[Dnsmasq-discuss] [PATCH 1/1] Allow overriding of ubus service name.

Simon Kelley simon at thekelleys.org.uk
Sat Mar 28 18:35:58 GMT 2020


Patch applied, thanks.


Simon.


On 20/03/2020 21:18, Oldřich Jedlička wrote:
> Same as for the dbus, allow specifying ubus service name (namespace) on
> the command line as an optional argument to --enable-ubus option.
> 
> Signed-off-by: Oldřich Jedlička <oldium.pro at gmail.com>
> ---
>  man/dnsmasq.8 |  7 +++++--
>  src/config.h  |  1 +
>  src/dnsmasq.h |  1 +
>  src/option.c  | 14 +++++++++++---
>  src/ubus.c    |  3 ++-
>  5 files changed, 20 insertions(+), 6 deletions(-)
> 
> diff --git a/man/dnsmasq.8 b/man/dnsmasq.8
> index 2032a37..034e3cf 100644
> --- a/man/dnsmasq.8
> +++ b/man/dnsmasq.8
> @@ -366,10 +366,13 @@ been built with DBus support. If the service name is given, dnsmasq
>  provides service at that name, rather than the default which is 
>  .B uk.org.thekelleys.dnsmasq
>  .TP 
> -.B --enable-ubus
> +.B --enable-ubus[=<service-name>]
>  Enable dnsmasq UBus interface. It sends notifications via UBus on
>  DHCPACK and DHCPRELEASE events. Furthermore it offers metrics.
> -Requires that dnsmasq has been built with UBus support.
> +Requires that dnsmasq has been built with UBus support. If the service
> +name is given, dnsmasq provides service at that namespace, rather than
> +the default which is
> +.B dnsmasq
>  .TP
>  .B \-o, --strict-order
>  By default, dnsmasq will send queries to any of the upstream servers
> diff --git a/src/config.h b/src/config.h
> index b002560..7d08f7d 100644
> --- a/src/config.h
> +++ b/src/config.h
> @@ -50,6 +50,7 @@
>  #define RANDFILE "/dev/urandom"
>  #define DNSMASQ_SERVICE "uk.org.thekelleys.dnsmasq" /* Default - may be overridden by config */
>  #define DNSMASQ_PATH "/uk/org/thekelleys/dnsmasq"
> +#define DNSMASQ_UBUS_NAME "dnsmasq" /* Default - may be overridden by config */
>  #define AUTH_TTL 600 /* default TTL for auth DNS */
>  #define SOA_REFRESH 1200 /* SOA refresh default */
>  #define SOA_RETRY 180 /* SOA retry default */
> diff --git a/src/dnsmasq.h b/src/dnsmasq.h
> index f747868..b47ef74 100644
> --- a/src/dnsmasq.h
> +++ b/src/dnsmasq.h
> @@ -1063,6 +1063,7 @@ extern struct daemon {
>    unsigned int duid_enterprise, duid_config_len;
>    unsigned char *duid_config;
>    char *dbus_name;
> +  char *ubus_name;
>    char *dump_file;
>    int dump_mask;
>    unsigned long soa_sn, soa_refresh, soa_retry, soa_expiry;
> diff --git a/src/option.c b/src/option.c
> index 9ffd7fc..1f698da 100644
> --- a/src/option.c
> +++ b/src/option.c
> @@ -238,7 +238,7 @@ static const struct myoption opts[] =
>      { "caa-record", 1, 0 , LOPT_CAA },
>      { "dns-rr", 1, 0, LOPT_RR },
>      { "enable-dbus", 2, 0, '1' },
> -    { "enable-ubus", 0, 0, LOPT_UBUS },
> +    { "enable-ubus", 2, 0, LOPT_UBUS },
>      { "bootp-dynamic", 2, 0, '3' },
>      { "dhcp-mac", 1, 0, '4' },
>      { "no-ping", 0, 0, '5' },
> @@ -428,7 +428,7 @@ static struct {
>    { 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL },
>    { 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE },
>    { '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL },
> -  { LOPT_UBUS, OPT_UBUS, NULL, gettext_noop("Enable the UBus interface."), NULL },
> +  { LOPT_UBUS, ARG_ONE, "[=<busname>]", gettext_noop("Enable the UBus interface."), NULL },
>    { '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL },
>    { '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL },
>    { '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL },
> @@ -1881,7 +1881,15 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
>        else
>  	daemon->dbus_name = DNSMASQ_SERVICE;
>        break;
> -      
> +
> +    case LOPT_UBUS: /* --enable-ubus */
> +      set_option_bool(OPT_UBUS);
> +      if (arg)
> +	daemon->ubus_name = opt_string_alloc(arg);
> +      else
> +	daemon->ubus_name = DNSMASQ_UBUS_NAME;
> +      break;
> +
>      case '8': /* --log-facility */
>        /* may be a filename */
>        if (strchr(arg, '/') || strcmp (arg, "-") == 0)
> diff --git a/src/ubus.c b/src/ubus.c
> index c7f6b19..5f81287 100644
> --- a/src/ubus.c
> +++ b/src/ubus.c
> @@ -38,7 +38,7 @@ static struct ubus_object_type ubus_object_type =
>    UBUS_OBJECT_TYPE("dnsmasq", ubus_object_methods);
>  
>  static struct ubus_object ubus_object = {
> -  .name = "dnsmasq",
> +  .name = NULL,
>    .type = &ubus_object_type,
>    .methods = ubus_object_methods,
>    .n_methods = ARRAY_SIZE(ubus_object_methods),
> @@ -94,6 +94,7 @@ void ubus_init()
>        return;
>      }
>  
> +  ubus_object.name = daemon->ubus_name;
>    ret = ubus_add_object(ubus, &ubus_object);
>    if (ret)
>      {
> 




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