diff options
author | Jameson Graef Rollins <jrollins@finestructure.net> | 2009-02-16 23:45:28 -0500 |
---|---|---|
committer | Jameson Graef Rollins <jrollins@finestructure.net> | 2009-02-16 23:45:28 -0500 |
commit | f109b94f07ff55cf99976dc3cfe23b54b3797ad8 (patch) | |
tree | 676893eb71460a9921a42247a2e779e6497df1f9 /src/share/mh/import_key | |
parent | cc26b64f9d83de2d9e567f9a1c223233fe0bb860 (diff) |
add some minimal checks to import_key that the default hostname is legitimate.
Diffstat (limited to 'src/share/mh/import_key')
-rw-r--r-- | src/share/mh/import_key | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/share/mh/import_key b/src/share/mh/import_key index 74dc0b3..ac31133 100644 --- a/src/share/mh/import_key +++ b/src/share/mh/import_key @@ -14,9 +14,27 @@ import_key() { local hostName +local domain local userID -hostName=${1:-$(hostname -f)} +hostName="$1" + +# use the default hostname if not specified +if [ -z "$hostName" ] ; then + hostName=$(hostname -f) + # test that the domain is not obviously illegitimate + domain=${foo##*.} + case $domain in + 'local'|'localdomain') + failure "Host domain '$domain' is not legitimate. Aborting key import." + ;; + esac + # test that there are at least two parts + if (( $(echo "$hostName" | tr . ' ' | wc -w) < 2 )) ; then + failure "Host name '$hostName' is not legitimate. Aborting key import." + fi +fi + userID="ssh://${hostName}" # create host home |