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Currently, hiredis supports TCP/SSL/Unix, all of the connection types
use a single FD(int), close() is enough to close a connection. For the
further step, introduce .close method for redisContextFuncs, this
allows to close a complex connection context, for example RDMA.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
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If no SSL certificates are provided, many Redis clients default to
disabling SSL peer verification. Previously it was a bit cumbersome to
configure this because the client would either have to reimplement
`redisCreateSSLContext()` or reach into the internals to set the
OpenSSL verify mode.
We can improve the SSL API by introducing a
`redisCreateSSLContextWithOptions()` call that takes into structured
parameters for SSL initialization. This structure contains a verify
mode that is used to set the OpenSSL verify mode.
Relates to https://github.com/redis/hiredis/issues/646
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Free SSL object when redisSSLConnect fails but avoid doing that for
callers of redisInitiateSSL who are supposed to manager their own SSL
object.
Signed-off-by: Hans Zandbelt <hans.zandbelt@zmartzone.eu>
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We need to allow our users to use redisContext->privdata as context
for any RESP3 PUSH messages, which means we can't use it for managing
SSL connections.
Bulletpoints:
* Create a secondary redisContext member for internal use only called
privctx and rename the redisContextFuncs->free_privdata accordingly.
* Adds a `free_privdata` function pointer so the user can tie allocated
memory to the lifetime of a redisContext (like they can already do
with redisAsyncContext)
* Enables SSL tests in .travis.yml
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It appears that _WIN32 is always defined by MSVC whereas WIN32 may not
be, depending on configuration.
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Fix overflow bug in `sdsrange`
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* Adds an indirection to every allocation/deallocation to allow users to
plug in ones of their choosing (use custom functions, jemalloc, etc).
* Gracefully handle OOM everywhere in hiredis. This should make it possible
for users of the library to have more flexibility in how they handle such situations.
* Changes `redisReaderTask->elements` from an `int` to a `long long` to prevent
a possible overflow when transferring the task elements into a `redisReply`.
* Adds a configurable `max elements` member to `redisReader` that defaults to
2^32 - 1. This can be set to "unlimited" by setting the value to zero.
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* Add CMake package configuration so hiredis can be more easily included in
other projects.
* Fixes hiredis_ssl such that it compiles and works in windows
Co-authored-by: nrivera <nrivera@blizzard.com>
Co-authored-by: Nick <heronr1@gmail.com>
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Create allocation wrappers with a configurable OOM handler (defaults to abort()).
See #752, #747
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Coverity scans found that the should_log logic in sslLogCallback
is not working as expected because the variable is not correctly
initialised (the conditional code before logging always sets the
value to 1, which it already is).
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