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Fix OpenSSL v1.1+ incompatibility #48

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Fix OpenSSL v1.1+ incompatibility #48

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13 changes: 10 additions & 3 deletions transcrypt
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Original file line number Diff line number Diff line change
Expand Up @@ -136,15 +136,22 @@ run_safety_checks() {

# unset the cipher variable if it is not supported by openssl
validate_cipher() {
local supported=$(openssl list-cipher-commands | grep --line-regexp "$cipher")
# Support for OpenSSL versions after and before 1.1.0
local list_cipher_commands="openssl list-cipher-commands"
if [[ $($list_cipher_commands 2> /dev/null) ]]; then
local supported=$(openssl list-cipher-commands | grep --line-regexp "$cipher")
else
list_cipher_commands="openssl list -cipher-commands"
local supported=$(openssl list -cipher-commands | tr -s ' ' '\n' | grep --line-regexp "$cipher")
fi
if [[ ! $supported ]]; then
if [[ $interactive ]]; then
printf '"%s" is not a valid cipher; choose one of the following:\n\n' "$cipher"
openssl list-cipher-commands | column -c 80
$list_cipher_commands | column -c 80
printf '\n'
unset cipher
else
die 1 '"%s" is not a valid cipher; see `openssl list-cipher-commands`' "$cipher"
die 1 '"%s" is not a valid cipher; see `%s`' "$cipher" "$list_cipher_commands"
fi
fi
}
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