unifdef OPENSSL_NO_BIO.

Get that out of the way.

Change-Id: Ia61f47f1e23595a1d4876a85ae7518f11f4ab6a0
Reviewed-on: https://boringssl-review.googlesource.com/2401
Reviewed-by: Adam Langley <agl@google.com>

include/openssl/asn1.h

@@ -63,9 +63,7 @@
 
 #include <time.h>
 
-#ifndef OPENSSL_NO_BIO
 #include <openssl/bio.h>
-#endif
 #include <openssl/stack.h>
 
 #include <openssl/bn.h>
@@ -778,9 +776,7 @@ OPENSSL_EXPORT int		ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value
 OPENSSL_EXPORT int		ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *a, int n);
 OPENSSL_EXPORT int            ASN1_BIT_STRING_check(ASN1_BIT_STRING *a, unsigned char *flags, int flags_len);
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT int ASN1_BIT_STRING_name_print(BIO *out, ASN1_BIT_STRING *bs, BIT_STRING_BITNAME *tbl, int indent);
-#endif
 OPENSSL_EXPORT int ASN1_BIT_STRING_num_asc(char *name, BIT_STRING_BITNAME *tbl);
 OPENSSL_EXPORT int ASN1_BIT_STRING_set_asc(ASN1_BIT_STRING *bs, char *name, int value, BIT_STRING_BITNAME *tbl);
 
@@ -852,7 +848,6 @@ OPENSSL_EXPORT STACK_OF(OPENSSL_BLOCK) *d2i_ASN1_SET(STACK_OF(OPENSSL_BLOCK) **a
 			      void (*free_func)(OPENSSL_BLOCK), int ex_tag,
 			      int ex_class);
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT int i2a_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *a);
 OPENSSL_EXPORT int a2i_ASN1_INTEGER(BIO *bp,ASN1_INTEGER *bs,char *buf,int size);
 OPENSSL_EXPORT int i2a_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *a);
@@ -860,7 +855,6 @@ OPENSSL_EXPORT int a2i_ASN1_ENUMERATED(BIO *bp,ASN1_ENUMERATED *bs,char *buf,int
 OPENSSL_EXPORT int i2a_ASN1_OBJECT(BIO *bp,ASN1_OBJECT *a);
 OPENSSL_EXPORT int a2i_ASN1_STRING(BIO *bp,ASN1_STRING *bs,char *buf,int size);
 OPENSSL_EXPORT int i2a_ASN1_STRING(BIO *bp, ASN1_STRING *a, int type);
-#endif
 OPENSSL_EXPORT int i2t_ASN1_OBJECT(char *buf,int buf_len,ASN1_OBJECT *a);
 
 OPENSSL_EXPORT int a2d_ASN1_OBJECT(unsigned char *out,int olen, const char *buf, int num);
@@ -947,7 +941,6 @@ OPENSSL_EXPORT int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned
 
 OPENSSL_EXPORT int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in);
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT void *ASN1_d2i_bio(void *(*xnew)(void), d2i_of_void *d2i, BIO *in, void **x);
 
 #define ASN1_d2i_bio_of(type,xnew,d2i,in,x) \
@@ -978,7 +971,6 @@ OPENSSL_EXPORT int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned lon
 OPENSSL_EXPORT int ASN1_bn_print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf, int off);
 OPENSSL_EXPORT int ASN1_parse(BIO *bp,const unsigned char *pp,long len,int indent);
 OPENSSL_EXPORT int ASN1_parse_dump(BIO *bp,const unsigned char *pp,long len,int indent,int dump);
-#endif
 OPENSSL_EXPORT const char *ASN1_tag2str(int tag);
 
 /* Used to load and write netscape format cert */

include/openssl/pem.h

@@ -339,7 +339,6 @@ OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc,
 
 #endif
 
-#ifndef OPENSSL_NO_BIO
 #define DECLARE_PEM_read_bio(name, type) \
 	OPENSSL_EXPORT type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
 
@@ -353,14 +352,6 @@ OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc,
 	OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
 
-#else
-
-#define DECLARE_PEM_read_bio(name, type) /**/
-#define DECLARE_PEM_write_bio(name, type) /**/
-#define DECLARE_PEM_write_bio_const(name, type) /**/
-#define DECLARE_PEM_write_cb_bio(name, type) /**/
-
-#endif
 
 #define DECLARE_PEM_write(name, type) \
 	DECLARE_PEM_write_bio(name, type) \
@@ -401,7 +392,6 @@ typedef int pem_password_cb(char *buf, int size, int rwflag);
 OPENSSL_EXPORT int	PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
 OPENSSL_EXPORT int	PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data,long *len, pem_password_cb *callback,void *u);
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT int	PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,long *len);
 OPENSSL_EXPORT int	PEM_write_bio(BIO *bp,const char *name, const char *hdr, const unsigned char *data, long len);
 OPENSSL_EXPORT int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp, pem_password_cb *cb, void *u);
@@ -410,7 +400,6 @@ OPENSSL_EXPORT int	PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp,
 
