1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * ip.c "ip" utility frontend.
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4 | *
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5 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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6 | *
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7 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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8 | *
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9 | *
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10 | * Changes:
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11 | *
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12 | * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
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13 | * Bernhard Fischer rewrote to use index_in_substr_array
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14 | */
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15 |
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16 | #include "libbb.h"
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17 |
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18 | #include "libiproute/utils.h"
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19 | #include "libiproute/ip_common.h"
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20 |
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21 | #if ENABLE_FEATURE_IP_ADDRESS \
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22 | || ENABLE_FEATURE_IP_ROUTE \
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23 | || ENABLE_FEATURE_IP_LINK \
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24 | || ENABLE_FEATURE_IP_TUNNEL \
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25 | || ENABLE_FEATURE_IP_RULE
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26 |
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27 | static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
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28 | {
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29 | bb_show_usage();
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30 | }
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31 |
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32 | static int (*ip_func)(int argc, char **argv) = ip_print_help;
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33 |
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34 | static int ip_do(int argc, char **argv)
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35 | {
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36 | ip_parse_common_args(&argc, &argv);
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37 | return ip_func(argc-1, argv+1);
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38 | }
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39 |
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40 | #if ENABLE_FEATURE_IP_ADDRESS
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41 | int ipaddr_main(int argc, char **argv);
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42 | int ipaddr_main(int argc, char **argv)
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43 | {
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44 | ip_func = do_ipaddr;
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45 | return ip_do(argc, argv);
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46 | }
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47 | #endif
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48 | #if ENABLE_FEATURE_IP_LINK
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49 | int iplink_main(int argc, char **argv);
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50 | int iplink_main(int argc, char **argv)
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51 | {
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52 | ip_func = do_iplink;
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53 | return ip_do(argc, argv);
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54 | }
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55 | #endif
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56 | #if ENABLE_FEATURE_IP_ROUTE
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57 | int iproute_main(int argc, char **argv);
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58 | int iproute_main(int argc, char **argv)
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59 | {
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60 | ip_func = do_iproute;
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61 | return ip_do(argc, argv);
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62 | }
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63 | #endif
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64 | #if ENABLE_FEATURE_IP_RULE
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65 | int iprule_main(int argc, char **argv);
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66 | int iprule_main(int argc, char **argv)
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67 | {
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68 | ip_func = do_iprule;
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69 | return ip_do(argc, argv);
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70 | }
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71 | #endif
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72 | #if ENABLE_FEATURE_IP_TUNNEL
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73 | int iptunnel_main(int argc, char **argv);
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74 | int iptunnel_main(int argc, char **argv)
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75 | {
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76 | ip_func = do_iptunnel;
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77 | return ip_do(argc, argv);
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78 | }
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79 | #endif
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80 |
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81 |
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82 | int ip_main(int argc, char **argv);
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83 | int ip_main(int argc, char **argv)
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84 | {
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85 | static const char keywords[] ALIGN1 =
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86 | USE_FEATURE_IP_ADDRESS("address\0")
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87 | USE_FEATURE_IP_ROUTE("route\0")
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88 | USE_FEATURE_IP_LINK("link\0")
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89 | USE_FEATURE_IP_TUNNEL("tunnel\0" "tunl\0")
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90 | USE_FEATURE_IP_RULE("rule\0")
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91 | ;
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92 | enum {
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93 | USE_FEATURE_IP_ADDRESS(IP_addr,)
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94 | USE_FEATURE_IP_ROUTE(IP_route,)
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95 | USE_FEATURE_IP_LINK(IP_link,)
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96 | USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
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97 | USE_FEATURE_IP_RULE(IP_rule,)
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98 | IP_none
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99 | };
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100 |
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101 | ip_parse_common_args(&argc, &argv);
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102 | if (argc > 1) {
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103 | int key = index_in_substrings(keywords, argv[1]);
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104 | argc -= 2;
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105 | argv += 2;
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106 | #if ENABLE_FEATURE_IP_ADDRESS
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107 | if (key == IP_addr)
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108 | ip_func = do_ipaddr;
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109 | #endif
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110 | #if ENABLE_FEATURE_IP_ROUTE
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111 | if (key == IP_route)
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112 | ip_func = do_iproute;
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113 | #endif
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114 | #if ENABLE_FEATURE_IP_LINK
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115 | if (key == IP_link)
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116 | ip_func = do_iplink;
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117 | #endif
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118 | #if ENABLE_FEATURE_IP_TUNNEL
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119 | if (key == IP_tunnel || key == IP_tunl)
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120 | ip_func = do_iptunnel;
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121 | #endif
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122 | #if ENABLE_FEATURE_IP_RULE
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123 | if (key == IP_rule)
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124 | ip_func = do_iprule;
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125 | #endif
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126 | }
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127 | return ip_func(argc, argv);
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128 | }
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129 |
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130 | #endif /* any of ENABLE_FEATURE_IP_xxx is 1 */
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