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chore: stop tracking libdave

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Nb1X committed 2026-08-25 17:30:05 +02:00
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commit b771f45cad
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libdave/include/dave/array_view.h
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#pragma once
#include <cassert>
#include <cstddef>
#include <vector>
namespace discord {
namespace dave {
template <typename T>
class ArrayView {
public:
ArrayView() = default;
ArrayView(T* data, size_t size)
: data_(data)
, size_(size)
{
}
size_t size() const { return size_; }
T* data() const { return data_; }
T* begin() const { return data_; }
T* end() const { return data_ + size_; }
private:
T* data_ = nullptr;
size_t size_ = 0;
};
template <typename T>
inline ArrayView<T> MakeArrayView(T* data, size_t size)
{
return ArrayView<T>(data, size);
}
template <typename T>
inline ArrayView<T> MakeArrayView(std::vector<T>& data)
{
return ArrayView<T>(data.data(), data.size());
}
} // namespace dave
} // namespace discord
libdave/include/dave/dave.h
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/**
* @file dave.h
* @brief DAVE (Discord Audio/Video Encryption) C API
*
* This header provides the C API for end-to-end encryption of audio and video
* streams using the DAVE protocol.
*
* All handles are opaque pointers that must be created and destroyed using
* the corresponding API functions. Memory management rules:
* - Handles from *Create functions must be freed with their *Destroy counterpart
* - Output handles should be destroyed by the caller using the corresponding *Destroy function
* - Functions do not take ownership of the input data unless otherwise specified
* - Output byte arrays allocated by the library must be freed using daveFree()
*/
#pragma once
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#if (defined(_WIN32) || defined(_WIN64))
#define DAVE_EXPORT __declspec(dllexport)
#else
#define DAVE_EXPORT __attribute__((visibility("default")))
#endif
#define DECLARE_OPAQUE_HANDLE(x) typedef struct x##_s* x
#ifdef __cplusplus
extern "C" {
#endif
/** @brief DAVE session handle for managing group encryption state */
DECLARE_OPAQUE_HANDLE(DAVESessionHandle);
/** @brief Result handle from processing an MLS commit message */
DECLARE_OPAQUE_HANDLE(DAVECommitResultHandle);
/** @brief Result handle from processing an MLS welcome message */
DECLARE_OPAQUE_HANDLE(DAVEWelcomeResultHandle);
/** @brief Key ratchet handle for deriving encryption keys */
DECLARE_OPAQUE_HANDLE(DAVEKeyRatchetHandle);
/** @brief Media frame encryptor handle */
DECLARE_OPAQUE_HANDLE(DAVEEncryptorHandle);
/** @brief Media frame decryptor handle */
DECLARE_OPAQUE_HANDLE(DAVEDecryptorHandle);
/**
* @brief Supported media codecs for encryption
*/
typedef enum {
DAVE_CODEC_UNKNOWN = 0, /**< Unknown or unspecified codec */
DAVE_CODEC_OPUS = 1, /**< Opus audio codec */
DAVE_CODEC_VP8 = 2, /**< VP8 video codec */
DAVE_CODEC_VP9 = 3, /**< VP9 video codec */
DAVE_CODEC_H264 = 4, /**< H.264/AVC video codec */
DAVE_CODEC_H265 = 5, /**< H.265/HEVC video codec */
DAVE_CODEC_AV1 = 6 /**< AV1 video codec */
} DAVECodec;
/**
* @brief Media stream type classification
*/
typedef enum {
DAVE_MEDIA_TYPE_AUDIO = 0, /**< Audio stream */
DAVE_MEDIA_TYPE_VIDEO = 1 /**< Video stream */
} DAVEMediaType;
/**
* @brief Result codes returned by encryption operations
*/
typedef enum {
DAVE_ENCRYPTOR_RESULT_CODE_SUCCESS = 0, /**< Encryption succeeded */
DAVE_ENCRYPTOR_RESULT_CODE_ENCRYPTION_FAILURE = 1, /**< Encryption failed */
DAVE_ENCRYPTOR_RESULT_CODE_MISSING_KEY_RATCHET = 2,/**< No key ratchet available */
DAVE_ENCRYPTOR_RESULT_CODE_MISSING_CRYPTOR = 3, /**< Missing cryptographic context */
DAVE_ENCRYPTOR_RESULT_CODE_TOO_MANY_ATTEMPTS = 4, /**< Too many attempts to encrypt the frame failed */
} DAVEEncryptorResultCode;
/**
* @brief Result codes returned by decryption operations
*/
typedef enum {
DAVE_DECRYPTOR_RESULT_CODE_SUCCESS = 0, /**< Decryption succeeded */
DAVE_DECRYPTOR_RESULT_CODE_DECRYPTION_FAILURE = 1, /**< Decryption failed */
DAVE_DECRYPTOR_RESULT_CODE_MISSING_KEY_RATCHET = 2,/**< No key ratchet available */
