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improve binary compatibility

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This commit is contained in:
Bodo Möller 2002-04-14 08:25:41 +00:00
parent 82c77c1b32
commit a6ec2d58ba
4 changed files with 16 additions and 25 deletions
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4
ssl/s3_both.c
View File

@ -584,7 +584,7 @@ int ssl3_setup_buffers(SSL *s)
if ((p=OPENSSL_malloc(len)) == NULL)
goto err;
s->s3->rbuf.buf = p;
s->s3->rbuf.len = len;
s->s3->rbuf_len = len;
}
if (s->s3->wbuf.buf == NULL)
@ -594,7 +594,7 @@ int ssl3_setup_buffers(SSL *s)
if ((p=OPENSSL_malloc(len)) == NULL)
goto err;
s->s3->wbuf.buf = p;
s->s3->wbuf.len = len;
s->s3->wbuf_len = len;
}
s->packet= &(s->s3->rbuf.buf[0]);
return(1);

8
ssl/s3_lib.c
View File

@ -758,14 +758,14 @@ void ssl3_clear(SSL *s)
rp = s->s3->rbuf.buf;
wp = s->s3->wbuf.buf;
rlen = s->s3->rbuf.len;
wlen = s->s3->wbuf.len;
rlen = s->s3->rbuf_len;
wlen = s->s3->wbuf_len;
memset(s->s3,0,sizeof *s->s3);
s->s3->rbuf.buf = rp;
s->s3->wbuf.buf = wp;
s->s3->rbuf.len = rlen;
s->s3->wbuf.len = wlen;
s->s3->rbuf_len = rlen;
s->s3->wbuf_len = wlen;
ssl_free_wbio_buffer(s);

8
ssl/s3_pkt.c
View File

@ -162,7 +162,7 @@ static int ssl3_read_n(SSL *s, int n, int max, int extend)
{
/* avoid buffer overflow */
int max_max = s->s3->rbuf.len - s->packet_length;
int max_max = s->s3->rbuf_len - s->packet_length;
if (max > max_max)
max = max_max;
}
@ -245,7 +245,7 @@ static int ssl3_get_record(SSL *s)
extra=SSL3_RT_MAX_EXTRA;
else
extra=0;
if (extra != (s->s3->rbuf.len - SSL3_RT_MAX_PACKET_SIZE))
if (extra != (s->s3->rbuf_len - SSL3_RT_MAX_PACKET_SIZE))
{
/* actually likely an application error: SLS_OP_MICROSOFT_BIG_SSLV3_BUFFER
* set after ssl3_setup_buffers() was done */
@ -258,7 +258,7 @@ again:
if ( (s->rstate != SSL_ST_READ_BODY) ||
(s->packet_length < SSL3_RT_HEADER_LENGTH))
{
n=ssl3_read_n(s, SSL3_RT_HEADER_LENGTH, s->s3->rbuf.len, 0);
n=ssl3_read_n(s, SSL3_RT_HEADER_LENGTH, s->s3->rbuf_len, 0);
if (n <= 0) return(n); /* error or non-blocking */
s->rstate=SSL_ST_READ_BODY;
@ -605,7 +605,7 @@ static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
if (prefix_len <= 0)
goto err;
if (s->s3->wbuf.len < prefix_len + SSL3_RT_MAX_PACKET_SIZE)
if (s->s3->wbuf_len < prefix_len + SSL3_RT_MAX_PACKET_SIZE)
{
/* insufficient space */
SSLerr(SSL_F_DO_SSL3_WRITE, SSL_R_INTERNAL_ERROR);

21
ssl/ssl3.h
View File

@ -252,19 +252,13 @@ typedef struct ssl3_record_st
/*r */ unsigned char *comp; /* only used with decompression - malloc()ed */
} SSL3_RECORD;
/* 'dummy' variant for binary compatibility ... */
typedef struct dummy_ssl3_buffer_st
{
unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes,
* see ssl3_setup_buffers() */
int offset; /* where to 'copy from' */
int left; /* how many bytes left */
} DUMMY_SSL3_BUFFER;
typedef struct ssl3_buffer_st
{
unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes,
* see ssl3_setup_buffers() */
#if 0 /* put directly into SSL3_STATE for best possible binary compatibility within 0.9.6 series */
size_t len; /* buffer size */
#endif
int offset; /* where to 'copy from' */
int left; /* how many bytes left */
} SSL3_BUFFER;
@ -296,11 +290,8 @@ typedef struct ssl3_state_st
unsigned char server_random[SSL3_RANDOM_SIZE];
unsigned char client_random[SSL3_RANDOM_SIZE];
/* dummies for best possible binary compatibility within 0.9.6 series
* (indexes to other struct members should remain unchanged);
* real 'rbuf' and 'wbuf' are added at the end of this struct */
DUMMY_SSL3_BUFFER dummy_rbuf;
DUMMY_SSL3_BUFFER dummy_wbuf;
SSL3_BUFFER rbuf; /* read IO goes into here */
SSL3_BUFFER wbuf; /* write IO goes into here */
SSL3_RECORD rrec; /* each decoded record goes in here */
SSL3_RECORD wrec; /* goes out from here */
@ -390,8 +381,8 @@ typedef struct ssl3_state_st
int need_empty_fragments;
int empty_fragment_done;
SSL3_BUFFER rbuf; /* read IO goes into here */
SSL3_BUFFER wbuf; /* write IO goes into here */
size_t rbuf_len; /* substitute for rbuf.len */
size_t wbuf_len; /* substitute for wbuf.len */
} SSL3_STATE;