contrib/ipfilter/lib/ipf_dotuning.c

   1 /*      $FreeBSD$       */
   2
   3 #include "ipf.h"
   4 #include "netinet/ipl.h"
   5 #include <sys/ioctl.h>
   6
   7 void ipf_dotuning(fd, tuneargs, iocfn)
   8 int fd;
   9 char *tuneargs;
  10 ioctlfunc_t iocfn;
  11 {
  12         ipfobj_t obj;
  13         ipftune_t tu;
  14         char *s, *t;
  15
  16         bzero((char *)&tu, sizeof(tu));
  17         obj.ipfo_rev = IPFILTER_VERSION;
  18         obj.ipfo_size = sizeof(tu);;
  19         obj.ipfo_ptr = (void *)&tu;
  20         obj.ipfo_type = IPFOBJ_TUNEABLE;
  21
  22         for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) {
  23                 if (!strcmp(s, "list")) {
  24                         while (1) {
  25                                 if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) {
  26                                         perror("ioctl(SIOCIPFGETNEXT)");
  27                                         break;
  28                                 }
  29                                 if (tu.ipft_cookie == NULL)
  30                                         break;
  31
  32                                 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
  33                                 printtunable(&tu);
  34                         }
  35                 } else if ((t = strchr(s, '=')) != NULL) {
  36                         tu.ipft_cookie = NULL;
  37                         *t++ = '\0';
  38                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  39                         if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
  40                                 if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
  41                                         perror("ioctl(SIOCIPFSET)");
  42                                         return;
  43                                 }
  44                         } else {
  45                                 fprintf(stderr, "invalid value '%s'\n", s);
  46                                 return;
  47                         }
  48                 } else {
  49                         tu.ipft_cookie = NULL;
  50                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  51                         if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
  52                                 perror("ioctl(SIOCIPFGET)");
  53                                 return;
  54                         }
  55                         if (tu.ipft_cookie == NULL) {
  56                                 fprintf(stderr, "Null cookie for %s\n", s);
  57                                 return;
  58                         }
  59
  60                         tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
  61                         printtunable(&tu);
  62                 }
  63         }
  64 }