Hi,
I tried to address what jmc@ mentioned below. I don't really know
mdoc(7) and English is not my native language, so I imagine there is
place for improvement in the wg(4) diff.
Full diff at the very end of this email, below here `diff -wu` to
visualize how minimal ifconfig.c changes are:
| Index: sbin/ifconfig/ifconfig.c
| ===================================================================
| RCS file: /cvs/src/sbin/ifconfig/ifconfig.c,v
| retrieving revision 1.456
| diff -u -p -w -u -r1.456 ifconfig.c
| --- sbin/ifconfig/ifconfig.c 8 Jul 2022 07:04:54 -0000 1.456
| +++ sbin/ifconfig/ifconfig.c 3 Sep 2022 08:25:00 -0000
| @@ -363,7 +363,7 @@ void unsetwgpeer(const char *, int);
| void unsetwgpeerpsk(const char *, int);
| void unsetwgpeerall(const char *, int);
|
| -void wg_status();
| +void wg_status(int);
| #else
| void setignore(const char *, int);
| #endif
| @@ -679,7 +679,7 @@ void printgroupattribs(char *);
| void printif(char *, int);
| void printb_status(unsigned short, unsigned char *);
| const char *get_linkstate(int, int);
| -void status(int, struct sockaddr_dl *, int);
| +void status(int, struct sockaddr_dl *, int, int);
| __dead void usage(void);
| const char *get_string(const char *, const char *, u_int8_t *, int *);
| int len_string(const u_int8_t *, int);
| @@ -1195,7 +1195,7 @@ printif(char *name, int ifaliases)
| continue;
| ifdata = ifa->ifa_data;
| status(1, (struct sockaddr_dl *)ifa->ifa_addr,
| - ifdata->ifi_link_state);
| + ifdata->ifi_link_state, ifaliases);
| count++;
| noinet = 1;
| continue;
| @@ -3316,7 +3316,7 @@ get_linkstate(int mt, int link_state)
| * specified, show it and it only; otherwise, show them all.
| */
| void
| -status(int link, struct sockaddr_dl *sdl, int ls)
| +status(int link, struct sockaddr_dl *sdl, int ls, int ifaliases)
| {
| const struct afswtch *p = afp;
| struct ifmediareq ifmr;
| @@ -3391,7 +3391,7 @@ status(int link, struct sockaddr_dl *sdl
| mpls_status();
| pflow_status();
| umb_status();
| - wg_status();
| + wg_status(ifaliases);
| #endif
| trunk_status();
| getifgroups();
| @@ -5907,7 +5907,7 @@ process_wg_commands(void)
| }
|
| void
| -wg_status(void)
| +wg_status(int ifaliases)
| {
| size_t i, j, last_size;
| struct timespec now;
| @@ -5942,6 +5942,7 @@ wg_status(void)
| printf("\twgpubkey %s\n", key);
| }
|
| + if (ifaliases) {
| wg_peer = &wg_interface->i_peers[0];
| for (i = 0; i < wg_interface->i_peers_count; i++) {
| b64_ntop(wg_peer->p_public, WG_KEY_LEN,
| @@ -5981,6 +5982,7 @@ wg_status(void)
| wg_aip++;
| }
| wg_peer = (struct wg_peer_io *)wg_aip;
| + }
| }
| out:
| free(wgdata.wgd_interface);
On Sat, Aug 20, 2022 at 07:15:39PM +0100, Jason McIntyre wrote:
> On Sat, Aug 20, 2022 at 02:25:25PM +0100, Stuart Henderson wrote:
> > >
> > > Long output with <if> as an argument, wgpeers section present:
> > >
> > > pce-0067# ifconfig.ifaliases wg0
> > > wg0: flags=80c3<UP,BROADCAST,RUNNING,NOARP,MULTICAST> mtu 1420
> > > index 8 priority 0 llprio 3
> > > wgport 51820
> > > wgpubkey qcb...
> > > wgpeer klM...
> > > wgpsk (present)
> > > wgpka 25 (sec)
> > > wgendpoint xxx.xxx.xxx.xxx 51820
> > > tx: 178764, rx: 65100
> > > last handshake: 7 seconds ago
> > > wgaip fde4:f456:48c2:13c0::/64
> > > groups: wg
> > > inet6 fde4:f456:48c2:13c0::cc67 prefixlen 64
> > >
> > >
> > > Above long output works with group as an argument (ifconfig wg) and with
> > > option -A (ifconfig -A), so I think from user experience perspective,
> > > works as expected.
