ipf_dotuning.c revision ab25eeb551a4be927a4b6ae2cf8aff7ed17decb4
/*
* Copyright (C) 1993-2005 by Darren Reed.
* See the IPFILTER.LICENCE file for details on licencing.
*/
#include "ipf.h"
#include "netinet/ipl.h"
#include <sys/ioctl.h>
void ipf_dotuning(fd, tuneargs, iocfn)
int fd;
char *tuneargs;
ioctlfunc_t iocfn;
{
ipfobj_t obj;
ipftune_t tu;
char *s, *t;
bzero((char *)&tu, sizeof(tu));
obj.ipfo_rev = IPFILTER_VERSION;
obj.ipfo_size = sizeof(tu);;
obj.ipfo_ptr = (void *)&tu;
obj.ipfo_type = IPFOBJ_TUNEABLE;
for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) {
if (!strcmp(s, "list")) {
while (1) {
if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) {
perror("ioctl(SIOCIPFGETNEXT)");
break;
}
if (tu.ipft_cookie == NULL)
break;
tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
printtunable(&tu);
}
} else if ((t = strchr(s, '=')) != NULL) {
tu.ipft_cookie = NULL;
*t++ = '\0';
strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
perror("ioctl(SIOCIPFSET)");
return;
}
} else {
fprintf(stderr, "invalid value '%s'\n", s);
return;
}
} else {
tu.ipft_cookie = NULL;
strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
perror("ioctl(SIOCIPFGET)");
return;
}
if (tu.ipft_cookie == NULL) {
fprintf(stderr, "Null cookie for %s\n", s);
return;
}
tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
printtunable(&tu);
}
}
}