usr/src/cmd/ipf/lib/common/ipf_dotuning.c

   1 /*
   2  * Copyright (C) 1993-2005  by Darren Reed.
   3  * See the IPFILTER.LICENCE file for details on licencing.
   4  */
   5
   6 #include "ipf.h"
   7 #include "netinet/ipl.h"
   8 #include <sys/ioctl.h>
   9
  10 void ipf_dotuning(fd, tuneargs, iocfn)
  11 int fd;
  12 char *tuneargs;
  13 ioctlfunc_t iocfn;
  14 {
  15         ipfobj_t obj;
  16         ipftune_t tu;
  17         char *s, *t;
  18
  19         bzero((char *)&tu, sizeof(tu));
  20         obj.ipfo_rev = IPFILTER_VERSION;
  21         obj.ipfo_size = sizeof(tu);;
  22         obj.ipfo_ptr = (void *)&tu;
  23         obj.ipfo_type = IPFOBJ_TUNEABLE;
  24
  25         for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) {
  26                 if (!strcmp(s, "list")) {
  27                         while (1) {
  28                                 if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) {
  29                                         perror("ioctl(SIOCIPFGETNEXT)");
  30                                         break;
  31                                 }
  32                                 if (tu.ipft_cookie == NULL)
  33                                         break;
  34
  35                                 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
  36                                 printtunable(&tu);
  37                         }
  38                 } else if ((t = strchr(s, '=')) != NULL) {
  39                         tu.ipft_cookie = NULL;
  40                         *t++ = '\0';
  41                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  42                         if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
  43                                 if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
  44                                         perror("ioctl(SIOCIPFSET)");
  45                                         return;
  46                                 }
  47                         } else {
  48                                 fprintf(stderr, "invalid value '%s'\n", s);
  49                                 return;
  50                         }
  51                 } else {
  52                         tu.ipft_cookie = NULL;
  53                         strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
  54                         if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
  55                                 perror("ioctl(SIOCIPFGET)");
  56                                 return;
  57                         }
  58                         if (tu.ipft_cookie == NULL) {
  59                                 fprintf(stderr, "Null cookie for %s\n", s);
  60                                 return;
  61                         }
  62
  63                         tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
  64                         printtunable(&tu);
  65                 }
  66         }
  67 }