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Fix bugs in telnet.

Browse Source 
Sorry there were still several bugs.
   -error retry at af missmatch was incomplete.
   -af matching for source addr option was wrong
   -socket was not freed at retry.

Approved by: jkh
This commit is contained in:
Yoshinobu Inoue 2000-02-15 15:59:12 +00:00
parent 1132b408c5
commit 1d1ade86f0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=57233
3 changed files with 48 additions and 24 deletions
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24
contrib/telnet/telnet/commands.c
View File

@ -2505,13 +2505,14 @@ tn(argc, argv)
goto fail;
}
res0 = res;
af_again:
if (srcroute != 0) {
char hostbuf[BUFSIZ];
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
af_again:
if (af_error != 0)
if (af_error == 0) { /* save intermediate hostnames for retry */
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
} else
hostp = hostbuf;
srp = 0;
result = sourceroute(res, hostp, &srp, &srlen, &proto, &opt);
@ -2571,8 +2572,8 @@ tn(argc, argv)
if (src_addr != NULL) {
for (src_res = src_res0; src_res != 0; src_res = src_res->ai_next)
if (src_res->ai_family != res->ai_family)
continue;
if (src_res->ai_family == res->ai_family)
break;
if (src_res == NULL)
src_res = src_res0;
if (bind(net, src_res->ai_addr, src_res->ai_addrlen) == -1) {
@ -2580,18 +2581,24 @@ tn(argc, argv)
if (family == AF_UNSPEC && af_error == 0 &&
switch_af(&res) == 1) {
af_error = 1;
(void) NetClose(net);
goto af_again;
}
#endif
perror("bind");
(void) NetClose(net);
goto fail;
}
}
#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
if (setpolicy(net, res, ipsec_policy_in) < 0)
if (setpolicy(net, res, ipsec_policy_in) < 0) {
(void) NetClose(net);
goto fail;
if (setpolicy(net, res, ipsec_policy_out) < 0)
}
if (setpolicy(net, res, ipsec_policy_out) < 0) {
(void) NetClose(net);
goto fail;
}
#endif
if (connect(net, res->ai_addr, res->ai_addrlen) < 0) {
@ -2614,6 +2621,7 @@ tn(argc, argv)
continue;
}
perror("telnet: Unable to connect to remote host");
(void) NetClose(net);
goto fail;
}
connected++;

24
crypto/telnet/telnet/commands.c
View File

@ -2505,13 +2505,14 @@ tn(argc, argv)
goto fail;
}
res0 = res;
af_again:
if (srcroute != 0) {
char hostbuf[BUFSIZ];
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
af_again:
if (af_error != 0)
if (af_error == 0) { /* save intermediate hostnames for retry */
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
} else
hostp = hostbuf;
srp = 0;
result = sourceroute(res, hostp, &srp, &srlen, &proto, &opt);
@ -2571,8 +2572,8 @@ tn(argc, argv)
if (src_addr != NULL) {
for (src_res = src_res0; src_res != 0; src_res = src_res->ai_next)
if (src_res->ai_family != res->ai_family)
continue;
if (src_res->ai_family == res->ai_family)
break;
if (src_res == NULL)
src_res = src_res0;
if (bind(net, src_res->ai_addr, src_res->ai_addrlen) == -1) {
@ -2580,18 +2581,24 @@ tn(argc, argv)
if (family == AF_UNSPEC && af_error == 0 &&
switch_af(&res) == 1) {
af_error = 1;
(void) NetClose(net);
goto af_again;
}
#endif
perror("bind");
(void) NetClose(net);
goto fail;
}
}
#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
if (setpolicy(net, res, ipsec_policy_in) < 0)
if (setpolicy(net, res, ipsec_policy_in) < 0) {
(void) NetClose(net);
goto fail;
if (setpolicy(net, res, ipsec_policy_out) < 0)
}
if (setpolicy(net, res, ipsec_policy_out) < 0) {
(void) NetClose(net);
goto fail;
}
#endif
if (connect(net, res->ai_addr, res->ai_addrlen) < 0) {
@ -2614,6 +2621,7 @@ tn(argc, argv)
continue;
}
perror("telnet: Unable to connect to remote host");
(void) NetClose(net);
goto fail;
}
connected++;

24
usr.bin/telnet/commands.c
View File

@ -2329,13 +2329,14 @@ tn(argc, argv)
goto fail;
}
res0 = res;
af_again:
if (srcroute != 0) {
char hostbuf[BUFSIZ];
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
af_again:
if (af_error != 0)
if (af_error == 0) { /* save intermediate hostnames for retry */
strncpy(hostbuf, hostp, BUFSIZ - 1);
hostbuf[BUFSIZ - 1] = '\0';
} else
hostp = hostbuf;
srp = 0;
result = sourceroute(res, hostp, &srp, &srlen, &proto, &opt);
@ -2395,8 +2396,8 @@ tn(argc, argv)
if (src_addr != NULL) {
for (src_res = src_res0; src_res != 0; src_res = src_res->ai_next)
if (src_res->ai_family != res->ai_family)
continue;
if (src_res->ai_family == res->ai_family)
break;
if (src_res == NULL)
src_res = src_res0;
if (bind(net, src_res->ai_addr, src_res->ai_addrlen) == -1) {
@ -2404,18 +2405,24 @@ tn(argc, argv)
if (family == AF_UNSPEC && af_error == 0 &&
switch_af(&res) == 1) {
af_error = 1;
(void) NetClose(net);
goto af_again;
}
#endif
perror("bind");
(void) NetClose(net);
goto fail;
}
}
#if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
if (setpolicy(net, res, ipsec_policy_in) < 0)
if (setpolicy(net, res, ipsec_policy_in) < 0) {
(void) NetClose(net);
goto fail;
if (setpolicy(net, res, ipsec_policy_out) < 0)
}
if (setpolicy(net, res, ipsec_policy_out) < 0) {
(void) NetClose(net);
goto fail;
}
#endif
if (connect(net, res->ai_addr, res->ai_addrlen) < 0) {
@ -2438,6 +2445,7 @@ tn(argc, argv)
continue;
}
perror("telnet: Unable to connect to remote host");
(void) NetClose(net);
goto fail;
}
connected++;