ping: split the visual part of -f into a new option -.
After this, we'll be able to ping a host and not spam the terminal, and no flooding will have to be involved. I've been doing this under Linux as ping -fi1 host. Reviewed by: rpokala, Pau Amma Differential Revision: https://reviews.freebsd.org/D34882
This commit is contained in:
Piotr Pawel Stefaniak
parent
0a5c04a892
commit
d399eb3ef7
@ -40,7 +40,7 @@
|
||||
#else
|
||||
#define PING4ADDOPTS
|
||||
#endif
|
||||
#define PING4OPTS "4AaC:c:DdfG:g:Hh:I:i:Ll:M:m:nop:QqRrS:s:T:t:vW:z:" PING4ADDOPTS
|
||||
#define PING4OPTS ".::4AaC:c:DdfG:g:Hh:I:i:Ll:M:m:nop:QqRrS:s:T:t:vW:z:" PING4ADDOPTS
|
||||
|
||||
#if defined(INET6) && defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
|
||||
#define PING6ADDOPTS "P:"
|
||||
@ -49,7 +49,7 @@
|
||||
#else
|
||||
#define PING6ADDOPTS
|
||||
#endif
|
||||
#define PING6OPTS "6Aab:C:c:Dde:fHI:i:k:l:m:nNoOp:qS:s:t:uvyYW:z:" PING6ADDOPTS
|
||||
#define PING6OPTS ".::6Aab:C:c:Dde:fHI:i:k:l:m:nNoOp:qS:s:t:uvyYW:z:" PING6ADDOPTS
|
||||
|
||||
void usage(void) __dead2;
|
||||
|
||||
|
||||
@ -41,6 +41,7 @@ packets to network hosts
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Op Fl 4AaDdfHnoQqRrv
|
||||
.Op Fl .\& Ns Ar chars
|
||||
.Op Fl C Ar pcp
|
||||
.Op Fl c Ar count
|
||||
.Op Fl G Ar sweepmaxsize
|
||||
@ -60,6 +61,7 @@ packets to network hosts
|
||||
.Ar IPv4-host
|
||||
.Nm
|
||||
.Op Fl 4AaDdfHLnoQqRrv
|
||||
.Op Fl .\& Ns Ar chars
|
||||
.Op Fl C Ar pcp
|
||||
.Op Fl c Ar count
|
||||
.Op Fl I Ar iface
|
||||
@ -78,6 +80,7 @@ packets to network hosts
|
||||
.Ar IPv4-mcast-group
|
||||
.Nm
|
||||
.Op Fl 6AaDdEfHNnOoquvYyZ
|
||||
.Op Fl .\& Ns Ar chars
|
||||
.Op Fl b Ar bufsiz
|
||||
.Op Fl c Ar count
|
||||
.Op Fl e Ar gateway
|
||||
@ -145,6 +148,22 @@ as
|
||||
.Nm ping6 .
|
||||
.Ss Options common to both IPv4 and IPv6 targets
|
||||
.Bl -tag -width indent
|
||||
.It Fl .\& Ns Ar chars
|
||||
By default, for every
|
||||
.Tn ECHO_REQUEST
|
||||
sent, a period
|
||||
.Dq .\&
|
||||
is printed, while for every
|
||||
.Tn ECHO_REPLY
|
||||
received, a backspace is printed.
|
||||
This option takes an optional string argument listing characters
|
||||
that will be printed one by one in the provided order
|
||||
instead of the default period.
|
||||
.Pp
|
||||
Example usage:
|
||||
.Bd -literal -offset indent
|
||||
ping -.0123456789 freebsd.org
|
||||
.Ed
|
||||
.It Fl A
|
||||
Audible.
|
||||
Output a bell
|
||||
@ -188,13 +207,13 @@ option on the socket being used.
|
||||
Flood ping.
|
||||
Outputs packets as fast as they come back or one hundred times per second,
|
||||
whichever is more.
