*/
//usage:#define traceroute_trivial_usage
-//usage: "[-"IF_TRACEROUTE6("46")"FIldnrv] [-f 1ST_TTL] [-m MAXTTL] [-p PORT] [-q PROBES]\n"
-//usage: " [-s SRC_IP] [-t TOS] [-w WAIT_SEC] [-g GATEWAY] [-i IFACE]\n"
+//usage: "[-"IF_TRACEROUTE6("46")"FIlnrv] [-f 1ST_TTL] [-m MAXTTL] [-q PROBES] [-p PORT]\n"
+//usage: " [-t TOS] [-w WAIT_SEC]"
+//usage: IF_FEATURE_TRACEROUTE_SOURCE_ROUTE(" [-g GATEWAY]")" [-s SRC_IP] [-i IFACE]\n"
//usage: " [-z PAUSE_MSEC] HOST [BYTES]"
//usage:#define traceroute_full_usage "\n\n"
//usage: "Trace the route to HOST\n"
//usage: IF_TRACEROUTE6(
//usage: "\n -4,-6 Force IP or IPv6 name resolution"
//usage: )
-//usage: "\n -F Set the don't fragment bit"
+//usage: "\n -F Set don't fragment bit"
+//usage: IF_FEATURE_TRACEROUTE_USE_ICMP(
//usage: "\n -I Use ICMP ECHO instead of UDP datagrams"
-//usage: "\n -l Display the TTL value of the returned packet"
-//usage: "\n -d Set SO_DEBUG options to socket"
+//usage: )
+//usage: "\n -l Display TTL value of the returned packet"
+//Currently disabled (TRACEROUTE_SO_DEBUG==0)
+////usage: "\n -d Set SO_DEBUG options to socket"
//usage: "\n -n Print numeric addresses"
//usage: "\n -r Bypass routing tables, send directly to HOST"
+//usage: IF_FEATURE_TRACEROUTE_VERBOSE(
//usage: "\n -v Verbose"
-//usage: "\n -m Max time-to-live (max number of hops)"
-//usage: "\n -p Base UDP port number used in probes"
+//usage: )
+//usage: "\n -f N First number of hops (default 1)"
+//usage: "\n -m N Max number of hops"
+//usage: "\n -q N Number of probes per hop (default 3)"
+//usage: "\n -p N Base UDP port number used in probes"
//usage: "\n (default 33434)"
-//usage: "\n -q Number of probes per TTL (default 3)"
-//usage: "\n -s IP address to use as the source address"
-//usage: "\n -t Type-of-service in probe packets (default 0)"
-//usage: "\n -w Time in seconds to wait for a response (default 3)"
-//usage: "\n -g Loose source route gateway (8 max)"
+//usage: "\n -s IP Source address"
+//usage: "\n -i IFACE Source interface"
+//usage: "\n -t N Type-of-service in probe packets (default 0)"
+//usage: "\n -w SEC Time to wait for a response (default 3)"
+//usage: "\n -g IP Loose source route gateway (8 max)"
//usage:
//usage:#define traceroute6_trivial_usage
-//usage: "[-dnrv] [-m MAXTTL] [-p PORT] [-q PROBES]\n"
-//usage: " [-s SRC_IP] [-t TOS] [-w WAIT_SEC] [-i IFACE]\n"
+//usage: "[-nrv] [-m MAXTTL] [-q PROBES] [-p PORT]\n"
+//usage: " [-t TOS] [-w WAIT_SEC] [-s SRC_IP] [-i IFACE]\n"
//usage: " HOST [BYTES]"
//usage:#define traceroute6_full_usage "\n\n"
//usage: "Trace the route to HOST\n"
-//usage: "\n -d Set SO_DEBUG options to socket"
+//Currently disabled (TRACEROUTE_SO_DEBUG==0)
+////usage: "\n -d Set SO_DEBUG options to socket"
//usage: "\n -n Print numeric addresses"
//usage: "\n -r Bypass routing tables, send directly to HOST"
+//usage: IF_FEATURE_TRACEROUTE_VERBOSE(
//usage: "\n -v Verbose"
-//usage: "\n -m Max time-to-live (max number of hops)"
-//usage: "\n -p Base UDP port number used in probes"
-//usage: "\n (default is 33434)"
-//usage: "\n -q Number of probes per TTL (default 3)"
