#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
-#include "busybox.h"
+#include "libbb.h"
#include "inet_common.h"
/*
* UDP kernel structures and variables.
*/
-struct udpiphdr {
+struct udpiphdr {
struct ipovly ui_i; /* overlaid ip structure */
struct udphdr ui_u; /* udp header */
};
struct outdata {
unsigned char seq; /* sequence number of this packet */
unsigned char ttl; /* ttl packet left with */
- struct timeval tv ATTRIBUTE_PACKED; /* time packet left */
+// UNUSED. Retaining to have the same packet size.
+ struct timeval tv_UNUSED ATTRIBUTE_PACKED; /* time packet left */
};
struct IFADDRLIST {
};
-static const char route[] = "/proc/net/route";
-
-/* last inbound (icmp) packet */
-static unsigned char packet[512] ATTRIBUTE_ALIGNED(32);
-
static struct ip *outip; /* last output (udp) packet */
static struct udphdr *outudp; /* last output (udp) packet */
static struct outdata *outdata; /* last output (udp) packet */
static struct icmp *outicmp; /* last output (icmp) packet */
#endif
-#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
-/* Maximum number of gateways (include room for one noop) */
-#define NGATEWAYS ((int)((MAX_IPOPTLEN - IPOPT_MINOFF - 1) / sizeof(uint32_t)))
-/* loose source route gateway list (including room for final destination) */
-static uint32_t gwlist[NGATEWAYS + 1];
-#endif
-
static int s; /* receive (icmp) socket file descriptor */
static int sndsock; /* send (udp/icmp) socket file descriptor */
-static struct sockaddr_storage whereto; /* Who to try to reach */
-static struct sockaddr_storage wherefrom; /* Who we are */
static int packlen; /* total length of packet */
static int minpacket; /* min ip packet size */
static int maxpacket = 32 * 1024; /* max ip packet size */
static uint16_t port = 32768 + 666; /* start udp dest port # for probe packets */
static int waittime = 5; /* time to wait for response (in seconds) */
-static int nflag; /* print addresses numerically */
static int doipcksum = 1; /* calculate ip checksums by default */
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
#define optlen 0
#endif
+
+/* Keep in sync with getopt32 call! */
+#define OPT_DONT_FRAGMNT (1<<0) /* F */
+#define OPT_USE_ICMP (1<<1) /* I */
+#define OPT_TTL_FLAG (1<<2) /* l */
+#define OPT_ADDR_NUM (1<<3) /* n */
+#define OPT_BYPASS_ROUTE (1<<4) /* r */
+#define OPT_DEBUG (1<<5) /* d */
+#define OPT_VERBOSE (1<<6) /* v */
+#define OPT_IP_CHKSUM (1<<7) /* x */
+#define OPT_TOS (1<<8) /* t */
+#define OPT_DEVICE (1<<9) /* i */
+#define OPT_MAX_TTL (1<<10) /* m */
+#define OPT_PORT (1<<11) /* p */
+#define OPT_NPROBES (1<<12) /* q */
+#define OPT_SOURCE (1<<13) /* s */
+#define OPT_WAITTIME (1<<14) /* w */
+#define OPT_PAUSE_MS (1<<15) /* z */
+#define OPT_FIRST_TTL (1<<16) /* f */
+
#if ENABLE_FEATURE_TRACEROUTE_USE_ICMP
-static int useicmp; /* use icmp echo instead of udp packets */
+/* use icmp echo instead of udp packets */
+#define useicmp (option_mask32 & OPT_USE_ICMP)
#endif
#if ENABLE_FEATURE_TRACEROUTE_VERBOSE
-static int verbose;
+#define verbose (option_mask32 & OPT_VERBOSE)
#endif
+#define nflag (option_mask32 & OPT_ADDR_NUM)
+
+
+struct globals {
+ struct sockaddr_storage whereto; /* Who to try to reach */
+ struct sockaddr_storage wherefrom; /* Who we are */
+ /* last inbound (icmp) packet */
