1 2 /* 3 * Copyright (C) 2012 by Darren Reed. 4 * 5 * See the IPFILTER.LICENCE file for details on licencing. 6 * 7 * $Id$ 8 */ 9 10 #include "ipf.h" 11 #include "netinet/ipl.h" 12 #include <sys/ioctl.h> 13 14 void ipf_dotuning(int fd, char *tuneargs, ioctlfunc_t iocfn) 15 { 16 ipfobj_t obj; 17 ipftune_t tu; 18 char *s, *t; 19 20 bzero((char *)&tu, sizeof(tu)); 21 obj.ipfo_rev = IPFILTER_VERSION; 22 obj.ipfo_size = sizeof(tu);; 23 obj.ipfo_ptr = (void *)&tu; 24 obj.ipfo_type = IPFOBJ_TUNEABLE; 25 26 for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) { 27 if (!strcmp(s, "list")) { 28 while (1) { 29 if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) { 30 ipf_perror_fd(fd, iocfn, 31 "ioctl(SIOCIPFGETNEXT)"); 32 break; 33 } 34 if (tu.ipft_cookie == NULL) 35 break; 36 37 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0'; 38 printtunable(&tu); 39 } 40 } else if ((t = strchr(s, '=')) != NULL) { 41 tu.ipft_cookie = NULL; 42 *t++ = '\0'; 43 strncpy(tu.ipft_name, s, sizeof(tu.ipft_name)); 44 if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) { 45 if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) { 46 ipf_perror_fd(fd, iocfn, 47 "ioctl(SIOCIPFSET)"); 48 return; 49 } 50 } else { 51 fprintf(stderr, "invalid value '%s'\n", s); 52 return; 53 } 54 } else { 55 tu.ipft_cookie = NULL; 56 strncpy(tu.ipft_name, s, sizeof(tu.ipft_name)); 57 if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) { 58 ipf_perror_fd(fd, iocfn, "ioctl(SIOCIPFGET)"); 59 return; 60 } 61 if (tu.ipft_cookie == NULL) { 62 fprintf(stderr, "Null cookie for %s\n", s); 63 return; 64 } 65 66 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0'; 67 printtunable(&tu); 68 } 69 } 70 } 71