linux-kernel - Re: [PATCH] hv/hv_kvp_daemon: Some small fixes for handling NM keyfiles

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Date:   Fri, 10 Nov 2023 09:32:03 +0530
From:   Ani Sinha <anisinha@...hat.com>
To:     Shradha Gupta <shradhagupta@...ux.microsoft.com>
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Saurabh Sengar <ssengar@...ux.microsoft.com>,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hv/hv_kvp_daemon: Some small fixes for handling NM
 keyfiles



> On 07-Nov-2023, at 9:10 AM, Ani Sinha <anisinha@...hat.com> wrote:
> 
> 
> 
>> On 30-Oct-2023, at 10:45 AM, Ani Sinha <anisinha@...hat.com> wrote:
>> 
>> 
>> 
>>> On 23-Oct-2023, at 11:07 AM, Shradha Gupta <shradhagupta@...ux.microsoft.com> wrote:
>>> 
>>> On Mon, Oct 16, 2023 at 07:01:22PM +0530, Ani Sinha wrote:
>>>> Some small fixes:
>>>> - lets make sure we are not adding ipv4 addresses in ipv6 section in
>>>> keyfile and vice versa.
>>>> - ADDR_FAMILY_IPV6 is a bit in addr_family. Test that bit instead of
>>>> checking the whole value of addr_family.
>>>> - Some trivial fixes in hv_set_ifconfig.sh.
>>>> 
>>>> These fixes are proposed after doing some internal testing at Red Hat.
>>>> 
>>>> CC: Shradha Gupta <shradhagupta@...ux.microsoft.com>
>>>> CC: Saurabh Sengar <ssengar@...ux.microsoft.com>
>>>> Fixes: 42999c904612 ("hv/hv_kvp_daemon:Support for keyfile based connection profile")
>>>> Signed-off-by: Ani Sinha <anisinha@...hat.com>
>>>> ---
>>>> tools/hv/hv_kvp_daemon.c    | 20 ++++++++++++--------
>>>> tools/hv/hv_set_ifconfig.sh |  4 ++--
>>>> 2 files changed, 14 insertions(+), 10 deletions(-)
>>>> 
>>>> diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
>>>> index 264eeb9c46a9..318e2dad27e0 100644
>>>> --- a/tools/hv/hv_kvp_daemon.c
>>>> +++ b/tools/hv/hv_kvp_daemon.c
>>>> @@ -1421,7 +1421,7 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
>>>> if (error)
>>>> goto setval_error;
>>>> 
>>>> - if (new_val->addr_family == ADDR_FAMILY_IPV6) {
>>>> + if (new_val->addr_family & ADDR_FAMILY_IPV6) {
>>>> error = fprintf(nmfile, "\n[ipv6]\n");
>>>> if (error < 0)
>>>> goto setval_error;
>>>> @@ -1455,14 +1455,18 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
>>>> if (error < 0)
>>>> goto setval_error;
>>>> 
>>>> - error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way);
>>>> - if (error < 0)
>>>> - goto setval_error;
>>>> -
>>>> - error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr);
>>>> - if (error < 0)
>>>> - goto setval_error;
>>>> + /* we do not want ipv4 addresses in ipv6 section and vice versa */
>>>> + if (is_ipv6 != is_ipv4((char *)new_val->gate_way)) {
>>>> + error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way);
>>>> + if (error < 0)
>>>> + goto setval_error;
>>>> + }
>>>> 
>>>> + if (is_ipv6 != is_ipv4((char *)new_val->dns_addr)) {
>>>> + error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr);
>>>> + if (error < 0)
>>>> + goto setval_error;
>>>> + }
>>>> fclose(nmfile);
>>>> fclose(ifcfg_file);
>>>> 
>>>> diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh
>>>> index ae5a7a8249a2..440a91b35823 100755
>>>> --- a/tools/hv/hv_set_ifconfig.sh
>>>> +++ b/tools/hv/hv_set_ifconfig.sh
>>>> @@ -53,7 +53,7 @@
>>>> #                       or "manual" if no boot-time protocol should be used)
>>>> #
>>>> # address1=ipaddr1/plen
>>>> -# address=ipaddr2/plen
>>>> +# address2=ipaddr2/plen
>>>> #
>>>> # gateway=gateway1;gateway2
>>>> #
>>>> @@ -61,7 +61,7 @@
>>>> #
>>>> # [ipv6]
>>>> # address1=ipaddr1/plen
>>>> -# address2=ipaddr1/plen
>>>> +# address2=ipaddr2/plen
>>>> #
>>>> # gateway=gateway1;gateway2
>>>> #
>>>> -- 
>>>> 2.39.2
>>> Reviewed-by: Shradha Gupta <Shradhagupta@...ux.microsoft.com>
>> 
>> Ping. Can anyone please queue this?
>>> 
> 
> Ping again … Please pick this up.

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