//usage: "\n (after all -c CNT packets are sent)"
//usage: "\n -w SEC Seconds until ping exits (default:infinite)"
//usage: "\n (can exit earlier with -c CNT)"
-//usage: "\n -q Quiet, only displays output at start"
+//usage: "\n -q Quiet, only display output at start"
//usage: "\n and when finished"
+//usage: "\n -p Pattern to use for payload"
//usage:
//usage:# define ping6_trivial_usage
//usage: "[OPTIONS] HOST"
//usage: "\n -c CNT Send only CNT pings"
//usage: "\n -s SIZE Send SIZE data bytes in packets (default:56)"
//usage: "\n -I IFACE/IP Use interface or IP address as source"
-//usage: "\n -q Quiet, only displays output at start"
+//usage: "\n -q Quiet, only display output at start"
//usage: "\n and when finished"
+//usage: "\n -p Pattern to use for payload"
//usage:
//usage:#endif
//usage:
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
- setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt));
+ setsockopt_int(pingsock, SOL_RAW, IPV6_CHECKSUM, sockopt);
xsendto(pingsock, G.packet, DEFDATALEN + sizeof(struct icmp6_hdr), &lsa->u.sa, lsa->len);
/* Full(er) version */
-#define OPT_STRING ("qvc:s:t:w:W:I:n4" IF_PING6("6"))
+#define OPT_STRING ("qvc:s:t:w:W:I:np:4" IF_PING6("6"))
enum {
OPT_QUIET = 1 << 0,
OPT_VERBOSE = 1 << 1,
OPT_W = 1 << 6,
OPT_I = 1 << 7,
/*OPT_n = 1 << 8, - ignored */
- OPT_IPV4 = 1 << 9,
- OPT_IPV6 = (1 << 10) * ENABLE_PING6,
+ OPT_p = 1 << 9,
+ OPT_IPV4 = 1 << 10,
+ OPT_IPV6 = (1 << 11) * ENABLE_PING6,
};
unsigned opt_ttl;
unsigned long ntransmitted, nreceived, nrepeats;
uint16_t myid;
+ uint8_t pattern;
unsigned tmin, tmax; /* in us */
unsigned long long tsum; /* in us, sum of all times */
unsigned deadline;
struct sockaddr_in6 sin6;
#endif
} pingaddr;
- char rcvd_tbl[MAX_DUP_CHK / 8];
+ unsigned char rcvd_tbl[MAX_DUP_CHK / 8];
} FIX_ALIASING;
#define G (*(struct globals*)&bb_common_bufsiz1)
#define if_index (G.if_index )
#define dotted (G.dotted )
#define pingaddr (G.pingaddr )
#define rcvd_tbl (G.rcvd_tbl )
-void BUG_ping_globals_too_big(void);
#define INIT_G() do { \
- if (sizeof(G) > COMMON_BUFSIZE) \
- BUG_ping_globals_too_big(); \
+ BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
datalen = DEFDATALEN; \
timeout = MAXWAIT; \
tmin = UINT_MAX; \
} while (0)
-#define A(bit) rcvd_tbl[(bit)>>3] /* identify byte in array */
-#define B(bit) (1 << ((bit) & 0x07)) /* identify bit in byte */
-#define SET(bit) (A(bit) |= B(bit))
-#define CLR(bit) (A(bit) &= (~B(bit)))
-#define TST(bit) (A(bit) & B(bit))
-
-/**************************************************************************/
+#define BYTE(bit) rcvd_tbl[(bit)>>3]
+#define MASK(bit) (1 << ((bit) & 7))
+#define SET(bit) (BYTE(bit) |= MASK(bit))
+#define CLR(bit) (BYTE(bit) &= (~MASK(bit)))
+#define TST(bit) (BYTE(bit) & MASK(bit))
static void print_stats_and_exit(int junk) NORETURN;
static void print_stats_and_exit(int junk UNUSED_PARAM)
{
struct icmp *pkt = G.snd_packet;
- //memset(pkt, 0, datalen + ICMP_MINLEN + 4); - G.snd_packet was xzalloced
+ memset(pkt, G.pattern, datalen + ICMP_MINLEN + 4);
pkt->icmp_type = ICMP_ECHO;
/*pkt->icmp_code = 0;*/
pkt->icmp_cksum = 0; /* cksum is calculated with this field set to 0 */
{
struct icmp6_hdr *pkt = G.snd_packet;
- //memset(pkt, 0, datalen + sizeof(struct icmp6_hdr) + 4);
+ memset(pkt, G.pattern, datalen + sizeof(struct icmp6_hdr) + 4);
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
/*pkt->icmp6_code = 0;*/
