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authorDimitri Staessens <dimitri@ouroboros.rocks>2022-02-17 19:18:08 +0100
committerSander Vrijders <sander@ouroboros.rocks>2022-02-18 08:43:14 +0100
commit4fe23eccc3a62b02289964391a0cd611db89ed8b (patch)
treecc4602c0022f1f523df2251ca73a52dac55f7e24
parent26f9d9880cdd8392379516d795a3cabb5f412728 (diff)
downloadouroboros-4fe23eccc3a62b02289964391a0cd611db89ed8b.tar.gz
ouroboros-4fe23eccc3a62b02289964391a0cd611db89ed8b.zip
ipcpd: Use random buffer for flat address
Less code, and less chance of a collision. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
-rw-r--r--src/ipcpd/unicast/addr-auth/flat.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/src/ipcpd/unicast/addr-auth/flat.c b/src/ipcpd/unicast/addr-auth/flat.c
index af245a5d..061cb01f 100644
--- a/src/ipcpd/unicast/addr-auth/flat.c
+++ b/src/ipcpd/unicast/addr-auth/flat.c
@@ -29,19 +29,11 @@
#define OUROBOROS_PREFIX "flat-addr-auth"
#include <ouroboros/logs.h>
-#include <ouroboros/errno.h>
-#include <ouroboros/time_utils.h>
-#include <ouroboros/utils.h>
+#include <ouroboros/random.h>
#include "ipcp.h"
#include "flat.h"
-#include <time.h>
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <assert.h>
-
#define NAME_LEN 8
struct {
@@ -75,13 +67,10 @@ int flat_fini(void)
uint64_t flat_address(void)
{
- struct timespec t;
- uint32_t addr;
-
- clock_gettime(CLOCK_REALTIME, &t);
- srand(t.tv_nsec);
+ uint32_t addr = INVALID_ADDRESS;
- addr = (rand() % (RAND_MAX - 1) + 1) & 0xFFFFFFFF;
+ while (addr == INVALID_ADDRESS)
+ random_buffer(&addr,sizeof(addr));
return addr;
}