/* v3_purp.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2001.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2001.
*/
/* ====================================================================
* Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
static void x509v3_cache_extensions(X509 *x);
static int check_ssl_ca(const X509 *x);
-static int check_purpose_ssl_client(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int check_purpose_ssl_server(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int check_purpose_ns_ssl_server(const X509_PURPOSE *xp, const X509 *x, int ca);
+static int check_purpose_ssl_client(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
+static int check_purpose_ssl_server(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
+static int check_purpose_ns_ssl_server(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
static int purpose_smime(const X509 *x, int ca);
-static int check_purpose_smime_sign(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int check_purpose_smime_encrypt(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int check_purpose_crl_sign(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int check_purpose_timestamp_sign(const X509_PURPOSE *xp, const X509 *x, int ca);
+static int check_purpose_smime_sign(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
+static int check_purpose_smime_encrypt(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
+static int check_purpose_crl_sign(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
+static int check_purpose_timestamp_sign(const X509_PURPOSE *xp, const X509 *x,
+ int ca);
static int no_check(const X509_PURPOSE *xp, const X509 *x, int ca);
static int ocsp_helper(const X509_PURPOSE *xp, const X509 *x, int ca);
-static int xp_cmp(const X509_PURPOSE * const *a,
- const X509_PURPOSE * const *b);
+static int xp_cmp(const X509_PURPOSE *const *a, const X509_PURPOSE *const *b);
static void xptable_free(X509_PURPOSE *p);
static X509_PURPOSE xstandard[] = {
- {X509_PURPOSE_SSL_CLIENT, X509_TRUST_SSL_CLIENT, 0, check_purpose_ssl_client, "SSL client", "sslclient", NULL},
- {X509_PURPOSE_SSL_SERVER, X509_TRUST_SSL_SERVER, 0, check_purpose_ssl_server, "SSL server", "sslserver", NULL},
- {X509_PURPOSE_NS_SSL_SERVER, X509_TRUST_SSL_SERVER, 0, check_purpose_ns_ssl_server, "Netscape SSL server", "nssslserver", NULL},
- {X509_PURPOSE_SMIME_SIGN, X509_TRUST_EMAIL, 0, check_purpose_smime_sign, "S/MIME signing", "smimesign", NULL},
- {X509_PURPOSE_SMIME_ENCRYPT, X509_TRUST_EMAIL, 0, check_purpose_smime_encrypt, "S/MIME encryption", "smimeencrypt", NULL},
- {X509_PURPOSE_CRL_SIGN, X509_TRUST_COMPAT, 0, check_purpose_crl_sign, "CRL signing", "crlsign", NULL},
- {X509_PURPOSE_ANY, X509_TRUST_DEFAULT, 0, no_check, "Any Purpose", "any", NULL},
- {X509_PURPOSE_OCSP_HELPER, X509_TRUST_COMPAT, 0, ocsp_helper, "OCSP helper", "ocsphelper", NULL},
- {X509_PURPOSE_TIMESTAMP_SIGN, X509_TRUST_TSA, 0, check_purpose_timestamp_sign, "Time Stamp signing", "timestampsign", NULL},
+ {X509_PURPOSE_SSL_CLIENT, X509_TRUST_SSL_CLIENT, 0,
+ check_purpose_ssl_client, "SSL client", "sslclient", NULL},
+ {X509_PURPOSE_SSL_SERVER, X509_TRUST_SSL_SERVER, 0,
+ check_purpose_ssl_server, "SSL server", "sslserver", NULL},
+ {X509_PURPOSE_NS_SSL_SERVER, X509_TRUST_SSL_SERVER, 0,
+ check_purpose_ns_ssl_server, "Netscape SSL server", "nssslserver", NULL},
+ {X509_PURPOSE_SMIME_SIGN, X509_TRUST_EMAIL, 0, check_purpose_smime_sign,
+ "S/MIME signing", "smimesign", NULL},
+ {X509_PURPOSE_SMIME_ENCRYPT, X509_TRUST_EMAIL, 0,
+ check_purpose_smime_encrypt, "S/MIME encryption", "smimeencrypt", NULL},
+ {X509_PURPOSE_CRL_SIGN, X509_TRUST_COMPAT, 0, check_purpose_crl_sign,
+ "CRL signing", "crlsign", NULL},
+ {X509_PURPOSE_ANY, X509_TRUST_DEFAULT, 0, no_check, "Any Purpose", "any",
+ NULL},
+ {X509_PURPOSE_OCSP_HELPER, X509_TRUST_COMPAT, 0, ocsp_helper,
+ "OCSP helper", "ocsphelper", NULL},
+ {X509_PURPOSE_TIMESTAMP_SIGN, X509_TRUST_TSA, 0,
+ check_purpose_timestamp_sign, "Time Stamp signing", "timestampsign",
+ NULL},
};
-#define X509_PURPOSE_COUNT (sizeof(xstandard)/sizeof(X509_PURPOSE))
-
-IMPLEMENT_STACK_OF(X509_PURPOSE)
+#define X509_PURPOSE_COUNT OSSL_NELEM(xstandard)
static STACK_OF(X509_PURPOSE) *xptable = NULL;
-static int xp_cmp(const X509_PURPOSE * const *a,
- const X509_PURPOSE * const *b)
+static int xp_cmp(const X509_PURPOSE *const *a, const X509_PURPOSE *const *b)
{
- return (*a)->purpose - (*b)->purpose;
+ return (*a)->purpose - (*b)->purpose;
}
-/* As much as I'd like to make X509_check_purpose use a "const" X509*
- * I really can't because it does recalculate hashes and do other non-const
- * things. */
+/*
+ * As much as I'd like to make X509_check_purpose use a "const" X509* I
+ * really can't because it does recalculate hashes and do other non-const
+ * things.
