p/pdf-simple-sign
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Make it possible to change the signature reservation

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This commit is contained in:
Přemysl Eric Janouch
2020-09-04 18:33:12 +02:00
parent 2d08100b58
commit 796a9640d3
4 changed files with 36 additions and 17 deletions
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16
cmd/pdf-simple-sign/main.go
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@@ -1,5 +1,5 @@
//
// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
// Copyright (c) 2018 - 2020, Přemysl Eric Janouch <p@janouch.name>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
@@ -20,8 +20,9 @@ import (
"flag"
"fmt"
"io/ioutil"
"janouch.name/pdf-simple-sign/pdf"
"os"
"janouch.name/pdf-simple-sign/pdf"
)
// #include <unistd.h>
@@ -39,10 +40,13 @@ func die(status int, format string, args ...interface{}) {
}
func usage() {
die(1, "Usage: %s [-h] INPUT-FILENAME OUTPUT-FILENAME "+
die(1, "Usage: %s [-h] [-r RESERVATION] INPUT-FILENAME OUTPUT-FILENAME "+
"PKCS12-PATH PKCS12-PASS", os.Args[0])
}
var reservation = flag.Int(
"r", 4096, "signature reservation as a number of bytes")
func main() {
flag.Usage = usage
flag.Parse()
@@ -51,7 +55,7 @@ func main() {
}
inputPath, outputPath := flag.Arg(0), flag.Arg(1)
pdfDocument, err := ioutil.ReadFile(inputPath)
doc, err := ioutil.ReadFile(inputPath)
if err != nil {
die(1, "%s", err)
}
@@ -63,10 +67,10 @@ func main() {
if err != nil {
die(3, "%s", err)
}
if pdfDocument, err = pdf.Sign(pdfDocument, key, certs); err != nil {
if doc, err = pdf.Sign(doc, key, certs, *reservation); err != nil {
die(4, "error: %s", err)
}
if err = ioutil.WriteFile(outputPath, pdfDocument, 0666); err != nil {
if err = ioutil.WriteFile(outputPath, doc, 0666); err != nil {
die(5, "%s", err)
}
}