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Allow to enter empty password through stdin pipe.

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Also always use empty passsword when using null cipher in tests.
This commit is contained in:
Milan Broz
2015-07-02 08:16:06 +02:00
parent a57f1b1b64
commit 0dc245401f
3 changed files with 15 additions and 7 deletions
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13
lib/utils_crypt.c
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@@ -334,7 +334,7 @@ int crypt_get_key(const char *prompt,
struct crypt_device *cd)
{
int fd, regular_file, read_stdin, char_read, unlimited_read = 0;
int r = -EINVAL;
int r = -EINVAL, newline;
char *pass = NULL;
size_t buflen, i, file_read_size;
struct stat st;
@@ -408,7 +408,7 @@ int crypt_get_key(const char *prompt,
goto out_err;
}
for(i = 0; i < keyfile_size_max; i++) {
for(i = 0, newline = 0; i < keyfile_size_max; i++) {
if(i == buflen) {
buflen += 4096;
pass = crypt_safe_realloc(pass, buflen);
@@ -426,12 +426,17 @@ int crypt_get_key(const char *prompt,
}
/* Stop on newline only if not requested read from keyfile */
if(char_read == 0 || (!key_file && pass[i] == '\n'))
if (char_read == 0)
break;
if (!key_file && pass[i] == '\n') {
newline = 1;
pass[i] = '\0';
break;
}
}
/* Fail if piped input dies reading nothing */
if(!i && !regular_file) {
if(!i && !regular_file && !newline) {
log_dbg("Nothing read on input.");
r = -EPIPE;
goto out_err;

6
tests/align-test
View File

@@ -87,10 +87,10 @@ format_null()
{
if [ $3 -eq 0 ] ; then
echo -n "Formatting using topology info ($1 bits key) [slot 0"
echo $PWD1 | $CRYPTSETUP luksFormat $DEV -q -i1 -c null -s $1
echo | $CRYPTSETUP luksFormat $DEV -q -i1 -c null -s $1
else
echo -n "Formatting using forced sector alignment $3 ($1 bits key) [slot 0"
echo $PWD1 | $CRYPTSETUP luksFormat $DEV -q -i1 -c null -s $1 --align-payload=$3
echo | $CRYPTSETUP luksFormat $DEV -q -i1 -c null -s $1 --align-payload=$3
fi
POFF=$(get_offsets "Payload offset")
@@ -98,7 +98,7 @@ format_null()
[ $POFF != $2 ] && fail "Expected data offset differs: expected $2 != detected $POFF"
if [ -n "$4" ] ; then
for j in 1 2 3 4 5 6 7 ; do
echo -e "$PWD1\n$PWD2$j" | $CRYPTSETUP luksAddKey $DEV -q -i1 --key-slot $j -c null $PARAMS
echo -e "\n" | $CRYPTSETUP luksAddKey $DEV -q -i1 --key-slot $j -c null $PARAMS
echo -n $j
[ $? -ne 0 ] && fail
done

3
tests/mode-test
View File

@@ -6,6 +6,7 @@ CRYPTSETUP=../src/cryptsetup
DEV_NAME=dmc_test
HEADER_IMG=mode-test.img
PASSWORD=3xrododenron
PASSWORD1=$PASSWORD
# cipher-chainmode-ivopts:ivmode
CIPHERS="aes twofish serpent"
@@ -134,10 +135,12 @@ dmcrypt aes aes-cbc-plain
dmcrypt aes-plain aes-cbc-plain
# empty cipher
PASSWORD=""
dmcrypt null cipher_null-ecb
dmcrypt cipher_null cipher_null-cbc-plain
dmcrypt cipher_null-ecb
PASSWORD=$PASSWORD1
# codebook doesn't support IV at all
for cipher in $CIPHERS ; do
dmcrypt "$cipher-ecb"