Add -4 and -6 options.

Current getaddrinfo() implemetation has a problem of too much resolving
 waiting time on INET6 enabled systems.
 -4 and -6 options can limit name resolving address family and is a possible
 workaround for the problem.

Approved by: jkh
This commit is contained in:
Yoshinobu Inoue 2000-02-15 15:11:40 +00:00
parent f5abb8467c
commit 1132b408c5
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=57232
6 changed files with 46 additions and 16 deletions

View File

@ -165,6 +165,7 @@ extern struct cmd cmdtab[];
extern FILE *cout;
extern int data;
extern char *home;
extern int family;
extern int proxy;
extern char reply_string[];
extern int NCMDS;

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@ -204,7 +204,7 @@ url_get(origline, proxyenv)
port = httpport;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_family = family;
hints.ai_socktype = SOCK_STREAM;
error = getaddrinfo(host, port, &hints, &res);
res0 = res;

View File

@ -121,7 +121,7 @@ hookup(host0, port)
host = hostnamebuf;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = AF_UNSPEC;
hints.ai_family = family;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
error = getaddrinfo(host, port, &hints, &res0);

View File

@ -70,6 +70,8 @@ __RCSID_SOURCE("$NetBSD: main.c,v 1.26 1997/10/14 16:31:22 christos Exp $");
#include "ftp_var.h"
#include "pathnames.h"
int family = AF_UNSPEC;
int main __P((int, char **));
int
@ -151,8 +153,16 @@ main(argc, argv)
if (isatty(fileno(stdout)) && !dumbterm)
progress = 1; /* progress bar on if tty is usable */
while ((ch = getopt(argc, argv, "adeginpP:s:tUvV")) != -1) {
while ((ch = getopt(argc, argv, "46adeginpP:s:tUvV")) != -1) {
switch (ch) {
case '4':
family = AF_INET;
break;
#ifdef INET6
case '6':
family = AF_INET6;
break;
#endif
case 'a':
anonftp = 1;
break;
@ -228,7 +238,7 @@ main(argc, argv)
int error;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_family = family;
hints.ai_socktype = SOCK_STREAM;
error = getaddrinfo(src_addr, NULL, &hints, &res);
if (error) {
@ -697,7 +707,7 @@ void
usage()
{
(void)fprintf(stderr,
"usage: %s [-adeginptUvV] [-P port] [-s src_addr] [host [port]]\n"
"usage: %s [-46adeginptUvV] [-P port] [-s src_addr] [host [port]]\n"
" %s host:path[/]\n"
" %s ftp://host[:port]/path[/]\n"
" %s http://host[:port]/file\n",

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@ -95,6 +95,7 @@ char dst_realm_buf[REALM_SZ], *dest_realm = NULL;
#endif
int eight, litout, rem;
int family = PF_UNSPEC;
int noescape;
u_char escapechar = '~';
@ -176,12 +177,20 @@ main(argc, argv)
}
#ifdef KERBEROS
#define OPTIONS "8DEKLde:i:k:l:x"
#define OPTIONS "468DEKLde:i:k:l:x"
#else
#define OPTIONS "8DEKLde:i:l:"
#define OPTIONS "468DEKLde:i:l:"
#endif
while ((ch = getopt(argc - argoff, argv + argoff, OPTIONS)) != -1)
switch(ch) {
case '4':
family = PF_INET;
break;
case '6':
family = PF_INET6;
break;
case '8':
eight = 1;
break;
@ -334,10 +343,10 @@ main(argc, argv)
errx(1, "the -x flag requires Kerberos authentication");
#endif /* CRYPT */
rem = rcmd_af(&host, sp->s_port, localname, user, term, 0,
PF_UNSPEC);
family);
}
#else
rem = rcmd_af(&host, sp->s_port, localname, user, term, 0, PF_UNSPEC);
rem = rcmd_af(&host, sp->s_port, localname, user, term, 0, family);
#endif /* KERBEROS */
if (rem < 0)
@ -876,7 +885,7 @@ void
usage()
{
(void)fprintf(stderr,
"usage: rlogin [-%s]%s[-e char] [-i localname] [-l username] host\n",
"usage: rlogin [-46%s]%s[-e char] [-i localname] [-l username] host\n",
#ifdef KERBEROS
#ifdef CRYPT
"8DEKLdx", " [-k realm] ");

View File

@ -85,6 +85,8 @@ extern char *krb_realmofhost();
*/
int rfd2;
int family = PF_UNSPEC;
char *copyargs __P((char **));
void sendsig __P((int));
void talk __P((int, long, pid_t, int, int));
@ -129,15 +131,23 @@ main(argc, argv)
#ifdef KERBEROS
#ifdef CRYPT
#define OPTIONS "8KLde:k:l:nt:wx"
#define OPTIONS "468KLde:k:l:nt:wx"
#else
#define OPTIONS "8KLde:k:l:nt:w"
#define OPTIONS "468KLde:k:l:nt:w"
#endif
#else
#define OPTIONS "8KLde:l:nt:w"
#define OPTIONS "468KLde:l:nt:w"
#endif
while ((ch = getopt(argc - argoff, argv + argoff, OPTIONS)) != -1)
switch(ch) {
case '4':
family = PF_INET;
break;
case '6':
family = PF_INET6;
break;
case 'K':
#ifdef KERBEROS
use_kerberos = 0;
@ -270,11 +280,11 @@ main(argc, argv)
if (doencrypt)
errx(1, "the -x flag requires Kerberos authentication");
rem = rcmd_af(&host, sp->s_port, pw->pw_name, user, args,
&rfd2, PF_UNSPEC);
&rfd2, family);
}
#else
rem = rcmd_af(&host, sp->s_port, pw->pw_name, user, args, &rfd2,
PF_UNSPEC);
family);
#endif
if (rem < 0)
@ -479,7 +489,7 @@ usage()
{
(void)fprintf(stderr,
"usage: rsh [-nd%s]%s[-l login] [-t timeout] host [command]\n",
"usage: rsh [-46] [-nd%s]%s[-l login] [-t timeout] host [command]\n",
#ifdef KERBEROS
#ifdef CRYPT
"x", " [-k realm] ");