-diff -urN ppp.old/pppd/Makefile.linux ppp.dev/pppd/Makefile.linux
---- ppp.old/pppd/Makefile.linux 2006-03-18 15:58:00.000000000 +0100
-+++ ppp.dev/pppd/Makefile.linux 2006-03-18 16:52:01.000000000 +0100
-@@ -50,6 +50,9 @@
- # and that the kernel driver support PPP packet filtering.
- #FILTER=y
-
-+# Support for precompiled filters
-+PRECOMPILED_FILTER=y
-+
- # Uncomment the next line to enable multilink PPP (enabled by default)
- # Linux distributions: Please leave multilink ENABLED in your builds
- # of pppd!
-@@ -177,6 +180,14 @@
- endif
- endif
-
-+ifdef PRECOMPILED_FILTER
-+PPPDSRCS += pcap_pcc.c
-+HEADERS += pcap_pcc.h
-+PPPDOBJS += pcap_pcc.o
-+LIBS += $(STAGING_DIR)/usr/lib/libpcap.a
-+CFLAGS += -DPPP_FILTER -DPPP_PRECOMPILED_FILTER -I$(STAGING_DIR)/usr/include
-+endif
-+
- ifdef HAVE_INET6
- PPPDSRCS += ipv6cp.c eui64.c
- HEADERS += ipv6cp.h eui64.h
-diff -urN ppp.old/pppd/demand.c ppp.dev/pppd/demand.c
---- ppp.old/pppd/demand.c 2006-03-18 15:58:00.000000000 +0100
-+++ ppp.dev/pppd/demand.c 2006-03-18 18:09:16.000000000 +0100
-@@ -438,12 +438,14 @@
- return 0;
- proto = PPP_PROTOCOL(p);
- #ifdef PPP_FILTER
-+ *p = 1; /* set outbound for the filter rule */
- if (pass_filter.bf_len != 0
- && bpf_filter(pass_filter.bf_insns, p, len, len) == 0)
- return 0;
- if (active_filter.bf_len != 0
- && bpf_filter(active_filter.bf_insns, p, len, len) == 0)
- return 0;
-+ *p = 0xff; /* restore original ppp header */
- #endif
- for (i = 0; (protp = protocols[i]) != NULL; ++i) {
- if (protp->protocol < 0xC000 && (protp->protocol & ~0x8000) == proto) {
-diff -urN ppp.old/pppd/options.c ppp.dev/pppd/options.c
---- ppp.old/pppd/options.c 2006-03-18 15:58:00.000000000 +0100
-+++ ppp.dev/pppd/options.c 2006-03-18 18:05:58.000000000 +0100
-@@ -57,14 +57,7 @@
-
- #ifdef PPP_FILTER
- #include <pcap.h>
--/*
-- * DLT_PPP_WITH_DIRECTION is in current libpcap cvs, and should be in
-- * libpcap-0.8.4. Until that is released, use DLT_PPP - but that means
-- * we lose the inbound and outbound qualifiers.
-- */
--#ifndef DLT_PPP_WITH_DIRECTION
--#define DLT_PPP_WITH_DIRECTION DLT_PPP
--#endif
-+#include <pcap-bpf.h>
- #endif
-
- #include "pppd.h"
-@@ -155,6 +148,13 @@
- static int loadplugin __P((char **));
- #endif
-
-+#ifdef PPP_PRECOMPILED_FILTER
-+#include "pcap_pcc.h"
-+static int setprecompiledpassfilter __P((char **));
-+static int setprecompiledactivefilter __P((char **));
-+#undef PPP_FILTER
-+#endif
-+
- #ifdef PPP_FILTER
- static int setpassfilter __P((char **));
- static int setactivefilter __P((char **));
-@@ -312,6 +312,14 @@
- "set filter for active pkts", OPT_PRIO },
- #endif
-
-+#ifdef PPP_PRECOMPILED_FILTER
-+ { "precompiled-pass-filter", 1, setprecompiledpassfilter,
-+ "set precompiled filter for packets to pass", OPT_PRIO },
-+
-+ { "precompiled-active-filter", 1, setprecompiledactivefilter,
-+ "set precompiled filter for active pkts", OPT_PRIO },
-+#endif
-+
- #ifdef MAXOCTETS
- { "maxoctets", o_int, &maxoctets,
- "Set connection traffic limit",
-@@ -1447,6 +1455,29 @@
- return ok;
- }
-
-+#ifdef PPP_PRECOMPILED_FILTER
-+/*
-+ * setprecompiledpassfilter - Set the pass filter for packets using a
