commit of half-finished things.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/bin/iprand.c b/src/bin/iprand.c
new file mode 100644
index 0000000..e6b2f83
--- /dev/null
+++ b/src/bin/iprand.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <time.h>
+
+int main(int argc,char *argv[]) {
+ srandom(time(0)+getpid());
+ unsigned int ip;
+ unsigned int net=argc>1?htonl(inet_addr(argv[1])):0x0;
+ unsigned int mask=argc>2?htonl(inet_addr(argv[2])):0x0;
+ unsigned int a=argc>3?atoi(argv[3]):3;
+ net &= mask;
+ for(;a>0;a--) {
+  ip=random();
+  ip &= ~mask;
+  ip |= net;
+  printf("%d.%d.%d.%d\n",ip>>24&255,ip>>16&255,ip>>8&255,ip&255);
+ }
+}