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                         *t++ = '\0';
  37                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  38                         if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
  39                                 if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
  40                                         perror("ioctl(SIOCIPFSET)");
  41                                         return;
  42                                 }
  43                         } else {
  44                                 fprintf(stderr, "invalid value '%s'\n", s);
  45                                 return;
  46                         }
  47                 } else {
  48                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  49                         if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
  50                                 perror("ioctl(SIOCIPFGET)");
  51                                 return;
  52                         }
  53                         if (tu.ipft_cookie == NULL)
  54                                 return;
  55
  56                         tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
  57                         printtunable(&tu);
  58                 }
  59         }
  60 }