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-rw-r--r--MAINTAINERS10
-rw-r--r--src/plugins/dns/CMakeLists.txt33
-rw-r--r--src/plugins/dns/dns.api (renamed from src/vnet/dns/dns.api)11
-rw-r--r--src/plugins/dns/dns.c (renamed from src/vnet/dns/dns.c)269
-rw-r--r--src/plugins/dns/dns.h (renamed from src/vnet/dns/dns.h)15
-rw-r--r--src/plugins/dns/dns_all_api_h.h19
-rw-r--r--src/plugins/dns/dns_msg_enum.h31
-rw-r--r--src/plugins/dns/dns_packet.h (renamed from src/vnet/dns/dns_packet.h)0
-rw-r--r--src/plugins/dns/dns_test.c346
-rw-r--r--src/plugins/dns/reply_node.c (renamed from src/vnet/dns/reply_node.c)2
-rw-r--r--src/plugins/dns/request_node.c (renamed from src/vnet/dns/request_node.c)2
-rw-r--r--src/plugins/dns/resolver_process.c (renamed from src/vnet/dns/resolver_process.c)25
-rw-r--r--src/plugins/dns/test/test_dns.py111
-rw-r--r--src/vat/api_format.c242
-rw-r--r--src/vnet/CMakeLists.txt18
-rw-r--r--src/vnet/vnet_all_api_h.h1
-rw-r--r--src/vpp/api/custom_dump.c69
17 files changed, 794 insertions, 410 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 7e4a9d01fea..7247eaf98bb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -245,11 +245,6 @@ M: Dave Barach <dave@barachs.net>
M: Neale Ranns <nranns@cisco.com>
F: src/vnet/dhcp/
-VNET DNS
-I: dns
-M: Dave Barach <dave@barachs.net>
-F: src/vnet/dns/
-
VNET TLS and TLS engine plugins
I: tls
M: Florin Coras <fcoras@cisco.com>
@@ -399,6 +394,11 @@ I: nsim
M: Dave Barach <dave@barachs.net>
F: src/plugins/nsim/
+Plugin - Simple DNS name resolver
+I: dns
+M: Dave Barach <dave@barachs.net>
+F: src/plugins/dns/
+
Test Infrastructure
I: tests
M: Klement Sekera <ksekera@cisco.com>
diff --git a/src/plugins/dns/CMakeLists.txt b/src/plugins/dns/CMakeLists.txt
new file mode 100644
index 00000000000..5d1ac8628db
--- /dev/null
+++ b/src/plugins/dns/CMakeLists.txt
@@ -0,0 +1,33 @@
+
+# Copyright (c) <current-year> <your-organization>
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+add_vpp_plugin(dns
+ SOURCES
+ dns.c
+ dns.h
+ request_node.c
+ reply_node.c
+ resolver_process.c
+
+ API_FILES
+ dns.api
+
+ INSTALL_HEADERS
+ dns_all_api_h.h
+ dns_msg_enum.h
+ dns_packet.h
+
+ API_TEST_SOURCES
+ dns_test.c
+)
diff --git a/src/vnet/dns/dns.api b/src/plugins/dns/dns.api
index 4045b8111c4..a4faec6bbb5 100644
--- a/src/vnet/dns/dns.api
+++ b/src/plugins/dns/dns.api
@@ -12,7 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
+
option version = "1.0.0";
/** \brief enable/disable name resolution
@@ -21,7 +21,7 @@ option version = "1.0.0";
@param context - sender context, to match reply w/ request
@param is_enable - 1 = enable, 0 = disable
*/
-autoreply define dns_enable_disable {
+autoreply manual_print define dns_enable_disable {
u32 client_index;
u32 context;
u8 enable;
@@ -35,7 +35,7 @@ autoreply define dns_enable_disable {
@param is_add - add = 1, delete = 0
@param server_address - server ip address
*/
-autoreply define dns_name_server_add_del {
+autoreply manual_print define dns_name_server_add_del {
u32 client_index;
u32 context;
u8 is_ip6;
@@ -49,7 +49,7 @@ autoreply define dns_name_server_add_del {
@param context - sender context, to match reply w/ request
@param name - the name to resolve
*/
-define dns_resolve_name {
+manual_print define dns_resolve_name {
u32 client_index;
u32 context;
u8 name[256];
@@ -81,7 +81,7 @@ define dns_resolve_name_reply {
@param is_ip6 - set if the reverse-DNS request is an ip6 address
@param address - the address to map to a name
*/
-define dns_resolve_ip {
+manual_print define dns_resolve_ip {
u32 client_index;
u32 context;
u8 is_ip6;
@@ -100,4 +100,3 @@ define dns_resolve_ip_reply {
i32 retval;
u8 name[256];
};
-
diff --git a/src/vnet/dns/dns.c b/src/plugins/dns/dns.c
index eac95450485..5c51a446d98 100644
--- a/src/vnet/dns/dns.c
+++ b/src/plugins/dns/dns.c
@@ -13,32 +13,51 @@
* limitations under the License.
