(root)/
glibc-2.38/
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  #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  
      75  ssize_t
      76  __getline (char **lineptr, size_t *n, FILE *s)
      77  {
      78    *lineptr = NULL;
      79    *n = 0;
      80    return 0;
      81  }
      82  
      83  
      84  static int
      85  do_test (void)
      86  {
      87    labels = default_labels;
      88    precedence = default_precedence;
      89    scopes = default_scopes;
      90  
      91    struct sockaddr_in so1;
      92    so1.sin_family = AF_INET;
      93    so1.sin_addr.s_addr = h (0xc0a85f19);
      94    /* Clear the rest of the structure to avoid warnings.  */
      95    memset (so1.sin_zero, '\0', sizeof (so1.sin_zero));
      96  
      97    struct sockaddr_in sa1;
      98    sa1.sin_family = AF_INET;
      99    sa1.sin_addr.s_addr = h (0xe0a85f19);
     100  
     101    struct addrinfo ai1;
     102    ai1.ai_family = AF_INET;
     103    ai1.ai_addr = (struct sockaddr *) &sa1;
     104  
     105    struct sockaddr_in6 so2;
     106    so2.sin6_family = AF_INET6;
     107    so2.sin6_addr.s6_addr32[0] = h (0xfec01234);
     108    so2.sin6_addr.s6_addr32[1] = 1;
     109    so2.sin6_addr.s6_addr32[2] = 1;
     110    so2.sin6_addr.s6_addr32[3] = 1;
     111  
     112    struct sockaddr_in6 sa2;
     113    sa2.sin6_family = AF_INET6;
     114    sa2.sin6_addr.s6_addr32[0] = h (0x07d10001);
     115    sa2.sin6_addr.s6_addr32[1] = 1;
     116    sa2.sin6_addr.s6_addr32[2] = 1;
     117    sa2.sin6_addr.s6_addr32[3] = 1;
     118  
     119    struct addrinfo ai2;
     120    ai2.ai_family = AF_INET6;
     121    ai2.ai_addr = (struct sockaddr *) &sa2;
     122  
     123  
     124    struct sort_result results[2];
     125    size_t order[2];
     126  
     127    results[0].dest_addr = &ai1;
     128    results[0].got_source_addr = true;
     129    results[0].source_addr_len = sizeof (so1);
     130    results[0].source_addr_flags = 0;
     131    results[0].prefixlen = 16;
     132    results[0].index = 0;
     133    memcpy (&results[0].source_addr, &so1, sizeof (so1));
     134    order[0] = 0;
     135  
     136    results[1].dest_addr = &ai2;
     137    results[1].got_source_addr = true;
     138    results[1].source_addr_len = sizeof (so2);
     139    results[1].source_addr_flags = 0;
     140    results[1].prefixlen = 16;
     141    results[1].index = 0;
     142    memcpy (&results[1].source_addr, &so2, sizeof (so2));
     143    order[1] = 1;
     144  
     145  
     146    struct sort_result_combo combo = { .results = results, .nresults = 2 };
     147    qsort_r (order, 2, sizeof (order[0]), rfc3484_sort, &combo);
     148  
     149    int result = 0;
     150    if (results[order[0]].dest_addr->ai_family == AF_INET6)
     151      {
     152        puts ("wrong order in first test");
     153        result |= 1;
     154      }
     155  
     156  
     157    /* And again, this time with the reverse starting order.  */
     158    results[1].dest_addr = &ai1;
     159    results[1].got_source_addr = true;
     160    results[1].source_addr_len = sizeof (so1);
     161    results[1].source_addr_flags = 0;
     162    results[1].prefixlen = 16;
     163    results[1].index = 0;
     164    memcpy (&results[1].source_addr, &so1, sizeof (so1));
     165    order[1] = 1;
     166  
     167    results[0].dest_addr = &ai2;
     168    results[0].got_source_addr = true;
     169    results[0].source_addr_len = sizeof (so2);
     170    results[0].source_addr_flags = 0;
     171    results[0].prefixlen = 16;
     172    results[0].index = 0;
     173    memcpy (&results[0].source_addr, &so2, sizeof (so2));
     174    order[0] = 0;
     175  
     176  
     177    qsort_r (order, 2, sizeof (order[0]), rfc3484_sort, &combo);
     178  
     179    if (results[order[0]].dest_addr->ai_family == AF_INET6)
     180      {
     181        puts ("wrong order in second test");
     182        result |= 1;
     183      }
     184  
     185    return result;
     186  }
     187  
     188  #define TEST_FUNCTION do_test ()
     189  #include "../test-skeleton.c"