syslog-ng: add logread wrapper

Many (LuCI) packages require logread. Otherwise, for example, System Log tab in LuCI is empty

Signed-off-by: Dirk Brenken <[email protected]>

diff --git a/admin/syslog-ng/Makefile b/admin/syslog-ng/Makefile
index 06a7f9402eecd6afa1d9f86ce432530f40aef46d..7cbb1571833aed97168ba711d8b29c337bfad397 100644 (file)
--- a/admin/syslog-ng/Makefile
+++ b/admin/syslog-ng/Makefile
@@ -82,6 +82,8 @@ define Package/syslog-ng/install
        $(INSTALL_DIR) $(1)/etc/syslog-ng.d
        $(INSTALL_DATA) ./files/syslog-ng.conf $(1)/etc
        touch $(1)/etc/syslog-ng.d/.keep
+
+       $(INSTALL_BIN) ./files/logread $(1)/usr/sbin
 endef
 
 define Package/syslog-ng/postinst

diff --git a/admin/syslog-ng/files/logread b/admin/syslog-ng/files/logread
new file mode 100644 (file)
index 0000000..9dfe357
--- /dev/null
+++ b/admin/syslog-ng/files/logread
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Shell script compatibility wrapper for /sbin/logread
+#
+# Copyright (C) 2019 Dirk Brenken <[email protected]>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+logfile="/var/log/messages"
+
+if [ ! -f "${logfile}" ]
+then
+       printf "%s\n" "Error: logfile not found!"
+       exit 2
+fi
+
+usage()
+{
+       printf "%s\n" "Usage: logread [options]"
+       printf "%s\n" "Options:"
+       printf "%5s %-10s%s\n" "-l" "<count>" "Got only the last 'count' messages"
+       printf "%5s %-10s%s\n" "-e" "<pattern>" "Filter messages with a regexp"
+       printf "%5s %-10s%s\n" "-f" "" "Follow log messages"
+       printf "%5s %-10s%s\n" "-h" "" "Print this help message"
+}
+
+if [ -z "${1}" ]
+then
+       cat "${logfile}"
+       exit 0
+else
+       while [ "${1}" ]
+       do
+               case "${1}" in
+                       -l)
+                               shift
+                               count="${1//[^0-9]/}"
+                               tail -n "${count:-50}" "${logfile}"
+                               exit 0
+                               ;;
+                       -e)
+                               shift
+                               pattern="${1}"
+                               grep -E "${pattern}" "${logfile}"
+                               exit 0
+                               ;;
+                       -f)
+                               tail -f "${logfile}"
+                               exit 0
+                               ;;
+                       -fe)
+                               shift
+                               pattern="${1}"
+                               tail -f "${logfile}" | grep -E "${pattern}"
+                               exit 0
+                               ;;
+                       -h|*)
+                               usage
+                               exit 1
+                               ;;
+               esac
+               shift
+       done
+fi