*/
-#include <vnet/dns/dns.h>
-
#include <vnet/vnet.h>
-#include <vnet/fib/fib.h>
-#include <vlibmemory/api.h>
-
#include <vnet/udp/udp.h>
+#include <vnet/plugin/plugin.h>
+#include <vnet/fib/fib_table.h>
+#include <dns/dns.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vpp/app/version.h>
+#include <stdbool.h>
-#include <vnet/vnet_msg_enum.h>
+/* define message IDs */
+#include <dns/dns_msg_enum.h>
-#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
+/* define message structures */
+#define vl_typedefs
+#include <dns/dns_all_api_h.h>
#undef vl_typedefs
-#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <dns/dns_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
+#include <dns/dns_all_api_h.h>
#undef vl_printfun
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <dns/dns_all_api_h.h>
+#undef vl_api_version
+
+#define REPLY_MSG_ID_BASE dm->msg_id_base
#include <vlibapi/api_helper_macros.h>
+/* Macro to finish up custom dump fns */
+#define FINISH \
+ vec_add1 (s, 0); \
+ vl_print (handle, (char *)s); \
+ vec_free (s); \
+ return handle;
+
dns_main_t dns_main;
static int
@@ -49,7 +68,7 @@ dns_cache_clear (dns_main_t * dm)
if (dm->is_enabled == 0)
return VNET_API_ERROR_NAME_RESOLUTION_NOT_ENABLED;
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 1);
/* *INDENT-OFF* */
pool_foreach (ep, dm->entries,
@@ -702,7 +721,7 @@ dns_delete_by_name (dns_main_t * dm, u8 * name)
if (dm->is_enabled == 0)
return VNET_API_ERROR_NAME_RESOLUTION_NOT_ENABLED;
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 2);
p = hash_get_mem (dm->cache_entry_by_name, name);
if (!p)
{
@@ -736,7 +755,7 @@ delete_random_entry (dns_main_t * dm)
return VNET_API_ERROR_UNSPECIFIED;
#endif
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 3);
limit = pool_elts (dm->entries);
start_index = random_u32 (&dm->random_seed) % limit;
@@ -773,7 +792,7 @@ dns_add_static_entry (dns_main_t * dm, u8 * name, u8 * dns_reply_data)
if (dm->is_enabled == 0)
return VNET_API_ERROR_NAME_RESOLUTION_NOT_ENABLED;
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 4);
p = hash_get_mem (dm->cache_entry_by_name, name);
if (p)
{
@@ -821,7 +840,11 @@ vnet_dns_resolve_name (dns_main_t * dm, u8 * name, dns_pending_request_t * t,
/* In case we can't actually answer the question right now... */
*retp = 0;
- dns_cache_lock (dm);
+ /* binary API caller might forget to set the name. Guess how we know. */
+ if (name[0] == 0)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ dns_cache_lock (dm, 5);
search_again:
p = hash_get_mem (dm->cache_entry_by_name, name);
if (p)
@@ -880,9 +903,8 @@ search_again:
name = ep->cname;
goto search_again;
}
-
- /* Note: caller must drop the lock! */
*retp = ep;
+ dns_cache_unlock (dm);
return (0);
}
else
@@ -1555,44 +1577,25 @@ vl_api_dns_resolve_ip_t_handler (vl_api_dns_resolve_ip_t * mp)
}
#define vl_msg_name_crc_list
-#include <vpp/api/vpe_all_api_h.h>
+#include <dns/dns_all_api_h.h>
#undef vl_msg_name_crc_list
static void
-setup_message_id_table (api_main_t * am)
+setup_message_id_table (dns_main_t * dm)
{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (dm->api_main, #n "_" #crc, dm->msg_id_base + id);
foreach_vl_msg_name_crc_dns;
#undef _
}
-#define foreach_dns_api_msg \
+#define foreach_dns_plugin_api_msg \
_(DNS_ENABLE_DISABLE, dns_enable_disable) \
_(DNS_NAME_SERVER_ADD_DEL, dns_name_server_add_del) \
_(DNS_RESOLVE_NAME, dns_resolve_name) \
_(DNS_RESOLVE_IP, dns_resolve_ip)
static clib_error_t *
-dns_api_hookup (vlib_main_t * vm)
-{
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_dns_api_msg;
-#undef _
-
- setup_message_id_table (&api_main);
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (dns_api_hookup);
-
-
-static clib_error_t *
dns_config_fn (vlib_main_t * vm, unformat_input_t * input)
{
dns_main_t *dm = &dns_main;
@@ -1612,22 +1615,6 @@ dns_config_fn (vlib_main_t * vm, unformat_input_t * input)
VLIB_CONFIG_FUNCTION (dns_config_fn, "dns");
-static clib_error_t *
-dns_init (vlib_main_t * vm)
-{
- dns_main_t *dm = &dns_main;
-
- dm->vlib_main = vm;
- dm->vnet_main = vnet_get_main ();
- dm->name_cache_size = 65535;
- dm->max_ttl_in_seconds = 86400;
- dm->random_seed = 0xDEADDABE;
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (dns_init);
-
uword
unformat_dns_reply (unformat_input_t * input, va_list * args)
{
@@ -2145,7 +2132,7 @@ format_dns_cache (u8 * s, va_list * args)
return s;
}
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 6);
if (name)
{
@@ -2299,6 +2286,44 @@ VLIB_CLI_COMMAND (show_dns_cache_command) =
/* *INDENT-ON* */
static clib_error_t *
+show_dns_servers_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ dns_main_t *dm = &dns_main;
+ int i;
+
+ if ((vec_len (dm->ip4_name_servers) + vec_len (dm->ip6_name_servers)) == 0)
+ return clib_error_return (0, "No name servers configured...");
+
+ if (vec_len (dm->ip4_name_servers))
+ {
+ vlib_cli_output (vm, "ip4 name servers:");
+ for (i = 0; i < vec_len (dm->ip4_name_servers); i++)
+ vlib_cli_output (vm, "%U", format_ip4_address,
+ dm->ip4_name_servers + i);
+ }
+ if (vec_len (dm->ip6_name_servers))
+ {
+ vlib_cli_output (vm, "ip6 name servers:");
+ for (i = 0; i < vec_len (dm->ip6_name_servers); i++)