DAVE_DECRYPTOR_RESULT_CODE_INVALID_NONCE = 3, /**< Invalid nonce in encrypted frame */
DAVE_DECRYPTOR_RESULT_CODE_MISSING_CRYPTOR = 4 /**< Missing cryptographic context */
} DAVEDecryptorResultCode;
/**
* @brief Log message severity levels
*/
typedef enum {
DAVE_LOGGING_SEVERITY_VERBOSE = 0, /**< Verbose debug information */
DAVE_LOGGING_SEVERITY_INFO = 1, /**< Informational messages */
DAVE_LOGGING_SEVERITY_WARNING = 2, /**< Warning messages */
DAVE_LOGGING_SEVERITY_ERROR = 3, /**< Error messages */
DAVE_LOGGING_SEVERITY_NONE = 4 /**< Messages to be ignored */
} DAVELoggingSeverity;
/**
* @brief Callback invoked when an MLS protocol failure occurs
* @param source The source/component where the failure occurred
* @param reason Human-readable failure reason
* @param userData User-provided context pointer
*/
typedef void (*DAVEMLSFailureCallback)(const char* source, const char* reason, void* userData);
/**
* @brief Callback invoked with the computed pairwise fingerprint for identity verification
* @param fingerprint Pointer to fingerprint bytes (freed by the library after the callback returns)
* @param length Length of fingerprint in bytes
* @param userData User-provided context pointer
*/
typedef void (*DAVEPairwiseFingerprintCallback)(const uint8_t* fingerprint, size_t length, void* userData);
/**
* @brief Callback invoked when the encryptor's protocol version changes
* @param userData User-provided context pointer
*/
typedef void (*DAVEEncryptorProtocolVersionChangedCallback)(void* userData);
/**
* @brief Custom log sink callback for receiving library log messages
* @param severity Log severity level
* @param file Source file name where log originated (freed by the library after the callback returns)
* @param line Line number in source file
* @param message Log message text (freed by the library after the callback returns)
*/
typedef void (*DAVELogSinkCallback)(DAVELoggingSeverity severity,
const char* file,
int line,
const char* message);
/**
* @brief Statistics for encryption operations
*/
typedef struct DAVEEncryptorStats {
uint64_t passthroughCount; /**< Frames passed through without encryption */
uint64_t encryptSuccessCount; /**< Successful encryption count */
uint64_t encryptFailureCount; /**< Failed encryption count */
uint64_t encryptDuration; /**< Total encryption duration */
uint64_t encryptAttempts; /**< Total encryption attempts */
uint64_t encryptMaxAttempts; /**< Maximum retry attempts for a single frame */
uint64_t encryptMissingKeyCount;/**< Encryptions skipped due to missing key */
} DAVEEncryptorStats;
/**
* @brief Statistics for decryption operations
*/
typedef struct DAVEDecryptorStats {
uint64_t passthroughCount; /**< Frames passed through without decryption */
uint64_t decryptSuccessCount; /**< Successful decryption count */
uint64_t decryptFailureCount; /**< Failed decryption count */
uint64_t decryptDuration; /**< Total decryption duration */
uint64_t decryptAttempts; /**< Total decryption attempts */
uint64_t decryptMissingKeyCount; /**< Decryptions failed due to missing key */
uint64_t decryptInvalidNonceCount;/**< Decryptions failed due to invalid nonce */
} DAVEDecryptorStats;
/*******************************************************************************
* Version
******************************************************************************/
/**
* @brief Returns the maximum protocol version supported by this library
* @return Maximum supported protocol version number
*/
DAVE_EXPORT uint16_t daveMaxSupportedProtocolVersion(void);
/*******************************************************************************
* Memory Management
******************************************************************************/
/**
* @brief Frees memory allocated by the DAVE library
*
* Use this function to free any byte arrays or buffers allocated by DAVE API
* functions.
*
* @param ptr Pointer to memory previously allocated by a DAVE API function.
* If NULL, this function does nothing.
*
* @note This function should be used to free output byte arrays from functions
* like daveSessionGetLastEpochAuthenticator, daveSessionGetMarshalledKeyPackage,
* daveCommitResultGetRosterMemberIds, etc. Do NOT use this to destroy handles;
* use the corresponding *Destroy functions instead.
