DragonX/hush3
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Fix buffer overflow and reduce KMD men usage

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This commit is contained in:
jl777
2018-04-14 15:10:47 +03:00
parent b3119d36ca
commit 457b455787
1 changed files with 14 additions and 10 deletions
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24
src/komodo_events.h
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@@ -20,7 +20,7 @@
struct komodo_event *komodo_eventadd(struct komodo_state *sp,int32_t height,char *symbol,uint8_t type,uint8_t *data,uint16_t datalen)
{
struct komodo_event *ep=0; uint16_t len = (uint16_t)(sizeof(*ep) + datalen);
if ( sp != 0 )
if ( sp != 0 && ASSETCHAINS_SYMBOL[0] != 0 )
{
portable_mutex_lock(&komodo_mutex);
ep = (struct komodo_event *)calloc(1,len);
@@ -55,7 +55,7 @@ void komodo_eventadd_notarized(struct komodo_state *sp,char *symbol,int32_t heig
N.notarizedheight = notarizedheight;
N.MoM = MoM;
N.MoMdepth = MoMdepth;
strcpy(N.dest,dest);
strncpy(N.dest,dest,sizeof(N.dest)-1);
komodo_eventadd(sp,height,symbol,KOMODO_EVENT_NOTARIZED,(uint8_t *)&N,sizeof(N));
if ( sp != 0 )
komodo_notarized_update(sp,height,notarizedheight,notarized_hash,notarized_desttxid,MoM,MoMdepth);
@@ -77,18 +77,21 @@ void komodo_eventadd_pubkeys(struct komodo_state *sp,char *symbol,int32_t height
void komodo_eventadd_pricefeed(struct komodo_state *sp,char *symbol,int32_t height,uint32_t *prices,uint8_t num)
{
struct komodo_event_pricefeed F;
memset(&F,0,sizeof(F));
F.num = num;
memcpy(F.prices,prices,sizeof(*F.prices) * num);
komodo_eventadd(sp,height,symbol,KOMODO_EVENT_PRICEFEED,(uint8_t *)&F,(int32_t)(sizeof(F.num) + sizeof(*F.prices) * num));
if ( sp != 0 )
komodo_pvals(height,prices,num);
if ( num == sizeof(F.prices)/sizeof(*F.prices) )
{
memset(&F,0,sizeof(F));
F.num = num;
memcpy(F.prices,prices,sizeof(*F.prices) * num);
komodo_eventadd(sp,height,symbol,KOMODO_EVENT_PRICEFEED,(uint8_t *)&F,(int32_t)(sizeof(F.num) + sizeof(*F.prices) * num));
if ( sp != 0 )
komodo_pvals(height,prices,num);
} else fprintf(stderr,"skip pricefeed[%d]\n",num);
}
void komodo_eventadd_opreturn(struct komodo_state *sp,char *symbol,int32_t height,uint256 txid,uint64_t value,uint16_t vout,uint8_t *buf,uint16_t opretlen)
{
struct komodo_event_opreturn O; uint8_t opret[16384];
memset(&O,0,sizeof(O));
struct komodo_event_opreturn O; uint8_t *opret;
opretlen = (uint8_t *)calloc(1,sizeof(*O) + opretlen + 16);
O.txid = txid;
O.value = value;
O.vout = vout;
@@ -96,6 +99,7 @@ void komodo_eventadd_opreturn(struct komodo_state *sp,char *symbol,int32_t heigh
memcpy(&opret[sizeof(O)],buf,opretlen);
O.oplen = (int32_t)(opretlen + sizeof(O));
komodo_eventadd(sp,height,symbol,KOMODO_EVENT_OPRETURN,opret,O.oplen);
free(opret);
if ( sp != 0 )
komodo_opreturn(height,value,buf,opretlen,txid,vout,symbol);
}