+ vlib_cli_output (vm, "%U", format_ip6_address,
+ dm->ip4_name_servers + i);
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_dns_server_command) =
+{
+ .path = "show dns servers",
+ .short_help = "show dns servers",
+ .function = show_dns_servers_command_fn,
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
dns_cache_add_del_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
@@ -2710,7 +2735,7 @@ test_dns_expire_command_fn (vlib_main_t * vm,
else
return clib_error_return (0, "no name provided");
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 7);
p = hash_get_mem (dm->cache_entry_by_name, name);
if (!p)
@@ -3003,6 +3028,130 @@ found_src_address:
}
}
+static void *vl_api_dns_enable_disable_t_print
+ (vl_api_dns_enable_disable_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: dns_enable_disable ");
+ s = format (s, "%s ", mp->enable ? "enable" : "disable");
+
+ FINISH;
+}
+
+static void *vl_api_dns_name_server_add_del_t_print
+ (vl_api_dns_name_server_add_del_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: dns_name_server_add_del ");
+ if (mp->is_ip6)
+ s = format (s, "%U ", format_ip6_address,
+ (ip6_address_t *) mp->server_address);
+ else
+ s = format (s, "%U ", format_ip4_address,
+ (ip4_address_t *) mp->server_address);
+
+ if (mp->is_add == 0)
+ s = format (s, "del ");
+
+ FINISH;
+}
+
+static void *vl_api_dns_resolve_name_t_print
+ (vl_api_dns_resolve_name_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: dns_resolve_name ");
+ s = format (s, "%s ", mp->name);
+ FINISH;
+}
+
+static void *vl_api_dns_resolve_ip_t_print
+ (vl_api_dns_resolve_ip_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: dns_resolve_ip ");
+ if (mp->is_ip6)
+ s = format (s, "%U ", format_ip6_address, mp->address);
+ else
+ s = format (s, "%U ", format_ip4_address, mp->address);
+ FINISH;
+}
+
+static void
+dns_custom_dump_configure (dns_main_t * dm)
+{
+#define _(n,f) dm->api_main->msg_print_handlers \
+ [VL_API_##n + dm->msg_id_base] \
+ = (void *) vl_api_##f##_t_print;
+ foreach_dns_plugin_api_msg;
+#undef _
+}
+
+/* Set up the API message handling tables */
+static clib_error_t *
+dns_plugin_api_hookup (vlib_main_t * vm)
+{
+ dns_main_t *dmp = &dns_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + dmp->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_dns_plugin_api_msg;
+#undef _
+
+ return 0;
+}
+
+static clib_error_t *
+dns_init (vlib_main_t * vm)
+{
+ dns_main_t *dm = &dns_main;
+ u8 *name;
+
+ dm->vlib_main = vm;
+ dm->vnet_main = vnet_get_main ();
+ dm->name_cache_size = 1000;
+ dm->max_ttl_in_seconds = 86400;
+ dm->random_seed = 0xDEADDABE;
+ dm->api_main = &api_main;
+
+ name = format (0, "dns_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ dm->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+ (void) dns_plugin_api_hookup (vm);
+
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (dm);
+
+ dns_custom_dump_configure (dm);
+
+ vec_free (name);
+
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (dns_init);
+
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () =
+{
+ .version = VPP_BUILD_VER,
+ .description = "Simple DNS name resolver",
+};
+/* *INDENT-ON* */
+
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vnet/dns/dns.h b/src/plugins/dns/dns.h
index 6d0901020f9..499c71567d6 100644
--- a/src/vnet/dns/dns.h
+++ b/src/plugins/dns/dns.h
@@ -21,9 +21,10 @@
#include <vppinfra/error.h>
#include <vppinfra/hash.h>
-#include <vnet/dns/dns_packet.h>
+#include <dns/dns_packet.h>
#include <vnet/ip/ip.h>
#include <vppinfra/lock.h>
+#include <vlibapi/api_common.h>
typedef struct
{
@@ -98,6 +99,7 @@ typedef struct
/** Find cached record by name */
uword *cache_entry_by_name;
clib_spinlock_t cache_lock;
+ int cache_lock_tag;
/** enable / disable flag */
int is_enabled;
@@ -117,9 +119,13 @@ typedef struct
u32 max_ttl_in_seconds;
u32 random_seed;
+ /** message-ID base */
+ u16 msg_id_base;
+
/* convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
+ api_main_t *api_main;
} dns_main_t;
extern dns_main_t dns_main;
@@ -193,11 +199,14 @@ void vnet_dns_create_resolver_process (dns_main_t * dm);
format_function_t format_dns_reply;
static inline void
-dns_cache_lock (dns_main_t * dm)
+dns_cache_lock (dns_main_t * dm, int tag)
{
if (dm->cache_lock)
{
+ ASSERT (tag);
+ ASSERT (dm->cache_lock_tag == 0);
clib_spinlock_lock (&dm->cache_lock);
+ dm->cache_lock_tag = tag;
}
}
@@ -206,6 +215,8 @@ dns_cache_unlock (dns_main_t * dm)
{
if (dm->cache_lock)
{
+ ASSERT (dm->cache_lock_tag);
+ dm->cache_lock_tag = 0;
clib_spinlock_unlock (&dm->cache_lock);
}
}
diff --git a/src/plugins/dns/dns_all_api_h.h b/src/plugins/dns/dns_all_api_h.h
new file mode 100644
index 00000000000..c226bcf18a4
--- /dev/null
+++ b/src/plugins/dns/dns_all_api_h.h
@@ -0,0 +1,19 @@
+
+/*
+ * dns_all_api_h.h - skeleton vpp engine plug-in api #include file
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* Include the generated file, see BUILT_SOURCES in Makefile.am */
+#include <dns/dns.api.h>
diff --git a/src/plugins/dns/dns_msg_enum.h b/src/plugins/dns/dns_msg_enum.h
new file mode 100644
index 00000000000..bad374f7969
--- /dev/null
