diff options
Diffstat (limited to 'src/fripost-partman-udeb/base.sh')
| -rw-r--r-- | src/fripost-partman-udeb/base.sh | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/fripost-partman-udeb/base.sh b/src/fripost-partman-udeb/base.sh index 449d3ae..b6af4d1 100644 --- a/src/fripost-partman-udeb/base.sh +++ b/src/fripost-partman-udeb/base.sh @@ -35,7 +35,7 @@ fatal() { # Ensure stdout is opened with line buffering. If some day stdbuf(1) is # available in busybox, we should replace the LD_PRELOAD by 'stdbuf -oL -eL'. -# XXX: see #751394 +# XXX: workaround for #751394 stdbuf() { LD_PRELOAD=/lib/fripost-partman/stdbuf.so "$@" } @@ -298,12 +298,15 @@ fripost_encrypt() { AllowAgentForwarding no AllowTcpForwarding no + PermitOpen none + PermitTTY no + PermitUserRC no ForceCommand /bin/cat >$keyfile EOF # Populate the authorized keys. [ -d ~root/.ssh ] || mkdir -m0700 ~root/.ssh - copy_authorized_keys $import/authorized_keys ~root/.ssh/authorized_keys 'no-pty' + copy_authorized_keys $import/authorized_keys ~root/.ssh/authorized_keys # Start the SSH daemon touch /var/log/lastlog @@ -312,7 +315,7 @@ fripost_encrypt() { # Tell the user we're ready db_subst fripost/encryption-slurpkey_text IPv4 "$(getIPv4)" db_subst fripost/encryption-slurpkey_text SSHFPR_SERVER \ - "$(/usr/bin/ssh-keygen -lf $sshHostKey)" + "$(sshfprs ${sshHostKey}.pub)" db_subst fripost/encryption-slurpkey_text SSHFPR_AUTHORIZED \ "$(sshfprs ~root/.ssh/authorized_keys ' - ')" @@ -379,21 +382,22 @@ fripost_encrypt() { # Like ssh-keygen -lf, but for a file such as authorized_keys, which -# may contain multiple keys. +# may contain multiple keys. Also, use the comment associated with the +# key rather than the filename. # -# Usage: sshfprs.sh file [prefix] +# Usage: sshfprs file [prefix] sshfprs() { - local file="$1" prefix="${2:-}" pk + local file="$1" prefix="${2:-}" type pk comment pkf=$(mktemp) - while read pk; do + sed -nr "s#^([^#]+\s)?(ssh-(dss|rsa|ed25519)|ecdsa-sha2-nistp(256|384|521))\s#\2 #p" "$file" | \ + while read type pk comment; do # /usr/bin/ssh-keygen can't read from STDIN, and the '<<<' is # not POSIX, so we save each pubkey in a temporary file - pkf=$(mktemp) - echo "$pk" > "$pkf" - echo "${prefix}$(/usr/bin/ssh-keygen -lf $pkf)" - rm -f "$pkf" - done < "$file" + echo "$type $pk $comment" > "$pkf" + echo "${prefix}$(/usr/bin/ssh-keygen -lf $pkf | sed "s#$pkf#$comment#")" + done + rm -f "$pkf" } # Copy an authorized_keys file, possibly adding some options. The input @@ -403,7 +407,7 @@ sshfprs() { copy_authorized_keys() { local from="$1" to="$2" if [ $# -gt 2 ]; then - sed -r "s#^([^#]+\s)?(ssh-(dss|rsa)|ecdsa-sha2-nistp(256|384|521))\s#$3 \2 #" \ + sed -r "s#^([^#]+\s)?(ssh-(dss|rsa|ed25519)|ecdsa-sha2-nistp(256|384|521))\s#$3 \2 #" \ "$from" > "$to" else cp "$from" "$to" |