-unsigned char sid_18758_gz[] = {
- 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x3d, 0x8f,
- 0x6f, 0x6b, 0xdb, 0x30, 0x10, 0xc6, 0xdf, 0xe7, 0x53, 0x1c, 0x5e, 0x5e,
- 0xb4, 0x90, 0x3f, 0x6c, 0xa3, 0xb4, 0xa8, 0xb0, 0xb1, 0x31, 0x97, 0x06,
- 0xda, 0xb4, 0x74, 0xa6, 0xdb, 0x58, 0x46, 0x38, 0xcb, 0xe7, 0xe4, 0x98,
- 0x22, 0x79, 0xba, 0xb3, 0xd3, 0x40, 0x3f, 0xfc, 0xe4, 0x3a, 0xad, 0xde,
- 0x9c, 0xee, 0x7e, 0x8f, 0x9e, 0xd3, 0x83, 0x8e, 0xa2, 0x82, 0xda, 0x06,
- 0xc6, 0xd7, 0x77, 0xb7, 0xf9, 0x7a, 0x99, 0x17, 0x80, 0xfe, 0x00, 0xd3,
- 0x4f, 0x30, 0xce, 0x7f, 0x16, 0xf9, 0xc3, 0xf2, 0xcb, 0xcd, 0xcb, 0x70,
- 0x7c, 0x5d, 0x14, 0xf7, 0xeb, 0xfb, 0xbb, 0x87, 0xe2, 0xfb, 0xe8, 0x64,
- 0x04, 0xe9, 0xec, 0x64, 0x63, 0xb2, 0xab, 0xc5, 0x4d, 0x3e, 0x5d, 0x7c,
- 0xcb, 0x97, 0xc5, 0xe2, 0xea, 0x17, 0xdc, 0xb2, 0x8d, 0x41, 0x42, 0xad,
- 0xf0, 0x83, 0x7d, 0x15, 0xf6, 0x02, 0x8f, 0x2c, 0x2d, 0x3a, 0xf8, 0x8a,
- 0xc2, 0x16, 0xc4, 0x46, 0x6e, 0x14, 0x6a, 0x76, 0x04, 0x89, 0x7a, 0x17,
- 0xb0, 0x82, 0x48, 0xff, 0x5a, 0x12, 0xcd, 0x2e, 0x07, 0x53, 0x52, 0xac,
- 0x50, 0xd1, 0x08, 0xc5, 0x8e, 0x2d, 0xc1, 0x56, 0xb5, 0x19, 0x50, 0xa4,
- 0x9a, 0x22, 0x79, 0x4b, 0xa6, 0x8d, 0x6e, 0x42, 0x7e, 0xb6, 0xe7, 0xbf,
- 0xdc, 0x50, 0xc5, 0x38, 0x0b, 0x71, 0x33, 0xef, 0xbb, 0xf9, 0x63, 0x29,
- 0x83, 0xd8, 0x3a, 0x14, 0xd1, 0x43, 0x43, 0x66, 0xc7, 0x62, 0xa7, 0x68,
- 0x95, 0x3b, 0xd6, 0xc3, 0x00, 0x85, 0x2b, 0xf3, 0xfe, 0xe2, 0xfc, 0xec,
- 0xe2, 0xd5, 0xb8, 0x33, 0xc7, 0xab, 0x84, 0x84, 0x3e, 0x3e, 0x1f, 0xe1,
- 0x3b, 0xa0, 0x8e, 0xe2, 0x41, 0xb7, 0xec, 0x37, 0x80, 0x65, 0xe8, 0x08,
- 0xb0, 0x69, 0x08, 0xa3, 0x00, 0x7b, 0x10, 0x6d, 0xcb, 0x24, 0xd1, 0x2d,
- 0x41, 0x1d, 0x9c, 0x0b, 0xfb, 0x5e, 0x55, 0x91, 0x52, 0xda, 0x15, 0x3c,
- 0x84, 0xa6, 0x2f, 0x02, 0x18, 0x09, 0x7c, 0xd0, 0xb7, 0x17, 0xfd, 0x9a,
- 0x3a, 0xa9, 0x8d, 0x86, 0x75, 0x1f, 0x92, 0xe2, 0x24, 0xc5, 0xc7, 0xd2,
- 0xb1, 0x6c, 0xa9, 0x1a, 0xbe, 0xd1, 0x87, 0x5e, 0xb7, 0x91, 0x8f, 0x59,
- 0x82, 0x57, 0xf2, 0x6a, 0xb2, 0x59, 0x57, 0x4a, 0x36, 0x49, 0x6e, 0x16,
- 0x85, 0x06, 0xd6, 0xd8, 0x48, 0x26, 0x9b, 0xaf, 0x9e, 0x3e, 0x50, 0x82,
- 0x27, 0xbf, 0x57, 0x9f, 0x57, 0x4f, 0x67, 0x36, 0xb5, 0xf5, 0x9f, 0xe7,
- 0xf1, 0xe9, 0x5c, 0x76, 0x9c, 0xbd, 0x26, 0x33, 0xd4, 0xa1, 0xbb, 0x1c,
- 0x9d, 0x8e, 0xfe, 0x03, 0x51, 0xaa, 0xf2, 0x71, 0xf4, 0x01, 0x00, 0x00
+const uint8_t rule_18758[] =
+{
+0x61, 0x6C, 0x65, 0x72, 0x74, 0x20, 0x74, 0x63, 0x70, 0x20, 0x24, 0x48,
+0x4F, 0x4D, 0x45, 0x5F, 0x4E, 0x45, 0x54, 0x20, 0x61, 0x6E, 0x79, 0x20,
+0x2D, 0x3E, 0x20, 0x24, 0x45, 0x58, 0x54, 0x45, 0x52, 0x4E, 0x41, 0x4C,
+0x5F, 0x4E, 0x45, 0x54, 0x20, 0x24, 0x48, 0x54, 0x54, 0x50, 0x5F, 0x50,
+0x4F, 0x52, 0x54, 0x53, 0x0A, 0x28, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x6D,