+ */
int X509_check_purpose(X509 *x, int id, int ca)
{
- int idx;
- const X509_PURPOSE *pt;
- if(!(x->ex_flags & EXFLAG_SET)) {
- CRYPTO_w_lock(CRYPTO_LOCK_X509);
- x509v3_cache_extensions(x);
- CRYPTO_w_unlock(CRYPTO_LOCK_X509);
- }
- if(id == -1) return 1;
- idx = X509_PURPOSE_get_by_id(id);
- if(idx == -1) return -1;
- pt = X509_PURPOSE_get0(idx);
- return pt->check_purpose(pt, x, ca);
+ int idx;
+ const X509_PURPOSE *pt;
+ if (!(x->ex_flags & EXFLAG_SET)) {
+ CRYPTO_w_lock(CRYPTO_LOCK_X509);
+ x509v3_cache_extensions(x);
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509);
+ }
+ if (id == -1)
+ return 1;
+ idx = X509_PURPOSE_get_by_id(id);
+ if (idx == -1)
+ return -1;
+ pt = X509_PURPOSE_get0(idx);
+ return pt->check_purpose(pt, x, ca);
}
int X509_PURPOSE_set(int *p, int purpose)
{
- if(X509_PURPOSE_get_by_id(purpose) == -1) {
- X509V3err(X509V3_F_X509_PURPOSE_SET, X509V3_R_INVALID_PURPOSE);
- return 0;
- }
- *p = purpose;
- return 1;
+ if (X509_PURPOSE_get_by_id(purpose) == -1) {
+ X509V3err(X509V3_F_X509_PURPOSE_SET, X509V3_R_INVALID_PURPOSE);
+ return 0;
+ }
+ *p = purpose;
+ return 1;
}
int X509_PURPOSE_get_count(void)
{
- if(!xptable) return X509_PURPOSE_COUNT;
- return sk_X509_PURPOSE_num(xptable) + X509_PURPOSE_COUNT;
+ if (!xptable)
+ return X509_PURPOSE_COUNT;
+ return sk_X509_PURPOSE_num(xptable) + X509_PURPOSE_COUNT;
}
-X509_PURPOSE * X509_PURPOSE_get0(int idx)
+X509_PURPOSE *X509_PURPOSE_get0(int idx)
{
- if(idx < 0) return NULL;
- if(idx < (int)X509_PURPOSE_COUNT) return xstandard + idx;
- return sk_X509_PURPOSE_value(xptable, idx - X509_PURPOSE_COUNT);
+ if (idx < 0)
+ return NULL;
+ if (idx < (int)X509_PURPOSE_COUNT)
+ return xstandard + idx;
+ return sk_X509_PURPOSE_value(xptable, idx - X509_PURPOSE_COUNT);
}
int X509_PURPOSE_get_by_sname(char *sname)
{
- int i;
- X509_PURPOSE *xptmp;
- for(i = 0; i < X509_PURPOSE_get_count(); i++) {
- xptmp = X509_PURPOSE_get0(i);
- if(!strcmp(xptmp->sname, sname)) return i;
- }
- return -1;
+ int i;
+ X509_PURPOSE *xptmp;
+ for (i = 0; i < X509_PURPOSE_get_count(); i++) {
+ xptmp = X509_PURPOSE_get0(i);
+ if (strcmp(xptmp->sname, sname) == 0)
+ return i;
+ }
+ return -1;
}
int X509_PURPOSE_get_by_id(int purpose)
{
- X509_PURPOSE tmp;
- int idx;
- if((purpose >= X509_PURPOSE_MIN) && (purpose <= X509_PURPOSE_MAX))
- return purpose - X509_PURPOSE_MIN;
- tmp.purpose = purpose;
- if(!xptable) return -1;
- idx = sk_X509_PURPOSE_find(xptable, &tmp);
- if(idx == -1) return -1;
- return idx + X509_PURPOSE_COUNT;
+ X509_PURPOSE tmp;
+ int idx;
+ if ((purpose >= X509_PURPOSE_MIN) && (purpose <= X509_PURPOSE_MAX))
+ return purpose - X509_PURPOSE_MIN;
+ tmp.purpose = purpose;
+ if (!xptable)
+ return -1;
+ idx = sk_X509_PURPOSE_find(xptable, &tmp);
+ if (idx == -1)
+ return -1;
+ return idx + X509_PURPOSE_COUNT;
}
int X509_PURPOSE_add(int id, int trust, int flags,
- int (*ck)(const X509_PURPOSE *, const X509 *, int),
- char *name, char *sname, void *arg)
-{
- int idx;
- X509_PURPOSE *ptmp;
- /* This is set according to what we change: application can't set it */
- flags &= ~X509_PURPOSE_DYNAMIC;
- /* This will always be set for application modified trust entries */
- flags |= X509_PURPOSE_DYNAMIC_NAME;
- /* Get existing entry if any */
- idx = X509_PURPOSE_get_by_id(id);
- /* Need a new entry */
- if(idx == -1) {
- if(!(ptmp = OPENSSL_malloc(sizeof(X509_PURPOSE)))) {
- X509V3err(X509V3_F_X509_PURPOSE_ADD,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- ptmp->flags = X509_PURPOSE_DYNAMIC;
- } else ptmp = X509_PURPOSE_get0(idx);
-
- /* OPENSSL_free existing name if dynamic */
- if(ptmp->flags & X509_PURPOSE_DYNAMIC_NAME) {
- OPENSSL_free(ptmp->name);
- OPENSSL_free(ptmp->sname);
- }
- /* dup supplied name */
- ptmp->name = BUF_strdup(name);
- ptmp->sname = BUF_strdup(sname);
- if(!ptmp->name || !ptmp->sname) {
- X509V3err(X509V3_F_X509_PURPOSE_ADD,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- /* Keep the dynamic flag of existing entry */
- ptmp->flags &= X509_PURPOSE_DYNAMIC;
- /* Set all other flags */
- ptmp->flags |= flags;
-
- ptmp->purpose = id;
- ptmp->trust = trust;
- ptmp->check_purpose = ck;
- ptmp->usr_data = arg;
-
- /* If its a new entry manage the dynamic table */
- if(idx == -1) {
- if(!xptable && !(xptable = sk_X509_PURPOSE_new(xp_cmp))) {
- X509V3err(X509V3_F_X509_PURPOSE_ADD,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- if (!sk_X509_PURPOSE_push(xptable, ptmp)) {
- X509V3err(X509V3_F_X509_PURPOSE_ADD,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
