--- /dev/null
+/*
+ * Copyright 1999-2018 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 "internal/cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509v3.h>
+
+#include "pcy_int.h"
+#include "ext_dat.h"
+
+/* Certificate policies extension support: this one is a bit complex... */
+
+static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
+ BIO *out, int indent);
+static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
+ X509V3_CTX *ctx, const char *value);
+static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
+ int indent);
+static void print_notice(BIO *out, USERNOTICE *notice, int indent);
+static POLICYINFO *policy_section(X509V3_CTX *ctx,
+ STACK_OF(CONF_VALUE) *polstrs, int ia5org);
+static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
+ STACK_OF(CONF_VALUE) *unot, int ia5org);
+static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos);
+static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len);
+static int displaytext_get_tag_len(const char *tagstr);
+
+const X509V3_EXT_METHOD v3_cpols = {
+ NID_certificate_policies, 0, ASN1_ITEM_ref(CERTIFICATEPOLICIES),
+ 0, 0, 0, 0,
+ 0, 0,
+ 0, 0,
+ (X509V3_EXT_I2R)i2r_certpol,
+ (X509V3_EXT_R2I)r2i_certpol,
+ NULL
+};
+
+ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) =
+ ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO)
+ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES)
+
+IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
+
+ASN1_SEQUENCE(POLICYINFO) = {
+ ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT),
+ ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO)
+} ASN1_SEQUENCE_END(POLICYINFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO)
+
+ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY);
+
+ASN1_ADB(POLICYQUALINFO) = {
+ ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)),
+ ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE))
+} ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL);
+
+ASN1_SEQUENCE(POLICYQUALINFO) = {
+ ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT),
+ ASN1_ADB_OBJECT(POLICYQUALINFO)
+} ASN1_SEQUENCE_END(POLICYQUALINFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO)
+
+ASN1_SEQUENCE(USERNOTICE) = {
+ ASN1_OPT(USERNOTICE, noticeref, NOTICEREF),
+ ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT)
+} ASN1_SEQUENCE_END(USERNOTICE)
+
+IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE)
+
+ASN1_SEQUENCE(NOTICEREF) = {
+ ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT),
+ ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(NOTICEREF)
+
+IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF)
+
+static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
+ X509V3_CTX *ctx, const char *value)
+{
+ STACK_OF(POLICYINFO) *pols;
+ char *pstr;
+ POLICYINFO *pol;
+ ASN1_OBJECT *pobj;
+ STACK_OF(CONF_VALUE) *vals = X509V3_parse_list(value);
+ CONF_VALUE *cnf;
+ const int num = sk_CONF_VALUE_num(vals);
+ int i, ia5org;
+
+ if (vals == NULL) {
+ X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_X509V3_LIB);
+ return NULL;
+ }
+
+ pols = sk_POLICYINFO_new_reserve(NULL, num);
+ if (pols == NULL) {
+ X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ ia5org = 0;
+ for (i = 0; i < num; i++) {
+ cnf = sk_CONF_VALUE_value(vals, i);
+
+ if (cnf->value || !cnf->name) {
+ X509V3err(X509V3_F_R2I_CERTPOL,
