mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
160 lines
3.6 KiB
Diff
160 lines
3.6 KiB
Diff
--- a/gencode.c
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+++ b/gencode.c
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@@ -543,20 +543,6 @@ pcap_compile_nopcap(int snaplen_arg, int
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}
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/*
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- * Clean up a "struct bpf_program" by freeing all the memory allocated
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- * in it.
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- */
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-void
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-pcap_freecode(struct bpf_program *program)
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-{
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- program->bf_len = 0;
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- if (program->bf_insns != NULL) {
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- free((char *)program->bf_insns);
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- program->bf_insns = NULL;
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- }
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-}
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-
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-/*
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* Backpatch the blocks in 'list' to 'target'. The 'sense' field indicates
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* which of the jt and jf fields has been resolved and which is a pointer
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* back to another unresolved block (or nil). At least one of the fields
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--- a/pcap.c
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+++ b/pcap.c
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@@ -1087,6 +1087,59 @@ static const u_char charmap[] = {
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(u_char)'\374', (u_char)'\375', (u_char)'\376', (u_char)'\377',
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};
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+/*
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+ * Clean up a "struct bpf_program" by freeing all the memory allocated
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+ * in it.
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+ */
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+void
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+pcap_freecode(struct bpf_program *program)
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+{
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+ program->bf_len = 0;
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+ if (program->bf_insns != NULL) {
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+ free((char *)program->bf_insns);
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+ program->bf_insns = NULL;
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+ }
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+}
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+
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+/*
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+ * Make a copy of a BPF program and put it in the "fcode" member of
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+ * a "pcap_t".
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+ *
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+ * If we fail to allocate memory for the copy, fill in the "errbuf"
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+ * member of the "pcap_t" with an error message, and return -1;
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+ * otherwise, return 0.
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+ */
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+int
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+install_bpf_program(pcap_t *p, struct bpf_program *fp)
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+{
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+ size_t prog_size;
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+
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+ /*
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+ * Validate the program.
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+ */
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+ if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
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+ snprintf(p->errbuf, sizeof(p->errbuf),
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+ "BPF program is not valid");
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+ return (-1);
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+ }
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+
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+ /*
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+ * Free up any already installed program.
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+ */
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+ pcap_freecode(&p->fcode);
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+
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+ prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
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+ p->fcode.bf_len = fp->bf_len;
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+ p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
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+ if (p->fcode.bf_insns == NULL) {
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+ snprintf(p->errbuf, sizeof(p->errbuf),
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+ "malloc: %s", pcap_strerror(errno));
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+ return (-1);
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+ }
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+ memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
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+ return (0);
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+}
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+
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int
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pcap_strcasecmp(const char *s1, const char *s2)
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{
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--- a/optimize.c
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+++ b/optimize.c
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@@ -2203,45 +2203,6 @@ icode_to_fcode(struct block *root, u_int
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return fp;
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}
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-/*
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- * Make a copy of a BPF program and put it in the "fcode" member of
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- * a "pcap_t".
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- *
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- * If we fail to allocate memory for the copy, fill in the "errbuf"
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- * member of the "pcap_t" with an error message, and return -1;
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- * otherwise, return 0.
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- */
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-int
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-install_bpf_program(pcap_t *p, struct bpf_program *fp)
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-{
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- size_t prog_size;
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-
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- /*
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- * Validate the program.
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- */
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- if (!bpf_validate(fp->bf_insns, fp->bf_len)) {
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- snprintf(p->errbuf, sizeof(p->errbuf),
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- "BPF program is not valid");
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- return (-1);
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- }
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-
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- /*
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- * Free up any already installed program.
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- */
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- pcap_freecode(&p->fcode);
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-
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- prog_size = sizeof(*fp->bf_insns) * fp->bf_len;
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- p->fcode.bf_len = fp->bf_len;
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- p->fcode.bf_insns = (struct bpf_insn *)malloc(prog_size);
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- if (p->fcode.bf_insns == NULL) {
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- snprintf(p->errbuf, sizeof(p->errbuf),
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- "malloc: %s", pcap_strerror(errno));
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- return (-1);
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- }
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- memcpy(p->fcode.bf_insns, fp->bf_insns, prog_size);
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- return (0);
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-}
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-
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#ifdef BDEBUG
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static void
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dot_dump_node(struct block *block, struct bpf_program *prog, FILE *out)
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--- a/pcap-common.c
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+++ b/pcap-common.c
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@@ -1372,14 +1372,23 @@ swap_pseudo_headers(int linktype, struct
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switch (linktype) {
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case DLT_USB_LINUX:
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+#ifndef PCAP_SUPPORT_USB
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+ return;
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+#endif
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swap_linux_usb_header(hdr, data, 0);
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break;
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case DLT_USB_LINUX_MMAPPED:
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+#ifndef PCAP_SUPPORT_USB
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+ return;
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+#endif
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swap_linux_usb_header(hdr, data, 1);
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break;
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case DLT_NFLOG:
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+#ifndef PCAP_SUPPORT_NETFILTER
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+ return;
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+#endif
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swap_nflog_header(hdr, data);
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break;
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}
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