/**
发送502消息
@param skb 原始的sk_buff结构地址
@return 成功返回 ADV_KILL_OK，失败返回 ADV_KILL_FAIL。
*/
int send_client_bad_gateway(struct sk_buff *skb)
{
if(!skb)
return ADV_KILL_FAIL;
return pkg_skbuff_dev_xmit(skb, HTTP_BAD_GATEWAY, HTTP_BAD_GATEWAY_STR_LEN);
}
/**
发送404消息
@param skb 原始的sk_buff结构地址
@return 成功返回 ADV_KILL_OK，失败返回 ADV_KILL_FAIL。
*/
int send_client_notfound(struct sk_buff *skb)
{
if(!skb)
return ADV_KILL_FAIL;
return pkg_skbuff_dev_xmit(skb, HTTP_NOT_FOUND_STR, HTTP_NOT_FOUND_STR_LEN);
}
/**
根据location发送302消息
@param skb 原始的sk_buff结构地址
@param location 需要发送的location内容
@return 成功返回 ADV_KILL_OK，失败返回 ADV_KILL_FAIL。
*/
int send_client_location(struct sk_buff *skb, char *location)
{
char *tcpdata = NULL;
int tcpdatalen = 0;
if(!location || !skb)
return ADV_KILL_FAIL;
tcpdata = http_location_str_generate(&tcpdatalen, location);
if (tcpdata == NULL)
{
return ADV_KILL_FAIL;
}
pkg_skbuff_dev_xmit(skb, tcpdata, tcpdatalen);
ADVKILL_FREE(tcpdata, tcpdatalen+1);
return ADV_KILL_OK;
}
/*
发送伪造的HTTP200响应
@param skb 原始的sk_buff结构地址 CType Content-Type Cont 网页内容
@return 成功返回 ADV_KILL_OK，失败返回 ADV_KILL_FAIL。
HTTP/1.1 200 OK\r\n
Server: QWS\r\n
Content-Type: text/xml\r\n
Content-Length: 125\r\n
Connection: close\r\n
Accept-Ranges: bytes\r\n\r\n
*/
int send_client_fake_message(struct sk_buff *skb, const char * CType, const char * Cont)
{
char *new_data = NULL;
int retval = 0, datlen = 0;
if(!skb)
return ADV_KILL_FAIL;
datlen = strlen(CType)+strlen(Cont)+120;
new_data = (char *)ADVKILL_CALLOC(1, datlen);
if(new_data==NULL)
return ADV_KILL_FAIL;
sprintf(new_data,"HTTP/1.1 200 OK\r\nServer: QWS\r\nContent-Type: %s\r\nContent-Length: %d\r\nConnection: close\r\nAccept-Ranges: bytes\r\n\r\n%s",CType,strlen(Cont),Cont);
retval=pkg_skbuff_dev_xmit(skb, new_data, strlen(new_data));
ADVKILL_FREE(new_data, datlen);
return retval;
}
