diff options
Diffstat (limited to 'contrib/libpcap/bpf_image.c')
-rw-r--r-- | contrib/libpcap/bpf_image.c | 158 |
1 files changed, 85 insertions, 73 deletions
diff --git a/contrib/libpcap/bpf_image.c b/contrib/libpcap/bpf_image.c index 01ec536dfd62..ab41d1ef98bd 100644 --- a/contrib/libpcap/bpf_image.c +++ b/contrib/libpcap/bpf_image.c @@ -20,22 +20,10 @@ */ #ifdef HAVE_CONFIG_H -#include "config.h" +#include <config.h> #endif -#ifdef _WIN32 -#include <pcap-stdinc.h> -#else /* _WIN32 */ -#if HAVE_INTTYPES_H -#include <inttypes.h> -#elif HAVE_STDINT_H -#include <stdint.h> -#endif -#ifdef HAVE_SYS_BITYPES_H -#include <sys/bitypes.h> -#endif -#include <sys/types.h> -#endif /* _WIN32 */ +#include <pcap-types.h> #include <stdio.h> #include <string.h> @@ -47,266 +35,290 @@ #endif char * -bpf_image(p, n) - const struct bpf_insn *p; - int n; +bpf_image(const struct bpf_insn *p, int n) { - int v; - const char *fmt, *op; + const char *op; static char image[256]; - char operand[64]; + char operand_buf[64]; + const char *operand; - v = p->k; switch (p->code) { default: op = "unimp"; - fmt = "0x%x"; - v = p->code; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "0x%x", p->code); + operand = operand_buf; break; case BPF_RET|BPF_K: op = "ret"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_RET|BPF_A: op = "ret"; - fmt = ""; + operand = ""; break; case BPF_LD|BPF_W|BPF_ABS: op = "ld"; - fmt = "[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[%d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_H|BPF_ABS: op = "ldh"; - fmt = "[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[%d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_B|BPF_ABS: op = "ldb"; - fmt = "[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[%d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_W|BPF_LEN: op = "ld"; - fmt = "#pktlen"; + operand = "#pktlen"; break; case BPF_LD|BPF_W|BPF_IND: op = "ld"; - fmt = "[x + %d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[x + %d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_H|BPF_IND: op = "ldh"; - fmt = "[x + %d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[x + %d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_B|BPF_IND: op = "ldb"; - fmt = "[x + %d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "[x + %d]", p->k); + operand = operand_buf; break; case BPF_LD|BPF_IMM: op = "ld"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_LDX|BPF_IMM: op = "ldx"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_LDX|BPF_MSH|BPF_B: op = "ldxb"; - fmt = "4*([%d]&0xf)"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "4*([%d]&0xf)", p->k); + operand = operand_buf; break; case BPF_LD|BPF_MEM: op = "ld"; - fmt = "M[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "M[%d]", p->k); + operand = operand_buf; break; case BPF_LDX|BPF_MEM: op = "ldx"; - fmt = "M[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "M[%d]", p->k); + operand = operand_buf; break; case BPF_ST: op = "st"; - fmt = "M[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "M[%d]", p->k); + operand = operand_buf; break; case BPF_STX: op = "stx"; - fmt = "M[%d]"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "M[%d]", p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JA: op = "ja"; - fmt = "%d"; - v = n + 1 + p->k; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "%d", n + 1 + p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JGT|BPF_K: op = "jgt"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JGE|BPF_K: op = "jge"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JEQ|BPF_K: op = "jeq"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JSET|BPF_K: op = "jset"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_JMP|BPF_JGT|BPF_X: op = "jgt"; - fmt = "x"; + operand = "x"; break; case BPF_JMP|BPF_JGE|BPF_X: op = "jge"; - fmt = "x"; + operand = "x"; break; case BPF_JMP|BPF_JEQ|BPF_X: op = "jeq"; - fmt = "x"; + operand = "x"; break; case BPF_JMP|BPF_JSET|BPF_X: op = "jset"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_ADD|BPF_X: op = "add"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_SUB|BPF_X: op = "sub"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_MUL|BPF_X: op = "mul"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_DIV|BPF_X: op = "div"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_MOD|BPF_X: op = "mod"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_AND|BPF_X: op = "and"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_OR|BPF_X: op = "or"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_XOR|BPF_X: op = "xor"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_LSH|BPF_X: op = "lsh"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_RSH|BPF_X: op = "rsh"; - fmt = "x"; + operand = "x"; break; case BPF_ALU|BPF_ADD|BPF_K: op = "add"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_SUB|BPF_K: op = "sub"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_MUL|BPF_K: op = "mul"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_DIV|BPF_K: op = "div"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_MOD|BPF_K: op = "mod"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_AND|BPF_K: op = "and"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_OR|BPF_K: op = "or"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_XOR|BPF_K: op = "xor"; - fmt = "#0x%x"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#0x%x", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_LSH|BPF_K: op = "lsh"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_RSH|BPF_K: op = "rsh"; - fmt = "#%d"; + (void)pcap_snprintf(operand_buf, sizeof operand_buf, "#%d", p->k); + operand = operand_buf; break; case BPF_ALU|BPF_NEG: op = "neg"; - fmt = ""; + operand = ""; break; case BPF_MISC|BPF_TAX: op = "tax"; - fmt = ""; + operand = ""; break; case BPF_MISC|BPF_TXA: op = "txa"; - fmt = ""; + operand = ""; break; } - (void)pcap_snprintf(operand, sizeof operand, fmt, v); if (BPF_CLASS(p->code) == BPF_JMP && BPF_OP(p->code) != BPF_JA) { (void)pcap_snprintf(image, sizeof image, "(%03d) %-8s %-16s jt %d\tjf %d", |