79 lines
2.6 KiB
Diff
79 lines
2.6 KiB
Diff
From 3286e40ff01e78c172dfb0cdb684b58854af7604 Mon Sep 17 00:00:00 2001
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From: liuzhikang <liuzhikang3@huawei.com>
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Date: Thu, 31 Oct 2019 16:07:22 +0800
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Signed-off-by: liuzhikang <liuzhikang3@huawei.com>
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---
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client/dhc6.c | 3 ++-
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client/dhclient.c | 17 +++++++++++++++--
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2 files changed, 17 insertions(+), 3 deletions(-)
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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 62b90cf..9f8ba06 100644
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--- a/client/dhclient.c
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+++ b/client/dhclient.c
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@@ -108,6 +108,7 @@ int require_all_ias = 0; /* If the user requires all of the IAs to
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be available before accepting a lease
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0 = no, 1 = requries */
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int dad_wait_time = 0;
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+int address_prefix_len = DHCLIENT_DEFAULT_PREFIX_LEN;
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char *mockup_relay = NULL;
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char *progname = NULL;
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@@ -190,9 +191,11 @@ usage(const char *sfmt, const char *sarg)
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#ifdef DHCP4o6
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"[-4|-6] [-SNTPRI1dvrxi] [-nw] -4o6 <port>] [-p <port>]\n"
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" [-D LL|LLT] [--dad-wait-time seconds]\n"
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+ " [--address-prefix-len length]\n"
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#else /* DHCP4o6 */
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"[-4|-6] [-SNTPRI1dvrxi] [-nw] [-p <port>]\n"
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- " [-D LL|LLT] [--dad-wait-time seconds]\n"
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+ " [-D LL|LLT] [--dad-wait-time seconds]\n"
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+ " [--address-prefix-len length]\n"
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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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@@ -452,7 +455,17 @@ main(int argc, char **argv) {
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if (errno || (*s != '\0') || (dad_wait_time < 0)) {
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usage("Invalid value for --dad-wait-time: %s", argv[i]);
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}
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-
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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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#endif /* DHCPv6 */
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} else if (!strcmp(argv[i], "-D")) {
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duid_v4 = 1;
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--
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2.19.1
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