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Fix memory corruption with DNS lookups.

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Thanks @Mystler for finding and reporting this, and thanks @Hoikas for
investigating and confirming the fix.
This commit is contained in:
Darryl Pogue
2012-04-14 16:26:24 -07:00
parent 60aa7e421e
commit b1d65a194a
1 changed files with 5 additions and 14 deletions
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19
Sources/Plasma/NucleusLib/pnAsyncCoreExe/Private/Win32/pnAceW32Dns.cpp
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@ -88,9 +88,6 @@ static unsigned s_nextLookupCancelId = 1;
//===========================================================================
static void LookupProcess (Lookup * lookup, unsigned error) {
unsigned count = 0;
plNetAddress* addrs = nil;
if (error)
return;
@ -104,20 +101,14 @@ static void LookupProcess (Lookup * lookup, unsigned error) {
in_addr const * const * const inAddr = (in_addr **) host.h_addr_list;
// count the number of addresses
while (inAddr[count])
++count;
// allocate a buffer large enough to hold all the addresses
addrs = new plNetAddress[count];
size_t count = arrsize(inAddr);
plNetAddress* addrs = new plNetAddress[count];
// fill in address data
const uint16_t port = htons((uint16_t) lookup->port);
for (unsigned i = 0; i < count; ++i) {
sockaddr_in * inetaddr = (sockaddr_in *) &addrs[i];
inetaddr->sin_family = AF_INET;
inetaddr->sin_addr = *inAddr[i];
inetaddr->sin_port = port;
for (size_t i = 0; i < count; ++i) {
addrs[i].SetHost(inAddr[i]->S_un.S_addr);
addrs[i].SetPort(lookup->port);
}
if (host.h_name && host.h_name[0])