first commit

.gitignore

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+deldify*

go.mod

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+module deldify
+
+go 1.18

main.go

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+// de-LDIF'y LDAP query result
+// join breaked lines, and decode base64
+//
+// Copyright (c) 2023 yo000 <johan@nosd.in>
+//
+
+package main
+
+import (
+	"os"
+	"fmt"
+	"flag"
+	"bufio"
+	"regexp"
+	"strings"
+	"encoding/base64"
+)
+
+var (
+	gVersion = "0.0.1"
+)
+
+func main() {
+	var input string
+
+	flag.Parse()
+	if len(flag.Args()) < 1 {
+		fmt.Printf("Usage: deldify filename\n")
+		os.Exit(1)
+	}
+	input = flag.Args()[0]
+
+	// open file
+	f, err := os.Open(input)
+	if err != nil {
+		fmt.Errorf("%v\n", err)
+	}
+	// remember to close the file at the end of the program
+	defer f.Close()
+
+	// read the file line by line using scanner
+	scanner := bufio.NewScanner(f)
+
+	// Make 2 pass:
+	//  First concatenate space starting lines, put result into ram
+	//  Second to decode base64 lines
+	// Then print result
+
+	// 1st pass
+	var res1 []string
+	var cl string
+	for scanner.Scan() {
+		cl = scanner.Text()
+		if strings.HasPrefix(cl, " ") {
+			res1[len(res1)-1] = fmt.Sprintf("%s%s", res1[len(res1)-1], cl[1:])
+		} else {
+			res1 = append(res1, fmt.Sprintf("%s", cl))
+		}
+	}
+
+	// 2nd pass
+	var res2 []string
+	re := regexp.MustCompile("(\\w+)::\\s(.*)")
+	for _, l := range res1 {
+		m := re.FindStringSubmatch(l)
+		if len(m) > 0 {
+			dec, err := base64.StdEncoding.DecodeString(m[2])
+			if err != nil {
+				fmt.Printf("Error decoding base64: %s: %v\n", m[2], err)
+				continue
+			}
+			res2 = append(res2, fmt.Sprintf("%s: %s", m[1], dec))
+		} else {
+			res2 = append(res2, l)
+		}
+	}
+
+	for _, l := range res2 {
+		fmt.Printf("%s\n", l)
+	}
+
+	if err := scanner.Err(); err != nil {
+		fmt.Errorf("%v\n", err)
+	}
+
+}