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fix compliance issue on 64bit machines 

ui4 values should wrap to 0 after overflowing (2^32 - 1)
This commit is contained in:
Thomas Bernard 2016-02-19 11:59:52 +01:00
parent 0f7747496d
commit 19ee0577e3
1 changed files with 24 additions and 0 deletions
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24
miniupnpd/upnpsoap.c
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@ -99,6 +99,9 @@ GetConnectionTypeInfo(struct upnphttp * h, const char * action, const char * ns)
BuildSendAndCloseSoapResp(h, body, bodylen);
}
/* maximum value for a UPNP ui4 type variable */
#define UPNP_UI4_MAX (4294967295ul)
static void
GetTotalBytesSent(struct upnphttp * h, const char * action, const char * ns)
{
@ -117,7 +120,11 @@ GetTotalBytesSent(struct upnphttp * h, const char * action, const char * ns)
r = getifstats(ext_if_name, &data);
bodylen = snprintf(body, sizeof(body), resp,
action, ns, /* was "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1" */
#ifdef UPNP_STRICT
r<0?0:(data.obytes & UPNP_UI4_MAX), action);
#else /* UPNP_STRICT */
r<0?0:data.obytes, action);
#endif /* UPNP_STRICT */
BuildSendAndCloseSoapResp(h, body, bodylen);
}
@ -137,9 +144,18 @@ GetTotalBytesReceived(struct upnphttp * h, const char * action, const char * ns)
struct ifdata data;
r = getifstats(ext_if_name, &data);
/* TotalBytesReceived
* This variable represents the cumulative counter for total number of
* bytes received downstream across all connection service instances on
* WANDevice. The count rolls over to 0 after it reaching the maximum
* value (2^32)-1. */
bodylen = snprintf(body, sizeof(body), resp,
action, ns, /* was "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1" */
#ifdef UPNP_STRICT
r<0?0:(data.ibytes & UPNP_UI4_MAX), action);
#else /* UPNP_STRICT */
r<0?0:data.ibytes, action);
#endif /* UPNP_STRICT */
BuildSendAndCloseSoapResp(h, body, bodylen);
}
@ -161,7 +177,11 @@ GetTotalPacketsSent(struct upnphttp * h, const char * action, const char * ns)
r = getifstats(ext_if_name, &data);
bodylen = snprintf(body, sizeof(body), resp,
action, ns,/*"urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1",*/
#ifdef UPNP_STRICT
r<0?0:(data.opackets & UPNP_UI4_MAX), action);
#else /* UPNP_STRICT */
r<0?0:data.opackets, action);
#endif /* UPNP_STRICT */
BuildSendAndCloseSoapResp(h, body, bodylen);
}
@ -183,7 +203,11 @@ GetTotalPacketsReceived(struct upnphttp * h, const char * action, const char * n
r = getifstats(ext_if_name, &data);
bodylen = snprintf(body, sizeof(body), resp,
action, ns, /* was "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1" */
#ifdef UPNP_STRICT
r<0?0:(data.ipackets & UPNP_UI4_MAX), action);
#else /* UPNP_STRICT */
r<0?0:data.ipackets, action);
#endif /* UPNP_STRICT */
BuildSendAndCloseSoapResp(h, body, bodylen);
}