb(0, ctx);
if(!ok) goto err;
}
}
if(issuer)
{
/* Skip most tests for deltas because they have already
* been done
*/
if (!crl->base_crl_number)
{
/* Check for cRLSign bit if keyUsage present */
if ((issuer->ex_flags & EXFLAG_KUSAGE) &&
!(issuer->ex_kusage & KU_CRL_SIGN))
{
ctx->error = X509_V_ERR_KEYUSAGE_NO_CRL_SIGN;
ok = ctx->verify_cb(0, ctx);
if(!ok) goto err;
}
if (!(ctx->current_crl_score & CRL_SCORE_SCOPE))
{
ctx->error = X509_V_ERR_DIFFERENT_CRL_SCOPE;
ok = ctx->verify_cb(0, ctx);
if(!ok) goto err;
}
if (!(ctx->current_crl_score & CRL_SCORE_SAME_PATH))
{
if (check_crl_path(ctx, ctx->current_issuer) <= 0)
{
ctx->error = X509_V_ERR_CRL_PATH_VALIDATION_ERROR;
ok = ctx->verify_cb(0, ctx);
if(!ok) goto err;
}
}
if (crl->idp_flags & IDP_INVALID)
{
ctx->error = X509_V_ERR_INVALID_EXTENSION;
ok = ctx->verify_cb(0, ctx);
if(!ok) goto err;
}
}
if (!(ctx->current_crl_score & CRL_SCORE_TIME))
{
ok = check_crl_time(ctx, crl, 1);
if (!ok)
goto err;
}
/* Attempt to get issuer certificate public key */
ikey = X509_get_pubkey(issuer);
if(!ikey)
{
ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;
ok = ctx->verify_cb(0, ctx);
if (!ok) goto err;
}
else
{
/* Verify CRL signature */
if(X509_CRL_verify(crl, ikey) <= 0)
{
ctx->error=X509_V_ERR_CRL_SIGNATURE_FAILURE;
ok = ctx->verify_cb(0, ctx);
if (!ok) goto err;
}
}
}
ok = 1;
err:
EVP_PKEY_free(ikey);
return ok;
}
/* Check certificate against CRL */
static int cert_crl(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x)
{
int ok;
X509_REVOKED *rev;
/* The rules changed for this... previously if a CRL contained
* unhandled critical extensions it could still be used to indicate
* a certificate was revoked. This has since been changed since
* critical extension can change the meaning of CRL entries.
*/
if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
&& (crl->flags & EXFLAG_CRITICAL))
{
ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION;
ok = ctx->verify_cb(0, ctx);
if(!ok)
return 0;
}
/* Look for serial number of certificate in CRL
* If found make sure reason is not removeFromCRL.
*/
if (X509_CRL_get0_by_cert(crl, &rev, x))
{
if (rev->reason == CRL_REASON_REMOVE_FROM_CRL)
return 2;
ctx->error = X509_V_ERR_CERT_REVOKED;
ok = ctx->verify_cb(0, ctx);
if (!ok)
return 0;
}
return 1;
}
static int check_policy(X509_STORE_CTX *ctx)
{
int ret;
if (ctx->parent)
return 1;
ret = X509_policy_check(&ctx->tree, &ctx->explicit_policy, ctx->chain,
ctx->param->policies, ctx->param->flags);
if (ret == 0)
{
X509err(X509_F_CHECK_POLICY,ERR_R_MALLOC_FAILURE);
return 0;
}
/* Invalid or inconsistent extensions */
if (ret == -1)
{
/* Locate certificates with bad extensions and notify
* callback.
