[SCM] Samba Shared Repository - branch master updated
Stefan Metzmacher
metze at samba.org
Fri Mar 4 14:07:02 MST 2011
The branch, master has been updated
via 4b86beb s4:selftest: test using the machine account of the rodc against itself
via e90d5ab selftest/target/Samba4: regenerate the krb5.conf after the rodc join
via a8b3958 selftest/target/Samba4: splitout a mk_krb5_conf() function
via 8002406 s4:kdc: split the kdc_tcp_proxy() logic from the main kdc logic
via e70b09e s4:kdc: split the kdc_udp_proxy() logic from the main kdc logic
via ad9ac99 s4:kdc: add a kdc_proxy_unavailable_error() helper function
via 0c78640 s4:kdc: fix calculation of the rodc kvno
via a511d37 HEIMDAL:kdc: correctly propagate HDB_ERR_NOT_FOUND_HERE to via tgs_parse_request() and _kdc_tgs_rep()
via 2c7c3d0 lib/socket_wrapper: try to fix the build on solaris
from 9c342c4 s3: add two missing vfs disconnect calls
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
- Log -----------------------------------------------------------------
commit 4b86beb98b1f600ba01a98a2a44d04c575c42953
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 16:57:28 2011 +0100
s4:selftest: test using the machine account of the rodc against itself
This should test the non proxy rodc kdc path.
metze
Autobuild-User: Stefan Metzmacher <metze at samba.org>
Autobuild-Date: Fri Mar 4 22:06:10 CET 2011 on sn-devel-104
commit e90d5ab561e9bbea619ba46cfc7c1a7fc1a05b8f
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 10:05:51 2011 +0100
selftest/target/Samba4: regenerate the krb5.conf after the rodc join
The RODC should be used as KDC, which will forward requests to the RWDC
if required.
metze
commit a8b3958f38805f18f300aed64bf567339f75e8b3
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 10:05:13 2011 +0100
selftest/target/Samba4: splitout a mk_krb5_conf() function
metze
commit 8002406c51cf1f9f6daebef7e03bfef77f56cf38
Author: Stefan Metzmacher <metze at samba.org>
Date: Wed Feb 9 12:17:23 2011 +0100
s4:kdc: split the kdc_tcp_proxy() logic from the main kdc logic
By having kdc_tcp_proxy_send/recv(), which just asks any writeable
dc for a reponse blob, we simplify the interaction between
client-local and local-writeable sockets.
This allows us to make kdc_socket, kdc_process_fn_t, kdc_tcp_call and kdc_tcp_socket
private to kdc.c again.
metze
commit e70b09e8f8f99b2d63047525f1d5e360582f7eaa
Author: Stefan Metzmacher <metze at samba.org>
Date: Wed Feb 9 09:07:47 2011 +0100
s4:kdc: split the kdc_udp_proxy() logic from the main kdc logic
By having kdc_udp_proxy_send/recv(), which just asks any writeable
dc for a reponse blob, we simplify the interaction between
client-local and local-writeable sockets.
This allows us to make kdc_udp_call and kdc_udp_socket private to
kdc.c again.
metze
commit ad9ac99afd04b1f69ca188eb0005a1226520bc7d
Author: Stefan Metzmacher <metze at samba.org>
Date: Wed Feb 9 09:06:20 2011 +0100
s4:kdc: add a kdc_proxy_unavailable_error() helper function
metze
commit 0c78640e674914d3ee7e8233813ee91a44f16440
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 16:12:29 2011 +0100
s4:kdc: fix calculation of the rodc kvno
Bit shifting is non-trivial in C:-)
This
int32_t a = 0x12340000;
uint32_t b = (a >> 16);
results in 0x00001234, but this
int32_t a = 0xEDCB0000;
uint32_t b = (a >> 16);
results in 0xFFFFEDCB, while we expected 0x0000EDCB.
metze
commit a511d37d83be3bf47440527ad2b54fd124ba97a5
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 14:33:02 2011 +0100
HEIMDAL:kdc: correctly propagate HDB_ERR_NOT_FOUND_HERE to via tgs_parse_request() and _kdc_tgs_rep()
metze
commit 2c7c3d03d5c6b99370f9007aa6fe874d36512be2
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 4 21:14:27 2011 +0100
lib/socket_wrapper: try to fix the build on solaris
struct msg does not contain msg_control, msg_controllen and msg_flags
on solaris.
