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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/mtransport/third_party/nICEr/src/stun/stun_msg.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/mtransport/third_party/nICEr/src/stun/stun_msg.c')
-rw-r--r--media/mtransport/third_party/nICEr/src/stun/stun_msg.c360
1 files changed, 360 insertions, 0 deletions
diff --git a/media/mtransport/third_party/nICEr/src/stun/stun_msg.c b/media/mtransport/third_party/nICEr/src/stun/stun_msg.c
new file mode 100644
index 000000000..c34bb46b0
--- /dev/null
+++ b/media/mtransport/third_party/nICEr/src/stun/stun_msg.c
@@ -0,0 +1,360 @@
+/*
+Copyright (c) 2007, Adobe Systems, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Adobe Systems, Network Resonance nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+static char *RCSSTRING __UNUSED__="$Id: stun_msg.c,v 1.2 2008/04/28 18:21:30 ekr Exp $";
+
+#include <errno.h>
+#include <csi_platform.h>
+
+#ifdef WIN32
+#include <winsock2.h>
+#include <stdlib.h>
+#include <io.h>
+#include <time.h>
+#else /* UNIX */
+#include <string.h>
+#endif /* end UNIX */
+#include <assert.h>
+
+#include "stun.h"
+
+
+int
+nr_stun_message_create(nr_stun_message **msg)
+{
+ int _status;
+ nr_stun_message *m = 0;
+
+ m = RCALLOC(sizeof(*m));
+ if (!m)
+ ABORT(R_NO_MEMORY);
+
+ TAILQ_INIT(&m->attributes);
+
+ *msg = m;
+
+ _status=0;
+ abort:
+ return(_status);
+}
+
+int
+nr_stun_message_create2(nr_stun_message **msg, UCHAR *buffer, int length)
+{
+ int r,_status;
+ nr_stun_message *m = 0;
+
+ if (length > sizeof(m->buffer)) {
+ ABORT(R_BAD_DATA);
+ }
+
+ if ((r=nr_stun_message_create(&m)))
+ ABORT(r);
+
+ memcpy(m->buffer, buffer, length);
+ m->length = length;
+
+ *msg = m;
+
+ _status=0;
+ abort:
+ return(_status);
+}
+
+int
+nr_stun_message_destroy(nr_stun_message **msg)
+{
+ int _status;
+ nr_stun_message_attribute_head *attrs;
+ nr_stun_message_attribute *attr;
+
+ if (msg && *msg) {
+ attrs = &(*msg)->attributes;
+ while (!TAILQ_EMPTY(attrs)) {
+ attr = TAILQ_FIRST(attrs);
+ nr_stun_message_attribute_destroy(*msg, &attr);
+ }
+
+ RFREE(*msg);
+
+ *msg = 0;
+ }
+
+ _status=0;
+/* abort: */
+ return(_status);
+}
+
+int
+nr_stun_message_attribute_create(nr_stun_message *msg, nr_stun_message_attribute **attr)
+{
+ int _status;
+ nr_stun_message_attribute *a = 0;
+
+ a = RCALLOC(sizeof(*a));
+ if (!a)
+ ABORT(R_NO_MEMORY);
+
+ TAILQ_INSERT_TAIL(&msg->attributes, a, entry);
+
+ *attr = a;
+
+ _status=0;
+ abort:
+ return(_status);
+}
+
+int
+nr_stun_message_attribute_destroy(nr_stun_message *msg, nr_stun_message_attribute **attr)
+{
+ int _status;
+ nr_stun_message_attribute *a = 0;
+
+ if (attr && *attr) {
+ a = *attr;
+ TAILQ_REMOVE(&msg->attributes, a, entry);
+
+ RFREE(a);
+
+ *attr = 0;
+ }
+
+ _status=0;
+/* abort: */
+ return(_status);
+}
+
+int
+nr_stun_message_has_attribute(nr_stun_message *msg, UINT2 type, nr_stun_message_attribute **attribute)
+{
+ nr_stun_message_attribute *attr = 0;
+
+ if (attribute)
+ *attribute = 0;
+
+ TAILQ_FOREACH(attr, &msg->attributes, entry) {
+ if (attr->type == type)
+ break;
+ }
+
+ if (!attr || attr->invalid)
+ return 0; /* does not have */
+
+ if (attribute)
+ *attribute = attr;
+
+ return 1; /* has */
+}
+
+#define NR_STUN_MESSAGE_ADD_ATTRIBUTE(__type, __code) \
+ { \
+ int r,_status; \
+ nr_stun_message_attribute *attr = 0; \
+ if ((r=nr_stun_message_attribute_create(msg, &attr))) \
+ ABORT(r); \
+ attr->type = (__type); \
+ { __code } \
+ _status=0; \
+ abort: \
+ if (_status){ \
+ nr_stun_message_attribute_destroy(msg, &attr); \
+ } \
+ return(_status); \
+ }
+
+
+int
+nr_stun_message_add_alternate_server_attribute(nr_stun_message *msg, nr_transport_addr *alternate_server)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_ALTERNATE_SERVER,
+ {
+ if ((r=nr_transport_addr_copy(&attr->u.alternate_server, alternate_server)))
+ ABORT(r);
+ }
+)
+
+int
+nr_stun_message_add_error_code_attribute(nr_stun_message *msg, UINT2 number, char *reason)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_ERROR_CODE,
+ {
+ attr->u.error_code.number = number;
+ strlcpy(attr->u.error_code.reason, reason, sizeof(attr->u.error_code.reason));
