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Merge branch 'maint-0.3.2'
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commit
a798ba6e9b
3
changes/ticket24500
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3
changes/ticket24500
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@ -0,0 +1,3 @@
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o Minor features (logging):
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- Provide better warnings when the getrandom() syscall fails.
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Closes ticket 24500.
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@ -2875,8 +2875,17 @@ crypto_strongest_rand_syscall(uint8_t *out, size_t out_len)
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tor_assert(errno != EAGAIN);
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tor_assert(errno != EINTR);
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/* Probably ENOSYS. */
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log_warn(LD_CRYPTO, "Can't get entropy from getrandom().");
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/* Useful log message for errno. */
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if (errno == ENOSYS) {
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log_warn(LD_CRYPTO, "Can't get entropy from getrandom(). "
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" You are running a version of Tor built to support"
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" getrandom(), but the kernel doesn't implement this"
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" implement this function--probably because it is too old?");
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} else {
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log_warn(LD_CRYPTO, "Can't get entropy from getrandom(): %s.",
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strerror(errno));
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}
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getrandom_works = 0; /* Don't bother trying again. */
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return -1;
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/* LCOV_EXCL_STOP */
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