metze
-----------------------------------------------------------------------
Summary of changes:
lib/socket_wrapper/socket_wrapper.c | 13 +
selftest/target/Samba4.pm | 101 +++---
source4/heimdal/kdc/krb5tgs.c | 5 +
source4/kdc/db-glue.c | 16 +-
source4/kdc/kdc-glue.h | 75 +---
source4/kdc/kdc.c | 219 ++++++++++-
source4/kdc/proxy.c | 725 ++++++++++++++++-------------------
source4/selftest/tests.py | 1 +
8 files changed, 647 insertions(+), 508 deletions(-)
Changeset truncated at 500 lines:
diff --git a/lib/socket_wrapper/socket_wrapper.c b/lib/socket_wrapper/socket_wrapper.c
index 02cce3f..cd91327 100644
--- a/lib/socket_wrapper/socket_wrapper.c
+++ b/lib/socket_wrapper/socket_wrapper.c
@@ -2147,13 +2147,16 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, con
tmp.iov_base = discard_const_p(char, buf);
tmp.iov_len = len;
+ ZERO_STRUCT(msg);
msg.msg_name = discard_const_p(struct sockaddr, to); /* optional address */
msg.msg_namelen = tolen; /* size of address */
msg.msg_iov = &tmp; /* scatter/gather array */
msg.msg_iovlen = 1; /* # elements in msg_iov */
+#if 0 /* not available on solaris */
msg.msg_control = NULL; /* ancillary data, see below */
msg.msg_controllen = 0; /* ancillary data buffer len */
msg.msg_flags = 0; /* flags on received message */
+#endif
ret = swrap_sendmsg_before(si, &msg, &tmp, &un_addr, &to_un, &to, &bcast);
if (ret == -1) return -1;
@@ -2264,13 +2267,16 @@ _PUBLIC_ ssize_t swrap_send(int s, const void *buf, size_t len, int flags)
tmp.iov_base = discard_const_p(char, buf);
tmp.iov_len = len;
+ ZERO_STRUCT(msg);
msg.msg_name = NULL; /* optional address */
msg.msg_namelen = 0; /* size of address */
msg.msg_iov = &tmp; /* scatter/gather array */
msg.msg_iovlen = 1; /* # elements in msg_iov */
+#if 0 /* not available on solaris */
msg.msg_control = NULL; /* ancillary data, see below */
msg.msg_controllen = 0; /* ancillary data buffer len */
msg.msg_flags = 0; /* flags on received message */
+#endif
ret = swrap_sendmsg_before(si, &msg, &tmp, &un_addr, NULL, NULL, NULL);
if (ret == -1) return -1;
@@ -2303,13 +2309,17 @@ _PUBLIC_ ssize_t swrap_sendmsg(int s, const struct msghdr *omsg, int flags)
tmp.iov_base = NULL;
tmp.iov_len = 0;
+ msg = *omsg;
+#if 0
msg.msg_name = omsg->msg_name; /* optional address */
msg.msg_namelen = omsg->msg_namelen; /* size of address */
msg.msg_iov = omsg->msg_iov; /* scatter/gather array */
msg.msg_iovlen = omsg->msg_iovlen; /* # elements in msg_iov */
+ /* the following is not available on solaris */
msg.msg_control = omsg->msg_control; /* ancillary data, see below */
msg.msg_controllen = omsg->msg_controllen; /* ancillary data buffer len */
msg.msg_flags = omsg->msg_flags; /* flags on received message */
+#endif
ret = swrap_sendmsg_before(si, &msg, &tmp, &un_addr, &to_un, &to, &bcast);
if (ret == -1) return -1;
@@ -2461,13 +2471,16 @@ int swrap_writev(int s, const struct iovec *vector, size_t count)
tmp.iov_base = NULL;
tmp.iov_len = 0;
+ ZERO_STRUCT(msg);
msg.msg_name = NULL; /* optional address */
