diff options
Diffstat (limited to 'scripts/mysqld_safe.sh')
| -rw-r--r-- | scripts/mysqld_safe.sh | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh index cae63343cfc..7eb123b83e2 100644 --- a/scripts/mysqld_safe.sh +++ b/scripts/mysqld_safe.sh @@ -27,7 +27,28 @@ syslog_tag_mysqld_safe=mysqld_safe trap '' 1 2 3 15 # we shouldn't let anyone kill us -umask 007 +# MySQL-specific environment variable. First off, it's not really a umask, +# it's the desired mode. Second, it follows umask(2), not umask(3) in that +# octal needs to be explicit. Our shell might be a proper sh without printf, +# multiple-base arithmetic, and binary arithmetic, so this will get ugly. +# We reject decimal values to keep things at least half-sane. +umask 007 # fallback +UMASK="${UMASK-0640}" +fmode=`echo "$UMASK" | sed -e 's/[^0246]//g'` +octalp=`echo "$fmode"|cut -c1` +fmlen=`echo "$fmode"|wc -c|sed -e 's/ //g'` +if [ "x$octalp" != "x0" -o "x$UMASK" != "x$fmode" -o "x$fmlen" != "x5" ] +then + fmode=0640 + echo "UMASK must be a 3-digit mode with an additional leading 0 to indicate octal." >&2 + echo "The first digit will be corrected to 6, the others may be 0, 2, 4, or 6." >&2 +fi +fmode=`echo "$fmode"|cut -c3-4` +fmode="6$fmode" +if [ "x$UMASK" != "x0$fmode" ] +then + echo "UMASK corrected from $UMASK to 0$fmode ..." +fi defaults= case "$1" in @@ -375,6 +396,12 @@ then # Log to err_log file log_notice "Logging to '$err_log'." logging=file + + if [ ! -e "$err_log" ]; then # if error log already exists, + touch "$err_log" # we just append. otherwise, + chmod "$fmode" "$err_log" # fix the permissions here! + fi + else if [ -n "$syslog_tag" ] then @@ -580,6 +607,12 @@ do eval_log_error "$cmd" + if [ $want_syslog -eq 0 -a ! -e "$err_log" ]; then + touch "$err_log" # hypothetical: log was renamed but not + chown $user "$err_log" # flushed yet. we'd recreate it with + chmod "$fmode" "$err_log" # wrong owner next time we log, so set + fi # it up correctly while we can! + if test ! -f "$pid_file" # This is removed if normal shutdown then break |