Squashed 'third_party/rawrtc/re/' content from commit f3163ce8b
Change-Id: I6a235e6ac0f03269d951026f9d195da05c40fdab
git-subtree-dir: third_party/rawrtc/re
git-subtree-split: f3163ce8b526a13b35ef71ce4dd6f43585064d8a
diff --git a/include/re_sip.h b/include/re_sip.h
new file mode 100644
index 0000000..9a2af7a
--- /dev/null
+++ b/include/re_sip.h
@@ -0,0 +1,370 @@
+/**
+ * @file re_sip.h Session Initiation Protocol
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+
+
+enum {
+ SIP_PORT = 5060,
+ SIP_PORT_TLS = 5061,
+};
+
+/** SIP Transport */
+enum sip_transp {
+ SIP_TRANSP_NONE = -1,
+ SIP_TRANSP_UDP = 0,
+ SIP_TRANSP_TCP,
+ SIP_TRANSP_TLS,
+ SIP_TRANSPC,
+};
+
+
+/** SIP Header ID (perfect hash value) */
+enum sip_hdrid {
+ SIP_HDR_ACCEPT = 3186,
+ SIP_HDR_ACCEPT_CONTACT = 232,
+ SIP_HDR_ACCEPT_ENCODING = 708,
+ SIP_HDR_ACCEPT_LANGUAGE = 2867,
+ SIP_HDR_ACCEPT_RESOURCE_PRIORITY = 1848,
+ SIP_HDR_ALERT_INFO = 274,
+ SIP_HDR_ALLOW = 2429,
+ SIP_HDR_ALLOW_EVENTS = 66,
+ SIP_HDR_ANSWER_MODE = 2905,
+ SIP_HDR_AUTHENTICATION_INFO = 3144,
+ SIP_HDR_AUTHORIZATION = 2503,
+ SIP_HDR_CALL_ID = 3095,
+ SIP_HDR_CALL_INFO = 586,
+ SIP_HDR_CONTACT = 229,
+ SIP_HDR_CONTENT_DISPOSITION = 1425,
+ SIP_HDR_CONTENT_ENCODING = 580,
+ SIP_HDR_CONTENT_LANGUAGE = 3371,
+ SIP_HDR_CONTENT_LENGTH = 3861,
+ SIP_HDR_CONTENT_TYPE = 809,
+ SIP_HDR_CSEQ = 746,
+ SIP_HDR_DATE = 1027,
+ SIP_HDR_ENCRYPTION = 3125,
+ SIP_HDR_ERROR_INFO = 21,
+ SIP_HDR_EVENT = 3286,
+ SIP_HDR_EXPIRES = 1983,
+ SIP_HDR_FLOW_TIMER = 584,
+ SIP_HDR_FROM = 1963,
+ SIP_HDR_HIDE = 283,
+ SIP_HDR_HISTORY_INFO = 2582,
+ SIP_HDR_IDENTITY = 2362,
+ SIP_HDR_IDENTITY_INFO = 980,
+ SIP_HDR_IN_REPLY_TO = 1577,
+ SIP_HDR_JOIN = 3479,
+ SIP_HDR_MAX_BREADTH = 3701,
+ SIP_HDR_MAX_FORWARDS = 3549,
+ SIP_HDR_MIME_VERSION = 3659,
+ SIP_HDR_MIN_EXPIRES = 1121,
+ SIP_HDR_MIN_SE = 2847,
+ SIP_HDR_ORGANIZATION = 3247,
+ SIP_HDR_P_ACCESS_NETWORK_INFO = 1662,
+ SIP_HDR_P_ANSWER_STATE = 42,
+ SIP_HDR_P_ASSERTED_IDENTITY = 1233,
+ SIP_HDR_P_ASSOCIATED_URI = 900,
+ SIP_HDR_P_CALLED_PARTY_ID = 3347,
+ SIP_HDR_P_CHARGING_FUNCTION_ADDRESSES = 2171,
+ SIP_HDR_P_CHARGING_VECTOR = 25,
+ SIP_HDR_P_DCS_TRACE_PARTY_ID = 3027,
+ SIP_HDR_P_DCS_OSPS = 1788,
+ SIP_HDR_P_DCS_BILLING_INFO = 2017,
+ SIP_HDR_P_DCS_LAES = 693,
+ SIP_HDR_P_DCS_REDIRECT = 1872,
+ SIP_HDR_P_EARLY_MEDIA = 2622,
+ SIP_HDR_P_MEDIA_AUTHORIZATION = 1035,
+ SIP_HDR_P_PREFERRED_IDENTITY = 1263,
+ SIP_HDR_P_PROFILE_KEY = 1904,
+ SIP_HDR_P_REFUSED_URI_LIST = 1047,
+ SIP_HDR_P_SERVED_USER = 1588,
+ SIP_HDR_P_USER_DATABASE = 2827,
+ SIP_HDR_P_VISITED_NETWORK_ID = 3867,
+ SIP_HDR_PATH = 2741,
+ SIP_HDR_PERMISSION_MISSING = 1409,
+ SIP_HDR_PRIORITY = 3520,
+ SIP_HDR_PRIV_ANSWER_MODE = 2476,
+ SIP_HDR_PRIVACY = 3150,
+ SIP_HDR_PROXY_AUTHENTICATE = 116,
+ SIP_HDR_PROXY_AUTHORIZATION = 2363,
+ SIP_HDR_PROXY_REQUIRE = 3562,
+ SIP_HDR_RACK = 2523,
+ SIP_HDR_REASON = 3732,
+ SIP_HDR_RECORD_ROUTE = 278,
+ SIP_HDR_REFER_SUB = 2458,
+ SIP_HDR_REFER_TO = 1521,
+ SIP_HDR_REFERRED_BY = 3456,
+ SIP_HDR_REJECT_CONTACT = 285,
+ SIP_HDR_REPLACES = 2534,
+ SIP_HDR_REPLY_TO = 2404,
+ SIP_HDR_REQUEST_DISPOSITION = 3715,
