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8f2e99c813
function old new delta udhcpd_main 1501 1531 +30 d6_recv_raw_packet 251 264 +13 perform_d6_release 188 198 +10 udhcpc6_main 2443 2449 +6 udhcp_recv_raw_packet 582 588 +6 udhcp_recv_kernel_packet 132 138 +6 send_d6_renew 140 146 +6 d6_recv_kernel_packet 118 124 +6 send_renew 77 82 +5 send_discover 85 90 +5 send_decline 84 89 +5 send_d6_select 97 102 +5 send_d6_discover 174 179 +5 perform_release 167 172 +5 count_lines 72 74 +2 udhcpc_main 2836 2837 +1 bb_info_msg 125 - -125 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 17/4 up/down: 117/-180) Total: -63 bytes text data bss dec hex filename 924935 906 17160 943001 e6399 busybox_old 924736 906 17160 942802 e62d2 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
35 lines
864 B
C
35 lines
864 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Copyright (C) 2011 Denys Vlasenko.
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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#include "common.h"
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#include "d6_common.h"
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#include <net/if.h>
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int FAST_FUNC d6_listen_socket(int port, const char *inf)
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{
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int fd;
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struct sockaddr_in6 addr;
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log1("opening listen socket on *:%d %s", port, inf);
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fd = xsocket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
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setsockopt_reuseaddr(fd);
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if (setsockopt_broadcast(fd) == -1)
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bb_perror_msg_and_die("SO_BROADCAST");
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/* NB: bug 1032 says this doesn't work on ethernet aliases (ethN:M) */
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if (setsockopt_bindtodevice(fd, inf))
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xfunc_die(); /* warning is already printed */
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memset(&addr, 0, sizeof(addr));
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addr.sin6_family = AF_INET6;
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addr.sin6_port = htons(port);
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/* addr.sin6_addr is all-zeros */
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xbind(fd, (struct sockaddr *)&addr, sizeof(addr));
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return fd;
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}
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