> > >
> > > Manual page changes not provided, as I'm not sure are they needed with
> > > this diff.
> >
> > At least a small change is needed. Maybe some different text would
> > be more appropriate though.
> >
> > Index: ifconfig.8
> > ===================================================================
> > RCS file: /cvs/src/sbin/ifconfig/ifconfig.8,v
> > retrieving revision 1.384
> > diff -u -p -r1.384 ifconfig.8
> > --- ifconfig.8 27 Jun 2022 16:27:03 -0000 1.384
> > +++ ifconfig.8 20 Aug 2022 13:22:43 -0000
> > @@ -75,7 +75,7 @@ Only the superuser may modify the config
> > The following options are available:
> > .Bl -tag -width Ds
> > .It Fl A
> > -Causes full interface alias information for each interface to
> > +Causes full interface alias and wgpeer information for each interface to
> > be displayed.
> > .It Fl a
> > Causes
> >
>
> hi.
>
> i think this just muddies the simple explanation of -A. i don;t think
> it's worth it for a single exception. what about amending wg(1) to note
> that this info is available via -A? then wg users can find it.
>
> jmc
Index: sbin/ifconfig/ifconfig.c
===================================================================
RCS file: /cvs/src/sbin/ifconfig/ifconfig.c,v
retrieving revision 1.456
diff -u -p -u -r1.456 ifconfig.c
--- sbin/ifconfig/ifconfig.c 8 Jul 2022 07:04:54 -0000 1.456
+++ sbin/ifconfig/ifconfig.c 3 Sep 2022 08:54:53 -0000
@@ -363,7 +363,7 @@ void unsetwgpeer(const char *, int);
void unsetwgpeerpsk(const char *, int);
void unsetwgpeerall(const char *, int);
-void wg_status();
+void wg_status(int);
#else
void setignore(const char *, int);
#endif
@@ -679,7 +679,7 @@ void printgroupattribs(char *);
void printif(char *, int);
void printb_status(unsigned short, unsigned char *);
const char *get_linkstate(int, int);
-void status(int, struct sockaddr_dl *, int);
+void status(int, struct sockaddr_dl *, int, int);
__dead void usage(void);
const char *get_string(const char *, const char *, u_int8_t *, int *);
int len_string(const u_int8_t *, int);
@@ -1195,7 +1195,7 @@ printif(char *name, int ifaliases)
continue;
ifdata = ifa->ifa_data;
status(1, (struct sockaddr_dl *)ifa->ifa_addr,
- ifdata->ifi_link_state);
+ ifdata->ifi_link_state, ifaliases);
count++;
noinet = 1;
continue;
@@ -3316,7 +3316,7 @@ get_linkstate(int mt, int link_state)
* specified, show it and it only; otherwise, show them all.
*/
void
-status(int link, struct sockaddr_dl *sdl, int ls)
+status(int link, struct sockaddr_dl *sdl, int ls, int ifaliases)
{
const struct afswtch *p = afp;
struct ifmediareq ifmr;
@@ -3391,7 +3391,7 @@ status(int link, struct sockaddr_dl *sdl
mpls_status();
pflow_status();
umb_status();
- wg_status();
+ wg_status(ifaliases);
#endif
trunk_status();
getifgroups();
@@ -5907,7 +5907,7 @@ process_wg_commands(void)
}
void
-wg_status(void)
+wg_status(int ifaliases)
{
size_t i, j, last_size;
struct timespec now;
@@ -5942,45 +5942,47 @@ wg_status(void)
printf("\twgpubkey %s\n", key);
}
- wg_peer = &wg_interface->i_peers[0];
- for (i = 0; i < wg_interface->i_peers_count; i++) {