+0x73, 0x67, 0x3A, 0x22, 0x46, 0x49, 0x4C, 0x45, 0x2D, 0x49, 0x44, 0x45,
+0x4E, 0x54, 0x49, 0x46, 0x59, 0x20, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73,
+0x6F, 0x66, 0x74, 0x20, 0x57, 0x69, 0x6E, 0x64, 0x6F, 0x77, 0x73, 0x20,
+0x56, 0x69, 0x73, 0x75, 0x61, 0x6C, 0x20, 0x42, 0x61, 0x73, 0x69, 0x63,
+0x20, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x20, 0x66, 0x69, 0x6C, 0x65,
+0x20, 0x64, 0x6F, 0x77, 0x6E, 0x6C, 0x6F, 0x61, 0x64, 0x20, 0x72, 0x65,
+0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20,
+0x6D, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x3A, 0x73, 0x65, 0x72,
+0x76, 0x69, 0x63, 0x65, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3B, 0x0A, 0x20,
+0x20, 0x20, 0x20, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x6E, 0x63, 0x65,
+0x3A, 0x75, 0x72, 0x6C, 0x2C, 0x65, 0x6E, 0x2E, 0x77, 0x69, 0x6B, 0x69,
+0x70, 0x65, 0x64, 0x69, 0x61, 0x2E, 0x6F, 0x72, 0x67, 0x2F, 0x77, 0x69,
+0x6B, 0x69, 0x2F, 0x56, 0x62, 0x73, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20,
+0x63, 0x6C, 0x61, 0x73, 0x73, 0x74, 0x79, 0x70, 0x65, 0x3A, 0x6D, 0x69,
+0x73, 0x63, 0x2D, 0x61, 0x63, 0x74, 0x69, 0x76, 0x69, 0x74, 0x79, 0x3B,
+0x0A, 0x20, 0x20, 0x20, 0x20, 0x73, 0x69, 0x64, 0x3A, 0x31, 0x38, 0x37,
+0x35, 0x38, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x72, 0x65, 0x76, 0x3A,
+0x38, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x73, 0x6F, 0x69, 0x64, 0x3A,
+0x33, 0x7C, 0x31, 0x38, 0x37, 0x35, 0x38, 0x3B, 0x0A, 0x23, 0x20, 0x65,
+0x76, 0x65, 0x72, 0x79, 0x74, 0x68, 0x69, 0x6E, 0x67, 0x20, 0x61, 0x62,
+0x6F, 0x76, 0x65, 0x20, 0x61, 0x70, 0x70, 0x65, 0x61, 0x72, 0x73, 0x20,
+0x69, 0x6E, 0x20, 0x73, 0x74, 0x75, 0x62, 0x0A, 0x23, 0x20, 0x74, 0x68,
+0x65, 0x20, 0x66, 0x6F, 0x6C, 0x6C, 0x6F, 0x77, 0x69, 0x6E, 0x67, 0x20,
+0x64, 0x65, 0x74, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x20, 0x6F, 0x70,
+0x74, 0x69, 0x6F, 0x6E, 0x73, 0x20, 0x61, 0x72, 0x65, 0x20, 0x6E, 0x6F,
+0x74, 0x20, 0x69, 0x6E, 0x20, 0x73, 0x74, 0x75, 0x62, 0x0A, 0x20, 0x20,
+0x20, 0x20, 0x66, 0x6C, 0x6F, 0x77, 0x3A, 0x74, 0x6F, 0x5F, 0x73, 0x65,
+0x72, 0x76, 0x65, 0x72, 0x2C, 0x65, 0x73, 0x74, 0x61, 0x62, 0x6C, 0x69,
+0x73, 0x68, 0x65, 0x64, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x68, 0x74,
+0x74, 0x70, 0x5F, 0x75, 0x72, 0x69, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20,
+0x63, 0x6F, 0x6E, 0x74, 0x65, 0x6E, 0x74, 0x3A, 0x22, 0x2E, 0x76, 0x62,
+0x73, 0x22, 0x2C, 0x20, 0x6E, 0x6F, 0x63, 0x61, 0x73, 0x65, 0x3B, 0x0A,
+0x20, 0x20, 0x20, 0x20, 0x70, 0x63, 0x72, 0x65, 0x3A, 0x22, 0x2F, 0x5C,
+0x78, 0x32, 0x65, 0x76, 0x62, 0x73, 0x28, 0x5B, 0x5C, 0x3F, 0x5C, 0x78,
