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-rw-r--r--crypto/bio/bss_rtcp.c297
1 files changed, 161 insertions, 136 deletions
diff --git a/crypto/bio/bss_rtcp.c b/crypto/bio/bss_rtcp.c
index 7dae48556406..09f14f48dc03 100644
--- a/crypto/bio/bss_rtcp.c
+++ b/crypto/bio/bss_rtcp.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,16 +49,17 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
-/* Written by David L. Jones <jonesd@kcgl1.eng.ohio-state.edu>
+/*-
+ * Written by David L. Jones <jonesd@kcgl1.eng.ohio-state.edu>
* Date: 22-JUL-1996
- * Revised: 25-SEP-1997 Update for 0.8.1, BIO_CTRL_SET -> BIO_C_SET_FD
+ * Revised: 25-SEP-1997 Update for 0.8.1, BIO_CTRL_SET -> BIO_C_SET_FD
*/
/* VMS */
#include <stdio.h>
@@ -68,18 +69,26 @@
#include "cryptlib.h"
#include <openssl/bio.h>
-#include <iodef.h> /* VMS IO$_ definitions */
+#include <iodef.h> /* VMS IO$_ definitions */
#include <starlet.h>
typedef unsigned short io_channel;
/*************************************************************************/
-struct io_status { short status, count; long flags; };
+struct io_status {
+ short status, count;
+ long flags;
+};
-struct rpc_msg { /* Should have member alignment inhibited */
- char channel; /* 'A'-app data. 'R'-remote client 'G'-global */
- char function; /* 'G'-get, 'P'-put, 'C'-confirm, 'X'-close */
- unsigned short int length; /* Amount of data returned or max to return */
- char data[4092]; /* variable data */
+/* Should have member alignment inhibited */
+struct rpc_msg {
+ /* 'A'-app data. 'R'-remote client 'G'-global */
+ char channel;
+ /* 'G'-get, 'P'-put, 'C'-confirm, 'X'-close */
+ char function;
+ /* Amount of data returned or max to return */
+ unsigned short int length;
+ /* variable data */
+ char data[4092];
};
#define RPC_HDR_SIZE (sizeof(struct rpc_msg) - 4092)
@@ -88,64 +97,68 @@ struct rpc_ctx {
struct rpc_msg msg;
};
-static int rtcp_write(BIO *h,const char *buf,int num);
-static int rtcp_read(BIO *h,char *buf,int size);
-static int rtcp_puts(BIO *h,const char *str);
-static int rtcp_gets(BIO *h,char *str,int size);
-static long rtcp_ctrl(BIO *h,int cmd,long arg1,void *arg2);
+static int rtcp_write(BIO *h, const char *buf, int num);
+static int rtcp_read(BIO *h, char *buf, int size);
+static int rtcp_puts(BIO *h, const char *str);
+static int rtcp_gets(BIO *h, char *str, int size);
+static long rtcp_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int rtcp_new(BIO *h);
static int rtcp_free(BIO *data);
-static BIO_METHOD rtcp_method=
- {
- BIO_TYPE_FD,
- "RTCP",
- rtcp_write,
- rtcp_read,
- rtcp_puts,
- rtcp_gets,
- rtcp_ctrl,
- rtcp_new,
- rtcp_free,
- NULL,
- };
+static BIO_METHOD rtcp_method = {
+ BIO_TYPE_FD,
+ "RTCP",
+ rtcp_write,
+ rtcp_read,
+ rtcp_puts,
+ rtcp_gets,
+ rtcp_ctrl,
+ rtcp_new,
+ rtcp_free,
+ NULL,
+};
BIO_METHOD *BIO_s_rtcp(void)
- {
- return(&rtcp_method);
- }
+{
+ return (&rtcp_method);
+}
+
/*****************************************************************************/
-/* Decnet I/O routines.
+/*
+ * Decnet I/O routines.