+ SIP_HDR_REQUIRE = 3905,
+ SIP_HDR_RESOURCE_PRIORITY = 1643,
+ SIP_HDR_RESPONSE_KEY = 1548,
+ SIP_HDR_RETRY_AFTER = 409,
+ SIP_HDR_ROUTE = 661,
+ SIP_HDR_RSEQ = 445,
+ SIP_HDR_SECURITY_CLIENT = 1358,
+ SIP_HDR_SECURITY_SERVER = 811,
+ SIP_HDR_SECURITY_VERIFY = 519,
+ SIP_HDR_SERVER = 973,
+ SIP_HDR_SERVICE_ROUTE = 1655,
+ SIP_HDR_SESSION_EXPIRES = 1979,
+ SIP_HDR_SIP_ETAG = 1997,
+ SIP_HDR_SIP_IF_MATCH = 3056,
+ SIP_HDR_SUBJECT = 1043,
+ SIP_HDR_SUBSCRIPTION_STATE = 2884,
+ SIP_HDR_SUPPORTED = 119,
+ SIP_HDR_TARGET_DIALOG = 3450,
+ SIP_HDR_TIMESTAMP = 938,
+ SIP_HDR_TO = 1449,
+ SIP_HDR_TRIGGER_CONSENT = 3180,
+ SIP_HDR_UNSUPPORTED = 982,
+ SIP_HDR_USER_AGENT = 4064,
+ SIP_HDR_VIA = 3961,
+ SIP_HDR_WARNING = 2108,
+ SIP_HDR_WWW_AUTHENTICATE = 2763,
+
+ SIP_HDR_NONE = -1
+};
+
+
+enum {
+ SIP_T1 = 500,
+ SIP_T2 = 4000,
+ SIP_T4 = 5000,
+};
+
+
+/** SIP Via header */
+struct sip_via {
+ struct pl sentby;
+ struct sa addr;
+ struct pl params;
+ struct pl branch;
+ struct pl val;
+ enum sip_transp tp;
+};
+
+/** SIP Address */
+struct sip_addr {
+ struct pl dname;
+ struct pl auri;
+ struct uri uri;
+ struct pl params;
+};
+
+/** SIP Tag address */
+struct sip_taddr {
+ struct pl dname;
+ struct pl auri;
+ struct uri uri;
+ struct pl params;
+ struct pl tag;
+ struct pl val;
+};
+
+/** SIP CSeq header */
+struct sip_cseq {
+ struct pl met;
+ uint32_t num;
+};
+
+/** SIP Header */
+struct sip_hdr {
+ struct le le; /**< Linked-list element */
+ struct le he; /**< Hash-table element */
+ struct pl name; /**< SIP Header name */
+ struct pl val; /**< SIP Header value */
+ enum sip_hdrid id; /**< SIP Header id (unique) */
+};
+
+/** SIP Message */
+struct sip_msg {
+ struct sa src; /**< Source network address */
+ struct sa dst; /**< Destination network address */
+ struct pl ver; /**< SIP Version number */
+ struct pl met; /**< Request method */
+ struct pl ruri; /**< Raw request URI */
+ struct uri uri; /**< Parsed request URI */
+ uint16_t scode; /**< Response status code */
+ struct pl reason; /**< Response reason phrase */
+ struct list hdrl; /**< List of SIP Headers (struct sip_hdr) */
+ struct sip_via via; /**< Parsed first Via header */
+ struct sip_taddr to; /**< Parsed To header */
+ struct sip_taddr from; /**< Parsed From header */
+ struct sip_cseq cseq; /**< Parsed CSeq header */
+ struct msg_ctype ctyp; /**< Content Type */
+ struct pl callid; /**< Cached Call-ID header */
+ struct pl maxfwd; /**< Cached Max-Forwards header */
+ struct pl expires; /**< Cached Expires header */
+ struct pl clen; /**< Cached Content-Length header */
+ struct hash *hdrht; /**< Hash-table with all SIP headers */
+ struct mbuf *mb; /**< Buffer containing the SIP message */
+ void *sock; /**< Transport socket */
+ uint64_t tag; /**< Opaque tag */
+ enum sip_transp tp; /**< SIP Transport */
+ bool req; /**< True if Request, False if Response */
+};
+
+/** SIP Loop-state */
+struct sip_loopstate {
+ uint32_t failc;
+ uint16_t last_scode;
+};
+
+/** SIP Contact */
+struct sip_contact {
+ const char *uri;
+ const struct sa *addr;
+ enum sip_transp tp;
+};
+
