int
main(int argc, char *argv[])
{
struct bpf_program prog;
parse_args(argc, argv);
if (pcap_compile_nopcap(snaplen, dlt, &prog, expr, 1, 0))
{
fprintf(stderr, "Syntax error in expression\n");
exit(EX_USAGE);
}
switch(format)
{
case RAW:
print_raw(&prog);
break;
case HEXSTRING:
print_hexstring(&prog);
break;
case NG_BPF:
print_ng_bpf(&prog);
break;
}
return EX_OK;
}
void
pico_dump_header(PICO * pico, header_format_t format, FILE * out) {
if (pico == NULL) return;
if (out == NULL) return;
// Python dictionary and JSON are almost exactly the same. Almost.
// So is YAML.
switch (format) {
case PYTHON_DICT:
case JSON:
// Write the header information as either JSON or a Python dict.
fprintf(out, "{\n");
fprintf(out, " \"magic\" : [ ");
print_array(&magic, sizeof(magic_t), format == PYTHON_DICT, out);
fprintf(out, " ],\n");
fprintf(out, " \"major\" : ");
print_int(&pico->major, sizeof(major_t), false, out);
fprintf(out, ",\n");
fprintf(out, " \"minor\" : ");
print_int(&pico->minor, sizeof(minor_t), false, out);
fprintf(out, ",\n");
fprintf(out, " \"offset\" : ");
print_int(&pico->offset, sizeof(offset_t), format == PYTHON_DICT, out);
fprintf(out, ",\n");
fprintf(out, " \"md5\" : \"");
print_hexstring(pico->hash, HASH_LEN, out);
fprintf(out, "\",\n");
fprintf(out, " \"key_length\" : ");
print_int(&pico->key_length, sizeof(keylen_t), false, out);
fprintf(out, ",\n");
fprintf(out, " \"key\" : [ ");
print_array(pico->key, pico->key_length, format == PYTHON_DICT, out);
fprintf(out, " ]\n");
fprintf(out, "}\n");
break;
case YAML:
// Write header as YAML.
fprintf(out, " magic : [ ");
print_array(&magic, sizeof(magic_t), true, out);
fprintf(out, " ]\n");
fprintf(out, " major : ");
print_int(&pico->major, sizeof(major_t), false, out);
fprintf(out, "\n");
fprintf(out, " minor : ");
print_int(&pico->minor, sizeof(minor_t), false, out);
fprintf(out, "\n");
fprintf(out, " offset : ");
print_int(&pico->offset, sizeof(offset_t), true, out);
fprintf(out, "\n");
fprintf(out, " md5 : ");
print_hexstring(pico->hash, HASH_LEN, out);
fprintf(out, "\n");
fprintf(out, " key_length : ");
print_int(&pico->key_length, sizeof(keylen_t), false, out);
fprintf(out, "\n");
fprintf(out, " key : [ ");
print_array(pico->key, pico->key_length, true, out);
fprintf(out, " ]\n");
break;
case XML:
// Write header as XML.
fprintf(out, "<pico magic='");
print_hexstring(&magic, sizeof(magic_t), out);
fprintf(out, "'\n");
fprintf(out, " major='");
print_int(&pico->major, sizeof(major_t), false, out);
fprintf(out, "'\n");
fprintf(out, " minor='");
print_int(&pico->minor, sizeof(minor_t), false, out);
fprintf(out, "'\n");
fprintf(out, " offset='");
print_int(&pico->offset, sizeof(offset_t), false, out);
fprintf(out, "'\n");
fprintf(out, " md5='");
print_hexstring(pico->hash, HASH_LEN, out);
fprintf(out, "'\n");
fprintf(out, " key_length='");
print_int(&pico->key_length, sizeof(keylen_t), false, out);
fprintf(out, "'\n");
fprintf(out, " key='");
print_hexstring(pico->key, pico->key_length, out);
fprintf(out, "' />\n");
break;
default:
// Do nothing.
break;
}
}
