diff options
Diffstat (limited to 'dom/media/webrtc/transport/third_party/nICEr/src/stun/stun_msg.h')
| -rw-r--r-- | dom/media/webrtc/transport/third_party/nICEr/src/stun/stun_msg.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/dom/media/webrtc/transport/third_party/nICEr/src/stun/stun_msg.h b/dom/media/webrtc/transport/third_party/nICEr/src/stun/stun_msg.h new file mode 100644 index 0000000000..ffd68d3eee --- /dev/null +++ b/dom/media/webrtc/transport/third_party/nICEr/src/stun/stun_msg.h @@ -0,0 +1,208 @@ +/* +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. +*/ + + + +#ifndef _stun_msg_h +#define _stun_msg_h + +#include "csi_platform.h" +#include "nr_api.h" +#include "transport_addr.h" + +#define NR_STUN_MAX_USERNAME_BYTES 513 +#define NR_STUN_MAX_ERROR_CODE_REASON_BYTES 763 +#define NR_STUN_MAX_ERROR_CODE_REASON_CHARS 128 +#define NR_STUN_MAX_REALM_BYTES 763 +#define NR_STUN_MAX_REALM_CHARS 128 +#define NR_STUN_MAX_NONCE_BYTES 763 +#define NR_STUN_MAX_NONCE_CHARS 128 +#define NR_STUN_MAX_SERVER_BYTES 763 +#define NR_STUN_MAX_SERVER_CHARS 128 +#define NR_STUN_MAX_STRING_SIZE 763 /* any possible string */ +#define NR_STUN_MAX_UNKNOWN_ATTRIBUTES 16 +#define NR_STUN_MAX_MESSAGE_SIZE 2048 + +#define NR_STUN_MAGIC_COOKIE 0x2112A442 +#define NR_STUN_MAGIC_COOKIE2 0xc5cb4e1d /* used recognize old stun messages */ + +typedef struct { UCHAR octet[12]; } UINT12; + +typedef struct nr_stun_attr_error_code_ { + UINT2 number; + char reason[NR_STUN_MAX_ERROR_CODE_REASON_BYTES+1]; /* +1 for \0 */ +} nr_stun_attr_error_code; + +typedef struct nr_stun_attr_fingerprint_ { + UINT4 checksum; + int valid; +} nr_stun_attr_fingerprint; + +typedef struct nr_stun_attr_message_integrity_ { + UCHAR hash[20]; + int unknown_user; + UCHAR password[1024]; + int passwordlen; + int valid; +} nr_stun_attr_message_integrity; + +typedef struct nr_stun_attr_unknown_attributes_ { + UINT2 attribute[NR_STUN_MAX_UNKNOWN_ATTRIBUTES]; + int num_attributes; +} nr_stun_attr_unknown_attributes; + +typedef struct nr_stun_attr_xor_mapped_address_ { + nr_transport_addr masked; + nr_transport_addr unmasked; +} nr_stun_attr_xor_mapped_address; + +typedef struct nr_stun_attr_data_ { + UCHAR data[NR_STUN_MAX_MESSAGE_SIZE]; + size_t length; +} nr_stun_attr_data; + + +typedef struct nr_stun_encoded_attribute_ { + UINT2 type; + UINT2 length; + UCHAR value[NR_STUN_MAX_MESSAGE_SIZE]; +} nr_stun_encoded_attribute; + +typedef struct nr_stun_message_attribute_ { + UINT2 type; + UINT2 length; + union { + nr_transport_addr address; + nr_transport_addr alternate_server; + nr_stun_attr_error_code error_code; + nr_stun_attr_fingerprint fingerprint; + nr_transport_addr mapped_address; + nr_stun_attr_message_integrity message_integrity; + char nonce[NR_STUN_MAX_NONCE_BYTES+1]; /* +1 for \0 */ + char realm[NR_STUN_MAX_REALM_BYTES+1]; /* +1 for \0 */ + nr_stun_attr_xor_mapped_address relay_address; + char server_name[NR_STUN_MAX_SERVER_BYTES+1]; /* +1 for \0 */ + nr_stun_attr_unknown_attributes unknown_attributes; + char username[NR_STUN_MAX_USERNAME_BYTES+1]; /* +1 for \0 */ + nr_stun_attr_xor_mapped_address xor_mapped_address; + +#ifdef USE_ICE + UINT4 priority; + UINT8 ice_controlled; + UINT8 ice_controlling; +#endif /* USE_ICE */ + +#ifdef USE_TURN + UINT4 lifetime_secs; + nr_transport_addr remote_address; + UCHAR requested_transport; + nr_stun_attr_data data; +#endif /* USE_TURN */ + +#ifdef USE_STUND_0_96 + UINT4 change_request; +#endif /* USE_STUND_0_96 */ + + /* make sure there's enough room here to place any possible + * attribute */ + UCHAR largest_possible_attribute[NR_STUN_MAX_MESSAGE_SIZE]; + } u; + nr_stun_encoded_attribute *encoding; + size_t encoding_length; + char *name; + char *type_name; + int invalid; + TAILQ_ENTRY(nr_stun_message_attribute_) entry; +} nr_stun_message_attribute; + +typedef TAILQ_HEAD(nr_stun_message_attribute_head_,nr_stun_message_attribute_) nr_stun_message_attribute_head; + +typedef struct nr_stun_message_header_ { + UINT2 type; + UINT2 length; + UINT4 magic_cookie; + UINT12 id; +} nr_stun_message_header; + +typedef struct nr_stun_message_ { + char *name; + UCHAR buffer[NR_STUN_MAX_MESSAGE_SIZE]; + size_t length; + nr_stun_message_header header; + int comprehension_required_unknown_attributes; + int comprehension_optional_unknown_attributes; + nr_stun_message_attribute_head attributes; +} nr_stun_message; + +int nr_stun_message_create(nr_stun_message **msg); +int nr_stun_message_create2(nr_stun_message **msg, UCHAR *buffer, size_t length); +int nr_stun_message_destroy(nr_stun_message **msg); + +int nr_stun_message_attribute_create(nr_stun_message *msg, nr_stun_message_attribute **attr); +int nr_stun_message_attribute_destroy(nr_stun_message *msg, nr_stun_message_attribute **attr); + +int nr_stun_message_has_attribute(nr_stun_message *msg, UINT2 type, nr_stun_message_attribute **attribute); + +int nr_stun_message_get_attribute(nr_stun_message *msg, UINT2 type, UINT2 index, nr_stun_message_attribute **attribute); + +int nr_stun_message_add_alternate_server_attribute(nr_stun_message *msg, nr_transport_addr *alternate_server); +int nr_stun_message_add_error_code_attribute(nr_stun_message *msg, UINT2 number, char *reason); +int nr_stun_message_add_fingerprint_attribute(nr_stun_message *msg); +int nr_stun_message_add_message_integrity_attribute(nr_stun_message *msg, Data *password); +int nr_stun_message_add_nonce_attribute(nr_stun_message *msg, char *nonce); +int nr_stun_message_add_realm_attribute(nr_stun_message *msg, char *realm); +int nr_stun_message_add_server_attribute(nr_stun_message *msg, char *server_name); +int nr_stun_message_add_unknown_attributes_attribute(nr_stun_message *msg, nr_stun_attr_unknown_attributes *unknown_attributes); +int nr_stun_message_add_username_attribute(nr_stun_message *msg, char *username); +int nr_stun_message_add_xor_mapped_address_attribute(nr_stun_message *msg, nr_transport_addr *mapped_address); + +#ifdef USE_ICE +int nr_stun_message_add_ice_controlled_attribute(nr_stun_message *msg, UINT8 ice_controlled); +int nr_stun_message_add_ice_controlling_attribute(nr_stun_message *msg, UINT8 ice_controlling); +int nr_stun_message_add_priority_attribute(nr_stun_message *msg, UINT4 priority); +int nr_stun_message_add_use_candidate_attribute(nr_stun_message *msg); +#endif /* USE_ICE */ + +#ifdef USE_TURN +int nr_stun_message_add_data_attribute(nr_stun_message *msg, UCHAR *data, int length); +int nr_stun_message_add_lifetime_attribute(nr_stun_message *msg, UINT4 lifetime_secs); +int nr_stun_message_add_requested_transport_attribute(nr_stun_message *msg, UCHAR transport); +int +nr_stun_message_add_xor_peer_address_attribute(nr_stun_message *msg, nr_transport_addr *peer_address); +#endif /* USE_TURN */ + +#ifdef USE_STUND_0_96 +int nr_stun_message_add_change_request_attribute(nr_stun_message *msg, UINT4 change_request); +#endif /* USE_STUND_0_96 */ + +#endif + |