int masqmod_main(int argc, const char *argv[])
{
int c;
int command = IP_MASQ_CMD_NONE;
struct ip_masq_ctl mctl;
#define ums mctl.u.user
struct sockaddr_in m_sin, s_sin, d_sin;
int tmp;
int nonames = 0;
memset (&m_sin, 0, sizeof (m_sin));
memset (&d_sin, 0, sizeof (d_sin));
memset (&s_sin, 0, sizeof (s_sin));
memset (&ums, 0, sizeof (ums));
ums.protocol = IPPROTO_NONE;
modname = argv[0];
while ((c = getopt(argc, (char**) argv, "adsgnP:M:D:S:t:h")) != -1)
switch (c) {
case 'a':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_ADD;
break;
case 'd':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_DEL;
break;
case 's':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_SET;
break;
case 'g':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_GET;
break;
case 'n':
nonames++;
break;
case 'P':
if (ums.protocol != IPPROTO_NONE)
exit_error(2, "multiple protocols specified");
switch (*optarg) {
case 't':
ums.protocol = IPPROTO_TCP;
break;
case 'u':
ums.protocol = IPPROTO_UDP;
break;
default:
exit_error(2, "invalid protocol specified");
}
break;
case 'M':
if (m_sin.sin_addr.s_addr||m_sin.sin_port)
exit_error(2, "multiple [M]asq specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &m_sin, nonames);
if (tmp!=2)
exit_error(2, "illegal [M]asq address/port specified");
optind += tmp -1;
break;
case 'S':
if (s_sin.sin_addr.s_addr||s_sin.sin_port)
exit_error(2, "multiple [S]ource specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &s_sin, nonames);
if (tmp != 2)
exit_error(2, "illegal destination specified");
optind += tmp -1;
break;
case 'D':
if (d_sin.sin_addr.s_addr||d_sin.sin_port)
exit_error(2, "multiple [D]estinations specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &d_sin, nonames);
if (tmp != 2)
exit_error(2, "illegal destination specified");
optind += tmp -1;
break;
case 't':
ums.timeout = atoi(optarg) * HZ;
if (ums.timeout <= 0)
exit_error(2, "illegal timeout value specified");
break;
case 'h':
case '?':
default:
exit_display_help();
}
if (optind < argc) {
printf("optind=%d (%s) argc=%d\n", optind, argv[optind-1], argc);
exit_error(2, "unknown arguments found on commandline");
}
if (command == IP_MASQ_CMD_NONE)
exit_display_help();
if (ums.protocol == IPPROTO_NONE) {
exit_error(2,"no protocol specified");
}
ums.mport = m_sin.sin_port;
ums.maddr = m_sin.sin_addr.s_addr;
ums.dport = d_sin.sin_port;
ums.daddr = d_sin.sin_addr.s_addr;
ums.sport = s_sin.sin_port;
ums.saddr = s_sin.sin_addr.s_addr;
switch (command) {
case IP_MASQ_CMD_ADD:
if (0)
exit_error(2, "insufficient options specified");
break;
case IP_MASQ_CMD_DEL:
if ((ums.mport == 0)||(ums.maddr == 0))
exit_error(2, "insufficient options specified");
break;
}
return(do_setsockopt(command, &mctl, sizeof(mctl)));
}
int masqmod_main(int argc, const char *argv[])
{
int c;
int command = IP_MASQ_CMD_NONE;
struct ip_masq_ctl mctl;
#define pfw mctl.u.portfw_user
struct sockaddr_in local_sin;
struct sockaddr_in redir_sin;
int tmp;
int nonames = 0;
memset (&local_sin, 0, sizeof (local_sin));
memset (&redir_sin, 0, sizeof (local_sin));
pfw.protocol = IPPROTO_NONE;
pfw.raddr = 0;
pfw.rport = 0;
pfw.laddr = 0;
pfw.lport = 0;
pfw.pref = IP_PORTFW_DEF_PREF;
modname = argv[0];
while ((c = getopt(argc, (char**) argv, "adflnP:R:L:p:h")) != -1)
switch (c) {
case 'a':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_ADD;
break;
case 'd':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_DEL;
break;
case 'f':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_FLUSH;
break;
case 'l':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_LIST;
