From c0115a43369a9489bb2abe98119af86911ca0710 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@cryptonomic.net>
Date: Sat, 30 Oct 2021 09:04:46 -0400
Subject: simplify AnonymousAccessCommand

cleaned up "authline_to_sshfp" function.
---
 EndoForge/src/AnonymousAccessCommand | 49 ++++++++++++++----------------------
 1 file changed, 19 insertions(+), 30 deletions(-)

diff --git a/EndoForge/src/AnonymousAccessCommand b/EndoForge/src/AnonymousAccessCommand
index 082f185..e000811 100755
--- a/EndoForge/src/AnonymousAccessCommand
+++ b/EndoForge/src/AnonymousAccessCommand
@@ -1,7 +1,7 @@
 #!/bin/sh
 default_msg()
 {
-    sshfpline="$(get_sshfp_authline ${SSH_CLIENT%% *})"
+    sshfpline="$(authline_to_sshfp "$authline" "${SSH_CLIENT%% *}")"
     cat <<EOF >&2
 
     You are:
@@ -26,42 +26,31 @@ Error: access denied.  The specified directory is not a self-forge.
 EOF
 }
 
-get_sshfp_authline()
+authline_to_sshfp()
 {
     (
-        r=${1:-.}
-        key=$(mktemp) || exit
-        trap 'rm -rf "$key"' EXIT
-        echo "$authline" > "$key"
-        get_sshfp "$key" "$r"
-    )
-}
-
-get_sshfp()
-{
-    (
-        key="$1"
-        r="${2:-.}"
-        dns=$(mktemp) || exit
-        trap 'rm -rf "$dns"' EXIT
-
-        ssh-keygen -r "$r" -f "$key" > "$dns"
-        exec < "$dns"
-        while read line
-        do
-            set -- $line
-            if [ "$3 $5" = "SSHFP 2" ]
-            then
-                echo "$line"
-                break
-            fi
-        done
+        authline=$1
+        dnsname=${2:-.}
+
+        authfile=$(mktemp) || exit
+        trap 'rm -f "$authfile"' EXIT
+        echo "$authline" > "$authfile"
+        ssh-keygen -f "$authfile" -r "$dnsname" |
+            while read line
+            do
+                set -- $line
+                if [ "$3 $5" = "SSHFP 2" ]
+                then
+                    echo "$line"
+                    break
+                fi
+            done
     )
 }
 
 ssh_client_fingerprint_base16()
 {
-    set -- $(get_sshfp_authline)
+    set -- $(authline_to_sshfp "$authline")
     [ "$6" ]
     echo $6
 }
-- 
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