* [PATCH BlueZ] shared/crypto: Transform bt_cryto in a singleton
@ 2021-01-15 19:02 Luiz Augusto von Dentz
2021-01-15 19:15 ` [BlueZ] " bluez.test.bot
0 siblings, 1 reply; 3+ messages in thread
From: Luiz Augusto von Dentz @ 2021-01-15 19:02 UTC (permalink / raw)
To: linux-bluetooth
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This makes bt_crypto always return the same instance thus avoiding the
problem of having multiple PF sockets opened which may hit the file
descriptor limit.
---
src/shared/crypto.c | 37 ++++++++++++++++++++++---------------
1 file changed, 22 insertions(+), 15 deletions(-)
diff --git a/src/shared/crypto.c b/src/shared/crypto.c
index 6d14903e4..d5efa416d 100644
--- a/src/shared/crypto.c
+++ b/src/shared/crypto.c
@@ -126,34 +126,40 @@ static int cmac_aes_setup(void)
return fd;
}
+static struct bt_crypto *singleton;
+
struct bt_crypto *bt_crypto_new(void)
{
- struct bt_crypto *crypto;
+ if (singleton)
+ return bt_crypto_ref(singleton);
- crypto = new0(struct bt_crypto, 1);
+ singleton = new0(struct bt_crypto, 1);
- crypto->ecb_aes = ecb_aes_setup();
- if (crypto->ecb_aes < 0) {
- free(crypto);
+ singleton->ecb_aes = ecb_aes_setup();
+ if (singleton->ecb_aes < 0) {
+ free(singleton);
+ singleton = NULL;
return NULL;
}
- crypto->urandom = urandom_setup();
- if (crypto->urandom < 0) {
- close(crypto->ecb_aes);
- free(crypto);
+ singleton->urandom = urandom_setup();
+ if (singleton->urandom < 0) {
+ close(singleton->ecb_aes);
+ free(singleton);
+ singleton = NULL;
return NULL;
}
- crypto->cmac_aes = cmac_aes_setup();
- if (crypto->cmac_aes < 0) {
- close(crypto->urandom);
- close(crypto->ecb_aes);
- free(crypto);
+ singleton->cmac_aes = cmac_aes_setup();
+ if (singleton->cmac_aes < 0) {
+ close(singleton->urandom);
+ close(singleton->ecb_aes);
+ free(singleton);
+ singleton = NULL;
return NULL;
}
- return bt_crypto_ref(crypto);
+ return bt_crypto_ref(singleton);
}
struct bt_crypto *bt_crypto_ref(struct bt_crypto *crypto)
@@ -179,6 +185,7 @@ void bt_crypto_unref(struct bt_crypto *crypto)
close(crypto->cmac_aes);
free(crypto);
+ singleton = NULL;
}
bool bt_crypto_random_bytes(struct bt_crypto *crypto,
--
2.26.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* RE: [BlueZ] shared/crypto: Transform bt_cryto in a singleton
2021-01-15 19:02 [PATCH BlueZ] shared/crypto: Transform bt_cryto in a singleton Luiz Augusto von Dentz
@ 2021-01-15 19:15 ` bluez.test.bot
2021-01-15 19:56 ` Luiz Augusto von Dentz
0 siblings, 1 reply; 3+ messages in thread
From: bluez.test.bot @ 2021-01-15 19:15 UTC (permalink / raw)
To: linux-bluetooth, luiz.dentz
[-- Attachment #1: Type: text/plain, Size: 557 bytes --]
This is automated email and please do not reply to this email!
Dear submitter,
Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=415727
---Test result---
##############################
Test: CheckPatch - PASS
##############################
Test: CheckGitLint - PASS
##############################
Test: CheckBuild - PASS
##############################
Test: MakeCheck - PASS
---
Regards,
Linux Bluetooth
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [BlueZ] shared/crypto: Transform bt_cryto in a singleton
2021-01-15 19:15 ` [BlueZ] " bluez.test.bot
@ 2021-01-15 19:56 ` Luiz Augusto von Dentz
0 siblings, 0 replies; 3+ messages in thread
From: Luiz Augusto von Dentz @ 2021-01-15 19:56 UTC (permalink / raw)
To: linux-bluetooth
Hi,
On Fri, Jan 15, 2021 at 11:15 AM <bluez.test.bot@gmail.com> wrote:
>
> This is automated email and please do not reply to this email!
>
> Dear submitter,
>
> Thank you for submitting the patches to the linux bluetooth mailing list.
> This is a CI test results with your patch series:
> PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=415727
>
> ---Test result---
>
> ##############################
> Test: CheckPatch - PASS
>
> ##############################
> Test: CheckGitLint - PASS
>
> ##############################
> Test: CheckBuild - PASS
>
> ##############################
> Test: MakeCheck - PASS
>
>
>
> ---
> Regards,
> Linux Bluetooth
Pushed.
--
Luiz Augusto von Dentz
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-01-15 19:56 ` Luiz Augusto von Dentz
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