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zdb should not output binary data on terminal

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The zdb is interpreting byte array as textual string in dump_zap,
but there are also binary arrays and we should not output binary
data on terminal.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Toomas Soome <tsoome@me.com>
External-issue: https://www.illumos.org/issues/12012
External-issue: https://www.illumos.org/issues/11713
Closes #11006
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Toomas Soome 2020-10-06 00:05:28 +03:00 committed by GitHub
parent 79f0935fab
commit 4e84f67a96
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1 changed files with 15 additions and 1 deletions
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16
cmd/zdb/zdb.c
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@ -1120,7 +1120,21 @@ dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
(void) zap_lookup(os, object, attr.za_name,
attr.za_integer_length, attr.za_num_integers, prop);
if (attr.za_integer_length == 1) {
(void) printf("%s", (char *)prop);
if (strcmp(attr.za_name,
DSL_CRYPTO_KEY_MASTER_KEY) == 0 ||
strcmp(attr.za_name,
DSL_CRYPTO_KEY_HMAC_KEY) == 0 ||
strcmp(attr.za_name, DSL_CRYPTO_KEY_IV) == 0 ||
strcmp(attr.za_name, DSL_CRYPTO_KEY_MAC) == 0 ||
strcmp(attr.za_name, DMU_POOL_CHECKSUM_SALT) == 0) {
uint8_t *u8 = prop;
for (i = 0; i < attr.za_num_integers; i++) {
(void) printf("%02x", u8[i]);
}
} else {
(void) printf("%s", (char *)prop);
}
} else {
for (i = 0; i < attr.za_num_integers; i++) {
switch (attr.za_integer_length) {