posix/tst-rfc3484.c

   1 #include <stdbool.h>
   2 #include <stdio.h>
   3 #include <ifaddrs.h>
   4
   5 /* Internal definitions used in the libc code.  */
   6 #define __getservbyname_r getservbyname_r
   7 #define __socket socket
   8 #define __getsockname getsockname
   9 #define __inet_aton inet_aton
  10 #define __gethostbyaddr_r gethostbyaddr_r
  11 #define __gethostbyname2_r gethostbyname2_r
  12
  13 void
  14 attribute_hidden
  15 __check_pf (bool *p1, bool *p2, struct in6addrinfo **in6ai, size_t *in6ailen)
  16 {
  17   *p1 = *p2 = true;
  18   *in6ai = NULL;
  19   *in6ailen = 0;
  20 }
  21 void
  22 attribute_hidden
  23 __check_native (uint32_t a1_index, int *a1_native,
  24                 uint32_t a2_index, int *a2_native)
  25 {
  26 }
  27 int
  28 __idna_to_ascii_lz (const char *input, char **output, int flags)
  29 {
  30   return 0;
  31 }
  32 int
  33 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  34 {
  35   *output = NULL;
  36   return 0;
  37 }
  38
  39 #include "../sysdeps/posix/getaddrinfo.c"
  40
  41 service_user *__nss_hosts_database attribute_hidden;
  42
  43
  44 /* This is the beginning of the real test code.  The above defines
  45    (among other things) the function rfc3484_sort.  */
  46
  47
  48 #if __BYTE_ORDER == __BIG_ENDIAN
  49 # define h(n) n
  50 #else
  51 # define h(n) __bswap_constant_32 (n)
  52 #endif
  53
  54 struct sockaddr_in addrs[] =
  55 {
  56   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  57   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  58   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  59   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  60   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  61   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  62   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  63 };
  64 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  65 static struct addrinfo ais[naddrs];
  66 static struct sort_result results[naddrs];
  67
  68 static int expected[naddrs] =
  69   {
  70     6, 1, 0, 3, 2, 4, 5
  71   };
  72
  73
  74 ssize_t
  75 __getline (char **lineptr, size_t *n, FILE *s)
  76 {
  77   *lineptr = NULL;
  78   *n = 0;
  79   return 0;
  80 }
  81
  82
  83 static int
  84 do_test (void)
  85 {
  86   labels = default_labels;
  87   precedence = default_precedence;
  88
  89   struct sockaddr_in so;
  90   so.sin_family = AF_INET;
  91   so.sin_addr.s_addr = h (0xc0a85f19);
  92
  93   for (int i = 0; i < naddrs; ++i)
  94     {
  95       ais[i].ai_family = AF_INET;
  96       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
  97       results[i].dest_addr = &ais[i];
  98       results[i].got_source_addr = true;
  99       memcpy(&results[i].source_addr, &so, sizeof (so));
 100       results[i].source_addr_len = sizeof (so);
 101       results[i].source_addr_flags = 0;
 102       results[i].service_order = i;
 103       results[i].prefixlen = 8;
 104       results[i].index = 0;
 105     }
 106
 107   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 108   qsort_r (results, naddrs, sizeof (results[0]), rfc3484_sort, &combo);
 109
 110   int result = 0;
 111   for (int i = 0; i < naddrs; ++i)
 112     {
 113       struct in_addr addr = ((struct sockaddr_in *) (results[i].dest_addr->ai_addr))->sin_addr;
 114
 115       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 116                          sizeof (struct in_addr));
 117       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 118       result |= here;
 119     }
 120
 121   return result;
 122 }
 123
 124 #define TEST_FUNCTION do_test ()
 125 #include "../test-skeleton.c"