static X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x);
static int check_chain_purpose(X509_STORE_CTX *ctx);
static int check_trust(X509_STORE_CTX *ctx);
+static int check_revocation(X509_STORE_CTX *ctx);
+static int check_cert(X509_STORE_CTX *ctx);
static int internal_verify(X509_STORE_CTX *ctx);
const char *X509_version="X.509" OPENSSL_VERSION_PTEXT;
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_store_ctx_method=NULL;
-static int x509_store_ctx_num=0;
-#if 0
-static int x509_store_num=1;
-static STACK *x509_store_method=NULL;
-#endif
static int null_callback(int ok, X509_STORE_CTX *e)
{
- return(ok);
+ return ok;
}
#if 0
static int x509_subject_cmp(X509 **a, X509 **b)
{
- return(X509_subject_name_cmp(*a,*b));
+ return X509_subject_name_cmp(*a,*b);
}
#endif
if (ctx->cert == NULL)
{
X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);
- return(-1);
+ return -1;
}
cb=ctx->verify_cb;
- if (cb == NULL) cb=null_callback;
/* first we make sure the chain we are going to build is
* present and that the first entry is in place */
ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
ctx->current_cert=x;
ctx->error_depth=i-1;
- if(ok == 1) X509_free(xtmp);
+ if (ok == 1) X509_free(xtmp);
ok=cb(0,ctx);
if (!ok) goto end;
}
ok = ctx->get_issuer(&xtmp, ctx, x);
if (ok < 0) return ok;
- if(ok == 0) break;
+ if (ok == 0) break;
x = xtmp;
if (!sk_X509_push(ctx->chain,x))
{
X509_free(xtmp);
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
- return(0);
+ return 0;
}
num++;
}
}
/* We have the chain complete: now we need to check its purpose */
- if(ctx->purpose > 0) ok = check_chain_purpose(ctx);
+ if (ctx->purpose > 0) ok = check_chain_purpose(ctx);
- if(!ok) goto end;
+ if (!ok) goto end;
/* The chain extensions are OK: check trust */
- if(ctx->trust > 0) ok = check_trust(ctx);
+ if (ctx->trust > 0) ok = check_trust(ctx);
- if(!ok) goto end;
+ if (!ok) goto end;
/* We may as well copy down any DSA parameters that are required */
X509_get_pubkey_parameters(NULL,ctx->chain);
+ /* Check revocation status: we do this after copying parameters
+ * because they may be needed for CRL signature verification.
+ */
+
+ ok = ctx->check_revocation(ctx);
+ if(!ok) goto end;
+
/* At this point, we have a chain and just need to verify it */
if (ctx->verify != NULL)
ok=ctx->verify(ctx);
}
if (sktmp != NULL) sk_X509_free(sktmp);
if (chain_ss != NULL) X509_free(chain_ss);
- return(ok);
+ return ok;
}
{
int i;
X509 *issuer;
- for(i = 0; i < sk_X509_num(sk); i++) {
+ for (i = 0; i < sk_X509_num(sk); i++)
+ {
issuer = sk_X509_value(sk, i);
- if(ctx->check_issued(ctx, x, issuer)) return issuer;
- }
+ if (ctx->check_issued(ctx, x, issuer))
+ return issuer;
+ }
return NULL;
}
{
int ret;
ret = X509_check_issued(issuer, x);
- if(ret == X509_V_OK) return 1;
- else {
- ctx->error = ret;
- ctx->current_cert = x;
- ctx->current_issuer = issuer;
- if(ctx->flags & X509_V_FLAG_CB_ISSUER_CHECK)
- return ctx->verify_cb(0, ctx);
- else return 0;
- }
+ if (ret == X509_V_OK)
+ return 1;
+ /* If we haven't asked for issuer errors don't set ctx */
+ if (!(ctx->flags & X509_V_FLAG_CB_ISSUER_CHECK))
+ return 0;
+
+ ctx->error = ret;
+ ctx->current_cert = x;
+ ctx->current_issuer = issuer;
+ return ctx->verify_cb(0, ctx);
return 0;
}
static int get_issuer_sk(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
