On Thu, Apr 18, 2024 at 05:35:49PM +0530, Ani Sinha wrote:
> A comment describing the source of writing the contents of the ifcfg and
> network manager keyfiles (hyperv kvp daemon) is useful. It is valuable both
> for debugging as well as for preventing users from modifying them.
>
> CC: shradhagupta@xxxxxxxxxxxxxxxxxxx
> CC: eahariha@xxxxxxxxxxxxxxxxxxx
> CC: wei.liu@xxxxxxxxxx
> Signed-off-by: Ani Sinha <anisinha@xxxxxxxxxx>
> ---
> tools/hv/hv_kvp_daemon.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> changelog:
> v2: simplify and fix issues with error handling.
>
> diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
> index ae57bf69ad4a..014e45be6981 100644
> --- a/tools/hv/hv_kvp_daemon.c
> +++ b/tools/hv/hv_kvp_daemon.c
> @@ -94,6 +94,8 @@ static char *lic_version = "Unknown version";
> static char full_domain_name[HV_KVP_EXCHANGE_MAX_VALUE_SIZE];
> static struct utsname uts_buf;
>
> +#define CFG_HEADER "# Generated by hyperv key-value pair daemon. Please do not modify.\n"
> +
> /*
> * The location of the interface configuration file.
> */
> @@ -1435,6 +1437,18 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
> return HV_E_FAIL;
> }
>
> + /* Write the config file headers */
> + error = fprintf(ifcfg_file, CFG_HEADER);
> + if (error < 0) {
> + error = HV_E_FAIL;
> + goto setval_error;
> + }
> + error = fprintf(nmfile, CFG_HEADER);
> + if (error < 0) {
> + error = HV_E_FAIL;
> + goto setval_error;
> + }
> +
> /*
> * First write out the MAC address.
> */
> --
> 2.42.0
Reviewed-by: Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx>