+++ b/src/plugins/dns/dns_msg_enum.h
@@ -0,0 +1,31 @@
+
+/*
+ * dns_msg_enum.h - skeleton vpp engine plug-in message enumeration
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef included_dns_msg_enum_h
+#define included_dns_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <dns/dns_all_api_h.h>
+ /* We'll want to know how many messages IDs we need... */
+ VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif /* included_dns_msg_enum_h */
diff --git a/src/vnet/dns/dns_packet.h b/src/plugins/dns/dns_packet.h
index da5ddfa64fe..da5ddfa64fe 100644
--- a/src/vnet/dns/dns_packet.h
+++ b/src/plugins/dns/dns_packet.h
diff --git a/src/plugins/dns/dns_test.c b/src/plugins/dns/dns_test.c
new file mode 100644
index 00000000000..6b0b371dca1
--- /dev/null
+++ b/src/plugins/dns/dns_test.c
@@ -0,0 +1,346 @@
+/*
+ * dns.c - skeleton vpp-api-test plug-in
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <stdbool.h>
+#include <vnet/ip/ip.h>
+
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare message IDs */
+#include <dns/dns_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <dns/dns_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <dns/dns_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <dns/dns_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <dns/dns_all_api_h.h>
+#undef vl_api_version
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} dns_test_main_t;
+
+dns_test_main_t dns_test_main;
+
+#define __plugin_msg_base dns_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+#define foreach_standard_reply_retval_handler \
+_(dns_enable_disable_reply) \
+_(dns_name_server_add_del_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = dns_test_main.vat_main; \
+ i32 retval = (i32) clib_net_to_host_u32(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+static void vl_api_dns_resolve_name_reply_t_handler
+ (vl_api_dns_resolve_name_reply_t * mp)
+{
+ vat_main_t *vam = dns_test_main.vat_main;
+ i32 retval = (i32) clib_net_to_host_u32 (mp->retval);
+ if (retval == 0)
+ {
+ if (mp->ip4_set)
+ clib_warning ("resolved: %U", format_ip4_address, mp->ip4_address);
+ if (mp->ip6_set)
+ clib_warning ("resolved: %U", format_ip6_address, mp->ip6_address);
+ }
+ if (vam->async_mode)
+ vam->async_errors += (retval < 0);
+ else
+ {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+}
+
+static void vl_api_dns_resolve_ip_reply_t_handler
+ (vl_api_dns_resolve_ip_reply_t * mp)
+{
+ vat_main_t *vam = dns_test_main.vat_main;
+ i32 retval = (i32) clib_net_to_host_u32 (mp->retval);
+ if (retval == 0)
+ clib_warning ("resolved: %s", mp->name);
+ if (vam->async_mode)
+ vam->async_errors += (retval < 0);
+ else
+ {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+}
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(DNS_ENABLE_DISABLE_REPLY, dns_enable_disable_reply) \
+_(DNS_NAME_SERVER_ADD_DEL_REPLY, dns_name_server_add_del_reply) \
+_(DNS_RESOLVE_NAME_REPLY, dns_resolve_name_reply) \
+_(DNS_RESOLVE_IP_REPLY, dns_resolve_ip_reply)
+
+static int
+api_dns_enable_disable (vat_main_t * vam)
+{
+ vl_api_dns_enable_disable_t *mp;
+ unformat_input_t *i = vam->input;
+ int enable = 1;
+ int ret;
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "disable"))
+ enable = 0;
+ else if (unformat (i, "enable"))
+ enable = 1;
+ else
+ break;
+ }
+
+ /* Construct the API message */
+ M (DNS_ENABLE_DISABLE, mp);
+ mp->enable = enable;
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply... */
+ W (ret);
+ return ret;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(dns_enable_disable, "[enable][disable]") \
+_(dns_name_server_add_del, "<ip-address> [del]") \
+_(dns_resolve_name, "<hostname>") \
+_(dns_resolve_ip, "<ip4|ip6>") \
+_(dns_name_server_add_del, "<ip-address> [del]") \
+_(dns_resolve_name, "<hostname>")
+
+static int
+api_dns_resolve_name (vat_main_t * vam)
+{
+ unformat_input_t *line_input = vam->input;
+ vl_api_dns_resolve_name_t *mp;
+ u8 *name = 0;
+ int ret;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%s", &name))
+ ;
+ else
+ break;
+ }
+
+ if (vec_len (name) > 127)
+ {
+ errmsg ("name too long");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (DNS_RESOLVE_NAME, mp);
+ memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+
+ /* send it... */
+ S (mp);
+ /* Wait for the reply */
+ W (ret);
+ return ret;
+}
+
+static int
+api_dns_resolve_ip (vat_main_t * vam)
+{
+ unformat_input_t *line_input = vam->input;
+ vl_api_dns_resolve_ip_t *mp;
+ int is_ip6 = -1;
+ ip4_address_t addr4;
+ ip6_address_t addr6;
+ int ret;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U", unformat_ip6_address, &addr6))
+ is_ip6 = 1;
+ else if (unformat (line_input, "%U", unformat_ip4_address, &addr4))
+ is_ip6 = 0;
+ else
+ break;
+ }
+
+ if (is_ip6 == -1)
+ {
+ errmsg ("missing address");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (DNS_RESOLVE_IP, mp);
+ mp->is_ip6 = is_ip6;
+ if (is_ip6)
+ memcpy (mp->address, &addr6, sizeof (addr6));
+ else
+ memcpy (mp->address, &addr4, sizeof (addr4));
+
+ /* send it... */
+ S (mp);
+ /* Wait for the reply */
+ W (ret);
+ return ret;
+}
+
+static int
+api_dns_name_server_add_del (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_dns_name_server_add_del_t *mp;