- return 1;
+ int (*ck) (const X509_PURPOSE *, const X509 *, int),
+ char *name, char *sname, void *arg)
+{
+ int idx;
+ X509_PURPOSE *ptmp;
+ /*
+ * This is set according to what we change: application can't set it
+ */
+ flags &= ~X509_PURPOSE_DYNAMIC;
+ /* This will always be set for application modified trust entries */
+ flags |= X509_PURPOSE_DYNAMIC_NAME;
+ /* Get existing entry if any */
+ idx = X509_PURPOSE_get_by_id(id);
+ /* Need a new entry */
+ if (idx == -1) {
+ if (!(ptmp = OPENSSL_malloc(sizeof(*ptmp)))) {
+ X509V3err(X509V3_F_X509_PURPOSE_ADD, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ptmp->flags = X509_PURPOSE_DYNAMIC;
+ } else
+ ptmp = X509_PURPOSE_get0(idx);
+
+ /* OPENSSL_free existing name if dynamic */
+ if (ptmp->flags & X509_PURPOSE_DYNAMIC_NAME) {
+ OPENSSL_free(ptmp->name);
+ OPENSSL_free(ptmp->sname);
+ }
+ /* dup supplied name */
+ ptmp->name = BUF_strdup(name);
+ ptmp->sname = BUF_strdup(sname);
+ if (!ptmp->name || !ptmp->sname) {
+ X509V3err(X509V3_F_X509_PURPOSE_ADD, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ /* Keep the dynamic flag of existing entry */
+ ptmp->flags &= X509_PURPOSE_DYNAMIC;
+ /* Set all other flags */
+ ptmp->flags |= flags;
+
+ ptmp->purpose = id;
+ ptmp->trust = trust;
+ ptmp->check_purpose = ck;
+ ptmp->usr_data = arg;
+
+ /* If its a new entry manage the dynamic table */
+ if (idx == -1) {
+ if (!xptable && !(xptable = sk_X509_PURPOSE_new(xp_cmp))) {
+ X509V3err(X509V3_F_X509_PURPOSE_ADD, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!sk_X509_PURPOSE_push(xptable, ptmp)) {
+ X509V3err(X509V3_F_X509_PURPOSE_ADD, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+ return 1;
}
static void xptable_free(X509_PURPOSE *p)
- {
- if(!p) return;
- if (p->flags & X509_PURPOSE_DYNAMIC)
- {
- if (p->flags & X509_PURPOSE_DYNAMIC_NAME) {
- OPENSSL_free(p->name);
- OPENSSL_free(p->sname);
- }
- OPENSSL_free(p);
- }
- }
+{
+ if (!p)
+ return;
+ if (p->flags & X509_PURPOSE_DYNAMIC) {
+ if (p->flags & X509_PURPOSE_DYNAMIC_NAME) {
+ OPENSSL_free(p->name);
+ OPENSSL_free(p->sname);
+ }
+ OPENSSL_free(p);
+ }
+}
void X509_PURPOSE_cleanup(void)
{
- unsigned int i;
- sk_X509_PURPOSE_pop_free(xptable, xptable_free);
- for(i = 0; i < X509_PURPOSE_COUNT; i++) xptable_free(xstandard + i);
- xptable = NULL;
+ unsigned int i;
+ sk_X509_PURPOSE_pop_free(xptable, xptable_free);
+ for (i = 0; i < X509_PURPOSE_COUNT; i++)
+ xptable_free(xstandard + i);
+ xptable = NULL;
}
int X509_PURPOSE_get_id(X509_PURPOSE *xp)
{
- return xp->purpose;
+ return xp->purpose;
}
char *X509_PURPOSE_get0_name(X509_PURPOSE *xp)
{
- return xp->name;
+ return xp->name;
}
char *X509_PURPOSE_get0_sname(X509_PURPOSE *xp)
{
- return xp->sname;
+ return xp->sname;
}
int X509_PURPOSE_get_trust(X509_PURPOSE *xp)
{
- return xp->trust;
+ return xp->trust;
}
static int nid_cmp(const int *a, const int *b)
- {
- return *a - *b;
- }
+{
+ return *a - *b;
+}
DECLARE_OBJ_BSEARCH_CMP_FN(int, int, nid);
IMPLEMENT_OBJ_BSEARCH_CMP_FN(int, int, nid);
int X509_supported_extension(X509_EXTENSION *ex)
- {
- /* This table is a list of the NIDs of supported extensions:
- * that is those which are used by the verify process. If
- * an extension is critical and doesn't appear in this list
- * then the verify process will normally reject the certificate.
- * The list must be kept in numerical order because it will be
- * searched using bsearch.
- */
-
- static const int supported_nids[] = {
- NID_netscape_cert_type, /* 71 */
- NID_key_usage, /* 83 */
- NID_subject_alt_name, /* 85 */
- NID_basic_constraints, /* 87 */
- NID_certificate_policies, /* 89 */
- NID_ext_key_usage, /* 126 */
-#ifndef OPENSSL_NO_RFC3779
- NID_sbgp_ipAddrBlock, /* 290 */
- NID_sbgp_autonomousSysNum, /* 291 */
-#endif
- NID_policy_constraints, /* 401 */
- NID_proxyCertInfo, /* 663 */
- NID_name_constraints, /* 666 */
- NID_policy_mappings, /* 747 */
- NID_inhibit_any_policy /* 748 */
- };
-
- int ex_nid = OBJ_obj2nid(X509_EXTENSION_get_object(ex));
-
- if (ex_nid == NID_undef)
- return 0;
-
- if (OBJ_bsearch_nid(&ex_nid, supported_nids,
- sizeof(supported_nids)/sizeof(int)))
- return 1;
- return 0;
- }
+{
+ /*
+ * This table is a list of the NIDs of supported extensions: that is
+ * those which are used by the verify process. If an extension is
+ * critical and doesn't appear in this list then the verify process will
+ * normally reject the certificate. The list must be kept in numerical
+ * order because it will be searched using bsearch.
