posix/tst-rfc3484-2.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
  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
  73 ssize_t
  74 __getline (char **lineptr, size_t *n, FILE *s)
  75 {
  76   *lineptr = NULL;
  77   *n = 0;
  78   return 0;
  79 }
  80
  81
  82 static int
  83 do_test (void)
  84 {
  85   labels = default_labels;
  86   precedence = default_precedence;
  87   scopes = default_scopes;
  88
  89   struct sockaddr_in so1;
  90   so1.sin_family = AF_INET;
  91   so1.sin_addr.s_addr = h (0xc0a85f19);
  92   /* Clear the rest of the structure to avoid warnings.  */
  93   memset (so1.sin_zero, '\0', sizeof (so1.sin_zero));
  94
  95   struct sockaddr_in sa1;
  96   sa1.sin_family = AF_INET;
  97   sa1.sin_addr.s_addr = h (0xe0a85f19);
  98
  99   struct addrinfo ai1;
 100   ai1.ai_family = AF_INET;
 101   ai1.ai_addr = (struct sockaddr *) &sa1;
 102
 103   struct sockaddr_in6 so2;
 104   so2.sin6_family = AF_INET6;
 105   so2.sin6_addr.s6_addr32[0] = h (0xfec01234);
 106   so2.sin6_addr.s6_addr32[1] = 1;
 107   so2.sin6_addr.s6_addr32[2] = 1;
 108   so2.sin6_addr.s6_addr32[3] = 1;
 109
 110   struct sockaddr_in6 sa2;
 111   sa2.sin6_family = AF_INET6;
 112   sa2.sin6_addr.s6_addr32[0] = h (0x07d10001);
 113   sa2.sin6_addr.s6_addr32[1] = 1;
 114   sa2.sin6_addr.s6_addr32[2] = 1;
 115   sa2.sin6_addr.s6_addr32[3] = 1;
 116
 117   struct addrinfo ai2;
 118   ai2.ai_family = AF_INET6;
 119   ai2.ai_addr = (struct sockaddr *) &sa2;
 120
 121
 122   struct sort_result results[2];
 123   size_t order[2];
 124
 125   results[0].dest_addr = &ai1;
 126   results[0].got_source_addr = true;
 127   results[0].source_addr_len = sizeof (so1);
 128   results[0].source_addr_flags = 0;
 129   results[0].prefixlen = 16;
 130   results[0].index = 0;
 131   memcpy (&results[0].source_addr, &so1, sizeof (so1));
 132   order[0] = 0;
 133
 134   results[1].dest_addr = &ai2;
 135   results[1].got_source_addr = true;
 136   results[1].source_addr_len = sizeof (so2);
 137   results[1].source_addr_flags = 0;
 138   results[1].prefixlen = 16;
 139   results[1].index = 0;
 140   memcpy (&results[1].source_addr, &so2, sizeof (so2));
 141   order[1] = 1;
 142
 143
 144   struct sort_result_combo combo = { .results = results, .nresults = 2 };
 145   qsort_r (order, 2, sizeof (order[0]), rfc3484_sort, &combo);
 146
 147   int result = 0;
 148   if (results[order[0]].dest_addr->ai_family == AF_INET6)
 149     {
 150       puts ("wrong order in first test");
 151       result |= 1;
 152     }
 153
 154
 155   /* And again, this time with the reverse starting order.  */
 156   results[1].dest_addr = &ai1;
 157   results[1].got_source_addr = true;
 158   results[1].source_addr_len = sizeof (so1);
 159   results[1].source_addr_flags = 0;
 160   results[1].prefixlen = 16;
 161   results[1].index = 0;
 162   memcpy (&results[1].source_addr, &so1, sizeof (so1));
 163   order[1] = 1;
 164
 165   results[0].dest_addr = &ai2;
 166   results[0].got_source_addr = true;
 167   results[0].source_addr_len = sizeof (so2);
 168   results[0].source_addr_flags = 0;
 169   results[0].prefixlen = 16;
 170   results[0].index = 0;
 171   memcpy (&results[0].source_addr, &so2, sizeof (so2));
 172   order[0] = 0;
 173
 174
 175   qsort_r (order, 2, sizeof (order[0]), rfc3484_sort, &combo);
 176
 177   if (results[order[0]].dest_addr->ai_family == AF_INET6)
 178     {
 179       puts ("wrong order in second test");
 180       result |= 1;
 181     }
 182
 183   return result;
 184 }
 185
 186 #define TEST_FUNCTION do_test ()
 187 #include "../test-skeleton.c"