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Allow hosts specified by IP number (avoiding

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a DNS lookup)
Update doc including the [host:]port syntax.
This commit is contained in:
Brian Somers 1997-07-28 22:17:48 +00:00
parent e663ea9c1d
commit 437b5af636
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27747
2 changed files with 22 additions and 9 deletions
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15
usr.sbin/pppctl/pppctl.8
View File

@ -1,4 +1,4 @@
.\" $Id:$
.\" $Id: pppctl.8,v 1.1 1997/06/28 01:04:52 brian Exp $
.Dd 26 June 1997
.Os FreeBSD
.Dt PPPCTL 8
@ -11,7 +11,7 @@ PPP control program
.Op Fl v
.Op Fl t Ar n
.Op Fl p Ar passwd
.Ar Port | LocalSocket
.Ar [host:]Port | LocalSocket
.Ar command
.Op Ar ;command
.Ar ...
@ -26,11 +26,14 @@ expects at least two arguments. The first is interpreted as the
socket on which the
.Nm ppp
daemon is listening. If the socket contains a leading '/', it
is taken as an AF_LOCAL socket. If it consists entirely of numbers,
it is interpreted as a TCP port number on localhost. If it contains
any characters, the first of which is not a '/' character, it is
interpreted as an entry of type "tcp" from
is taken as an AF_LOCAL socket. If it contains a colon, it is
treated as a host:port pair, otherwise it is treated as just a
port specification on the local machine (127.0.0.1). Both the
host and port may be specified numerically if you wish to avoid
a DNS lookup or don't have an entry for the given port in
.Pa /etc/services .
.Pp
All remaining arguments are concatenated to form the command(s) that
will be sent to the
.Nm ppp

16
usr.sbin/pppctl/pppctl.c
View File

@ -1,6 +1,7 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include <netdb.h>
#include <signal.h>
@ -170,6 +171,7 @@ main(int argc, char **argv)
}
} else {
char *port, *host, *colon;
int hlen;
colon = strchr(argv[arg], ':');
if (colon) {
@ -178,15 +180,24 @@ main(int argc, char **argv)
host = argv[arg];
} else {
port = argv[arg];
host = "localhost";
host = "127.0.0.1";
}
sock = (struct sockaddr *)&ifsin;
socksz = sizeof ifsin;
hlen = strlen(host);
if ((h = gethostbyname(host)) == 0) {
if (strspn(host, "0123456789.") == hlen) {
if (!inet_aton(host, (struct in_addr *)&ifsin.sin_addr.s_addr)) {
fprintf(stderr, "Cannot translate %s\n", host);
return 1;
}
} else if ((h = gethostbyname(host)) == 0) {
fprintf(stderr, "Cannot resolve %s\n", host);
return 1;
}
else
ifsin.sin_addr.s_addr = *(u_long *)h->h_addr_list[0];
if (colon)
*colon = ':';
@ -201,7 +212,6 @@ main(int argc, char **argv)
ifsin.sin_len = sizeof(ifsin);
ifsin.sin_family = AF_INET;
ifsin.sin_addr.s_addr = *(u_long *)h->h_addr_list[0];
if (fd = socket(AF_INET, SOCK_STREAM, 0), fd < 0) {
fprintf(stderr, "Cannot create internet socket\n");