Add ``enable proxyall'' support. This adds proxy ARP entries
for every machine on every class C or smaller subnet that we
route to.
Add ``set {send,recv}pipe'' for controlling our socket buffer
sizes.
Mention the IP number with the problem in a few error messages.
All submitted by: Craig Leres <leres@ee.lbl.gov>
Modified slightly by: me
This commit is contained in:
Brian Somers
parent
17871c5f6c
commit
3afe5ccb75
@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: arp.c,v 1.29 1998/06/16 19:40:34 brian Exp $
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* $Id: arp.c,v 1.30 1998/08/26 17:39:36 brian Exp $
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*
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*/
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@ -87,10 +87,8 @@ static struct {
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char extra[128];
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} arpmsg;
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static int arpmsg_valid;
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int
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arp_SetProxy(struct bundle *bundle, struct in_addr addr, int s)
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static int
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arp_ProxySub(struct bundle *bundle, struct in_addr addr, int add, int s)
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{
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int routes;
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@ -98,9 +96,11 @@ arp_SetProxy(struct bundle *bundle, struct in_addr addr, int s)
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* Get the hardware address of an interface on the same subnet as our local
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* address.
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*/
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memset(&arpmsg, 0, sizeof arpmsg);
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if (!get_ether_addr(s, addr, &arpmsg.hwa)) {
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log_Printf(LogWARN, "Cannot determine ethernet address for proxy ARP\n");
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log_Printf(LogWARN, "%s: Cannot determine ethernet address for proxy ARP\n",
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inet_ntoa(addr));
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return 0;
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}
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routes = ID0socket(PF_ROUTE, SOCK_RAW, AF_INET);
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@ -109,7 +109,7 @@ arp_SetProxy(struct bundle *bundle, struct in_addr addr, int s)
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strerror(errno));
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return 0;
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}
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arpmsg.hdr.rtm_type = RTM_ADD;
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arpmsg.hdr.rtm_type = add ? RTM_ADD : RTM_DELETE;
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arpmsg.hdr.rtm_flags = RTF_ANNOUNCE | RTF_HOST | RTF_STATIC;
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arpmsg.hdr.rtm_version = RTM_VERSION;
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arpmsg.hdr.rtm_seq = ++bundle->routing_seq;
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@ -122,44 +122,34 @@ arp_SetProxy(struct bundle *bundle, struct in_addr addr, int s)
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arpmsg.hdr.rtm_msglen = (char *) &arpmsg.hwa - (char *) &arpmsg
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+ arpmsg.hwa.sdl_len;
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if (write(routes, &arpmsg, arpmsg.hdr.rtm_msglen) < 0) {
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log_Printf(LogERROR, "Add proxy arp entry: %s\n", strerror(errno));
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if (write(routes, &arpmsg, arpmsg.hdr.rtm_msglen) < 0 &&
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!(!add && errno == ESRCH)) {
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log_Printf(LogERROR, "%s proxy arp entry %s: %s\n",
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add ? "Add" : "Delete", inet_ntoa(addr), strerror(errno));
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close(routes);
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return 0;
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}
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close(routes);
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arpmsg_valid = 1;
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return 1;
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}
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int
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arp_SetProxy(struct bundle *bundle, struct in_addr addr, int s)
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{
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return (arp_ProxySub(bundle, addr, 1, s));
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}
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/*
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* arp_ClearProxy - Delete the proxy ARP entry for the peer.
