/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SIP_MSG_H #define _SIP_MSG_H #pragma ident "%Z%%M% %I% %E% SMI" #ifdef __cplusplus extern "C" { #endif #include #ifdef __solaris__ extern int mutex_held(); #endif extern sip_header_function_t *sip_header_function_table_external; /* Compare Cseq numbers */ #define SIP_CSEQ_LT(a, b) ((int32_t)((a)-(b)) < 0) #define SIP_CSEQ_GT(a, b) ((int32_t)((a)-(b)) > 0) #define SIP_CSEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) #define SIP_HEADER_ACTIVE 0x0 #define SIP_HEADER_DELETED 0x1 #define SIP_HEADER_DELETED_VAL 0x2 /* List of registered sent-by values */ typedef struct sent_by_list_s { struct sent_by_list_s *sb_next; struct sent_by_list_s *sb_prev; char *sb_val; } sent_by_list_t; extern sent_by_list_t *sip_sent_by; extern int sip_sent_by_count; extern pthread_mutex_t sip_sent_by_lock; typedef struct sip_header { sip_hdr_general_t sip_hdr_general; /* active/deleted or has deleted val */ int sip_header_state; struct sip_header *sip_hdr_next; struct sip_header *sip_hdr_prev; struct sip_message *sip_hdr_sipmsg; /* True if header was allocated */ boolean_t sip_hdr_allocated; sip_header_function_t *sip_header_functions; }_sip_header_t; /* Structure for the SIP message body */ typedef struct sip_content { char *sip_content_start; char *sip_content_end; char *sip_content_current; struct sip_content *sip_content_next; boolean_t sip_content_allocated; }sip_content_t; /* General definitions */ /* Two string values */ typedef struct sip_2strs { sip_str_t s1; sip_str_t s2; }sip_2strs_t; /* An integer and a string value */ typedef struct sip_intstr { int i; sip_str_t s; } sip_intstr_t; /* Warn value */ typedef struct sip_warn { int code; sip_str_t agt; sip_str_t text; } sip_warn_t; /* Date value */ typedef struct sip_date { sip_str_t t; int d; sip_str_t m; int y; sip_str_t tz; sip_str_t wd; } sip_date_t; /* Authorization and authentication value */ typedef struct sip_auth { sip_str_t scheme; sip_param_t *param; } sip_auth_t; /* RACK value */ typedef struct sip_rack { int rack_resp_num; int rack_cseq_num; sip_method_t rack_method; }sip_rack_t; /* Cseq value */ typedef struct sip_cseq { int num; sip_method_t method; } sip_cseq_value_t; /* Value for Contact, From and To header */ typedef struct cftr_value { sip_str_t *display_name; sip_str_t uri; } sip_cftr_value_t; /* SIP name/version/transport value in Via */ typedef struct sip_proto_version_s { sip_str_t name; sip_str_t version; sip_str_t transport; }sip_proto_version_t; /* Via value */ typedef struct via_value { sip_proto_version_t sent_protocol; sip_str_t sent_by_host; int sent_by_port; }sip_via_value_t; typedef struct sip_hdr_value { sip_value_t sip_value; union { int i; sip_str_t str; sip_2strs_t strs; sip_intstr_t intstr; sip_warn_t warn; sip_date_t date; sip_auth_t auth; sip_rack_t rack; sip_cseq_value_t cseq; sip_cftr_value_t cftr; sip_via_value_t via; } hdr_value; } sip_hdr_value_t; /* * NOTE: ALL value structs MUST have sip_value_t as the first field. */ #define sip_value_version sip_value.sip_value_version #define sip_next_value sip_value.next #define sip_param_list sip_value.param_list #define sip_value_state sip_value.value_state #define sip_value_header sip_value.parsed_header #define sip_value_start sip_value.value_start #define sip_value_end sip_value.value_end #define sip_value_parsed_uri sip_value.sip_value_parse_uri #define auth_val hdr_value.auth #define auth_scheme_ptr hdr_value.auth.scheme.sip_str_ptr #define auth_scheme_len hdr_value.auth.scheme.sip_str_len #define auth_param hdr_value.auth.param #define int_val hdr_value.i #define str_val hdr_value.str #define str_val_ptr hdr_value.str.sip_str_ptr #define str_val_len hdr_value.str.sip_str_len #define strs_val hdr_value.strs #define strs_s1 hdr_value.strs.s1 #define strs_s2 hdr_value.strs.s2 #define strs1_val_ptr hdr_value.strs.s1.sip_str_ptr #define strs1_val_len hdr_value.strs.s1.sip_str_len #define strs2_val_ptr hdr_value.strs.s2.sip_str_ptr #define strs2_val_len hdr_value.strs.s2.sip_str_len #define intstr_val hdr_value.intstr #define intstr_int hdr_value.intstr.i #define intstr_str hdr_value.intstr.s #define intstr_str_ptr hdr_value.intstr.s.sip_str_ptr #define intstr_str_len hdr_value.intstr.s.sip_str_len #define warn_code hdr_value.warn.code #define warn_agt hdr_value.warn.agt #define warn_text hdr_value.warn.text #define warn_agt_ptr warn_agt.sip_str_ptr #define warn_agt_len warn_agt.sip_str_len #define warn_text_ptr warn_text.sip_str_ptr #define warn_text_len warn_text.sip_str_len #define date_t hdr_value.date.t #define date_d hdr_value.date.d #define date_m hdr_value.date.m #define date_y hdr_value.date.y #define date_tz hdr_value.date.tz #define date_wd hdr_value.date.wd #define date_t_ptr date_t.sip_str_ptr #define date_t_len date_t.sip_str_len #define date_m_ptr date_m.sip_str_ptr #define date_m_len date_m.sip_str_len #define date_tz_ptr date_tz.sip_str_ptr #define date_tz_len date_tz.sip_str_len #define date_wd_ptr date_wd.sip_str_ptr #define date_wd_len date_wd.sip_str_len #define rack_resp hdr_value.rack.rack_resp_num #define rack_cseq hdr_value.rack.rack_cseq_num #define rack_method hdr_value.rack.rack_method #define cftr_name hdr_value.cftr.display_name #define cftr_uri hdr_value.cftr.uri #define cseq_num hdr_value.cseq.num #define cseq_method hdr_value.cseq.method #define via_protocol hdr_value.via.sent_protocol #define via_protocol_name hdr_value.via.sent_protocol.name #define via_protocol_vers hdr_value.via.sent_protocol.version #define via_protocol_transport hdr_value.via.sent_protocol.transport #define via_sent_by_host hdr_value.via.sent_by_host #define via_sent_by_port hdr_value.via.sent_by_port #define SIP_INT_VAL 0x01 #define SIP_STR_VAL 0x02 #define SIP_STRS_VAL 0x03 #define SIP_INTSTR_VAL 0x04 #define SIP_AUTH_VAL 0x05 /* hdr value contains two string */ typedef sip_hdr_value_t sip_acpt_value_t; typedef sip_hdr_value_t sip_content_type_value_t; /* hdr value contains one string only */ typedef sip_hdr_value_t sip_acpt_lang_value_t; typedef sip_hdr_value_t sip_acpt_encode_value_t; typedef sip_hdr_value_t sip_alert_value_t; typedef sip_hdr_value_t sip_cl_info_value_t; typedef sip_hdr_value_t sip_ct_disp_value_t; typedef sip_hdr_value_t sip_ct_encode_value_t; typedef sip_hdr_value_t sip_ct_lang_value_t; typedef sip_hdr_value_t sip_irt_value_t; typedef sip_hdr_value_t sip_mime_ver_value_t; typedef sip_hdr_value_t sip_org_value_t; typedef sip_hdr_value_t sip_prio_value_t; typedef sip_hdr_value_t sip_reply_value_t; typedef sip_hdr_value_t sip_privacy_value_t; typedef sip_hdr_value_t sip_ppassertedid_value_t; typedef sip_hdr_value_t sip_ppreferredid_value_t; typedef sip_hdr_value_t sip_pxy_req_value_t; typedef sip_hdr_value_t sip_req_value_t; typedef sip_hdr_value_t sip_subject_value_t; typedef sip_hdr_value_t sip_svr_value_t; typedef sip_hdr_value_t sip_support_value_t; typedef sip_hdr_value_t sip_unsupport_value_t; typedef sip_hdr_value_t sip_usr_agt_value_t; typedef sip_hdr_value_t sip_err_info_value_t; typedef sip_hdr_value_t sip_date_value_t; typedef sip_hdr_value_t sip_allert_value_t; typedef sip_hdr_value_t sip_callid_value_t; /* hdr value contain one int only */ typedef sip_hdr_value_t sip_expr_value_t; typedef sip_hdr_value_t sip_min_expr_value_t; typedef sip_hdr_value_t sip_retry_value_t; typedef sip_hdr_value_t sip_timestamp_value_t; typedef sip_hdr_value_t sip_rseq_value_t; typedef sip_hdr_value_t sip_content_len_value_t; typedef sip_hdr_value_t sip_max_forwards_value_t; typedef sip_hdr_value_t sip_allow_value_t; /* hdr value contain one int, two strings */ typedef sip_hdr_value_t sip_warn_value_t; /* hdr field