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--- auth2-chall.c.orig Wed Jun 19 02:27:55 2002
+++ auth2-chall.c Wed Jun 26 16:59:05 2002
@@ -40,20 +40,20 @@
#ifdef BSD_AUTH
extern KbdintDevice bsdauth_device;
-#else
-#ifdef SKEY
+#elif defined(USE_PAM)
+extern KbdintDevice pam_device;
+#elif defined(SKEY)
extern KbdintDevice skey_device;
#endif
-#endif
KbdintDevice *devices[] = {
#ifdef BSD_AUTH
&bsdauth_device,
-#else
-#ifdef SKEY
+#elif defined(USE_PAM)
+ &pam_device,
+#elif defined(SKEY)
&skey_device,
#endif
-#endif
NULL
};
@@ -63,6 +63,7 @@
char *devices;
void *ctxt;
KbdintDevice *device;
+ u_int nreq;
};
static KbdintAuthctxt *
@@ -90,6 +91,7 @@
debug("kbdint_alloc: devices '%s'", kbdintctxt->devices);
kbdintctxt->ctxt = NULL;
kbdintctxt->device = NULL;
+ kbdintctxt->nreq = 0;
return kbdintctxt;
}
@@ -209,26 +211,26 @@
KbdintAuthctxt *kbdintctxt;
char *name, *instr, **prompts;
int i;
- u_int numprompts, *echo_on;
+ u_int *echo_on;
kbdintctxt = authctxt->kbdintctxt;
if (kbdintctxt->device->query(kbdintctxt->ctxt,
- &name, &instr, &numprompts, &prompts, &echo_on))
+ &name, &instr, &kbdintctxt->nreq, &prompts, &echo_on))
return 0;
packet_start(SSH2_MSG_USERAUTH_INFO_REQUEST);
packet_put_cstring(name);
packet_put_cstring(instr);
packet_put_cstring(""); /* language not used */
- packet_put_int(numprompts);
- for (i = 0; i < numprompts; i++) {
+ packet_put_int(kbdintctxt->nreq);
+ for (i = 0; i < kbdintctxt->nreq; i++) {
packet_put_cstring(prompts[i]);
packet_put_char(echo_on[i]);
}
packet_send();
packet_write_wait();
- for (i = 0; i < numprompts; i++)
+ for (i = 0; i < kbdintctxt->nreq; i++)
xfree(prompts[i]);
xfree(prompts);
xfree(echo_on);
@@ -256,6 +258,10 @@
authctxt->postponed = 0; /* reset */
nresp = packet_get_int();
+ if (nresp != kbdintctxt->nreq)
+ fatal("input_userauth_info_response: wrong number of replies");
+ if (nresp > 100)
+ fatal("input_userauth_info_response: too many replies");
if (nresp > 0) {
response = xmalloc(nresp * sizeof(char*));
for (i = 0; i < nresp; i++)
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