From 95c5443b843c7875794c17aeba33213b71ba4dbb Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 26 Jun 2010 20:42:18 +0000 Subject: remove generic linux 2.4 support SVN-Revision: 21948 --- .../patches/618-netfilter_multiport_backport.patch | 229 --------------------- 1 file changed, 229 deletions(-) delete mode 100644 target/linux/generic-2.4/patches/618-netfilter_multiport_backport.patch (limited to 'target/linux/generic-2.4/patches/618-netfilter_multiport_backport.patch') diff --git a/target/linux/generic-2.4/patches/618-netfilter_multiport_backport.patch b/target/linux/generic-2.4/patches/618-netfilter_multiport_backport.patch deleted file mode 100644 index cc1d898102..0000000000 --- a/target/linux/generic-2.4/patches/618-netfilter_multiport_backport.patch +++ /dev/null @@ -1,229 +0,0 @@ ---- a/include/linux/netfilter_ipv4/ipt_multiport.h -+++ b/include/linux/netfilter_ipv4/ipt_multiport.h -@@ -11,11 +11,12 @@ enum ipt_multiport_flags - - #define IPT_MULTI_PORTS 15 - --/* Must fit inside union ipt_matchinfo: 16 bytes */ --struct ipt_multiport -+struct ipt_multiport_v1 - { - u_int8_t flags; /* Type of comparison */ - u_int8_t count; /* Number of ports */ - u_int16_t ports[IPT_MULTI_PORTS]; /* Ports */ -+ u_int8_t pflags[IPT_MULTI_PORTS]; /* Port flags */ -+ u_int8_t invert; /* Invert flag */ - }; - #endif /*_IPT_MULTIPORT_H*/ ---- a/net/ipv4/netfilter/ipt_multiport.c -+++ b/net/ipv4/netfilter/ipt_multiport.c -@@ -1,5 +1,14 @@ - /* Kernel module to match one of a list of TCP/UDP ports: ports are in - the same place so we can treat them as equal. */ -+ -+/* (C) 1999-2001 Paul `Rusty' Russell -+ * (C) 2002-2004 Netfilter Core Team -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ - #include - #include - #include -@@ -8,97 +17,136 @@ - #include - #include - -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Netfilter Core Team "); -+MODULE_DESCRIPTION("iptables multiple port match module"); -+ - #if 0 - #define duprintf(format, args...) printk(format , ## args) - #else - #define duprintf(format, args...) - #endif - -+/* from linux 2.6 skbuff.h */ -+static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, -+ int len, void *buffer) -+{ -+ int hlen = skb_headlen(skb); -+ -+ if (hlen - offset >= len) -+ return skb->data + offset; -+ -+ if (skb_copy_bits(skb, offset, buffer, len) < 0) -+ return NULL; -+ -+ return buffer; -+} -+ -+ - /* Returns 1 if the port is matched by the test, 0 otherwise. */ - static inline int --ports_match(const u_int16_t *portlist, enum ipt_multiport_flags flags, -- u_int8_t count, u_int16_t src, u_int16_t dst) -+ports_match_v1(const struct ipt_multiport_v1 *minfo, -+ u_int16_t src, u_int16_t dst) - { - unsigned int i; -- for (i=0; icount; i++) { -+ s = minfo->ports[i]; -+ -+ if (minfo->pflags[i]) { -+ /* range port matching */ -+ e = minfo->ports[++i]; -+ duprintf("src or dst matches with %d-%d?\n", s, e); -+ -+ if (minfo->flags == IPT_MULTIPORT_SOURCE -+ && src >= s && src <= e) -+ return 1 ^ minfo->invert; -+ if (minfo->flags == IPT_MULTIPORT_DESTINATION -+ && dst >= s && dst <= e) -+ return 1 ^ minfo->invert; -+ if (minfo->flags == IPT_MULTIPORT_EITHER -+ && ((dst >= s && dst <= e) -+ || (src >= s && src <= e))) -+ return 1 ^ minfo->invert; -+ } else { -+ /* exact port matching */ -+ duprintf("src or dst matches with %d?