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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2019-10-27 12:36:05 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2019-11-12 15:35:26 -0800 |
| commit | 483b94292e89587e5ab40a30b8a90e2f56e847f3 (patch) | |
| tree | cc2844001bfc7610bf08b807f51728a208981c0f /src/randomenv.cpp | |
| parent | 11793ea22e1298fa7d3b44a5b6d20830248d8cf4 (diff) | |
| download | bitcoin-483b94292e89587e5ab40a30b8a90e2f56e847f3.tar.xz | |
Add information gathered through getauxval()
Suggested by Wladimir van der Laan.
Diffstat (limited to 'src/randomenv.cpp')
| -rw-r--r-- | src/randomenv.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/randomenv.cpp b/src/randomenv.cpp index bfe57dafe5..05be090d93 100644 --- a/src/randomenv.cpp +++ b/src/randomenv.cpp @@ -57,6 +57,9 @@ #include <sys/vmmeter.h> #endif #endif +#ifdef __linux__ +#include <sys/auxv.h> +#endif //! Necessary on some platforms extern char** environ; @@ -329,6 +332,28 @@ void RandAddStaticEnv(CSHA512& hasher) // Bitcoin client version hasher << CLIENT_VERSION; +#ifdef __linux__ + // Information available through getauxval() +# ifdef AT_HWCAP + hasher << getauxval(AT_HWCAP); +# endif +# ifdef AT_HWCAP2 + hasher << getauxval(AT_HWCAP2); +# endif +# ifdef AT_RANDOM + const unsigned char* random_aux = (const unsigned char*)getauxval(AT_RANDOM); + if (random_aux) hasher.Write(random_aux, 16); +# endif +# ifdef AT_PLATFORM + const char* platform_str = (const char*)getauxval(AT_PLATFORM); + if (platform_str) hasher.Write((const unsigned char*)platform_str, strlen(platform_str) + 1); +# endif +# ifdef AT_EXECFN + const char* exec_str = (const char*)getauxval(AT_EXECFN); + if (exec_str) hasher.Write((const unsigned char*)exec_str, strlen(exec_str) + 1); +# endif +#endif // __linux__ + #ifdef HAVE_GETCPUID AddAllCPUID(hasher); #endif |