+ */
+
+ static const int supported_nids[] = {
+ NID_netscape_cert_type, /* 71 */
+ NID_key_usage, /* 83 */
+ NID_subject_alt_name, /* 85 */
+ NID_basic_constraints, /* 87 */
+ NID_certificate_policies, /* 89 */
+ NID_ext_key_usage, /* 126 */
+ NID_sbgp_ipAddrBlock, /* 290 */
+ NID_sbgp_autonomousSysNum, /* 291 */
+ NID_policy_constraints, /* 401 */
+ NID_proxyCertInfo, /* 663 */
+ NID_name_constraints, /* 666 */
+ NID_policy_mappings, /* 747 */
+ NID_inhibit_any_policy /* 748 */
+ };
+
+ int ex_nid = OBJ_obj2nid(X509_EXTENSION_get_object(ex));
+
+ if (ex_nid == NID_undef)
+ return 0;
+
+ if (OBJ_bsearch_nid(&ex_nid, supported_nids, OSSL_NELEM(supported_nids)))
+ return 1;
+ return 0;
+}
static void setup_dp(X509 *x, DIST_POINT *dp)
- {
- X509_NAME *iname = NULL;
- int i;
- if (dp->reasons)
- {
- if (dp->reasons->length > 0)
- dp->dp_reasons = dp->reasons->data[0];
- if (dp->reasons->length > 1)
- dp->dp_reasons |= (dp->reasons->data[1] << 8);
- dp->dp_reasons &= CRLDP_ALL_REASONS;
- }
- else
- dp->dp_reasons = CRLDP_ALL_REASONS;
- if (!dp->distpoint || (dp->distpoint->type != 1))
- return;
- 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)
- {
- iname = gen->d.directoryName;
- break;
- }
- }
- if (!iname)
- iname = X509_get_issuer_name(x);
-
- DIST_POINT_set_dpname(dp->distpoint, iname);
-
- }
+{
+ X509_NAME *iname = NULL;
+ int i;
+ if (dp->reasons) {
+ if (dp->reasons->length > 0)
+ dp->dp_reasons = dp->reasons->data[0];
+ if (dp->reasons->length > 1)
+ dp->dp_reasons |= (dp->reasons->data[1] << 8);
+ dp->dp_reasons &= CRLDP_ALL_REASONS;
+ } else
+ dp->dp_reasons = CRLDP_ALL_REASONS;
+ if (!dp->distpoint || (dp->distpoint->type != 1))
+ return;
+ 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) {
+ iname = gen->d.directoryName;
+ break;
+ }
+ }
+ if (!iname)
+ iname = X509_get_issuer_name(x);
+
+ DIST_POINT_set_dpname(dp->distpoint, iname);
+
+}
static void setup_crldp(X509 *x)
- {
- int i;
- x->crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
- for (i = 0; i < sk_DIST_POINT_num(x->crldp); i++)
- setup_dp(x, sk_DIST_POINT_value(x->crldp, i));
- }
+{
+ int i;
+ x->crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
+ for (i = 0; i < sk_DIST_POINT_num(x->crldp); i++)
+ setup_dp(x, sk_DIST_POINT_value(x->crldp, i));
+}
static void x509v3_cache_extensions(X509 *x)
{
- BASIC_CONSTRAINTS *bs;
- PROXY_CERT_INFO_EXTENSION *pci;
- ASN1_BIT_STRING *usage;
- ASN1_BIT_STRING *ns;
- EXTENDED_KEY_USAGE *extusage;
- X509_EXTENSION *ex;
-
- int i;
- if(x->ex_flags & EXFLAG_SET) return;
-#ifndef OPENSSL_NO_SHA
- X509_digest(x, EVP_sha1(), x->sha1_hash, NULL);
-#endif
- /* V1 should mean no extensions ... */
- if(!X509_get_version(x)) x->ex_flags |= EXFLAG_V1;
- /* Handle basic constraints */
- if((bs=X509_get_ext_d2i(x, NID_basic_constraints, NULL, NULL))) {
- if(bs->ca) x->ex_flags |= EXFLAG_CA;
- if(bs->pathlen) {
- if((bs->pathlen->type == V_ASN1_NEG_INTEGER)
- || !bs->ca) {
- x->ex_flags |= EXFLAG_INVALID;
- x->ex_pathlen = 0;
- } else x->ex_pathlen = ASN1_INTEGER_get(bs->pathlen);
- } else x->ex_pathlen = -1;
- BASIC_CONSTRAINTS_free(bs);
- x->ex_flags |= EXFLAG_BCONS;
- }
- /* Handle proxy certificates */
- if((pci=X509_get_ext_d2i(x, NID_proxyCertInfo, NULL, NULL))) {
- if (x->ex_flags & EXFLAG_CA
- || X509_get_ext_by_NID(x, NID_subject_alt_name, 0) >= 0
- || X509_get_ext_by_NID(x, NID_issuer_alt_name, 0) >= 0) {
- x->ex_flags |= EXFLAG_INVALID;
- }
- if (pci->pcPathLengthConstraint) {
- x->ex_pcpathlen =
- ASN1_INTEGER_get(pci->pcPathLengthConstraint);
- } else x->ex_pcpathlen = -1;
- PROXY_CERT_INFO_EXTENSION_free(pci);
- x->ex_flags |= EXFLAG_PROXY;
- }
- /* Handle key usage */
- if((usage=X509_get_ext_d2i(x, NID_key_usage, NULL, NULL))) {
- if(usage->length > 0) {
- x->ex_kusage = usage->data[0];
- if(usage->length > 1)
- x->ex_kusage |= usage->data[1] << 8;
- } else x->ex_kusage = 0;
- x->ex_flags |= EXFLAG_KUSAGE;
- ASN1_BIT_STRING_free(usage);
- }
- x->ex_xkusage = 0;
- if((extusage=X509_get_ext_d2i(x, NID_ext_key_usage, NULL, NULL))) {
- x->ex_flags |= EXFLAG_XKUSAGE;
- for(i = 0; i < sk_ASN1_OBJECT_num(extusage); i++) {
- switch(OBJ_obj2nid(sk_ASN1_OBJECT_value(extusage,i))) {
- case NID_server_auth:
- x->ex_xkusage |= XKU_SSL_SERVER;
- break;
-
- case NID_client_auth:
- x->ex_xkusage |= XKU_SSL_CLIENT;
- break;
-
- case NID_email_protect:
- x->ex_xkusage |= XKU_SMIME;
- break;
-
- case NID_code_sign:
- x->ex_xkusage |= XKU_CODE_SIGN;
- break;
-
- case NID_ms_sgc:
- case NID_ns_sgc:
- x->ex_xkusage |= XKU_SGC;
- break;
-
- case NID_OCSP_sign:
- x->ex_xkusage |= XKU_OCSP_SIGN;
- break;
-
- case NID_time_stamp:
- x->ex_xkusage |= XKU_TIMESTAMP;
- break;
-
- case NID_dvcs:
- x->ex_xkusage |= XKU_DVCS;
- break;
-
