mirror of https://github.com/hak5/openwrt.git
74 lines
2.7 KiB
Diff
74 lines
2.7 KiB
Diff
From 6a7cd3d4aba493c0b0d00155b1e09a867db437cf Mon Sep 17 00:00:00 2001
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From: Michael Tokarev <mjt@tls.msk.ru>
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Date: Wed, 20 May 2015 16:27:44 +0300
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Subject: [PATCH] ip addr: support change and replace commands
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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---
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networking/ip.c | 2 +-
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networking/libiproute/ipaddress.c | 20 ++++++++++++--------
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2 files changed, 13 insertions(+), 9 deletions(-)
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--- a/networking/ip.c
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+++ b/networking/ip.c
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@@ -33,7 +33,7 @@
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//usage: "{ {add|del} IFADDR dev STRING | {show|flush}\n"
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//usage: " [dev STRING] [to PREFIX] }"
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//usage:#define ipaddr_full_usage "\n\n"
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-//usage: "ipaddr {add|delete} IFADDR dev STRING\n"
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+//usage: "ipaddr {add|change|replace|delete} IFADDR dev STRING\n"
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//usage: "ipaddr {show|flush} [dev STRING] [scope SCOPE-ID]\n"
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//usage: " [to PREFIX] [label PATTERN]\n"
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//usage: " IFADDR := PREFIX | ADDR peer PREFIX\n"
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--- a/networking/libiproute/ipaddress.c
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+++ b/networking/libiproute/ipaddress.c
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@@ -598,7 +598,7 @@ static int default_scope(inet_prefix *lc
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}
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/* Return value becomes exitcode. It's okay to not return at all */
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-static int ipaddr_modify(int cmd, char **argv)
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+static int ipaddr_modify(int cmd, int flags, char **argv)
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{
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static const char option[] ALIGN1 =
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"peer\0""remote\0""broadcast\0""brd\0"
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@@ -622,7 +622,7 @@ static int ipaddr_modify(int cmd, char *
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memset(&req, 0, sizeof(req));
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req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
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- req.n.nlmsg_flags = NLM_F_REQUEST;
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+ req.n.nlmsg_flags = NLM_F_REQUEST | flags;
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req.n.nlmsg_type = cmd;
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req.ifa.ifa_family = preferred_family;
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@@ -749,16 +749,24 @@ static int ipaddr_modify(int cmd, char *
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int FAST_FUNC do_ipaddr(char **argv)
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{
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static const char commands[] ALIGN1 =
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- "add\0""delete\0""list\0""show\0""lst\0""flush\0";
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+ /* 0 1 2 3 4 5 6 7 8 */
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+ "add\0""change\0""chg\0""replace\0""delete\0""list\0""show\0""lst\0""flush\0";
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int cmd = 2;
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if (*argv) {
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cmd = index_in_substrings(commands, *argv);
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if (cmd < 0)
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invarg(*argv, applet_name);
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argv++;
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- if (cmd <= 1)
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- return ipaddr_modify((cmd == 0) ? RTM_NEWADDR : RTM_DELADDR, argv);
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+ if (cmd <= 4) {
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+ return ipaddr_modify(
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+ /*cmd:*/ cmd == 4 ? RTM_DELADDR : RTM_NEWADDR,
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+ /*flags:*/
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+ cmd == 0 ? NLM_F_CREATE|NLM_F_EXCL : /* add */
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+ cmd == 1 || cmd == 2 ? NLM_F_REPLACE : /* change */
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+ cmd == 3 ? NLM_F_CREATE|NLM_F_REPLACE : /* replace */
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+ 0 /* delete */
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+ , argv);
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+ }
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}
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- /* 2 == list, 3 == show, 4 == lst */
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- return ipaddr_list_or_flush(argv, cmd == 5);
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+ return ipaddr_list_or_flush(argv, cmd == 8);
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}
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