nhyatt/putty-source
1
0
Fork 0
mirror of https://git.tartarus.org/simon/putty.git synced 2025-01-10 09:58:01 +00:00
Code Issues Projects Releases Wiki Activity

I broke the ability to cope with multiple consecutive k-i INFO_REQUESTS

Browse Source 
in r6437. This ought to be better (but I can't test that case).

[originally from svn r6451]
[r6437 == 8719f92c14]
This commit is contained in:
Jacob Nevins 2005-11-09 23:19:33 +00:00
parent 29f1ae8a7e
commit c4b2b493ff
1 changed files with 102 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
ssh.c
View File

@ -7153,9 +7153,6 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
/*
* Keyboard-interactive authentication.
*/
char *name, *inst, *lang;
int name_len, inst_len, lang_len;
int i;
s->type = AUTH_TYPE_KEYBOARD_INTERACTIVE;
@ -7175,7 +7172,9 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
crWaitUntilV(pktin);
if (pktin->type != SSH2_MSG_USERAUTH_INFO_REQUEST) {
/* Server is not willing to do keyboard-interactive
* at all. Give up on it entirely. */
* at all (or, bizarrely but legally, accepts the
* user without actually issuing any prompts).
* Give up on it entirely. */
s->gotit = TRUE;
if (pktin->type == SSH2_MSG_USERAUTH_FAILURE)
logevent("Keyboard-interactive authentication refused");
@ -7184,6 +7183,15 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
continue;
}
/*
* Loop while the server continues to send INFO_REQUESTs.
*/
while (pktin->type == SSH2_MSG_USERAUTH_INFO_REQUEST) {
char *name, *inst, *lang;
int name_len, inst_len, lang_len;
int i;
/*
* We've got a fresh USERAUTH_INFO_REQUEST.
* Get the preamble and start building a prompt.
@ -7196,13 +7204,16 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
if (name_len) {
/* FIXME: better prefix to distinguish from
* local prompts? */
s->cur_prompt->name = dupprintf("SSH server: %.*s",
name_len, name);
s->cur_prompt->name =
dupprintf("SSH server: %.*s", name_len, name);
s->cur_prompt->name_reqd = TRUE;
} else {
s->cur_prompt->name = dupstr("SSH server authentication");
s->cur_prompt->name =
dupstr("SSH server authentication");
s->cur_prompt->name_reqd = FALSE;
}
/* FIXME: ugly to print "Using..." in prompt _every_
* time round. Can this be done more subtly? */
s->cur_prompt->instruction =
dupprintf("Using keyboard-interactive authentication.%s%.*s",
inst_len ? "\n" : "", inst_len, inst);
@ -7267,7 +7278,19 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen,
end_log_omission(ssh, s->pktout);
}
ssh2_pkt_send(ssh, s->pktout);
s->type = AUTH_TYPE_KEYBOARD_INTERACTIVE;
/*
* Get the next packet in case it's another
* INFO_REQUEST.
*/
crWaitUntilV(pktin);
}
/*
* We should have SUCCESS or FAILURE now.
*/
s->gotit = TRUE;
} else if (s->can_passwd) {