+ u8 is_add = 1;
+ ip6_address_t ip6_server;
+ ip4_address_t ip4_server;
+ int ip6_set = 0;
+ int ip4_set = 0;
+ int ret = 0;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", unformat_ip6_address, &ip6_server))
+ ip6_set = 1;
+ else if (unformat (i, "%U", unformat_ip4_address, &ip4_server))
+ ip4_set = 1;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ {
+ clib_warning ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (ip4_set && ip6_set)
+ {
+ errmsg ("Only one server address allowed per message");
+ return -99;
+ }
+ if ((ip4_set + ip6_set) == 0)
+ {
+ errmsg ("Server address required");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (DNS_NAME_SERVER_ADD_DEL, mp);
+
+ if (ip6_set)
+ {
+ memcpy (mp->server_address, &ip6_server, sizeof (ip6_address_t));
+ mp->is_ip6 = 1;
+ }
+ else
+ {
+ memcpy (mp->server_address, &ip4_server, sizeof (ip4_address_t));
+ mp->is_ip6 = 0;
+ }
+
+ mp->is_add = is_add;
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply, return good/bad news */
+ W (ret);
+ return ret;
+}
+
+static void
+dns_api_hookup (vat_main_t * vam)
+{
+ dns_test_main_t *dtmp = &dns_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + dtmp->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+VAT_PLUGIN_REGISTER (dns);
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/dns/reply_node.c b/src/plugins/dns/reply_node.c
index 77d54c84019..5d7e735e885 100644
--- a/src/vnet/dns/reply_node.c
+++ b/src/plugins/dns/reply_node.c
@@ -13,7 +13,7 @@
* limitations under the License.
*/
-#include <vnet/dns/dns.h>
+#include <dns/dns.h>
#include <vlib/vlib.h>
#include <vnet/vnet.h>
diff --git a/src/vnet/dns/request_node.c b/src/plugins/dns/request_node.c
index f9ad7cc0ad8..d26e579cf47 100644
--- a/src/vnet/dns/request_node.c
+++ b/src/plugins/dns/request_node.c
@@ -13,7 +13,7 @@
* limitations under the License.
*/
-#include <vnet/dns/dns.h>
+#include <dns/dns.h>
#include <vlib/vlib.h>
#include <vnet/vnet.h>
diff --git a/src/vnet/dns/resolver_process.c b/src/plugins/dns/resolver_process.c
index 4ed7c799ce2..51fe9d76a08 100644
--- a/src/vnet/dns/resolver_process.c
+++ b/src/plugins/dns/resolver_process.c
@@ -13,36 +13,37 @@
* limitations under the License.
*/
-#include <vnet/dns/dns.h>
+#include <dns/dns.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vlib/vlib.h>
#include <vnet/vnet.h>
-#include <vnet/vnet_msg_enum.h>
+/* define message IDs */
+#include <dns/dns_msg_enum.h>
#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
+#include <dns/dns_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
+#include <dns/dns_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
+#include <dns/dns_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
-extern int
+int
vnet_dns_response_to_reply (u8 * response,
vl_api_dns_resolve_name_reply_t * rmp,
u32 * min_ttlp);
-extern int
+int
vnet_dns_response_to_name (u8 * response,
vl_api_dns_resolve_ip_reply_t * rmp,
u32 * min_ttlp);
@@ -69,7 +70,7 @@ resolve_event (dns_main_t * dm, f64 now, u8 * reply)
/* $$$ u16 limits cache to 65K entries, fix later multiple dst ports */
pool_index = clib_net_to_host_u16 (d->id);
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 10);
if (pool_is_free_index (dm->entries, pool_index))
{
@@ -197,7 +198,8 @@ reply:
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id =
- clib_host_to_net_u16 (VL_API_DNS_RESOLVE_NAME_REPLY);
+ clib_host_to_net_u16 (VL_API_DNS_RESOLVE_NAME_REPLY
+ + dm->msg_id_base);
rmp->context = pr->client_context;
min_ttl = ~0;
rv = vnet_dns_response_to_reply (ep->dns_response, rmp, &min_ttl);
@@ -218,7 +220,8 @@ reply:
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id =
- clib_host_to_net_u16 (VL_API_DNS_RESOLVE_IP_REPLY);
+ clib_host_to_net_u16 (VL_API_DNS_RESOLVE_IP_REPLY
+ + dm->msg_id_base);
rmp->context = pr->client_context;
min_ttl = ~0;
rv = vnet_dns_response_to_name (ep->dns_response, rmp, &min_ttl);
@@ -303,7 +306,7 @@ retry_scan (dns_main_t * dm, f64 now)
for (i = 0; i < vec_len (dm->unresolved_entries); i++)
{
- dns_cache_lock (dm);
+ dns_cache_lock (dm, 11);
ep = pool_elt_at_index (dm->entries, dm->unresolved_entries[i]);
ASSERT ((ep->flags & DNS_CACHE_ENTRY_FLAG_VALID) == 0);
diff --git a/src/plugins/dns/test/test_dns.py b/src/plugins/dns/test/test_dns.py
new file mode 100644
index 00000000000..703f0d5caec
--- /dev/null
+++ b/src/plugins/dns/test/test_dns.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+
+import unittest
+import socket
+
+from framework import VppTestCase, VppTestRunner
+from ipaddress import *
+
+import scapy.compat
+from scapy.contrib.mpls import MPLS
+from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+from scapy.layers.dns import DNSRR, DNS, DNSQR
+
+
+class TestDns(VppTestCase):
+ """ Dns Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestDns, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDns, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestDns, self).setUp()
+
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TestDns, self).tearDown()
+
+ def create_stream(self, src_if):
+ """Create input packet stream for defined interface.
