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update to use krb5_krbhst API

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10076 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2001-06-17 23:10:16 +00:00
parent 9714727c3b
commit 016dcaae5f
1 changed files with 32 additions and 54 deletions
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86
lib/krb5/send_to_kdc.c
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@@ -237,7 +237,7 @@ init_port(const char *s, int fallback)
static int
send_via_proxy (krb5_context context,
const char *hostname,
const krb5_krbhst_info *hi,
const krb5_data *send,
krb5_data *receive)
{
@@ -285,7 +285,7 @@ send_via_proxy (krb5_context context,
}
freeaddrinfo (ai);
asprintf(&prefix, "http://%s/", hostname);
asprintf(&prefix, "http://%s/", hi->hostname);
if(prefix == NULL) {
close(s);
return 1;
@@ -300,66 +300,38 @@ send_via_proxy (krb5_context context,
}
/*
* Send the data `send' to one hots in `hostlist' and get back the reply
* Send the data `send' to one host from `handle` and get back the reply
* in `receive'.
*/
krb5_error_code
krb5_sendto (krb5_context context,
const krb5_data *send,
char **hostlist,
int port,
krb5_krbhst_handle handle,
krb5_data *receive)
{
krb5_error_code ret = 0;
char **hp, *p;
int fd;
int i;
for (i = 0; i < context->max_retries; ++i) {
for (hp = hostlist; (p = *hp); ++hp) {
char *colon;
int http_flag = 0;
int tcp_flag = 0;
struct addrinfo *ai, *a;
struct addrinfo hints;
char portstr[NI_MAXSERV];
krb5_krbhst_info *hi;
if(strncmp(p, "http://", 7) == 0){
p += 7;
http_flag = 1;
port = htons(80);
} else if(strncmp(p, "http/", 5) == 0) {
p += 5;
http_flag = 1;
port = htons(80);
}else if(strncmp(p, "tcp/", 4) == 0){
p += 4;
tcp_flag = 1;
} else if(strncmp(p, "udp/", 4) == 0) {
p += 4;
}
if(http_flag && context->http_proxy) {
if (send_via_proxy (context, p, send, receive))
while (krb5_krbhst_next(context, handle, &hi) == 0) {
int ret;
struct addrinfo *ai, *a;
if(hi->proto == KRB5_KRBHST_HTTP && context->http_proxy) {
if (send_via_proxy (context, hi, send, receive))
continue;
else
goto out;
}
colon = strchr (p, ':');
if (colon)
*colon++ = '\0';
memset (&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
if (tcp_flag || http_flag)
hints.ai_socktype = SOCK_STREAM;
else
hints.ai_socktype = SOCK_DGRAM;
snprintf (portstr, sizeof(portstr), "%d",
ntohs(init_port (colon, port)));
ret = getaddrinfo (p, portstr, &hints, &ai);
ret = krb5_krbhst_get_addrinfo(context, hi, &ai);
if (ret)
continue;
for (a = ai; a != NULL; a = a->ai_next) {
fd = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
if (fd < 0)
@@ -368,23 +340,28 @@ krb5_sendto (krb5_context context,
close (fd);
continue;
}
if(http_flag)
switch (hi->proto) {
case KRB5_KRBHST_HTTP :
ret = send_and_recv_http(fd, context->kdc_timeout,
"", send, receive);
else if(tcp_flag)
break;
case KRB5_KRBHST_TCP :
ret = send_and_recv_tcp (fd, context->kdc_timeout,
send, receive);
else
break;
case KRB5_KRBHST_UDP :
ret = send_and_recv_udp (fd, context->kdc_timeout,
send, receive);
break;
}
close (fd);
if(ret == 0 && receive->length != 0) {
freeaddrinfo(ai);
goto out;
}
}
freeaddrinfo(ai);
}
krb5_krbhst_reset(context, handle);
}
krb5_clear_error_string (context);
ret = KRB5_KDC_UNREACH;
@@ -400,19 +377,20 @@ krb5_sendto_kdc2(krb5_context context,
krb5_boolean master)
{
krb5_error_code ret;
char **hostlist;
int port;
port = krb5_getportbyname (context, "kerberos", "udp", 88);
krb5_krbhst_handle handle;
int type;
if (master || context->use_admin_kdc)
ret = krb5_get_krb_admin_hst (context, realm, &hostlist);
type = KRB5_KRBHST_ADMIN;
else
ret = krb5_get_krbhst (context, realm, &hostlist);
type = KRB5_KRBHST_KDC;
ret = krb5_krbhst_init(context, *realm, type, &handle);
if (ret)
return ret;
ret = krb5_sendto(context, send, hostlist, port, receive);
krb5_free_krbhst (context, hostlist);
ret = krb5_sendto(context, send, handle, receive);
krb5_krbhst_free(context, handle);
if (ret == KRB5_KDC_UNREACH)
krb5_set_error_string(context,
"unable to reach any KDC in realm %s", *realm);