{
*issuer = find_issuer(ctx, ctx->other_ctx, x);
- if(*issuer) {
+ if (*issuer)
+ {
CRYPTO_add(&(*issuer)->references,1,CRYPTO_LOCK_X509);
return 1;
- } else return 0;
+ }
+ else
+ return 0;
}
static int check_chain_purpose(X509_STORE_CTX *ctx)
{
-#ifdef NO_CHAIN_VERIFY
+#ifdef OPENSSL_NO_CHAIN_VERIFY
return 1;
#else
int i, ok=0;
X509 *x;
int (*cb)();
cb=ctx->verify_cb;
- if (cb == NULL) cb=null_callback;
/* Check all untrusted certificates */
- for(i = 0; i < ctx->last_untrusted; i++) {
+ for (i = 0; i < ctx->last_untrusted; i++)
+ {
x = sk_X509_value(ctx->chain, i);
- if(!X509_check_purpose(x, ctx->purpose, i)) {
- if(i) ctx->error = X509_V_ERR_INVALID_CA;
- else ctx->error = X509_V_ERR_INVALID_PURPOSE;
+ if (!X509_check_purpose(x, ctx->purpose, i))
+ {
+ if (i)
+ ctx->error = X509_V_ERR_INVALID_CA;
+ else
+ ctx->error = X509_V_ERR_INVALID_PURPOSE;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
- if(!ok) goto end;
- }
+ if (!ok) goto end;
+ }
/* Check pathlen */
- if((i > 1) && (x->ex_pathlen != -1)
- && (i > (x->ex_pathlen + 1))) {
+ if ((i > 1) && (x->ex_pathlen != -1)
+ && (i > (x->ex_pathlen + 1)))
+ {
ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;
ctx->error_depth = i;
ctx->current_cert = x;
ok=cb(0,ctx);
- if(!ok) goto end;
+ if (!ok) goto end;
+ }
}
- }
ok = 1;
- end:
- return(ok);
+ end:
+ return ok;
#endif
}
static int check_trust(X509_STORE_CTX *ctx)
{
-#ifdef NO_CHAIN_VERIFY
+#ifdef OPENSSL_NO_CHAIN_VERIFY
return 1;
#else
int i, ok;
X509 *x;
int (*cb)();
cb=ctx->verify_cb;
- if (cb == NULL) cb=null_callback;
/* For now just check the last certificate in the chain */
i = sk_X509_num(ctx->chain) - 1;
x = sk_X509_value(ctx->chain, i);
ok = X509_check_trust(x, ctx->trust, 0);
- if(ok == X509_TRUST_TRUSTED) return 1;
- ctx->error_depth = sk_X509_num(ctx->chain) - 1;
+ if (ok == X509_TRUST_TRUSTED)
+ return 1;
+ ctx->error_depth = i;
ctx->current_cert = x;
- if(ok == X509_TRUST_REJECTED) ctx->error = X509_V_ERR_CERT_REJECTED;
- else ctx->error = X509_V_ERR_CERT_UNTRUSTED;
+ if (ok == X509_TRUST_REJECTED)
+ ctx->error = X509_V_ERR_CERT_REJECTED;
+ else
+ ctx->error = X509_V_ERR_CERT_UNTRUSTED;
ok = cb(0, ctx);
- return(ok);
+ return ok;
#endif
}
+static int check_revocation(X509_STORE_CTX *ctx)
+ {
+ int i, last, ok;
+ if (!(ctx->flags & X509_V_FLAG_CRL_CHECK))
+ return 1;
+ if (ctx->flags & X509_V_FLAG_CRL_CHECK_ALL)
+ last = 0;
+ else
+ last = sk_X509_num(ctx->chain) - 1;
+ for(i = 0; i <= last; i++)
+ {
+ ctx->error_depth = i;
+ ok = check_cert(ctx);
+ if (!ok) return ok;
+ }
+ return 1;
+ }
+
+static int check_cert(X509_STORE_CTX *ctx)
+ {
+ X509_CRL *crl = NULL;
+ X509 *x;
+ int ok, cnum;
+ cnum = ctx->error_depth;
+ x = sk_X509_value(ctx->chain, cnum);
+ ctx->current_cert = x;
+ /* Try to retrieve relevant CRL */
+ ok = ctx->get_crl(ctx, &crl, x);
+ /* If error looking up CRL, nothing we can do except
+ * notify callback
+ */
+ if(!ok)
+ {
+ ctx->error = X509_V_ERR_UNABLE_TO_GET_CRL;
+ ok = ctx->verify_cb(0, ctx);
+ goto err;
+ }
+ ctx->current_crl = crl;
+ ok = ctx->check_crl(ctx, crl);
+ if (!ok) goto err;
+ ok = ctx->cert_crl(ctx, crl, x);
+ err:
+ ctx->current_crl = NULL;
+ X509_CRL_free(crl);
+ return ok;
+
+ }
+
+/* Retrieve CRL corresponding to certificate: currently just a
+ * subject lookup: maybe use AKID later...
