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Merge pull request #89897 from alesliehughes/upnp_memory_leak

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UPNP: Use local variable for UPNPUrls to stop memory leak.
This commit is contained in:
Rémi Verschelde 2024-04-06 13:06:28 +02:00
commit d619ffdb75
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GPG Key ID: C3336907360768E1
2 changed files with 10 additions and 23 deletions
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4
modules/upnp/doc_classes/UPNPDevice.xml
View File

@ -71,7 +71,7 @@
<constant name="IGD_STATUS_HTTP_EMPTY" value="2" enum="IGDStatus">
Empty HTTP response.
</constant>
<constant name="IGD_STATUS_NO_URLS" value="3" enum="IGDStatus">
<constant name="IGD_STATUS_NO_URLS" value="3" enum="IGDStatus" deprecated="This value is no longer used.">
Returned response contained no URLs.
</constant>
<constant name="IGD_STATUS_NO_IGD" value="4" enum="IGDStatus">
@ -86,7 +86,7 @@
<constant name="IGD_STATUS_INVALID_CONTROL" value="7" enum="IGDStatus">
Invalid control.
</constant>
<constant name="IGD_STATUS_MALLOC_ERROR" value="8" enum="IGDStatus">
<constant name="IGD_STATUS_MALLOC_ERROR" value="8" enum="IGDStatus" deprecated="This value is no longer used.">
Memory allocation error.
</constant>
<constant name="IGD_STATUS_UNKNOWN_ERROR" value="9" enum="IGDStatus">

29
modules/upnp/upnp.cpp
View File

@ -121,33 +121,20 @@ void UPNP::parse_igd(Ref<UPNPDevice> dev, UPNPDev *devlist) {
return;
}
struct UPNPUrls *urls = (UPNPUrls *)malloc(sizeof(struct UPNPUrls));
if (!urls) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_MALLOC_ERROR);
return;
}
struct UPNPUrls urls = {};
struct IGDdatas data;
memset(urls, 0, sizeof(struct UPNPUrls));
parserootdesc(xml, size, &data);
free(xml);
xml = nullptr;
GetUPNPUrls(urls, &data, dev->get_description_url().utf8().get_data(), 0);
if (!urls) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_NO_URLS);
return;
}
GetUPNPUrls(&urls, &data, dev->get_description_url().utf8().get_data(), 0);
char addr[16];
int i = UPNP_GetValidIGD(devlist, urls, &data, (char *)&addr, 16);
int i = UPNP_GetValidIGD(devlist, &urls, &data, (char *)&addr, 16);
if (i != 1) {
FreeUPNPUrls(urls);
FreeUPNPUrls(&urls);
switch (i) {
case 0:
@ -165,18 +152,18 @@ void UPNP::parse_igd(Ref<UPNPDevice> dev, UPNPDev *devlist) {
}
}
if (urls->controlURL[0] == '\0') {
FreeUPNPUrls(urls);
if (urls.controlURL[0] == '\0') {
FreeUPNPUrls(&urls);
dev->set_igd_status(UPNPDevice::IGD_STATUS_INVALID_CONTROL);
return;
}
dev->set_igd_control_url(urls->controlURL);
dev->set_igd_control_url(urls.controlURL);
dev->set_igd_service_type(data.first.servicetype);
dev->set_igd_our_addr(addr);
dev->set_igd_status(UPNPDevice::IGD_STATUS_OK);
FreeUPNPUrls(urls);
FreeUPNPUrls(&urls);
}
int UPNP::upnp_result(int in) {