*/
DAVE_EXPORT void daveFree(void* ptr);
/*******************************************************************************
* Session Management
******************************************************************************/
/**
* @brief Creates a new DAVE session
* @param context Currently unused platform-specific context pointer (can be NULL)
* @param authSessionId String used to manage persistent key lifetimes (can be NULL)
* @param callback Callback invoked on MLS failures
* @param userData User data pointer passed to the callback
* @return New session handle, or NULL on failure. Must be destroyed with daveSessionDestroy()
*/
DAVE_EXPORT DAVESessionHandle daveSessionCreate(void* context,
const char* authSessionId,
DAVEMLSFailureCallback callback,
void* userData);
/**
* @brief Destroys a session and frees associated resources
* @param session Session handle to destroy
*/
DAVE_EXPORT void daveSessionDestroy(DAVESessionHandle session);
/**
* @brief Initializes a session with protocol version and group information
* @param session Session handle
* @param version Protocol version to use
* @param groupId Group identifier common to all users in the group
* @param selfUserId User ID of the local user
*/
DAVE_EXPORT void daveSessionInit(DAVESessionHandle session,
uint16_t version,
uint64_t groupId,
const char* selfUserId);
/**
* @brief Resets the session state
* @param session Session handle
*/
DAVE_EXPORT void daveSessionReset(DAVESessionHandle session);
/**
* @brief Sets the protocol version for the session
* @param session Session handle
* @param version Protocol version to set
*/
DAVE_EXPORT void daveSessionSetProtocolVersion(DAVESessionHandle session, uint16_t version);
/**
* @brief Gets the current protocol version of the session
* @param session Session handle
* @return Current protocol version
*/
DAVE_EXPORT uint16_t daveSessionGetProtocolVersion(DAVESessionHandle session);
/**
* @brief Retrieves the authenticator from the last MLS epoch
* @param session Session handle
* @param[out] authenticator Output pointer to authenticator bytes (caller must free with daveFree)
* @param[out] length Output pointer to authenticator length
*/
DAVE_EXPORT void daveSessionGetLastEpochAuthenticator(DAVESessionHandle session,
uint8_t** authenticator,
size_t* length);
/**
* @brief Sets the external sender credentials for the session
* @param session Session handle
* @param externalSender External sender credential bytes
* @param length Length of external sender data
*/
DAVE_EXPORT void daveSessionSetExternalSender(DAVESessionHandle session,
const uint8_t* externalSender,
size_t length);
/**
* @brief Processes MLS proposals and generates commit/welcome messages
* @param session Session handle
* @param proposals Serialized proposal bytes
* @param length Length of proposals
* @param recognizedUserIds Array of recognized user ID strings
* @param recognizedUserIdsLength Number of recognized user IDs
* @param[out] commitWelcomeBytes Output buffer to commit/welcome message bytes (caller must free with daveFree)
* @param[out] commitWelcomeBytesLength Output length of the commit/welcome message
*/
DAVE_EXPORT void daveSessionProcessProposals(DAVESessionHandle session,
const uint8_t* proposals,
size_t length,
const char** recognizedUserIds,
size_t recognizedUserIdsLength,
uint8_t** commitWelcomeBytes,
size_t* commitWelcomeBytesLength);
/**
* @brief Processes an incoming MLS commit message
* @param session Session handle
* @param commit Serialized commit message bytes
* @param length Length of commit message
* @return Commit result handle. Must be destroyed with daveCommitResultDestroy()
*/
DAVE_EXPORT DAVECommitResultHandle daveSessionProcessCommit(DAVESessionHandle session,
const uint8_t* commit,
size_t length);
/**
* @brief Processes an incoming MLS welcome message to join a group
* @param session Session handle
* @param welcome Serialized welcome message bytes
* @param length Length of welcome message
* @param recognizedUserIds Array of recognized user ID strings
* @param recognizedUserIdsLength Number of recognized user IDs
* @return Welcome result handle. Must be destroyed with daveWelcomeResultDestroy()
*/
DAVE_EXPORT DAVEWelcomeResultHandle daveSessionProcessWelcome(DAVESessionHandle session,
const uint8_t* welcome,
size_t length,
const char** recognizedUserIds,
size_t recognizedUserIdsLength);
/**
* @brief Gets the marshalled MLS key package for this session
* @param session Session handle
* @param[out] keyPackage Output buffer to key package bytes (caller must free with daveFree)
* @param[out] length Output length of the key package
*/
DAVE_EXPORT void daveSessionGetMarshalledKeyPackage(DAVESessionHandle session,
