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1d158ab12d
LibreSSL causes lots of build issues by pretending to be OpenSSL 2.0.0, and it requires lots of care for each #if added to cover any specific OpenSSL features. This commit addresses the problem by making LibreSSL only advertise the version it forked from (1.0.1g) and by starting to use tests based on its real version to enable features instead of working by exclusion.
205 lines
5.3 KiB
C
205 lines
5.3 KiB
C
#ifndef _PROTO_OPENSSL_COMPAT_H
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#define _PROTO_OPENSSL_COMPAT_H
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#include <openssl/crypto.h>
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#include <openssl/ssl.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include <openssl/x509.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#if (defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP)
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#include <openssl/ocsp.h>
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#endif
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#ifndef OPENSSL_NO_DH
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#include <openssl/dh.h>
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#endif
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#if defined(LIBRESSL_VERSION_NUMBER)
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/* LibreSSL is a fork of OpenSSL 1.0.1g but pretends to be 2.0.0, thus
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* systematically breaking when some code is written for a specific version
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* of OpenSSL. Let's make it appear like what it really is and deal with
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* extra features with ORs and not with AND NOT.
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*/
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#define HA_OPENSSL_VERSION_NUMBER 0x1000107fL
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#else /* this is for a real OpenSSL or a truly compatible derivative */
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#define HA_OPENSSL_VERSION_NUMBER OPENSSL_VERSION_NUMBER
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#endif
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#if (HA_OPENSSL_VERSION_NUMBER < 0x0090800fL)
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/* Functions present in OpenSSL 0.9.8, older not tested */
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static inline const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *sess, unsigned int *sid_length)
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{
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*sid_length = sess->session_id_length;
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return sess->session_id;
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}
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static inline X509_NAME_ENTRY *X509_NAME_get_entry(const X509_NAME *name, int loc)
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{
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return sk_X509_NAME_ENTRY_value(name->entries, loc);
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}
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static inline ASN1_OBJECT *X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY *ne)
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{
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return ne->object;
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}
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static inline ASN1_STRING *X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY *ne)
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{
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return ne->value;
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}
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static inline int ASN1_STRING_length(const ASN1_STRING *x)
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{
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return x->length;
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}
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static inline int X509_NAME_entry_count(X509_NAME *name)
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{
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return sk_X509_NAME_ENTRY_num(name->entries)
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}
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static inline void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, const void **ppval, const X509_ALGOR *algor)
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{
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*paobj = algor->algorithm;
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}
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#endif // OpenSSL < 0.9.8
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#if (HA_OPENSSL_VERSION_NUMBER < 0x1000000fL)
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/* Functions introduced in OpenSSL 1.0.0 */
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static inline int EVP_PKEY_base_id(const EVP_PKEY *pkey)
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{
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return EVP_PKEY_type(pkey->type);
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}
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/* minimal implementation based on the fact that the only known call place
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* doesn't make use of other arguments.
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*/
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static inline int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg, const unsigned char **pk, int *ppklen, X509_ALGOR **pa, X509_PUBKEY *pub)
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{
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*ppkalg = pub->algor->algorithm;
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return 1;
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}
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#ifndef X509_get_X509_PUBKEY
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#define X509_get_X509_PUBKEY(x) ((x)->cert_info->key
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#endif
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#endif
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#if (HA_OPENSSL_VERSION_NUMBER < 0x1000100fL)
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/*
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* Functions introduced in OpenSSL 1.0.1
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*/
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static inline int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx, unsigned int sid_ctx_len)
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{
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s->sid_ctx_length = sid_ctx_len;
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memcpy(s->sid_ctx, sid_ctx, sid_ctx_len);
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return 1;
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}
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#endif
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#if (HA_OPENSSL_VERSION_NUMBER < 0x1010000fL) && (LIBRESSL_VERSION_NUMBER < 0x2070000fL)
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/*
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* Functions introduced in OpenSSL 1.1.0 and in LibreSSL 2.7.0
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*/
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static inline const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *sess, unsigned int *sid_ctx_length)
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{
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*sid_ctx_length = sess->sid_ctx_length;
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return sess->sid_ctx;
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}
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static inline int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid, unsigned int sid_len)
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{
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s->session_id_length = sid_len;
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memcpy(s->session_id, sid, sid_len);
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return 1;
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}
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static inline X509_ALGOR *X509_get0_tbs_sigalg(const X509 *x)
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{
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return x->cert_info->signature;
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}
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#if (!defined OPENSSL_NO_OCSP)
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static inline const OCSP_CERTID *OCSP_SINGLERESP_get0_id(const OCSP_SINGLERESP *single)
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{
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return single->certId;
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}
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#endif
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static inline pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx)
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{
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return ctx->default_passwd_callback;
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}
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static inline void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx)
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{
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return ctx->default_passwd_callback_userdata;
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}
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#ifndef OPENSSL_NO_DH
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static inline int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
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{
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/* Implements only the bare necessities for HAProxy */
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dh->p = p;
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dh->g = g;
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return 1;
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}
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#endif
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static inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *x)
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{
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return x->data;
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}
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#endif
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#if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL) || (LIBRESSL_VERSION_NUMBER >= 0x2070200fL)
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#define __OPENSSL_110_CONST__ const
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#else
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#define __OPENSSL_110_CONST__
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#endif
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#ifdef OPENSSL_IS_BORINGSSL
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static inline int EVP_PKEY_base_id(EVP_PKEY *pkey)
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{
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return EVP_PKEY_type(pkey->type);
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}
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#endif
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/* ERR_remove_state() was deprecated in 1.0.0 in favor of
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* ERR_remove_thread_state(), which was in turn deprecated in
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* 1.1.0 and does nothing anymore. Let's simply silently kill
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* it.
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*/
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#if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL)
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#undef ERR_remove_state
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#define ERR_remove_state(x)
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#endif
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/* RAND_pseudo_bytes() is deprecated in 1.1.0 in favor of RAND_bytes(). Note
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* that the return codes differ, but it happens that the only use case (ticket
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* key update) was already wrong, considering a non-cryptographic random as a
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* failure.
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*/
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#if (HA_OPENSSL_VERSION_NUMBER >= 0x1010000fL)
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#undef RAND_pseudo_bytes
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#define RAND_pseudo_bytes(x,y) RAND_bytes(x,y)
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#endif
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/* Signature from RFC 5246, missing in openssl < 1.0.1 */
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#ifndef TLSEXT_signature_anonymous
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#define TLSEXT_signature_anonymous 0
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#define TLSEXT_signature_rsa 1
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#define TLSEXT_signature_dsa 2
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#define TLSEXT_signature_ecdsa 3
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#endif
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#endif /* _PROTO_OPENSSL_COMPAT_H */
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