Update libpcap to 0.9.8 (#3571)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11742 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 469 insertions, 0 deletions

diff --git a/package/libpcap/patches/104-no_rej_files.patch b/package/libpcap/patches/104-no_rej_files.patch
new file mode 100644
index 0000000000..d3ae58c0ad
--- /dev/null
+++ b/package/libpcap/patches/104-no_rej_files.patch
@@ -0,0 +1,469 @@
+diff -urN libpcap-0.9.8/gencode.c.rej libpcap-0.9.8.new/gencode.c.rej
+--- libpcap-0.9.8/gencode.c.rej	2007-07-10 21:38:15.000000000 +0200
++++ libpcap-0.9.8.new/gencode.c.rej	1970-01-01 01:00:00.000000000 +0100
+@@ -1,465 +0,0 @@
+-***************
+-*** 24,29 ****
+-      "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.51 2007/06/14 20:54:12 gianluca Exp $ (LBL)";

+-  #endif

+-  

+-  #ifdef HAVE_CONFIG_H

+-  #include "config.h"

+-  #endif

+---- 24,31 ----
+-      "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.51 2007/06/14 20:54:12 gianluca Exp $ (LBL)";

+-  #endif

+-  

+-+ #define ENABLE_WLAN_FILTERING_PATCH
+-+ 
+-  #ifdef HAVE_CONFIG_H

+-  #include "config.h"

+-  #endif

+-***************
+-*** 144,150 ****
+-  	OR_NET,		/* relative to the network-layer header */

+-  	OR_NET_NOSNAP,	/* relative to the network-layer header, with no SNAP header at the link layer */

+-  	OR_TRAN_IPV4,	/* relative to the transport-layer header, with IPv4 network layer */

+-- 	OR_TRAN_IPV6	/* relative to the transport-layer header, with IPv6 network layer */

+-  };

+-  

+-  /*

+---- 146,153 ----
+-  	OR_NET,		/* relative to the network-layer header */

+-  	OR_NET_NOSNAP,	/* relative to the network-layer header, with no SNAP header at the link layer */

+-  	OR_TRAN_IPV4,	/* relative to the transport-layer header, with IPv4 network layer */

+-+ 	OR_TRAN_IPV6,	/* relative to the transport-layer header, with IPv6 network layer */
+-+ 	OR_LINK_AFTER_WIRELESS_HDR /* After the 802.11 variable length header */
+-  };

+-  

+-  /*

+-***************
+-*** 199,204 ****
+-  static struct block *gen_linktype(int);

+-  static struct block *gen_snap(bpf_u_int32, bpf_u_int32, u_int);

+-  static struct block *gen_llc_linktype(int);

+-  static struct block *gen_hostop(bpf_u_int32, bpf_u_int32, int, int, u_int, u_int);

+-  #ifdef INET6

+-  static struct block *gen_hostop6(struct in6_addr *, struct in6_addr *, int, int, u_int, u_int);

+---- 202,208 ----
+-  static struct block *gen_linktype(int);

+-  static struct block *gen_snap(bpf_u_int32, bpf_u_int32, u_int);

+-  static struct block *gen_llc_linktype(int);

+-+ static struct block *gen_802_11_llc_linktype(int);
+-  static struct block *gen_hostop(bpf_u_int32, bpf_u_int32, int, int, u_int, u_int);

+-  #ifdef INET6

+-  static struct block *gen_hostop6(struct in6_addr *, struct in6_addr *, int, int, u_int, u_int);

+-***************
+-*** 242,247 ****
+-  static struct slist *xfer_to_a(struct arth *);

+-  static struct block *gen_mac_multicast(int);

+-  static struct block *gen_len(int, int);

+-  

+-  static struct block *gen_ppi_dlt_check();

+-  static struct block *gen_msg_abbrev(int type);

+---- 246,252 ----
+-  static struct slist *xfer_to_a(struct arth *);

+-  static struct block *gen_mac_multicast(int);

+-  static struct block *gen_len(int, int);

+-+ static struct block *gen_check_802_11_data_frame();
+-  

+-  static struct block *gen_ppi_dlt_check();

+-  static struct block *gen_msg_abbrev(int type);

+-***************
+-*** 1345,1350 ****
+-  	return s;

+-  }

+-  

+-  

+-  /*

+-   * Load a value relative to the beginning of the specified header.