+ unsigned char packet[512];
+#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
+ /* Maximum number of gateways (include room for one noop) */
+#define NGATEWAYS ((int)((MAX_IPOPTLEN - IPOPT_MINOFF - 1) / sizeof(uint32_t)))
+ /* loose source route gateway list (including room for final destination) */
+ uint32_t gwlist[NGATEWAYS + 1];
+#endif
+};
+
+#define G (*ptr_to_globals)
+#define INIT_G() PTR_TO_GLOBALS = xzalloc(sizeof(G))
+#define packet (G.packet )
+#define whereto (G.whereto )
+#define wherefrom (G.wherefrom)
+#define gwlist (G.gwlist )
+
/*
* Return the interface list
static int
ifaddrlist(struct IFADDRLIST **ipaddrp)
{
+ enum { IFREQ_BUFSIZE = (32 * 1024) / sizeof(struct ifreq) };
+
int fd, nipaddr;
#ifdef HAVE_SOCKADDR_SA_LEN
int n;
struct sockaddr_in *addr_sin;
struct IFADDRLIST *al;
struct ifconf ifc;
- struct ifreq ibuf[(32 * 1024) / sizeof(struct ifreq)], ifr;
+ struct ifreq ifr;
+ /* Was on stack, but 32k is a bit too much: */
+ struct ifreq *ibuf = xmalloc(IFREQ_BUFSIZE * sizeof(ibuf[0]));
struct IFADDRLIST *st_ifaddrlist;
fd = xsocket(AF_INET, SOCK_DGRAM, 0);
- ifc.ifc_len = sizeof(ibuf);
+ ifc.ifc_len = IFREQ_BUFSIZE * sizeof(ibuf[0]);
ifc.ifc_buf = (caddr_t)ibuf;
- if (ioctl(fd, SIOCGIFCONF, (char *)&ifc) < 0 ||
- ifc.ifc_len < sizeof(struct ifreq)) {
+ if (ioctl(fd, SIOCGIFCONF, (char *)&ifc) < 0
+ || ifc.ifc_len < sizeof(struct ifreq)
+ ) {
if (errno == EINVAL)
bb_error_msg_and_die(
- "SIOCGIFCONF: ifreq struct too small (%d bytes)",
- (int)sizeof(ibuf));
- else
- bb_perror_msg_and_die("SIOCGIFCONF");
+ "SIOCGIFCONF: ifreq struct too small (%u bytes)",
+ (unsigned)(IFREQ_BUFSIZE * sizeof(ibuf[0])));
+ bb_perror_msg_and_die("SIOCGIFCONF");
}
ifrp = ibuf;
ifend = (struct ifreq *)((char *)ibuf + ifc.ifc_len);
if (strchr(al->device, ':') != NULL)
continue;
#endif
- if (ioctl(fd, SIOCGIFADDR, (char *)&ifr) < 0)
- bb_perror_msg_and_die("SIOCGIFADDR: %s", al->device);
+ ioctl_or_perror_and_die(fd, SIOCGIFADDR, (char *)&ifr,
+ "SIOCGIFADDR: %s", al->device);
addr_sin = (struct sockaddr_in *)&ifr.ifr_addr;
al->addr = addr_sin->sin_addr.s_addr;
++nipaddr;
}
if (nipaddr == 0)
- bb_error_msg_and_die ("can't find any network interfaces");
- (void)close(fd);
+ bb_error_msg_and_die("can't find any network interfaces");
+ free(ibuf);
+ close(fd);
*ipaddrp = st_ifaddrlist;
return nipaddr;
}
struct IFADDRLIST *al;
char buf[256], tdevice[256], device[256];
- f = xfopen(route, "r");
+ f = xfopen("/proc/net/route", "r");
/* Find the appropriate interface */
n = 0;
++n;
if (n == 1 && strncmp(buf, "Iface", 5) == 0)
continue;
- if ((i = sscanf(buf, "%255s %x %*s %*s %*s %*s %*s %x",
- tdevice, &dest, &tmask)) != 3)
- bb_error_msg_and_die ("junk in buffer");
- if ((to->sin_addr.s_addr & tmask) == dest &&
- (tmask > mask || mask == 0)) {
+ i = sscanf(buf, "%255s %x %*s %*s %*s %*s %*s %x",
+ tdevice, &dest, &tmask);
+ if (i != 3)
+ bb_error_msg_and_die("junk in buffer");
+ if ((to->sin_addr.s_addr & tmask) == dest
+ && (tmask > mask || mask == 0)
+ ) {
mask = tmask;
strcpy(device, tdevice);
}
fclose(f);
if (device[0] == '\0')
- bb_error_msg_and_die ("can't find interface");
+ bb_error_msg_and_die("can't find interface");
/* Get the interface address list */
n = ifaddrlist(&al);
*/
-/*
- * Subtract 2 timeval structs: out = out - in.
