wbrawner/openssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix the zlib config option

Browse source 
The zlib config option was broken by the BIO opacity changes.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Matt Caswell 2016-03-29 23:20:32 +01:00
parent 6be630b9c5
commit 222e620baf
1 changed files with 31 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
crypto/comp/c_zlib.c
View file

@ -58,7 +58,8 @@
#include <openssl/objects.h>
#include <openssl/comp.h>
#include <openssl/err.h>
#include <internal/cryptlib_int.h>
#include "internal/cryptlib_int.h"
#include "internal/bio.h"
#include "comp_lcl.h"
COMP_METHOD *COMP_zlib(void);
@ -371,9 +372,9 @@ static int bio_zlib_new(BIO *bi)
ctx->zout.zalloc = Z_NULL;
ctx->zout.zfree = Z_NULL;
ctx->comp_level = Z_DEFAULT_COMPRESSION;
bi->init = 1;
bi->ptr = (char *)ctx;
bi->flags = 0;
BIO_set_init(bi, 1);
BIO_set_data(bi, ctx);
return 1;
}
@ -382,7 +383,7 @@ static int bio_zlib_free(BIO *bi)
BIO_ZLIB_CTX *ctx;
if (!bi)
return 0;
ctx = (BIO_ZLIB_CTX *) bi->ptr;
ctx = BIO_get_data(bi);
if (ctx->ibuf) {
/* Destroy decompress context */
inflateEnd(&ctx->zin);
@ -394,9 +395,9 @@ static int bio_zlib_free(BIO *bi)
OPENSSL_free(ctx->obuf);
}
OPENSSL_free(ctx);
bi->ptr = NULL;
bi->init = 0;
bi->flags = 0;
BIO_set_data(bi, NULL);
BIO_set_init(bi, 0);
return 1;
}
@ -405,9 +406,11 @@ static int bio_zlib_read(BIO *b, char *out, int outl)
BIO_ZLIB_CTX *ctx;
int ret;
z_stream *zin;
BIO *next = BIO_next(b);
if (!out || !outl)
return 0;
ctx = (BIO_ZLIB_CTX *) b->ptr;
ctx = BIO_get_data(b);
zin = &ctx->zin;
BIO_clear_retry_flags(b);
if (!ctx->ibuf) {
@ -442,7 +445,7 @@ static int bio_zlib_read(BIO *b, char *out, int outl)
* No data in input buffer try to read some in, if an error then
* return the total data read.
*/
ret = BIO_read(b->next_bio, ctx->ibuf, ctx->ibufsize);
ret = BIO_read(next, ctx->ibuf, ctx->ibufsize);
if (ret <= 0) {
/* Total data read */
int tot = outl - zin->avail_out;
@ -461,9 +464,11 @@ static int bio_zlib_write(BIO *b, const char *in, int inl)
BIO_ZLIB_CTX *ctx;
int ret;
z_stream *zout;
BIO *next = BIO_next(b);
if (!in || !inl)
return 0;
ctx = (BIO_ZLIB_CTX *) b->ptr;
ctx = BIO_get_data(b);
if (ctx->odone)
return 0;
zout = &ctx->zout;
@ -487,7 +492,7 @@ static int bio_zlib_write(BIO *b, const char *in, int inl)
for (;;) {
/* If data in output buffer write it first */
while (ctx->ocount) {
ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount);
ret = BIO_write(next, ctx->optr, ctx->ocount);
if (ret <= 0) {
/* Total data written */
int tot = inl - zout->avail_in;
@ -526,7 +531,9 @@ static int bio_zlib_flush(BIO *b)
BIO_ZLIB_CTX *ctx;
int ret;
z_stream *zout;
ctx = (BIO_ZLIB_CTX *) b->ptr;
BIO *next = BIO_next(b);
ctx = BIO_get_data(b);
/* If no data written or already flush show success */
if (!ctx->obuf || (ctx->odone && !ctx->ocount))
return 1;
@ -538,7 +545,7 @@ static int bio_zlib_flush(BIO *b)
for (;;) {
/* If data in output buffer write it first */
while (ctx->ocount) {
ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount);
ret = BIO_write(next, ctx->optr, ctx->ocount);
if (ret <= 0) {
BIO_copy_next_retry(b);
return ret;
@ -573,9 +580,11 @@ static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
BIO_ZLIB_CTX *ctx;
int ret, *ip;
int ibs, obs;
if (!b->next_bio)
BIO *next = BIO_next(b);
if (next == NULL)
return 0;
ctx = (BIO_ZLIB_CTX *) b->ptr;
ctx = BIO_get_data(b);
switch (cmd) {
case BIO_CTRL_RESET:
@ -587,7 +596,7 @@ static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
case BIO_CTRL_FLUSH:
ret = bio_zlib_flush(b);
if (ret > 0)
ret = BIO_flush(b->next_bio);
ret = BIO_flush(next);
break;
case BIO_C_SET_BUFF_SIZE:
@ -620,12 +629,12 @@ static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
case BIO_C_DO_STATE_MACHINE:
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
ret = BIO_ctrl(next, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
default:
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
ret = BIO_ctrl(next, cmd, num, ptr);
break;
}
@ -635,9 +644,10 @@ static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
static long bio_zlib_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
{
if (!b->next_bio)
BIO *next = BIO_next(b);
if (next == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
return BIO_callback_ctrl(next, cmd, fp);
}
#endif