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