Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / net / netfilter / nf_conntrack_ftp.c

diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 960972d..e38a4b5 100644 (file)
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -15,6 +15,7 @@
  * Derived from net/ipv4/netfilter/ip_conntrack_ftp.c
  */
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/netfilter.h>
@@ -66,48 +67,37 @@ static int try_epsv_response(const char *, size_t, struct nf_conntrack_man *,
                             char);
 
 static struct ftp_search {
+       enum ip_conntrack_dir dir;
        const char *pattern;
        size_t plen;
        char skip;
        char term;
        enum ip_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] = {
-               {
-                       .pattern        = "PORT",
-                       .plen           = sizeof("PORT") - 1,
-                       .skip           = ' ',
-                       .term           = '\r',
-                       .ftptype        = IP_CT_FTP_PORT,
-                       .getnum         = try_rfc959,
-               },
-               {
-                       .pattern        = "EPRT",
-                       .plen           = sizeof("EPRT") - 1,
-                       .skip           = ' ',
-                       .term           = '\r',
-                       .ftptype        = IP_CT_FTP_EPRT,
-                       .getnum         = try_eprt,
-               },
+} search[] = {
+       {
+               IP_CT_DIR_ORIGINAL,
+               "PORT", sizeof("PORT") - 1, ' ', '\r',
+               IP_CT_FTP_PORT,
+               try_rfc959,
        },
-       [IP_CT_DIR_REPLY] = {
-               {
-                       .pattern        = "227 ",
-                       .plen           = sizeof("227 ") - 1,
-                       .skip           = '(',
-                       .term           = ')',
-                       .ftptype        = IP_CT_FTP_PASV,
-                       .getnum         = try_rfc959,
-               },
-               {
-                       .pattern        = "229 ",
-                       .plen           = sizeof("229 ") - 1,
-                       .skip           = '(',
-                       .term           = ')',
-                       .ftptype        = IP_CT_FTP_EPSV,
-                       .getnum         = try_epsv_response,
-               },
+       {
+               IP_CT_DIR_REPLY,
+               "227 ", sizeof("227 ") - 1, '(', ')',
+               IP_CT_FTP_PASV,
+               try_rfc959,
+       },
+       {
+               IP_CT_DIR_ORIGINAL,
+               "EPRT", sizeof("EPRT") - 1, ' ', '\r',
+               IP_CT_FTP_EPRT,
+               try_eprt,
+       },
+       {
+               IP_CT_DIR_REPLY,
+               "229 ", sizeof("229 ") - 1, '(', ')',
+               IP_CT_FTP_EPSV,
+               try_epsv_response,
        },
 };
 
@@ -502,15 +492,17 @@ static int help(struct sk_buff **pskb,
        memcpy(cmd.u3.all, &ct->tuplehash[dir].tuple.src.u3.all,
               sizeof(cmd.u3.all));
 
-       for (i = 0; i < ARRAY_SIZE(search[dir]); i++) {
+       for (i = 0; i < ARRAY_SIZE(search); i++) {
+               if (search[i].dir != dir) continue;
+
                found = find_pattern(fb_ptr, datalen,
-                                    search[dir][i].pattern,
-                                    search[dir][i].plen,
-                                    search[dir][i].skip,
-                                    search[dir][i].term,
+                                    search[i].pattern,
+                                    search[i].plen,
+                                    search[i].skip,
+                                    search[i].term,
                                     &matchoff, &matchlen,
                                     &cmd,
-                                    search[dir][i].getnum);
+                                    search[i].getnum);
                if (found) break;
        }
        if (found == -1) {
@@ -520,7 +512,7 @@ static int help(struct sk_buff **pskb,
                   this case. */
                if (net_ratelimit())
                        printk("conntrack_ftp: partial %s %u+%u\n",
-                              search[dir][i].pattern,
+                              search[i].pattern,
                               ntohl(th->seq), datalen);
                ret = NF_DROP;
                goto out;
@@ -605,7 +597,7 @@ static int help(struct sk_buff **pskb,
        /* 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,
+               ret = nf_nat_ftp_hook(pskb, ctinfo, search[i].ftptype,
                                      matchoff, matchlen, exp, &seq);
        else {
                /* Can't expect this?  Best to drop packet now. */