msg.msg_namelen = 0; /* size of address */
msg.msg_iov = discard_const_p(struct iovec, vector); /* scatter/gather array */
msg.msg_iovlen = count; /* # elements in msg_iov */
+#if 0 /* not available on solaris */
msg.msg_control = NULL; /* ancillary data, see below */
msg.msg_controllen = 0; /* ancillary data buffer len */
msg.msg_flags = 0; /* flags on received message */
+#endif
ret = swrap_sendmsg_before(si, &msg, &tmp, &un_addr, NULL, NULL, NULL);
if (ret == -1) return -1;
diff --git a/selftest/target/Samba4.pm b/selftest/target/Samba4.pm
index d4817bb..7eb8b6e 100644
--- a/selftest/target/Samba4.pm
+++ b/selftest/target/Samba4.pm
@@ -459,6 +459,56 @@ Wfz/8alZ5aMezCQzXJyIaJsCLeKABosSwHcpAFmxlQ==
EOF
}
+sub mk_krb5_conf($$)
+{
+ my ($self, $ctx) = @_;
+
+ unless (open(KRB5CONF, ">$ctx->{krb5_conf}")) {
+ warn("can't open $ctx->{krb5_conf}$?");
+ return undef;
+ }
+ print KRB5CONF "
+#Generated krb5.conf for $ctx->{realm}
+
+[libdefaults]
+ default_realm = $ctx->{realm}
+ dns_lookup_realm = false
+ dns_lookup_kdc = false
+ ticket_lifetime = 24h
+ forwardable = yes
+ allow_weak_crypto = yes
+
+[realms]
+ $ctx->{realm} = {
+ kdc = $ctx->{kdc_ipv4}:88
+ admin_server = $ctx->{kdc_ipv4}:88
+ default_domain = $ctx->{dnsname}
+ }
+ $ctx->{dnsname} = {
+ kdc = $ctx->{kdc_ipv4}:88
+ admin_server = $ctx->{kdc_ipv4}:88
+ default_domain = $ctx->{dnsname}
+ }
+ $ctx->{domain} = {
+ kdc = $ctx->{kdc_ipv4}:88
+ admin_server = $ctx->{kdc_ipv4}:88
+ default_domain = $ctx->{dnsname}
+ }
+
+[appdefaults]
+ pkinit_anchors = FILE:$ctx->{tlsdir}/ca.pem
+
+[kdc]
+ enable-pkinit = true
+ pkinit_identity = FILE:$ctx->{tlsdir}/kdc.pem,$ctx->{tlsdir}/key.pem
+ pkinit_anchors = FILE:$ctx->{tlsdir}/ca.pem
+
+[domain_realm]
+ .$ctx->{dnsname} = $ctx->{realm}
+";
+ close(KRB5CONF);
+}
+
sub provision_raw_prepare($$$$$$$$$$)
{
my ($self, $prefix, $server_role, $netbiosname, $netbiosalias,
@@ -635,50 +685,7 @@ sub provision_raw_step1($$)
$self->mk_keyblobs($ctx->{tlsdir});
- unless (open(KRB5CONF, ">$ctx->{krb5_conf}")) {
- warn("can't open $ctx->{krb5_conf}$?");
- return undef;
- }
- print KRB5CONF "
-#Generated krb5.conf for $ctx->{realm}
-
-[libdefaults]
- default_realm = $ctx->{realm}
- dns_lookup_realm = false
- dns_lookup_kdc = false
- ticket_lifetime = 24h
- forwardable = yes
- allow_weak_crypto = yes
-
-[realms]
- $ctx->{realm} = {
- kdc = $ctx->{kdc_ipv4}:88
- admin_server = $ctx->{kdc_ipv4}:88
- default_domain = $ctx->{dnsname}
- }
- $ctx->{dnsname} = {
- kdc = $ctx->{kdc_ipv4}:88
- admin_server = $ctx->{kdc_ipv4}:88
- default_domain = $ctx->{dnsname}
- }
- $ctx->{domain} = {
- kdc = $ctx->{kdc_ipv4}:88
- admin_server = $ctx->{kdc_ipv4}:88
- default_domain = $ctx->{dnsname}
- }
-
-[appdefaults]
- pkinit_anchors = FILE:$ctx->{tlsdir}/ca.pem
-
-[kdc]
- enable-pkinit = true
- pkinit_identity = FILE:$ctx->{tlsdir}/kdc.pem,$ctx->{tlsdir}/key.pem
- pkinit_anchors = FILE:$ctx->{tlsdir}/ca.pem
-
-[domain_realm]
- .$ctx->{dnsname} = $ctx->{realm}
-";
- close(KRB5CONF);