- case NID_anyExtendedKeyUsage:
- x->ex_xkusage |= XKU_ANYEKU;
- break;
- }
- }
- sk_ASN1_OBJECT_pop_free(extusage, ASN1_OBJECT_free);
- }
-
- if((ns=X509_get_ext_d2i(x, NID_netscape_cert_type, NULL, NULL))) {
- if(ns->length > 0) x->ex_nscert = ns->data[0];
- else x->ex_nscert = 0;
- x->ex_flags |= EXFLAG_NSCERT;
- ASN1_BIT_STRING_free(ns);
- }
- x->skid =X509_get_ext_d2i(x, NID_subject_key_identifier, NULL, NULL);
- x->akid =X509_get_ext_d2i(x, NID_authority_key_identifier, NULL, NULL);
- /* Does subject name match issuer ? */
- if(!X509_NAME_cmp(X509_get_subject_name(x), X509_get_issuer_name(x)))
- {
- x->ex_flags |= EXFLAG_SI;
- /* If SKID matches AKID also indicate self signed */
- if (X509_check_akid(x, x->akid) == X509_V_OK)
- x->ex_flags |= EXFLAG_SS;
- }
- x->altname = X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL);
- x->nc = X509_get_ext_d2i(x, NID_name_constraints, &i, NULL);
- if (!x->nc && (i != -1))
- x->ex_flags |= EXFLAG_INVALID;
- setup_crldp(x);
-
-#ifndef OPENSSL_NO_RFC3779
- x->rfc3779_addr =X509_get_ext_d2i(x, NID_sbgp_ipAddrBlock, NULL, NULL);
- x->rfc3779_asid =X509_get_ext_d2i(x, NID_sbgp_autonomousSysNum,
- NULL, NULL);
-#endif
- for (i = 0; i < X509_get_ext_count(x); i++)
- {
- ex = X509_get_ext(x, i);
- if (!X509_EXTENSION_get_critical(ex))
- continue;
- if (OBJ_obj2nid(X509_EXTENSION_get_object(ex))
- == NID_freshest_crl)
- x->ex_flags |= EXFLAG_FRESHEST;
- if (!X509_supported_extension(ex))
- {
- x->ex_flags |= EXFLAG_CRITICAL;
- break;
- }
- }
- x->ex_flags |= EXFLAG_SET;
-}
-
-/* CA checks common to all purposes
+ BASIC_CONSTRAINTS *bs;
+ PROXY_CERT_INFO_EXTENSION *pci;
+ ASN1_BIT_STRING *usage;
+ ASN1_BIT_STRING *ns;
+ EXTENDED_KEY_USAGE *extusage;
+ X509_EXTENSION *ex;
+
+ int i;
+ if (x->ex_flags & EXFLAG_SET)
+ return;
+ X509_digest(x, EVP_sha1(), x->sha1_hash, NULL);
+ /* V1 should mean no extensions ... */
+ if (!X509_get_version(x))
+ x->ex_flags |= EXFLAG_V1;
+ /* Handle basic constraints */
+ if ((bs = X509_get_ext_d2i(x, NID_basic_constraints, NULL, NULL))) {
+ if (bs->ca)
+ x->ex_flags |= EXFLAG_CA;
+ if (bs->pathlen) {
+ if ((bs->pathlen->type == V_ASN1_NEG_INTEGER)
+ || !bs->ca) {
+ x->ex_flags |= EXFLAG_INVALID;
+ x->ex_pathlen = 0;
+ } else
+ x->ex_pathlen = ASN1_INTEGER_get(bs->pathlen);
+ } else
+ x->ex_pathlen = -1;
+ BASIC_CONSTRAINTS_free(bs);
+ x->ex_flags |= EXFLAG_BCONS;
+ }
+ /* Handle proxy certificates */
+ if ((pci = X509_get_ext_d2i(x, NID_proxyCertInfo, NULL, NULL))) {
+ if (x->ex_flags & EXFLAG_CA
+ || X509_get_ext_by_NID(x, NID_subject_alt_name, -1) >= 0
+ || X509_get_ext_by_NID(x, NID_issuer_alt_name, -1) >= 0) {
+ x->ex_flags |= EXFLAG_INVALID;
+ }
+ if (pci->pcPathLengthConstraint) {
+ x->ex_pcpathlen = ASN1_INTEGER_get(pci->pcPathLengthConstraint);
+ } else
+ x->ex_pcpathlen = -1;
+ PROXY_CERT_INFO_EXTENSION_free(pci);
+ x->ex_flags |= EXFLAG_PROXY;
+ }
+ /* Handle key usage */
+ if ((usage = X509_get_ext_d2i(x, NID_key_usage, NULL, NULL))) {
+ if (usage->length > 0) {
+ x->ex_kusage = usage->data[0];
+ if (usage->length > 1)
+ x->ex_kusage |= usage->data[1] << 8;
+ } else
+ x->ex_kusage = 0;
+ x->ex_flags |= EXFLAG_KUSAGE;
+ ASN1_BIT_STRING_free(usage);
+ }
+ x->ex_xkusage = 0;
+ if ((extusage = X509_get_ext_d2i(x, NID_ext_key_usage, NULL, NULL))) {
+ x->ex_flags |= EXFLAG_XKUSAGE;
+ for (i = 0; i < sk_ASN1_OBJECT_num(extusage); i++) {
+ switch (OBJ_obj2nid(sk_ASN1_OBJECT_value(extusage, i))) {
+ case NID_server_auth:
+ x->ex_xkusage |= XKU_SSL_SERVER;
+ break;
+
+ case NID_client_auth:
+ x->ex_xkusage |= XKU_SSL_CLIENT;
+ break;
+
+ case NID_email_protect:
+ x->ex_xkusage |= XKU_SMIME;
+ break;
+
+ case NID_code_sign:
+ x->ex_xkusage |= XKU_CODE_SIGN;
+ break;
+
+ case NID_ms_sgc:
+ case NID_ns_sgc:
+ x->ex_xkusage |= XKU_SGC;
+ break;
+
+ case NID_OCSP_sign:
+ x->ex_xkusage |= XKU_OCSP_SIGN;
+ break;
+
+ case NID_time_stamp:
+ x->ex_xkusage |= XKU_TIMESTAMP;
+ break;
+
+ case NID_dvcs:
+ x->ex_xkusage |= XKU_DVCS;
+ break;
+
+ case NID_anyExtendedKeyUsage:
+ x->ex_xkusage |= XKU_ANYEKU;
+ break;
+ }
+ }
+ sk_ASN1_OBJECT_pop_free(extusage, ASN1_OBJECT_free);
+ }
+
+ if ((ns = X509_get_ext_d2i(x, NID_netscape_cert_type, NULL, NULL))) {
+ if (ns->length > 0)
+ x->ex_nscert = ns->data[0];
+ else
+ x->ex_nscert = 0;
+ x->ex_flags |= EXFLAG_NSCERT;
+ ASN1_BIT_STRING_free(ns);
+ }
+ x->skid = X509_get_ext_d2i(x, NID_subject_key_identifier, NULL, NULL);
+ x->akid = X509_get_ext_d2i(x, NID_authority_key_identifier, NULL, NULL);
+ /* Does subject name match issuer ? */
+ if (!X509_NAME_cmp(X509_get_subject_name(x), X509_get_issuer_name(x))) {
+ x->ex_flags |= EXFLAG_SI;
+ /* If SKID matches AKID also indicate self signed */
+ if (X509_check_akid(x, x->akid) == X509_V_OK)
+ x->ex_flags |= EXFLAG_SS;