+
+ :param VppInterface src_if: Interface to create packet stream for.
+ """
+ good_request = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=src_if.remote_ip4) /
+ UDP(sport=1234, dport=53) /
+ DNS(rd=1, qd=DNSQR(qname="bozo.clown.org")))
+
+ bad_request = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=src_if.remote_ip4) /
+ UDP(sport=1234, dport=53) /
+ DNS(rd=1, qd=DNSQR(qname="no.clown.org")))
+ pkts = [good_request, bad_request]
+ return pkts
+
+ def verify_capture(self, dst_if, capture):
+ """Verify captured input packet stream for defined interface.
+
+ :param VppInterface dst_if: Interface to verify captured packet stream
+ for.
+ :param list capture: Captured packet stream.
+ """
+ self.logger.info("Verifying capture on interface %s" % dst_if.name)
+ for packet in capture:
+ dns = packet[DNS]
+ self.assertEqual(dns.an[0].rdata, '1.2.3.4')
+
+ def test_dns_unittest(self):
+ """ DNS Name Resolver Basic Functional Test """
+
+ # Set up an upstream name resolver. We won't actually go there
+ self.vapi.dns_name_server_add_del(
+ is_ip6=0, is_add=1, server_address=IPv4Address(u'8.8.8.8').packed)
+
+ # Enable name resolution
+ self.vapi.dns_enable_disable(enable=1)
+
+ # Manually add a static dns cache entry
+ self.logger.info(self.vapi.cli("dns cache add bozo.clown.org 1.2.3.4"))
+
+ # Test the binary API
+ rv = self.vapi.dns_resolve_name(name='bozo.clown.org')
+ self.assertEqual(rv.ip4_address, IPv4Address(u'1.2.3.4').packed)
+
+ # Configure 127.0.0.1/8 on the pg interface
+ ip_addr_n = socket.inet_pton(socket.AF_INET, "127.0.0.1")
+
+ self.vapi.sw_interface_add_del_address(
+ sw_if_index=self.pg0.sw_if_index,
+ address=ip_addr_n, address_length=8)
+
+ # Send a couple of DNS request packets, one for bozo.clown.org
+ # and one for no.clown.org which won't resolve
+
+ pkts = self.create_stream(self.pg0)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+
+ self.pg_start()
+ pkts = self.pg0.get_capture(1)
+ self.verify_capture(self.pg0, pkts)
+
+ # Make sure that the cache contents are correct
+ str = self.vapi.cli("show dns cache verbose")
+ self.assertIn('1.2.3.4', str)
+ self.assertIn('[P] no.clown.org:', str)
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/vat/api_format.c b/src/vat/api_format.c
index ec21c045f5c..19a7b29d01c 100644
--- a/src/vat/api_format.c
+++ b/src/vat/api_format.c
@@ -2574,70 +2574,6 @@ static void vl_api_create_vhost_user_if_reply_t_handler_json
vam->result_ready = 1;
}
-static void vl_api_dns_resolve_name_reply_t_handler
- (vl_api_dns_resolve_name_reply_t * mp)
-{
- vat_main_t *vam = &vat_main;
- i32 retval = ntohl (mp->retval);
- if (vam->async_mode)
- {
- vam->async_errors += (retval < 0);
- }
- else
- {
- vam->retval = retval;
- vam->result_ready = 1;
-
- if (retval == 0)
- {
- if (mp->ip4_set)
- clib_warning ("ip4 address %U", format_ip4_address,
- (ip4_address_t *) mp->ip4_address);
- if (mp->ip6_set)
- clib_warning ("ip6 address %U", format_ip6_address,
- (ip6_address_t *) mp->ip6_address);
- }
- else
- clib_warning ("retval %d", retval);
- }
-}
-
-static void vl_api_dns_resolve_name_reply_t_handler_json
- (vl_api_dns_resolve_name_reply_t * mp)
-{
- clib_warning ("not implemented");
-}
-
-static void vl_api_dns_resolve_ip_reply_t_handler
- (vl_api_dns_resolve_ip_reply_t * mp)
-{
- vat_main_t *vam = &vat_main;
- i32 retval = ntohl (mp->retval);
- if (vam->async_mode)
- {
- vam->async_errors += (retval < 0);
- }
- else
- {
- vam->retval = retval;
- vam->result_ready = 1;
-
- if (retval == 0)
- {
- clib_warning ("canonical name %s", mp->name);
- }
- else
- clib_warning ("retval %d", retval);
- }
-}
-
-static void vl_api_dns_resolve_ip_reply_t_handler_json
- (vl_api_dns_resolve_ip_reply_t * mp)
-{
- clib_warning ("not implemented");
-}
-
-
static void vl_api_ip_address_details_t_handler
(vl_api_ip_address_details_t * mp)
{
@@ -5265,8 +5201,6 @@ _(p2p_ethernet_del_reply) \
_(lldp_config_reply) \
_(sw_interface_set_lldp_reply) \
_(tcp_configure_src_addresses_reply) \
-_(dns_enable_disable_reply) \
-_(dns_name_server_add_del_reply) \
_(session_rule_add_del_reply) \
_(ip_container_proxy_add_del_reply) \
_(output_acl_set_interface_reply) \
@@ -5583,10 +5517,6 @@ _(LLDP_CONFIG_REPLY, lldp_config_reply) \