uint8_t** keyPackage,
size_t* length);
/**
* @brief Gets a key ratchet for a specific user in the session
* @param session Session handle
* @param userId User ID to get key ratchet for
* @return Key ratchet handle. Must be destroyed with daveKeyRatchetDestroy()
*/
DAVE_EXPORT DAVEKeyRatchetHandle daveSessionGetKeyRatchet(DAVESessionHandle session,
const char* userId);
/**
* @brief Computes a pairwise fingerprint for identity verification with another user
* @param session Session handle
* @param version Protocol version currently in use
* @param userId User ID of the remote user to compute the fingerprint for
* @param callback Callback to receive the fingerprint
* @param userData User data passed to callback
*/
DAVE_EXPORT void daveSessionGetPairwiseFingerprint(DAVESessionHandle session,
uint16_t version,
const char* userId,
DAVEPairwiseFingerprintCallback callback,
void* userData);
/*******************************************************************************
* Key Ratchet
******************************************************************************/
/**
* @brief Destroys a key ratchet and frees associated resources
* @param keyRatchet Key ratchet handle to destroy
*/
DAVE_EXPORT void daveKeyRatchetDestroy(DAVEKeyRatchetHandle keyRatchet);
/*******************************************************************************
* Commit Result
******************************************************************************/
/**
* @brief Checks if processing the commit failed
* @param commitResultHandle Commit result handle
* @return true if commit processing failed
*/
DAVE_EXPORT bool daveCommitResultIsFailed(DAVECommitResultHandle commitResultHandle);
/**
* @brief Checks if the commit should be ignored
* @param commitResultHandle Commit result handle
* @return true if commit should be ignored
*/
DAVE_EXPORT bool daveCommitResultIsIgnored(DAVECommitResultHandle commitResultHandle);
/**
* @brief Gets the list of member IDs in the roster after the commit
* @param commitResultHandle Commit result handle
* @param[out] rosterIds Output buffer to array of roster member IDs (caller must free with daveFree)
* @param[out] rosterIdsLength Output length of the roster member IDs array
*/
DAVE_EXPORT void daveCommitResultGetRosterMemberIds(DAVECommitResultHandle commitResultHandle,
uint64_t** rosterIds,
size_t* rosterIdsLength);
/**
* @brief Gets the signature for a specific roster member
* @param commitResultHandle Commit result handle
* @param rosterId Roster member ID
* @param[out] signature Output buffer to signature bytes (caller must free with daveFree)
* @param[out] signatureLength Output length of the signature
*/
DAVE_EXPORT void daveCommitResultGetRosterMemberSignature(DAVECommitResultHandle commitResultHandle,
uint64_t rosterId,
uint8_t** signature,
size_t* signatureLength);
/**
* @brief Destroys a commit result and frees associated resources
* @param commitResultHandle Commit result handle to destroy
*/
DAVE_EXPORT void daveCommitResultDestroy(DAVECommitResultHandle commitResultHandle);
/*******************************************************************************
* Welcome Result
******************************************************************************/
/**
* @brief Gets the list of member IDs in the roster from the welcome message
* @param welcomeResultHandle Welcome result handle
* @param[out] rosterIds Output buffer to array of roster member IDs (caller must free with daveFree)
* @param[out] rosterIdsLength Output length of the roster member IDs array
*/
DAVE_EXPORT void daveWelcomeResultGetRosterMemberIds(DAVEWelcomeResultHandle welcomeResultHandle,
uint64_t** rosterIds,
size_t* rosterIdsLength);
/**
* @brief Gets the signature for a specific roster member
* @param welcomeResultHandle Welcome result handle
* @param rosterId Roster member ID
* @param[out] signature Output buffer to signature bytes (caller must free with daveFree)
* @param[out] signatureLength Output length of the signature
*/
DAVE_EXPORT void daveWelcomeResultGetRosterMemberSignature(DAVEWelcomeResultHandle welcomeResultHandle,
uint64_t rosterId,
uint8_t** signature,
size_t* signatureLength);
/**
* @brief Destroys a welcome result and frees associated resources
* @param welcomeResultHandle Welcome result handle to destroy
*/
DAVE_EXPORT void daveWelcomeResultDestroy(DAVEWelcomeResultHandle welcomeResultHandle);
/*******************************************************************************
* Encryptor
******************************************************************************/
/**
* @brief Creates a new media frame encryptor
