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Remove last occurrence of potentially insecure function sprintf.

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%d can return up to 11 characters. Move away from fixed buffer completely and
use our own safe function strprintf.
This commit is contained in:
Wladimir J. van der Laan 2012-09-03 08:23:34 +02:00
parent eaf00a3a5d
commit 9c80909452
1 changed files with 8 additions and 10 deletions
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18
src/net.cpp
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@ -1020,9 +1020,7 @@ void ThreadMapPort2(void* parg)
{
printf("ThreadMapPort started\n");
char port[6];
sprintf(port, "%d", GetListenPort());
std::string port = strprintf("%d", GetListenPort());
const char * multicastif = 0;
const char * minissdpdpath = 0;
struct UPNPDev * devlist = 0;
@ -1065,23 +1063,23 @@ void ThreadMapPort2(void* parg)
#ifndef UPNPDISCOVER_SUCCESS
/* miniupnpc 1.5 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
port, port, lanaddr, strDesc.c_str(), "TCP", 0);
port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0);
#else
/* miniupnpc 1.6 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0, "0");
#endif
if(r!=UPNPCOMMAND_SUCCESS)
printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
port, port, lanaddr, r, strupnperror(r));
port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
else
printf("UPnP Port Mapping successful.\n");
int i = 1;
loop {
if (fShutdown || !fUseUPnP)
{
r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port, "TCP", 0);
r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port.c_str(), "TCP", 0);
printf("UPNP_DeletePortMapping() returned : %d\n", r);
freeUPNPDevlist(devlist); devlist = 0;
FreeUPNPUrls(&urls);
@ -1092,16 +1090,16 @@ void ThreadMapPort2(void* parg)
#ifndef UPNPDISCOVER_SUCCESS
/* miniupnpc 1.5 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
port, port, lanaddr, strDesc.c_str(), "TCP", 0);
port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0);
#else
/* miniupnpc 1.6 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0, "0");
#endif
if(r!=UPNPCOMMAND_SUCCESS)
printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
port, port, lanaddr, r, strupnperror(r));
port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
else
printf("UPnP Port Mapping successful.\n");;
}