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authorKonstantin Demin <rockdrilla@gmail.com>2019-03-25 21:59:47 +0300
committerHans Dedecker <dedeckeh@gmail.com>2019-03-25 22:25:34 +0100
commit5eb7864aadd5d4dffdb9befb87ba9a025a728b71 (patch)
treed2b78a007aae93a41269cfba9d96dea693f3ba5d /package/network/services/dropbear/files
parent6145e59881786bf048663ee4b00e82b286ae8bc9 (diff)
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dropbear: rewrite init script startup logic to handle both host key files
Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>
Diffstat (limited to 'package/network/services/dropbear/files')
-rwxr-xr-xpackage/network/services/dropbear/files/dropbear.init62
1 files changed, 38 insertions, 24 deletions
diff --git a/package/network/services/dropbear/files/dropbear.init b/package/network/services/dropbear/files/dropbear.init
index b830ddcc5a..173ab09285 100755
--- a/package/network/services/dropbear/files/dropbear.init
+++ b/package/network/services/dropbear/files/dropbear.init
@@ -60,6 +60,43 @@ hk_config__keyfile()
hk_config 'keyfile' "$1"
}
+hk_generate_as_needed()
+{
+ local kdir kgen ktype tdir kcount tfile
+ kdir='/etc/dropbear'
+
+ kgen=''
+ for ktype in ecdsa rsa; do
+ hk_verify "${kdir}/dropbear_${ktype}_host_key" && continue
+
+ kgen="${kgen} ${ktype}"
+ done
+
+ [ -z "${kgen}" ] && return
+
+ tdir=$(mktemp -d); chmod 0700 "${tdir}"
+
+ kcount=0
+ for ktype in ${kgen}; do
+ tfile="${tdir}/dropbear_${ktype}_host_key"
+
+ if ! _dropbearkey -t ${ktype} -f "${tfile}"; then
+ # unsupported key type
+ rm -f "${tfile}"
+ continue
+ fi
+
+ kcount=$((kcount+1))
+ done
+
+ if [ ${kcount} -ne 0 ]; then
+ mkdir -p "${kdir}"; chmod 0700 "${kdir}"; chown root "${kdir}"
+ mv -f "${tdir}/"* "${kdir}/"
+ fi
+
+ rm -rf "${tdir}"
+}
+
append_ports()
{
local ipaddrs="$1"
@@ -142,29 +179,6 @@ dropbear_instance()
procd_close_instance
}
-keygen()
-{
- for keytype in rsa; do
- # check for keys
- key=dropbear/dropbear_${keytype}_host_key
- [ -f /tmp/$key -o -s /etc/$key ] || {
- # generate missing keys
- mkdir -p /tmp/dropbear
- [ -x /usr/bin/dropbearkey ] && {
- /usr/bin/dropbearkey -t $keytype -f /tmp/$key 2>&- >&- && exec /etc/rc.common "$initscript" start
- } &
- exit 0
- }
- done
-
- lock /tmp/.switch2jffs
- mkdir -p /etc/dropbear
- mv /tmp/dropbear/dropbear_* /etc/dropbear/
- lock -u /tmp/.switch2jffs
- chown root /etc/dropbear
- chmod 0700 /etc/dropbear
-}
-
load_interfaces()
{
config_get interface "$1" Interface
@@ -181,7 +195,7 @@ boot()
start_service()
{
- [ -s /etc/dropbear/dropbear_rsa_host_key ] || keygen
+ hk_generate_as_needed
. /lib/functions.sh
. /lib/functions/network.sh