* @return New encryptor handle. Must be destroyed with daveEncryptorDestroy()
*/
DAVE_EXPORT DAVEEncryptorHandle daveEncryptorCreate(void);
/**
* @brief Destroys an encryptor and frees associated resources
* @param encryptor Encryptor handle to destroy
*/
DAVE_EXPORT void daveEncryptorDestroy(DAVEEncryptorHandle encryptor);
/**
* @brief Sets the key ratchet for encryption
* @param encryptor Encryptor handle
* @param keyRatchet Key ratchet to use for encryption (does *not* take ownership)
*/
DAVE_EXPORT void daveEncryptorSetKeyRatchet(DAVEEncryptorHandle encryptor,
DAVEKeyRatchetHandle keyRatchet);
/**
* @brief Enables or disables passthrough mode (frames pass through unencrypted)
* @param encryptor Encryptor handle
* @param passthroughMode true to enable passthrough, false to encrypt
*/
DAVE_EXPORT void daveEncryptorSetPassthroughMode(DAVEEncryptorHandle encryptor,
bool passthroughMode);
/**
* @brief Associates an SSRC (Synchronization Source) with a specific codec
* @param encryptor Encryptor handle
* @param ssrc SSRC identifier
* @param codecType Codec type for this SSRC
*/
DAVE_EXPORT void daveEncryptorAssignSsrcToCodec(DAVEEncryptorHandle encryptor,
uint32_t ssrc,
DAVECodec codecType);
/**
* @brief Gets the current protocol version used by the encryptor
* @param encryptor Encryptor handle
* @return Protocol version number
*/
DAVE_EXPORT uint16_t daveEncryptorGetProtocolVersion(DAVEEncryptorHandle encryptor);
/**
* @brief Calculates the maximum ciphertext size for a given plaintext frame size
* @param encryptor Encryptor handle
* @param mediaType Media type (audio or video)
* @param frameSize Size of plaintext frame in bytes
* @return Maximum possible ciphertext size in bytes
*/
DAVE_EXPORT size_t daveEncryptorGetMaxCiphertextByteSize(DAVEEncryptorHandle encryptor,
DAVEMediaType mediaType,
size_t frameSize);
/**
* @brief Checks if the encryptor has a key ratchet
* @param encryptor Encryptor handle
* @return true if has key ratchet, false otherwise
*/
DAVE_EXPORT bool daveEncryptorHasKeyRatchet(DAVEEncryptorHandle encryptor);
/**
* @brief Checks if the encryptor is in passthrough mode
* @param encryptor Encryptor handle
* @return true if in passthrough mode, false otherwise
*/
DAVE_EXPORT bool daveEncryptorIsPassthroughMode(DAVEEncryptorHandle encryptor);
/**
* @brief Encrypts a media frame
* @param encryptor Encryptor handle
* @param mediaType Media type (audio or video)
* @param ssrc SSRC of the stream
* @param frame Pointer to plaintext frame data
* @param frameLength Length of plaintext frame
* @param[out] encryptedFrame Pointer to the output buffer the encrypted frame will be written to
* @param encryptedFrameCapacity Capacity of the output buffer
* @param[out] bytesWritten Number of bytes written to the output buffer
* @return Result code indicating success or failure
*/
DAVE_EXPORT DAVEEncryptorResultCode daveEncryptorEncrypt(DAVEEncryptorHandle encryptor,
DAVEMediaType mediaType,
uint32_t ssrc,
const uint8_t* frame,
size_t frameLength,
uint8_t* encryptedFrame,
size_t encryptedFrameCapacity,
size_t* bytesWritten);
/**
* @brief Sets a callback to be notified when the protocol version changes
* @param encryptor Encryptor handle
* @param callback Callback function
* @param userData User data passed to callback
*/
DAVE_EXPORT void daveEncryptorSetProtocolVersionChangedCallback(
DAVEEncryptorHandle encryptor,
DAVEEncryptorProtocolVersionChangedCallback callback,
void* userData);
/**
* @brief Gets encryption statistics
* @param encryptor Encryptor handle
* @param mediaType Media type (audio or video)
* @param[out] stats Pointer to the stats structure to be filled
*/
DAVE_EXPORT void daveEncryptorGetStats(DAVEEncryptorHandle encryptor,
DAVEMediaType mediaType,
DAVEEncryptorStats* stats);
/*******************************************************************************
* Decryptor
******************************************************************************/
/**
* @brief Creates a new media frame decryptor
* @return New decryptor handle. Must be destroyed with daveDecryptorDestroy()
*/
DAVE_EXPORT DAVEDecryptorHandle daveDecryptorCreate(void);
/**
* @brief Destroys a decryptor and frees associated resources
* @param decryptor Decryptor handle to destroy
*/
DAVE_EXPORT void daveDecryptorDestroy(DAVEDecryptorHandle decryptor);
/**
* @brief Transitions the decryptor to use a new key ratchet
* @param decryptor Decryptor handle
* @param keyRatchet New key ratchet to transition to (does *not* take ownership)
*/
DAVE_EXPORT void daveDecryptorTransitionToKeyRatchet(DAVEDecryptorHandle decryptor,
DAVEKeyRatchetHandle keyRatchet);
/**
* @brief Transitions to or from passthrough mode
