/*
* Utility routines.
*
- * create raw socket for icmp protocol test permision
- * and drop root privilegies if running setuid
+ * create raw socket for icmp protocol
+ * and drop root privileges if running setuid
*
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
-#include <sys/types.h>
-#include <netdb.h>
-#include <sys/socket.h>
-#include <errno.h>
-#include <unistd.h>
#include "libbb.h"
-int create_icmp_socket(void)
+int FAST_FUNC create_icmp_socket(void)
{
- struct protoent *proto;
int sock;
-
+#if 0
+ struct protoent *proto;
proto = getprotobyname("icmp");
/* if getprotobyname failed, just silently force
* proto->p_proto to have the correct value for "icmp" */
- if ((sock = socket(AF_INET, SOCK_RAW,
- (proto ? proto->p_proto : 1))) < 0) { /* 1 == ICMP */
+ sock = socket(AF_INET, SOCK_RAW,
+ (proto ? proto->p_proto : 1)); /* 1 == ICMP */
+#else
+ sock = socket(AF_INET, SOCK_RAW, 1); /* 1 == ICMP */
+#endif
+ if (sock < 0) {
if (errno == EPERM)
- error_msg_and_die("permission denied. (are you root?)");
- else
- perror_msg_and_die(can_not_create_raw_socket);
+ bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
+ bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
}
/* drop root privs if running setuid */
- setuid(getuid());
+ xsetuid(getuid());
return sock;
}