*/
#ifdef __DECC
-#pragma message save
-#pragma message disable DOLLARID
+# pragma message save
+# pragma message disable DOLLARID
#endif
-static int get ( io_channel chan, char *buffer, int maxlen, int *length )
+static int get(io_channel chan, char *buffer, int maxlen, int *length)
{
int status;
struct io_status iosb;
- status = sys$qiow ( 0, chan, IO$_READVBLK, &iosb, 0, 0,
- buffer, maxlen, 0, 0, 0, 0 );
- if ( (status&1) == 1 ) status = iosb.status;
- if ( (status&1) == 1 ) *length = iosb.count;
+ status = sys$qiow(0, chan, IO$_READVBLK, &iosb, 0, 0,
+ buffer, maxlen, 0, 0, 0, 0);
+ if ((status & 1) == 1)
+ status = iosb.status;
+ if ((status & 1) == 1)
+ *length = iosb.count;
return status;
}
-static int put ( io_channel chan, char *buffer, int length )
+static int put(io_channel chan, char *buffer, int length)
{
int status;
struct io_status iosb;
- status = sys$qiow ( 0, chan, IO$_WRITEVBLK, &iosb, 0, 0,
- buffer, length, 0, 0, 0, 0 );
- if ( (status&1) == 1 ) status = iosb.status;
+ status = sys$qiow(0, chan, IO$_WRITEVBLK, &iosb, 0, 0,
+ buffer, length, 0, 0, 0, 0);
+ if ((status & 1) == 1)
+ status = iosb.status;
return status;
}
#ifdef __DECC
-#pragma message restore
+# pragma message restore
#endif
/***************************************************************************/
@@ -153,24 +166,26 @@ static int put ( io_channel chan, char *buffer, int length )
static int rtcp_new(BIO *bi)
{
struct rpc_ctx *ctx;
- bi->init=1;
- bi->num=0;
- bi->flags = 0;
- bi->ptr=OPENSSL_malloc(sizeof(struct rpc_ctx));
- ctx = (struct rpc_ctx *) bi->ptr;
- ctx->filled = 0;
- ctx->pos = 0;
- return(1);
+ bi->init = 1;
+ bi->num = 0;
+ bi->flags = 0;
+ bi->ptr = OPENSSL_malloc(sizeof(struct rpc_ctx));
+ ctx = (struct rpc_ctx *)bi->ptr;
+ ctx->filled = 0;
+ ctx->pos = 0;
+ return (1);
}
static int rtcp_free(BIO *a)
{
- if (a == NULL) return(0);
- if ( a->ptr ) OPENSSL_free ( a->ptr );
- a->ptr = NULL;
- return(1);
+ if (a == NULL)
+ return (0);
+ if (a->ptr)
+ OPENSSL_free(a->ptr);
+ a->ptr = NULL;
+ return (1);
}
-
+
static int rtcp_read(BIO *b, char *out, int outl)
{
int status, length;
@@ -178,13 +193,14 @@ static int rtcp_read(BIO *b, char *out, int outl)
/*
* read data, return existing.
*/
- ctx = (struct rpc_ctx *) b->ptr;
- if ( ctx->pos < ctx->filled ) {
- length = ctx->filled - ctx->pos;
- if ( length > outl ) length = outl;
- memmove ( out, &ctx->msg.data[ctx->pos], length );
- ctx->pos += length;
- return length;
+ ctx = (struct rpc_ctx *)b->ptr;
+ if (ctx->pos < ctx->filled) {
+ length = ctx->filled - ctx->pos;
+ if (length > outl)
+ length = outl;
+ memmove(out, &ctx->msg.data[ctx->pos], length);
+ ctx->pos += length;
+ return length;
}
/*
* Requst more data from R channel.
@@ -192,27 +208,29 @@ static int rtcp_read(BIO *b, char *out, int outl)
ctx->msg.channel = 'R';
ctx->msg.function = 'G';
ctx->msg.length = sizeof(ctx->msg.data);
- status = put ( b->num, (char *) &ctx->msg, RPC_HDR_SIZE );
- if ( (status&1) == 0 ) {
- return -1;
+ status = put(b->num, (char *)&ctx->msg, RPC_HDR_SIZE);
+ if ((status & 1) == 0) {
+ return -1;
}
/*
* Read.
*/
ctx->pos = ctx->filled = 0;
- status = get ( b->num, (char *) &ctx->msg, sizeof(ctx->msg), &length );
- if ( (status&1) == 0 ) length = -1;
- if ( ctx->msg.channel != 'R' || ctx->msg.function != 'C' ) {
- length = -1;
+ status = get(b->num, (char *)&ctx->msg, sizeof(ctx->msg), &length);
+ if ((status & 1) == 0)
+ length = -1;
+ if (ctx->msg.channel != 'R' || ctx->msg.function != 'C') {
+ length = -1;
}
ctx->filled = length - RPC_HDR_SIZE;
-
- if ( ctx->pos < ctx->filled ) {
- length = ctx->filled - ctx->pos;
- if ( length > outl ) length = outl;
- memmove ( out, ctx->msg.data, length );
- ctx->pos += length;
- return length;
+
+ if (ctx->pos < ctx->filled) {
+ length = ctx->filled - ctx->pos;
+ if (length > outl)
+ length = outl;
+ memmove(out, ctx->msg.data, length);
+ ctx->pos += length;
+ return length;
}
return length;
@@ -225,70 +243,77 @@ static int rtcp_write(BIO *b, const char *in, int inl)
/*
* Output data, send in chunks no larger that sizeof(ctx->msg.data).