|
||||
For every
|
||||
Implies
|
||||
.Fl .\&
|
||||
to print a period for every
|
||||
.Tn ECHO_REQUEST
|
||||
sent a period
|
||||
.Dq .\&
|
||||
is printed, while for every
|
||||
sent and a backspace for every
|
||||
.Tn ECHO_REPLY
|
||||
received a backspace is printed.
|
||||
received.
|
||||
This provides a rapid display of how many packets are being dropped.
|
||||
Only the super-user may use this option.
|
||||
.Bf -emphasis
|
||||
|
||||
@ -158,6 +158,7 @@ static int options;
|
||||
#define F_SWEEP 0x200000
|
||||
#define F_WAITTIME 0x400000
|
||||
#define F_IP_VLAN_PCP 0x800000
|
||||
#define F_DOT 0x1000000
|
||||
|
||||
/*
|
||||
* MAX_DUP_CHK is the number of bits in received table, i.e. the maximum
|
||||
@ -176,7 +177,9 @@ static int srecv; /* receive socket file descriptor */
|
||||
static u_char outpackhdr[IP_MAXPACKET], *outpack;
|
||||
static char BBELL = '\a'; /* characters written for MISSED and AUDIBLE */
|
||||
static char BSPACE = '\b'; /* characters written for flood */
|
||||
static char DOT = '.';
|
||||
static const char *DOT = ".";
|
||||
static size_t DOTlen = 1;
|
||||
static size_t DOTidx = 0;
|
||||
static char *hostname;
|
||||
static char *shostname;
|
||||
static int ident; /* process id to identify our packets */
|
||||
@ -303,6 +306,13 @@ ping(int argc, char *const *argv)
|
||||
outpack = outpackhdr + sizeof(struct ip);
|
||||
while ((ch = getopt(argc, argv, PING4OPTS)) != -1) {
|
||||
switch(ch) {
|
||||
case '.':
|
||||
options |= F_DOT;
|
||||
if (optarg != NULL) {
|
||||
DOT = optarg;
|
||||
DOTlen = strlen(optarg);
|
||||
}
|
||||
break;
|
||||
case '4':
|
||||
/* This option is processed in main(). */
|
||||
break;
|
||||
@ -340,6 +350,7 @@ ping(int argc, char *const *argv)
|
||||
err(EX_NOPERM, "-f flag");
|
||||
}
|
||||
options |= F_FLOOD;
|
||||
options |= F_DOT;
|
||||
setbuf(stdout, (char *)NULL);
|
||||
break;
|
||||
case 'G': /* Maximum packet size for ping sweep */
|
||||
@ -1114,8 +1125,8 @@ pinger(void)
|
||||
}
|
||||
ntransmitted++;
|
||||
sntransmitted++;
|
||||
if (!(options & F_QUIET) && options & F_FLOOD)
|
||||
(void)write(STDOUT_FILENO, &DOT, 1);
|
||||
if (!(options & F_QUIET) && options & F_DOT)
|
||||
(void)write(STDOUT_FILENO, &DOT[DOTidx++ % DOTlen], 1);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1220,7 +1231,7 @@ pr_pack(char *buf, ssize_t cc, struct sockaddr_in *from, struct timespec *tv)
|
||||
return;
|
||||
}
|
||||
|
||||
if (options & F_FLOOD)
|
||||
if (options & F_DOT)
|
||||
(void)write(STDOUT_FILENO, &BSPACE, 1);
|
||||
else {
|
||||
(void)printf("%zd bytes from %s: icmp_seq=%u", cc,
|
||||
@ -1361,7 +1372,7 @@ pr_pack(char *buf, ssize_t cc, struct sockaddr_in *from, struct timespec *tv)
|
||||
}
|
||||
if (i == old_rrlen
|
||||
&& !bcmp((char *)cp, old_rr, i)
|
||||
&& !(options & F_FLOOD)) {
|
||||
