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|
--- a/gencode.c
+++ b/gencode.c
@@ -543,20 +543,6 @@ pcap_compile_nopcap(int snaplen_arg, int
}
/*
- * Clean up a "struct bpf_program" by freeing all the memory allocated
- * in it.
- */
-void
-pcap_freecode(struct bpf_program *program)
-{
- program->bf_len = 0;
- if (program->bf_insns != NULL) {
- free((char *)program->bf_insns);
- program->bf_insns = NULL;
- }
-}
-
-/*
* 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/pcap.c
+++ b/pcap.c
@@ -1087,6 +1087,59 @@ static const u_char charmap[] = {
(u_char)'\374', (u_char)'\375', (u_char)'\376', (u_char)'\377',
};
+/*
+ * Clean up a "struct bpf_program" by freeing all the memory allocated
+ * in it.
+ */
+void
+pcap_freecode(struct bpf_program *program)
+{
+ program->bf_len = 0;
+ if (program->bf_insns != NULL) {
+ free((char *)program->bf_insns);
+ program->bf_insns = NULL;
+ }
+}
+
+/*
+ * 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);
+}
+
int
pcap_strcasecmp(const char *s1, const char *s2)
{
--- a/optimize.c
+++ b/optimize.c
@@ -2203,45 +2203,6 @@ icode_to_fcode(struct block *root, u_int
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
dot_dump_node(struct block *block, struct bpf_program *prog, FILE *out)
--- a/pcap-common.c
+++ b/pcap-common.c
@@ -1372,14 +1372,23 @@ swap_pseudo_headers(int linktype, struct
switch (linktype) {
case DLT_USB_LINUX:
+#ifndef PCAP_SUPPORT_USB
+ return;
+#endif
swap_linux_usb_header(hdr, data, 0);
break;
case DLT_USB_LINUX_MMAPPED:
+#ifndef PCAP_SUPPORT_USB
+ return;
+#endif
swap_linux_usb_header(hdr, data, 1);
break;
case DLT_NFLOG:
+#ifndef PCAP_SUPPORT_NETFILTER
+ return;
+#endif
swap_nflog_header(hdr, data);
break;
}
|
