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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-03-22 20:11:09 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-03-22 20:11:09 +0100
commita4013251854b88cacf4eeb221c36e696f468ed64 (patch)
treee5c7fcb71b5e5910dfb879c22088424863675767 /netwerk/protocol/http/TunnelUtils.cpp
parent8ca6744b2ff05ef91d74e950f387df63b0306925 (diff)
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Return proper error if the nss layer encounters an error on the http
tunnel.
Diffstat (limited to 'netwerk/protocol/http/TunnelUtils.cpp')
-rw-r--r--netwerk/protocol/http/TunnelUtils.cpp43
1 files changed, 23 insertions, 20 deletions
diff --git a/netwerk/protocol/http/TunnelUtils.cpp b/netwerk/protocol/http/TunnelUtils.cpp
index 71adef9d7..6880e0187 100644
--- a/netwerk/protocol/http/TunnelUtils.cpp
+++ b/netwerk/protocol/http/TunnelUtils.cpp
@@ -43,6 +43,7 @@ TLSFilterTransaction::TLSFilterTransaction(nsAHttpTransaction *aWrapped,
, mSegmentReader(aReader)
, mSegmentWriter(aWriter)
, mForce(false)
+ , mReadSegmentReturnValue(NS_OK)
, mNudgeCounter(0)
{
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
@@ -154,7 +155,7 @@ TLSFilterTransaction::OnReadSegment(const char *aData,
LOG(("TLSFilterTransaction %p OnReadSegment %d (buffered %d)\n",
this, aCount, mEncryptedTextUsed));
- mReadSegmentBlocked = false;
+ mReadSegmentReturnValue = NS_OK;
MOZ_ASSERT(mSegmentReader);
if (!mSecInfo) {
return NS_ERROR_FAILURE;
@@ -202,17 +203,12 @@ TLSFilterTransaction::OnReadSegment(const char *aData,
return NS_OK;
}
// mTransaction ReadSegments actually obscures this code, so
- // keep it in a member var for this::ReadSegments to insepct. Similar
+ // keep it in a member var for this::ReadSegments to inspect. Similar
// to nsHttpConnection::mSocketOutCondition
PRErrorCode code = PR_GetError();
- mReadSegmentBlocked = (code == PR_WOULD_BLOCK_ERROR);
- if (mReadSegmentBlocked) {
- return NS_BASE_STREAM_WOULD_BLOCK;
- }
+ mReadSegmentReturnValue = ErrorAccordingToNSPR(code);
- nsresult rv = ErrorAccordingToNSPR(code);
- Close(rv);
- return rv;
+ return mReadSegmentReturnValue;
}
aCount -= written;
aData += written;
@@ -298,9 +294,14 @@ TLSFilterTransaction::OnWriteSegment(char *aData,
if (code == PR_WOULD_BLOCK_ERROR) {
return NS_BASE_STREAM_WOULD_BLOCK;
}
- nsresult rv = ErrorAccordingToNSPR(code);
- Close(rv);
- return rv;
+ // If reading from the socket succeeded (NS_SUCCEEDED(mFilterReadCode)),
+ // but the nss layer encountered an error remember the error.
+ if (NS_SUCCEEDED(mFilterReadCode)) {
+ mFilterReadCode = ErrorAccordingToNSPR(code);
+ LOG(("TLSFilterTransaction::OnWriteSegment %p nss error %" PRIx32 ".\n",
+ this, static_cast<uint32_t>(mFilterReadCode)));
+ }
+ return mFilterReadCode;
}
*outCountRead = bytesRead;
@@ -327,7 +328,7 @@ TLSFilterTransaction::FilterInput(char *aBuf, int32_t aAmount)
if (NS_SUCCEEDED(mFilterReadCode) && outCountRead) {
LOG(("TLSFilterTransaction::FilterInput rv=%x read=%d input from net "
"1 layer stripped, 1 still on\n", mFilterReadCode, outCountRead));
- if (mReadSegmentBlocked) {
+ if (mReadSegmentReturnValue == NS_BASE_STREAM_WOULD_BLOCK) {
mNudgeCounter = 0;
}
}
@@ -349,19 +350,18 @@ TLSFilterTransaction::ReadSegments(nsAHttpSegmentReader *aReader,
return NS_ERROR_UNEXPECTED;
}
- mReadSegmentBlocked = false;
+ mReadSegmentReturnValue = NS_OK;
mSegmentReader = aReader;
nsresult rv = mTransaction->ReadSegments(this, aCount, outCountRead);
LOG(("TLSFilterTransaction %p called trans->ReadSegments rv=%x %d\n",
this, rv, *outCountRead));
- if (NS_SUCCEEDED(rv) && mReadSegmentBlocked) {
- rv = NS_BASE_STREAM_WOULD_BLOCK;
+ if (NS_SUCCEEDED(rv) && (mReadSegmentReturnValue == NS_BASE_STREAM_WOULD_BLOCK)) {
LOG(("TLSFilterTransaction %p read segment blocked found rv=%x\n",
- this, rv));
+ this, static_cast<uint32_t>(rv)));
Connection()->ForceSend();
}
- return rv;
+ return NS_SUCCEEDED(rv) ? mReadSegmentReturnValue : rv;
}
nsresult
@@ -466,7 +466,10 @@ TLSFilterTransaction::Notify(nsITimer *timer)
if (timer != mTimer) {
return NS_ERROR_UNEXPECTED;
}
- StartTimerCallback();
+ nsresult rv = StartTimerCallback();
+ if (NS_FAILED(rv)) {
+ Close(rv);
+ }
return NS_OK;
}
@@ -480,7 +483,7 @@ TLSFilterTransaction::StartTimerCallback()
// This class can be called re-entrantly, so cleanup m* before ->on()
RefPtr<NudgeTunnelCallback> cb(mNudgeCallback);
mNudgeCallback = nullptr;
- cb->OnTunnelNudged(this);
+ return cb->OnTunnelNudged(this);
}
return NS_OK;
}