+ }
+ x->altname = X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL);
+ x->nc = X509_get_ext_d2i(x, NID_name_constraints, &i, NULL);
+ if (!x->nc && (i != -1))
+ x->ex_flags |= EXFLAG_INVALID;
+ setup_crldp(x);
+
+ x->rfc3779_addr = X509_get_ext_d2i(x, NID_sbgp_ipAddrBlock, NULL, NULL);
+ x->rfc3779_asid = X509_get_ext_d2i(x, NID_sbgp_autonomousSysNum,
+ NULL, NULL);
+ for (i = 0; i < X509_get_ext_count(x); i++) {
+ ex = X509_get_ext(x, i);
+ if (OBJ_obj2nid(X509_EXTENSION_get_object(ex))
+ == NID_freshest_crl)
+ x->ex_flags |= EXFLAG_FRESHEST;
+ if (!X509_EXTENSION_get_critical(ex))
+ continue;
+ if (!X509_supported_extension(ex)) {
+ x->ex_flags |= EXFLAG_CRITICAL;
+ break;
+ }
+ }
+ x->ex_flags |= EXFLAG_SET;
+}
+
+/*-
+ * CA checks common to all purposes
* return codes:
* 0 not a CA
* 1 is a CA
#define V1_ROOT (EXFLAG_V1|EXFLAG_SS)
#define ku_reject(x, usage) \
- (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
+ (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
#define xku_reject(x, usage) \
- (((x)->ex_flags & EXFLAG_XKUSAGE) && !((x)->ex_xkusage & (usage)))
+ (((x)->ex_flags & EXFLAG_XKUSAGE) && !((x)->ex_xkusage & (usage)))
#define ns_reject(x, usage) \
- (((x)->ex_flags & EXFLAG_NSCERT) && !((x)->ex_nscert & (usage)))
+ (((x)->ex_flags & EXFLAG_NSCERT) && !((x)->ex_nscert & (usage)))
static int check_ca(const X509 *x)
{
- /* keyUsage if present should allow cert signing */
- if(ku_reject(x, KU_KEY_CERT_SIGN)) return 0;
- if(x->ex_flags & EXFLAG_BCONS) {
- if(x->ex_flags & EXFLAG_CA) return 1;
- /* If basicConstraints says not a CA then say so */
- else return 0;
- } else {
- /* we support V1 roots for... uh, I don't really know why. */
- if((x->ex_flags & V1_ROOT) == V1_ROOT) return 3;
- /* If key usage present it must have certSign so tolerate it */
- else if (x->ex_flags & EXFLAG_KUSAGE) return 4;
- /* Older certificates could have Netscape-specific CA types */
- else if (x->ex_flags & EXFLAG_NSCERT
- && x->ex_nscert & NS_ANY_CA) return 5;
- /* can this still be regarded a CA certificate? I doubt it */
- return 0;
- }
+ /* keyUsage if present should allow cert signing */
+ if (ku_reject(x, KU_KEY_CERT_SIGN))
+ return 0;
+ if (x->ex_flags & EXFLAG_BCONS) {
+ if (x->ex_flags & EXFLAG_CA)
+ return 1;
+ /* If basicConstraints says not a CA then say so */
+ else
+ return 0;
+ } else {
+ /* we support V1 roots for... uh, I don't really know why. */
+ if ((x->ex_flags & V1_ROOT) == V1_ROOT)
+ return 3;
+ /*
+ * If key usage present it must have certSign so tolerate it
+ */
+ else if (x->ex_flags & EXFLAG_KUSAGE)
+ return 4;
+ /* Older certificates could have Netscape-specific CA types */
+ else if (x->ex_flags & EXFLAG_NSCERT && x->ex_nscert & NS_ANY_CA)
+ return 5;
+ /* can this still be regarded a CA certificate? I doubt it */
+ return 0;
+ }
}
int X509_check_ca(X509 *x)
{
- if(!(x->ex_flags & EXFLAG_SET)) {
- CRYPTO_w_lock(CRYPTO_LOCK_X509);
- x509v3_cache_extensions(x);
- CRYPTO_w_unlock(CRYPTO_LOCK_X509);
- }
+ if (!(x->ex_flags & EXFLAG_SET)) {
+ CRYPTO_w_lock(CRYPTO_LOCK_X509);
+ x509v3_cache_extensions(x);
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509);
+ }
- return check_ca(x);
+ return check_ca(x);
}
/* Check SSL CA: common checks for SSL client and server */
static int check_ssl_ca(const X509 *x)
{
- int ca_ret;
- ca_ret = check_ca(x);
- if(!ca_ret) return 0;
- /* check nsCertType if present */
- if(ca_ret != 5 || x->ex_nscert & NS_SSL_CA) return ca_ret;
- else return 0;
+ int ca_ret;
+ ca_ret = check_ca(x);
+ if (!ca_ret)
+ return 0;
+ /* check nsCertType if present */
+ if (ca_ret != 5 || x->ex_nscert & NS_SSL_CA)
+ return ca_ret;
+ else
+ return 0;
}
-
-static int check_purpose_ssl_client(const X509_PURPOSE *xp, const X509 *x, int ca)
+static int check_purpose_ssl_client(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- if(xku_reject(x,XKU_SSL_CLIENT)) return 0;
- if(ca) return check_ssl_ca(x);
- /* We need to do digital signatures with it */
- if(ku_reject(x,KU_DIGITAL_SIGNATURE)) return 0;
- /* nsCertType if present should allow SSL client use */
- if(ns_reject(x, NS_SSL_CLIENT)) return 0;
- return 1;
+ if (xku_reject(x, XKU_SSL_CLIENT))
+ return 0;
+ if (ca)
+ return check_ssl_ca(x);
+ /* We need to do digital signatures or key agreement */
+ if (ku_reject(x, KU_DIGITAL_SIGNATURE | KU_KEY_AGREEMENT))
+ return 0;
+ /* nsCertType if present should allow SSL client use */
+ if (ns_reject(x, NS_SSL_CLIENT))
+ return 0;
+ return 1;
}
-static int check_purpose_ssl_server(const X509_PURPOSE *xp, const X509 *x, int ca)
+/*
+ * Key usage needed for TLS/SSL server: digital signature, encipherment or
+ * key agreement. The ssl code can check this more thoroughly for individual
+ * key types.