value is a list of param=param_val */ typedef sip_hdr_value_t sip_authen_value_t; typedef sip_hdr_value_t sip_authen_info_value_t; typedef sip_hdr_value_t sip_pxy_authen_value_t; typedef sip_hdr_value_t sip_pxy_author_value_t; typedef sip_hdr_value_t sip_3w_authen_value_t; /* SIP request line structure */ typedef struct sip_request { sip_method_t sip_request_method; sip_str_t sip_request_uri; sip_uri_t sip_parse_uri; } sip_request_t; /* SIP response line structure */ typedef struct sip_response { int sip_response_code; sip_str_t sip_response_phrase; } sip_response_t; /* SIP message type - request or response */ typedef struct sip_message_type { boolean_t is_request; sip_proto_version_t sip_proto_version; union { sip_request_t sip_request; sip_response_t sip_response; } U; /* This is to save old value when we use a recvd message. */ struct sip_message_type *sip_next; } sip_message_type_t; /* Increment reference count on SIP message */ #define SIP_MSG_REFCNT_INCR(sip_msg) { \ (void) pthread_mutex_lock(&(sip_msg)->sip_msg_mutex); \ (sip_msg)->sip_msg_ref_cnt++; \ (void) pthread_mutex_unlock(&(sip_msg)->sip_msg_mutex); \ } /* Decrement reference count on SIP message */ #define SIP_MSG_REFCNT_DECR(sip_msg) { \ (void) pthread_mutex_lock(&(sip_msg)->sip_msg_mutex); \ assert((sip_msg)->sip_msg_ref_cnt > 0); \ if (--(sip_msg)->sip_msg_ref_cnt == 0) { \ sip_destroy_msg(sip_msg); \ } else { \ (void) pthread_mutex_unlock(&(sip_msg)->sip_msg_mutex); \ } \ } /* SIP message structure */ typedef struct sip_message { char *sip_msg_buf; /* Message */ char *sip_msg_old_buf; boolean_t sip_msg_modified; boolean_t sip_msg_cannot_be_modified; int sip_msg_len; size_t sip_msg_content_len; /* content length */ sip_content_t *sip_msg_content; /* All fields synchronizes on this */ pthread_mutex_t sip_msg_mutex; /* doubly linked list of headers */ _sip_header_t *sip_msg_headers_start; _sip_header_t *sip_msg_headers_end; _sip_header_t *sip_msg_start_line; sip_message_type_t *sip_msg_req_res; int sip_msg_ref_cnt; }_sip_msg_t; extern char *sip_get_tcp_msg(sip_conn_object_t, char *, size_t *); extern char *sip_msg_to_msgbuf(_sip_msg_t *msg, int *error); extern char *_sip_startline_to_str(_sip_msg_t *sip_msg, int *error); extern int sip_adjust_msgbuf(_sip_msg_t *msg); extern void sip_delete_all_headers(_sip_msg_t *sip_msg); extern _sip_header_t *sip_dup_header(_sip_header_t *from); extern int _sip_copy_header(_sip_msg_t *, _sip_header_t *, char *, boolean_t); extern int _sip_find_and_copy_header(_sip_msg_t *, _sip_msg_t *, char *, char *, boolean_t); extern int _sip_find_and_copy_all_header(_sip_msg_t *, _sip_msg_t *, char *header_name); extern _sip_header_t *sip_search_for_header(_sip_msg_t *, char *, _sip_header_t *); extern void _sip_add_header(_sip_msg_t *, _sip_header_t *, boolean_t, boolean_t, char *); extern _sip_header_t *sip_new_header(int); extern int sip_create_nonOKack(sip_msg_t, sip_msg_t, sip_msg_t); extern void sip_destroy_msg(_sip_msg_t *); extern void sip_free_header(_sip_header_t *sip_header); extern void sip_free_phdr(sip_parsed_header_t *); extern void sip_free_cftr_header(sip_parsed_header_t *); extern int sip_parse_allow_events_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_event_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_substate_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_acpt_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_acpt_encode_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_acpt_lang_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_alert_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_allow_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_useragt_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_usupport_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_timestamp_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