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*/
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int
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arp_ClearProxy(struct bundle *bundle, struct in_addr addr, int s)
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{
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int routes;
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if (!arpmsg_valid)
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return 0;
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arpmsg_valid = 0;
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arpmsg.hdr.rtm_type = RTM_DELETE;
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arpmsg.hdr.rtm_seq = ++bundle->routing_seq;
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routes = ID0socket(PF_ROUTE, SOCK_RAW, AF_INET);
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if (routes < 0) {
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log_Printf(LogERROR, "arp_SetProxy: opening routing socket: %s\n",
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strerror(errno));
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return 0;
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}
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if (write(routes, &arpmsg, arpmsg.hdr.rtm_msglen) < 0) {
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log_Printf(LogERROR, "Delete proxy arp entry: %s\n", strerror(errno));
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close(routes);
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return 0;
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}
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close(routes);
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return 1;
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return (arp_ProxySub(bundle, addr, 0, s));
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}
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#else /* RTM_VERSION */
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: bundle.c,v 1.36 1998/10/22 02:32:48 brian Exp $
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* $Id: bundle.c,v 1.37 1998/10/24 01:08:45 brian Exp $
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*/
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#include <sys/param.h>
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@ -985,6 +985,17 @@ bundle_SetRoute(struct bundle *bundle, int cmd, struct in_addr dst,
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rtmes.m_rtm.rtm_pid = getpid();
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rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
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if (cmd == RTM_ADD || cmd == RTM_CHANGE) {
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if (bundle->ncp.ipcp.cfg.sendpipe > 0) {
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rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.ipcp.cfg.sendpipe;
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rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
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}
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if (bundle->ncp.ipcp.cfg.recvpipe > 0) {
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rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.ipcp.cfg.recvpipe;
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rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
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}
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}
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memset(&rtdata, '\0', sizeof rtdata);
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rtdata.sin_len = sizeof rtdata;
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rtdata.sin_family = AF_INET;
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@ -1032,7 +1043,7 @@ failed:
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(rtmes.m_rtm.rtm_errno == 0 && errno == EEXIST))) {
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if (!bang) {
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log_Printf(LogWARN, "Add route failed: %s already exists\n",
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inet_ntoa(dst));
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dst.s_addr == 0 ? "default" : inet_ntoa(dst));
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result = 0; /* Don't add to our dynamic list */
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} else {
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rtmes.m_rtm.rtm_type = cmd = RTM_CHANGE;
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@ -1230,6 +1241,17 @@ bundle_ShowStatus(struct cmdargs const *arg)
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else
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prompt_Printf(arg->prompt, "unspecified\n");
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prompt_Printf(arg->prompt, " sendpipe: ");
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if (arg->bundle->ncp.ipcp.cfg.sendpipe > 0)
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prompt_Printf(arg->prompt, "%ld\n", arg->bundle->ncp.ipcp.cfg.sendpipe);
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else
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prompt_Printf(arg->prompt, "unspecified\n");
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prompt_Printf(arg->prompt, " recvpipe: ");
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if (arg->bundle->ncp.ipcp.cfg.recvpipe > 0)
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prompt_Printf(arg->prompt, "%ld\n", arg->bundle->ncp.ipcp.cfg.recvpipe);
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else
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prompt_Printf(arg->prompt, "unspecified\n");
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prompt_Printf(arg->prompt, " Sticky Routes: %s\n",
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optval(arg->bundle, OPT_SROUTES));