break;
case 'n':
nonames++;
break;
case 'P':
if (pfw.protocol != IPPROTO_NONE)
exit_error(2, "multiple protocols specified");
switch (*optarg) {
case 't':
pfw.protocol = IPPROTO_TCP;
break;
case 'u':
pfw.protocol = IPPROTO_UDP;
break;
default:
exit_error(2, "invalid protocol specified");
}
break;
case 'L':
if (local_sin.sin_addr.s_addr||local_sin.sin_port)
exit_error(2, "multiple local address/port specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &local_sin, nonames);
if (tmp!=2)
exit_error(2, "illegal local address/port specified");
optind += tmp -1;
break;
case 'R':
if (redir_sin.sin_addr.s_addr||redir_sin.sin_port)
exit_error(2, "multiple destinations specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &redir_sin, nonames);
if (tmp != 2)
exit_error(2, "illegal destination specified");
optind += tmp -1;
break;
case 'p':
pfw.pref = atoi(optarg);
if (pfw.pref <= 0)
exit_error(2, "illegal preference value specified");
break;
case 'h':
case '?':
default:
exit_display_help();
}
if (optind < argc) {
printf("optind=%d (%s) argc=%d\n", optind, argv[optind-1], argc);
exit_error(2, "unknown arguments found on commandline");
}
pfw.rport = redir_sin.sin_port;
pfw.raddr = redir_sin.sin_addr.s_addr;
pfw.lport = local_sin.sin_port;
pfw.laddr = local_sin.sin_addr.s_addr;
if (command == IP_MASQ_CMD_NONE)
exit_display_help();
else if (command == IP_MASQ_CMD_ADD &&
(pfw.protocol == IPPROTO_NONE || pfw.lport == 0 ))
#if 0
|| pfw.rport == 0 || pfw.raddr == 0))
#endif
exit_error(2, "insufficient options specified");
else if (command == IP_MASQ_CMD_DEL &&
int masqmod_main(int argc, const char *argv[])
{
int c;
int command = IP_MASQ_CMD_NONE;
struct ip_masq_ctl mctl;
#define mfw mctl.u.mfw_user
struct sockaddr_in redir_sin;
int tmp;
int nonames = 0;
memset (&redir_sin, 0, sizeof (redir_sin));
mfw.fwmark = 0;
mfw.raddr = 0;
mfw.rport = 0;
mfw.flags = 0;
mfw.pref = IP_MARKFW_DEF_PREF;
modname = argv[0];
while ((c = getopt(argc, (char**) argv, "AEDFSLnm:r:p:h")) != -1)
switch (c) {
case 'A':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_ADD;
break;
case 'E':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_SET;
break;
case 'D':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_DEL;
break;
case 'F':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_FLUSH;
break;
case 'S':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_SET;
mfw.flags |= IP_MASQ_MFW_SCHED;
break;
case 'L':
if (command != IP_MASQ_CMD_NONE)
exit_error(2, "multiple commands specified");
command = IP_MASQ_CMD_LIST;
break;
case 'n':
nonames++;
break;
case 'm':
mfw.fwmark = atoi(optarg);
break;
case 'r':
if (redir_sin.sin_addr.s_addr||redir_sin.sin_port)
exit_error(2, "multiple destinations specified");
tmp = optind-1;
tmp = parse_addressport(argv+tmp, argc-tmp, &redir_sin, nonames);
if (tmp < 1)
exit_error(2, "illegal destination specified");
optind += tmp -1;
break;
case 'p':
mfw.pref = atoi(optarg);
/*
* pref == 0 marks the entry as un-schedulable
*/
if (mfw.pref < 0)
exit_error(2, "illegal preference value specified");
break;
case 'h':
case '?':
default:
exit_display_help();
}
if (optind < argc) {
printf("optind=%d (%s) argc=%d\n", optind, argv[optind-1], argc);
exit_error(2, "unknown arguments found on commandline");
}
mfw.rport = redir_sin.sin_port;
mfw.raddr = redir_sin.sin_addr.s_addr;
if (command == IP_MASQ_CMD_NONE)
exit_display_help();
else if (command == IP_MASQ_CMD_ADD && (mfw.fwmark == 0 ))
#if 0
|| mfw.rport == 0 || mfw.raddr == 0))
#endif
exit_error(2, "insufficient options specified");
else if (command == IP_MASQ_CMD_DEL &&