- * Out is assumed to be >= in.
- */
-static inline void
-tvsub(struct timeval *out, struct timeval *in)
-{
-
- if ((out->tv_usec -= in->tv_usec) < 0) {
- --out->tv_sec;
- out->tv_usec += 1000000;
- }
- out->tv_sec -= in->tv_sec;
-}
-
static int
-wait_for_reply(int sock, struct sockaddr_in *fromp, const struct timeval *tp)
+wait_for_reply(int sock, struct sockaddr_in *fromp)
{
- fd_set fds;
- struct timeval now, tvwait;
- struct timezone tz;
+ struct pollfd pfd[1];
int cc = 0;
socklen_t fromlen = sizeof(*fromp);
- FD_ZERO(&fds);
- FD_SET(sock, &fds);
-
- tvwait.tv_sec = tp->tv_sec + waittime;
- tvwait.tv_usec = tp->tv_usec;
- (void)gettimeofday(&now, &tz);
- tvsub(&tvwait, &now);
-
- if (select(sock + 1, &fds, NULL, NULL, &tvwait) > 0)
- cc = recvfrom(sock, (char *)packet, sizeof(packet), 0,
+ pfd[0].fd = sock;
+ pfd[0].events = POLLIN;
+ if (safe_poll(pfd, 1, waittime * 1000) > 0)
+ cc = recvfrom(sock, packet, sizeof(packet), 0,
(struct sockaddr *)fromp, &fromlen);
-
return cc;
}
static void
-send_probe(int seq, int ttl, struct timeval *tp)
+send_probe(int seq, int ttl)
{
int cc;
struct udpiphdr *ui, *oui;
/* Payload */
outdata->seq = seq;
outdata->ttl = ttl;
- memcpy(&outdata->tv, tp, sizeof(outdata->tv));
+// UNUSED: was storing gettimeofday's result there, but never ever checked it
+ /*memcpy(&outdata->tv, tp, sizeof(outdata->tv));*/
#if ENABLE_FEATURE_TRACEROUTE_USE_ICMP
if (useicmp)
}
#endif
- cc = sendto(sndsock, (char *)outip,
- packlen, 0, (struct sockaddr *)&whereto, sizeof(whereto));
- if (cc < 0 || cc != packlen) {
- if (cc < 0)
- bb_perror_msg_and_die("sendto");
- printf("%s: wrote %s %d chars, ret=%d\n",
- applet_name, hostname, packlen, cc);
- (void)fflush(stdout);
+ cc = xsendto(sndsock, (char *)outip,
+ packlen, (struct sockaddr *)&whereto, sizeof(whereto));
+ if (cc != packlen) {
+ bb_info_msg("wrote %s %d chars, ret=%d", hostname, packlen, cc);
}
}
-static inline double
-deltaT(struct timeval *t1p, struct timeval *t2p)
-{
- double dt;
-
- dt = (double)(t2p->tv_sec - t1p->tv_sec) * 1000.0 +
- (double)(t2p->tv_usec - t1p->tv_usec) / 1000.0;
- return dt;
-}
-
#if ENABLE_FEATURE_TRACEROUTE_VERBOSE
/*
* Convert an ICMP "type" field to a printable string.
static inline const char *
pr_type(unsigned char t)
{
- static const char * const ttab[] = {
+ static const char *const ttab[] = {
"Echo Reply", "ICMP 1", "ICMP 2", "Dest Unreachable",
"Source Quench", "Redirect", "ICMP 6", "ICMP 7",
"Echo", "Router Advert", "Router Solicit", "Time Exceeded",
"%s: icmp type %d (%s) code %d\n",
cc, inet_ntoa(from->sin_addr),
inet_ntoa(ip->ip_dst), type, pr_type(type), icp->icmp_code);
- for (i = 4; i < cc ; i += sizeof(*lp))
+ for (i = 4; i < cc; i += sizeof(*lp))
printf("%2d: x%8.8x\n", i, *lp++);
}
#endif
* numeric value, otherwise try for symbolic name.