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prompt_Printf(arg->prompt, " ID check: %s\n",
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@ -1240,6 +1262,8 @@ bundle_ShowStatus(struct cmdargs const *arg)
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optval(arg->bundle, OPT_PASSWDAUTH));
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prompt_Printf(arg->prompt, " Proxy: %s\n",
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optval(arg->bundle, OPT_PROXY));
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prompt_Printf(arg->prompt, " Proxyall: %s\n",
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optval(arg->bundle, OPT_PROXYALL));
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prompt_Printf(arg->prompt, " Throughput: %s\n",
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optval(arg->bundle, OPT_THROUGHPUT));
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prompt_Printf(arg->prompt, " Utmp Logging: %s\n",
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@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: bundle.h,v 1.14 1998/10/22 02:32:48 brian Exp $
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* $Id: bundle.h,v 1.15 1998/10/24 01:08:45 brian Exp $
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*/
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#define PHASE_DEAD 0 /* Link is dead */
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@ -33,14 +33,15 @@
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#define PHASE_TERMINATE 4 /* Terminating link */
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/* cfg.opt bit settings */
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#define OPT_IDCHECK 0x01
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#define OPT_LOOPBACK 0x02
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#define OPT_PASSWDAUTH 0x04
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#define OPT_PROXY 0x08
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#define OPT_SROUTES 0x10
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#define OPT_THROUGHPUT 0x20
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#define OPT_UTMP 0x40
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#define OPT_IFACEALIAS 0x80
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#define OPT_IDCHECK 0x0001
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#define OPT_LOOPBACK 0x0002
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#define OPT_PASSWDAUTH 0x0004
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#define OPT_PROXY 0x0008
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#define OPT_PROXYALL 0x0010
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#define OPT_SROUTES 0x0020
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#define OPT_THROUGHPUT 0x0040
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#define OPT_UTMP 0x0080
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#define OPT_IFACEALIAS 0x0100
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#define MAX_ENDDISC_CLASS 5
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: command.c,v 1.169 1998/10/24 01:08:45 brian Exp $
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* $Id: command.c,v 1.170 1998/10/26 19:07:36 brian Exp $
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*
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*/
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#include <sys/types.h>
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@ -113,6 +113,8 @@
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#define VAR_CALLBACK 24
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#define VAR_CBCP 25
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#define VAR_CHOKED 26
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#define VAR_SENDPIPE 27
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#define VAR_RECVPIPE 28
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/* ``accept|deny|disable|enable'' masks */
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#define NEG_HISMASK (1)
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@ -132,7 +134,7 @@
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#define NEG_DNS 50
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const char Version[] = "2.0";
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const char VersionDate[] = "$Date: 1998/10/24 01:08:45 $";
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const char VersionDate[] = "$Date: 1998/10/26 19:07:36 $";
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static int ShowCommand(struct cmdargs const *);
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static int TerminalCommand(struct cmdargs const *);
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@ -484,8 +486,9 @@ ShellCommand(struct cmdargs const *arg, int bg)
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execl(shell, shell, NULL);
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}
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log_Printf(LogWARN, "exec() of %s failed\n",
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arg->argc > arg->argn ? arg->argv[arg->argn] : shell);
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log_Printf(LogWARN, "exec() of %s failed: %s\n",
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arg->argc > arg->argn ? arg->argv[arg->argn] : shell,
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strerror(errno));
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exit(255);
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}
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@ -1665,7 +1668,16 @@ SetVariable(struct cmdargs const *arg)
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if (arg->bundle->cfg.choked.timeout <= 0)
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arg->bundle->cfg.choked.timeout = CHOKED_TIMEOUT;
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break;
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case VAR_SENDPIPE:
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long_val = atol(argp);
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arg->bundle->ncp.ipcp.cfg.sendpipe = long_val;
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break;
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case VAR_RECVPIPE:
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long_val = atol(argp);
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arg->bundle->ncp.ipcp.cfg.recvpipe = long_val;
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break;
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}
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return err ? 1 : 0;
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@ -1763,8 +1775,12 @@ static struct cmdtab const SetCommands[] = {
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"set phone phone1[:phone2[...]]", (const void *)VAR_PHONE},
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{"reconnect", NULL, datalink_SetReconnect, LOCAL_AUTH | LOCAL_CX,
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"Reconnect timeout", "set reconnect value ntries"},
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{"recvpipe", NULL, SetVariable, LOCAL_AUTH,
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"RECVPIPE value", "set recvpipe value", (const void *)VAR_RECVPIPE},
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{"redial", NULL, datalink_SetRedial, LOCAL_AUTH | LOCAL_CX,
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"Redial timeout", "set redial value|random[.value|random] [attempts]"},
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{"sendpipe", NULL, SetVariable, LOCAL_AUTH,
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"SENDPIPE value", "set sendpipe value", (const void *)VAR_SENDPIPE},
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{"server", "socket", SetServer, LOCAL_AUTH,
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"server port", "set server|socket TcpPort|LocalName|none password [mask]"},
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{"speed", NULL, SetModemSpeed, LOCAL_AUTH | LOCAL_CX,
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@ -2166,8 +2182,10 @@ static struct cmdtab const NegotiateCommands[] = {
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"disable|enable", (const void *)OPT_LOOPBACK},
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{"passwdauth", NULL, OptSet, LOCAL_AUTH, "Use passwd file",
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"disable|enable", (const void *)OPT_PASSWDAUTH},
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{"proxy", NULL, OptSet, LOCAL_AUTH, "Create proxy ARP entry",
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{"proxy", NULL, OptSet, LOCAL_AUTH, "Create a proxy ARP entry",
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"disable|enable", (const void *)OPT_PROXY},
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{"proxyall", NULL, OptSet, LOCAL_AUTH, "Proxy ARP for all remote hosts",
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"disable|enable", (const void *)OPT_PROXYALL},
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{"sroutes", NULL, OptSet, LOCAL_AUTH, "Use sticky routes",
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"disable|enable", (const void *)OPT_SROUTES},
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{"throughput", NULL, OptSet, LOCAL_AUTH, "Rolling throughput",
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@ -2178,7 +2196,7 @@ static struct cmdtab const NegotiateCommands[] = {
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"maintain interface addresses", "disable|enable",
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(const void *)OPT_IFACEALIAS},
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#define OPT_MAX 8 /* accept/deny allowed below and not above */
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#define OPT_MAX 9 /* accept/deny allowed below and not above */
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{"acfcomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
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"Address & Control field compression", "accept|deny|disable|enable",
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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||||
*
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||||
* $Id: ipcp.c,v 1.66 1998/09/17 00:45:26 brian Exp $
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* $Id: ipcp.c,v 1.67 1998/10/22 02:32:49 brian Exp $
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*
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* TODO:
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* o More RFC1772 backward compatibility
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@ -28,10 +28,12 @@
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#include <netinet/ip.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <net/route.h>
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#include <netdb.h>
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#include <net/if.h>
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#include <sys/sockio.h>
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#include <sys/un.h>
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#include <arpa/nameser.h>
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#include <fcntl.h>
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#include <resolv.h>
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@ -456,10 +458,40 @@ ipcp_Setup(struct ipcp *ipcp)
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ipcp->my_reject = 0;
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}
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static int
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ipcp_doproxyall(struct bundle *bundle,
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int (*proxyfun)(struct bundle *, struct in_addr, int), int s)