/*pkt->icmp6_cksum = 0;*/
pkt->icmp6_id = myid;
/*if (datalen >= 4)*/
- *(uint32_t*)(&pkt->icmp6_data8[4]) = monotonic_us();
+ *(bb__aliased_uint32_t*)(&pkt->icmp6_data8[4]) = monotonic_us();
//TODO? pkt->icmp_cksum = inet_cksum(...);
const char *from_str,
uint16_t recv_seq, int ttl)
{
+ unsigned char *b, m;
const char *dupmsg = " (DUP!)";
unsigned triptime = triptime; /* for gcc */
- ++G.nreceived;
-
if (tp) {
/* (int32_t) cast is for hypothetical 64-bit unsigned */
/* (doesn't hurt 32-bit real-world anyway) */
tmax = triptime;
}
- if (TST(recv_seq % MAX_DUP_CHK)) {
+ b = &BYTE(recv_seq % MAX_DUP_CHK);
+ m = MASK(recv_seq % MAX_DUP_CHK);
+ /*if TST(recv_seq % MAX_DUP_CHK):*/
+ if (*b & m) {
++G.nrepeats;
- --G.nreceived;
} else {
- SET(recv_seq % MAX_DUP_CHK);
+ /*SET(recv_seq % MAX_DUP_CHK):*/
+ *b |= m;
+ ++G.nreceived;
dupmsg += 7;
}
/* set recv buf (needed if we can get lots of responses: flood ping,
* broadcast ping etc) */
sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */
- setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
+ setsockopt_SOL_SOCKET_int(pingsock, SO_RCVBUF, sockopt);
if (opt_ttl != 0) {
- setsockopt(pingsock, IPPROTO_IP, IP_TTL, &opt_ttl, sizeof(opt_ttl));
+ setsockopt_int(pingsock, IPPROTO_IP, IP_TTL, opt_ttl);
/* above doesnt affect packets sent to bcast IP, so... */
- setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl));
+ setsockopt_int(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, opt_ttl);
}
signal(SIGINT, print_stats_and_exit);
}
}
#if ENABLE_PING6
-extern int BUG_bad_offsetof_icmp6_cksum(void);
static void ping6(len_and_sockaddr *lsa)
{
int sockopt;
}
if (setsockopt(pingsock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
sizeof(filt)) < 0)
- bb_error_msg_and_die("setsockopt(ICMP6_FILTER)");
+ bb_error_msg_and_die("setsockopt(%s)", "ICMP6_FILTER");
}
#endif /*ICMP6_FILTER*/
/* set recv buf (needed if we can get lots of responses: flood ping,
* broadcast ping etc) */
sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */
- setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
+ setsockopt_SOL_SOCKET_int(pingsock, SO_RCVBUF, sockopt);
sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
- if (offsetof(struct icmp6_hdr, icmp6_cksum) != 2)
- BUG_bad_offsetof_icmp6_cksum();
- setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt));
+ BUILD_BUG_ON(offsetof(struct icmp6_hdr, icmp6_cksum) != 2);
+ setsockopt_int(pingsock, SOL_RAW, IPV6_CHECKSUM, sockopt);
/* request ttl info to be returned in ancillary data */
- setsockopt(pingsock, SOL_IPV6, IPV6_HOPLIMIT, &const_int_1, sizeof(const_int_1));
+ setsockopt_1(pingsock, SOL_IPV6, IPV6_HOPLIMIT);
if (if_index)
pingaddr.sin6.sin6_scope_id = if_index;
static int common_ping_main(int opt, char **argv)
{
len_and_sockaddr *lsa;
- char *str_s;
+ char *str_s, *str_p;
INIT_G();
/* exactly one argument needed; -v and -q don't mix; -c NUM, -t NUM, -w NUM, -W NUM */
opt_complementary = "=1:q--v:v--q:c+:t+:w+:W+";
- opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I);
+ opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I, &str_p);
if (opt & OPT_s)
datalen = xatou16(str_s); // -s
if (opt & OPT_I) { // -I
str_I = NULL; /* don't try to bind to device later */
}
}
+ if (opt & OPT_p)
+ G.pattern = xstrtou_range(str_p, 16, 0, 255);
+
myid = (uint16_t) getpid();
hostname = argv[optind];
#if ENABLE_PING6
projects / oweals / busybox.git / blobdiff