*/
static inline void
-inetname(struct sockaddr_in *from)
+print_inetname(struct sockaddr_in *from)
{
- const char *n = NULL;
const char *ina;
- char name[257];
- if (!nflag && from->sin_addr.s_addr != INADDR_ANY) {
- if (INET_rresolve(name, sizeof(name), from, 0x4000,
- 0xffffffff) >= 0)
- n = name;
- }
ina = inet_ntoa(from->sin_addr);
if (nflag)
printf(" %s", ina);
- else
+ else {
+ char *n = NULL;
+ if (from->sin_addr.s_addr != INADDR_ANY)
+ n = xmalloc_sockaddr2host_noport((struct sockaddr*)from);
printf(" %s (%s)", (n ? n : ina), ina);
+ free(n);
+ }
}
static inline void
hlen = ip->ip_hl << 2;
cc -= hlen;
- inetname(from);
+ print_inetname(from);
#if ENABLE_FEATURE_TRACEROUTE_VERBOSE
if (verbose)
- printf(" %d bytes to %s", cc, inet_ntoa (ip->ip_dst));
+ printf(" %d bytes to %s", cc, inet_ntoa(ip->ip_dst));
#endif
}
freehostinfo(struct hostinfo *hi)
{
free(hi->name);
- hi->name = NULL;
- free((char *)hi->addrs);
- free((char *)hi);
+ free(hi->addrs);
+ free(hi);
}
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
}
#endif
+static void
+print_delta_ms(unsigned t1p, unsigned t2p)
+{
+ unsigned tt = t2p - t1p;
+ printf(" %u.%03u ms", tt/1000, tt%1000);
+}
-int
-traceroute_main(int argc, char *argv[])
+int traceroute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int traceroute_main(int argc, char **argv)
{
int code, n;
unsigned char *outp;
uint32_t *ap;
- struct sockaddr_in *from = (struct sockaddr_in *)&wherefrom;
- struct sockaddr_in *to = (struct sockaddr_in *)&whereto;
+ struct sockaddr_in *from;
+ struct sockaddr_in *to;
struct hostinfo *hi;
int ttl, probe, i;
int seq = 0;
int tos = 0;
- char *tos_str = NULL;
- char *source = NULL;
- unsigned long op;
-
+ char *tos_str;
+ char *source;
+ unsigned op;
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
int lsrr = 0;
#endif
uint16_t off = 0;
struct IFADDRLIST *al;
- char *device = NULL;
+ char *device;
int max_ttl = 30;
- char *max_ttl_str = NULL;
- char *port_str = NULL;
+ char *max_ttl_str;
+ char *port_str;
int nprobes = 3;
- char *nprobes_str = NULL;
- char *waittime_str = NULL;
+ char *nprobes_str;
+ char *waittime_str;
unsigned pausemsecs = 0;
- char *pausemsecs_str = NULL;
+ char *pausemsecs_str;
int first_ttl = 1;
- char *first_ttl_str = NULL;
+ char *first_ttl_str;
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
- llist_t *sourse_route_list = NULL;
+ llist_t *source_route_list = NULL;
#endif
- opterr = 0;
+ INIT_G();
+ from = (struct sockaddr_in *)&wherefrom;
+ to = (struct sockaddr_in *)&whereto;
+
+ //opterr = 0;
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
opt_complementary = "x-x:g::";
#else
opt_complementary = "x-x";
#endif
- op = getopt32(argc, argv, "FIlnrdvxt:i:m:p:q:s:w:z:f:"
-#define USAGE_OP_DONT_FRAGMNT (1<<0) /* F */
-#define USAGE_OP_USE_ICMP (1<<1) /* I */
-#define USAGE_OP_TTL_FLAG (1<<2) /* l */
-#define USAGE_OP_ADDR_NUM (1<<3) /* n */
-#define USAGE_OP_BYPASS_ROUTE (1<<4) /* r */
-#define USAGE_OP_DEBUG (1<<5) /* d */
-#define USAGE_OP_VERBOSE (1<<6) /* v */
-#define USAGE_OP_IP_CHKSUM (1<<7) /* x */
-
+ op = getopt32(argv, "FIlnrdvxt:i:m:p:q:s:w:z:f:"
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
"g:"
#endif
- , &tos_str, &device, &max_ttl_str, &port_str, &nprobes_str,
- &source, &waittime_str, &pausemsecs_str, &first_ttl_str
+ , &tos_str, &device, &max_ttl_str, &port_str, &nprobes_str
+ , &source, &waittime_str, &pausemsecs_str, &first_ttl_str
