memcheck/tests/solaris/ioctl.c

   1 /* Tests for ioctl wrappers.
   2    More complicated ones than just trivial ones in scalar_ioctl. */
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <strings.h>
   7 #include <unistd.h>
   8 #include <net/if.h>
   9 #include <sys/socket.h>
  10 #include <sys/sockio.h>
  11
  12 /* sockio */
  13 __attribute__((noinline))
  14 static int test_SIOCGIFCONF(void)
  15 {
  16    int fd = socket(AF_INET, SOCK_DGRAM, 0);
  17    if (fd < 0)
  18       perror("socket");
  19
  20    int n_ifs;
  21    if (ioctl(fd, SIOCGIFNUM, &n_ifs) < 0)
  22       perror("ioctl(SIOCGIFNUM)");
  23
  24    struct ifconf ifc;
  25    ifc.ifc_len = (n_ifs + 1) * sizeof(struct ifreq);
  26    ifc.ifc_buf = malloc((n_ifs + 1) * sizeof(struct ifreq));
  27    if (ifc.ifc_buf == NULL)
  28       perror("malloc");
  29
  30    if (ioctl(fd, SIOCGIFCONF, &ifc) < 0)
  31       perror("ioctl(SIOCGIFCONF)");
  32
  33    /* Check definedness of ifc attributes ... */
  34    int x = 0;
  35    if (ifc.ifc_len != 0) x = -1; else x = -2;
  36    if (ifc.ifc_req != NULL) x = -3; else x = -4;
  37    if (strcmp(ifc.ifc_req[0].ifr_name, "") != 0) x = -5; else x = -6;
  38    /* ... and now one which is not defined. */
  39    if (strcmp(ifc.ifc_req[n_ifs].ifr_name, "") != 0) x = -7; else x = -8;
  40
  41    free(ifc.ifc_buf);
  42    close(fd);
  43    return x;
  44 }
  45
  46 __attribute__((noinline))
  47 static int test_SIOCGLIFCONF(void)
  48 {
  49    int fd = socket(AF_INET, SOCK_DGRAM, 0);
  50    if (fd < 0)
  51       perror("socket");
  52
  53    struct lifnum lifn;
  54    lifn.lifn_family = AF_INET;
  55    lifn.lifn_flags = 0;
  56    if (ioctl(fd, SIOCGLIFNUM, &lifn) < 0)
  57       perror("ioctl(SIOCGLIFNUM)");
  58
  59    struct lifconf lifc;
  60    lifc.lifc_family = AF_INET;
  61    lifc.lifc_flags = 0;
  62    lifc.lifc_len = (lifn.lifn_count + 1) * sizeof(struct lifreq);
  63    lifc.lifc_buf = malloc((lifn.lifn_count + 1) * sizeof(struct lifreq));
  64    if (lifc.lifc_buf == NULL)
  65       perror("malloc");
  66
  67    if (ioctl(fd, SIOCGLIFCONF, &lifc) < 0)
  68       perror("ioctl(SIOCGLIFCONF)");
  69
  70    /* Check definedness of lifc attributes ... */
  71    int x = 0;
  72    if (lifc.lifc_len != 0) x = -1; else x = -2;
  73    if (lifc.lifc_req != NULL) x = -3; else x = -4;
  74    if (strcmp(lifc.lifc_req[0].lifr_name, "") != 0) x = -5; else x = -6;
  75    /* ... and now one which is not defined. */
  76    if (strcmp(lifc.lifc_req[lifn.lifn_count].lifr_name, "") != 0)
  77       x = -7; else x = -8;
  78
  79    free(lifc.lifc_buf);
  80    close(fd);
  81    return x;
  82 }
  83
  84 int main(void)
  85 {
  86    /* sockio */
  87    test_SIOCGIFCONF();
  88    test_SIOCGLIFCONF();
  89
  90    return 0;
  91 }