adding a small rfc3161 client shell script

goodies/timestamp-file.sh

@@ -0,0 +1,116 @@
+#!/bin/sh
+
+RCol='\33[0m'    # Text Reset
+
+# Regular            Bold                 Underline            High Intensity       BoldHigh Intens
+Bla='\33[0;30m';     BBla='\33[1;30m';    UBla='\33[4;30m';    IBla='\33[0;90m';    BIBla='\33[1;90m';
+Red='\33[0;31m';     BRed='\33[1;31m';    URed='\33[4;31m';    IRed='\33[0;91m';    BIRed='\33[1;91m';
+Gre='\33[0;32m';     BGre='\33[1;32m';    UGre='\33[4;32m';    IGre='\33[0;92m';    BIGre='\33[1;92m';
+Yel='\33[0;33m';     BYel='\33[1;33m';    UYel='\33[4;33m';    IYel='\33[0;93m';    BIYel='\33[1;93m';
+Blu='\33[0;34m';     BBlu='\33[1;34m';    UBlu='\33[4;34m';    IBlu='\33[0;94m';    BIBlu='\33[1;94m';
+Pur='\33[0;35m';     BPur='\33[1;35m';    UPur='\33[4;35m';    IPur='\33[0;95m';    BIPur='\33[1;95m';
+Cya='\33[0;36m';     BCya='\33[1;36m';    UCya='\33[4;36m';    ICya='\33[0;96m';    BICya='\33[1;96m';
+Whi='\33[0;37m';     BWhi='\33[1;37m';    UWhi='\33[4;37m';    IWhi='\33[0;97m';    BIWhi='\33[1;97m';
+
+SYSLOG=1
+
+help(){
+  cat <<EOF
+
+usage: `basename $0` -i <input file> -u <ts server url> \\
+    -o <output ts file> -O <openssl options> -C <curl options>
+
+HTTP timestamping client using openssl and curl (RFC 3161)
+
+arguments:
+
+ * mandatory:
+   -i <input file>:     the input file to timestamp
+   -u <ts server url>:  the timestamp server url
+
+ * optionnal:
+   -l                 :  enable logging to syslog
+   -o <output ts file>:  output timestamp file name (default: <input file>.ts)
+   -O <openssl options>: openssl additionnal options (man ts for more details) 
+   -C <curl options>:    curl additionnal options (man curl for more details)
+
+EOF
+  exit 1
+}
+
+simple_logger(){
+    [ $SYSLOG -eq 0 ] && logger -t `basename $0` -p  user.$1 $2
+}
+
+clean(){
+    rm -f -- "$TMPREQ"
+}
+
+clean_exit(){
+    clean
+    exit 1
+}
+
+exit_error(){
+    msg=$1
+    simple_logger err "error, $msg"
+    printf "${BIRed}[ERROR]   ${IYel}%s${RCol}\n" "$msg"
+    clean_exit
+}
+
+info(){
+    msg=$1
+    simple_logger debug "$msg"
+    printf "${BIBlu}[INFO]    ${RCol}%s${RCol}\n" "$msg"
+}
+
+success(){
+    msg=$1
+    simple_logger info "$msg"
+    printf "${BIGre}[SUCCESS] ${RCol}%s${RCol}\n" "$msg"
+}
+
+trap clean_exit HUP INT TERM
+TMPREQ=`mktemp`
+
+while getopts ":lhu:i:o:O:C:" opt; do
+  case $opt in
+    h)  help;;
+    l)  SYSLOG=0;;
+    u)  TS_URL="$OPTARG";;
+    i)  INPUT_FILE="`readlink -f $OPTARG`";;
+    o)  OUTPUT_FILE="`readlink -f $OPTARG`";;
+    O)  OPENSSL_OPTS="$OPTARG";;
+    C)  CURL_OPTS="$OPTARG";;
+    \?) echo "Invalid option: -$OPTARG" >&2; help; exit 1;;
+    :)  echo "Option -$OPTARG requires an argument." >&2; help; exit 1;;
+  esac
+done
+
+# If no output file specified, output to <input file>.ts
+[ -z "$OUTPUT_FILE" ]   && OUTPUT_FILE="${INPUT_FILE}.ts"
+
+# Check that input file exists
+[ -f "$INPUT_FILE" ]    || exit_error "Input file '$INPUT_FILE' doesn't exist"
+# Check that output file doesn't exit
+! [ -f "$OUTPUT_FILE" ] || exit_error "Output timestamp file '$OUTPUT_FILE' already exists"
+# Check that url is not empty
+! [ -z "$TS_URL" ]      || exit_error "Missing timestamp server url"
+
+info "Generating timestamp on file '$INPUT_FILE', to '$OUTPUT_FILE', using server '$TS_URL'"
+
+# Building the timestamp request with openssl
+openssl ts $OPENSSL_OPTS \
+    -query -data "$INPUT_FILE" \
+    -out "$TMPREQ" || exit_error "Request generation failed"
+
+# Submitting the timestamp request to the RFC 3161 server with curl
+curl "$TS_URL" $CURL_OPTS \
+    -H "Content-Type: application/timestamp-query" \
+    -f -g \
+    --data-binary @$TMPREQ \
+    -o "$OUTPUT_FILE" 2>/dev/null || exit_error "Timestamp query failed"
+
+success "Timestamp of file '$INPUT_FILE' using server '$TS_URL' succeed, ts written to '$OUTPUT_FILE'"
+
+clean