posix/tst-rfc3484.c

   1 #include <stdbool.h>
   2 #include <stdio.h>
   3 #include <ifaddrs.h>
   4 #include <stdint.h>
   5
   6 /* Internal definitions used in the libc code.  */
   7 #define __getservbyname_r getservbyname_r
   8 #define __socket socket
   9 #define __getsockname getsockname
  10 #define __inet_aton inet_aton
  11 #define __gethostbyaddr_r gethostbyaddr_r
  12 #define __gethostbyname2_r gethostbyname2_r
  13 #define __qsort_r qsort_r
  14
  15 void
  16 attribute_hidden
  17 __check_pf (bool *p1, bool *p2, struct in6addrinfo **in6ai, size_t *in6ailen)
  18 {
  19   *p1 = *p2 = true;
  20   *in6ai = NULL;
  21   *in6ailen = 0;
  22 }
  23
  24 void
  25 attribute_hidden
  26 __free_in6ai (struct in6addrinfo *ai)
  27 {
  28 }
  29
  30 void
  31 attribute_hidden
  32 __check_native (uint32_t a1_index, int *a1_native,
  33                 uint32_t a2_index, int *a2_native)
  34 {
  35 }
  36
  37 int
  38 attribute_hidden
  39 __idna_to_ascii_lz (const char *input, char **output, int flags)
  40 {
  41   return 0;
  42 }
  43
  44 int
  45 attribute_hidden
  46 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  47 {
  48   *output = NULL;
  49   return 0;
  50 }
  51
  52 void
  53 attribute_hidden
  54 _res_hconf_init (void)
  55 {
  56 }
  57
  58 #undef  USE_NSCD
  59 #include "../sysdeps/posix/getaddrinfo.c"
  60
  61 service_user *__nss_hosts_database attribute_hidden;
  62
  63 /* This is the beginning of the real test code.  The above defines
  64    (among other things) the function rfc3484_sort.  */
  65
  66
  67 #if __BYTE_ORDER == __BIG_ENDIAN
  68 # define h(n) n
  69 #else
  70 # define h(n) __bswap_constant_32 (n)
  71 #endif
  72
  73 struct sockaddr_in addrs[] =
  74 {
  75   { .sin_family = AF_INET, .sin_addr = { h (0x0aa85f19) } },
  76   { .sin_family = AF_INET, .sin_addr = { h (0xac105f19) } },
  77   { .sin_family = AF_INET, .sin_addr = { h (0xc0000219) } },
  78   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  79   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  80   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  81   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  82   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  83   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  84   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  85 };
  86 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  87 static struct addrinfo ais[naddrs];
  88 static struct sort_result results[naddrs];
  89 static size_t order[naddrs];
  90
  91 static int expected[naddrs] =
  92   {
  93     9, 4, 3, 6, 5, 7, 8, 2, 0, 1
  94   };
  95
  96
  97 ssize_t
  98 __getline (char **lineptr, size_t *n, FILE *s)
  99 {
 100   *lineptr = NULL;
 101   *n = 0;
 102   return 0;
 103 }
 104
 105
 106 static int
 107 do_test (void)
 108 {
 109   labels = default_labels;
 110   precedence = default_precedence;
 111   scopes= default_scopes;
 112
 113   struct sockaddr_in so;
 114   so.sin_family = AF_INET;
 115   so.sin_addr.s_addr = h (0xc0a85f19);
 116   /* Clear the rest of the structure to avoid warnings.  */
 117   memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 118
 119   for (int i = 0; i < naddrs; ++i)
 120     {
 121       ais[i].ai_family = AF_INET;
 122       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
 123       results[i].dest_addr = &ais[i];
 124       results[i].got_source_addr = true;
 125       memcpy(&results[i].source_addr, &so, sizeof (so));
 126       results[i].source_addr_len = sizeof (so);
 127       results[i].source_addr_flags = 0;
 128       results[i].prefixlen = 8;
 129       results[i].index = 0;
 130
 131       order[i] = i;
 132     }
 133
 134   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 135   qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
 136
 137   int result = 0;
 138   for (int i = 0; i < naddrs; ++i)
 139     {
 140       struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
 141
 142       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 143                          sizeof (struct in_addr));
 144       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 145       result |= here;
 146     }
 147
 148   return result;
 149 }
 150
 151 #define TEST_FUNCTION do_test ()
 152 #include "../test-skeleton.c"