nsz Git - libc-test/blob - src/functional/inet_pton.c

   1 // inet_pton and inet_ntop tests with roundtrip check
   2 #include <string.h>
   3 #include <stdio.h>
   4 #include <arpa/inet.h>
   5 #include "test.h"
   6
   7 static int digit(int c)
   8 {
   9         c-='0';
  10         if (c>9) c-='a'-'0'-10;
  11         return c;
  12 }
  13
  14 static void tobin(char *d, char *s)
  15 {
  16         int i;
  17         for (i=0; s[2*i]; i++) d[i] = digit(s[2*i])*16+digit(s[2*i+1]);
  18 }
  19
  20 static void tohex(char *d, char *s, int n)
  21 {
  22         int i;
  23         for (i=0; i<n; i++) sprintf(d+2*i, "%02x", (unsigned char)s[i]);
  24 }
  25
  26 #define T(af,src,ret,hex) do{\
  27         int r; \
  28         char binaddr[16]; \
  29         char hexaddr[40]; \
  30         char txtaddr[60]; \
  31         r=inet_pton(af,src,binaddr); \
  32         if (r!=ret) \
  33                 t_error("inet_pton("#af", "#src", addr) returned %d, want %d\n", r, ret); \
  34         if (ret!=1) break; \
  35         tohex(hexaddr,binaddr,af==AF_INET?4:16); \
  36         if (strcmp(hexaddr,hex)) \
  37                 t_error("inet_pton("#af", "#src", addr) got addr %s, want %s\n", hexaddr, hex); \
  38         tobin(binaddr,hex); \
  39         if (inet_ntop(af,binaddr,txtaddr,sizeof txtaddr)!=txtaddr) \
  40                 t_error("inet_ntop("#af", <"#hex">, buf, size) did not return buf\n"); \
  41         if (af==AF_INET && strcmp(txtaddr,src)) \
  42                 t_error("inet_ntop("#af", <"#hex">, buf, size) got %s, want %s\n", txtaddr, src); \
  43         if (af!=AF_INET6) break; \
  44         if (inet_pton(af,txtaddr,binaddr)!=1) \
  45                 t_error("inet_ntop("#af", <"#hex">, buf, size) got %s, it is rejected by inet_pton\n", txtaddr); \
  46         tohex(hexaddr,binaddr,16); \
  47         if (strcmp(hexaddr,hex)) \
  48                 t_error("inet_ntop("#af", <"#hex">, buf, size) got %s that is %s, want %s\n", txtaddr, hexaddr, hex); \
  49         if (strncmp(hex,"00000000000000000000ffff",24)==0 && !strchr(txtaddr,'.')) \
  50                 t_error("inet_ntop("#af", <"#hex">, buf, size) got %s, should be ipv4 mapped\n", txtaddr); \
  51 }while(0);
  52
  53 int main(void)
  54 {
  55 T(AF_INET+AF_INET6, "0.0.0.0", -1, "")
  56 T(AF_INET, "0.0.0.0", 1, "00000000")
  57 T(AF_INET, "127.0.0.1", 1, "7f000001")
  58 T(AF_INET, "255.255.255.255", 1, "ffffffff")
  59 T(AF_INET, "1.2.3.", 0, "")
  60 T(AF_INET, "1.2.3.4.5", 0, "")
  61 T(AF_INET, ".1.2.3", 0, "")
  62 T(AF_INET, "1.2.03.4", 0, "")
  63 T(AF_INET, "1.2.3.a", 0, "")
  64 T(AF_INET, "1.256.2.3", 0, "")
  65 T(AF_INET, "1.2.4294967296.3", 0, "")
  66 T(AF_INET, "1.2.-4294967295.3", 0, "")
  67 T(AF_INET, "1.2. 3.4", 0, "")
  68 T(AF_INET6, ":", 0, "")
  69 T(AF_INET6, "::", 1, "00000000000000000000000000000000")
  70 T(AF_INET6, "::1", 1, "00000000000000000000000000000001")
  71 T(AF_INET6, ":::", 0, "")
  72 T(AF_INET6, "192.168.1.1", 0, "")
  73 T(AF_INET6, ":192.168.1.1", 0, "")
  74 T(AF_INET6, "::192.168.1.1", 1, "000000000000000000000000c0a80101")
  75 T(AF_INET6, "0:0:0:0:0:0:192.168.1.1", 1, "000000000000000000000000c0a80101")
  76 T(AF_INET6, "0:0::0:0:0:192.168.1.1", 1, "000000000000000000000000c0a80101")
  77 T(AF_INET6, "::012.34.56.78", 0, "")
  78 T(AF_INET6, ":ffff:192.168.1.1", 0, "")
  79 T(AF_INET6, "::ffff:192.168.1.1", 1, "00000000000000000000ffffc0a80101")
  80 T(AF_INET6, ".192.168.1.1", 0, "")
  81 T(AF_INET6, ":.192.168.1.1", 0, "")
  82 T(AF_INET6, "a:0b:00c:000d:0000e:f::", 1, "000a000b000c000d000e000f00000000")
  83 T(AF_INET6, "a:b::c:d:e:f", 1, "000a000b00000000000c000d000e000f")
  84 T(AF_INET6, "ffff:c0a8:5e4", 0, "")
  85 T(AF_INET6, ":ffff:c0a8:5e4", 0, "")
  86 T(AF_INET6, "0:0:0:0:0:ffff:c0a8:5e4", 1, "00000000000000000000ffffc0a805e4")
  87 T(AF_INET6, "0:0:0:0:ffff:c0a8:5e4", 0, "")
  88 T(AF_INET6, "0::ffff:c0a8:5e4", 1, "00000000000000000000ffffc0a805e4")
  89 T(AF_INET6, "::0::ffff:c0a8:5e4", 0, "")
  90 T(AF_INET6, "c0a8", 0, "")
  91 return t_status;
  92 }