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Add NULL checks to crypto free functions.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@380 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-03 12:48:45 +00:00
parent 8485c87cf2
commit 2791ce7e01
1 changed files with 7 additions and 0 deletions
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7
libssh/wrapper.c
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@@ -466,6 +466,10 @@ static void cipher_free(struct crypto_struct *cipher){
#ifdef HAVE_LIBGCRYPT #ifdef HAVE_LIBGCRYPT
unsigned int i; unsigned int i;
#endif #endif
if (cipher == NULL) {
return;
}
if(cipher->key){ if(cipher->key){
#ifdef HAVE_LIBGCRYPT #ifdef HAVE_LIBGCRYPT
for (i=0;i<cipher->keylen/sizeof (gcry_cipher_hd_t);i++) for (i=0;i<cipher->keylen/sizeof (gcry_cipher_hd_t);i++)
@@ -493,6 +497,9 @@ CRYPTO *crypto_new(void) {
} }
void crypto_free(CRYPTO *crypto){ void crypto_free(CRYPTO *crypto){
if (crypto == NULL) {
return;
}
if(crypto->server_pubkey) if(crypto->server_pubkey)
free(crypto->server_pubkey); free(crypto->server_pubkey);
if(crypto->in_cipher) if(crypto->in_cipher)