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* https://opensource.apple.com/tarballs/mDNSResponder/mDNSResponder-${PV}.tar.gz is just redirect to unsafe github archives which are regenerated from time to time. * We do have src-uri-bad QA check which prevents to use github archives in SRC_URI since 2019:21f84fcdd6but this cannot catch such redirects, see: $ wget https://opensource.apple.com/tarballs/mDNSResponder/mDNSResponder-878.30.4.tar.gz --2023-01-31 10:06:02-- https://opensource.apple.com/tarballs/mDNSResponder/mDNSResponder-878.30.4.tar.gz Resolving opensource.apple.com (opensource.apple.com)... 17.253.73.203, 17.253.73.206, 2a01:b740:a26:f000::5, ... Connecting to opensource.apple.com (opensource.apple.com)|17.253.73.203|:443... connected. HTTP request sent, awaiting response... 302 Redirect Location: https://github.com/apple-oss-distributions/mDNSResponder/archive/refs/tags/mDNSResponder-878.30.4.tar.gz [following] --2023-01-31 10:06:02-- https://github.com/apple-oss-distributions/mDNSResponder/archive/refs/tags/mDNSResponder-878.30.4.tar.gz Resolving github.com (github.com)... 140.82.121.3 Connecting to github.com (github.com)|140.82.121.3|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/apple-oss-distributions/mDNSResponder/tar.gz/refs/tags/mDNSResponder-878.30.4 [following] --2023-01-31 10:06:02-- https://codeload.github.com/apple-oss-distributions/mDNSResponder/tar.gz/refs/tags/mDNSResponder-878.30.4 Resolving codeload.github.com (codeload.github.com)... 140.82.121.10 Connecting to codeload.github.com (codeload.github.com)|140.82.121.10|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [application/x-gzip] Saving to: ?mDNSResponder-878.30.4.tar.gz? * The tarball was regenerated recently as discussed in: https://github.com/orgs/community/discussions/45830 * Use top-level directory in S to fix DEBUG_PREFIX_MAP usage like the version in master does, the only exception here is that there still was top-level Makefile (which fails to set VER with: Makefile:26: *** missing separator. Stop. so use the simple one like newer version in master) * it's already included in master as part of version upgrade in:ec96eb577bSigned-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Armin Kuster <akuster808@gmail.com>
63 lines
2.4 KiB
Diff
63 lines
2.4 KiB
Diff
From 382b3b924e43abd1bdc5792918161d0922666691 Mon Sep 17 00:00:00 2001
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From: Nate Karstens <nate.karstens@garmin.com>
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Date: Thu, 10 Aug 2017 08:27:32 -0500
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Subject: [PATCH 10/11] Handle errors from socket calls
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Adds handling for socket() or read() returning a
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negative value (indicating an error has occurred).
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Upstream-Status: Submitted [dts@apple.com]
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Signed-off-by: Nate Karstens <nate.karstens@garmin.com>
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---
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mDNSPosix/mDNSPosix.c | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/mDNSPosix/mDNSPosix.c b/mDNSPosix/mDNSPosix.c
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index 3243ed4..84af26b 100644
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--- a/mDNSPosix/mDNSPosix.c
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+++ b/mDNSPosix/mDNSPosix.c
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@@ -1129,7 +1129,7 @@ mDNSlocal void ProcessRoutingNotification(int sd, GenLinkedList *change
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// Read through the messages on sd and if any indicate that any interface records should
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// be torn down and rebuilt, return affected indices as a bitmask. Otherwise return 0.
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{
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- ssize_t readCount;
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+ ssize_t readVal, readCount;
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char buff[4096];
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struct nlmsghdr *pNLMsg = (struct nlmsghdr*) buff;
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@@ -1138,7 +1138,10 @@ mDNSlocal void ProcessRoutingNotification(int sd, GenLinkedList *change
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// enough to hold all pending data and so avoid message fragmentation.
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// (Note that FIONREAD is not supported on AF_NETLINK.)
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- readCount = read(sd, buff, sizeof buff);
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+ readVal = read(sd, buff, sizeof buff);
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+ if (readVal < 0) return;
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+ readCount = readVal;
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+
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while (1)
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{
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// Make sure we've got an entire nlmsghdr in the buffer, and payload, too.
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@@ -1154,7 +1157,9 @@ mDNSlocal void ProcessRoutingNotification(int sd, GenLinkedList *change
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pNLMsg = (struct nlmsghdr*) buff;
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// read more data
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- readCount += read(sd, buff + readCount, sizeof buff - readCount);
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+ readVal = read(sd, buff + readCount, sizeof buff - readCount);
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+ if (readVal < 0) return;
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+ readCount += readVal;
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continue; // spin around and revalidate with new readCount
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}
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else
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@@ -1429,6 +1434,7 @@ mDNSlocal mDNSBool mDNSPlatformInit_CanReceiveUnicast(void)
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int err;
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int s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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struct sockaddr_in s5353;
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+ if (s < 0) return mDNSfalse;
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s5353.sin_family = AF_INET;
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s5353.sin_port = MulticastDNSPort.NotAnInteger;
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s5353.sin_addr.s_addr = 0;
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--
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2.17.1
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