+ $self->mk_krb5_conf($ctx);
open(PWD, ">$ctx->{nsswrap_passwd}");
print PWD "
@@ -1191,6 +1198,12 @@ sub provision_rodc($$$)
return undef;
}
+ # we overwrite the kdc after the RODC join
+ # so that use the RODC as kdc and test
+ # the proxy code
+ $ctx->{kdc_ipv4} = $ret->{SERVER_IP};
+ $self->mk_krb5_conf($ctx);
+
$ret->{RODC_DC_SERVER} = $ret->{SERVER};
$ret->{RODC_DC_SERVER_IP} = $ret->{SERVER_IP};
$ret->{RODC_DC_NETBIOSNAME} = $ret->{NETBIOSNAME};
diff --git a/source4/heimdal/kdc/krb5tgs.c b/source4/heimdal/kdc/krb5tgs.c
index 4af4c29..037934f 100644
--- a/source4/heimdal/kdc/krb5tgs.c
+++ b/source4/heimdal/kdc/krb5tgs.c
@@ -1179,6 +1179,7 @@ tgs_parse_request(krb5_context context,
kdc_log(context, config, 5, "Ticket-granting ticket account %s does not have secrets at this KDC, need to proxy", p);
if (ret == 0)
free(p);
+ ret = HDB_ERR_NOT_FOUND_HERE;
goto out;
} else if(ret){
const char *msg = krb5_get_error_message(context, ret);
@@ -2239,6 +2240,10 @@ _kdc_tgs_rep(krb5_context context,
&auth_data,
&replykey,
&rk_is_subkey);
+ if (ret == HDB_ERR_NOT_FOUND_HERE) {
+ /* kdc_log() is called in tgs_parse_request() */
+ goto out;
+ }
if (ret) {
kdc_log(context, config, 0,
"Failed parsing TGS-REQ from %s", from);
diff --git a/source4/kdc/db-glue.c b/source4/kdc/db-glue.c
index ed64685..7a3b1f4 100644
--- a/source4/kdc/db-glue.c
+++ b/source4/kdc/db-glue.c
@@ -36,6 +36,13 @@
#include "kdc/samba_kdc.h"
#include "kdc/kdc-policy.h"
+#define SAMBA_KVNO_GET_KRBTGT(kvno) \
+ ((uint16_t)(((uint32_t)kvno) >> 16))
+
+#define SAMBA_KVNO_AND_KRBTGT(kvno, krbtgt) \
+ ((krb5_kvno)((((uint32_t)kvno) & 0xFFFF) | \
+ ((((uint32_t)krbtgt) << 16) & 0xFFFF0000)))
+
enum samba_kdc_ent_type
{ SAMBA_KDC_ENT_TYPE_CLIENT, SAMBA_KDC_ENT_TYPE_SERVER,
SAMBA_KDC_ENT_TYPE_KRBTGT, SAMBA_KDC_ENT_TYPE_TRUST, SAMBA_KDC_ENT_TYPE_ANY };
@@ -206,6 +213,7 @@ static krb5_error_code samba_kdc_message2entry_keys(krb5_context context,
uint16_t i;
uint16_t allocated_keys = 0;
int rodc_krbtgt_number = 0;
+ int kvno = 0;
uint32_t supported_enctypes
= ldb_msg_find_attr_as_uint(msg,
"msDS-SupportedEncryptionTypes",
@@ -245,14 +253,14 @@ static krb5_error_code samba_kdc_message2entry_keys(krb5_context context,
}
}
-
entry_ex->entry.keys.val = NULL;
entry_ex->entry.keys.len = 0;
- entry_ex->entry.kvno = ldb_msg_find_attr_as_int(msg, "msDS-KeyVersionNumber", 0);
+ kvno = ldb_msg_find_attr_as_int(msg, "msDS-KeyVersionNumber", 0);
if (is_rodc) {
- entry_ex->entry.kvno |= (rodc_krbtgt_number << 16);
+ kvno = SAMBA_KVNO_AND_KRBTGT(kvno, rodc_krbtgt_number);
}
+ entry_ex->entry.kvno = kvno;
/* Get keys from the db */
@@ -1334,7 +1342,7 @@ krb5_error_code samba_kdc_fetch(krb5_context context,
TALLOC_CTX *mem_ctx;
unsigned int krbtgt_number;
if (flags & HDB_F_KVNO_SPECIFIED) {
- krbtgt_number = kvno >> 16;
+ krbtgt_number = SAMBA_KVNO_GET_KRBTGT(kvno);
if (kdc_db_ctx->rodc) {
if (krbtgt_number != kdc_db_ctx->my_krbtgt_number) {
return HDB_ERR_NOT_FOUND_HERE;
diff --git a/source4/kdc/kdc-glue.h b/source4/kdc/kdc-glue.h
