diff options
Diffstat (limited to 'xio.c')
-rw-r--r-- | xio.c | 45 |
1 files changed, 0 insertions, 45 deletions
@@ -158,51 +158,6 @@ ssize_t write_exact(int fd, void *buf, size_t len, int mayexit) return num; } -static int fd_rnd = -1; - -static void randombytes(unsigned char *x, unsigned long long xlen) -{ - int ret; - - if (fd_rnd == -1) { - for (;;) { - fd_rnd = open("/dev/urandom", O_RDONLY); - if (fd_rnd != -1) - break; - sleep(1); - } - } - - while (xlen > 0) { - if (xlen < 1048576) - ret = xlen; - else - ret = 1048576; - - ret = read(fd_rnd, x, ret); - if (ret < 1) { - sleep(1); - continue; - } - - x += ret; - xlen -= ret; - } -} - -/* Note: it's not really secure, but the name only suggests it's better to use - * than rand(3) when transferring bytes over the network in non-security - * critical structure members. secrand() is only used to fill up salts actually. - */ -int secrand(void) -{ - int ret; - - randombytes((void *) &ret, sizeof(ret)); - - return ret; -} - static char const *priov[] = { [LOG_EMERG] = "EMERG:", [LOG_ALERT] = "ALERT:", |