diff options
Diffstat (limited to 'package/libpcap/patches/105-space_optimization.patch')
| -rw-r--r-- | package/libpcap/patches/105-space_optimization.patch | 102 |
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 17265cd665..29c293b623 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) |