+ X509V3_R_INVALID_POLICY_IDENTIFIER);
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ pstr = cnf->name;
+ if (strcmp(pstr, "ia5org") == 0) {
+ ia5org = 1;
+ continue;
+ } else if (*pstr == '@') {
+ STACK_OF(CONF_VALUE) *polsect;
+ polsect = X509V3_get_section(ctx, pstr + 1);
+ if (!polsect) {
+ X509V3err(X509V3_F_R2I_CERTPOL, X509V3_R_INVALID_SECTION);
+
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ pol = policy_section(ctx, polsect, ia5org);
+ X509V3_section_free(ctx, polsect);
+ if (pol == NULL)
+ goto err;
+ } else {
+ if ((pobj = OBJ_txt2obj(cnf->name, 0)) == NULL) {
+ X509V3err(X509V3_F_R2I_CERTPOL,
+ X509V3_R_INVALID_OBJECT_IDENTIFIER);
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ pol = POLICYINFO_new();
+ if (pol == NULL) {
+ ASN1_OBJECT_free(pobj);
+ X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ pol->policyid = pobj;
+ }
+ if (!sk_POLICYINFO_push(pols, pol)) {
+ POLICYINFO_free(pol);
+ X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
+ sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
+ return pols;
+ err:
+ sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
+ sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
+ return NULL;
+}
+
+static POLICYINFO *policy_section(X509V3_CTX *ctx,
+ STACK_OF(CONF_VALUE) *polstrs, int ia5org)
+{
+ int i;
+ CONF_VALUE *cnf;
+ POLICYINFO *pol;
+ POLICYQUALINFO *qual;
+
+ if ((pol = POLICYINFO_new()) == NULL)
+ goto merr;
+ for (i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
+ cnf = sk_CONF_VALUE_value(polstrs, i);
+ if (strcmp(cnf->name, "policyIdentifier") == 0) {
+ ASN1_OBJECT *pobj;
+ if ((pobj = OBJ_txt2obj(cnf->value, 0)) == NULL) {
+ X509V3err(X509V3_F_POLICY_SECTION,
+ X509V3_R_INVALID_OBJECT_IDENTIFIER);
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ pol->policyid = pobj;
+
+ } else if (!name_cmp(cnf->name, "CPS")) {
+ if (pol->qualifiers == NULL)
+ pol->qualifiers = sk_POLICYQUALINFO_new_null();
+ if ((qual = POLICYQUALINFO_new()) == NULL)
+ goto merr;
+ if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
+ goto merr;
+ if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_cps)) == NULL) {
+ X509V3err(X509V3_F_POLICY_SECTION, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ if ((qual->d.cpsuri = ASN1_IA5STRING_new()) == NULL)
+ goto merr;
+ if (!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
+ strlen(cnf->value)))
+ goto merr;
+ } else if (!name_cmp(cnf->name, "userNotice")) {
+ STACK_OF(CONF_VALUE) *unot;
+ if (*cnf->value != '@') {
+ X509V3err(X509V3_F_POLICY_SECTION,
+ X509V3_R_EXPECTED_A_SECTION_NAME);
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ unot = X509V3_get_section(ctx, cnf->value + 1);
+ if (!unot) {
+ X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_INVALID_SECTION);
+
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ qual = notice_section(ctx, unot, ia5org);
+ X509V3_section_free(ctx, unot);
+ if (!qual)
+ goto err;
+ if (!pol->qualifiers)
+ pol->qualifiers = sk_POLICYQUALINFO_new_null();
+ if (!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
+ goto merr;
+ } else {
+ X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_INVALID_OPTION);
+
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ }
+ if (!pol->policyid) {
+ X509V3err(X509V3_F_POLICY_SECTION, X509V3_R_NO_POLICY_IDENTIFIER);
+ goto err;
+ }
+
+ return pol;
+
+ merr:
+ X509V3err(X509V3_F_POLICY_SECTION, ERR_R_MALLOC_FAILURE);
+
+ err:
+ POLICYINFO_free(pol);
+ return NULL;
+}
+
+static int displaytext_get_tag_len(const char *tagstr)
+{
+ char *colon = strchr(tagstr, ':');
+
+ return (colon == NULL) ? -1 : colon - tagstr;
+}
+
+static int displaytext_str2tag(const char *tagstr, unsigned int *tag_len)
+{
+ int len;
+
+ *tag_len = 0;
+ len = displaytext_get_tag_len(tagstr);
+
+ if (len == -1)
+ return V_ASN1_VISIBLESTRING;
+ *tag_len = len;
+ if (len == sizeof("UTF8") - 1 && strncmp(tagstr, "UTF8", len) == 0)
+ return V_ASN1_UTF8STRING;
+ if (len == sizeof("UTF8String") - 1 && strncmp(tagstr, "UTF8String", len) == 0)
+ return V_ASN1_UTF8STRING;
+ if (len == sizeof("BMP") - 1 && strncmp(tagstr, "BMP", len) == 0)
+ return V_ASN1_BMPSTRING;
+ if (len == sizeof("BMPSTRING") - 1 && strncmp(tagstr, "BMPSTRING", len) == 0)
+ return V_ASN1_BMPSTRING;
+ if (len == sizeof("VISIBLE") - 1 && strncmp(tagstr, "VISIBLE", len) == 0)
+ return V_ASN1_VISIBLESTRING;
+ if (len == sizeof("VISIBLESTRING") - 1 && strncmp(tagstr, "VISIBLESTRING", len) == 0)
+ return V_ASN1_VISIBLESTRING;
+ *tag_len = 0;
+ return V_ASN1_VISIBLESTRING;
+}
+
+static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
+ STACK_OF(CONF_VALUE) *unot, int ia5org)
+{
+ int i, ret, len, tag;
+ unsigned int tag_len;
+ CONF_VALUE *cnf;
+ USERNOTICE *not;
+ POLICYQUALINFO *qual;
+ char *value = NULL;
+
+ if ((qual = POLICYQUALINFO_new()) == NULL)
+ goto merr;
+ if ((qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice)) == NULL) {
+ X509V3err(X509V3_F_NOTICE_SECTION, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ if ((not = USERNOTICE_new()) == NULL)
+ goto merr;
+ qual->d.usernotice = not;
+ for (i = 0; i < sk_CONF_VALUE_num(unot); i++) {
+ cnf = sk_CONF_VALUE_value(unot, i);
+ value = cnf->value;
+ if (strcmp(cnf->name, "explicitText") == 0) {
+ tag = displaytext_str2tag(value, &tag_len);
+ if ((not->exptext = ASN1_STRING_type_new(tag)) == NULL)
+ goto merr;
+ if (tag_len != 0)
+ value += tag_len + 1;
+ len = strlen(value);
+ if (!ASN1_STRING_set(not->exptext, value, len))
+ goto merr;
+ } else if (strcmp(cnf->name, "organization") == 0) {
+ NOTICEREF *nref;
+ if (!not->noticeref) {
+ if ((nref = NOTICEREF_new()) == NULL)
+ goto merr;
+ not->noticeref = nref;
+ } else
+ nref = not->noticeref;
+ if (ia5org)
+ nref->organization->type = V_ASN1_IA5STRING;
+ else
+ nref->organization->type = V_ASN1_VISIBLESTRING;
+ if (!ASN1_STRING_set(nref->organization, cnf->value,
+ strlen(cnf->value)))
+ goto merr;
+ } else if (strcmp(cnf->name, "noticeNumbers") == 0) {
+ NOTICEREF *nref;
+ STACK_OF(CONF_VALUE) *nos;
+ if (!not->noticeref) {
+ if ((nref = NOTICEREF_new()) == NULL)
+ goto merr;
+ not->noticeref = nref;
+ } else
+ nref = not->noticeref;
+ nos = X509V3_parse_list(cnf->value);
+ if (!nos || !sk_CONF_VALUE_num(nos)) {
+ X509V3err(X509V3_F_NOTICE_SECTION, X509V3_R_INVALID_NUMBERS);
+ X509V3_conf_err(cnf);
+ sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
+ goto err;
+ }
+ ret = nref_nos(nref->noticenos, nos);
+ sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
+ if (!ret)
+ goto err;
+ } else {
+ X509V3err(X509V3_F_NOTICE_SECTION, X509V3_R_INVALID_OPTION);
+ X509V3_conf_err(cnf);
+ goto err;
+ }
+ }
+
+ if (not->noticeref &&
+ (!not->noticeref->noticenos || !not->noticeref->organization)) {