* @param decryptor Decryptor handle
* @param passthroughMode true to enable passthrough, false to decrypt
*/
DAVE_EXPORT void daveDecryptorTransitionToPassthroughMode(DAVEDecryptorHandle decryptor,
bool passthroughMode);
/**
* @brief Decrypts an encrypted media frame
* @param decryptor Decryptor handle
* @param mediaType Media type (audio or video)
* @param encryptedFrame Pointer to the encrypted frame data
* @param encryptedFrameLength Length of the encrypted frame
* @param[out] frame Pointer to the output buffer the decrypted frame will be written to
* @param frameCapacity Capacity of the output buffer
* @param[out] bytesWritten Number of bytes written to the output buffer
* @return Result code indicating success or failure
*/
DAVE_EXPORT DAVEDecryptorResultCode daveDecryptorDecrypt(DAVEDecryptorHandle decryptor,
DAVEMediaType mediaType,
const uint8_t* encryptedFrame,
size_t encryptedFrameLength,
uint8_t* frame,
size_t frameCapacity,
size_t* bytesWritten);
/**
* @brief Calculates the maximum plaintext size for a given ciphertext frame size
* @param decryptor Decryptor handle
* @param mediaType Media type (audio or video)
* @param encryptedFrameSize Size of encrypted frame in bytes
* @return Maximum possible plaintext size in bytes
*/
DAVE_EXPORT size_t daveDecryptorGetMaxPlaintextByteSize(DAVEDecryptorHandle decryptor,
DAVEMediaType mediaType,
size_t encryptedFrameSize);
/**
* @brief Gets decryption statistics
* @param decryptor Decryptor handle
* @param mediaType Media type (audio or video)
* @param[out] stats Pointer to the stats structure to be filled
*/
DAVE_EXPORT void daveDecryptorGetStats(DAVEDecryptorHandle decryptor,
DAVEMediaType mediaType,
DAVEDecryptorStats* stats);
/*******************************************************************************
* Logging
******************************************************************************/
/**
* @brief Sets a global callback for receiving log messages from the library
* @param callback Log sink callback function
*/
DAVE_EXPORT void daveSetLogSinkCallback(DAVELogSinkCallback callback);
#ifdef __cplusplus
}
#endif
libdave/include/dave/dave_interfaces.h
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#pragma once
#include <functional>
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <map>
#include <variant>
#include <chrono>
#include <vector>
#include <dave/array_view.h>
#include <dave/dave.h>
#include <dave/version.h>
namespace mlspp {
namespace bytes_ns {
struct bytes;
}; // namespace bytes_ns
struct SignaturePrivateKey;
} // namespace mlspp
namespace discord {
namespace dave {
using EncryptorStats = DAVEEncryptorStats;
using DecryptorStats = DAVEDecryptorStats;
using KeyGeneration = uint32_t;
using EncryptionKey = ::mlspp::bytes_ns::bytes;
class MlsKeyRatchet;
enum MediaType : uint8_t { Audio, Video };
enum Codec : uint8_t { Unknown, Opus, VP8, VP9, H264, H265, AV1 };
enum LoggingSeverity {
LS_VERBOSE,
LS_INFO,
LS_WARNING,
LS_ERROR,
LS_NONE,
};
// Returned in std::variant when a message is hard-rejected and should trigger a reset
struct failed_t {};
// Returned in std::variant when a message is soft-rejected and should not trigger a reset
struct ignored_t {};
// Map of ID-key pairs.
// In ProcessCommit, this lists IDs whose keys have been added, changed, or removed;
// an empty value value means a key was removed.
using RosterMap = std::map<uint64_t, std::vector<uint8_t>>;
// Return type for functions producing RosterMap or hard or soft failures
using RosterVariant = std::variant<failed_t, ignored_t, RosterMap>;
constexpr auto kDefaultTransitionDuration = std::chrono::seconds(10);
class IKeyRatchet {
public:
virtual ~IKeyRatchet() noexcept = default;
virtual EncryptionKey GetKey(KeyGeneration generation) noexcept = 0;
virtual void DeleteKey(KeyGeneration generation) noexcept = 0;
};
namespace mls {
#if defined(__ANDROID__)
typedef JNIEnv* KeyPairContextType;
#else
typedef const char* KeyPairContextType;
#endif
class ISession {
public:
virtual ~ISession() noexcept = default;
virtual void Init(ProtocolVersion version,
uint64_t groupId,
std::string const& selfUserId,
std::shared_ptr<::mlspp::SignaturePrivateKey>& transientKey) noexcept = 0;
virtual void Reset() noexcept = 0;
virtual void SetProtocolVersion(ProtocolVersion version) noexcept = 0;
virtual ProtocolVersion GetProtocolVersion() const noexcept = 0;
virtual std::vector<uint8_t> GetLastEpochAuthenticator() const noexcept = 0;
virtual void SetExternalSender(std::vector<uint8_t> const& externalSenderPackage) noexcept = 0;
virtual std::optional<std::vector<uint8_t>> ProcessProposals(
std::vector<uint8_t> proposals,