*/
- ctx = (struct rpc_ctx *) b->ptr;
- for ( i = 0; i < inl; i += segment ) {
- segment = inl - i;
- if ( segment > sizeof(ctx->msg.data) ) segment = sizeof(ctx->msg.data);
- ctx->msg.channel = 'R';
- ctx->msg.function = 'P';
- ctx->msg.length = segment;
- memmove ( ctx->msg.data, &in[i], segment );
- status = put ( b->num, (char *) &ctx->msg, segment + RPC_HDR_SIZE );
- if ((status&1) == 0 ) { i = -1; break; }
+ ctx = (struct rpc_ctx *)b->ptr;
+ for (i = 0; i < inl; i += segment) {
+ segment = inl - i;
+ if (segment > sizeof(ctx->msg.data))
+ segment = sizeof(ctx->msg.data);
+ ctx->msg.channel = 'R';
+ ctx->msg.function = 'P';
+ ctx->msg.length = segment;
+ memmove(ctx->msg.data, &in[i], segment);
+ status = put(b->num, (char *)&ctx->msg, segment + RPC_HDR_SIZE);
+ if ((status & 1) == 0) {
+ i = -1;
+ break;
+ }
- status = get ( b->num, (char *) &ctx->msg, sizeof(ctx->msg), &length );
- if ( ((status&1) == 0) || (length < RPC_HDR_SIZE) ) { i = -1; break; }
- if ( (ctx->msg.channel != 'R') || (ctx->msg.function != 'C') ) {
- printf("unexpected response when confirming put %c %c\n",
- ctx->msg.channel, ctx->msg.function );
+ status = get(b->num, (char *)&ctx->msg, sizeof(ctx->msg), &length);
+ if (((status & 1) == 0) || (length < RPC_HDR_SIZE)) {
+ i = -1;
+ break;
+ }
+ if ((ctx->msg.channel != 'R') || (ctx->msg.function != 'C')) {
+ printf("unexpected response when confirming put %c %c\n",
+ ctx->msg.channel, ctx->msg.function);
- }
+ }
}
- return(i);
+ return (i);
}
static long rtcp_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- long ret=1;
+{
+ long ret = 1;
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- case BIO_CTRL_EOF:
- ret = 1;
- break;
- case BIO_C_SET_FD:
- b->num = num;
- ret = 1;
- break;
- case BIO_CTRL_SET_CLOSE:
- case BIO_CTRL_FLUSH:
- case BIO_CTRL_DUP:
- ret=1;
- break;
- case BIO_CTRL_GET_CLOSE:
- case BIO_CTRL_INFO:
- case BIO_CTRL_GET:
- case BIO_CTRL_PENDING:
- case BIO_CTRL_WPENDING:
- default:
- ret=0;
- break;
- }
- return(ret);
- }
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ case BIO_CTRL_EOF:
+ ret = 1;
+ break;
+ case BIO_C_SET_FD:
+ b->num = num;
+ ret = 1;
+ break;
+ case BIO_CTRL_SET_CLOSE:
+ case BIO_CTRL_FLUSH:
+ case BIO_CTRL_DUP:
+ ret = 1;
+ break;
+ case BIO_CTRL_GET_CLOSE:
+ case BIO_CTRL_INFO:
+ case BIO_CTRL_GET:
+ case BIO_CTRL_PENDING:
+ case BIO_CTRL_WPENDING:
+ default:
+ ret = 0;
+ break;
+ }
+ return (ret);
+}
static int rtcp_gets(BIO *bp, char *buf, int size)
- {
- return(0);
- }
+{
+ return (0);
+}
static int rtcp_puts(BIO *bp, const char *str)
{
int length;
- if (str == NULL) return(0);
- length = strlen ( str );
- if ( length == 0 ) return (0);
- return rtcp_write ( bp,str, length );
+ if (str == NULL)
+ return (0);
+ length = strlen(str);
+ if (length == 0)
+ return (0);
+ return rtcp_write(bp, str, length);
}
-