index 75b6b98..b365cd7 100644
--- a/source4/kdc/kdc-glue.h
+++ b/source4/kdc/kdc-glue.h
@@ -50,59 +50,6 @@ enum kdc_process_ret {
KDC_PROCESS_FAILED,
KDC_PROCESS_PROXY};
-struct kdc_udp_call {
- struct tsocket_address *src;
- DATA_BLOB in;
- DATA_BLOB out;
-};
-
-/* hold information about one kdc/kpasswd udp socket */
-struct kdc_udp_socket {
- struct kdc_socket *kdc_socket;
- struct tdgram_context *dgram;
- struct tevent_queue *send_queue;
-};
-
-struct kdc_tcp_call {
- struct kdc_tcp_connection *kdc_conn;
- DATA_BLOB in;
- DATA_BLOB out;
- uint8_t out_hdr[4];
- struct iovec out_iov[2];
-};
-
-typedef enum kdc_process_ret (*kdc_process_fn_t)(struct kdc_server *kdc,
- TALLOC_CTX *mem_ctx,
- DATA_BLOB *input,
- DATA_BLOB *reply,
- struct tsocket_address *peer_addr,
- struct tsocket_address *my_addr,
- int datagram);
-
-
-/* hold information about one kdc socket */
-struct kdc_socket {
- struct kdc_server *kdc;
- struct tsocket_address *local_address;
- kdc_process_fn_t process;
-};
-
-/*
- state of an open tcp connection
-*/
-struct kdc_tcp_connection {
- /* stream connection we belong to */
- struct stream_connection *conn;
-
- /* the kdc_server the connection belongs to */
- struct kdc_socket *kdc_socket;
-
- struct tstream_context *tstream;
-
- struct tevent_queue *send_queue;
-};
-
-
enum kdc_process_ret kpasswdd_process(struct kdc_server *kdc,
TALLOC_CTX *mem_ctx,
DATA_BLOB *input,
@@ -116,10 +63,22 @@ NTSTATUS hdb_samba4_create_kdc(struct samba_kdc_base_context *base_ctx,
krb5_context context, struct HDB **db);
/* from proxy.c */
-void kdc_udp_proxy(struct kdc_server *kdc, struct kdc_udp_socket *sock,
- struct kdc_udp_call *call, uint16_t port);
-
-void kdc_tcp_proxy(struct kdc_server *kdc, struct kdc_tcp_connection *kdc_conn,
- struct kdc_tcp_call *call, uint16_t port);
+struct tevent_req *kdc_udp_proxy_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct kdc_server *kdc,
+ uint16_t port,
+ DATA_BLOB in);
+NTSTATUS kdc_udp_proxy_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *out);
+
+struct tevent_req *kdc_tcp_proxy_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct kdc_server *kdc,
+ uint16_t port,
+ DATA_BLOB in);
+NTSTATUS kdc_tcp_proxy_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *out);
#endif
diff --git a/source4/kdc/kdc.c b/source4/kdc/kdc.c
index c5beaba..26365ac 100644
--- a/source4/kdc/kdc.c
+++ b/source4/kdc/kdc.c
@@ -38,6 +38,69 @@
extern struct krb5plugin_windc_ftable windc_plugin_table;
extern struct hdb_method hdb_samba4;
+static NTSTATUS kdc_proxy_unavailable_error(struct kdc_server *kdc,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *out)
+{
+ int kret;
+ krb5_data k5_error_blob;
+
+ kret = krb5_mk_error(kdc->smb_krb5_context->krb5_context,
+ KRB5KDC_ERR_SVC_UNAVAILABLE, NULL, NULL,
+ NULL, NULL, NULL, NULL, &k5_error_blob);
+ if (kret != 0) {
+ DEBUG(2,(__location__ ": Unable to form krb5 error reply\n"));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ *out = data_blob_talloc(mem_ctx, k5_error_blob.data, k5_error_blob.length);