+struct sip;
+struct sip_lsnr;
+struct sip_request;
+struct sip_strans;
+struct sip_auth;
+struct sip_dialog;
+struct sip_keepalive;
+struct dnsc;
+
+typedef bool(sip_msg_h)(const struct sip_msg *msg, void *arg);
+typedef int(sip_send_h)(enum sip_transp tp, const struct sa *src,
+ const struct sa *dst, struct mbuf *mb, void *arg);
+typedef void(sip_resp_h)(int err, const struct sip_msg *msg, void *arg);
+typedef void(sip_cancel_h)(void *arg);
+typedef void(sip_exit_h)(void *arg);
+typedef int(sip_auth_h)(char **username, char **password, const char *realm,
+ void *arg);
+typedef bool(sip_hdr_h)(const struct sip_hdr *hdr, const struct sip_msg *msg,
+ void *arg);
+typedef void(sip_keepalive_h)(int err, void *arg);
+
+
+/* sip */
+int sip_alloc(struct sip **sipp, struct dnsc *dnsc, uint32_t ctsz,
+ uint32_t stsz, uint32_t tcsz, const char *software,
+ sip_exit_h *exith, void *arg);
+void sip_close(struct sip *sip, bool force);
+int sip_listen(struct sip_lsnr **lsnrp, struct sip *sip, bool req,
+ sip_msg_h *msgh, void *arg);
+int sip_debug(struct re_printf *pf, const struct sip *sip);
+int sip_send(struct sip *sip, void *sock, enum sip_transp tp,
+ const struct sa *dst, struct mbuf *mb);
+
+
+/* transport */
+int sip_transp_add(struct sip *sip, enum sip_transp tp,
+ const struct sa *laddr, ...);
+void sip_transp_flush(struct sip *sip);
+bool sip_transp_isladdr(const struct sip *sip, enum sip_transp tp,
+ const struct sa *laddr);
+const char *sip_transp_name(enum sip_transp tp);
+const char *sip_transp_param(enum sip_transp tp);
+uint16_t sip_transp_port(enum sip_transp tp, uint16_t port);
+int sip_transp_laddr(struct sip *sip, struct sa *laddr, enum sip_transp tp,
+ const struct sa *dst);
+
+
+/* request */
+int sip_request(struct sip_request **reqp, struct sip *sip, bool stateful,
+ const char *met, int metl, const char *uri, int uril,
+ const struct uri *route, struct mbuf *mb, size_t sortkey,
+ sip_send_h *sendh, sip_resp_h *resph, void *arg);
+int sip_requestf(struct sip_request **reqp, struct sip *sip, bool stateful,
+ const char *met, const char *uri, const struct uri *route,
+ struct sip_auth *auth, sip_send_h *sendh, sip_resp_h *resph,
+ void *arg, const char *fmt, ...);
+int sip_drequestf(struct sip_request **reqp, struct sip *sip, bool stateful,
+ const char *met, struct sip_dialog *dlg, uint32_t cseq,
+ struct sip_auth *auth, sip_send_h *sendh, sip_resp_h *resph,
+ void *arg, const char *fmt, ...);
+void sip_request_cancel(struct sip_request *req);
+bool sip_request_loops(struct sip_loopstate *ls, uint16_t scode);
+void sip_loopstate_reset(struct sip_loopstate *ls);
+
+
+/* reply */
+int sip_strans_alloc(struct sip_strans **stp, struct sip *sip,
+ const struct sip_msg *msg, sip_cancel_h *cancelh,
+ void *arg);
+int sip_strans_reply(struct sip_strans **stp, struct sip *sip,
+ const struct sip_msg *msg, const struct sa *dst,
+ uint16_t scode, struct mbuf *mb);
+int sip_treplyf(struct sip_strans **stp, struct mbuf **mbp, struct sip *sip,
+ const struct sip_msg *msg, bool rec_route, uint16_t scode,
+ const char *reason, const char *fmt, ...);