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
- , &sourse_route_list
+ , &source_route_list
#endif
);
- if (op & USAGE_OP_DONT_FRAGMNT)
+ if (op & OPT_DONT_FRAGMNT)
off = IP_DF;
-#if ENABLE_FEATURE_TRACEROUTE_USE_ICMP
- useicmp = op & USAGE_OP_USE_ICMP;
-#endif
- nflag = op & USAGE_OP_ADDR_NUM;
-#if ENABLE_FEATURE_TRACEROUTE_VERBOSE
- verbose = op & USAGE_OP_VERBOSE;
-#endif
- if (op & USAGE_OP_IP_CHKSUM) {
+ if (op & OPT_IP_CHKSUM) {
doipcksum = 0;
bb_error_msg("warning: ip checksums disabled");
}
- if (tos_str)
- tos = xatoul_range(tos_str, 0, 255);
- if (max_ttl_str)
- max_ttl = xatoul_range(max_ttl_str, 1, 255);
- if (port_str)
+ if (op & OPT_TOS)
+ tos = xatou_range(tos_str, 0, 255);
+ if (op & OPT_MAX_TTL)
+ max_ttl = xatou_range(max_ttl_str, 1, 255);
+ if (op & OPT_PORT)
port = xatou16(port_str);
- if (nprobes_str)
- nprobes = xatoul_range(nprobes_str, 1, INT_MAX);
- if (source) {
+ if (op & OPT_NPROBES)
+ nprobes = xatou_range(nprobes_str, 1, INT_MAX);
+ if (op & OPT_SOURCE) {
/*
* set the ip source address of the outbound
* probe (e.g., on a multi-homed host).
*/
- if (getuid()) bb_error_msg_and_die("-s %s: permission denied", source);
+ if (getuid())
+ bb_error_msg_and_die("-s %s: permission denied", source);
}
- if (waittime_str)
- waittime = xatoul_range(waittime_str, 2, 24 * 60 * 60);
- if (pausemsecs_str)
- pausemsecs = xatoul_range(pausemsecs_str, 0, 60 * 60 * 1000);
- if (first_ttl_str)
- first_ttl = xatoul_range(first_ttl_str, 1, 255);
+ if (op & OPT_WAITTIME)
+ waittime = xatou_range(waittime_str, 2, 24 * 60 * 60);
+ if (op & OPT_PAUSE_MS)
+ pausemsecs = xatou_range(pausemsecs_str, 0, 60 * 60 * 1000);
+ if (op & OPT_FIRST_TTL)
+ first_ttl = xatou_range(first_ttl_str, 1, 255);
#if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE
- if (sourse_route_list) {
+ if (source_route_list) {
llist_t *l_sr;
- for (l_sr = sourse_route_list; l_sr; ) {
+ l_sr = source_route_list;
+ while (l_sr) {
if (lsrr >= NGATEWAYS)
bb_error_msg_and_die("no more than %d gateways", NGATEWAYS);
getaddr(gwlist + lsrr, l_sr->data);
++lsrr;
l_sr = l_sr->link;
- free(sourse_route_list);
- sourse_route_list = l_sr;
+ free(source_route_list);
+ source_route_list = l_sr;
}
optlen = (lsrr + 1) * sizeof(gwlist[0]);
}
s = xsocket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
#if TRACEROUTE_SO_DEBUG
- if (op & USAGE_OP_DEBUG)
+ if (op & OPT_DEBUG)
setsockopt(s, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
#endif
- if (op & USAGE_OP_BYPASS_ROUTE)
+ if (op & OPT_BYPASS_ROUTE)
setsockopt(s, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
#endif
#endif
#if TRACEROUTE_SO_DEBUG
- if (op & USAGE_OP_DEBUG)
+ if (op & OPT_DEBUG)
setsockopt(sndsock, SOL_SOCKET, SO_DEBUG,
&const_int_1, sizeof(const_int_1));
#endif
- if (op & USAGE_OP_BYPASS_ROUTE)
+ if (op & OPT_BYPASS_ROUTE)
setsockopt(sndsock, SOL_SOCKET, SO_DONTROUTE,
&const_int_1, sizeof(const_int_1));
n = ifaddrlist(&al);
/* Look for a specific device */
- if (device != NULL) {
+ if (op & OPT_DEVICE) {
for (i = n; i > 0; --i, ++al)
if (strcmp(device, al->device) == 0)
- break;
- if (i <= 0) {
- bb_error_msg_and_die("can't find interface %s", device);
- }
+ goto found_dev;
+ bb_error_msg_and_die("can't find interface %s", device);
}
+ found_dev:
/* Determine our source address */
- if (source == NULL) {
+ if (!(op & OPT_SOURCE)) {
/*
* If a device was specified, use the interface address.
