Remove the -K/-J options for setting keys.

The options were never really used and do not seem especially useful;
initialization with a seed file still works.

This also fixes a bug with the initialization of the siphash key.

src/main.cc

@@ -190,8 +190,6 @@ void usage()
 	fprintf(stderr, "    -G|--load-seeds <file>         | load seeds from given file\n");
 	fprintf(stderr, "    -H|--save-seeds <file>         | save seeds to given file\n");
 	fprintf(stderr, "    -I|--print-id <ID name>        | print out given ID\n");
-	fprintf(stderr, "    -J|--set-seed <seed>           | set the random number seed\n");
-	fprintf(stderr, "    -K|--md5-hashkey <hashkey>     | set key for MD5-keyed hashing\n");
 	fprintf(stderr, "    -N|--print-plugins             | print available plugins and exit (-NN for verbose)\n");
 	fprintf(stderr, "    -P|--prime-dns                 | prime DNS\n");
 	fprintf(stderr, "    -Q|--time                      | print execution time summary to stderr\n");
@@ -459,7 +457,6 @@ int main(int argc, char** argv)
 	char* debug_streams = 0;
 	int parse_only = false;
 	int bare_mode = false;
-	int seed = 0;
 	int dump_cfg = false;
 	int to_xml = 0;
 	int do_watchdog = 0;
@@ -491,8 +488,6 @@ int main(int argc, char** argv)
 		{"force-dns",		no_argument,		0,	'F'},
 		{"load-seeds",		required_argument,	0,	'G'},
 		{"save-seeds",		required_argument,	0,	'H'},
-		{"set-seed",		required_argument,	0,	'J'},
-		{"md5-hashkey",		required_argument,	0,	'K'},
 		{"print-plugins",	no_argument,		0,	'N'},
 		{"prime-dns",		no_argument,		0,	'P'},
 		{"time",		no_argument,		0,	'Q'},
@@ -546,7 +541,7 @@ int main(int argc, char** argv)
 	opterr = 0;
 
 	char opts[256];
-	safe_strncpy(opts, "B:e:f:G:H:I:i:J:K:n:p:R:r:s:T:t:U:w:x:X:z:CFNPQSWabdghv",
+	safe_strncpy(opts, "B:e:f:G:H:I:i:n:p:R:r:s:T:t:U:w:x:X:z:CFNPQSWabdghv",
 		     sizeof(opts));
 
 #ifdef USE_PERFTOOLS_DEBUG
@@ -661,15 +656,6 @@ int main(int argc, char** argv)
 			id_name = optarg;
 			break;
 
-		case 'J':
-			seed = atoi(optarg);
-			break;
-
-		case 'K':
-			MD5((const u_char*) optarg, strlen(optarg), shared_hmac_md5_key);
-			hmac_key_set = true;
-			break;
-
 		case 'N':
 			++print_plugins;
 			break;
@@ -760,7 +746,7 @@ int main(int argc, char** argv)
 		}
 #endif
 
-	init_random_seed(seed, (seed_load_file && *seed_load_file ? seed_load_file : 0) , seed_save_file);
+	init_random_seed((seed_load_file && *seed_load_file ? seed_load_file : 0) , seed_save_file);
 	// DEBUG_MSG("HMAC key: %s\n", md5_digest_print(shared_hmac_md5_key));
 	init_hash_function();
 

src/util.cc

@@ -791,13 +791,14 @@ void bro_srandom(unsigned int seed)
 		srandom(seed);
 	}
 
-void init_random_seed(uint32 seed, const char* read_file, const char* write_file)
+void init_random_seed(const char* read_file, const char* write_file)
 	{
 	static const int bufsiz = 20;
 	uint32 buf[bufsiz];
 	memset(buf, 0, sizeof(buf));
 	int pos = 0;	// accumulates entropy
 	bool seeds_done = false;
+	uint32 seed = 0;
 
 	if ( read_file )
 		{
@@ -870,7 +871,7 @@ void init_random_seed(uint32 seed, const char* read_file, const char* write_file
 	if ( ! siphash_key_set )
 		{
 		assert(sizeof(buf)-64 == 16);
-		memcpy(shared_siphash_key, buf+64, 16);
+		memcpy(shared_siphash_key, reinterpret_cast<const char*>(buf)+64, 16);
 		siphash_key_set = true;
 		}
 

src/util.h

@@ -195,8 +195,7 @@ extern void hmac_md5(size_t size, const unsigned char* bytes,
 // over the "seed" argument.  If write_file is given, the seeds are written
 // to that file.
 //
-extern void init_random_seed(uint32 seed, const char* load_file,
+extern void init_random_seed(const char* load_file, const char* write_file);
-				const char* write_file);
 
 // Retrieves the initial seed computed after the very first call to
 // init_random_seed(). Repeated calls to init_random_seed() will not affect

testing/btest/Baseline/bifs.hll_large_estimate/out

@@ -1,2 +1,3 @@
+Ok error
 171249.90868
-171249.90868
+Ok error

testing/btest/bifs/hll_large_estimate.bro

@@ -2,7 +2,8 @@
 # Test the quality of HLL once by checking adding a large number of IP entries.
 #
 # @TEST-EXEC: bro %INPUT > out
-# @TEST-EXEC: BRO_SEED_FILE="" bro %INPUT >> out
+# @TEST-EXEC: BRO_SEED_FILE="" bro %INPUT > out2
+# @TEST-EXEC: head -n1 out2 >> out
 # @TEST-EXEC: btest-diff out
 
 event bro_init()
@@ -15,5 +16,10 @@ event bro_init()
 		hll_cardinality_add(cp, count_to_v4_addr(base+i));
 		}
 
+	if ( |hll_cardinality_estimate(cp) - 170000| > 10000 )
+		print "Big error";
+	else
+		print "Ok error";
+
 	print hll_cardinality_estimate(cp);
 	}

testing/btest/random.seed

@@ -15,7 +15,7 @@
 3912865238
 3596260151
 517973768
-3606168384
+1462428821
-119014752
+0
-1013039866
+2278350848
-2458585167
+32767