&& !(options & F_DOT)) {
|
||||
(void)printf("\t(same route)");
|
||||
hlen -= i;
|
||||
cp += i;
|
||||
@ -1396,7 +1407,7 @@ pr_pack(char *buf, ssize_t cc, struct sockaddr_in *from, struct timespec *tv)
|
||||
(void)printf("\nunknown option %x", *cp);
|
||||
break;
|
||||
}
|
||||
if (!(options & F_FLOOD)) {
|
||||
if (!(options & F_DOT)) {
|
||||
(void)putchar('\n');
|
||||
(void)fflush(stdout);
|
||||
}
|
||||
|
||||
@ -201,6 +201,7 @@ struct tv32 {
|
||||
#define F_DONTFRAG 0x1000000
|
||||
#define F_NOUSERDATA (F_NODEADDR | F_FQDN | F_FQDNOLD | F_SUPTYPES)
|
||||
#define F_WAITTIME 0x2000000
|
||||
#define F_DOT 0x4000000
|
||||
static u_int options;
|
||||
|
||||
#define IN6LEN sizeof(struct in6_addr)
|
||||
@ -227,7 +228,9 @@ static int srecv; /* receive socket file descriptor */
|
||||
static u_char outpack[MAXPACKETLEN];
|
||||
static char BSPACE = '\b'; /* characters written for flood */
|
||||
static char BBELL = '\a'; /* characters written for AUDIBLE */
|
||||
static char DOT = '.';
|
||||
static const char *DOT = ".";
|
||||
static size_t DOTlen = 1;
|
||||
static size_t DOTidx = 0;
|
||||
static char *hostname;
|
||||
static int ident; /* process id to identify our packets */
|
||||
static u_int8_t nonce[8]; /* nonce field for node information */
|
||||
@ -352,6 +355,13 @@ ping6(int argc, char *argv[])
|
||||
|
||||
while ((ch = getopt(argc, argv, PING6OPTS)) != -1) {
|
||||
switch (ch) {
|
||||
case '.':
|
||||
options |= F_DOT;
|
||||
if (optarg != NULL) {
|
||||
DOT = optarg;
|
||||
DOTlen = strlen(optarg);
|
||||
}
|
||||
break;
|
||||
case '6':
|
||||
/* This option is processed in main(). */
|
||||
break;
|
||||
@ -437,6 +447,7 @@ ping6(int argc, char *argv[])
|
||||
errx(1, "Must be superuser to flood ping");
|
||||
}
|
||||
options |= F_FLOOD;
|
||||
options |= F_DOT;
|
||||
setbuf(stdout, (char *)NULL);
|
||||
break;
|
||||
case 'e':
|
||||
@ -1463,8 +1474,8 @@ pinger(void)
|
||||
(void)printf("ping6: wrote %s %d chars, ret=%d\n",
|
||||
hostname, cc, i);
|
||||
}
|
||||
if (!(options & F_QUIET) && options & F_FLOOD)
|
||||
(void)write(STDOUT_FILENO, &DOT, 1);
|
||||
if (!(options & F_QUIET) && options & F_DOT)
|
||||
(void)write(STDOUT_FILENO, &DOT[DOTidx++ % DOTlen], 1);
|
||||
|
||||
return(0);
|
||||
}
|
||||
@ -1661,7 +1672,7 @@ pr_pack(u_char *buf, int cc, struct msghdr *mhdr)
|
||||
return;
|
||||
}
|
||||
|
||||
if (options & F_FLOOD)
|
||||
if (options & F_DOT)
|
||||
(void)write(STDOUT_FILENO, &BSPACE, 1);
|
||||
else {
|
||||
if (options & F_AUDIBLE)
|
||||
@ -1853,7 +1864,7 @@ pr_pack(u_char *buf, int cc, struct msghdr *mhdr)
|
||||
pr_icmph(icp, end);
|
||||
}
|
||||
|
||||
if (!(options & F_FLOOD)) {
|
||||
if (!(options & F_DOT)) {
|
||||
(void)putchar('\n');
|
||||
if (options & F_VERBOSE)
|
||||
pr_exthdrs(mhdr);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user