_support_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_subject_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_server_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_retryaft_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_require_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_replyto_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_passertedid_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_ppreferredid_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_priority_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_org_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_mimeversion_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_minexpire_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_rseq_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_inreplyto_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_privacy_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_expire_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_errorinfo_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_contentlang_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_contentencode_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_contentdis_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_callinfo_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_date_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_warn_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_cftr_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_cseq_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_cid_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_via_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_clen_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_maxf_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_ctype_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_unknown_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_ainfo_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_preq_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_author_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_pauthor_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_pauthen_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_wauthen_header(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_rseq(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_rack(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_passertedid(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_ppreferredid(_sip_header_t *, sip_parsed_header_t **); extern int sip_parse_privacy_header(_sip_header_t *, sip_parsed_header_t **); extern sip_param_t *sip_get_param_from_list(sip_param_t *, char *); extern int sip_copy_values(char *, _sip_header_t *); extern int sip_add_content_length(_sip_msg_t *, int); extern int sip_delete_start_line_locked(_sip_msg_t *); /* Useful access macros */ #define sip_resp_phrase_len U.sip_response.sip_response_phrase.sip_str_len #define sip_resp_phrase_ptr U.sip_response.sip_response_phrase.sip_str_ptr #define sip_resp_code U.sip_response.sip_response_code #define sip_resp_phrase U.sip_response.sip_response_phrase #define sip_req_method U.sip_request.sip_request_method #define sip_req_uri U.sip_request.sip_request_uri #define sip_req_uri_ptr U.sip_request.sip_request_uri.sip_str_ptr #define sip_req_uri_len U.sip_request.sip_request_uri.sip_str_ptr #define sip_req_parse_uri U.sip_request.sip_parse_uri #define sip_header_parse sip_header_functions->header_parse_func #define sip_header_name sip_header_functions->header_name #define sip_hdr_start sip_hdr_general.sip_hdr_start #define sip_hdr_end sip_hdr_general.sip_hdr_end #define sip_hdr_current sip_hdr_general.sip_hdr_current #define sip_hdr_parsed sip_hdr_general.sip_hdr_parsed #ifdef __cplusplus } #endif #endif /* _SIP_MSG_H */