*/
X509 *x;
int i;
for (i = 1; i < sk_X509_num(ctx->chain); i++)
{
x = sk_X509_value(ctx->chain, i);
if (!(x->ex_flags & EXFLAG_INVALID_POLICY))
continue;
ctx->current_cert = x;
ctx->error = X509_V_ERR_INVALID_POLICY_EXTENSION;
if(!ctx->verify_cb(0, ctx))
return 0;
}
return 1;
}
if (ret == -2)
{
ctx->current_cert = NULL;
ctx->error = X509_V_ERR_NO_EXPLICIT_POLICY;
return ctx->verify_cb(0, ctx);
}
if (ctx->param->flags & X509_V_FLAG_NOTIFY_POLICY)
{
ctx->current_cert = NULL;
ctx->error = X509_V_OK;
if (!ctx->verify_cb(2, ctx))
return 0;
}
return 1;
}
static int check_cert_time(X509_STORE_CTX *ctx, X509 *x)
{
time_t *ptime;
int i;
if (ctx->param->flags & X509_V_FLAG_USE_CHECK_TIME)
ptime = &ctx->param->check_time;
else
ptime = NULL;
i=X509_cmp_time(X509_get_notBefore(x), ptime);
if (i == 0)
{
ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD;
ctx->current_cert=x;
if (!ctx->verify_cb(0, ctx))
return 0;
}
if (i > 0)
{
ctx->error=X509_V_ERR_CERT_NOT_YET_VALID;
ctx->current_cert=x;
if (!ctx->verify_cb(0, ctx))
return 0;
}
i=X509_cmp_time(X509_get_notAfter(x), ptime);
if (i == 0)
{
ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD;
ctx->current_cert=x;
if (!ctx->verify_cb(0, ctx))
return 0;
}
if (i < 0)
{
ctx->error=X509_V_ERR_CERT_HAS_EXPIRED;
ctx->current_cert=x;
if (!ctx->verify_cb(0, ctx))
return 0;
}
return 1;
}
static int internal_verify(X509_STORE_CTX *ctx)
{
int ok=0,n;
X509 *xs,*xi;
EVP_PKEY *pkey=NULL;
int (*cb)(int xok,X509_STORE_CTX *xctx);
cb=ctx->verify_cb;
n=sk_X509_num(ctx->chain);
ctx->error_depth=n-1;
n--;
xi=sk_X509_value(ctx->chain,n);
if (ctx->check_issued(ctx, xi, xi))
xs=xi;
else
{
if (n <= 0)
{
ctx->error=X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE;
ctx->current_cert=xi;
ok=cb(0,ctx);
goto end;
}
else
{
n--;
ctx->error_depth=n;
xs=sk_X509_value(ctx->chain,n);
}
}
/* ctx->error=0; not needed */
while (n >= 0)
{
ctx->error_depth=n;
/* Skip signature check for self signed certificates unless
* explicitly asked for. It doesn't add any security and
* just wastes time.
*/
if (!xs->valid && (xs != xi || (ctx->param->flags & X509_V_FLAG_CHECK_SS_SIGNATURE)))
{
if ((pkey=X509_get_pubkey(xi)) == NULL)
{
ctx->error=X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY;
ctx->current_cert=xi;
ok=(*cb)(0,ctx);
if (!ok) goto end;
}
else if (X509_verify(xs,pkey) <= 0)
{
ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE;
ctx->current_cert=xs;
ok=(*cb)(0,ctx);
if (!ok)
{
EVP_PKEY_free(pkey);
goto end;
}
}
EVP_PKEY_free(pkey);
pkey=NULL;
}
xs->valid = 1;
ok = check_cert_time(ctx, xs);
if (!ok)
goto end;
/* The last error (if any) is still in the error value */
ctx->current_issuer=xi;
ctx->current_cert=xs;
ok=(*cb)(1,ctx);
if (!ok) goto end;
n--;
if (n >= 0)
{
xi=xs;
xs=sk_X509_value(ctx->chain,n);
}
}
ok=1;
end:
return ok;
}
int X509_cmp_current_time(const ASN1_TIME *ctm)
{
return X509_cmp_time(ctm, NULL);
}
int X509_cmp_time(const ASN1_TIME *ctm, time_t *cmp_time)
{
char *str;
ASN1_TIME atm;
long offset;
char buff1[24],buff2[24],*p;
int i,j;
p=buff1;
i=ctm->length;
str=(char *)ctm->data;
if (ctm->type == V_ASN1_UTCTIME)
{
if ((i < 11) || (i > 17)) return 0;
memcpy(p,str,10);
p+=10;
str+=10;
}
else
{
if (i < 13) return 0;
memcpy(p,str,12);
p+=12;
str+=12;
}
if ((*str == 'Z') || (*str == '-') || (*str == '+'))
{ *(p++)='0'; *(p++)='0'; }
else
{
*(p++)= *(str++);
*(p++)= *(str++);
/* Skip any fractional seconds... */
if (*str == '.')