* Otherwise, try to determine our source address.
*/
- if (device != NULL)
+ if (op & OPT_DEVICE)
setsin(from, al->addr);
findsaddr(to, from);
} else {
* Otherwise, use the first address (and warn if
* there are more than one).
*/
- if (device != NULL) {
+ if (op & OPT_DEVICE) {
for (i = hi->n, ap = hi->addrs; i > 0; --i, ++ap)
if (*ap == al->addr)
- break;
- if (i <= 0) {
- bb_error_msg_and_die(
- "%s is not on interface %s",
- source, device);
- }
+ goto found_dev2;
+ bb_error_msg_and_die("%s is not on interface %s",
+ source, device);
+ found_dev2:
setsin(from, *ap);
} else {
setsin(from, hi->addrs[0]);
if (hi->n > 1)
bb_error_msg(
- "Warning: %s has multiple addresses; using %s",
+ "warning: %s has multiple addresses; using %s",
source, inet_ntoa(from->sin_addr));
}
freehostinfo(hi);
xbind(sndsock, (struct sockaddr *)from, sizeof(*from));
#endif
- fprintf(stderr, "traceroute to %s (%s)", hostname, inet_ntoa(to->sin_addr));
- if (source)
- fprintf(stderr, " from %s", source);
- fprintf(stderr, ", %d hops max, %d byte packets\n", max_ttl, packlen);
- (void)fflush(stderr);
+ printf("traceroute to %s (%s)", hostname, inet_ntoa(to->sin_addr));
+ if (op & OPT_SOURCE)
+ printf(" from %s", source);
+ printf(", %d hops max, %d byte packets\n", max_ttl, packlen);
+ fflush(stdout);
for (ttl = first_ttl; ttl <= max_ttl; ++ttl) {
uint32_t lastaddr = 0;
printf("%2d ", ttl);
for (probe = 0; probe < nprobes; ++probe) {
int cc;
- struct timeval t1, t2;
- struct timezone tz;
+ unsigned t1;
+ unsigned t2;
struct ip *ip;
if (sentfirst && pausemsecs > 0)
usleep(pausemsecs * 1000);
- (void)gettimeofday(&t1, &tz);
- send_probe(++seq, ttl, &t1);
+ t1 = monotonic_us();
+ send_probe(++seq, ttl);
++sentfirst;
- while ((cc = wait_for_reply(s, from, &t1)) != 0) {
- (void)gettimeofday(&t2, &tz);
+ while ((cc = wait_for_reply(s, from)) != 0) {
+ t2 = monotonic_us();
i = packet_ok(packet, cc, from, seq);
/* Skip short packet */
if (i == 0)
lastaddr = from->sin_addr.s_addr;
++gotlastaddr;
}
- printf(" %.3f ms", deltaT(&t1, &t2));
+ print_delta_ms(t1, t2);
ip = (struct ip *)packet;
- if (op & USAGE_OP_TTL_FLAG)
+ if (op & OPT_TTL_FLAG)
printf(" (%d)", ip->ip_ttl);
if (i == -2) {
if (ip->ip_ttl <= 1)
printf(" *");
(void)fflush(stdout);
}
- putchar('\n');
+ bb_putchar('\n');
if (got_there ||
(unreachable > 0 && unreachable >= nprobes - 1))
break;