+ */
+#define KU_TLS \
+ KU_DIGITAL_SIGNATURE|KU_KEY_ENCIPHERMENT|KU_KEY_AGREEMENT
+
+static int check_purpose_ssl_server(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- if(xku_reject(x,XKU_SSL_SERVER|XKU_SGC)) return 0;
- if(ca) return check_ssl_ca(x);
+ if (xku_reject(x, XKU_SSL_SERVER | XKU_SGC))
+ return 0;
+ if (ca)
+ return check_ssl_ca(x);
+
+ if (ns_reject(x, NS_SSL_SERVER))
+ return 0;
+ if (ku_reject(x, KU_TLS))
+ return 0;
- if(ns_reject(x, NS_SSL_SERVER)) return 0;
- /* Now as for keyUsage: we'll at least need to sign OR encipher */
- if(ku_reject(x, KU_DIGITAL_SIGNATURE|KU_KEY_ENCIPHERMENT)) return 0;
-
- return 1;
+ return 1;
}
-static int check_purpose_ns_ssl_server(const X509_PURPOSE *xp, const X509 *x, int ca)
+static int check_purpose_ns_ssl_server(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- int ret;
- ret = check_purpose_ssl_server(xp, x, ca);
- if(!ret || ca) return ret;
- /* We need to encipher or Netscape complains */
- if(ku_reject(x, KU_KEY_ENCIPHERMENT)) return 0;
- return ret;
+ int ret;
+ ret = check_purpose_ssl_server(xp, x, ca);
+ if (!ret || ca)
+ return ret;
+ /* We need to encipher or Netscape complains */
+ if (ku_reject(x, KU_KEY_ENCIPHERMENT))
+ return 0;
+ return ret;
}
/* common S/MIME checks */
static int purpose_smime(const X509 *x, int ca)
{
- if(xku_reject(x,XKU_SMIME)) return 0;
- if(ca) {
- int ca_ret;
- ca_ret = check_ca(x);
- if(!ca_ret) return 0;
- /* check nsCertType if present */
- if(ca_ret != 5 || x->ex_nscert & NS_SMIME_CA) return ca_ret;
- else return 0;
- }
- if(x->ex_flags & EXFLAG_NSCERT) {
- if(x->ex_nscert & NS_SMIME) return 1;
- /* Workaround for some buggy certificates */
- if(x->ex_nscert & NS_SSL_CLIENT) return 2;
- return 0;
- }
- return 1;
+ if (xku_reject(x, XKU_SMIME))
+ return 0;
+ if (ca) {
+ int ca_ret;
+ ca_ret = check_ca(x);
+ if (!ca_ret)
+ return 0;
+ /* check nsCertType if present */
+ if (ca_ret != 5 || x->ex_nscert & NS_SMIME_CA)
+ return ca_ret;
+ else
+ return 0;
+ }
+ if (x->ex_flags & EXFLAG_NSCERT) {
+ if (x->ex_nscert & NS_SMIME)
+ return 1;
+ /* Workaround for some buggy certificates */
+ if (x->ex_nscert & NS_SSL_CLIENT)
+ return 2;
+ return 0;
+ }
+ return 1;
}
-static int check_purpose_smime_sign(const X509_PURPOSE *xp, const X509 *x, int ca)
+static int check_purpose_smime_sign(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- int ret;
- ret = purpose_smime(x, ca);
- if(!ret || ca) return ret;
- if(ku_reject(x, KU_DIGITAL_SIGNATURE|KU_NON_REPUDIATION)) return 0;
- return ret;
+ int ret;
+ ret = purpose_smime(x, ca);
+ if (!ret || ca)
+ return ret;
+ if (ku_reject(x, KU_DIGITAL_SIGNATURE | KU_NON_REPUDIATION))
+ return 0;
+ return ret;
}
-static int check_purpose_smime_encrypt(const X509_PURPOSE *xp, const X509 *x, int ca)
+static int check_purpose_smime_encrypt(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- int ret;
- ret = purpose_smime(x, ca);
- if(!ret || ca) return ret;
- if(ku_reject(x, KU_KEY_ENCIPHERMENT)) return 0;
- return ret;
+ int ret;
+ ret = purpose_smime(x, ca);
+ if (!ret || ca)
+ return ret;
+ if (ku_reject(x, KU_KEY_ENCIPHERMENT))
+ return 0;
+ return ret;
}
-static int check_purpose_crl_sign(const X509_PURPOSE *xp, const X509 *x, int ca)
+static int check_purpose_crl_sign(const X509_PURPOSE *xp, const X509 *x,
+ int ca)
{
- if(ca) {
- int ca_ret;
- if((ca_ret = check_ca(x)) != 2) return ca_ret;
- else return 0;
- }
- if(ku_reject(x, KU_CRL_SIGN)) return 0;
- return 1;
+ if (ca) {
+ int ca_ret;
+ if ((ca_ret = check_ca(x)) != 2)
+ return ca_ret;
+ else
+ return 0;
+ }
+ if (ku_reject(x, KU_CRL_SIGN))
+ return 0;
+ return 1;
}
-/* OCSP helper: this is *not* a full OCSP check. It just checks that
- * each CA is valid. Additional checks must be made on the chain.
+/*
+ * OCSP helper: this is *not* a full OCSP check. It just checks that each CA
+ * is valid. Additional checks must be made on the chain.
*/
static int ocsp_helper(const X509_PURPOSE *xp, const X509 *x, int ca)
{
- /* Must be a valid CA. Should we really support the "I don't know"
- value (2)? */
- if(ca) return check_ca(x);
- /* leaf certificate is checked in OCSP_verify() */
- return 1;
+ /*
+ * Must be a valid CA. Should we really support the "I don't know" value
+ * (2)?
+ */
+ if (ca)
+ return check_ca(x);
+ /* leaf certificate is checked in OCSP_verify() */
+ return 1;
}
static int check_purpose_timestamp_sign(const X509_PURPOSE *xp, const X509 *x,
- int ca)
+ int ca)
{
- int i_ext;
-
- /* If ca is true we must return if this is a valid CA certificate. */
- if (ca) return check_ca(x);
-
- /*
- * Check the optional key usage field:
- * if Key Usage is present, it must be one of digitalSignature
- * and/or nonRepudiation (other values are not consistent and shall
- * be rejected).
