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curl_schannel.c: fix possible dereference of null pointer

This commit is contained in:
Marc Hoersken 2014-04-18 22:36:12 +02:00
parent 0115ec2f13
commit a703914e60

View File

@ -310,6 +310,9 @@ schannel_connect_step2(struct connectdata *conn, int sockindex)
infof(data, "schannel: SSL/TLS connection with %s port %hu (step 2/3)\n",
conn->host.name, conn->remote_port);
if(!connssl->cred || !connssl->ctxt)
return CURLE_SSL_CONNECT_ERROR;
/* buffer to store previously received and encrypted data */
if(connssl->encdata_buffer == NULL) {
connssl->encdata_offset = 0;
@ -508,6 +511,9 @@ schannel_connect_step3(struct connectdata *conn, int sockindex)
infof(data, "schannel: SSL/TLS connection with %s port %hu (step 3/3)\n",
conn->host.name, conn->remote_port);
if(!connssl->cred)
return CURLE_SSL_CONNECT_ERROR;
/* check if the required context attributes are met */
if(connssl->ret_flags != connssl->req_flags) {
if(!(connssl->ret_flags & ISC_RET_SEQUENCE_DETECT))