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 #define __stat64 stat64
  15
  16 void
  17 attribute_hidden
  18 __check_pf (bool *p1, bool *p2, struct in6addrinfo **in6ai, size_t *in6ailen)
  19 {
  20   *p1 = *p2 = true;
  21   *in6ai = NULL;
  22   *in6ailen = 0;
  23 }
  24
  25 void
  26 attribute_hidden
  27 __free_in6ai (struct in6addrinfo *ai)
  28 {
  29 }
  30
  31 void
  32 attribute_hidden
  33 __check_native (uint32_t a1_index, int *a1_native,
  34                 uint32_t a2_index, int *a2_native)
  35 {
  36 }
  37
  38 int
  39 attribute_hidden
  40 __idna_to_ascii_lz (const char *input, char **output, int flags)
  41 {
  42   return 0;
  43 }
  44
  45 int
  46 attribute_hidden
  47 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
  48 {
  49   *output = NULL;
  50   return 0;
  51 }
  52
  53 void
  54 attribute_hidden
  55 _res_hconf_init (void)
  56 {
  57 }
  58
  59 #undef  USE_NSCD
  60 #include "../sysdeps/posix/getaddrinfo.c"
  61
  62 nss_action_list __nss_hosts_database attribute_hidden;
  63
  64 /* This is the beginning of the real test code.  The above defines
  65    (among other things) the function rfc3484_sort.  */
  66
  67
  68 #if __BYTE_ORDER == __BIG_ENDIAN
  69 # define h(n) n
  70 #else
  71 # define h(n) __bswap_constant_32 (n)
  72 #endif
  73
  74 struct sockaddr_in addrs[] =
  75 {
  76   { .sin_family = AF_INET, .sin_addr = { h (0x0aa85f19) } },
  77   { .sin_family = AF_INET, .sin_addr = { h (0xac105f19) } },
  78   { .sin_family = AF_INET, .sin_addr = { h (0xc0000219) } },
  79   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
  80   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
  81   { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
  82   { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
  83   { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
  84   { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
  85   { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
  86 };
  87 #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
  88 static struct addrinfo ais[naddrs];
  89 static struct sort_result results[naddrs];
  90 static size_t order[naddrs];
  91
  92 static int expected[naddrs] =
  93   {
  94     9, 4, 3, 6, 5, 7, 8, 2, 0, 1
  95   };
  96
  97
  98 ssize_t
  99 __getline (char **lineptr, size_t *n, FILE *s)
 100 {
 101   *lineptr = NULL;
 102   *n = 0;
 103   return 0;
 104 }
 105
 106
 107 static int
 108 do_test (void)
 109 {
 110   labels = default_labels;
 111   precedence = default_precedence;
 112   scopes= default_scopes;
 113
 114   struct sockaddr_in so;
 115   so.sin_family = AF_INET;
 116   so.sin_addr.s_addr = h (0xc0a85f19);
 117   /* Clear the rest of the structure to avoid warnings.  */
 118   memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 119
 120   for (int i = 0; i < naddrs; ++i)
 121     {
 122       ais[i].ai_family = AF_INET;
 123       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
 124       results[i].dest_addr = &ais[i];
 125       results[i].got_source_addr = true;
 126       memcpy(&results[i].source_addr, &so, sizeof (so));
 127       results[i].source_addr_len = sizeof (so);
 128       results[i].source_addr_flags = 0;
 129       results[i].prefixlen = 8;
 130       results[i].index = 0;
 131
 132       order[i] = i;
 133     }
 134
 135   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 136   qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
 137
 138   int result = 0;
 139   for (int i = 0; i < naddrs; ++i)
 140     {
 141       struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
 142
 143       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 144                          sizeof (struct in_addr));
 145       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 146       result |= here;
 147     }
 148
 149   return result;
 150 }
 151
 152 #define TEST_FUNCTION do_test ()
 153 #include "../test-skeleton.c"