1 files changed, 138 insertions, 0 deletions

diff --git a/meta/packages/initscripts/initscripts-1.0/populate-volatile.sh b/meta/packages/initscripts/initscripts-1.0/populate-volatile.sh
new file mode 100755
index 0000000000..99a469d576
--- /dev/null
+++ b/meta/packages/initscripts/initscripts-1.0/populate-volatile.sh
@@ -0,0 +1,138 @@
+#!/bin/sh
+
+. /etc/default/rcS
+
+CFGDIR="/etc/default/volatiles"
+TMPROOT="/var/tmp"
+COREDEF="00_core"
+
+[ "${VERBOSE}" != "no" ] && echo "Populating volatile Filesystems."
+
+
+check_requirements() {
+
+  cleanup() {
+    rm "${TMP_INTERMED}"
+    rm "${TMP_DEFINED}"
+    rm "${TMP_COMBINED}"
+    }
+    
+  CFGFILE="$1"
+
+  [ `basename "${CFGFILE}"` = "${COREDEF}" ] && return 0
+
+  TMP_INTERMED="${TMPROOT}/tmp.$$"
+  TMP_DEFINED="${TMPROOT}/tmpdefined.$$"
+  TMP_COMBINED="${TMPROOT}/tmpcombined.$$"
+
+
+  cat /etc/passwd | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}"
+  cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 2 > "${TMP_INTERMED}"
+  cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}"
+
+  NR_DEFINED_USERS="`cat "${TMP_DEFINED}" | wc -l`"
+  NR_COMBINED_USERS="`cat "${TMP_COMBINED}" | wc -l`"
+
+  [ "${NR_DEFINED_USERS}" -ne "${NR_COMBINED_USERS}" ] && {
+    echo "Undefined users:"
+    diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>"
+    cleanup
+    return 1
+    }
+
+
+  cat /etc/group | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}"
+  cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 3 > "${TMP_INTERMED}"
+  cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}"
+
+  NR_DEFINED_GROUPS="`cat "${TMP_DEFINED}" | wc -l`"
+  NR_COMBINED_GROUPS="`cat "${TMP_COMBINED}" | wc -l`"
+
+  [ "${NR_DEFINED_GROUPS}" -ne "${NR_COMBINED_GROUPS}" ] && {
+    echo "Undefined groups:"
+    diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>"
+    cleanup
+    return 1
+    }
+
+  # Add checks for required directories here
+
+  cleanup
+  return 0
+  }
+
+apply_cfgfile() {
+
+  CFGFILE="$1"
+
+  check_requirements "${CFGFILE}" || {
+    echo "Skipping ${CFGFILE}"
+    return 1
+    }
+
+  cat ${CFGFILE} | grep -v "^#" | \
+  while read LINE; do
+    TTYPE=`echo ${LINE} | cut -d " " -f 1`
+    TUSER=`echo ${LINE} | cut -d " " -f 2`
+    TGROUP=`echo ${LINE} | cut -d " " -f 3`
+    TMODE=`echo ${LINE} | cut -d " " -f 4`
+    TNAME=`echo ${LINE} | cut -d " " -f 5`
+
+    [ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-."
+
+    [ "${TTYPE}" = "l" ] && {
+      [ -e "${TNAME}" ] && {
+        echo "Cannot create link over existing -${TNAME}-." >&2
+        } || {
+        TSOURCE=`echo ${LINE} | cut -d " " -f 6`
+        [ "${VERBOSE}" != "no" ] && echo "Creating link -${TNAME}- pointing to -${TSOURCE}-."
+        ln -s "${TSOURCE}" "${TNAME}"
+        }
+      continue
+      }
+
+    [ -L "${TNAME}" ] && {
+      [ "${VERBOSE}" != "no" ] && echo "Found link."
+      NEWNAME=`ls -l "${TNAME}" | sed -e 's/^.*-> \(.*\)$/\1/'`
+      echo ${NEWNAME} | grep -v "^/" >/dev/null && {
+        TNAME="`echo ${TNAME} | sed -e 's@\(.*\)/.*@\1@'`/${NEWNAME}"
+        [ "${VERBOSE}" != "no" ] && echo "Converted relative linktarget to absolute path -${TNAME}-."
+        } || {
+        TNAME="${NEWNAME}"
+        [ "${VERBOSE}" != "no" ] && echo "Using absolute link target -${TNAME}-."
+        }
+      }
+
+    [ -e "${TNAME}" ] && {
+      [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
+      continue
+      }
+
+    case "${TTYPE}" in
+      "f")  [ "${VERBOSE}" != "no" ] && echo "Creating file -${TNAME}-."
+            touch "${TNAME}"
+            ;;
+      "d")  [ "${VERBOSE}" != "no" ] && echo "Creating directory -${TNAME}-."
+            mkdir -p "${TNAME}"
+            # Add check to see if there's an entry in fstab to mount.
+            ;;
+      *)    [ "${VERBOSE}" != "no" ] && echo "Invalid type -${TTYPE}-."
+            continue
+            ;;
+    esac
+
+    chown ${TUSER} ${TNAME} || echo "Failed to set owner -${TUSER}- for -${TNAME}-." >&2
+    chgrp ${TGROUP} ${TNAME} || echo "Failed to set group -${TGROUP}- for -${TNAME}-." >&2
+    chmod ${TMODE} ${TNAME} || echo "Failed to set mode -${TMODE}- for -${TNAME}-." >&2
+
+    done
+
+  return 0
+
+  }
+
+
+for file in `ls -1 "${CFGDIR}" | sort`; do
+  apply_cfgfile "${CFGDIR}/${file}"
+  done
+