add network libs

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/network b/lib/network
new file mode 100644
index 00000000..9d7ea197
--- /dev/null
+++ b/lib/network
@@ -0,0 +1,49 @@
+#!/bin/sh
+#include core
+
+anytelnet(){
+  # find Telnet or similar and executes it at the end
+  # requires exist
+  # if env TELNET is set, will be trying to run this 
+  # Tries the following things:
+  #     telnet
+  #     nc
+  #     netcat
+  #     busybox telnet
+  if [ -e "${TELNET:-does_not_exist}" ]; then
+    info"Will be using $TELNET as Telnet Client"
+  elif exists telnet ;then
+    TELNET="$(command -v telnet)"
+  elif exists nc ;then
+    TELNET="$(command -v nc)"
+  elif exists netcat;then
+    TELNET="$(command -v netcat)"
+  elif exists busybox;then
+    TELNET="$(command -v busybox) telnet"
+  else
+    error "Cannot find telnet binary, please install either telnet-client or busybox or netcat or provided TELNET environment.\nbailing out!" 
+    return 1
+  fi
+  $TELNET $@
+}
+
+send_irc(){
+  ## reads from stdin, writes to IRC
+  ##
+  ## requires func: exists() anytelnet()
+  if [ -z "${HOSTN:-}" ]; then
+    HOSTN="$(get_hostname)"
+    info "no HOSTN given, using $HOSTN instead"
+  fi
+  IRCCHANNEL=${IRCCHANNEL:-"#krebs_incoming"}
+  IRCSERVER=${IRCSERVER:-"irc.freenode.net"}
+  IRCPORT=${IRCPORT:-6667}
+  NICK="${HOSTN}_$(head /dev/urandom | tr -dc "0123456789" | head -c3)"
+  info "starting irc connect as $NICK"
+  (   echo "NICK $NICK";
+      echo "USER $NICK $IRCSERVER bla : $NICK";
+      echo "JOIN $IRCCHANNEL";
+      sleep 23;
+      while read line; do echo "PRIVMSG $IRCCHANNEL :$line";sleep 1;done
+      sleep 5; ) | anytelnet $IRCSERVER $IRCPORT 2>/dev/null | line_to_dot
+}