- b64_ntop(wg_peer->p_public, WG_KEY_LEN,
- key, sizeof(key));
- printf("\twgpeer %s\n", key);
-
- if (wg_peer->p_flags & WG_PEER_HAS_PSK)
- printf("\t\twgpsk (present)\n");
-
- if (wg_peer->p_flags & WG_PEER_HAS_PKA && wg_peer->p_pka)
- printf("\t\twgpka %u (sec)\n", wg_peer->p_pka);
-
- if (wg_peer->p_flags & WG_PEER_HAS_ENDPOINT) {
- if (getnameinfo(&wg_peer->p_sa, wg_peer->p_sa.sa_len,
- hbuf, sizeof(hbuf), sbuf, sizeof(sbuf),
- NI_NUMERICHOST | NI_NUMERICSERV) == 0)
- printf("\t\twgendpoint %s %s\n", hbuf, sbuf);
- else
- printf("\t\twgendpoint unable to print\n");
- }
+ if (ifaliases) {
+ wg_peer = &wg_interface->i_peers[0];
+ for (i = 0; i < wg_interface->i_peers_count; i++) {
+ b64_ntop(wg_peer->p_public, WG_KEY_LEN,
+ key, sizeof(key));
+ printf("\twgpeer %s\n", key);
+
+ if (wg_peer->p_flags & WG_PEER_HAS_PSK)
+ printf("\t\twgpsk (present)\n");
+
+ if (wg_peer->p_flags & WG_PEER_HAS_PKA &&
wg_peer->p_pka)
+ printf("\t\twgpka %u (sec)\n", wg_peer->p_pka);
+
+ if (wg_peer->p_flags & WG_PEER_HAS_ENDPOINT) {
+ if (getnameinfo(&wg_peer->p_sa,
wg_peer->p_sa.sa_len,
+ hbuf, sizeof(hbuf), sbuf, sizeof(sbuf),
+ NI_NUMERICHOST | NI_NUMERICSERV) == 0)
+ printf("\t\twgendpoint %s %s\n", hbuf,
sbuf);
+ else
+ printf("\t\twgendpoint unable to
print\n");
+ }
- printf("\t\ttx: %llu, rx: %llu\n",
- wg_peer->p_txbytes, wg_peer->p_rxbytes);
+ printf("\t\ttx: %llu, rx: %llu\n",
+ wg_peer->p_txbytes, wg_peer->p_rxbytes);
- if (wg_peer->p_last_handshake.tv_sec != 0) {
- timespec_get(&now, TIME_UTC);
- printf("\t\tlast handshake: %lld seconds ago\n",
- now.tv_sec - wg_peer->p_last_handshake.tv_sec);
- }
+ if (wg_peer->p_last_handshake.tv_sec != 0) {
+ timespec_get(&now, TIME_UTC);
+ printf("\t\tlast handshake: %lld seconds ago\n",
+ now.tv_sec -
wg_peer->p_last_handshake.tv_sec);
+ }
- wg_aip = &wg_peer->p_aips[0];
- for (j = 0; j < wg_peer->p_aips_count; j++) {
- inet_ntop(wg_aip->a_af, &wg_aip->a_addr,
- hbuf, sizeof(hbuf));
- printf("\t\twgaip %s/%d\n", hbuf, wg_aip->a_cidr);
- wg_aip++;
+ wg_aip = &wg_peer->p_aips[0];
+ for (j = 0; j < wg_peer->p_aips_count; j++) {
+ inet_ntop(wg_aip->a_af, &wg_aip->a_addr,
+ hbuf, sizeof(hbuf));
+ printf("\t\twgaip %s/%d\n", hbuf,
wg_aip->a_cidr);
+ wg_aip++;
+ }
+ wg_peer = (struct wg_peer_io *)wg_aip;
}
- wg_peer = (struct wg_peer_io *)wg_aip;
}
out:
free(wgdata.wgd_interface);
Index: share/man/man4/wg.4
===================================================================
RCS file: /cvs/src/share/man/man4/wg.4,v
retrieving revision 1.10
diff -u -p -u -r1.10 wg.4
--- share/man/man4/wg.4 14 Mar 2021 10:08:38 -0000 1.10
+++ share/man/man4/wg.4 3 Sep 2022 08:54:53 -0000
@@ -42,6 +42,19 @@ configuration file for
.Xr netstart 8 .
The interface itself can be configured with
.Xr ifconfig 8 .
+To display
+.Cm wgpeer
+information for each
+.Nm wg
+interface option
+.Fl A
+to
+.Xr ifconfig 8
+should be used or
+.Nm wg
+interface should be specified as an argument to
+.Xr ifconfig 8
+command.
.Pp
.Nm wg
interfaces support the following
--
Regards,
Mikolaj