+0x35, 0x63, 0x5C, 0x78, 0x32, 0x66, 0x5D, 0x7C, 0x24, 0x29, 0x2F, 0x73,
+0x6D, 0x69, 0x22, 0x3B, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x73, 0x6F, 0x3A,
+0x65, 0x76, 0x61, 0x6C, 0x3B, 0x0A, 0x29, 0x0A,
};
-unsigned int sid_18758_gz_len = 372;
+const unsigned rule_18758_len = 0;
#include <zlib.h>
#include <list>
+#include <iomanip>
#include <iostream>
+#include <sstream>
using namespace std;
#include "snort_types.h"
// so rules
//-------------------------------------------------------------------------
-#define GZIP_WBITS 31
+// FIXIT-L eliminate this arbitrary limit on rule text size
+const unsigned max_rule = 128000;
+static uint8_t so_buf[max_rule];
+
+static const uint8_t* compress(const string& text, unsigned& len)
+{
+ const char* s = text.c_str();
+ z_stream stream;
+
+ stream.next_in = (Bytef*)s;
+ stream.avail_in = text.size();
+
+ stream.next_out = so_buf;
+ stream.avail_out = max_rule;
+
+ stream.zalloc = nullptr;
+ stream.zfree = nullptr;
+
+ stream.total_in = 0;
+ stream.total_out = 0;
+
+ len = 0;
+
+ if ( deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK )
+ return nullptr;
+
+ if ( deflate(&stream, Z_FINISH) == Z_STREAM_END )
+ len= stream.total_out;
+
+ deflateEnd(&stream);
+ return so_buf;
+}
// FIXIT-L make this into a general utility for one shot decompress
// and add class for stream decompress
-const char* uncompress(const uint8_t* data, unsigned len)
+static const char* expand(const uint8_t* data, unsigned len)
{
- const unsigned max_rule = 65536;
- static char buf[max_rule];
-
z_stream stream;
stream.next_in = (Bytef*)data;
stream.avail_in = (uInt)len;
- stream.next_out = (Bytef*)buf;
+ stream.next_out = (Bytef*)so_buf;
stream.avail_out = (uInt)(max_rule - 1);
stream.zalloc = nullptr;
stream.total_in = 0;
stream.total_out = 0;
- if ( inflateInit2(&stream, GZIP_WBITS) != Z_OK )
+ if ( inflateInit(&stream) != Z_OK )
return nullptr;
if ( inflate(&stream, Z_SYNC_FLUSH) != Z_STREAM_END )
return nullptr;
assert(stream.total_out < max_rule);
- buf[stream.total_out] = '\0';
+ so_buf[stream.total_out] = '\0';
- return buf;
+ return (char*)so_buf;
+}
+
+//-------------------------------------------------------------------------
+
+static void strvrt(const string& text, string& data)
+{
+ unsigned len = 0;
+ const uint8_t* d = compress(text, len);
+
+ // lose the zlib header
+ assert(len > 2 && d[0] == 0x78 && d[1] == 0x9C);
+ d += 2;
+ len -= 2;
+
+ data.assign((char*)d, len);
+
+ // FIXIT-H choose random byte for xor
+ uint8_t key = 0xA5;
+
+ for ( unsigned i = 0; i < len; i++ )
+ data[i] ^= key;
+
+ data.append(1, (char)key);
+}
+
+static const char* revert(const uint8_t* data, unsigned len)
+{
+ if ( !len )
+ return (char*)data;
+