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{
|
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int n, ret;
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struct sticky_route *rp;
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struct in_addr addr;
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struct ipcp *ipcp;
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ipcp = &bundle->ncp.ipcp;
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for (rp = ipcp->route; rp != NULL; rp = rp->next) {
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if (ntohl(rp->mask.s_addr) == INADDR_BROADCAST)
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continue;
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n = INADDR_BROADCAST - ntohl(rp->mask.s_addr) - 1;
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||||
if (n > 0 && n <= 254 && rp->dst.s_addr != INADDR_ANY) {
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addr = rp->dst;
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while (n--) {
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addr.s_addr = htonl(ntohl(addr.s_addr) + 1);
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log_Printf(LogDEBUG, "ipcp_doproxyall: %s\n", inet_ntoa(addr));
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ret = (*proxyfun)(bundle, addr, s);
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if (!ret)
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return ret;
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}
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||||
}
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||||
}
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||||
|
||||
return 0;
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||||
}
|
||||
|
||||
static int
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ipcp_SetIPaddress(struct bundle *bundle, struct in_addr myaddr,
|
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struct in_addr hisaddr, int silent)
|
||||
{
|
||||
static struct in_addr none = { INADDR_ANY };
|
||||
struct in_addr mask, oaddr;
|
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u_int32_t addr;
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||||
|
||||
@ -486,16 +518,22 @@ ipcp_SetIPaddress(struct bundle *bundle, struct in_addr myaddr,
|
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/* Nuke the old one */
|
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iface_inDelete(bundle->iface, oaddr);
|
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|
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if (bundle->ncp.ipcp.cfg.sendpipe > 0 || bundle->ncp.ipcp.cfg.recvpipe > 0)
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bundle_SetRoute(bundle, RTM_CHANGE, hisaddr, myaddr, none, 0, 0);
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|
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if (Enabled(bundle, OPT_SROUTES))
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route_Change(bundle, bundle->ncp.ipcp.route, myaddr, hisaddr);
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|
||||
if (Enabled(bundle, OPT_PROXY)) {
|
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if (Enabled(bundle, OPT_PROXY) || Enabled(bundle, OPT_PROXYALL)) {
|
||||
int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (s < 0)
|
||||
log_Printf(LogERROR, "ipcp_SetIPaddress: socket(): %s\n",
|
||||
strerror(errno));
|
||||
else {
|
||||
arp_SetProxy(bundle, hisaddr, s);
|
||||
if (Enabled(bundle, OPT_PROXYALL))
|
||||
ipcp_doproxyall(bundle, arp_SetProxy, s);
|
||||
else if (Enabled(bundle, OPT_PROXY))
|
||||
arp_SetProxy(bundle, hisaddr, s);
|
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close(s);
|
||||
}
|
||||
}
|
||||
@ -623,13 +661,17 @@ ipcp_CleanInterface(struct ipcp *ipcp)
|
||||
|
||||
route_Clean(ipcp->fsm.bundle, ipcp->route);
|
||||
|
||||
if (iface->in_addrs && Enabled(ipcp->fsm.bundle, OPT_PROXY)) {
|
||||
if (iface->in_addrs && (Enabled(ipcp->fsm.bundle, OPT_PROXY) ||
|
||||
Enabled(ipcp->fsm.bundle, OPT_PROXYALL))) {
|
||||
int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (s < 0)
|
||||
log_Printf(LogERROR, "ipcp_CleanInterface: socket: %s\n",
|
||||
strerror(errno));
|
||||
else {
|
||||
arp_ClearProxy(ipcp->fsm.bundle, iface->in_addr[0].brd, s);
|
||||
if (Enabled(ipcp->fsm.bundle, OPT_PROXYALL))
|
||||
ipcp_doproxyall(ipcp->fsm.bundle, arp_ClearProxy, s);
|
||||
else if (Enabled(ipcp->fsm.bundle, OPT_PROXY))
|
||||
arp_ClearProxy(ipcp->fsm.bundle, iface->in_addr[0].brd, s);
|
||||
close(s);
|
||||
}
|
||||
}
|
||||
|
||||
@ -15,7 +15,7 @@
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Id: ipcp.h,v 1.20 1998/08/26 17:39:37 brian Exp $
|
||||
* $Id: ipcp.h,v 1.21 1998/10/22 02:32:49 brian Exp $
|
||||
*
|
||||
* TODO:
|
||||
*/
|
||||
@ -57,6 +57,9 @@ struct ipcp {
|
||||
struct in_range peer_range; /* HISADDR spec */
|
||||
struct iplist peer_list; /* Ranges of HISADDR values */
|
||||
|
||||
u_long sendpipe; /* route sendpipe size */
|
||||
u_long recvpipe; /* route recvpipe size */
|
||||
|
||||
struct in_addr TriggerAddress; /* Address to suggest in REQ */
|
||||
unsigned HaveTriggerAddress : 1; /* Trigger address specified */
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
.\" $Id: ppp.8,v 1.127 1998/10/22 02:32:49 brian Exp $
|
||||
.\" $Id: ppp.8,v 1.128 1998/10/26 19:07:36 brian Exp $
|
||||
.Dd 20 September 1995
|
||||
.Os FreeBSD
|
||||
.Dt PPP 8
|
||||
@ -2084,6 +2084,11 @@ as the client password in
|
||||
Default: Disabled. Enabling this option will tell
|
||||
.Nm
|
||||
to proxy ARP for the peer.
|
||||
.It proxyall
|
||||
Default: Disabled. Enabling this will tell
|
||||
.Nm
|
||||
to add proxy arp entries for every IP address in all class C or
|
||||
smaller subnets routed via the tun interface.
|
||||
.It sroutes
|
||||
Default: Enabled. When the
|
||||
.Dq add
|
||||
@ -3317,6 +3322,11 @@ defaults to zero. A value of
|
||||
for
|
||||
.Ar timeout
|
||||
will result in a variable pause, somewhere between 0 and 30 seconds.