+ * Also might look up any included CRLs too (e.g PKCS#7 signedData).
+ */
+static int get_crl(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x)
+ {
+ int ok;
+ X509_OBJECT xobj;
+ ok = X509_STORE_get_by_subject(ctx, X509_LU_CRL, X509_get_issuer_name(x), &xobj);
+ if (!ok) return 0;
+ *crl = xobj.data.crl;
+ return 1;
+ }
+
+/* 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, i;
+ time_t *ptime;
+ cnum = ctx->error_depth;
+ chnum = sk_X509_num(ctx->chain) - 1;
+ /* Find CRL issuer: if not last certificate then issuer
+ * is next certificate in chain.
+ */
+ 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)
+ {
+
+ /* 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, CRL signature valid check times */
+ if (ctx->flags & X509_V_FLAG_USE_CHECK_TIME)
+ ptime = &ctx->check_time;
+ else
+ ptime = NULL;
+
+ i=X509_cmp_time(X509_CRL_get_lastUpdate(crl), ptime);
+ if (i == 0)
+ {
+ ctx->error=X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD;
+ ok = ctx->verify_cb(0, ctx);
+ if (!ok) goto err;
+ }
+
+ if (i > 0)
+ {
+ ctx->error=X509_V_ERR_CRL_NOT_YET_VALID;
+ ok = ctx->verify_cb(0, ctx);
+ if (!ok) goto err;
+ }
+
+ if(X509_CRL_get_nextUpdate(crl))
+ {
+ i=X509_cmp_time(X509_CRL_get_nextUpdate(crl), ptime);
+
+ if (i == 0)
+ {
+ ctx->error=X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD;
+ ok = ctx->verify_cb(0, ctx);
+ if (!ok) goto err;
+ }
+
+ if (i < 0)
+ {
+ ctx->error=X509_V_ERR_CRL_HAS_EXPIRED;
+ 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 idx, ok;
+ X509_REVOKED rtmp;
+ /* Look for serial number of certificate in CRL */
+ rtmp.serialNumber = X509_get_serialNumber(x);
+ idx = sk_X509_REVOKED_find(crl->crl->revoked, &rtmp);
+ /* Not found: OK */
+ if(idx == -1) return 1;
+ /* Otherwise revoked: want something cleverer than
+ * this to handle entry extensions in V2 CRLs.
+ */
+ ctx->error = X509_V_ERR_CERT_REVOKED;
+ ok = ctx->verify_cb(0, ctx);
+ return ok;
+ }
+
static int internal_verify(X509_STORE_CTX *ctx)
{
int i,ok=0,n;
X509 *xs,*xi;
EVP_PKEY *pkey=NULL;
+ time_t *ptime;
int (*cb)();
cb=ctx->verify_cb;
- if (cb == NULL) cb=null_callback;
n=sk_X509_num(ctx->chain);
ctx->error_depth=n-1;
n--;
xi=sk_X509_value(ctx->chain,n);
- if (X509_NAME_cmp(X509_get_subject_name(xi),
- X509_get_issuer_name(xi)) == 0)
+ if (ctx->flags & X509_V_FLAG_USE_CHECK_TIME)
+ ptime = &ctx->check_time;
+ else
+ ptime = NULL;
+ if (ctx->check_issued(ctx, xi, xi))
xs=xi;
else
{
if (!ok) goto end;
}
if (X509_verify(xs,pkey) <= 0)
+ /* XXX For the final trusted self-signed cert,
+ * this is a waste of time. That check should
+ * optional so that e.g. 'openssl x509' can be
+ * used to detect invalid self-signatures, but
+ * we don't verify again and again in SSL
+ * handshakes and the like once the cert has
+ * been declared trusted. */
{
ctx->error=X509_V_ERR_CERT_SIGNATURE_FAILURE;
ctx->current_cert=xs;
EVP_PKEY_free(pkey);
pkey=NULL;
- i=X509_cmp_current_time(X509_get_notBefore(xs));
+ i=X509_cmp_time(X509_get_notBefore(xs), ptime);
if (i == 0)
{
ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD;
xs->valid=1;
}
- i=X509_cmp_current_time(X509_get_notAfter(xs));
+ i=X509_cmp_time(X509_get_notAfter(xs), ptime);
if (i == 0)
{
ctx->error=X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD;
}
ok=1;
end:
- return(ok);
+ return ok;
}
int X509_cmp_current_time(ASN1_TIME *ctm)
+{
+ return X509_cmp_time(ctm, NULL);
+}
+
+int X509_cmp_time(ASN1_TIME *ctm, time_t *cmp_time)
{
char *str;
ASN1_TIME atm;
p=buff1;
i=ctm->length;
str=(char *)ctm->data;
- if(ctm->type == V_ASN1_UTCTIME) {
- if ((i < 11) || (i > 17)) return(0);
+ 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;
+ }
+ else
+ {
+ if (i < 13) return 0;
memcpy(p,str,12);
p+=12;
str+=12;
- }
+ }
if ((*str == 'Z') || (*str == '-') || (*str == '+'))
{ *(p++)='0'; *(p++)='0'; }
*(p++)= *(str++);
*(p++)= *(str++);
/* Skip any fractional seconds... */
- if(*str == '.')