std::set<std::string> const& recognizedUserIDs) noexcept = 0;
virtual RosterVariant ProcessCommit(std::vector<uint8_t> commit) noexcept = 0;
virtual std::optional<RosterMap> ProcessWelcome(
std::vector<uint8_t> welcome,
std::set<std::string> const& recognizedUserIDs) noexcept = 0;
virtual std::vector<uint8_t> GetMarshalledKeyPackage() noexcept = 0;
virtual std::unique_ptr<IKeyRatchet> GetKeyRatchet(
std::string const& userId) const noexcept = 0;
using PairwiseFingerprintCallback = std::function<void(std::vector<uint8_t> const&)>;
virtual void GetPairwiseFingerprint(uint16_t version,
std::string const& userId,
PairwiseFingerprintCallback callback) const noexcept = 0;
};
using MLSFailureCallback = std::function<void(std::string const&, std::string const&)>;
std::unique_ptr<ISession> CreateSession(KeyPairContextType context,
std::string authSessionId,
MLSFailureCallback callback) noexcept;
} // namespace mls
class IEncryptor {
public:
enum ResultCode {
Success,
EncryptionFailure,
MissingKeyRatchet,
MissingCryptor,
TooManyAttempts,
};
virtual ~IEncryptor() = default;
virtual void SetKeyRatchet(std::unique_ptr<IKeyRatchet> keyRatchet) = 0;
virtual void SetPassthroughMode(bool passthroughMode) = 0;
virtual bool HasKeyRatchet() const = 0;
virtual bool IsPassthroughMode() const = 0;
virtual void AssignSsrcToCodec(uint32_t ssrc, Codec codecType) = 0;
virtual Codec CodecForSsrc(uint32_t ssrc) = 0;
virtual ResultCode Encrypt(MediaType mediaType,
uint32_t ssrc,
ArrayView<const uint8_t> frame,
ArrayView<uint8_t> encryptedFrame,
size_t* bytesWritten) = 0;
virtual size_t GetMaxCiphertextByteSize(MediaType mediaType, size_t frameSize) = 0;
virtual EncryptorStats GetStats(MediaType mediaType) const = 0;
using ProtocolVersionChangedCallback = std::function<void()>;
virtual void SetProtocolVersionChangedCallback(ProtocolVersionChangedCallback callback) = 0;
virtual ProtocolVersion GetProtocolVersion() const = 0;
};
std::unique_ptr<IEncryptor> CreateEncryptor();
class IDecryptor {
public:
using Duration = std::chrono::seconds;
enum ResultCode {
Success,
DecryptionFailure,
MissingKeyRatchet,
InvalidNonce,
MissingCryptor,
};
virtual ~IDecryptor() = default;
virtual void TransitionToKeyRatchet(std::unique_ptr<IKeyRatchet> keyRatchet,
Duration transitionExpiry = kDefaultTransitionDuration) = 0;
virtual void TransitionToPassthroughMode(
bool passthroughMode,
Duration transitionExpiry = kDefaultTransitionDuration) = 0;
virtual ResultCode Decrypt(MediaType mediaType,
ArrayView<const uint8_t> encryptedFrame,
ArrayView<uint8_t> frame,
size_t* bytesWritten) = 0;
virtual size_t GetMaxPlaintextByteSize(MediaType mediaType, size_t encryptedFrameSize) = 0;
virtual DecryptorStats GetStats(MediaType mediaType) const = 0;
};
std::unique_ptr<IDecryptor> CreateDecryptor();
static_assert(DAVE_CODEC_UNKNOWN == static_cast<int>(Codec::Unknown));
static_assert(DAVE_CODEC_OPUS == static_cast<int>(Codec::Opus));
static_assert(DAVE_CODEC_VP8 == static_cast<int>(Codec::VP8));
static_assert(DAVE_CODEC_VP9 == static_cast<int>(Codec::VP9));
static_assert(DAVE_CODEC_H264 == static_cast<int>(Codec::H264));
static_assert(DAVE_CODEC_H265 == static_cast<int>(Codec::H265));
static_assert(DAVE_CODEC_AV1 == static_cast<int>(Codec::AV1));
static_assert(DAVE_MEDIA_TYPE_AUDIO == static_cast<int>(MediaType::Audio));
static_assert(DAVE_MEDIA_TYPE_VIDEO == static_cast<int>(MediaType::Video));
static_assert(DAVE_ENCRYPTOR_RESULT_CODE_SUCCESS == static_cast<int>(IEncryptor::Success));
static_assert(DAVE_ENCRYPTOR_RESULT_CODE_ENCRYPTION_FAILURE ==
static_cast<int>(IEncryptor::EncryptionFailure));
static_assert(DAVE_ENCRYPTOR_RESULT_CODE_MISSING_KEY_RATCHET ==
static_cast<int>(IEncryptor::MissingKeyRatchet));
static_assert(DAVE_ENCRYPTOR_RESULT_CODE_MISSING_CRYPTOR ==
static_cast<int>(IEncryptor::MissingCryptor));
static_assert(DAVE_ENCRYPTOR_RESULT_CODE_TOO_MANY_ATTEMPTS ==
static_cast<int>(IEncryptor::TooManyAttempts));
static_assert(DAVE_DECRYPTOR_RESULT_CODE_SUCCESS == static_cast<int>(IDecryptor::Success));
static_assert(DAVE_DECRYPTOR_RESULT_CODE_DECRYPTION_FAILURE ==
static_cast<int>(IDecryptor::DecryptionFailure));
static_assert(DAVE_DECRYPTOR_RESULT_CODE_MISSING_KEY_RATCHET ==
static_cast<int>(IDecryptor::MissingKeyRatchet));
static_assert(DAVE_DECRYPTOR_RESULT_CODE_INVALID_NONCE ==
static_cast<int>(IDecryptor::InvalidNonce));
static_assert(DAVE_DECRYPTOR_RESULT_CODE_MISSING_CRYPTOR ==
static_cast<int>(IDecryptor::MissingCryptor));
static_assert(DAVE_LOGGING_SEVERITY_VERBOSE == static_cast<int>(LoggingSeverity::LS_VERBOSE));
static_assert(DAVE_LOGGING_SEVERITY_INFO == static_cast<int>(LoggingSeverity::LS_INFO));
