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Fix memory leak when compression is used

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Signed-off-by: Mark Riordan <mriordan@ipswitch.com>
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Mark Riordan
2011-05-18 16:18:39 -05:00
committed by Andreas Schneider
parent 809b3adeba
commit dcea8db6b2
1 changed files with 17 additions and 1 deletions
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18
src/wrapper.c
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@@ -38,6 +38,10 @@
#include <stdio.h>
#include <string.h>
#ifdef WITH_LIBZ
#include <zlib.h>
#endif
#include "libssh/priv.h"
#include "libssh/session.h"
#include "libssh/crypto.h"
@@ -82,7 +86,7 @@ static void cipher_free(struct crypto_struct *cipher) {
}
struct ssh_crypto_struct *crypto_new(void) {
struct ssh_crypto_struct *crypto;
struct ssh_crypto_struct *crypto;
crypto = malloc(sizeof(struct ssh_crypto_struct));
if (crypto == NULL) {
@@ -108,6 +112,18 @@ void crypto_free(struct ssh_crypto_struct *crypto){
bignum_free(crypto->y);
bignum_free(crypto->k);
/* lot of other things */
#ifdef WITH_LIBZ
if (crypto->compress_out_ctx &&
(deflateEnd(crypto->compress_out_ctx) != 0)) {
inflateEnd(crypto->compress_out_ctx);
}
if (crypto->compress_in_ctx &&
(deflateEnd(crypto->compress_in_ctx) != 0)) {
inflateEnd(crypto->compress_in_ctx);
}
#endif
/* i'm lost in my own code. good work */
memset(crypto,0,sizeof(*crypto));