+ if (*str == '.')
{
str++;
- while((*str >= '0') && (*str <= '9')) str++;
+ while ((*str >= '0') && (*str <= '9')) str++;
}
-
- }
+
+ }
*(p++)='Z';
*(p++)='\0';
else
{
if ((*str != '+') && (str[5] != '-'))
- return(0);
+ return 0;
offset=((str[1]-'0')*10+(str[2]-'0'))*60;
offset+=(str[3]-'0')*10+(str[4]-'0');
if (*str == '-')
atm.length=sizeof(buff2);
atm.data=(unsigned char *)buff2;
- X509_gmtime_adj(&atm,-offset*60);
+ X509_time_adj(&atm,-offset*60, cmp_time);
- if(ctm->type == V_ASN1_UTCTIME)
+ 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);
+ 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);
+ return -1;
else
- return(i);
+ 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 adj, time_t *in_tm)
{
time_t t;
+ int type = -1;
+
+ if (in_tm) t = *in_tm;
+ else time(&t);
- time(&t);
t+=adj;
- if(!s) return ASN1_TIME_set(s, t);
- if(s->type == V_ASN1_UTCTIME) return(ASN1_UTCTIME_set(s,t));
- return ASN1_GENERALIZEDTIME_set(s, t);
+ if (s) type = s->type;
+ if (type == V_ASN1_UTCTIME) return ASN1_UTCTIME_set(s,t);
+ if (type == V_ASN1_GENERALIZEDTIME) return ASN1_GENERALIZEDTIME_set(s, t);
+ return ASN1_TIME_set(s, t);
}
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);
+ if ((pkey != NULL) && !EVP_PKEY_missing_parameters(pkey)) return 1;
for (i=0; i<sk_X509_num(chain); i++)
{
if (ktmp == NULL)
{
X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY);
- return(0);
+ return 0;
}
if (!EVP_PKEY_missing_parameters(ktmp))
break;
if (ktmp == NULL)
{
X509err(X509_F_X509_GET_PUBKEY_PARAMETERS,X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN);
- return(0);
+ return 0;
}
/* first, populate the other certs */
if (pkey != NULL) EVP_PKEY_copy_parameters(pkey,ktmp);
EVP_PKEY_free(ktmp);
- return(1);
+ 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)
- {
- x509_store_ctx_num++;
- return(CRYPTO_get_ex_new_index(x509_store_ctx_num-1,
- &x509_store_ctx_method,
- argl,argp,new_func,dup_func,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));
+ 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));
+ return CRYPTO_get_ex_data(&ctx->ex_data,idx);
}
int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx)
{
- return(ctx->error);
+ return ctx->error;
}
void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx, int err)
int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx)
{
- return(ctx->error_depth);
+ return ctx->error_depth;
}
X509 *X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx)
{
- return(ctx->current_cert);
+ return ctx->current_cert;
}
STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx)
{
- return(ctx->chain);
+ 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++) {
+ 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);
+ }
+ return chain;
}
void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x)
{
int idx;
/* If purpose not set use default */
- if(!purpose) purpose = def_purpose;
+ if (!purpose) purpose = def_purpose;
/* If we have a purpose then check it is valid */
- if(purpose) {
+ if (purpose)
+ {
X509_PURPOSE *ptmp;
idx = X509_PURPOSE_get_by_id(purpose);
- if(idx == -1) {
+ 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) {
+ if (ptmp->trust == X509_TRUST_DEFAULT)
+ {
idx = X509_PURPOSE_get_by_id(def_purpose);
- if(idx == -1) {
+ 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) {
+ if (!trust) trust = ptmp->trust;
+ }
+ if (trust)
+ {
idx = X509_TRUST_get_by_id(trust);
- if(idx == -1) {
+ if (idx == -1)
+ {
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_TRUST_ID);
return 0;
+ }
}
- }
- if(purpose) ctx->purpose = purpose;
