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Signed-off-by: guoguangwu <guoguangwug@gmail.com>
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Currently, Redis DEBUG PROTOCOL 'attrib' command will return an
attribute type, but hiredis doesn't support it yet. So it got the
protocol type error:
```
127.0.0.1:6379> DEBUG PROTOCOL attrib
Error: Protocol error, got "|" as reply type byte
```
After apply this PR, it should reply:
```
127.0.0.1:6379> DEBUG PROTOCOL attrib
1# "key-popularity"
1# 1) "key:123"
2) (integer) 90
```
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Fixes #1185
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We merged a fix for a "maybe uninitialized" warning in #1209, but after
merging there could actually have then been a double free.
The reason is that when compiling with NDEBUG our assert macro becomes a
no-op, meaning that execution would no longer stop after `assert(NULL)`.
This commit just adds a simple panic macro which will execute regardless
of whether NDEBUG is defined or not.
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* Add a test for the TCP_USER_TIMEOUT option.
* Explicitly set errno to ENOTSUP on unsupported OS's
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Adds a test that we don't attempt to set any socket timeout if the
connection itself failed. This issue only seemed to occur on macOS but
it's nice to have a test for it.
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For reference:
https://github.com/redis/redis-specifications/blob/master/protocol/RESP3.md
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- Upgrade to actions/checkout@v3 as node 12 is being phased out.
- Perform a manual dnf refresh on RockyLinux during setup.
- Switch to official cygwin/cygwin-install-action
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Improve coverage (#734)
* Remove duplicate tests
- double covered by:
"Can parse RESP3 doubles"
- bool covered via:
"Can parse RESP3 bool"
* Make (connect) timeout in test config general
* Set error string in Unix connect with invalid timeout
Restructure testcase since redisConnectWithTimeout() and
redisConnectUnixWithTimeout() now behaves similar.
* Use quiet flag in lcov/genhtml instead of piping to /dev/null
* Fixup of redisCommandArgv test case
* Update test case to match what it covers
Use new test case info text since the previous one seemed copy&pasted.
The sought coverage was the handling of the parent-chaining
for a double object, which the test case now focuses on.
Co-authored-by: Ariel <ashtul@gmail.com>
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Redis updated how invalidation push messages are sent to the client
after a FLUSHDB or FLUSHALL command.
See: redis/redis#8935
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Protect against a NULL pointer dereference, and remove unused write
to a variable.
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Use a windows specific keepalive function.
While it is possible to toggle `TCP_KEEPALIVE` in windows via
setsockopt, you have to use `WSAIoctl` to set the interval.
Since `WSAIoctl` can actually do all of this in one call (toggle the
option, and set the corresponding interval), just use that in Windows
and avoid the call to `setsockopt` alltogether.
Fixes: #1100
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A command with a faulty formatting string that lacks the
conversion specifier results in a ASAN heap-buffer-overflow.
This was due to that strchr() matches on null-termination,
which triggers a continuation of the string parsing.
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See: #916
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Illumos test fixes, error message difference fot bad hostname test.
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In f69fac7690fb22a7fc19dba61ef70e5f79ccb2e9, our async onConnect
callback was improved to take a non-const redisAsyncContext allowing it
to be reentrant.
Unfortunately, this is a breaking change we can't make until hiredis
v2.0.0.
This commit creates a separate callback member and corresponding
function that allows us to use the new functionality, while maintaining
our existing API for legacy code.
Fixes #1086
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Since the callback is now re-entrant, it can call apis such as redisAsyncDisconnect()
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Redis responds to an unsubscribe with one or many replies, depending
on the current subscribe state. When channels/patterns names are
provided in a command each given name will trigger a reply even if
duplicated or not subscribed to.
To know when we can return from the subscribed state we need to do
bookkeeping on pending additional unsubscribe replies, and make sure
we receive them all before switching state.
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* No reuse of the previous reply callback
When multiple replies are parsed from a socket in one read
a previously found callback might get reused when the current
reply has no known callback.
This can be triggered by the added testcase which unsubscribe to
subscribed (A,B) and a non-subscribed channel (X).
Without this correction a callback for wrong channel is called.
- In 'unsubscribe B X A', B's callback is called when handling X.
- Now this is not done, i.e. there is no callback called for X.
* Re-push monitor callback for each reply
MONITORING used the same callback for all replies while parsing
multiple responses. This handling was changed to avoid calling
the wrong callback in some scenarios.
Now also change monitorings repush to work with this change.
Includes an added async monitoring testcase.
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* Add test of async commands after unsubscribe
Verify that commands are handled after unsubscribing from a channel.
A command is sent before the `unsubscribe` response is received,
which currently triggers an assert in async.c:567:
`redisProcessCallbacks: Assertion `(c->flags & REDIS_SUBSCRIBED || c->flags & REDIS_MONITORING)' failed.`
* Handle async commands after an unsubscribe
When unsubscribing from the last channel we move from the `subscribe`
state to a normal state. These states uses different holders for the
command callback information.
By moving the callback info during the state change the callback order
can be maintained.
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* Add test of command timeout during pubsub
A timeout of a non-subscribe command will be ignored during pubsub.
It will be handled as an idle timeout and a response is awaited for.
* Correction for command timeout during pubsub
Disconnect when a sent non-subscribe command triggers a timeout.
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RESP3 allows sending commands in parallell with pubsub handling
and these commands might get responded with a REDIS_REPLY_ARRAY.
This conflicts with the pubsub response handling for RESP2 and
results in a faulty state when using RESP3.
Add functionality to keep track of PUSH/RESP3 support on the connection
and only expect the message type REDIS_REPLY_PUSH as subscribe messages
when once seen.
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* Handle PING during pubsub in RESP2
* Rename invalid callback list
Some commands are valid to send during a subscribe in RESP2, and
most in RESP3. Renaming the callback list from `invalid` to `replies`
to detail this fact.
* Fix review comment
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* Include `unsubscribe` as a subscribe reply in RESP3
By providing the (p)unsubscribe message via the subscribe callback,
instead of via the push callback, we get the same behavior in RESP3
as in RESP2.
* Add asynchronous test for pubsub using RESP3
The testcase will subscribe to a channel, and via a second client
a message is published to the channel. After receiving the message
the testcase will unsubscribe and disconnect.
This RESP3 testcase reuses the subscribe callback from the RESP2
testcase to make sure we have a common behavior.
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The testcase will subscribe to a channel, and via a second client
a message is published to the channel. After receiving the message
the testcase will unsubscribe and disconnect.
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Since `hi_calloc` always passes through one of our wrapper functions,
we can perform this overflow in the wrapper, and get protection
everywhere.
Previous commit: 76a7b10005c70babee357a7d0f2becf28ec7ed1e
Related vuln ID: CVE-2021-32765
[Full Details](https://github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2)
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Merge the v1.0.1 release branch and bump the dev version to 1.0.2-dev
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This fix prevents hiredis from trying to allocate more than `SIZE_MAX`
bytes, which would result in a buffer overrun.
[Full Details](https://github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2)
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This ensures that malformed RESP3 double messages that include an
invalid null byte are not parsed as valid.
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