+int sip_treply(struct sip_strans **stp, struct sip *sip,
+ const struct sip_msg *msg, uint16_t scode, const char *reason);
+int sip_replyf(struct sip *sip, const struct sip_msg *msg, uint16_t scode,
+ const char *reason, const char *fmt, ...);
+int sip_reply(struct sip *sip, const struct sip_msg *msg, uint16_t scode,
+ const char *reason);
+void sip_reply_addr(struct sa *addr, const struct sip_msg *msg, bool rport);
+
+
+/* auth */
+int sip_auth_authenticate(struct sip_auth *auth, const struct sip_msg *msg);
+int sip_auth_alloc(struct sip_auth **authp, sip_auth_h *authh,
+ void *arg, bool ref);
+void sip_auth_reset(struct sip_auth *auth);
+
+
+/* contact */
+void sip_contact_set(struct sip_contact *contact, const char *uri,
+ const struct sa *addr, enum sip_transp tp);
+int sip_contact_print(struct re_printf *pf,
+ const struct sip_contact *contact);
+
+
+/* dialog */
+int sip_dialog_alloc(struct sip_dialog **dlgp,
+ const char *uri, const char *to_uri,
+ const char *from_name, const char *from_uri,
+ const char *routev[], uint32_t routec);
+int sip_dialog_accept(struct sip_dialog **dlgp, const struct sip_msg *msg);
+int sip_dialog_create(struct sip_dialog *dlg, const struct sip_msg *msg);
+int sip_dialog_fork(struct sip_dialog **dlgp, struct sip_dialog *odlg,
+ const struct sip_msg *msg);
+int sip_dialog_update(struct sip_dialog *dlg, const struct sip_msg *msg);
+bool sip_dialog_rseq_valid(struct sip_dialog *dlg, const struct sip_msg *msg);
+const char *sip_dialog_callid(const struct sip_dialog *dlg);
+uint32_t sip_dialog_lseq(const struct sip_dialog *dlg);
+bool sip_dialog_established(const struct sip_dialog *dlg);
+bool sip_dialog_cmp(const struct sip_dialog *dlg, const struct sip_msg *msg);
+bool sip_dialog_cmp_half(const struct sip_dialog *dlg,
+ const struct sip_msg *msg);
+
+
+/* msg */
+int sip_msg_decode(struct sip_msg **msgp, struct mbuf *mb);
+const struct sip_hdr *sip_msg_hdr(const struct sip_msg *msg,
+ enum sip_hdrid id);
+const struct sip_hdr *sip_msg_hdr_apply(const struct sip_msg *msg,
+ bool fwd, enum sip_hdrid id,
+ sip_hdr_h *h, void *arg);
+const struct sip_hdr *sip_msg_xhdr(const struct sip_msg *msg,
+ const char *name);
+const struct sip_hdr *sip_msg_xhdr_apply(const struct sip_msg *msg,
+ bool fwd, const char *name,
+ sip_hdr_h *h, void *arg);
+uint32_t sip_msg_hdr_count(const struct sip_msg *msg, enum sip_hdrid id);
+uint32_t sip_msg_xhdr_count(const struct sip_msg *msg, const char *name);
+bool sip_msg_hdr_has_value(const struct sip_msg *msg, enum sip_hdrid id,
+ const char *value);
+bool sip_msg_xhdr_has_value(const struct sip_msg *msg, const char *name,
+ const char *value);
+struct tcp_conn *sip_msg_tcpconn(const struct sip_msg *msg);
+void sip_msg_dump(const struct sip_msg *msg);
+
+int sip_addr_decode(struct sip_addr *addr, const struct pl *pl);
+int sip_via_decode(struct sip_via *via, const struct pl *pl);
+int sip_cseq_decode(struct sip_cseq *cseq, const struct pl *pl);
+
+
+/* keepalive */
+int sip_keepalive_start(struct sip_keepalive **kap, struct sip *sip,
+ const struct sip_msg *msg, uint32_t interval,
+ sip_keepalive_h *kah, void *arg);