- if(trust) ctx->trust = trust;
+ if (purpose && !ctx->purpose) ctx->purpose = purpose;
+ if (trust && !ctx->trust) ctx->trust = trust;
return 1;
}
{
X509_STORE_CTX *ctx;
ctx = (X509_STORE_CTX *)OPENSSL_malloc(sizeof(X509_STORE_CTX));
- if(ctx) memset(ctx, 0, 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;
}
OPENSSL_free(ctx);
}
-void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
+int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
STACK_OF(X509) *chain)
{
ctx->ctx=store;
ctx->cert=x509;
ctx->untrusted=chain;
ctx->last_untrusted=0;
- ctx->purpose=0;
- ctx->trust=0;
+ ctx->purpose=store->purpose;
+ ctx->trust=store->trust;
+ ctx->check_time=0;
+ ctx->flags=0;
+ ctx->other_ctx=NULL;
ctx->valid=0;
ctx->chain=NULL;
ctx->depth=9;
ctx->error=0;
+ ctx->error_depth=0;
ctx->current_cert=NULL;
ctx->current_issuer=NULL;
- ctx->check_issued = check_issued;
- ctx->get_issuer = X509_STORE_CTX_get1_issuer;
- ctx->verify_cb = store->verify_cb;
- ctx->verify = store->verify;
- ctx->cleanup = NULL;
- memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA));
+
+ /* Inherit callbacks and flags from X509_STORE if not set
+ * use defaults.
+ */
+
+ ctx->flags = store->flags;
+
+ if (store->check_issued)
+ ctx->check_issued = store->check_issued;
+ else
+ ctx->check_issued = check_issued;
+
+ if (store->get_issuer)
+ ctx->get_issuer = store->get_issuer;
+ else
+ ctx->get_issuer = X509_STORE_CTX_get1_issuer;
+
+ if (store->verify_cb)
+ ctx->verify_cb = store->verify_cb;
+ else
+ ctx->verify_cb = null_callback;
+
+ if (store->verify)
+ ctx->verify = store->verify;
+ else
+ ctx->verify = internal_verify;
+
+ if (store->check_revocation)
+ ctx->check_revocation = store->check_revocation;
+ else
+ ctx->check_revocation = check_revocation;
+
+ if (store->get_crl)
+ ctx->get_crl = store->get_crl;
+ else
+ ctx->get_crl = get_crl;
+
+ if (store->check_crl)
+ ctx->check_crl = store->check_crl;
+ else
+ ctx->check_crl = check_crl;
+
+ if (store->cert_crl)
+ ctx->cert_crl = store->cert_crl;
+ else
+ ctx->cert_crl = cert_crl;
+
+ ctx->cleanup = store->cleanup;
+
+ /* This memset() can't make any sense anyway, so it's removed. As
+ * X509_STORE_CTX_cleanup does a proper "free" on the ex_data, we put a
+ * corresponding "new" here and remove this bogus initialisation. */
+ /* memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA)); */
+ if(!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx,
+ &(ctx->ex_data)))
+ {
+ OPENSSL_free(ctx);
+ X509err(X509_F_X509_STORE_CTX_INIT,ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ return 1;
}
/* Set alternative lookup method: just a STACK of trusted certificates.
void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx)
{
- if(ctx->cleanup) ctx->cleanup(ctx);
+ if (ctx->cleanup) ctx->cleanup(ctx);
if (ctx->chain != NULL)
{
sk_X509_pop_free(ctx->chain,X509_free);
ctx->chain=NULL;
}
- CRYPTO_free_ex_data(x509_store_ctx_method,ctx,&(ctx->ex_data));
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE_CTX, ctx, &(ctx->ex_data));
memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA));
}
+void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, long flags)
+ {
+ ctx->flags |= flags;
+ }
+
+void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, long flags, time_t t)
+ {
+ ctx->check_time = t;
+ ctx->flags |= X509_V_FLAG_USE_CHECK_TIME;
+ }
+
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+ int (*verify_cb)(int, X509_STORE_CTX *))
+ {
+ ctx->verify_cb=verify_cb;
+ }
+
IMPLEMENT_STACK_OF(X509)
IMPLEMENT_ASN1_SET_OF(X509)