-+ * precompiled expression
-+ */
-+static int
-+setprecompiledpassfilter(argv)
-+ char **argv;
-+{
-+ return pcap_pre_compiled (*argv, &pass_filter);
-+}
-+
-+/*
-+ * setactivefilter - Set the active filter for packets
-+ */
-+static int
-+setprecompiledactivefilter(argv)
-+ char **argv;
-+{
-+ return pcap_pre_compiled (*argv, &active_filter);
-+}
-+#endif
-+
- #ifdef PPP_FILTER
- /*
- * setpassfilter - Set the pass filter for packets
-@@ -1458,7 +1489,7 @@
- pcap_t *pc;
- int ret = 0;
-
-- pc = pcap_open_dead(DLT_PPP_WITH_DIRECTION, 65535);
-+ pc = pcap_open_dead(DLT_PPP_PPPD, 65535);
- if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == -1) {
- option_error("error in pass-filter expression: %s\n",
- pcap_geterr(pc));
-@@ -1479,7 +1510,7 @@
- pcap_t *pc;
- int ret = 0;
-
-- pc = pcap_open_dead(DLT_PPP_WITH_DIRECTION, 65535);
-+ pc = pcap_open_dead(DLT_PPP_PPPD, 65535);
- if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == -1) {
- option_error("error in active-filter expression: %s\n",
- pcap_geterr(pc));
-diff -urN ppp.old/pppd/pcap_pcc.c ppp.dev/pppd/pcap_pcc.c
---- ppp.old/pppd/pcap_pcc.c 1970-01-01 01:00:00.000000000 +0100
-+++ ppp.dev/pppd/pcap_pcc.c 2006-03-18 16:51:31.000000000 +0100
-@@ -0,0 +1,74 @@
-+#include <pcap.h>
-+#include <pcap-bpf.h>
-+#include <stdio.h>
-+#include <stdlib.h>
-+#include <string.h>
-+#include <errno.h>
-+#include "pppd.h"
-+
-+int pcap_pre_compiled (char * fname, struct bpf_program *p)
-+{
-+ char buf[128];
-+ int line = 0, size = 0, index=0, ret=1;
-+ FILE *f = fopen (fname, "r");
-+ if (!f)
-+ {
-+ option_error("error opening precompiled active-filter '%s': %s",
-+ fname, strerror (errno));
-+ return 0;
-+ }
-+ while (fgets (buf, 127, f))
-+ {
-+ line++;
-+ if (*buf == '#')
-+ continue;
-+ if (size)
-+ {
-+ /*
-+ struct bpf_insn {
-+ u_short code;
-+ u_char jt;
-+ u_char jf;
-+ bpf_int32 k;
-+ }
-+ */
-+ struct bpf_insn * insn = & p->bf_insns[index];
-+ unsigned code, jt, jf, k;
-+ if (sscanf (buf, "%u %u %u %u", &code, &jt, &jf, &k) != 4)
-+ {
-+ goto err;
-+ }
-+ insn->code = code;
-+ insn->jt = jt;
-+ insn->jf = jf;
-+ insn->k = k;
-+ index++;
-+ }
-+ else
-+ {
-+ if (sscanf (buf, "%u", &size) != 1)
-+ {
-+ goto err;
-+ }
-+ p->bf_len = size;
-+ p->bf_insns = (struct bpf_insn *)
-+ malloc (size * sizeof (struct bpf_insn));
-+ }
-+ }
-+ if (size != index)
-+ {
-+ option_error("error in precompiled active-filter,"
-+ " expected %d expressions, got %dn",
-+ size, index);
-+ ret = 0;
-+ }
-+ fclose(f);
-+ return ret;
-+
-+err:
-+ option_error("error in precompiled active-filter"
-+ " expression line %s:%d (wrong size)\n",
-+ fname, line);
-+ fclose (f);
-+ return 0;
-+}
-diff -urN ppp.old/pppd/pcap_pcc.h ppp.dev/pppd/pcap_pcc.h
---- ppp.old/pppd/pcap_pcc.h 1970-01-01 01:00:00.000000000 +0100
-+++ ppp.dev/pppd/pcap_pcc.h 2006-03-18 15:59:14.000000000 +0100
-@@ -0,0 +1,7 @@
-+#ifndef PCAP_PCC_H
-+#define PCAP_PCC_H
-+
-+#include <pcap.h>
-+
-+int pcap_pre_compiled (char * fname, struct bpf_program *p);
-+#endif /* PCAP_PCC_H */
projects / openwrt / svn-archive / archive.git / blobdiff