From efd3eac055b1504ab362f2cc2874539a63d7f7bc Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 7 Jul 2008 14:41:48 +0000 Subject: Update libpcap to 0.9.8 (#3571) SVN-Revision: 11742 --- package/libpcap/patches/104-no_rej_files.patch | 469 +++++++++++++++++++++++++ 1 file changed, 469 insertions(+) create mode 100644 package/libpcap/patches/104-no_rej_files.patch (limited to 'package/libpcap/patches/104-no_rej_files.patch') 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..0775705faf --- /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 -- cgit v1.2.3