{
str++;
while ((*str >= '0') && (*str <= '9')) str++;
}
}
*(p++)='Z';
*(p++)='\0';
if (*str == 'Z')
offset=0;
else
{
if ((*str != '+') && (*str != '-'))
return 0;
offset=((str[1]-'0')*10+(str[2]-'0'))*60;
offset+=(str[3]-'0')*10+(str[4]-'0');
if (*str == '-')
offset= -offset;
}
atm.type=ctm->type;
atm.flags = 0;
atm.length=sizeof(buff2);
atm.data=(unsigned char *)buff2;
if (X509_time_adj(&atm, offset*60, cmp_time) == NULL)
return 0;
if (ctm->type == V_ASN1_UTCTIME)
{
i=(buff1[0]-'0')*10+(buff1[1]-'0');
if (i < 50) i+=100; /* cf. RFC 2459 */
j=(buff2[0]-'0')*10+(buff2[1]-'0');
if (j < 50) j+=100;
if (i < j) return -1;
if (i > j) return 1;
}
i=strcmp(buff1,buff2);
if (i == 0) /* wait a second then return younger :-) */
return -1;
else
return i;
}
ASN1_TIME *X509_gmtime_adj(ASN1_TIME *s, long adj)
{
return X509_time_adj(s, adj, NULL);
}
ASN1_TIME *X509_time_adj(ASN1_TIME *s, long offset_sec, time_t *in_tm)
{
return X509_time_adj_ex(s, 0, offset_sec, in_tm);
}
ASN1_TIME *X509_time_adj_ex(ASN1_TIME *s,
int offset_day, long offset_sec, time_t *in_tm)
{
time_t t;
if (in_tm) t = *in_tm;
else time(&t);
if (s && !(s->flags & ASN1_STRING_FLAG_MSTRING))
{
if (s->type == V_ASN1_UTCTIME)
return ASN1_UTCTIME_adj(s,t, offset_day, offset_sec);
if (s->type == V_ASN1_GENERALIZEDTIME)
return ASN1_GENERALIZEDTIME_adj(s, t, offset_day,
offset_sec);
}
return ASN1_TIME_adj(s, t, offset_day, offset_sec);
}
int X509_get_pubkey_parameters(EVP_PKEY *pkey, STACK_OF(X509) *chain)
{
EVP_PKEY *ktmp=NULL,*ktmp2;
int i,j;
if ((pkey != NULL) && !EVP_PKEY_missing_parameters(pkey)) return 1;
for (i=0; i<sk_X509_num(chain); i++)
{
ktmp=X509_get_pubkey(sk_X509_value(chain,i));
if (ktmp == NULL)
{
X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY);
return 0;
}
if (!EVP_PKEY_missing_parameters(ktmp))
break;
else
{
EVP_PKEY_free(ktmp);
ktmp=NULL;
}
}
if (ktmp == NULL)
{
X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN);
return 0;
}
/* first, populate the other certs */
for (j=i-1; j >= 0; j--)
{
ktmp2=X509_get_pubkey(sk_X509_value(chain,j));
EVP_PKEY_copy_parameters(ktmp2,ktmp);
EVP_PKEY_free(ktmp2);
}
if (pkey != NULL) EVP_PKEY_copy_parameters(pkey,ktmp);
EVP_PKEY_free(ktmp);
return 1;
}
int X509_STORE_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
/* This function is (usually) called only once, by
* SSL_get_ex_data_X509_STORE_CTX_idx (ssl/ssl_cert.c). */
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509_STORE_CTX, argl, argp,
new_func, dup_func, free_func);
}
int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx, int idx, void *data)
{
return CRYPTO_set_ex_data(&ctx->ex_data,idx,data);
}
void *X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx, int idx)
{
return CRYPTO_get_ex_data(&ctx->ex_data,idx);
}
int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx)
{
return ctx->error;
}
void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int err)
{
ctx->error=err;
}
int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx)
{
return ctx->error_depth;
}
X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx)
{
return ctx->current_cert;
}
STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx)
{
return ctx->chain;
}
STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx)
{
int i;
X509 *x;
STACK_OF(X509) *chain;
if (!ctx->chain || !(chain = sk_X509_dup(ctx->chain))) return NULL;
for (i = 0; i < sk_X509_num(chain); i++)
{
x = sk_X509_value(chain, i);
CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
}
return chain;
}
X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx)
{
return ctx->current_issuer;
}
X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx)
{
return ctx->current_crl;
}
X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx)
{
return ctx->parent;
}
void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x)
{
ctx->cert=x;
}
void X509_STORE_CTX_set_chain(X509_STORE_CTX *ctx, STACK_OF(X509) *sk)
{
ctx->untrusted=sk;
}
void X509_STORE_CTX_set0_crls(X509_STORE_CTX *ctx, STACK_OF(X509_CRL) *sk)
{
ctx->crls=sk;
}
int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose)
{
return X509_STORE_CTX_purpose_inherit(ctx, 0, purpose, 0);
}
int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust)
{
return X509_STORE_CTX_purpose_inherit(ctx, 0, 0, trust);
}
/* This function is used to set the X509_STORE_CTX purpose and trust
* values. This is intended to be used when another structure has its
* own trust and purpose values which (if set) will be inherited by
* the ctx. If they aren't set then we will usually have a default
* purpose in mind which should then be used to set the trust value.
* An example of this is SSL use: an SSL structure will have its own
* purpose and trust settings which the application can set: if they
* aren't set then we use the default of SSL client/server.
*/
int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
int purpose, int trust)
{
int idx;
/* If purpose not set use default */
if (!purpose) purpose = def_purpose;
/* If we have a purpose then check it is valid */
if (purpose)
{
X509_PURPOSE *ptmp;
idx = X509_PURPOSE_get_by_id(purpose);
if (idx == -1)
{
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_PURPOSE_ID);
return 0;
}
ptmp = X509_PURPOSE_get0(idx);
if (ptmp->trust == X509_TRUST_DEFAULT)
{
idx = X509_PURPOSE_get_by_id(def_purpose);
if (idx == -1)
{
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_PURPOSE_ID);
return 0;
}
ptmp = X509_PURPOSE_get0(idx);
}
/* If trust not set then get from purpose default */
if (!trust) trust = ptmp->trust;
}
if (trust)
{
idx = X509_TRUST_get_by_id(trust);
if (idx == -1)
{
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_TRUST_ID);
return 0;
}
}
if (purpose && !ctx->param->purpose) ctx->param->purpose = purpose;
if (trust && !ctx->param->trust) ctx->param->trust = trust;
return 1;
}
X509_STORE_CTX *X509_STORE_CTX_new(void)
{
X509_STORE_CTX *ctx;
ctx = (X509_STORE_CTX *)OPENSSL_malloc(sizeof(X509_STORE_CTX));
if (!ctx)
{
X509err(X509_F_X509_STORE_CTX_NEW,ERR_R_MALLOC_FAILURE);
return NULL;
}
memset(ctx, 0, sizeof(X509_STORE_CTX));
return ctx;
}
void X509_STORE_CTX_free(X509_STORE_CTX *ctx)