\n", s); -+ -+ if (minfo->flags == IPT_MULTIPORT_SOURCE -+ && src == s) -+ return 1 ^ minfo->invert; -+ if (minfo->flags == IPT_MULTIPORT_DESTINATION -+ && dst == s) -+ return 1 ^ minfo->invert; -+ if (minfo->flags == IPT_MULTIPORT_EITHER -+ && (src == s || dst == s)) -+ return 1 ^ minfo->invert; -+ } -+ } -+ -+ return minfo->invert; - } - - static int --match(const struct sk_buff *skb, -- const struct net_device *in, -- const struct net_device *out, -- const void *matchinfo, -- int offset, -- const void *hdr, -- u_int16_t datalen, -- int *hotdrop) -+match_v1(const struct sk_buff *skb, -+ const struct net_device *in, -+ const struct net_device *out, -+ const void *matchinfo, -+ int offset, -+ int *hotdrop) - { -- const struct udphdr *udp = hdr; -- const struct ipt_multiport *multiinfo = matchinfo; -+ u16 _ports[2], *pptr; -+ const struct ipt_multiport_v1 *multiinfo = matchinfo; -+ -+ if (offset) -+ return 0; - -- /* Must be big enough to read ports. */ -- if (offset == 0 && datalen < sizeof(struct udphdr)) { -+ pptr = skb_header_pointer(skb, skb->nh.iph->ihl * 4, -+ sizeof(_ports), _ports); -+ if (pptr == NULL) { - /* We've been asked to examine this packet, and we -- can't. Hence, no choice but to drop. */ -- duprintf("ipt_multiport:" -- " Dropping evil offset=0 tinygram.\n"); -- *hotdrop = 1; -- return 0; -+ * can't. Hence, no choice but to drop. -+ */ -+ duprintf("ipt_multiport:" -+ " Dropping evil offset=0 tinygram.\n"); -+ *hotdrop = 1; -+ return 0; - } - -- /* Must not be a fragment. */ -- return !offset -- && ports_match(multiinfo->ports, -- multiinfo->flags, multiinfo->count, -- ntohs(udp->source), ntohs(udp->dest)); -+ return ports_match_v1(multiinfo, ntohs(pptr[0]), ntohs(pptr[1])); - } - --/* Called when user tries to insert an entry of this type. */ - static int --checkentry(const char *tablename, -- const struct ipt_ip *ip, -- void *matchinfo, -- unsigned int matchsize, -- unsigned int hook_mask) -+checkentry_v1(const char *tablename, -+ const struct ipt_ip *ip, -+ void *matchinfo, -+ unsigned int matchsize, -+ unsigned int hook_mask) - { -- const struct ipt_multiport *multiinfo = matchinfo; -- -- if (matchsize != IPT_ALIGN(sizeof(struct ipt_multiport))) -- return 0; -- -- /* Must specify proto == TCP/UDP, no unknown flags or bad count */ -- return (ip->proto == IPPROTO_TCP || ip->proto == IPPROTO_UDP) -- && !(ip->invflags & IPT_INV_PROTO) -- && matchsize == IPT_ALIGN(sizeof(struct ipt_multiport)) -- && (multiinfo->flags == IPT_MULTIPORT_SOURCE -- || multiinfo->flags == IPT_MULTIPORT_DESTINATION -- || multiinfo->flags == IPT_MULTIPORT_EITHER) -- && multiinfo->count <= IPT_MULTI_PORTS; -+ return (matchsize == IPT_ALIGN(sizeof(struct ipt_multiport_v1))); - } - --static struct ipt_match multiport_match --= { { NULL, NULL }, "multiport", &match, &checkentry, NULL, THIS_MODULE }; -+static struct ipt_match multiport_match_v1 = { -+ .name = "multiport", -+ .match = &match_v1, -+ .checkentry = &checkentry_v1, -+ .me = THIS_MODULE, -+}; - - static int __init init(void) - { -- return ipt_register_match(&multiport_match); -+ int err; -+ -+ err = ipt_register_match(&multiport_match_v1); -+ -+ return err; - } - - static void __exit fini(void) - { -- ipt_unregister_match(&multiport_match); -+ ipt_unregister_match(&multiport_match_v1); - } - - module_init(init); - module_exit(fini); --MODULE_LICENSE("GPL"); -- cgit v1.2.3