static_assert(DAVE_LOGGING_SEVERITY_WARNING == static_cast<int>(LoggingSeverity::LS_WARNING));
static_assert(DAVE_LOGGING_SEVERITY_ERROR == static_cast<int>(LoggingSeverity::LS_ERROR));
static_assert(DAVE_LOGGING_SEVERITY_NONE == static_cast<int>(LoggingSeverity::LS_NONE));
} // namespace dave
} // namespace discord
libdave/include/dave/logger.h
-40
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@@ -1,40 +0,0 @@
#pragma once
#include <sstream>
#include <dave/dave_interfaces.h>
#if !defined(DISCORD_LOG)
#define DISCORD_LOG_FILE_LINE(sev, file, line) ::discord::dave::LogStreamer(sev, file, line)
#define DISCORD_LOG(sev) DISCORD_LOG_FILE_LINE(::discord::dave::sev, __FILE__, __LINE__)
#endif
namespace discord {
namespace dave {
using LogSink = void (*)(LoggingSeverity severity,
const char* file,
int line,
const std::string& message);
void SetLogSink(LogSink sink);
class LogStreamer {
public:
LogStreamer(LoggingSeverity severity, const char* file, int line);
~LogStreamer();
template <typename T>
LogStreamer& operator<<(const T& value)
{
stream_ << value;
return *this;
}
private:
LoggingSeverity severity_;
const char* file_;
int line_;
std::ostringstream stream_;
};
} // namespace dave
} // namespace discord
libdave/include/dave/version.h
-16
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@@ -1,16 +0,0 @@
#pragma once
#include <stdint.h>
#include <dave/dave.h>
namespace discord {
namespace dave {
using ProtocolVersion = uint16_t;
using SignatureVersion = uint8_t;
ProtocolVersion MaxSupportedProtocolVersion();
} // namespace dave
} // namespace discord
libdave/licenses/boringssl
-252
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@@ -1,252 +0,0 @@
BoringSSL is a fork of OpenSSL. As such, large parts of it fall under OpenSSL
licensing. Files that are completely new have a Google copyright and an ISC
license. This license is reproduced at the bottom of this file.
Contributors to BoringSSL are required to follow the CLA rules for Chromium:
https://cla.developers.google.com/clas
Files in third_party/ have their own licenses, as described therein. The MIT
license, for third_party/fiat, which, unlike other third_party directories, is
compiled into non-test libraries, is included below.
The OpenSSL toolkit stays under a dual license, i.e. both the conditions of the
OpenSSL License and the original SSLeay license apply to the toolkit. See below
for the actual license texts. Actually both licenses are BSD-style Open Source
licenses. In case of any license issues related to OpenSSL please contact
openssl-core@openssl.org.
The following are Google-internal bug numbers where explicit permission from
some authors is recorded for use of their work. (This is purely for our own
record keeping.)
27287199
27287880
27287883
263291445
OpenSSL License
---------------
/* ====================================================================
* Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
Original SSLeay License
-----------------------
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
ISC license used for completely new code in BoringSSL:
/* Copyright (c) 2015, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
The code in third_party/fiat carries the MIT license:
Copyright (c) 2015-2016 the fiat-crypto authors (see
https://github.com/mit-plv/fiat-crypto/blob/master/AUTHORS).
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Licenses for support code
-------------------------
Parts of the TLS test suite are under the Go license. This code is not included
in BoringSSL (i.e. libcrypto and libssl) when compiled, however, so
distributing code linked against BoringSSL does not trigger this license:
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
BoringSSL uses the Chromium test infrastructure to run a continuous build,
trybots etc. The scripts which manage this, and the script for generating build
metadata, are under the Chromium license. Distributing code linked against
BoringSSL does not trigger this license.
Copyright 2015 The Chromium Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
libdave/licenses/libdave
-21
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@@ -1,21 +0,0 @@
MIT License
Copyright (c) 2024 Discord
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
libdave/licenses/mlspp
-25
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@@ -1,25 +0,0 @@
BSD 2-Clause License
Copyright (c) 2018, Cisco Systems
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
libdave/licenses/nlohmann-json
-21
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@@ -1,21 +0,0 @@
MIT License
Copyright (c) 2013-2022 Niels Lohmann
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.