There are a number of instances throughout the code where the constant 28 is

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

diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
index ab47abcf143d397236bfb929eb33eb1a16b9a78a..122ec04e0b817a5cc5d298112ae2d6e07ab0b120 100644 (file)
--- a/crypto/bio/bio.h
+++ b/crypto/bio/bio.h
@@ -68,6 +68,14 @@
 
 #include <openssl/crypto.h>
 
+#ifndef OPENSSL_NO_SCTP
+# ifndef OPENSSL_SYS_VMS
+# include <stdint.h>
+# else
+# include <inttypes.h>
+# endif
+#endif
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
@@ -95,6 +103,9 @@ 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)
+#ifndef OPENSSL_NO_SCTP
+#define BIO_TYPE_DGRAM_SCTP    (24|0x0400|0x0100)
+#endif
 #define BIO_TYPE_ASN1          (22|0x0200)             /* filter */
 #define BIO_TYPE_COMP          (23|0x0200)             /* filter */
 
@@ -146,6 +157,7 @@ extern "C" {
 /* #endif */
 
 #define BIO_CTRL_DGRAM_QUERY_MTU          40 /* as kernel for current MTU */
+#define BIO_CTRL_DGRAM_GET_FALLBACK_MTU   47
 #define BIO_CTRL_DGRAM_GET_MTU            41 /* get cached value for MTU */
 #define BIO_CTRL_DGRAM_SET_MTU            42 /* set cached value for
                                              * MTU. want to use this
@@ -161,7 +173,25 @@ extern "C" {
 #define BIO_CTRL_DGRAM_SET_PEER           44 /* Destination for the data */
 
 #define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT   45 /* Next DTLS handshake timeout to
-                                                                                         * adjust socket timeouts */
+                                              * adjust socket timeouts */
+#define BIO_CTRL_DGRAM_SET_DONT_FRAG      48
+
+#define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD   49
+
+#ifndef OPENSSL_NO_SCTP
+/* SCTP stuff */
+#define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE   50
+#define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY               51
+#define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY              52
+#define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD              53
+#define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO                60
+#define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO                61
+#define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO                62
+#define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO                63
+#define BIO_CTRL_DGRAM_SCTP_GET_PRINFO                 64
+#define BIO_CTRL_DGRAM_SCTP_SET_PRINFO                 65
+#define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN              70
+#endif
 
 /* modifiers */
 #define BIO_FP_READ            0x02
@@ -331,6 +361,34 @@ typedef struct bio_f_buffer_ctx_struct
 /* Prefix and suffix callback in ASN1 BIO */
 typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
 
+#ifndef OPENSSL_NO_SCTP
+/* SCTP parameter structs */
+struct bio_dgram_sctp_sndinfo
+       {
+       uint16_t snd_sid;
+       uint16_t snd_flags;
+       uint32_t snd_ppid;
+       uint32_t snd_context;
+       };
+
+struct bio_dgram_sctp_rcvinfo
+       {
+       uint16_t rcv_sid;
+       uint16_t rcv_ssn;
+       uint16_t rcv_flags;
+       uint32_t rcv_ppid;
+       uint32_t rcv_tsn;
+       uint32_t rcv_cumtsn;
+       uint32_t rcv_context;
+       };
+
+struct bio_dgram_sctp_prinfo
+       {
+       uint16_t pr_policy;
+       uint32_t pr_value;
+       };
+#endif
+
 /* connect BIO stuff */
 #define BIO_CONN_S_BEFORE              1
 #define BIO_CONN_S_GET_IP              2
@@ -552,6 +610,8 @@ int BIO_ctrl_reset_read_request(BIO *b);
          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
 #define BIO_dgram_set_peer(b,peer) \
          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
+#define BIO_dgram_get_mtu_overhead(b) \
+         (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
 
 /* These two aren't currently implemented */
 /* int BIO_get_ex_num(BIO *bio); */
@@ -628,6 +688,9 @@ BIO_METHOD *BIO_f_linebuffer(void);
 BIO_METHOD *BIO_f_nbio_test(void);
 #ifndef OPENSSL_NO_DGRAM
 BIO_METHOD *BIO_s_datagram(void);
+#ifndef OPENSSL_NO_SCTP
+BIO_METHOD *BIO_s_datagram_sctp(void);
+#endif
 #endif
 
 /* BIO_METHOD *BIO_f_ber(void); */
@@ -648,6 +711,9 @@ int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
 int BIO_dump_fp(FILE *fp, const char *s, int len);
 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
 #endif
+int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
+                  int datalen);
+
 struct hostent *BIO_gethostbyname(const char *name);
 /* We might want a thread-safe interface too:
  * struct hostent *BIO_gethostbyname_r(const char *name,
@@ -670,9 +736,18 @@ int BIO_set_tcp_ndelay(int sock,int turn_on);
 
 BIO *BIO_new_socket(int sock, int close_flag);
 BIO *BIO_new_dgram(int fd, int close_flag);
+#ifndef OPENSSL_NO_SCTP
+BIO *BIO_new_dgram_sctp(int fd, int close_flag);
+int BIO_dgram_is_sctp(BIO *bio);
+int BIO_dgram_sctp_notification_cb(BIO *b,
+                                   void (*handle_notifications)(BIO *bio, void *context, void *buf),
+                                   void *context);
+int BIO_dgram_sctp_wait_for_dry(BIO *b);
+int BIO_dgram_sctp_msg_waiting(BIO *b);
+#endif
 BIO *BIO_new_fd(int fd, int close_flag);
-BIO *BIO_new_connect(char *host_port);
-BIO *BIO_new_accept(char *host_port);
+BIO *BIO_new_connect(const char *host_port);
+BIO *BIO_new_accept(const char *host_port);
 
 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
        BIO **bio2, size_t writebuf2);
@@ -734,6 +809,7 @@ void ERR_load_BIO_strings(void);
 #define BIO_F_BUFFER_CTRL                               114
 #define BIO_F_CONN_CTRL                                         127
 #define BIO_F_CONN_STATE                                115
+#define BIO_F_DGRAM_SCTP_READ                           132
 #define BIO_F_FILE_CTRL                                         116
 #define BIO_F_FILE_READ                                         130
 #define BIO_F_LINEBUFFER_CTRL                           129