+---- 1350,1487 ----
+-  	return s;

+-  }

+-  

+-+ /*
+-+  * Load a value relative to the beginning of the link-layer header after the 802.11
+-+  * header, i.e. LLC_SNAP.
+-+  * The link-layer header doesn't necessarily begin at the beginning
+-+  * of the packet data; there might be a variable-length prefix containing
+-+  * radio information.
+-+  */
+-+ static struct slist *
+-+ gen_load_ll_after_802_11_rel(offset, size)
+-+ 	u_int offset, size;
+-+ {
+-+ 	struct slist *s, *s_load_fc;
+-+ 	struct slist *sjset_qos;
+-+ 	struct slist *s_load;
+-+ 	struct slist *s_ld_a_2;
+-+ 	struct slist *s_add_a_x;
+-+ 	struct slist *s_a_to_x;
+-+ 	struct slist *sjset_data_frame_1;
+-+ 	struct slist *sjset_data_frame_2;
+-+ 	struct slist *s_load_x_0;	
+-+ 
+-+ 	/*
+-+ 	 * This code is not compatible with the optimizer, as
+-+ 	 * we are generating jmp instructions within a normal
+-+ 	 * slist of instructions
+-+ 	 *
+-+ 	 */
+-+ 	no_optimize = 1;
+-+ 	
+-+ 	s = gen_llprefixlen();
+-+ 
+-+ 	/*
+-+ 	 * If "s" is non-null, it has code to arrange that the X register
+-+ 	 * contains the length of the prefix preceding the link-layer
+-+ 	 * header.
+-+ 	 *
+-+ 	 * Otherwise, the length of the prefix preceding the link-layer
+-+ 	 * header is "off_ll".
+-+ 	 */
+-+ 	if (s != NULL) {
+-+ 		/*
+-+ 		 * There's a variable-length prefix preceding the
+-+ 		 * link-layer header.  "s" points to a list of statements
+-+ 		 * that put the length of that prefix into the X register.
+-+ 		 * do an indirect load, to use the X register as an offset.
+-+ 		 */
+-+ 
+-+ 		/*
+-+ 		 * Load the Frame Control field
+-+ 		 */
+-+ 		s_load_fc = new_stmt(BPF_LD|BPF_IND|BPF_B);
+-+ 		s_load_fc->s.k = 0;
+-+ 	} else {
+-+ 		/*
+-+ 		 * There is no variable-length header preceding the
+-+ 		 * link-layer header; add in off_ll, which, if there's
+-+ 		 * a fixed-length header preceding the link-layer header,
+-+ 		 * is the length of that header.
+-+ 		 */
+-+ 
+-+ 		/*
+-+ 		 * We need to load the Frame control directly, and
+-+ 		 * then load X with a fake 0, i.e. the length of the 
+-+ 		 * non-existing prepended header
+-+ 		 */
+-+ 
+-+ 		/*
+-+ 		 * TODO GV: I'm not sure if 0 is the right constant in this
+-+ 		 * case. If the link layer has a fixed length prepended header,
+-+ 		 * that should be the value that we put here
+-+ 		 */
+-+ 
+-+ 		/* Load 0 into X */
+-+ 		s_load_x_0 = new_stmt(BPF_LDX|BPF_IMM);
+-+ 		s_load_x_0->s.k = 0;
+-+ 
+-+ 		/*
+-+ 		 * TODO GV: I'm not sure if 0 is the right constant in this
+-+ 		 * case. If the link layer has a fixed length prepended header,
+-+ 		 * that should be the value that we put here
+-+ 		 */
+-+ 
+-+ 		/*
+-+ 		 * load the Frame Control with absolute access
+-+ 		 */
+-+ 		s_load_fc = new_stmt(BPF_LD|BPF_ABS|BPF_B);
+-+ 		s_load_fc->s.k = 0;
+-+ 		s = s_load_x_0;
+-+ 	}
+-+ 
+-+ 	/*
+-+ 	 * Generate the common instructions to check if it's a data frame
+-+ 	 * and if so compute the 802.11 header length
+-+ 	 */
+-+ 	sjset_data_frame_1 = new_stmt(JMP(BPF_JSET));	// b3 should be 1
+-+ 	sjset_data_frame_1->s.k = 0x8;
+-+ 		
+-+ 	sjset_data_frame_2 = new_stmt(JMP(BPF_JSET));	// b2 should be 0
+-+ 	sjset_data_frame_2->s.k = 0x04;
+-+ 
+-+ 	sjset_qos = new_stmt(JMP(BPF_JSET));
+-+ 	sjset_qos->s.k = 0x80; //QOS bit
+-+ 		
+-+ 	s_ld_a_2 = new_stmt(BPF_LD|BPF_IMM);
+-+ 	s_ld_a_2->s.k = 2;
+-+ 
+-+ 	s_add_a_x = new_stmt(BPF_ALU|BPF_ADD|BPF_X);
+-+ 	s_a_to_x = new_stmt(BPF_MISC|BPF_TAX);
+-+ 
+-+ 	s_load = new_stmt(BPF_LD|BPF_IND|size);
+-+ 	s_load->s.k = offset;
+-+ 
+-+ 	sjset_data_frame_1->s.jt = sjset_data_frame_2;
+-+ 	sjset_data_frame_1->s.jf = s_load;
+-+ 		
+-+ 	sjset_data_frame_2->s.jt = s_load;
+-+ 	sjset_data_frame_2->s.jf = sjset_qos;
+-+ 		
+-+ 	sjset_qos->s.jt = s_ld_a_2;
+-+ 	sjset_qos->s.jf = s_load;
+-+ 
+-+ 	sappend(s, s_load_fc);
+-+ 	sappend(s_load_fc, sjset_data_frame_1);
+-+ 	sappend(sjset_data_frame_1, sjset_data_frame_2);
+-+ 	sappend(sjset_data_frame_2, sjset_qos);
+-+ 	sappend(sjset_qos, s_ld_a_2);
+-+ 	sappend(s_ld_a_2, s_add_a_x);
+-+ 	sappend(s_add_a_x,s_a_to_x);
+-+ 	sappend(s_a_to_x, s_load);
+-+ 	
+-+ 	return s;
+-+ }
+-  

