[331] | 1 | #include "mruby.h"
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| 2 | #include <sys/types.h>
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| 3 | #include <sys/socket.h>
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| 4 | #include <netinet/in.h>
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| 5 | #include <arpa/inet.h>
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| 6 | #include <string.h>
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| 7 | #include "mruby/string.h"
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| 8 |
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| 9 | static mrb_value
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| 10 | mrb_ipaddr_ntop(mrb_state *mrb, mrb_value klass)
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| 11 | {
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| 12 | mrb_int af, n;
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| 13 | char *addr, buf[50];
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| 14 |
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| 15 | mrb_get_args(mrb, "s", &addr, &n);
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| 16 | if (n == 4) {
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| 17 | af = AF_INET;
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| 18 | } else if (n == 16) {
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| 19 | af = AF_INET6;
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| 20 | } else {
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| 21 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
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| 22 | }
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| 23 | if (inet_ntop(af, addr, buf, sizeof(buf)) == NULL)
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| 24 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
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| 25 | return mrb_str_new_cstr(mrb, buf);
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| 26 | }
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| 27 |
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| 28 | static mrb_value
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| 29 | mrb_ipaddr_pton(mrb_state *mrb, mrb_value klass)
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| 30 | {
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| 31 | mrb_int af, n;
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| 32 | mrb_value s;
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| 33 | char *bp, buf[50];
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| 34 |
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| 35 | mrb_get_args(mrb, "is", &af, &bp, &n);
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| 36 | if (n > sizeof(buf) - 1)
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| 37 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
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| 38 | memcpy(buf, bp, n);
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| 39 | buf[n] = '\0';
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| 40 |
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| 41 | if (af == AF_INET) {
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| 42 | struct in_addr in;
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| 43 | if (inet_pton(AF_INET, buf, (void *)&in.s_addr) != 1) {
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| 44 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
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| 45 | }
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| 46 | s = mrb_str_new(mrb, (char *)&in.s_addr, 4);
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| 47 | } else if (af == AF_INET6) {
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| 48 | struct in6_addr in6;
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| 49 | if (inet_pton(AF_INET6, buf, (void *)&in6.s6_addr) != 1) {
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| 50 | mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid address");
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| 51 | }
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| 52 | s = mrb_str_new(mrb, (char *)&in6.s6_addr, 16);
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| 53 | } else
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| 54 | mrb_raise(mrb, E_ARGUMENT_ERROR, "unsupported address family");
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| 55 |
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| 56 | return s;
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| 57 | }
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| 58 |
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| 59 | void
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| 60 | mrb_mruby_ipaddr_gem_init(mrb_state *mrb)
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| 61 | {
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| 62 | struct RClass *c;
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| 63 |
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| 64 | c = mrb_define_class(mrb, "IPAddr", mrb->object_class);
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| 65 | mrb_define_class_method(mrb, c, "_pton", mrb_ipaddr_pton, MRB_ARGS_REQ(1));
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| 66 | mrb_define_class_method(mrb, c, "ntop", mrb_ipaddr_ntop, MRB_ARGS_REQ(1));
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| 67 | }
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| 68 |
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| 69 | void
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| 70 | mrb_mruby_ipaddr_gem_final(mrb_state *mrb)
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| 71 | {
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| 72 | }
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