commit 779e4b9dcf850770a7c30104f714f4a59c2955a8 Author: Nick Mathewson nickm@torproject.org Date: Tue Dec 5 12:09:57 2017 -0500

Tweaks to strings in 24500 --- changes/ticket24500 | 4 ++-- src/common/crypto.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/changes/ticket24500 b/changes/ticket24500 index 0f1778d46..b49b7a555 100644 --- a/changes/ticket24500 +++ b/changes/ticket24500 @@ -1,3 +1,3 @@ - o Code simplification and refactoring: - - Making more useful log messages for errno errors on getrandom() call. + o Minor features (logging): + - Provide better warnings when the getrandom() syscall fails. Closes ticket 24500. diff --git a/src/common/crypto.c b/src/common/crypto.c index 7f034ee94..380f038f4 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -2877,12 +2877,12 @@ crypto_strongest_rand_syscall(uint8_t *out, size_t out_len)

/* Useful log message for errno. */ if (errno == ENOSYS) { - log_warn(LD_CRYPTO, "This warning is caused by ENOSYS error." + log_warn(LD_CRYPTO, "Can't get entropy from getrandom(). " " You are running a version of Tor built to support" - " getrandom(), but the kernel is too old and doesn't" - " implement this function."); + " getrandom(), but the kernel doesn't implement this" + " implement this function--probably because it is too old?"); } else { - log_warn(LD_CRYPTO, "Can't get entropy from getrandom(). %s error.", + log_warn(LD_CRYPTO, "Can't get entropy from getrandom(): %s.", strerror(errno)); }