-//usage: "\n -s IP address to use as the source address"
-//usage: "\n -t Type-of-service in probe packets (default 0)"
-//usage: "\n -w Time in seconds to wait for a response (default 3)"
+//usage: )
+//usage: "\n -m N Max number of hops"
+//usage: "\n -q N Number of probes per hop (default 3)"
+//usage: "\n -p N Base UDP port number used in probes"
+//usage: "\n (default 33434)"
+//usage: "\n -s IP Source address"
+//usage: "\n -i IFACE Source interface"
+//usage: "\n -t N Type-of-service in probe packets (default 0)"
+//usage: "\n -w SEC Time wait for a response (default 3)"
#define TRACEROUTE_SO_DEBUG 0
-/* TODO: undefs were uncommented - ??! we have config system for that! */
-/* probably ok to remove altogether */
-//#undef CONFIG_FEATURE_TRACEROUTE_VERBOSE
-//#define CONFIG_FEATURE_TRACEROUTE_VERBOSE
-//#undef CONFIG_FEATURE_TRACEROUTE_SOURCE_ROUTE
-//#define CONFIG_FEATURE_TRACEROUTE_SOURCE_ROUTE
-//#undef CONFIG_FEATURE_TRACEROUTE_USE_ICMP
-//#define CONFIG_FEATURE_TRACEROUTE_USE_ICMP
-
-
#include <net/if.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#define outudp ((struct udphdr *)(outip + 1))
-/* libbb candidate? tftp uses this idiom too */
-static len_and_sockaddr* dup_sockaddr(const len_and_sockaddr *lsa)
-{
- len_and_sockaddr *new_lsa = xzalloc(LSA_LEN_SIZE + lsa->len);
- memcpy(new_lsa, lsa, LSA_LEN_SIZE + lsa->len);
- return new_lsa;
-}
-
-
static int
wait_for_reply(len_and_sockaddr *from_lsa, struct sockaddr *to, unsigned *timestamp_us, int *left_ms)
{
#if ENABLE_TRACEROUTE6
if (dest_lsa->u.sa.sa_family == AF_INET6) {
- res = setsockopt(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
- if (res < 0)
- bb_perror_msg_and_die("setsockopt UNICAST_HOPS %d", ttl);
+ res = setsockopt_int(sndsock, SOL_IPV6, IPV6_UNICAST_HOPS, ttl);
+ if (res != 0)
+ bb_perror_msg_and_die("setsockopt(%s) %d", "UNICAST_HOPS", ttl);
out = outip;
len = packlen;
} else
#endif
{
#if defined IP_TTL
- res = setsockopt(sndsock, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
- if (res < 0)
- bb_perror_msg_and_die("setsockopt ttl %d", ttl);
+ res = setsockopt_int(sndsock, IPPROTO_IP, IP_TTL, ttl);
+ if (res != 0)
+ bb_perror_msg_and_die("setsockopt(%s) %d", "TTL", ttl);
#endif
out = outicmp;
len = packlen - sizeof(*outip);
res = xsendto(sndsock, out, len, &dest_lsa->u.sa, dest_lsa->len);
if (res != len)
- bb_info_msg("sent %d octets, ret=%d", len, res);
+ bb_error_msg("sent %d octets, ret=%d", len, res);
}
#if ENABLE_FEATURE_TRACEROUTE_VERBOSE
common_traceroute_main(int op, char **argv)
{
int minpacket;
+#ifdef IP_TOS
int tos = 0;
+#endif
int max_ttl = 30;
int nprobes = 3;
int first_ttl = 1;
char *waittime_str;
char *pausemsecs_str;
char *first_ttl_str;
+ char *dest_str;
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
llist_t *source_route_list = NULL;
int lsrr = 0;
if (op & OPT_IP_CHKSUM)
bb_error_msg("warning: ip checksums disabled");
#endif
+#ifdef IP_TOS
if (op & OPT_TOS)
tos = xatou_range(tos_str, 0, 255);
+#endif
if (op & OPT_MAX_TTL)
max_ttl = xatou_range(max_ttl_str, 1, 255);
if (op & OPT_PORT)
if (af == AF_INET6) {
