First commit

check.sh

+ID=$1
+
+DATA=$(curl -d "id=$ID" -H "application/x-www-form-urlencoded" 192.168.15.75:5000/cons)
+
+echo $DATA
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control.sh

+#!/bin/bash
+HOST=$(hostname)
+PHONE="5493415959169"
+NOW=$(date "+%D %T")
+NOW_EPOCH=$(date -d "$NOW" +"%s")
+LOG_FILE="/dev/shm/info_colmena"
+ENDL="
+"
+BASE="*$HOST*:$ENDL$ENDL"
+
+# Inicializacion
+if [ ! -e $LOG_FILE ]
+then
+  touch $LOG_FILE
+fi
+
+### Carga de CPU ###
+MSG=$BASE
+
+# Cantidad maxima de carga
+RESULT=$(cat /proc/cpuinfo | grep processor | tail -n1 | cut -c13)
+MAX=$(echo $(( ($RESULT + 1) * 100 )) )
+
+# Cantidad actual de carga
+RESULT=$(cat /proc/loadavg | cut -c6-9 | tr -d .)
+RESULT=$(expr $RESULT + 0)
+
+PERC=$(echo $(( $RESULT * 100 / $MAX )) )
+
+# Reinicio automatico
+#if [ ! $PERC -gt 40 ]
+#then
+  #MSG="${MSG}La carga promedio es *$PERC%*. *Reiniciando...*"
+  #wget "${WPPURL}${PHONE}${MSG}"
+  #reboot
+#fi
+
+# Carga maxima superada
+LAST_REPORT=$(grep carga $LOG_FILE | tail -n1 | cut -d ">" -f1)
+LAST_REPORT_EPOCH=$(date -d "$LAST_REPORT + 1 day" +"%s") # Ventana de un dia
+
+if [ -z "$LAST_REPORT" ] || [ $NOW_EPOCH \> $LAST_REPORT_EPOCH ]
+then
+  if [ ! $RESULT -lt $MAX ]
+  then
+    echo "${NOW} > carga" >> $LOG_FILE
+    MSG="${MSG}La carga promedio supera la carga maxima de *$MAX*. *Carga: $RESULT*.$ENDL"
+  fi
+fi
+
+### Temperatura ###
+LAST_REPORT=$(grep temperatura $LOG_FILE | tail -n1 | cut -d ">" -f1)
+LAST_REPORT_EPOCH=$(date -d "$LAST_REPORT + 1 day" +"%s") # Ventana de un dia
+
+if [ -z "$LAST_REPORT" ] || [ $NOW_EPOCH \> $LAST_REPORT_EPOCH ]
+then
+  RESULT=$(sensors | grep °C | head -n1 | cut -c16-17)
+
+  if [ ! $RESULT -lt 70 ]
+  then
+    echo "${NOW} > temperatura" >> /dev/shm/info_colmena
+    MSG="${MSG}La temperatura alcanza *$RESULT°C*.$ENDL"
+  fi
+fi
+
+### Uso del disco ###
+LAST_REPORT=$(grep disco $LOG_FILE | tail -n1 | cut -d ">" -f1)
+LAST_REPORT_EPOCH=$(date -d "$LAST_REPORT + 1 day" +"%s") # Ventana de un dia
+
+if [ -z "$LAST_REPORT" ] || [ $NOW_EPOCH \> $LAST_REPORT_EPOCH ]
+then
+  RESULT=$(df / | cut -c52-54 | grep 9.)
+
+  if [ ! -z "$RESULT" ]
+  then
+    echo "${NOW} > disco" >> /dev/shm/info_colmena
+    MSG="${MSG}El disco se encuentra por arriba del *90%* de uso.$ENDL"
+  fi
+
+  RESULT=$(df / | cut -c52-54 | grep 100)
+
+  if [ ! -z "$RESULT" ]
+  then
+    echo "${NOW} > disco" >> /dev/shm/info_colmena
+    MSG="${MSG}El disco se encuentra en el *100%* del uso.$ENDL"
+  fi
+fi
+
+### Disco roto ###
+LAST_REPORT=$(grep fallo-critico $LOG_FILE | tail -n1 | cut -d ">" -f1)
+LAST_REPORT_EPOCH=$(date -d "$LAST_REPORT + 1 day" +"%s") # Ventana de un dia
+
+if [ -z "$LAST_REPORT" ] || [ $NOW_EPOCH \> $LAST_REPORT_EPOCH ]
+then
+  RESULT=$(dmesg | grep "exception Emask" | tail -n1)
+
+  if [ ! -z "$RESULT" ]
+  then
+    echo "${NOW} > fallo-critico" >> /dev/shm/info_colmena
+    MSG="${MSG}*HAY UN FALLO CRITICO EN UN DISCO*.$ENDL"
+  fi
+fi
+
+### Uso de memoria Swap ###
+LAST_REPORT=$(grep swap $LOG_FILE | tail -n1 | cut -d ">" -f1)
+LAST_REPORT_EPOCH=$(date -d "$LAST_REPORT + 1 day" +"%s") # Ventana de un dia
+
+if [ -z "$LAST_REPORT" ] || [ $NOW_EPOCH \> $LAST_REPORT_EPOCH ]
+then
+  # Cantidad maxima de Swap
+  MAX=$(free | grep Swap | sed 's/\s\+/,/g' | cut -d , -f2)
+
+  # Cantidad usada de Swap
+  RESULT=$(free | grep Swap | sed 's/\s\+/,/g' | cut -d , -f3)
+
+  RESULT=$(echo $(($RESULT * 100 / $MAX)) )
+
+  if [ ! $RESULT -lt 50 ]
+  then
+    echo "${NOW} > swap" >> /dev/shm/info_colmena
+    MSG="${MSG}El swap se encuentra en *$RESULT%* de uso.$ENDL"
+  fi
+fi
+
+# Se pidio mandar algo?
+if [[ ! "$MSG" == "$BASE" ]]
+then
+  ./send.sh wpp1 "$MSG" "$PHONE" "text"
+fi

send.sh

+SERV=$1
+MSG=$2
+PHONE=$3
+TYPE=$4
+
+# receive public key if one doesn't exist
+if [ ! -e server_rsa_key.pub ]
+then
+  echo "getting new public key from server"
+  PUB_KEY=$(curl 192.168.15.75:5000/init)
+  printf "%s" "$PUB_KEY" > server_rsa_key.pub
+fi
+
+# generate random key
+echo "generating random encryption key"
+openssl rand -base64 32 > rand.key
+
+# encode data with random key
+echo "encoding $MSG with random key"
+echo "$MSG" | openssl enc -aes-256-cbc -salt -out data.enc -pass file:./rand.key
+#printf "%s" "$MSG" > data
+
+# encrypt random key with server's pubkey
+openssl rsautl -encrypt -inkey server_rsa_key.pub -pubin -in rand.key -out rand.key.enc
+rm rand.key
+
+# send data as file (with optional encripted symectric key)
+curl -F "data=@data.enc" -F "key=@rand.key.enc" 192.168.15.75:5000/data
+#curl -F "data=@data" 192.168.15.75:5000/data
+
+# send the rest of the parameter to send the data
+echo "calling message sending method of server"
+DATA=$(curl -d "serv=$SERV" -d "dest=$PHONE" -d "type=$TYPE" 192.168.15.75:5000/msg)
+
+echo $DATA >> msg_ids.txt
+
+# cleanup
+rm ./rand.key.enc
+rm ./data.enc
+
+# DEBUGGING
+rm /dev/shm/info_colmena
+rm ./server_rsa_key.pub
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