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- /* vim: set expandtab ts=4 sw=4: */
- /*
- * You may redistribute this program and/or modify it under the terms of
- * the GNU General Public License as published by the Free Software Foundation,
- * either version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
- #include "crypto/random/seed/RandomSeed.h"
- #include "crypto/random/seed/SystemRandomSeed.h"
- #include "util/log/Log.h"
- Js({ this.RandomSeedProvider_providers = []; })
- #define RandomSeedProvider_register(name) Js({ this.RandomSeedProvider_providers.push(#name) })
- #define RandomSeedProvider_list() Js({ return this.RandomSeedProvider_providers.join(','); })
- #ifdef win32
- #include "crypto/random/seed/RtlGenRandomSeed.h"
- RandomSeedProvider_register(RtlGenRandomSeed_new)
- #else
- #include "crypto/random/seed/DevUrandomRandomSeed.h"
- RandomSeedProvider_register(DevUrandomRandomSeed_new)
- #ifdef linux
- #include "crypto/random/seed/ProcSysKernelRandomUuidRandomSeed.h"
- RandomSeedProvider_register(ProcSysKernelRandomUuidRandomSeed_new)
- #if !defined(__ILP32__) && !defined(__aarch64__) && defined(__GLIBC__)
- #include "crypto/random/seed/LinuxRandomUuidSysctlRandomSeed.h"
- RandomSeedProvider_register(LinuxRandomUuidSysctlRandomSeed_new)
- #endif
- #else
- #ifdef freebsd
- #include "crypto/random/seed/BsdKernArndSysctlRandomSeed.h"
- RandomSeedProvider_register(BsdKernArndSysctlRandomSeed_new)
- #endif
- #endif
- #include <sys/syscall.h>
- #if defined(__OPENBSD__) || (defined(SYS_getrandom) && \
- (SYS_getrandom != __NR_getrandom || defined(__NR_getrandom)))
- #include "crypto/random/seed/GetEntropyRandomSeed.h"
- RandomSeedProvider_register(GetEntropyRandomSeed_new)
- #endif
- #endif
- static RandomSeed_Provider PROVIDERS[] = { RandomSeedProvider_list() };
- #define PROVIDERS_COUNT ((int)(sizeof(PROVIDERS) / sizeof(RandomSeed_Provider)))
- RandomSeed_t* SystemRandomSeed_new(RandomSeed_Provider* additionalProviders,
- int additionalProviderCount,
- struct Log* logger,
- struct Allocator* alloc)
- {
- int providerCount = PROVIDERS_COUNT + additionalProviderCount;
- RandomSeed_Provider* allProviders =
- Allocator_calloc(alloc, sizeof(RandomSeed_Provider), providerCount+1);
- int i = 0;
- for (int j = 0; j < additionalProviderCount; j++) {
- allProviders[i++] = additionalProviders[j];
- }
- for (int j = 0; j < PROVIDERS_COUNT; j++) {
- allProviders[i++] = PROVIDERS[j];
- }
- return RandomSeed_new(allProviders, providerCount, logger, alloc);
- }
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