_(SW_INTERFACE_SET_LLDP_REPLY, sw_interface_set_lldp_reply) \
_(TCP_CONFIGURE_SRC_ADDRESSES_REPLY, tcp_configure_src_addresses_reply) \
_(APP_NAMESPACE_ADD_DEL_REPLY, app_namespace_add_del_reply) \
-_(DNS_ENABLE_DISABLE_REPLY, dns_enable_disable_reply) \
-_(DNS_NAME_SERVER_ADD_DEL_REPLY, dns_name_server_add_del_reply) \
-_(DNS_RESOLVE_NAME_REPLY, dns_resolve_name_reply) \
-_(DNS_RESOLVE_IP_REPLY, dns_resolve_ip_reply) \
_(SESSION_RULE_ADD_DEL_REPLY, session_rule_add_del_reply) \
_(SESSION_RULES_DETAILS, session_rules_details) \
_(IP_CONTAINER_PROXY_ADD_DEL_REPLY, ip_container_proxy_add_del_reply) \
@@ -20952,172 +20882,6 @@ api_sock_init_shm (vat_main_t * vam)
#endif
}
-static int
-api_dns_enable_disable (vat_main_t * vam)
-{
- unformat_input_t *line_input = vam->input;
- vl_api_dns_enable_disable_t *mp;
- u8 enable_disable = 1;
- int ret;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "disable"))
- enable_disable = 0;
- if (unformat (line_input, "enable"))
- enable_disable = 1;
- else
- break;
- }
-
- /* Construct the API message */
- M (DNS_ENABLE_DISABLE, mp);
- mp->enable = enable_disable;
-
- /* send it... */
- S (mp);
- /* Wait for the reply */
- W (ret);
- return ret;
-}
-
-static int
-api_dns_resolve_name (vat_main_t * vam)
-{
- unformat_input_t *line_input = vam->input;
- vl_api_dns_resolve_name_t *mp;
- u8 *name = 0;
- int ret;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "%s", &name))
- ;
- else
- break;
- }
-
- if (vec_len (name) > 127)
- {
- errmsg ("name too long");
- return -99;
- }
-
- /* Construct the API message */
- M (DNS_RESOLVE_NAME, mp);
- memcpy (mp->name, name, vec_len (name));
- vec_free (name);
-
- /* send it... */
- S (mp);
- /* Wait for the reply */
- W (ret);
- return ret;
-}
-
-static int
-api_dns_resolve_ip (vat_main_t * vam)
-{
- unformat_input_t *line_input = vam->input;
- vl_api_dns_resolve_ip_t *mp;
- int is_ip6 = -1;
- ip4_address_t addr4;
- ip6_address_t addr6;
- int ret;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "%U", unformat_ip6_address, &addr6))
- is_ip6 = 1;
- else if (unformat (line_input, "%U", unformat_ip4_address, &addr4))
- is_ip6 = 0;
- else
- break;
- }
-
- if (is_ip6 == -1)
- {
- errmsg ("missing address");
- return -99;
- }
-
- /* Construct the API message */
- M (DNS_RESOLVE_IP, mp);
- mp->is_ip6 = is_ip6;
- if (is_ip6)
- memcpy (mp->address, &addr6, sizeof (addr6));
- else
- memcpy (mp->address, &addr4, sizeof (addr4));
-
- /* send it... */
- S (mp);
- /* Wait for the reply */
- W (ret);
- return ret;
-}
-
-static int
-api_dns_name_server_add_del (vat_main_t * vam)
-{
- unformat_input_t *i = vam->input;
- vl_api_dns_name_server_add_del_t *mp;
- u8 is_add = 1;
- ip6_address_t ip6_server;
- ip4_address_t ip4_server;
- int ip6_set = 0;
- int ip4_set = 0;
- int ret = 0;
-
- while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (i, "%U", unformat_ip6_address, &ip6_server))
- ip6_set = 1;
- else if (unformat (i, "%U", unformat_ip4_address, &ip4_server))
- ip4_set = 1;
- else if (unformat (i, "del"))
- is_add = 0;
- else
- {
- clib_warning ("parse error '%U'", format_unformat_error, i);
- return -99;
- }
- }
-
- if (ip4_set && ip6_set)
- {
- errmsg ("Only one server address allowed per message");
- return -99;
- }
- if ((ip4_set + ip6_set) == 0)
- {
- errmsg ("Server address required");
- return -99;
- }
-
- /* Construct the API message */
- M (DNS_NAME_SERVER_ADD_DEL, mp);
-
- if (ip6_set)
- {
- memcpy (mp->server_address, &ip6_server, sizeof (ip6_address_t));
- mp->is_ip6 = 1;
- }
- else
- {
- memcpy (mp->server_address, &ip4_server, sizeof (ip4_address_t));
- mp->is_ip6 = 0;
- }
-
- mp->is_add = is_add;
-
- /* send it... */
- S (mp);
-
- /* Wait for a reply, return good/bad news */
- W (ret);
- return ret;
-}
-
static void
vl_api_session_rules_details_t_handler (vl_api_session_rules_details_t * mp)
{
@@ -22382,12 +22146,6 @@ _(sw_interface_set_lldp, "<intfc> | sw_if_index <nn> [port-desc <description>]\n
_(tcp_configure_src_addresses, "<ip4|6>first-<ip4|6>last [vrf <id>]") \
_(sock_init_shm, "size <nnn>") \
_(app_namespace_add_del, "[add] id <ns-id> secret <nn> sw_if_index <nn>")\
-_(dns_enable_disable, "[enable][disable]") \
-_(dns_name_server_add_del, "<ip-address> [del]") \
-_(dns_resolve_name, "<hostname>") \
-_(dns_resolve_ip, "<ip4|ip6>") \
