traceroute: fix compilation if netinet/protocols.h is missing
diff --git a/networking/traceroute.c b/networking/traceroute.c
index ceec0bc..80ce5c3 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -204,27 +204,11 @@
#undef CONFIG_FEATURE_TRACEROUTE_USE_ICMP
//#define CONFIG_FEATURE_TRACEROUTE_USE_ICMP
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <endian.h>
-#include <getopt.h>
-
-#include <sys/param.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/select.h>
#include "inet_common.h"
#include <net/if.h>
-#include <netinet/in.h>
#include <arpa/inet.h>
-#include <netinet/protocols.h>
+#include <netinet/in.h>
#include <netinet/udp.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
@@ -236,7 +220,15 @@
* Definitions for internet protocol version 4.
* Per RFC 791, September 1981.
*/
-#define IPVERSION 4
+#define IPVERSION 4
+
+#ifndef IPPROTO_ICMP
+/* Grrrr.... */
+#define IPPROTO_ICMP 1
+#endif
+#ifndef IPPROTO_IP
+#define IPPROTO_IP 0
+#endif
/*
* Overlay for ip header used by other protocols (tcp, udp).
@@ -1080,7 +1072,7 @@
if (n > 2)
close(n);
- s = xsocket(AF_INET, SOCK_RAW, IP_ICMP);
+ s = xsocket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
#ifdef CONFIG_FEATURE_TRACEROUTE_SO_DEBUG
if (op & USAGE_OP_DEBUG)
@@ -1098,10 +1090,6 @@
if (lsrr > 0) {
unsigned char optlist[MAX_IPOPTLEN];
- cp = "ip";
- if ((pe = getprotobyname(cp)) == NULL)
- bb_perror_msg_and_die("unknown protocol");
-
/* final hop */
gwlist[lsrr] = to->sin_addr.s_addr;
++lsrr;
@@ -1116,10 +1104,10 @@
optlist[3] = IPOPT_MINOFF;
memcpy(optlist + 4, gwlist, i);
- if ((setsockopt(sndsock, pe->p_proto, IP_OPTIONS,
+ if ((setsockopt(sndsock, IPPROTO_IP, IP_OPTIONS,
(char *)optlist, i + sizeof(gwlist[0]))) < 0) {
bb_perror_msg_and_die("IP_OPTIONS");
- }
+ }
}
#endif /* IP_OPTIONS */
#endif /* CONFIG_FEATURE_TRACEROUTE_SOURCE_ROUTE */