gfwleak/tango-fw-dns-plug
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调整cname的凭借方式，使用JSON实现

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This commit is contained in:
liuxueli
2019-12-09 11:18:35 +08:00
parent b3294f80bb
commit 6c6ba3f3bf
1 changed files with 17 additions and 9 deletions
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26
src/fw_dns_plug.cpp
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@@ -14,7 +14,7 @@
char *g_fw_dns_conffile=(char *)"tsgconf/main.conf";
char FW_DNS_PLUG_VERSION_20191206=0;
char FW_DNS_PLUG_VERSION_20191209=0;
struct _fw_dns_plug g_fw_dns_plug_info;
enum TSG_ETHOD_TYPE
@@ -288,10 +288,9 @@ static int fw_dns_send_log(struct streaminfo *a_stream, dns_info_t *dns_info, st
int i=0;
dns_rr_t *rr=NULL;
tsg_log_t log_msg;
int cname_use_len=0,dns_sec=1;
int dns_sec=1;
struct TLD_handle_t *handle=NULL;
char cname[4096]={0},*rr_buf=NULL;
int cname_size=sizeof(cname);
char *cname=NULL,*rr_buf=NULL;
handle=TLD_create(thread_seq);
@@ -315,21 +314,30 @@ static int fw_dns_send_log(struct streaminfo *a_stream, dns_info_t *dns_info, st
TLD_append(handle, (char *)"dns_qclass", (void *)(long)dns_info->query_question.qclass, TLD_TYPE_LONG);
}
cJSON *item=NULL;
cJSON *cname_array=cJSON_CreateArray();
for(i=0; i<dns_info->rr_count && dns_info->rr != NULL; i++)
{
rr = &dns_info->rr[i];
if(rr!=NULL && rr->type==DNS_TYPE_CNAME)
{
if(rr->rdata.cname != NULL && cname_size-cname_use_len > (int)strlen((const char *)rr->rdata.cname))
if(rr->rdata.cname != NULL)
{
snprintf(cname+cname_use_len, cname_size-cname_use_len, "%s,", rr->rdata.cname);
cname_use_len += strlen((const char *)rr->rdata.cname);
item=cJSON_CreateString((const char *)rr->rdata.cname);
cJSON_AddItemToArray(cname_array, item);
}
}
}
TLD_append(handle, (char *)"dns_cname", (void *)cname, TLD_TYPE_STRING);
cname=cJSON_PrintUnformatted(cname_array);
if(strlen(cname)>0)
{
TLD_append(handle, (char *)"dns_cname", (void *)cname, TLD_TYPE_STRING);
free(cname);
}
cJSON_Delete(cname_array);
cname_array=NULL;
cJSON * object=cJSON_CreateObject();
get_rr_str2json(object, dns_info, &dns_sec);
rr_buf=cJSON_PrintUnformatted(object);