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Try /usr/bin/echo for testing

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.. although it seems not an option to include this in prod.
RSsee https://github.com/testssl/testssl.sh/issues/2765

Omitting redirecting stderr
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Dirk Wetter
2025-05-12 10:43:43 +02:00
parent f1daf10c30
commit 0aad0a0fac
1 changed files with 1 additions and 1 deletions
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testssl.sh
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@ -17656,7 +17656,7 @@ run_renego() {
# s_client STDIN too early as the close could come at any time and race with the tear down of s_client.
# See https://github.com/drwetter/testssl.sh/issues/2590
# In this case the added iteration is harmless as it will just spin in backgroup
for ((i=0; i <= ssl_reneg_attempts; i++ )); do sleep $ssl_reneg_wait; echo R 2>/dev/null; k=0; \
for ((i=0; i <= ssl_reneg_attempts; i++ )); do sleep $ssl_reneg_wait; /usr/bin/echo R 2>/dev/null; k=0; \
# 0 means client is renegotiating & doesn't return an error --> vuln!
# 1 means client tried to renegotiating but the server side errored then. You still see RENEGOTIATING in the output
# Exemption from above: server closed the connection but return value was zero