+ }
+)
+
+int
+nr_stun_message_add_fingerprint_attribute(nr_stun_message *msg)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_FINGERPRINT,
+ {}
+)
+
+int
+nr_stun_message_add_message_integrity_attribute(nr_stun_message *msg, Data *password)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_MESSAGE_INTEGRITY,
+ {
+ if (sizeof(attr->u.message_integrity.password) < password->len)
+ ABORT(R_BAD_DATA);
+
+ memcpy(attr->u.message_integrity.password, password->data, password->len);
+ attr->u.message_integrity.passwordlen = password->len;
+ }
+)
+
+int
+nr_stun_message_add_nonce_attribute(nr_stun_message *msg, char *nonce)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_NONCE,
+ { strlcpy(attr->u.nonce, nonce, sizeof(attr->u.nonce)); }
+)
+
+int
+nr_stun_message_add_realm_attribute(nr_stun_message *msg, char *realm)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_REALM,
+ { strlcpy(attr->u.realm, realm, sizeof(attr->u.realm)); }
+)
+
+int
+nr_stun_message_add_server_attribute(nr_stun_message *msg, char *server_name)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_SERVER,
+ { strlcpy(attr->u.server_name, server_name, sizeof(attr->u.server_name)); }
+)
+
+int
+nr_stun_message_add_unknown_attributes_attribute(nr_stun_message *msg, nr_stun_attr_unknown_attributes *unknown_attributes)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_UNKNOWN_ATTRIBUTES,
+ { memcpy(&attr->u.unknown_attributes, unknown_attributes, sizeof(attr->u.unknown_attributes)); }
+)
+
+int
+nr_stun_message_add_username_attribute(nr_stun_message *msg, char *username)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_USERNAME,
+ { strlcpy(attr->u.username, username, sizeof(attr->u.username)); }
+)
+
+int
+nr_stun_message_add_requested_transport_attribute(nr_stun_message *msg, UCHAR protocol)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_REQUESTED_TRANSPORT,
+ { attr->u.requested_transport = protocol; }
+)
+
+int
+nr_stun_message_add_xor_mapped_address_attribute(nr_stun_message *msg, nr_transport_addr *mapped_address)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_XOR_MAPPED_ADDRESS,
+ {
+ if ((r=nr_transport_addr_copy(&attr->u.xor_mapped_address.unmasked, mapped_address)))
+ ABORT(r);
+ }
+)
+
+int
+nr_stun_message_add_xor_peer_address_attribute(nr_stun_message *msg, nr_transport_addr *peer_address)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_XOR_PEER_ADDRESS,
+ {
+ if ((r=nr_transport_addr_copy(&attr->u.xor_mapped_address.unmasked, peer_address)))
+ ABORT(r);
+ }
+)
+
+#ifdef USE_ICE
+int
+nr_stun_message_add_ice_controlled_attribute(nr_stun_message *msg, UINT8 ice_controlled)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_ICE_CONTROLLED,
+ { attr->u.ice_controlled = ice_controlled; }
+)
+
+int
+nr_stun_message_add_ice_controlling_attribute(nr_stun_message *msg, UINT8 ice_controlling)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_ICE_CONTROLLING,
+ { attr->u.ice_controlling = ice_controlling; }
+)
+
+int
+nr_stun_message_add_priority_attribute(nr_stun_message *msg, UINT4 priority)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_PRIORITY,
+ { attr->u.priority = priority; }
+)
+
+int
+nr_stun_message_add_use_candidate_attribute(nr_stun_message *msg)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_USE_CANDIDATE,
+ {}
+)
+#endif /* USE_ICE */
+
+#ifdef USE_TURN
+int
+nr_stun_message_add_data_attribute(nr_stun_message *msg, UCHAR *data, int length)
+
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_DATA,
+ {
+ if (length > NR_STUN_MAX_MESSAGE_SIZE)
+ ABORT(R_BAD_ARGS);
+
+ memcpy(attr->u.data.data, data, length);
+ attr->u.data.length=length;
+ }
+)
+
+int
+nr_stun_message_add_lifetime_attribute(nr_stun_message *msg, UINT4 lifetime_secs)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_LIFETIME,
+ { attr->u.lifetime_secs = lifetime_secs; }
+)
+
+#endif /* USE_TURN */
+
+#ifdef USE_STUND_0_96
+int
+nr_stun_message_add_change_request_attribute(nr_stun_message *msg, UINT4 change_request)
+NR_STUN_MESSAGE_ADD_ATTRIBUTE(
+ NR_STUN_ATTR_OLD_CHANGE_REQUEST,
+ { attr->u.change_request = change_request; }
+)
+#endif /* USE_STUND_0_96 */
+