Subject: Work around /dev/fd/<num> no longer being created by systemd
Author: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
Date: 2020-05-21
Bug: https://github.com/latchset/clevis/issues/262
Bug-Debian: https://bugs.debian.org/968518

--- a/src/clevis-decrypt
+++ b/src/clevis-decrypt
@@ -46,7 +46,8 @@
         exit 1
     fi
 
-    exec "$cmd" < <(echo -n "$hdr."; /bin/cat)
+    (echo -n "$hdr."; /bin/cat) | "$cmd"
+    exit $?
 fi
 
 exec >&2
--- a/src/pins/tang/clevis-decrypt-tang
+++ b/src/pins/tang/clevis-decrypt-tang
@@ -88,4 +88,5 @@
 tmp="$(jose jwk exc -i '{"alg":"ECMR"}' -l- -r- <<< "$eph$srv")"
 rep="$(jose jwk pub -i- <<< "$rep")"
 jwk="$(jose jwk exc -l- -r- <<< "$rep$tmp")"
-exec jose jwe dec -k- -i- < <(echo -n "$jwk$hdr."; /bin/cat)
+(echo -n "$jwk$hdr."; /bin/cat) | jose jwe dec -k- -i-
+exit $?
--- a/src/pins/tpm2/clevis-decrypt-tpm2
+++ b/src/pins/tpm2/clevis-decrypt-tpm2
@@ -169,4 +169,5 @@
 # directory at this point.
 [ -d "${TMP}" ] && rm -rf "${TMP}"
 
-exec jose jwe dec -k- -i- < <(echo -n "$jwk$hdr."; /bin/cat)
+(echo -n "$jwk$hdr."; /bin/cat) | jose jwe dec -k- -i-
+exit $?