+ krb5_data_free(&k5_error_blob);
+ if (!out->data) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+typedef enum kdc_process_ret (*kdc_process_fn_t)(struct kdc_server *kdc,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *input,
+ DATA_BLOB *reply,
+ struct tsocket_address *peer_addr,
+ struct tsocket_address *my_addr,
+ int datagram);
+
+/* hold information about one kdc socket */
+struct kdc_socket {
+ struct kdc_server *kdc;
+ struct tsocket_address *local_address;
+ kdc_process_fn_t process;
+};
+
+struct kdc_tcp_call {
+ struct kdc_tcp_connection *kdc_conn;
+ DATA_BLOB in;
+ DATA_BLOB out;
+ uint8_t out_hdr[4];
+ struct iovec out_iov[2];
+};
+
+/*
+ state of an open tcp connection
+*/
+struct kdc_tcp_connection {
+ /* stream connection we belong to */
+ struct stream_connection *conn;
+
+ /* the kdc_server the connection belongs to */
+ struct kdc_socket *kdc_socket;
+
+ struct tstream_context *tstream;
+
+ struct tevent_queue *send_queue;
+};
+
+
static void kdc_tcp_terminate_connection(struct kdc_tcp_connection *kdcconn, const char *reason)
{
stream_terminate_connection(kdcconn->conn, reason);
@@ -119,6 +182,7 @@ static enum kdc_process_ret kdc_process(struct kdc_server *kdc,
return KDC_PROCESS_OK;
}
+static void kdc_tcp_call_proxy_done(struct tevent_req *subreq);
static void kdc_tcp_call_writev_done(struct tevent_req *subreq);
static void kdc_tcp_call_loop(struct tevent_req *subreq)
@@ -178,14 +242,94 @@ static void kdc_tcp_call_loop(struct tevent_req *subreq)
}
if (ret == KDC_PROCESS_PROXY) {
+ uint16_t port;
+
if (!kdc_conn->kdc_socket->kdc->am_rodc) {
kdc_tcp_terminate_connection(kdc_conn,
"kdc_tcp_call_loop: proxying requested when not RODC");
return;
}
- kdc_tcp_proxy(kdc_conn->kdc_socket->kdc, kdc_conn, call,
- tsocket_address_inet_port(kdc_conn->conn->local_address));
- goto done;
+ port = tsocket_address_inet_port(kdc_conn->conn->local_address);
+
+ subreq = kdc_tcp_proxy_send(call,
+ kdc_conn->conn->event.ctx,
+ kdc_conn->kdc_socket->kdc,
+ port,
+ call->in);
+ if (subreq == NULL) {
+ kdc_tcp_terminate_connection(kdc_conn,
+ "kdc_tcp_call_loop: kdc_tcp_proxy_send failed");
+ return;
+ }
+ tevent_req_set_callback(subreq, kdc_tcp_call_proxy_done, call);
+ return;
+ }
+
+ /* First add the length of the out buffer */
+ RSIVAL(call->out_hdr, 0, call->out.length);
+ call->out_iov[0].iov_base = (char *) call->out_hdr;
+ call->out_iov[0].iov_len = 4;
+
+ call->out_iov[1].iov_base = (char *) call->out.data;
+ call->out_iov[1].iov_len = call->out.length;
+
+ subreq = tstream_writev_queue_send(call,
+ kdc_conn->conn->event.ctx,
+ kdc_conn->tstream,
+ kdc_conn->send_queue,
+ call->out_iov, 2);
+ if (subreq == NULL) {
+ kdc_tcp_terminate_connection(kdc_conn, "kdc_tcp_call_loop: "
+ "no memory for tstream_writev_queue_send");
+ return;
+ }
+ tevent_req_set_callback(subreq, kdc_tcp_call_writev_done, call);
+
+ /*
--
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