+ X509V3err(X509V3_F_NOTICE_SECTION,
+ X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
+ goto err;
+ }
+
+ return qual;
+
+ merr:
+ X509V3err(X509V3_F_NOTICE_SECTION, ERR_R_MALLOC_FAILURE);
+
+ err:
+ POLICYQUALINFO_free(qual);
+ return NULL;
+}
+
+static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
+{
+ CONF_VALUE *cnf;
+ ASN1_INTEGER *aint;
+
+ int i;
+
+ for (i = 0; i < sk_CONF_VALUE_num(nos); i++) {
+ cnf = sk_CONF_VALUE_value(nos, i);
+ if ((aint = s2i_ASN1_INTEGER(NULL, cnf->name)) == NULL) {
+ X509V3err(X509V3_F_NREF_NOS, X509V3_R_INVALID_NUMBER);
+ goto err;
+ }
+ if (!sk_ASN1_INTEGER_push(nnums, aint))
+ goto merr;
+ }
+ return 1;
+
+ merr:
+ ASN1_INTEGER_free(aint);
+ X509V3err(X509V3_F_NREF_NOS, ERR_R_MALLOC_FAILURE);
+
+ err:
+ return 0;
+}
+
+static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
+ BIO *out, int indent)
+{
+ int i;
+ POLICYINFO *pinfo;
+ /* First print out the policy OIDs */
+ for (i = 0; i < sk_POLICYINFO_num(pol); i++) {
+ if (i > 0)
+ BIO_puts(out, "\n");
+ pinfo = sk_POLICYINFO_value(pol, i);
+ BIO_printf(out, "%*sPolicy: ", indent, "");
+ i2a_ASN1_OBJECT(out, pinfo->policyid);
+ if (pinfo->qualifiers) {
+ BIO_puts(out, "\n");
+ print_qualifiers(out, pinfo->qualifiers, indent + 2);
+ }
+ }
+ return 1;
+}
+
+static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
+ int indent)
+{
+ POLICYQUALINFO *qualinfo;
+ int i;
+ for (i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
+ if (i > 0)
+ BIO_puts(out, "\n");
+ qualinfo = sk_POLICYQUALINFO_value(quals, i);
+ switch (OBJ_obj2nid(qualinfo->pqualid)) {
+ case NID_id_qt_cps:
+ BIO_printf(out, "%*sCPS: %s", indent, "",
+ qualinfo->d.cpsuri->data);
+ break;
+
+ case NID_id_qt_unotice:
+ BIO_printf(out, "%*sUser Notice:\n", indent, "");
+ print_notice(out, qualinfo->d.usernotice, indent + 2);
+ break;
+
+ default:
+ BIO_printf(out, "%*sUnknown Qualifier: ", indent + 2, "");
+
+ i2a_ASN1_OBJECT(out, qualinfo->pqualid);
+ break;
+ }
+ }
+}
+
+static void print_notice(BIO *out, USERNOTICE *notice, int indent)
+{
+ int i;
+ if (notice->noticeref) {
+ NOTICEREF *ref;
+ ref = notice->noticeref;
+ BIO_printf(out, "%*sOrganization: %s\n", indent, "",
+ ref->organization->data);
+ BIO_printf(out, "%*sNumber%s: ", indent, "",
+ sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
+ for (i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
+ ASN1_INTEGER *num;
+ char *tmp;
+ num = sk_ASN1_INTEGER_value(ref->noticenos, i);
+ if (i)
+ BIO_puts(out, ", ");
+ if (num == NULL)
+ BIO_puts(out, "(null)");
+ else {
+ tmp = i2s_ASN1_INTEGER(NULL, num);
+ if (tmp == NULL)
+ return;
+ BIO_puts(out, tmp);
+ OPENSSL_free(tmp);
+ }
+ }
+ if (notice->exptext)
+ BIO_puts(out, "\n");
+ }
+ if (notice->exptext)
+ BIO_printf(out, "%*sExplicit Text: %s", indent, "",
+ notice->exptext->data);
+}
+
+void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
+{
+ const X509_POLICY_DATA *dat = node->data;
+
+ BIO_printf(out, "%*sPolicy: ", indent, "");
+
+ i2a_ASN1_OBJECT(out, dat->valid_policy);
+ BIO_puts(out, "\n");
+ BIO_printf(out, "%*s%s\n", indent + 2, "",
+ node_data_critical(dat) ? "Critical" : "Non Critical");
+ if (dat->qualifier_set) {
+ print_qualifiers(out, dat->qualifier_set, indent + 2);
+ BIO_puts(out, "\n");
+ }
+ else
+ BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
+}
projects / openssl.git / blobdiff