-_(dns_name_server_add_del, "<ip-address> [del]") \
-_(dns_resolve_name, "<hostname>") \
_(session_rule_add_del, "[add|del] proto <tcp/udp> <lcl-ip>/<plen> " \
"<lcl-port> <rmt-ip>/<plen> <rmt-port> action <nn>") \
_(session_rules_dump, "") \
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index beef1c99b38..2f7bef4f532 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -1030,24 +1030,6 @@ list(APPEND VNET_HEADERS
list(APPEND VNET_API_FILES span/span.api)
##############################################################################
-# DNS proxy, API
-##############################################################################
-list(APPEND VNET_SOURCES
- dns/dns.c
- dns/dns.h
- dns/dns_packet.h
- dns/reply_node.c
- dns/request_node.c
- dns/resolver_process.c
-)
-
-list(APPEND VNET_HEADERS
- dns/dns.h
-)
-
-list(APPEND VNET_API_FILES dns/dns.api)
-
-##############################################################################
# Packet generator
##############################################################################
diff --git a/src/vnet/vnet_all_api_h.h b/src/vnet/vnet_all_api_h.h
index dc0ab5fcf9b..ad6dd6a8d79 100644
--- a/src/vnet/vnet_all_api_h.h
+++ b/src/vnet/vnet_all_api_h.h
@@ -62,7 +62,6 @@
#include <vnet/policer/policer.api.h>
#include <vnet/ethernet/p2p_ethernet.api.h>
#include <vnet/tcp/tcp.api.h>
-#include <vnet/dns/dns.api.h>
#include <vnet/udp/udp.api.h>
#include <vnet/bier/bier.api.h>
#include <vnet/ip/punt.api.h>
diff --git a/src/vpp/api/custom_dump.c b/src/vpp/api/custom_dump.c
index c75837209d5..70071aaae61 100644
--- a/src/vpp/api/custom_dump.c
+++ b/src/vpp/api/custom_dump.c
@@ -3637,29 +3637,6 @@ static void *vl_api_app_namespace_add_del_t_print
FINISH;
}
-static void *vl_api_lldp_config_t_print
- (vl_api_lldp_config_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: lldp_config ");
- s = format (s, "system_name %s ", mp->system_name);
- s = format (s, "tx_hold %d ", ntohl (mp->tx_hold));
- s = format (s, "tx_interval %d ", ntohl (mp->tx_interval));
- FINISH;
-}
-
-static void *vl_api_dns_enable_disable_t_print
- (vl_api_dns_enable_disable_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: dns_enable_disable ");
- s = format (s, "%s ", mp->enable ? "enable" : "disable");
-
- FINISH;
-}
-
static void *vl_api_sw_interface_set_lldp_t_print
(vl_api_sw_interface_set_lldp_t * mp, void *handle)
{
@@ -3689,45 +3666,15 @@ static void *vl_api_sw_interface_set_lldp_t_print
FINISH;
}
-static void *vl_api_dns_name_server_add_del_t_print
- (vl_api_dns_name_server_add_del_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: dns_name_server_add_del ");
- if (mp->is_ip6)
- s = format (s, "%U ", format_ip6_address,
- (ip6_address_t *) mp->server_address);
- else
- s = format (s, "%U ", format_ip4_address,
- (ip4_address_t *) mp->server_address);
-
- if (mp->is_add == 0)
- s = format (s, "del ");
-
- FINISH;
-}
-
-static void *vl_api_dns_resolve_name_t_print
- (vl_api_dns_resolve_name_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: dns_resolve_name ");
- s = format (s, "%s ", mp->name);
- FINISH;
-}
-
-static void *vl_api_dns_resolve_ip_t_print
- (vl_api_dns_resolve_ip_t * mp, void *handle)
+static void *vl_api_lldp_config_t_print
+ (vl_api_lldp_config_t * mp, void *handle)
{
u8 *s;
- s = format (0, "SCRIPT: dns_resolve_ip ");
- if (mp->is_ip6)
- s = format (s, "%U ", format_ip6_address, mp->address);
- else
- s = format (s, "%U ", format_ip4_address, mp->address);
+ s = format (0, "SCRIPT: lldp_config ");
+ s = format (s, "system_name %s ", mp->system_name);
+ s = format (s, "tx_hold %d ", ntohl (mp->tx_hold));
+ s = format (s, "tx_interval %d ", ntohl (mp->tx_interval));
FINISH;
}
@@ -4005,10 +3952,6 @@ _(TCP_CONFIGURE_SRC_ADDRESSES, tcp_configure_src_addresses) \
_(APP_NAMESPACE_ADD_DEL, app_namespace_add_del) \
_(LLDP_CONFIG, lldp_config) \
_(SW_INTERFACE_SET_LLDP, sw_interface_set_lldp) \
-_(DNS_ENABLE_DISABLE, dns_enable_disable) \
-_(DNS_NAME_SERVER_ADD_DEL, dns_name_server_add_del) \
-_(DNS_RESOLVE_NAME, dns_resolve_name) \
-_(DNS_RESOLVE_IP, dns_resolve_ip) \
_(SESSION_RULE_ADD_DEL, session_rule_add_del) \
_(OUTPUT_ACL_SET_INTERFACE, output_acl_set_interface) \
_(QOS_RECORD_ENABLE_DISABLE, qos_record_enable_disable) \