diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509v3/v3_akey.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509v3/v3_akey.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509v3/v3_akey.c b/openssl-1.1.0h/crypto/x509v3/v3_akey.c new file mode 100644 index 0000000..d9f7704 --- /dev/null +++ b/openssl-1.1.0h/crypto/x509v3/v3_akey.c @@ -0,0 +1,160 @@ +/* + * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 "ext_dat.h" + +static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + AUTHORITY_KEYID *akeyid, + STACK_OF(CONF_VALUE) + *extlist); +static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *values); + +const X509V3_EXT_METHOD v3_akey_id = { + NID_authority_key_identifier, + X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID), + 0, 0, 0, 0, + 0, 0, + (X509V3_EXT_I2V) i2v_AUTHORITY_KEYID, + (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID, + 0, 0, + NULL +}; + +static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + AUTHORITY_KEYID *akeyid, + STACK_OF(CONF_VALUE) + *extlist) +{ + char *tmp; + if (akeyid->keyid) { + tmp = OPENSSL_buf2hexstr(akeyid->keyid->data, akeyid->keyid->length); + X509V3_add_value("keyid", tmp, &extlist); + OPENSSL_free(tmp); + } + if (akeyid->issuer) + extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist); + if (akeyid->serial) { + tmp = OPENSSL_buf2hexstr(akeyid->serial->data, akeyid->serial->length); + X509V3_add_value("serial", tmp, &extlist); + OPENSSL_free(tmp); + } + return extlist; +} + +/*- + * Currently two options: + * keyid: use the issuers subject keyid, the value 'always' means its is + * an error if the issuer certificate doesn't have a key id. + * issuer: use the issuers cert issuer and serial number. The default is + * to only use this if keyid is not present. With the option 'always' + * this is always included. + */ + +static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, + STACK_OF(CONF_VALUE) *values) +{ + char keyid = 0, issuer = 0; + int i; + CONF_VALUE *cnf; + ASN1_OCTET_STRING *ikeyid = NULL; + X509_NAME *isname = NULL; + GENERAL_NAMES *gens = NULL; + GENERAL_NAME *gen = NULL; + ASN1_INTEGER *serial = NULL; + X509_EXTENSION *ext; + X509 *cert; + AUTHORITY_KEYID *akeyid; + + for (i = 0; i < sk_CONF_VALUE_num(values); i++) { + cnf = sk_CONF_VALUE_value(values, i); + if (strcmp(cnf->name, "keyid") == 0) { + keyid = 1; + if (cnf->value && strcmp(cnf->value, "always") == 0) + keyid = 2; + } else if (strcmp(cnf->name, "issuer") == 0) { + issuer = 1; + if (cnf->value && strcmp(cnf->value, "always") == 0) + issuer = 2; + } else { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, X509V3_R_UNKNOWN_OPTION); + ERR_add_error_data(2, "name=", cnf->name); + return NULL; + } + } + + if (!ctx || !ctx->issuer_cert) { + if (ctx && (ctx->flags == CTX_TEST)) + return AUTHORITY_KEYID_new(); + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, + X509V3_R_NO_ISSUER_CERTIFICATE); + return NULL; + } + + cert = ctx->issuer_cert; + + if (keyid) { + i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1); + if ((i >= 0) && (ext = X509_get_ext(cert, i))) + ikeyid = X509V3_EXT_d2i(ext); + if (keyid == 2 && !ikeyid) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, + X509V3_R_UNABLE_TO_GET_ISSUER_KEYID); + return NULL; + } + } + + if ((issuer && !ikeyid) || (issuer == 2)) { + isname = X509_NAME_dup(X509_get_issuer_name(cert)); + serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert)); + if (!isname || !serial) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, + X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS); + goto err; + } + } + + if ((akeyid = AUTHORITY_KEYID_new()) == NULL) + goto err; + + if (isname) { + if ((gens = sk_GENERAL_NAME_new_null()) == NULL + || (gen = GENERAL_NAME_new()) == NULL + || !sk_GENERAL_NAME_push(gens, gen)) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_MALLOC_FAILURE); + goto err; + } + gen->type = GEN_DIRNAME; + gen->d.dirn = isname; + } + + akeyid->issuer = gens; + gen = NULL; + gens = NULL; + akeyid->serial = serial; + akeyid->keyid = ikeyid; + + return akeyid; + + err: + sk_GENERAL_NAME_free(gens); + GENERAL_NAME_free(gen); + X509_NAME_free(isname); + ASN1_INTEGER_free(serial); + ASN1_OCTET_STRING_free(ikeyid); + return NULL; +} |