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Add one missing memory error check in crypt.c.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@333 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-01 21:30:53 +00:00
parent fc73b0b33f
commit 10397d44db
1 changed files with 5 additions and 1 deletions
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4
libssh/crypt.c
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@@ -89,9 +89,13 @@ unsigned char * packet_encrypt(SSH_SESSION *session,void *data,u32 len){
crypto->set_encrypt_key(crypto,session->current_crypto->encryptkey); crypto->set_encrypt_key(crypto,session->current_crypto->encryptkey);
#endif #endif
out = malloc(len); out = malloc(len);
if (out == NULL) {
return NULL;
}
if(session->version==2){ if(session->version==2){
ctx = hmac_init(session->current_crypto->encryptMAC,20,HMAC_SHA1); ctx = hmac_init(session->current_crypto->encryptMAC,20,HMAC_SHA1);
if (ctx == NULL) { if (ctx == NULL) {
SAFE_FREE(out);
return NULL; return NULL;
} }
hmac_update(ctx,(unsigned char *)&seq,sizeof(u32)); hmac_update(ctx,(unsigned char *)&seq,sizeof(u32));