+ uint8_t key = data[--len];
+ string s((char*)data, len);
+
+ for ( unsigned i = 0; i < len-1; i++ )
+ s[i] ^= key;
+
+ // force the zlib header
+ s.insert(0, "\x78\x9C");
+
+ return expand((uint8_t*)s.c_str(), s.size());
}
//-------------------------------------------------------------------------
if ( !api )
return nullptr;
- const char* rule = uncompress(api->rule, api->length);
+ if ( !api->length )
+ return nullptr;
+
+ const char* rule = revert(api->rule, api->length);
if ( !rule )
return nullptr;
for ( auto* p : s_rules )
{
const char* s;
- const char* rule = uncompress(p->rule, p->length);
+ const char* rule = revert(p->rule, p->length);
if ( !rule )
continue;
continue;
// FIXIT-L strip newlines (optional?)
- string stub(rule, ++s-rule);
- cout << stub << ")" << endl;
+ if ( !p->length )
+ cout << rule << endl;
+ else
+ {
+ string stub(rule, ++s-rule);
+ cout << stub << ")" << endl;
+ }
++c;
}
if ( !c )
cerr << "no rules to dump" << endl;
}
+static void get_var(const string& s, string& v)
+{
+ v.clear();
+ size_t pos = s.find("soid");
+
+ if ( pos == string::npos )
+ return;
+
+ pos = s.find("|", pos+1);
+
+ if ( pos == string::npos )
+ return;
+
+ size_t end = s.find(";", ++pos);
+
+ if ( end == string::npos )
+ return;
+
+ v = s.substr(pos, end-pos);
+}
+
+void SoManager::rule_to_hex(const char*)
+{
+ stringstream buffer;
+ buffer << cin.rdbuf();
+ string text = buffer.str();
+
+ unsigned idx;
+ string data;
+ strvrt(text, data);
+
+ string var;
+ get_var(text, var);
+
+ cout << "const uint8_t rule_" << var;
+ cout << "[] =" << endl;
+ cout << "{" << endl;
+ cout << hex << uppercase;
+
+ for ( idx = 0; idx < data.size(); idx++ )
+ {
+ if ( idx && !(idx % 12) )
+ cout << endl;
+
+ uint8_t u = data[idx];
+ cout << "0x" << setfill('0') << setw(2) << hex << (int)u << ", ";
+ }
+ if ( idx % 16 )
+ cout << endl;
+
+ cout << dec;
+ cout << "};" << endl;
+ cout << "const unsigned rule_" << var << "_len = ";
+ cout << data.size() << ";" << endl;
+}
+
+void SoManager::rule_to_text(const char*)
+{
+ stringstream buffer;
+ buffer << cin.rdbuf();
+ string text = buffer.str();
+
+ unsigned len = text.size(), idx;
+ const uint8_t* data = (uint8_t*)text.c_str();
+
+ string var;
+ get_var(text, var);
+
+ cout << "const uint8_t rule_" << var;
+ cout << "[] =" << endl;
+ cout << "{" << endl;
+ cout << hex << uppercase;
+
+ for ( idx = 0; idx < len; idx++ )
+ {
+ if ( idx && !(idx % 12) )
+ cout << endl;
+ cout << "0x" << setfill('0') << setw(2) << (unsigned)data[idx] << ", ";
+ }
+ if ( idx % 16 )
+ cout << endl;
+
+ cout << dec;
+ cout << "};" << endl;
+ cout << "const unsigned rule_" << var;
+ cout << "_len = 0;" << endl;
+}
+
projects / thirdparty / snort3.git / commitdiff
