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authorAndrew Cady <d@cryptonomic.net>2021-10-30 09:04:46 -0400
committerAndrew Cady <d@cryptonomic.net>2021-10-30 09:04:46 -0400
commitc0115a43369a9489bb2abe98119af86911ca0710 (patch)
tree62f82352429b0586ce93abcd83e05a4f294aeffa /EndoForge/src
parent6d6afb40c72253784149c80fb3851970ef4f0305 (diff)
simplify AnonymousAccessCommandHEADmasterlive
cleaned up "authline_to_sshfp" function.
Diffstat (limited to 'EndoForge/src')
-rwxr-xr-xEndoForge/src/AnonymousAccessCommand49
1 files 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 @@
1#!/bin/sh 1#!/bin/sh
2default_msg() 2default_msg()
3{ 3{
4 sshfpline="$(get_sshfp_authline ${SSH_CLIENT%% *})" 4 sshfpline="$(authline_to_sshfp "$authline" "${SSH_CLIENT%% *}")"
5 cat <<EOF >&2 5 cat <<EOF >&2
6 6
7 You are: 7 You are:
@@ -26,42 +26,31 @@ Error: access denied. The specified directory is not a self-forge.
26EOF 26EOF
27} 27}
28 28
29get_sshfp_authline() 29authline_to_sshfp()
30{ 30{
31 ( 31 (
32 r=${1:-.} 32 authline=$1
33 key=$(mktemp) || exit 33 dnsname=${2:-.}
34 trap 'rm -rf "$key"' EXIT 34
35 echo "$authline" > "$key" 35 authfile=$(mktemp) || exit
36 get_sshfp "$key" "$r" 36 trap 'rm -f "$authfile"' EXIT
37 ) 37 echo "$authline" > "$authfile"
38} 38 ssh-keygen -f "$authfile" -r "$dnsname" |
39 39 while read line
40get_sshfp() 40 do
41{ 41 set -- $line
42 ( 42 if [ "$3 $5" = "SSHFP 2" ]
43 key="$1" 43 then
44 r="${2:-.}" 44 echo "$line"
45 dns=$(mktemp) || exit 45 break
46 trap 'rm -rf "$dns"' EXIT 46 fi
47 47 done
48 ssh-keygen -r "$r" -f "$key" > "$dns"
49 exec < "$dns"
50 while read line
51 do
52 set -- $line
53 if [ "$3 $5" = "SSHFP 2" ]
54 then
55 echo "$line"
56 break
57 fi
58 done
59 ) 48 )
60} 49}
61 50
62ssh_client_fingerprint_base16() 51ssh_client_fingerprint_base16()
63{ 52{
64 set -- $(get_sshfp_authline) 53 set -- $(authline_to_sshfp "$authline")
65 [ "$6" ] 54 [ "$6" ]
66 echo $6 55 echo $6
67} 56}