|
||||
.It set recvpipe Op Ar value
|
||||
This sets the routing table RECVPIPE value. The optimum value is
|
||||
just over twice the MTU value. If
|
||||
.Ar value
|
||||
is unspecified or zero, the default kernel controlled value is used.
|
||||
.It set redial Ar seconds[.nseconds] [attempts]
|
||||
.Nm Ppp
|
||||
can be instructed to attempt to redial
|
||||
@ -3345,6 +3355,11 @@ should immediately follow the
|
||||
keyword. See the
|
||||
.Dq open
|
||||
description above for further details.
|
||||
.It set sendpipe Op Ar value
|
||||
This sets the routing table SENDPIPE value. The optimum value is
|
||||
just over twice the MTU value. If
|
||||
.Ar value
|
||||
is unspecified or zero, the default kernel controlled value is used.
|
||||
.It set server|socket Ar TcpPort|LocalName|none password Op Ar mask
|
||||
This command tells
|
||||
.Nm
|
||||
@ -3532,11 +3547,11 @@ Read the example configuration files. They are a good source of information.
|
||||
.It
|
||||
Use
|
||||
.Dq help ,
|
||||
.Dq show ? ,
|
||||
.Dq alias ? ,
|
||||
.Dq enable ? ,
|
||||
.Dq set ?
|
||||
and
|
||||
.Dq set ? <var>
|
||||
.Dq show ?
|
||||
to get online information about what's available.
|
||||
.It
|
||||
The following urls contain useful information:
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
.\" $Id: ppp.8,v 1.127 1998/10/22 02:32:49 brian Exp $
|
||||
.\" $Id: ppp.8,v 1.128 1998/10/26 19:07:36 brian Exp $
|
||||
.Dd 20 September 1995
|
||||
.Os FreeBSD
|
||||
.Dt PPP 8
|
||||
@ -2084,6 +2084,11 @@ as the client password in
|
||||
Default: Disabled. Enabling this option will tell
|
||||
.Nm
|
||||
to proxy ARP for the peer.
|
||||
.It proxyall
|
||||
Default: Disabled. Enabling this will tell
|
||||
.Nm
|
||||
to add proxy arp entries for every IP address in all class C or
|
||||
smaller subnets routed via the tun interface.
|
||||
.It sroutes
|
||||
Default: Enabled. When the
|
||||
.Dq add
|
||||
@ -3317,6 +3322,11 @@ defaults to zero. A value of
|
||||
for
|
||||
.Ar timeout
|
||||
will result in a variable pause, somewhere between 0 and 30 seconds.
|
||||
.It set recvpipe Op Ar value
|
||||
This sets the routing table RECVPIPE value. The optimum value is
|
||||
just over twice the MTU value. If
|
||||
.Ar value
|
||||
is unspecified or zero, the default kernel controlled value is used.
|
||||
.It set redial Ar seconds[.nseconds] [attempts]
|
||||
.Nm Ppp
|
||||
can be instructed to attempt to redial
|
||||
@ -3345,6 +3355,11 @@ should immediately follow the
|
||||
keyword. See the
|
||||
.Dq open
|
||||
description above for further details.
|
||||
.It set sendpipe Op Ar value
|
||||
This sets the routing table SENDPIPE value. The optimum value is
|
||||
just over twice the MTU value. If
|
||||
.Ar value
|
||||
is unspecified or zero, the default kernel controlled value is used.
|
||||
.It set server|socket Ar TcpPort|LocalName|none password Op Ar mask
|
||||
This command tells
|
||||
.Nm
|
||||
@ -3532,11 +3547,11 @@ Read the example configuration files. They are a good source of information.
|
||||
.It
|
||||
Use
|
||||
.Dq help ,
|
||||
.Dq show ? ,
|
||||
.Dq alias ? ,
|
||||
.Dq enable ? ,
|
||||
.Dq set ?
|
||||
and
|
||||
.Dq set ? <var>
|
||||
.Dq show ?
|
||||
to get online information about what's available.
|
||||
.It
|
||||
The following urls contain useful information:
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user