1 files changed, 23 insertions, 15 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index d2f637f..0771325 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -378,6 +378,9 @@ main(int argc, char **argv)
         int icmp_sockerrno, udp_sockerrno, tcp_sockerrno;
         int result;
         struct rta_host *host;
+#ifdef SO_TIMESTAMP
+        int on = 1;
+#endif
 
         setlocale (LC_ALL, "");
         bindtextdomain (PACKAGE, LOCALEDIR);
@@ -403,7 +406,6 @@ main(int argc, char **argv)
         setuid(getuid());
 
 #ifdef SO_TIMESTAMP
-        int on = 1;
         if(setsockopt(icmp_sock, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on)))
           if(debug) printf("Warning: no SO_TIMESTAMP support\n");
 #endif // SO_TIMESTAMP
@@ -828,6 +830,8 @@ send_icmp_ping(int sock, struct rta_host *host)
         } packet = { NULL };
         long int len;
         struct icmp_ping_data data;
+        struct msghdr hdr;
+        struct iovec iov;
         struct timeval tv;
         struct sockaddr *addr;
 
@@ -863,16 +867,16 @@ send_icmp_ping(int sock, struct rta_host *host)
                 printf("Sending ICMP echo-request of len %u, id %u, seq %u, cksum 0x%X to host %s\n",
                        sizeof(data), ntohs(packet.icp->icmp_id), ntohs(packet.icp->icmp_seq), packet.icp->icmp_cksum, host->name);
 
-        struct msghdr hdr;
-        memset(&hdr, 0, sizeof(hdr));
-        hdr.msg_name = addr;
-        hdr.msg_namelen = sizeof(struct sockaddr);
-        struct iovec iov;
         memset(&iov, 0, sizeof(iov));
         iov.iov_base = packet.buf;
         iov.iov_len = icmp_pkt_size;
+
+        memset(&hdr, 0, sizeof(hdr));
+        hdr.msg_name = addr;
+        hdr.msg_namelen = sizeof(struct sockaddr);
         hdr.msg_iov = &iov;
         hdr.msg_iovlen = 1;
+
         len = sendmsg(sock, &hdr, MSG_CONFIRM);
 
         if(len < 0 || (unsigned int)len != icmp_pkt_size) {
@@ -892,9 +896,15 @@ recvfrom_wto(int sock, void *buf, unsigned int len, struct sockaddr *saddr,
                          u_int *timo, struct timeval* tv)
 {
         u_int slen;
-        int n;
+        int n, ret;
         struct timeval to, then, now;
         fd_set rd, wr;
+        char ans_data[4096];
+        struct msghdr hdr;
+        struct iovec iov;
+#ifdef SO_TIMESTAMP
+        struct cmsghdr* chdr;
+#endif
 
         if(!*timo) {
                 if(debug) printf("*timo is not\n");
@@ -918,22 +928,20 @@ recvfrom_wto(int sock, void *buf, unsigned int len, struct sockaddr *saddr,
 
         slen = sizeof(struct sockaddr);
 
-        struct msghdr hdr;
-        memset(&hdr, 0, sizeof(hdr));
-        hdr.msg_name = saddr;
-        hdr.msg_namelen = slen;
-        struct iovec iov;
         memset(&iov, 0, sizeof(iov));
         iov.iov_base = buf;
         iov.iov_len = len;
+
+        memset(&hdr, 0, sizeof(hdr));
+        hdr.msg_name = saddr;
+        hdr.msg_namelen = slen;
         hdr.msg_iov = &iov;
         hdr.msg_iovlen = 1;
-        char ans_data[4096];
         hdr.msg_control = ans_data;
         hdr.msg_controllen = sizeof(ans_data);
-        int ret = recvmsg(sock, &hdr, 0);
+
+        ret = recvmsg(sock, &hdr, 0);
 #ifdef SO_TIMESTAMP
-        struct cmsghdr* chdr;
         for(chdr = CMSG_FIRSTHDR(&hdr); chdr; chdr = CMSG_NXTHDR(&hdr, chdr)) {
                 if(chdr->cmsg_level == SOL_SOCKET
                    && chdr->cmsg_type == SO_TIMESTAMP