+-  /*

+-   * Load a value relative to the beginning of the specified header.

+-***************
+-*** 1367,1372 ****
+-  		s = gen_load_llrel(offset, size);

+-  		break;

+-  

+-  	case OR_NET:

+-  		s = gen_load_llrel(off_nl + offset, size);

+-  		break;

+---- 1504,1525 ----
+-  		s = gen_load_llrel(offset, size);

+-  		break;

+-  

+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+ 
+-+ 	case OR_LINK_AFTER_WIRELESS_HDR:
+-+ 		if (linktype != DLT_IEEE802_11_RADIO 
+-+ 			&& linktype != DLT_PPI 
+-+ 			&& linktype != DLT_IEEE802_11 
+-+ 			&& linktype != DLT_PRISM_HEADER
+-+ 			&& linktype != DLT_IEEE802_11_RADIO_AVS)
+-+ 		{
+-+ 			abort();
+-+ 			return NULL;
+-+ 		}
+-+ 		s = gen_load_ll_after_802_11_rel(offset + 24, size);
+-+ 		break;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+ 
+-  	case OR_NET:

+-  		s = gen_load_llrel(off_nl + offset, size);

+-  		break;

+-***************
+-*** 2163,2173 ****
+-  		break;

+-  

+-  	case DLT_PPI:

+-  	case DLT_FDDI:

+-  	case DLT_IEEE802:

+-- 	case DLT_IEEE802_11:

+-  	case DLT_IEEE802_11_RADIO_AVS:

+-- 	case DLT_IEEE802_11_RADIO:

+-  	case DLT_PRISM_HEADER:

+-  	case DLT_ATM_RFC1483:

+-  	case DLT_ATM_CLIP:

+---- 2316,2332 ----
+-  		break;

+-  

+-  	case DLT_PPI:

+-+ 	case DLT_IEEE802_11_RADIO:
+-+ 	case DLT_IEEE802_11:
+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+ 		return gen_802_11_llc_linktype(proto);
+-+ 		/*NOTREACHED*/
+-+ 		break;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+ 
+-  	case DLT_FDDI:

+-  	case DLT_IEEE802:

+-  	case DLT_IEEE802_11_RADIO_AVS:

+-  	case DLT_PRISM_HEADER:

+-  	case DLT_ATM_RFC1483:

+-  	case DLT_ATM_CLIP:

+-***************
+-*** 2711,2716 ****
+-  	}

+-  }

+-  

+-  static struct block *

+-  gen_hostop(addr, mask, dir, proto, src_off, dst_off)

+-  	bpf_u_int32 addr;

+---- 2870,2982 ----
+-  	}

+-  }

+-  

+-+ /*
+-+  * Generate code to match a particular packet type, for link-layer types
+-+  * using 802.2 LLC headers.
+-+  *
+-+  * This is *NOT* used for Ethernet; "gen_ether_linktype()" is used
+-+  * for that - it handles the D/I/X Ethernet vs. 802.3+802.2 issues.
+-+  *
+-+  * "proto" is an Ethernet type value, if > ETHERMTU, or an LLC SAP
+-+  * value, if <= ETHERMTU.  We use that to determine whether to
+-+  * match the DSAP or both DSAP and LSAP or to check the OUI and
+-+  * protocol ID in a SNAP header.
+-+  */
+-+ static struct block *
+-+ gen_802_11_llc_linktype(proto)
+-+ 	int proto;
+-+ {
+-+ 	struct block *b_check_data_frame;
+-+ 	struct block *b_check_linktype;
+-+ 
+-+ 	b_check_data_frame = gen_check_802_11_data_frame();
+-+ 
+-+ 	/*
+-+ 	 * XXX - generate the code that discards non data frames
+-+ 	 */
+-+ 	switch (proto) {
+-+ 
+-+ 	case LLCSAP_IP:
+-+ 	case LLCSAP_ISONS:
+-+ 	case LLCSAP_NETBEUI:
+-+ 		/*
+-+ 		 * XXX - should we check both the DSAP and the
+-+ 		 * SSAP, like this, or should we check just the
+-+ 		 * DSAP, as we do for other types <= ETHERMTU
+-+ 		 * (i.e., other SAP values)?
+-+ 		 */
+-+ 		b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_H, (bpf_u_int32)
+-+ 			     ((proto << 8) | proto));
+-+ 		break;
+-+ 
+-+ 	case LLCSAP_IPX:
+-+ 		/*
+-+ 		 * XXX - are there ever SNAP frames for IPX on
+-+ 		 * non-Ethernet 802.x networks?
+-+ 		 */
+-+ 		b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_B,
+-+ 		    (bpf_int32)LLCSAP_IPX);
+-+ 
+-+ 		break;
+-+ 
+-+ #if 0
+-+ 	case ETHERTYPE_ATALK:
+-+ 		/*
+-+ 		 * 802.2-encapsulated ETHERTYPE_ATALK packets are
+-+ 		 * SNAP packets with an organization code of
+-+ 		 * 0x080007 (Apple, for Appletalk) and a protocol
+-+ 		 * type of ETHERTYPE_ATALK (Appletalk).
+-+ 		 *
+-+ 		 * XXX - check for an organization code of
+-+ 		 * encapsulated Ethernet as well?
+-+ 		 */
+-+ 		return gen_snap(0x080007, ETHERTYPE_ATALK, off_linktype);
+-+ #endif
+-+ 	default:
+-+ 		/*
+-+ 		 * XXX - we don't have to check for IPX 802.3
+-+ 		 * here, but should we check for the IPX Ethertype?
+-+ 		 */
+-+ 		if (proto <= ETHERMTU) {
+-+ 			/*
+-+ 			 * This is an LLC SAP value, so check
+-+ 			 * the DSAP.
+-+ 			 */
+-+ 			b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_B,
+-+ 			    (bpf_int32)proto);
+-+ 		} else {
+-+ 			/*
+-+ 			 * This is an Ethernet type; we assume that it's
+-+ 			 * unlikely that it'll appear in the right place
+-+ 			 * at random, and therefore check only the
+-+ 			 * location that would hold the Ethernet type
+-+ 			 * in a SNAP frame with an organization code of
+-+ 			 * 0x000000 (encapsulated Ethernet).
+-+ 			 *
+-+ 			 * XXX - if we were to check for the SNAP DSAP and
+-+ 			 * LSAP, as per XXX, and were also to check for an
+-+ 			 * organization code of 0x000000 (encapsulated
+-+ 			 * Ethernet), we'd do
+-+ 			 *
+-+ 			 *	return gen_snap(0x000000, proto,
+-+ 			 *	    off_linktype);
+-+ 			 *
+-+ 			 * here; for now, we don't, as per the above.
+-+ 			 * I don't know whether it's worth the extra CPU
+-+ 			 * time to do the right check or not.
+-+ 			 */
+-+ 			b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0+6, BPF_H,
+-+ 			    (bpf_int32)proto);
+-+ 		}
+-+ 	}
+-+ 
+-+ 	gen_and(b_check_data_frame, b_check_linktype);
+-+ 	return b_check_linktype;
+-+ 
+-+ }
+-+ 
+-+ 
+-+ 
+-  static struct block *

