Create BIO_read_ex() which handles size_t arguments

[openssl.git] / crypto / bio / bio_lcl.h

diff --git a/crypto/bio/bio_lcl.h b/crypto/bio/bio_lcl.h
index 24f8b1859529a3104c553be5fd3d847aae898d9c..d46f4e745c2b84cbddfe96dd42204c073d4d4c63 100644 (file)
--- a/crypto/bio/bio_lcl.h
+++ b/crypto/bio/bio_lcl.h
@@ -1,3 +1,12 @@
+/*
+ * Copyright 2005-2016 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
+ */
+
 #define USE_SOCKETS
 #include "e_os.h"
 
@@ -32,6 +41,18 @@
 # endif
 
 # ifdef AI_PASSIVE
+
+/*
+ * There's a bug in VMS C header file netdb.h, where struct addrinfo
+ * always is the P32 variant, but the functions that handle that structure,
+ * such as getaddrinfo() and freeaddrinfo() adapt to the initial pointer
+ * size.  The easiest workaround is to force struct addrinfo to be the
+ * 64-bit variant when compiling in P64 mode.
+ */
+#  if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE == 64
+#   define addrinfo __addrinfo64
+#  endif
+
 #  define bio_addrinfo_st addrinfo
 #  define bai_family      ai_family
 #  define bai_socktype    ai_socktype
@@ -65,13 +86,59 @@ union bio_addr_st {
 /* END BIO_ADDRINFO/BIO_ADDR stuff. */
 
 #include "internal/cryptlib.h"
-#include <openssl/bio.h>
+#include <internal/bio.h>
+
+typedef struct bio_f_buffer_ctx_struct {
+    /*-
+     * Buffers are setup like this:
+     *
+     * <---------------------- size ----------------------->
+     * +---------------------------------------------------+
+     * | consumed | remaining          | free space        |
+     * +---------------------------------------------------+
+     * <-- off --><------- len ------->
+     */
+    /*- BIO *bio; *//*
+     * this is now in the BIO struct
+     */
+    int ibuf_size;              /* how big is the input buffer */
+    int obuf_size;              /* how big is the output buffer */
+    char *ibuf;                 /* the char array */
+    int ibuf_len;               /* how many bytes are in it */
+    int ibuf_off;               /* write/read offset */
+    char *obuf;                 /* the char array */
+    int obuf_len;               /* how many bytes are in it */
+    int obuf_off;               /* write/read offset */
+} BIO_F_BUFFER_CTX;
+
+struct bio_st {
+    const BIO_METHOD *method;
+    /* bio, mode, argp, argi, argl, ret */
+    BIO_callback_fn callback;
+    BIO_callback_fn_ex callback_ex;
+    char *cb_arg;               /* first argument for the callback */
+    int init;
+    int shutdown;
+    int flags;                  /* extra storage */
+    int retry_reason;
+    int num;
+    void *ptr;
+    struct bio_st *next_bio;    /* used by filter BIOs */
+    struct bio_st *prev_bio;    /* used by filter BIOs */
+    int references;
+    uint64_t num_read;
+    uint64_t num_write;
+    CRYPTO_EX_DATA ex_data;
+    CRYPTO_RWLOCK *lock;
+};
 
 #ifndef OPENSSL_NO_SOCK
 # ifdef OPENSSL_SYS_VMS
 typedef unsigned int socklen_t;
 # endif
 
+extern CRYPTO_RWLOCK *bio_lookup_lock;
+
 int BIO_ADDR_make(BIO_ADDR *ap, const struct sockaddr *sa);
 const struct sockaddr *BIO_ADDR_sockaddr(const BIO_ADDR *ap);
 struct sockaddr *BIO_ADDR_sockaddr_noconst(BIO_ADDR *ap);
@@ -80,6 +147,10 @@ socklen_t BIO_ADDRINFO_sockaddr_size(const BIO_ADDRINFO *bai);
 const struct sockaddr *BIO_ADDRINFO_sockaddr(const BIO_ADDRINFO *bai);
 #endif
 
+extern CRYPTO_RWLOCK *bio_type_lock;
+
+void bio_sock_cleanup_int(void);
+
 #if BIO_FLAGS_UPLINK==0
 /* Shortcut UPLINK calls on most platforms... */
 # define UP_stdin        stdin