Allow memory bios to be read only and change PKCS#7 routines to use them.

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

diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
index 58e0543504be7289619e5428e1fd43a1469948df..a05e0c2eacdb7eb8aaecf9f46d13b5ca364aeaef 100644 (file)
--- a/crypto/bio/bio.h
+++ b/crypto/bio/bio.h
@@ -147,6 +147,11 @@ extern "C" {
 
 #define BIO_FLAGS_BASE64_NO_NL 0x100
 
+/* This is used with memory BIOs: it means we shouldn't free up or change the
+ * data in any way.
+ */
+#define BIO_FLAGS_MEM_RDONLY   0x200
+
 #define BIO_set_flags(b,f) ((b)->flags|=(f))
 #define BIO_get_flags(b) ((b)->flags)
 #define BIO_set_retry_special(b) \
@@ -526,6 +531,7 @@ long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
 #endif
 
 BIO_METHOD *BIO_s_mem(void);
+BIO *BIO_new_mem_buf(void *buf, int len);
 BIO_METHOD *BIO_s_socket(void);
 BIO_METHOD *BIO_s_connect(void);
 BIO_METHOD *BIO_s_accept(void);
@@ -604,6 +610,7 @@ int BIO_printf(BIO *bio, ...);
 #define BIO_F_BIO_MAKE_PAIR                             121
 #define BIO_F_BIO_NEW                                   108
 #define BIO_F_BIO_NEW_FILE                              109
+#define BIO_F_BIO_NEW_MEM_BUF                           126
 #define BIO_F_BIO_NREAD                                         123
 #define BIO_F_BIO_NREAD0                                124
 #define BIO_F_BIO_NWRITE                                125
@@ -645,6 +652,7 @@ int BIO_printf(BIO *bio, ...);
 #define BIO_R_UNABLE_TO_LISTEN_SOCKET                   119
 #define BIO_R_UNINITIALIZED                             120
 #define BIO_R_UNSUPPORTED_METHOD                        121
+#define BIO_R_WRITE_TO_READ_ONLY_BIO                    126
 #define BIO_R_WSASTARTUP                                122
 
 #ifdef  __cplusplus