pcap: update to version 1.0.0, add extension for changing the desired protocol for the internal raw socket (useful for reducing the cpu overhead of capture)

SVN-Revision: 15398

1 files changed, 59 insertions, 43 deletions

diff --git a/package/libpcap/patches/105-space_optimization.patch b/package/libpcap/patches/105-space_optimization.patch
index 17265cd..29c293b 100644
--- a/package/libpcap/patches/105-space_optimization.patch
+++ b/package/libpcap/patches/105-space_optimization.patch
@@ -1,6 +1,6 @@
 --- a/gencode.c
 +++ b/gencode.c
-@@ -429,20 +429,6 @@ pcap_compile_nopcap(int snaplen_arg, int
+@@ -439,20 +439,6 @@ pcap_compile_nopcap(int snaplen_arg, int
  }
  
  /*
@@ -21,48 +21,9 @@
   * Backpatch the blocks in 'list' to 'target'.  The 'sense' field indicates
   * which of the jt and jf fields has been resolved and which is a pointer
   * back to another unresolved block (or nil).  At least one of the fields
---- a/optimize.c
-+++ b/optimize.c
-@@ -2263,36 +2263,6 @@ icode_to_fcode(root, lenp)
- 	return fp;
- }
- 
--/*
-- * Make a copy of a BPF program and put it in the "fcode" member of
-- * a "pcap_t".
-- *
-- * If we fail to allocate memory for the copy, fill in the "errbuf"
-- * member of the "pcap_t" with an error message, and return -1;
-- * otherwise, return 0.
-- */
--int
--install_bpf_program(pcap_t *p, struct bpf_program *fp)
--{
--	size_t prog_size;
--
--	/*
--	 * Free up any already installed program.
--	 */
--	pcap_freecode(&p->fcode);
--
--	prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
--	p->fcode.bf_len = fp->bf_len;
--	p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
--	if (p->fcode.bf_insns == NULL) {
--		snprintf(p->errbuf, sizeof(p->errbuf),
--			 "malloc: %s", pcap_strerror(errno));
--		return (-1);
--	}
--	memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
--	return (0);
--}
--
- #ifdef BDEBUG
- static void
- opt_dump(root)
 --- a/pcap.c
 +++ b/pcap.c
-@@ -463,6 +463,52 @@ static const u_char charmap[] = {
+@@ -698,6 +698,59 @@ static const u_char charmap[] = {
  	(u_char)'\374', (u_char)'\375', (u_char)'\376', (u_char)'\377',
  };
  
@@ -80,7 +41,6 @@
 +	}
 +}
 +
-+
 +/*
 + * Make a copy of a BPF program and put it in the "fcode" member of
 + * a "pcap_t".
@@ -95,6 +55,15 @@
 +	size_t prog_size;
 +
 +	/*
++	 * Validate the program.
++	 */
++	if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
++		snprintf(p->errbuf, sizeof(p->errbuf),
++			"BPF program is not valid");
++		return (-1);
++	}
++
++	/*
 +	 * Free up any already installed program.
 +	 */
 +	pcap_freecode(&p->fcode);
@@ -111,7 +80,54 @@
 +	return (0);
 +}
 +
-+
  int
  pcap_strcasecmp(const char *s1, const char *s2)
  {
+--- a/optimize.c
++++ b/optimize.c
+@@ -2278,45 +2278,6 @@ icode_to_fcode(root, lenp)
+ 	return fp;
+ }
+ 
+-/*
+- * Make a copy of a BPF program and put it in the "fcode" member of
+- * a "pcap_t".
+- *
+- * If we fail to allocate memory for the copy, fill in the "errbuf"
+- * member of the "pcap_t" with an error message, and return -1;
+- * otherwise, return 0.
+- */
+-int
+-install_bpf_program(pcap_t *p, struct bpf_program *fp)
+-{
+-	size_t prog_size;
+-
+-	/*
+-	 * Validate the program.
+-	 */
+-	if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
+-		snprintf(p->errbuf, sizeof(p->errbuf),
+-			"BPF program is not valid");
+-		return (-1);
+-	}
+-
+-	/*
+-	 * Free up any already installed program.
+-	 */
+-	pcap_freecode(&p->fcode);
+-
+-	prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
+-	p->fcode.bf_len = fp->bf_len;
+-	p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
+-	if (p->fcode.bf_insns == NULL) {
+-		snprintf(p->errbuf, sizeof(p->errbuf),
+-			 "malloc: %s", pcap_strerror(errno));
+-		return (-1);
+-	}
+-	memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
+-	return (0);
+-}
+-
+ #ifdef BDEBUG
+ static void
+ opt_dump(root)