Blame SOURCES/dhcp-dhclient_ipv6_prefix.patch

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diff --git a/client/dhc6.c b/client/dhc6.c
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index 5460ee1..fe0057c 100644
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--- a/client/dhc6.c
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+++ b/client/dhc6.c
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@@ -148,6 +148,7 @@ static int dhc6_score_lease(struct client_state *client,
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 extern int onetry;
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 extern int stateless;
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+extern int address_prefix_len;
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 /*
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  * Assign DHCPv6 port numbers as a client.
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@@ -4364,7 +4365,7 @@ dhc6_marshall_values(const char *prefix, struct client_state *client,
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 				      (unsigned) addr->plen);
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 		} else {
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 			client_envadd(client, prefix, "ip6_prefixlen",
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-				      "%d", DHCLIENT_DEFAULT_PREFIX_LEN);
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+				      "%d", address_prefix_len);
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 			client_envadd(client, prefix, "ip6_address",
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 				      "%s", piaddr(addr->address));
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 		}
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diff --git a/client/dhclient.c b/client/dhclient.c
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index b61da43..05bfc7e 100644
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--- a/client/dhclient.c
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+++ b/client/dhclient.c
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@@ -114,6 +114,7 @@ char *progname = NULL;
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 int bootp_broadcast_always = 0;
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+int address_prefix_len = DHCLIENT_DEFAULT_PREFIX_LEN;
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 extern struct option *default_requested_options[];
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 void run_stateless(int exit_mode, u_int16_t port);
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@@ -192,6 +193,7 @@ usage(const char *sfmt, const char *sarg)
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 #endif
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 #else /* DHCPv6 */
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 		  "[-I1dvrxi] [-nw] [-p <port>] [-D LL|LLT] \n"
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+                   "                [--address-prefix-len length]\n"
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 #endif /* DHCPv6 */
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 		  "                [-s server-addr] [-cf config-file]\n"
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 		  "                [-df duid-file] [-lf lease-file]\n"
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@@ -392,6 +394,17 @@ main(int argc, char **argv) {
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 			tmp->next = client_env;
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 			client_env = tmp;
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 			client_env_count++;
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+		} else if (!strcmp(argv[i], "--address-prefix-len")) {
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+			if (++i == argc) {
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+				usage(use_noarg, argv[i-1]);
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+			}
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+			errno = 0;
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+			address_prefix_len = (int)strtol(argv[i], &s, 10);
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+			if (errno || (*s != '\0') ||
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+			    (address_prefix_len < 0)) {
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+ 		                usage("Invalid value for"       
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+				      " --address-prefix-len: %s", argv[i]);
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+                       }
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 #ifdef DHCPv6
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 		} else if (!strcmp(argv[i], "-S")) {
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 			if (local_family_set && (local_family == AF_INET)) {
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diff --git a/includes/site.h b/includes/site.h
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index b2f7fd7..aad9711 100644
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--- a/includes/site.h
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+++ b/includes/site.h
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@@ -286,7 +286,7 @@
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    is a host address and doesn't include any on-link information.
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    64 indicates that the first 64 bits are the subnet or on-link
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    prefix. */
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-#define DHCLIENT_DEFAULT_PREFIX_LEN 64
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+#define DHCLIENT_DEFAULT_PREFIX_LEN 128
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 /* Enable the gentle shutdown signal handling.  Currently this
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    means that on SIGINT or SIGTERM a client will release its
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diff --git a/client/dhclient.c b/client/dhclient.c
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index 2f29591..6c8b145 100644
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diff --git a/client/dhclient.c b/client/dhclient.c
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index b0bf2bf..f7b1476 100644
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--- a/client/dhclient.c
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+++ b/client/dhclient.c
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@@ -193,7 +193,6 @@ usage(const char *sfmt, const char *sarg)
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 #endif
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 #else /* DHCPv6 */
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 		  "[-I1dvrxi] [-nw] [-p <port>] [-D LL|LLT] \n"
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-                   "                [--address-prefix-len length]\n"
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 #endif /* DHCPv6 */
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 		  "                [-s server-addr] [-cf config-file]\n"
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 		  "                [-df duid-file] [-lf lease-file]\n"
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@@ -202,6 +201,7 @@ usage(const char *sfmt, const char *sarg)
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 		  "                [-C <dhcp-client-identifier>] [-B]\n"
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 		  "                [-H <host-name> | -F <fqdn.fqdn>] [--timeout <timeout>]\n"
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 		  "                [-V <vendor-class-identifier>]\n"
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+		  "                [--address-prefix-len length]\n"
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 		  "                [--request-options <request option list>]",
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 		  isc_file_basename(progname));
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 }