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 __free_in6ai (struct in6addrinfo *ai)
  25 {
  26 }
  27
  28 void
  29 attribute_hidden
  30 __check_native (uint32_t a1_index, int *a1_native,
  31                 uint32_t a2_index, int *a2_native)
  32 {
  33 }
  34
  35 int
  36 attribute_hidden
  37 __idna_to_ascii_lz (const char *input, char **output, int flags)
  38 {
  39   return 0;
  40 }
  41
  42 int
  43 attribute_hidden
  44 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  45 {
  46   *output = NULL;
  47   return 0;
  48 }
  49
  50 void
  51 attribute_hidden
  52 _res_hconf_init (void)
  53 {
  54 }
  55
  56 #include "../sysdeps/posix/getaddrinfo.c"
  57
  58 service_user *__nss_hosts_database attribute_hidden;
  59
  60
  61 /* This is the beginning of the real test code.  The above defines
  62    (among other things) the function rfc3484_sort.  */
  63
  64
  65 #if __BYTE_ORDER == __BIG_ENDIAN
  66 # define h(n) n
  67 #else
  68 # define h(n) __bswap_constant_32 (n)
  69 #endif
  70
  71 struct sockaddr_in addrs[] =
  72 {
  73   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  74   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  75   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  76   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  77   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  78   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  79   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  80 };
  81 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  82 static struct addrinfo ais[naddrs];
  83 static struct sort_result results[naddrs];
  84 static size_t order[naddrs];
  85
  86 static int expected[naddrs] =
  87   {
  88     6, 1, 0, 3, 2, 4, 5
  89   };
  90
  91
  92 ssize_t
  93 __getline (char **lineptr, size_t *n, FILE *s)
  94 {
  95   *lineptr = NULL;
  96   *n = 0;
  97   return 0;
  98 }
  99
 100
 101 static int
 102 do_test (void)
 103 {
 104   labels = default_labels;
 105   precedence = default_precedence;
 106   scopes= default_scopes;
 107
 108   struct sockaddr_in so;
 109   so.sin_family = AF_INET;
 110   so.sin_addr.s_addr = h (0xc0a85f19);
 111   /* Clear the rest of the structure to avoid warnings.  */
 112   memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 113
 114   for (int i = 0; i < naddrs; ++i)
 115     {
 116       ais[i].ai_family = AF_INET;
 117       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
 118       results[i].dest_addr = &ais[i];
 119       results[i].got_source_addr = true;
 120       memcpy(&results[i].source_addr, &so, sizeof (so));
 121       results[i].source_addr_len = sizeof (so);
 122       results[i].source_addr_flags = 0;
 123       results[i].prefixlen = 8;
 124       results[i].index = 0;
 125
 126       order[i] = i;
 127     }
 128
 129   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 130   qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
 131
 132   int result = 0;
 133   for (int i = 0; i < naddrs; ++i)
 134     {
 135       struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
 136
 137       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 138                          sizeof (struct in_addr));
 139       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 140       result |= here;
 141     }
 142
 143   return result;
 144 }
 145
 146 #define TEST_FUNCTION do_test ()
 147 #include "../test-skeleton.c"