+-  gen_hostop(addr, mask, dir, proto, src_off, dst_off)

+-  	bpf_u_int32 addr;

+-***************
+-*** 2925,2930 ****
+-  	register struct block *b0, *b1, *b2;

+-  	register struct slist *s;

+-  

+-  	switch (dir) {

+-  	case Q_SRC:

+-  		/*

+---- 3191,3207 ----
+-  	register struct block *b0, *b1, *b2;

+-  	register struct slist *s;

+-  

+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+ 	/*
+-+ 	 * TODO GV 20070613
+-+ 	 * We need to disable the optimizer because the optimizer is buggy
+-+ 	 * and wipes out some LD instructions generated by the below
+-+ 	 * code to validate the Frame Control bits
+-+ 	 *
+-+ 	 */
+-+ 	no_optimize = 1;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+ 
+-  	switch (dir) {

+-  	case Q_SRC:

+-  		/*

+-***************
+-*** 4713,4718 ****
+-  #endif

+-  }

+-  

+-  

+-  /*

+-   * Generate code that checks whether the packet is a packet for protocol

+---- 4990,5021 ----
+-  #endif

+-  }

+-  

+-+ static struct block *
+-+ gen_check_802_11_data_frame()
+-+ {
+-+ 	struct slist *s;
+-+ 	struct block *b0, *b1;
+-+ 	/*
+-+ 	* Now check for a data frame.
+-+ 	* I.e, check "link[0] & 0x08".
+-+ 	*/
+-+ 	s = gen_load_a(OR_LINK, 0, BPF_B);
+-+ 	b0 = new_block(JMP(BPF_JSET));
+-+ 	b0->s.k = 0x08;
+-+ 	b0->stmts = s;
+-+ 	
+-+ 	s = gen_load_a(OR_LINK, 0, BPF_B);
+-+ 	b1 = new_block(JMP(BPF_JSET));
+-+ 	b1->s.k = 0x04;
+-+ 	b1->stmts = s;
+-+ 	gen_not(b1);
+-+ 	
+-+ 
+-+ 	gen_and(b1, b0);
+-+ 
+-+ 	return b0;
+-+ }
+-+ 
+-  

+-  /*

+-   * Generate code that checks whether the packet is a packet for protocol