Experimental streaming PKCS#7 support.

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

diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
index 2504cba..9a81ee0 100644 (file)
--- a/crypto/bio/bio.h
+++ b/crypto/bio/bio.h
@@ -95,6 +95,7 @@ extern "C" {
 #define BIO_TYPE_BIO           (19|0x0400)             /* (half a) BIO pair */
 #define BIO_TYPE_LINEBUFFER    (20|0x0200)             /* filter */
 #define BIO_TYPE_DGRAM         (21|0x0400|0x0100)
+#define BIO_TYPE_ASN1          (22|0x0200)             /* filter */
 
 #define BIO_TYPE_DESCRIPTOR    0x0100  /* socket, fd, connect or accept */
 #define BIO_TYPE_FILTER                0x0200
@@ -314,6 +315,9 @@ typedef struct bio_f_buffer_ctx_struct
        int obuf_off;           /* write/read offset */
        } BIO_F_BUFFER_CTX;
 
+/* Prefix and suffix callback in ASN1 BIO */
+typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
+
 /* connect BIO stuff */
 #define BIO_CONN_S_BEFORE              1
 #define BIO_CONN_S_GET_IP              2
@@ -375,6 +379,13 @@ typedef struct bio_f_buffer_ctx_struct
 #define BIO_C_NWRITE                           146
 #define BIO_C_RESET_READ_REQUEST               147
 
+#define BIO_C_SET_PREFIX                       148
+#define BIO_C_GET_PREFIX                       149
+#define BIO_C_SET_SUFFIX                       150
+#define BIO_C_GET_SUFFIX                       151
+
+#define BIO_C_SET_EX_ARG                       152
+#define BIO_C_GET_EX_ARG                       153
 
 #define BIO_set_app_data(s,arg)                BIO_set_ex_data(s,0,arg)
 #define BIO_get_app_data(s)            BIO_get_ex_data(s,0)
@@ -536,6 +547,16 @@ int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
 unsigned long BIO_number_read(BIO *bio);
 unsigned long BIO_number_written(BIO *bio);
 
+/* For BIO_f_asn1() */
+int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
+                                       asn1_ps_func *prefix_free);
+int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
+                                       asn1_ps_func **pprefix_free);
+int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
+                                       asn1_ps_func *suffix_free);
+int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
+                                       asn1_ps_func **psuffix_free);
+
 # ifndef OPENSSL_NO_FP_API
 BIO_METHOD *BIO_s_file(void );
 BIO *BIO_new_file(const char *filename, const char *mode);