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conf, tap: Add option to quit once the client closes the connection
This is practical to avoid explicit lifecycle management in users, e.g. libvirtd, and is trivial to implement. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
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parent
9de65dd3f4
commit
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4 changed files with 27 additions and 1 deletions
17
conf.c
17
conf.c
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@ -712,6 +712,7 @@ static void usage(const char *name)
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if (strstr(name, "pasta"))
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goto pasta_opts;
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info( " -1, --one-off Quit after handling one single client");
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info( " -t, --tcp-ports SPEC TCP port forwarding to guest");
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info( " can be specified multiple times");
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info( " SPEC can be:");
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@ -1023,6 +1024,7 @@ void conf(struct ctx *c, int argc, char **argv)
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{"no-map-gw", no_argument, &c->no_map_gw, 1 },
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{"ipv4-only", no_argument, NULL, '4' },
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{"ipv6-only", no_argument, NULL, '6' },
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{"one-off", no_argument, NULL, '1' },
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{"tcp-ports", required_argument, NULL, 't' },
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{"udp-ports", required_argument, NULL, 'u' },
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{"tcp-ns", required_argument, NULL, 'T' },
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@ -1062,7 +1064,7 @@ void conf(struct ctx *c, int argc, char **argv)
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c->no_dhcp_dns = c->no_dhcp_dns_search = 1;
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optstring = "dqfel:hI:p:P:m:a:n:M:g:i:D:S:46t:u:T:U:";
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} else {
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optstring = "dqfel:hs:p:P:m:a:n:M:g:i:D:S:46t:u:";
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optstring = "dqfel:hs:p:P:m:a:n:M:g:i:D:S:461t:u:";
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}
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c->tcp.fwd_in.mode = c->tcp.fwd_out.mode = 0;
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@ -1488,6 +1490,19 @@ void conf(struct ctx *c, int argc, char **argv)
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case '6':
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v6_only = true;
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break;
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case '1':
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if (c->mode != MODE_PASST) {
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err("--one-off is for passt mode only");
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usage(argv[0]);
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}
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if (c->one_off) {
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err("Redundant --one-off option");
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usage(argv[0]);
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}
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c->one_off = true;
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break;
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case 't':
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case 'u':
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case 'T':
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