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jack: check arguments

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Guard against some evil jack clients
This commit is contained in:
Wim Taymans 2020-02-24 11:25:31 +01:00
parent 9bec2e5d8a
commit 9e44b957f0
4 changed files with 301 additions and 60 deletions
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6
pipewire-jack/src/uuid.c
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@ -72,18 +72,23 @@ int jack_uuid_compare (jack_uuid_t id1, jack_uuid_t id2)
SPA_EXPORT
void jack_uuid_copy (jack_uuid_t* dst, jack_uuid_t src)
{
spa_return_if_fail(dst != NULL);
*dst = src;
}
SPA_EXPORT
void jack_uuid_clear (jack_uuid_t *id)
{
spa_return_if_fail(id != NULL);
*id = 0;
}
SPA_EXPORT
int jack_uuid_parse (const char *buf, jack_uuid_t *id)
{
spa_return_val_if_fail(buf != NULL, -EINVAL);
spa_return_val_if_fail(id != NULL, -EINVAL);
if (sscanf (buf, "%" PRIu64, id) == 1) {
if (*id < (0x1LL << 32)) {
/* has not type bits set - not legal */
@ -97,6 +102,7 @@ int jack_uuid_parse (const char *buf, jack_uuid_t *id)
SPA_EXPORT
void jack_uuid_unparse (jack_uuid_t id, char buf[JACK_UUID_STRING_SIZE])
{
spa_return_if_fail(buf != NULL);
snprintf (buf, JACK_UUID_STRING_SIZE, "%" PRIu64, id);
}