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This was accidentally broken in
ac401970475cd3ceb2c284a6072d91ca5d9de23e, after which we started
installing headers into a `LibCrypt` subdirectory instead.
`serenity_install_headers("")` is really the only thing that we need
from `serenity_libc`, so just replicate that manually.
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We have a new, improved string type coming up in AK (OOM aware, no null
state), and while it's going to use UTF-8, the name UTF8String is a
mouthful - so let's free up the String name by renaming the existing
class.
Making the old one have an annoying name will hopefully also help with
quick adoption :^)
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Remove an unused constant, use a C++-style `reinterpret_cast` and employ
an early return to remove excessive indentation. No functional changes.
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Otherwise, we end up propagating those dependencies into targets that
link against that library, which creates unnecessary link-time
dependencies.
Also included are changes to readd now missing dependencies to tools
that actually need them.
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Even though the toolchain implicitly links against -lc, it does not know
where it should get LibC from except for the sysroot. In the case of
Clang this causes it to pick up the LibC stub instead, which might be
slightly outdated and feature missing symbols.
This is currently not an issue that manifests because we pass through
the dependency on LibC and other libraries by accident, which causes
CMake to link against the LibC target (instead of just the library),
and thus points the linker at the build output directory.
Since we are looking to fix that in the upcoming commits, let's make
sure that everything will still be able to find the proper LibC first.
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LibCrypt has no need for being -nostdlib, especially since we just link
in LibC manually anyways.
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This commit moves the length calculations out to be directly on the
StringView users. This is an important step towards the goal of removing
StringView(char const*), as it moves the responsibility of calculating
the size of the string to the user of the StringView (which will prevent
naive uses causing OOB access).
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Previously, we linked LibCrypt against LibCrypto. This creates a
circular symbol dependency between LibCore, LibCrypto and LibCrypt.
LibCrypto uses Core::DateTime, LibCrypt uses Crypto::SHA2, and LibCore
uses crypt in Core::Account. The GNU toolchain massages the DT_NEEDED
lines of each library and applications that use each library such that
the Loader finds all the symbols as necessary. However, when using the
Clang toolchain, the circular library dependency is not as tolerated.
We get a symbol not found error in the Loader at runtime, and the app in
question crashes.
Now, we build the SHA2.cpp implementation file into LibCrypt using an
object library and `-fvisibility=hidden -fvisibility-hidden-inlines`.
This adds the implementation in a way that only creates STB_LOCAL
symbols and should avoid nasty ODR problems in the future.
An alternative approach to resolving this dependency would be to move
Core::DateTime to AK, or to make Crypto::ASN1::parse_utc_date return a
struct tm instead of a Core::DateTime. One of those approaches to
remove the LibCore dependency from LibCrypto should probabably be
investigated further in the future.
The net effect of removing this circular library dependency is that one
can now build and run the python3 port with the Clang toolchain :^)
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According to POSIX.1 these should be in <crypt.h>.
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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