| 1 | /*
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| 2 | * ip.c "ip" utility frontend.
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| 3 | *
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| 4 | * This program is free software; you can redistribute it and/or
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| 5 | * modify it under the terms of the GNU General Public License
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| 6 | * as published by the Free Software Foundation; either version
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| 7 | * 2 of the License, or (at your option) any later version.
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| 8 | *
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| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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| 10 | *
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| 11 | *
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| 12 | * Changes:
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| 13 | *
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| 14 | * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
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| 15 | */
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| 16 |
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| 17 | #include <string.h>
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| 18 |
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| 19 | #include "libbb.h"
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| 20 | #include "utils.h"
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| 21 | #include "ip_common.h"
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| 22 |
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| 23 |
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| 24 | int preferred_family = AF_UNSPEC;
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| 25 | int oneline = 0;
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| 26 | char * _SL_ = NULL;
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| 27 |
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| 28 | void ip_parse_common_args(int *argcp, char ***argvp)
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| 29 | {
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| 30 | int argc = *argcp;
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| 31 | char **argv = *argvp;
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| 32 |
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| 33 | while (argc > 1) {
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| 34 | char *opt = argv[1];
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| 35 |
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| 36 | if (strcmp(opt,"--") == 0) {
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| 37 | argc--; argv++;
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| 38 | break;
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| 39 | }
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| 40 |
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| 41 | if (opt[0] != '-')
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| 42 | break;
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| 43 |
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| 44 | if (opt[1] == '-')
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| 45 | opt++;
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| 46 |
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| 47 | if (matches(opt, "-family") == 0) {
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| 48 | argc--;
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| 49 | argv++;
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| 50 | if (! argv[1])
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| 51 | bb_show_usage();
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| 52 | if (strcmp(argv[1], "inet") == 0)
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| 53 | preferred_family = AF_INET;
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| 54 | else if (strcmp(argv[1], "inet6") == 0)
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| 55 | preferred_family = AF_INET6;
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| 56 | else if (strcmp(argv[1], "link") == 0)
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| 57 | preferred_family = AF_PACKET;
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| 58 | else
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| 59 | invarg(argv[1], "protocol family");
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| 60 | } else if (strcmp(opt, "-4") == 0) {
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| 61 | preferred_family = AF_INET;
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| 62 | } else if (strcmp(opt, "-6") == 0) {
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| 63 | preferred_family = AF_INET6;
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| 64 | } else if (strcmp(opt, "-0") == 0) {
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| 65 | preferred_family = AF_PACKET;
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| 66 | } else if (matches(opt, "-oneline") == 0) {
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| 67 | ++oneline;
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| 68 | } else {
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| 69 | bb_show_usage();
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| 70 | }
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| 71 | argc--; argv++;
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| 72 | }
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| 73 | _SL_ = oneline ? "\\" : "\n" ;
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| 74 | *argcp = argc;
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| 75 | *argvp = argv;
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| 76 | }
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