posix/tst-rfc3484-3.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
  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 (0xa0a86d1d) } },
  77   { .sin_family = AF_INET, .sin_addr = { h (0xa0a85d03) } },
  78   { .sin_family = AF_INET, .sin_addr = { h (0xa0a82c3d) } },
  79   { .sin_family = AF_INET, .sin_addr = { h (0xa0a86002) } },
  80   { .sin_family = AF_INET, .sin_addr = { h (0xa0a802f3) } },
  81   { .sin_family = AF_INET, .sin_addr = { h (0xa0a80810) } },
  82   { .sin_family = AF_INET, .sin_addr = { h (0xa0a85e02) } },
  83   { .sin_family = AF_INET, .sin_addr = { h (0xac162311) } },
  84   { .sin_family = AF_INET, .sin_addr = { h (0x0a324572) } }
  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 const int expected[naddrs] =
  92   {
  93     8, 0, 1, 2, 3, 4, 5, 6, 7
  94   };
  95
  96 static const struct scopeentry new_scopes[] =
  97   {
  98     { { { 169, 254, 0, 0 } }, h (0xffff0000), 2 },
  99     { { { 127, 0, 0, 0 } }, h (0xff000000), 2 },
 100     { { { 10, 0, 0, 0 } }, h (0xff000000), 5 },
 101     { { { 192, 168, 0, 0 } }, h(0xffff0000), 5 },
 102     { { { 0, 0, 0, 0 } }, h (0x00000000), 14 }
 103   };
 104
 105
 106 ssize_t
 107 __getline (char **lineptr, size_t *n, FILE *s)
 108 {
 109   *lineptr = NULL;
 110   *n = 0;
 111   return 0;
 112 }
 113
 114
 115 static int
 116 do_test (void)
 117 {
 118   labels = default_labels;
 119   precedence = default_precedence;
 120   scopes= new_scopes;
 121
 122   struct sockaddr_in so;
 123   so.sin_family = AF_INET;
 124   so.sin_addr.s_addr = h (0x0aa85f19);
 125   /* Clear the rest of the structure to avoid warnings.  */
 126   memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 127
 128   for (int i = 0; i < naddrs; ++i)
 129     {
 130       ais[i].ai_family = AF_INET;
 131       ais[i].ai_addr = (struct sockaddr *) &addrs[i];
 132       results[i].dest_addr = &ais[i];
 133       results[i].got_source_addr = true;
 134       memcpy(&results[i].source_addr, &so, sizeof (so));
 135       results[i].source_addr_len = sizeof (so);
 136       results[i].source_addr_flags = 0;
 137       results[i].prefixlen = 8;
 138       results[i].index = 0;
 139
 140       order[i] = i;
 141     }
 142
 143   struct sort_result_combo combo = { .results = results, .nresults = naddrs };
 144   qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
 145
 146   int result = 0;
 147   for (int i = 0; i < naddrs; ++i)
 148     {
 149       struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
 150
 151       int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
 152                          sizeof (struct in_addr));
 153       printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
 154       result |= here;
 155     }
 156
 157   return result;
 158 }
 159
 160 #define TEST_FUNCTION do_test ()
 161 #include "../test-skeleton.c"