APPS/pkcs8: fix case where infile and outfile are the same

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/25552)
This commit is contained in:
Dr. David von Oheimb 2024-09-27 07:58:33 +02:00 committed by Tomas Mraz
parent 421e8d7af8
commit d5c4a8aecc
3 changed files with 37 additions and 17 deletions

View File

@ -227,9 +227,6 @@ int pkcs8_main(int argc, char **argv)
informat == FORMAT_UNDEF ? FORMAT_PEM : informat);
if (in == NULL)
goto end;
out = bio_open_owner(outfile, outformat, private);
if (out == NULL)
goto end;
if (topk8) {
pkey = load_key(infile, informat, 1, passin, e, "key");
@ -240,6 +237,8 @@ int pkcs8_main(int argc, char **argv)
ERR_print_errors(bio_err);
goto end;
}
if ((out = bio_open_owner(outfile, outformat, private)) == NULL)
goto end;
if (nocrypt) {
assert(private);
if (outformat == FORMAT_PEM) {
@ -361,6 +360,9 @@ int pkcs8_main(int argc, char **argv)
}
assert(private);
out = bio_open_owner(outfile, outformat, private);
if (out == NULL)
goto end;
if (outformat == FORMAT_PEM) {
if (traditional)
PEM_write_bio_PrivateKey_traditional(out, pkey, NULL, NULL, 0,

View File

@ -79,9 +79,9 @@ key is written.
=item B<-in> I<filename>
This specifies the input filename to read a key from or standard input if this
This specifies the input file to read a key from or standard input if this
option is not specified. If the key is encrypted a pass phrase will be
prompted for.
prompted for unless B<-passin> is given.
=item B<-passin> I<arg>, B<-passout> I<arg>
@ -91,10 +91,14 @@ see L<openssl-passphrase-options(1)>.
=item B<-out> I<filename>
This specifies the output filename to write a key to or standard output by
default. If any encryption options are set then a pass phrase will be
prompted for. The output filename should B<not> be the same as the input
filename.
This specifies the output file to write a key to or standard output by default.
The output filename can be the same as the input filename,
which leads to replacing the file contents.
Note that file I/O is not atomic. The output file is truncated and then written.
If any encryption options are set and B<-passout> is not given
then a pass phrase will be prompted for.
When password input is interrupted, the output file is not touched.
=item B<-iter> I<count>

View File

@ -10,15 +10,29 @@ use strict;
use warnings;
use OpenSSL::Test::Utils;
use File::Compare qw(compare_text);
use File::Copy;
use File::Compare qw(compare_text compare);
use OpenSSL::Test qw/:DEFAULT srctop_file ok_nofips is_nofips/;
setup("test_pkcs8");
plan tests => 15;
plan tests => 18;
my $pc5_key = srctop_file('test', 'certs', 'pc5-key.pem');
my $inout = 'inout.pem';
copy($pc5_key, $inout);
ok(run(app(['openssl', 'pkcs8', '-topk8', '-in', $inout,
'-out', $inout, '-passout', 'pass:password'])),
"identical infile and outfile, to PKCS#8");
ok(run(app(['openssl', 'pkcs8', '-in', $inout,
'-out', $inout, '-passin', 'pass:password'])),
"identical infile and outfile, from PKCS#8");
is(compare($pc5_key, $inout), 0,
"Same file contents after converting forth and back");
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-out', 'pbkdf2_default_saltlen.pem',
'-passout', 'pass:password']))),
"Convert a private key to PKCS5 v2.0 format using PBKDF2 with the default saltlen");
@ -35,7 +49,7 @@ SKIP: {
if disabled("scrypt");
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-scrypt',
'-out', 'scrypt_default_saltlen.pem',
'-passout', 'pass:password']))),
@ -49,7 +63,7 @@ SKIP: {
"Check the default size of the SCRYPT PARAM 'salt length' = 16");
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-scrypt',
'-saltlen', '8',
'-out', 'scrypt_64bit_saltlen.pem',
@ -69,7 +83,7 @@ SKIP: {
if disabled('legacy') || disabled("des");
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-v1', "PBE-MD5-DES",
'-provider', 'legacy',
'-provider', 'default',
@ -83,7 +97,7 @@ SKIP: {
"Check the default size of the PBE PARAM 'salt length' = 8");
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-v1', "PBE-MD5-DES",
'-saltlen', '16',
'-provider', 'legacy',
@ -100,7 +114,7 @@ SKIP: {
ok(run(app(([ 'openssl', 'pkcs8', '-topk8',
'-in', srctop_file('test', 'certs', 'pc5-key.pem'),
'-in', $pc5_key,
'-saltlen', '8',
'-out', 'pbkdf2_64bit_saltlen.pem',
'-passout', 'pass:password']))),