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fixed anti_replay dead loop

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wangyu
2017-08-04 04:22:16 +08:00
committed by wangyu
parent 203eccb2d0
commit 351d14734f
3 changed files with 30 additions and 12 deletions
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18
common.cpp
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@@ -51,23 +51,37 @@ char * my_ntoa(uint32_t ip)
void init_random_number_fd()
{
random_number_fd=open("/dev/urandom",O_RDONLY);
if(random_number_fd==-1)
{
mylog(log_fatal,"error open /dev/urandom\n");
exit(-1);
}
setnonblocking(random_number_fd);
}
uint64_t get_true_random_number_64()
{
uint64_t ret;
read(random_number_fd,&ret,sizeof(ret));
int size=read(random_number_fd,&ret,sizeof(ret));
if(size!=sizeof(ret))
{
mylog(log_fatal,"get random number failed\n",size);
exit(-1);
}
return ret;
}
uint32_t get_true_random_number()
{
uint32_t ret;
read(random_number_fd,&ret,sizeof(ret));
int size=read(random_number_fd,&ret,sizeof(ret));
if(size!=sizeof(ret))
{
mylog(log_fatal,"get random number failed\n",size);
exit(-1);
}
return ret;
}
uint32_t get_true_random_number_nz() //nz for non-zero