- */
- if ((x->ex_flags & EXFLAG_KUSAGE)
- && ((x->ex_kusage & ~(KU_NON_REPUDIATION | KU_DIGITAL_SIGNATURE)) ||
- !(x->ex_kusage & (KU_NON_REPUDIATION | KU_DIGITAL_SIGNATURE))))
- return 0;
-
- /* Only time stamp key usage is permitted and it's required. */
- if (!(x->ex_flags & EXFLAG_XKUSAGE) || x->ex_xkusage != XKU_TIMESTAMP)
- return 0;
-
- /* Extended Key Usage MUST be critical */
- i_ext = X509_get_ext_by_NID((X509 *) x, NID_ext_key_usage, 0);
- if (i_ext >= 0)
- {
- X509_EXTENSION *ext = X509_get_ext((X509 *) x, i_ext);
- if (!X509_EXTENSION_get_critical(ext))
- return 0;
- }
-
- return 1;
+ int i_ext;
+
+ /* If ca is true we must return if this is a valid CA certificate. */
+ if (ca)
+ return check_ca(x);
+
+ /*
+ * Check the optional key usage field:
+ * if Key Usage is present, it must be one of digitalSignature
+ * and/or nonRepudiation (other values are not consistent and shall
+ * be rejected).
+ */
+ if ((x->ex_flags & EXFLAG_KUSAGE)
+ && ((x->ex_kusage & ~(KU_NON_REPUDIATION | KU_DIGITAL_SIGNATURE)) ||
+ !(x->ex_kusage & (KU_NON_REPUDIATION | KU_DIGITAL_SIGNATURE))))
+ return 0;
+
+ /* Only time stamp key usage is permitted and it's required. */
+ if (!(x->ex_flags & EXFLAG_XKUSAGE) || x->ex_xkusage != XKU_TIMESTAMP)
+ return 0;
+
+ /* Extended Key Usage MUST be critical */
+ i_ext = X509_get_ext_by_NID((X509 *)x, NID_ext_key_usage, -1);
+ if (i_ext >= 0) {
+ X509_EXTENSION *ext = X509_get_ext((X509 *)x, i_ext);
+ if (!X509_EXTENSION_get_critical(ext))
+ return 0;
+ }
+
+ return 1;
}
static int no_check(const X509_PURPOSE *xp, const X509 *x, int ca)
{
- return 1;
+ return 1;
}
-/* Various checks to see if one certificate issued the second.
+/*-
+ * Various checks to see if one certificate issued the second.
* This can be used to prune a set of possible issuer certificates
* which have been looked up using some simple method such as by
* subject name.
int X509_check_issued(X509 *issuer, X509 *subject)
{
- if(X509_NAME_cmp(X509_get_subject_name(issuer),
- X509_get_issuer_name(subject)))
- return X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
- x509v3_cache_extensions(issuer);
- x509v3_cache_extensions(subject);
-
- if(subject->akid)
- {
- int ret = X509_check_akid(issuer, subject->akid);
- if (ret != X509_V_OK)
- return ret;
- }
-
- if(subject->ex_flags & EXFLAG_PROXY)
- {
- if(ku_reject(issuer, KU_DIGITAL_SIGNATURE))
- return X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE;
- }
- else if(ku_reject(issuer, KU_KEY_CERT_SIGN))
- return X509_V_ERR_KEYUSAGE_NO_CERTSIGN;
- return X509_V_OK;
+ if (X509_NAME_cmp(X509_get_subject_name(issuer),
+ X509_get_issuer_name(subject)))
+ return X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
+ x509v3_cache_extensions(issuer);
+ x509v3_cache_extensions(subject);
+
+ if (subject->akid) {
+ int ret = X509_check_akid(issuer, subject->akid);
+ if (ret != X509_V_OK)
+ return ret;
+ }
+
+ if (subject->ex_flags & EXFLAG_PROXY) {
+ if (ku_reject(issuer, KU_DIGITAL_SIGNATURE))
+ return X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE;
+ } else if (ku_reject(issuer, KU_KEY_CERT_SIGN))
+ return X509_V_ERR_KEYUSAGE_NO_CERTSIGN;
+ return X509_V_OK;
}
int X509_check_akid(X509 *issuer, AUTHORITY_KEYID *akid)
- {
-
- if(!akid)
- return X509_V_OK;
-
- /* Check key ids (if present) */
- if(akid->keyid && issuer->skid &&
- ASN1_OCTET_STRING_cmp(akid->keyid, issuer->skid) )
- return X509_V_ERR_AKID_SKID_MISMATCH;
- /* Check serial number */
- if(akid->serial &&
- ASN1_INTEGER_cmp(X509_get_serialNumber(issuer), akid->serial))
- return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
- /* Check issuer name */
- if(akid->issuer)
- {
- /* Ugh, for some peculiar reason AKID includes
- * SEQUENCE OF GeneralName. So look for a DirName.
- * There may be more than one but we only take any
- * notice of the first.
- */
- GENERAL_NAMES *gens;
- GENERAL_NAME *gen;
- X509_NAME *nm = NULL;
- int i;
- gens = akid->issuer;
- for(i = 0; i < sk_GENERAL_NAME_num(gens); i++)
- {
- gen = sk_GENERAL_NAME_value(gens, i);
- if(gen->type == GEN_DIRNAME)
- {
- nm = gen->d.dirn;
- break;
- }
- }
- if(nm && X509_NAME_cmp(nm, X509_get_issuer_name(issuer)))
- return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
- }
- return X509_V_OK;
- }
+{
+ if (!akid)
+ return X509_V_OK;
+
+ /* Check key ids (if present) */
+ if (akid->keyid && issuer->skid &&
+ ASN1_OCTET_STRING_cmp(akid->keyid, issuer->skid))
+ return X509_V_ERR_AKID_SKID_MISMATCH;
+ /* Check serial number */
+ if (akid->serial &&
+ ASN1_INTEGER_cmp(X509_get_serialNumber(issuer), akid->serial))
+ return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
+ /* Check issuer name */
+ if (akid->issuer) {
+ /*
+ * Ugh, for some peculiar reason AKID includes SEQUENCE OF
+ * GeneralName. So look for a DirName. There may be more than one but
+ * we only take any notice of the first.
+ */
+ GENERAL_NAMES *gens;
+ GENERAL_NAME *gen;
+ X509_NAME *nm = NULL;
+ int i;
+ gens = akid->issuer;
+ for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
+ gen = sk_GENERAL_NAME_value(gens, i);
+ if (gen->type == GEN_DIRNAME) {
+ nm = gen->d.dirn;
+ break;
+ }
+ }
+ if (nm && X509_NAME_cmp(nm, X509_get_issuer_name(issuer)))
+ return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;
+ }
+ return X509_V_OK;
+}
projects / openssl.git / blobdiff