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Switched to /dev/random instead of time(NULL) in secrets.c

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This commit is contained in:
Markus Makela 2014-11-25 11:37:21 +02:00
parent e4c379bbdc
commit 30c928c326
1 changed files with 25 additions and 3 deletions
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28
server/core/secrets.c
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@ -227,8 +227,9 @@ static int reported = 0;
*/
int secrets_writeKeys(char *secret_file)
{
int fd;
MAXKEYS key;
int fd,randfd;
unsigned int randval;
MAXKEYS key;
/* Open for writing | Create | Truncate the file for writing */
if ((fd = open(secret_file, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR)) < 0)
@ -243,7 +244,28 @@ MAXKEYS key;
return 1;
}
srand(time(NULL));
/* Open for writing | Create | Truncate the file for writing */
if ((randfd = open("/dev/random", O_RDONLY)) < 0)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : failed opening /dev/random. Error %d, %s.",
errno,
strerror(errno))));
return 1;
}
if(read(randfd,(void*)&randval,sizeof(unsigned int)) < 1)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : failed to read /dev/random.")));
close(randfd);
return 1;
}
close(randfd);
srand(randval);
secrets_random_str(key.enckey, MAXSCALE_KEYLEN);
secrets_random_str(key.initvector, MAXSCALE_IV_LEN);