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authorEtienne CHAMPETIER <champetier.etienne@gmail.com>2016-07-20 12:22:44 +0000
committerDaniel Golle <daniel@makrotopia.org>2016-07-27 01:24:54 +0200
commit35e423ca41d52c0415bfd2d781482d8cf2a9b067 (patch)
tree9958b484120b7acf8f63eea69920da7686456b8e /package/base-files
parentb8cd996d9260bd3510c9b78de77f472072202d3d (diff)
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base-files: use procd init for urandom_seed
Previous implementation was blocking the init and breaking halt/reboot/sysupgrade (reported by Daniel Golle) v2: use procd logging, use set -e + trap for error handling Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com> Tested-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'package/base-files')
-rwxr-xr-xpackage/base-files/files/etc/init.d/urandom_seed33
-rwxr-xr-xpackage/base-files/files/sbin/urandom_seed20
2 files changed, 28 insertions, 25 deletions
diff --git a/package/base-files/files/etc/init.d/urandom_seed b/package/base-files/files/etc/init.d/urandom_seed
index cb2eb444fc..17d9c13400 100755
--- a/package/base-files/files/etc/init.d/urandom_seed
+++ b/package/base-files/files/etc/init.d/urandom_seed
@@ -1,29 +1,12 @@
#!/bin/sh /etc/rc.common
START=99
-
-EXTRA_COMMANDS="save"
-
-_log() {
- logger -t urandom_seed "$1"
-}
-
-_save() {
- touch $1.tmp || { _log "touch $1 failed"; return; }
- chown root:root $1.tmp || { _log "chown $1 failed"; return; }
- chmod 600 $1.tmp || { _log "chmod $1 failed"; return; }
- getrandom 512 > $1.tmp || { _log "getrandom failed"; return; }
- mv $1.tmp $1 || { _log "mv $1 failed"; return; }
-}
-
-save() {
- SEED="$(uci -q get system.@system[0].urandom_seed)"
- [ "${SEED:0:1}" == "/" ] && _save "$SEED" && _log "Seed saved ($SEED)"
-
- SEED=/etc/urandom.seed
- [ ! -f $SEED ] && _save "$SEED" && _log "Seed saved ($SEED)"
-}
-
-boot() {
- save
+USE_PROCD=1
+
+start_service() {
+ procd_open_instance "urandom_seed"
+ procd_set_param command "/sbin/urandom_seed"
+ procd_set_param stdout 1
+ procd_set_param stderr 1
+ procd_close_instance
}
diff --git a/package/base-files/files/sbin/urandom_seed b/package/base-files/files/sbin/urandom_seed
new file mode 100755
index 0000000000..16d36574eb
--- /dev/null
+++ b/package/base-files/files/sbin/urandom_seed
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+trap '[ "$?" -eq 0 ] || echo "An error occured" >&2' EXIT
+
+save() {
+ touch "$1.tmp"
+ chown root:root "$1.tmp"
+ chmod 600 "$1.tmp"
+ getrandom 512 > "$1.tmp"
+ mv "$1.tmp" "$1"
+ echo "Seed saved ($1)"
+}
+
+SEED="$(uci -q get system.@system[0].urandom_seed || true)"
+[ "${SEED:0:1}" == "/" ] && save "$SEED"
+
+SEED=/etc/urandom.seed
+[ ! -f $SEED ] && save "$SEED"
+true