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
  22 void
  23 attribute_hidden
  24 __check_native (uint32_t a1_index, int *a1_native,
  25                 uint32_t a2_index, int *a2_native)
  26 {
  27 }
  28
  29 int
  30 attribute_hidden
  31 __idna_to_ascii_lz (const char *input, char **output, int flags)
  32 {
  33   return 0;
  34 }
  35
  36 int
  37 attribute_hidden
  38 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  39 {
  40   *output = NULL;
  41   return 0;
  42 }
  43
  44 void
  45 attribute_hidden
  46 _res_hconf_init (void)
  47 {
  48 }
  49
  50 #include "../sysdeps/posix/getaddrinfo.c"
  51
  52 service_user *__nss_hosts_database attribute_hidden;
  53
  54
  55 /* This is the beginning of the real test code.  The above defines
  56    (among other things) the function rfc3484_sort.  */
  57
  58
  59 #if __BYTE_ORDER == __BIG_ENDIAN
  60 # define h(n) n
  61 #else
  62 # define h(n) __bswap_constant_32 (n)
  63 #endif
  64
  65 struct sockaddr_in addrs[] =
  66 {
  67   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  68   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  69   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  70   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  71   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  72   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  73   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  74 };
  75 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  76 static struct addrinfo ais[naddrs];
  77 static struct sort_result results[naddrs];
  78 static size_t order[naddrs];
  79
  80 static int expected[naddrs] =
  81   {
  82     6, 1, 0, 3, 2, 4, 5
  83   };
  84
  85
  86 ssize_t
  87 __getline (char **lineptr, size_t *n, FILE *s)
  88 {
  89   *lineptr = NULL;
  90   *n = 0;
  91   return 0;
  92 }
  93
  94
  95 static int
  96 do_test (void)
  97 {
  98   labels = default_labels;
  99   precedence = default_precedence;
 100   scopes= default_scopes;
 101
 102   struct sockaddr_in so;
 103   so.sin_family = AF_INET;
 104   so.sin_addr.s_addr = h (0xc0a85f19);
 105   /* Clear the rest of the structure to avoid warnings.  */
 106   memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 107
 108   for (int i = 0; i < naddrs; ++i)
 109     {
 110       ais[i].ai_family = AF_INET;
 111       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
 112       results[i].dest_addr = &ais[i];
 113       results[i].got_source_addr = true;
 114       memcpy(&results[i].source_addr, &so, sizeof (so));
 115       results[i].source_addr_len = sizeof (so);
 116       results[i].source_addr_flags = 0;
 117       results[i].prefixlen = 8;
 118       results[i].index = 0;
 119
 120       order[i] = i;
 121     }
 122
 123   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 124   qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
 125
 126   int result = 0;
 127   for (int i = 0; i < naddrs; ++i)
 128     {
 129       struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
 130
 131       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 132                          sizeof (struct in_addr));
 133       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 134       result |= here;
 135     }
 136
 137   return result;
 138 }
 139
 140 #define TEST_FUNCTION do_test ()
 141 #include "../test-skeleton.c"