gods

commit 73047abe7b97dd57838fc14c837c5803212e3907
parent a883697fbae730cdbae13b427aaea1d11f4abe83
Author: Naveen Narayanan <zerous@nocebo.space>
Date:   Sun, 10 Oct 2021 00:39:02 +0200

Implement blacklist()

Diffstat:
M
attack.c
 | 
15
+++++++++++++--
M
attack.h
 | 
3
+++

2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/attack.c b/attack.c
@@ -1,7 +1,9 @@
+#include <errno.h>
 #include <math.h>
 #include <stdio.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h>
 
 #include "attack.h"
 
@@ -53,8 +55,17 @@ isexpire(struct attacker *a)
 int
 blacklist(struct attacker *a)
 {
-	/* stub */
-	printf("%s blacklisted\n", a->ip);
+	char ip[16];
+	int len;
+
+	strcpy(ip, a->ip);
+	len = strlen(ip);
+	ip[len] = '\n';
+	a->list = BLACK;
+	if (write(fd_black, ip, len+1) != len+1) {
+		fprintf(stderr, "write failed: %s\n", strerror(errno));
+		return -1;
+	}
 	return 1;
 }
 
diff --git a/attack.h b/attack.h
@@ -5,6 +5,9 @@
 
 #include "queue.h"
 
+extern int fd_black;
+extern int fd_white;
+
 enum list {
 	BLACK,
 	WHITE,