 OPENSSL_EXPORT STACK_OF(X509_INFO) *	PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
 OPENSSL_EXPORT int	PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cd, void *u);
-#endif
 
 OPENSSL_EXPORT int	PEM_read(FILE *fp, char **name, char **header, unsigned char **data,long *len);
 OPENSSL_EXPORT int	PEM_write(FILE *fp, const char *name, const char *hdr, const unsigned char *data, long len);

include/openssl/ssl.h

@@ -1170,16 +1170,11 @@ struct ssl_st
 	 * same.  This is so data can be read and written to different
 	 * handlers */
 
-#ifndef OPENSSL_NO_BIO
 	BIO *rbio; /* used by SSL_read */
 	BIO *wbio; /* used by SSL_write */
 	BIO *bbio; /* used during session-id reuse to concatenate
 		    * messages */
-#else
-	char *rbio; /* used by SSL_read */
-	char *wbio; /* used by SSL_write */
-	char *bbio;
-#endif
+
 	/* This holds a variable that indicates what we were doing
 	 * when a 0 or -1 is returned.  This is needed for
 	 * non-blocking IO so we know what request needs re-doing when
@@ -1847,11 +1842,9 @@ OPENSSL_EXPORT int	SSL_set_fd(SSL *s, int fd);
 OPENSSL_EXPORT int	SSL_set_rfd(SSL *s, int fd);
 OPENSSL_EXPORT int	SSL_set_wfd(SSL *s, int fd);
 #endif
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT void	SSL_set_bio(SSL *s, BIO *rbio,BIO *wbio);
 OPENSSL_EXPORT BIO *	SSL_get_rbio(const SSL *s);
 OPENSSL_EXPORT BIO *	SSL_get_wbio(const SSL *s);
-#endif
 OPENSSL_EXPORT int	SSL_set_cipher_list(SSL *s, const char *str);
 OPENSSL_EXPORT void	SSL_set_read_ahead(SSL *s, int yes);
 OPENSSL_EXPORT int	SSL_get_verify_mode(const SSL *s);
@@ -1902,9 +1895,7 @@ OPENSSL_EXPORT const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, uns
 #ifndef OPENSSL_NO_FP_API
 OPENSSL_EXPORT int	SSL_SESSION_print_fp(FILE *fp,const SSL_SESSION *ses);
 #endif
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT int	SSL_SESSION_print(BIO *fp,const SSL_SESSION *ses);
-#endif
 OPENSSL_EXPORT void	SSL_SESSION_free(SSL_SESSION *ses);
 OPENSSL_EXPORT int	SSL_set_session(SSL *to, SSL_SESSION *session);
 OPENSSL_EXPORT int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);

include/openssl/x509.h

@@ -676,7 +676,6 @@ OPENSSL_EXPORT int i2d_PUBKEY_fp(FILE *fp, EVP_PKEY *pkey);
 OPENSSL_EXPORT EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a);
 #endif
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT X509 *d2i_X509_bio(BIO *bp,X509 **x509);
 OPENSSL_EXPORT int i2d_X509_bio(BIO *bp,X509 *x509);
 OPENSSL_EXPORT X509_CRL *d2i_X509_CRL_bio(BIO *bp,X509_CRL **crl);
@@ -709,7 +708,6 @@ OPENSSL_EXPORT int i2d_PrivateKey_bio(BIO *bp, EVP_PKEY *pkey);
 OPENSSL_EXPORT EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a);
 OPENSSL_EXPORT int i2d_PUBKEY_bio(BIO *bp, EVP_PKEY *pkey);
 OPENSSL_EXPORT EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a);
-#endif
 
 OPENSSL_EXPORT X509 *X509_dup(X509 *x509);
 OPENSSL_EXPORT X509_ATTRIBUTE *X509_ATTRIBUTE_dup(X509_ATTRIBUTE *xa);
@@ -948,7 +946,6 @@ OPENSSL_EXPORT int		X509_REQ_print_fp(FILE *bp,X509_REQ *req);
 OPENSSL_EXPORT int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags);
 #endif
 
-#ifndef OPENSSL_NO_BIO
 OPENSSL_EXPORT int		X509_NAME_print(BIO *bp, X509_NAME *name, int obase);
 OPENSSL_EXPORT int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags);
 OPENSSL_EXPORT int		X509_print_ex(BIO *bp,X509 *x, unsigned long nmflag, unsigned long cflag);
@@ -958,7 +955,6 @@ OPENSSL_EXPORT int		X509_CERT_AUX_print(BIO *bp,X509_CERT_AUX *x, int indent);
 OPENSSL_EXPORT int		X509_CRL_print(BIO *bp,X509_CRL *x);
 OPENSSL_EXPORT int		X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflag, unsigned long cflag);
 OPENSSL_EXPORT int		X509_REQ_print(BIO *bp,X509_REQ *req);
-#endif
 
 OPENSSL_EXPORT int 		X509_NAME_entry_count(X509_NAME *name);
 OPENSSL_EXPORT int 		X509_NAME_get_text_by_NID(X509_NAME *name, int nid,