xmove_fd(xsocket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6), rcvsock);
# ifdef IPV6_RECVPKTINFO
- setsockopt(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO,
- &const_int_1, sizeof(const_int_1));
- setsockopt(rcvsock, SOL_IPV6, IPV6_2292PKTINFO,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_1(rcvsock, SOL_IPV6, IPV6_RECVPKTINFO);
+ setsockopt_1(rcvsock, SOL_IPV6, IPV6_2292PKTINFO);
# else
- setsockopt(rcvsock, SOL_IPV6, IPV6_PKTINFO,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_1(rcvsock, SOL_IPV6, IPV6_PKTINFO);
# endif
} else
#endif
#if TRACEROUTE_SO_DEBUG
if (op & OPT_DEBUG)
- setsockopt(rcvsock, SOL_SOCKET, SO_DEBUG,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_SOL_SOCKET_1(rcvsock, SO_DEBUG);
#endif
if (op & OPT_BYPASS_ROUTE)
- setsockopt(rcvsock, SOL_SOCKET, SO_DONTROUTE,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_SOL_SOCKET_1(rcvsock, SO_DONTROUTE);
#if ENABLE_TRACEROUTE6
if (af == AF_INET6) {
- static const int two = 2;
- if (setsockopt(rcvsock, SOL_RAW, IPV6_CHECKSUM, &two, sizeof(two)) < 0)
- bb_perror_msg_and_die("setsockopt RAW_CHECKSUM");
+ if (setsockopt_int(rcvsock, SOL_RAW, IPV6_CHECKSUM, 2) != 0)
+ bb_perror_msg_and_die("setsockopt(%s)", "IPV6_CHECKSUM");
xmove_fd(xsocket(af, SOCK_DGRAM, 0), sndsock);
} else
#endif
}
#ifdef SO_SNDBUF
- if (setsockopt(sndsock, SOL_SOCKET, SO_SNDBUF, &packlen, sizeof(packlen)) < 0) {
- bb_perror_msg_and_die("SO_SNDBUF");
+ if (setsockopt_SOL_SOCKET_int(sndsock, SO_SNDBUF, packlen) != 0) {
+ bb_perror_msg_and_die("setsockopt(%s)", "SO_SNDBUF");
}
#endif
#ifdef IP_TOS
- if ((op & OPT_TOS) && setsockopt(sndsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0) {
- bb_perror_msg_and_die("setsockopt tos %d", tos);
+ if ((op & OPT_TOS) && setsockopt_int(sndsock, IPPROTO_IP, IP_TOS, tos) != 0) {
+ bb_perror_msg_and_die("setsockopt(%s) %d", "TOS", tos);
}
#endif
#ifdef IP_DONTFRAG
if (op & OPT_DONT_FRAGMNT)
- setsockopt(sndsock, IPPROTO_IP, IP_DONTFRAG,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_1(sndsock, IPPROTO_IP, IP_DONTFRAG);
#endif
#if TRACEROUTE_SO_DEBUG
if (op & OPT_DEBUG)
- setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_SOL_SOCKET_1(sndsock, SO_DEBUG);
#endif
if (op & OPT_BYPASS_ROUTE)
- setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
- &const_int_1, sizeof(const_int_1));
+ setsockopt_SOL_SOCKET_1(sndsock, SO_DONTROUTE);
outip = xzalloc(packlen);
xsetgid(getgid());
xsetuid(getuid());
- printf("traceroute to %s (%s)", argv[0],
- xmalloc_sockaddr2dotted_noport(&dest_lsa->u.sa));
+ dest_str = xmalloc_sockaddr2dotted_noport(&dest_lsa->u.sa);
+ printf("traceroute to %s (%s)", argv[0], dest_str);
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ free(dest_str);
+ }
+
if (op & OPT_SOURCE)
printf(" from %s", source);
printf(", %d hops max, %d byte packets\n", max_ttl, packlen);
- from_lsa = dup_sockaddr(dest_lsa);
+ from_lsa = xmemdup(dest_lsa, LSA_LEN_SIZE + dest_lsa->len);
lastaddr = xzalloc(dest_lsa->len);
to = xzalloc(dest_lsa->len);
seq = 0;
}
}
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ free(to);
+ free(lastaddr);
+ free(from_lsa);
+ }
+
return 0;
}