#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_expect.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
#include <net/netfilter/nf_conntrack_helper.h>
#include <linux/netfilter/nf_conntrack_ftp.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Rusty Russell <rusty@rustcorp.com.au>");
MODULE_DESCRIPTION("ftp connection tracking helper");
+MODULE_ALIAS("ip_conntrack_ftp");
/* This is slow, but it's simple. --RR */
static char *ftp_buffer;
unsigned int (*nf_nat_ftp_hook)(struct sk_buff **pskb,
enum ip_conntrack_info ctinfo,
- enum ip_ct_ftp_type type,
+ enum nf_ct_ftp_type type,
unsigned int matchoff,
unsigned int matchlen,
struct nf_conntrack_expect *exp,
size_t plen;
char skip;
char term;
- enum ip_ct_ftp_type ftptype;
+ enum nf_ct_ftp_type ftptype;
int (*getnum)(const char *, size_t, struct nf_conntrack_man *, char);
} search[IP_CT_DIR_MAX][2] = {
[IP_CT_DIR_ORIGINAL] = {
.plen = sizeof("PORT") - 1,
.skip = ' ',
.term = '\r',
- .ftptype = IP_CT_FTP_PORT,
+ .ftptype = NF_CT_FTP_PORT,
.getnum = try_rfc959,
},
{
.plen = sizeof("EPRT") - 1,
.skip = ' ',
.term = '\r',
- .ftptype = IP_CT_FTP_EPRT,
+ .ftptype = NF_CT_FTP_EPRT,
.getnum = try_eprt,
},
},
.plen = sizeof("227 ") - 1,
.skip = '(',
.term = ')',
- .ftptype = IP_CT_FTP_PASV,
+ .ftptype = NF_CT_FTP_PASV,
.getnum = try_rfc959,
},
{
.plen = sizeof("229 ") - 1,
.skip = '(',
.term = ')',
- .ftptype = IP_CT_FTP_EPSV,
+ .ftptype = NF_CT_FTP_EPSV,
.getnum = try_epsv_response,
},
},
}
static int try_number(const char *data, size_t dlen, u_int32_t array[],
- int array_size, char sep, char term)
+ int array_size, char sep, char term)
{
u_int32_t i, len;
/* Grab port: number up to delimiter */
static int get_port(const char *data, int start, size_t dlen, char delim,
- u_int16_t *port)
+ __be16 *port)
{
u_int16_t tmp_port = 0;
int i;
}
/* Look up to see if we're just after a \n. */
-static int find_nl_seq(u32 seq, const struct ip_ct_ftp_master *info, int dir)
+static int find_nl_seq(u32 seq, const struct nf_ct_ftp_master *info, int dir)
{
unsigned int i;
}
/* We don't update if it's older than what we have. */
-static void update_nl_seq(u32 nl_seq, struct ip_ct_ftp_master *info, int dir,
+static void update_nl_seq(u32 nl_seq, struct nf_ct_ftp_master *info, int dir,
struct sk_buff *skb)
{
unsigned int i, oldest = NUM_SEQ_TO_REMEMBER;
u32 seq;
int dir = CTINFO2DIR(ctinfo);
unsigned int matchlen, matchoff;
- struct ip_ct_ftp_master *ct_ftp_info = &nfct_help(ct)->help.ct_ftp_info;
+ struct nf_ct_ftp_master *ct_ftp_info = &nfct_help(ct)->help.ct_ftp_info;
struct nf_conntrack_expect *exp;
struct nf_conntrack_man cmd = {};
-
unsigned int i;
int found = 0, ends_in_nl;
+ typeof(nf_nat_ftp_hook) nf_nat_ftp;
/* Until there's been traffic both ways, don't look in packets. */
if (ctinfo != IP_CT_ESTABLISHED
goto out_update_nl;
}
- /* Initialize IP/IPv6 addr to expected address (it's not mentioned
- in EPSV responses) */
+ /* Initialize IP/IPv6 addr to expected address (it's not mentioned
+ in EPSV responses) */
cmd.l3num = ct->tuplehash[dir].tuple.src.l3num;
memcpy(cmd.u3.all, &ct->tuplehash[dir].tuple.src.u3.all,
sizeof(cmd.u3.all));
memcmp(&cmd.u3.all, &ct->tuplehash[dir].tuple.src.u3.all,
sizeof(cmd.u3.all))) {
/* Enrico Scholz's passive FTP to partially RNAT'd ftp
- server: it really wants us to connect to a
- different IP address. Simply don't record it for
- NAT. */
+ server: it really wants us to connect to a
+ different IP address. Simply don't record it for
+ NAT. */
if (cmd.l3num == PF_INET) {
- DEBUGP("conntrack_ftp: NOT RECORDING: " NIPQUAD_FMT " != " NIPQUAD_FMT "\n",
+ DEBUGP("conntrack_ftp: NOT RECORDING: " NIPQUAD_FMT " != " NIPQUAD_FMT "\n",
NIPQUAD(cmd.u3.ip),
NIPQUAD(ct->tuplehash[dir].tuple.src.u3.ip));
} else {
.u = { .tcp = { 0 }},
},
.dst = { .protonum = 0xFF,
- .u = { .tcp = { 0xFFFF }},
+ .u = { .tcp = { __constant_htons(0xFFFF) }},
},
};
if (cmd.l3num == PF_INET) {
- exp->mask.src.u3.ip = 0xFFFFFFFF;
- exp->mask.dst.u3.ip = 0xFFFFFFFF;
+ exp->mask.src.u3.ip = htonl(0xFFFFFFFF);
+ exp->mask.dst.u3.ip = htonl(0xFFFFFFFF);
} else {
memset(exp->mask.src.u3.ip6, 0xFF,
sizeof(exp->mask.src.u3.ip6));
}
exp->expectfn = NULL;
+ exp->helper = NULL;
exp->flags = 0;
/* Now, NAT might want to mangle the packet, and register the
* (possibly changed) expectation itself. */
- if (nf_nat_ftp_hook)
- ret = nf_nat_ftp_hook(pskb, ctinfo, search[dir][i].ftptype,
- matchoff, matchlen, exp, &seq);
+ nf_nat_ftp = rcu_dereference(nf_nat_ftp_hook);
+ if (nf_nat_ftp && ct->status & IPS_NAT_MASK)
+ ret = nf_nat_ftp(pskb, ctinfo, search[dir][i].ftptype,
+ matchoff, matchlen, exp, &seq);
else {
/* Can't expect this? Best to drop packet now. */
if (nf_conntrack_expect_related(exp) != 0)
for (j = 0; j < 2; j++) {
ftp[i][j].tuple.src.u.tcp.port = htons(ports[i]);
ftp[i][j].tuple.dst.protonum = IPPROTO_TCP;
- ftp[i][j].mask.src.u.tcp.port = 0xFFFF;
+ ftp[i][j].mask.src.l3num = 0xFFFF;
+ ftp[i][j].mask.src.u.tcp.port = htons(0xFFFF);
ftp[i][j].mask.dst.protonum = 0xFF;
ftp[i][j].max_expected = 1;
ftp[i][j].timeout = 5 * 60; /* 5 Minutes */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff