#include "asterisk.h"
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <errno.h>
#include <stdlib.h>
#include <fcntl.h>
#include <netdb.h>
#include <signal.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <arpa/inet.h>
#include <netinet/ip.h>
#include <regex.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp.h"
#include "asterisk/udptl.h"
#include "asterisk/acl.h"
#include "asterisk/manager.h"
#include "asterisk/callerid.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/dsp.h"
#include "asterisk/features.h"
#include "asterisk/srv.h"
#include "asterisk/astdb.h"
#include "asterisk/causes.h"
#include "asterisk/utils.h"
#include "asterisk/file.h"
#include "asterisk/astobj.h"
#include "asterisk/devicestate.h"
#include "asterisk/linkedlists.h"
#include "asterisk/stringfields.h"
#include "asterisk/monitor.h"
#include "asterisk/localtime.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/compiler.h"
#include "asterisk/threadstorage.h"
#include "asterisk/translate.h"
Include dependency graph for chan_sip.c:
Go to the source code of this file.
Data Structures | |
| struct | ast_peer_list |
| The peer list: Peers and Friends. More... | |
| struct | ast_register_list |
| The register list: Other SIP proxys we register with and place calls to. More... | |
| struct | ast_user_list |
| The user list: Users and friends. More... | |
| struct | c_referstatusstring |
| struct | cfsip_methods |
| struct | cfsip_options |
| List of well-known SIP options. If we get this in a require, we should check the list and answer accordingly. More... | |
| struct | cfsubscription_types |
| struct | domain |
| Domain data structure. More... | |
| struct | sip_auth |
| sip_auth: Credentials for authentication to other SIP services More... | |
| struct | sip_dual |
| structure used in transfers More... | |
| struct | sip_history |
| sip_history: Structure for saving transactions within a SIP dialog More... | |
| struct | sip_invite_param |
| Parameters to the transmit_invite function. More... | |
| struct | sip_peer |
| Structure for SIP peer data, we place calls to peers if registered or fixed IP address (host). More... | |
| struct | sip_pkt |
| sip packet - raw format for outbound packets that are sent or scheduled for transmission More... | |
| struct | sip_pvt |
| sip_pvt: PVT structures are used for each SIP dialog, ie. a call, a registration, a subscribe More... | |
| struct | sip_refer |
| Structure to handle SIP transfers. Dynamically allocated when needed. More... | |
| struct | sip_registry |
| Registrations with other SIP proxies. More... | |
| struct | sip_request |
| sip_request: The data grabbed from the UDP socket More... | |
| struct | sip_route |
| Structure to save routing information for a SIP session. More... | |
| struct | sip_user |
| Structure for SIP user data. User's place calls to us. More... | |
| struct | t38properties |
| T.38 channel settings (at some point we need to make this alloc'ed. More... | |
Defines | |
| #define | ALLOWED_METHODS "INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY" |
| SIP Methods we support. | |
| #define | append_history(p, event, fmt, args...) append_history_full(p, "%-15s " fmt, event, ## args) |
| Append to SIP dialog history. | |
| #define | CALLERID_UNKNOWN "Unknown" |
| #define | CAN_CREATE_DIALOG 1 |
| #define | CAN_CREATE_DIALOG_UNSUPPORTED_METHOD 2 |
| #define | CAN_NOT_CREATE_DIALOG 0 |
| #define | CHECK_AUTH_BUF_INITLEN 256 |
| #define | DEC_CALL_LIMIT 0 |
| #define | DEC_CALL_RINGING 2 |
| #define | DEFAULT_ALLOW_EXT_DOM TRUE |
| #define | DEFAULT_ALLOWGUEST TRUE |
| #define | DEFAULT_AUTOCREATEPEER FALSE |
| #define | DEFAULT_CALLERID "asterisk" |
| #define | DEFAULT_COMPACTHEADERS FALSE |
| #define | DEFAULT_CONTEXT "default" |
| #define | DEFAULT_DEFAULT_EXPIRY 120 |
| #define | DEFAULT_EXPIRY 900 |
| #define | DEFAULT_FREQ_NOTOK 10 * 1000 |
| #define | DEFAULT_FREQ_OK 60 * 1000 |
| #define | DEFAULT_MAX_CALL_BITRATE (384) |
| #define | DEFAULT_MAX_EXPIRY 3600 |
| #define | DEFAULT_MAX_FORWARDS "70" |
| #define | DEFAULT_MAXMS 2000 |
| #define | DEFAULT_MIN_EXPIRY 60 |
| #define | DEFAULT_MOHINTERPRET "default" |
| #define | DEFAULT_MOHSUGGEST "" |
| #define | DEFAULT_MWITIME 10 |
| #define | DEFAULT_NOTIFYMIME "application/simple-message-summary" |
| #define | DEFAULT_NOTIFYRINGING TRUE |
| #define | DEFAULT_PEDANTIC FALSE |
| #define | DEFAULT_QUALIFY FALSE |
| #define | DEFAULT_REALM "asterisk" |
| #define | DEFAULT_REGISTRATION_TIMEOUT 20 |
| #define | DEFAULT_RETRANS 1000 |
| #define | DEFAULT_SRVLOOKUP TRUE |
| #define | DEFAULT_T1MIN 100 |
| #define | DEFAULT_TOS_AUDIO 0 |
| #define | DEFAULT_TOS_SIP 0 |
| #define | DEFAULT_TOS_VIDEO 0 |
| #define | DEFAULT_TRANS_TIMEOUT -1 |
| #define | DEFAULT_USERAGENT "Asterisk PBX" |
| #define | DEFAULT_VMEXTEN "asterisk" |
| #define | EXPIRY_GUARD_LIMIT 30 |
| #define | EXPIRY_GUARD_MIN 500 |
| #define | EXPIRY_GUARD_PCT 0.20 |
| #define | EXPIRY_GUARD_SECS 15 |
| #define | FALSE 0 |
| #define | FLAG_FATAL (1 << 1) |
| #define | FLAG_RESPONSE (1 << 0) |
| #define | FORMAT "%-15.15s %-10.10s %-11.11s %5.5d/%5.5d %-15.15s %-3.3s %-3.3s %-15.15s %-10.10s\n" |
| #define | FORMAT "%-30.30s %-12.12s %8d %-20.20s %-25.25s\n" |
| #define | FORMAT "%-40.40s %-20.20s %-16.16s\n" |
| #define | FORMAT "%-25.25s %-15.15s %-3.3s %-3.3s %-3.3s %-8d %-10s %-10s\n" |
| #define | FORMAT "%-25.25s %-15.15s %-15.15s %-15.15s %-5.5s%-10.10s\n" |
| #define | FORMAT "%-25.25s %-15.15s %-15.15s \n" |
| #define | FORMAT2 "%-15.15s %-10.10s %-11.11s %-11.11s %-15.15s %-7.7s %-15.15s\n" |
| #define | FORMAT2 "%-30.30s %-12.12s %8.8s %-20.20s %-25.25s\n" |
| #define | FORMAT2 "%-25.25s %-15.15s %-3.3s %-3.3s %-3.3s %-8s %-10s %-10s\n" |
| #define | FORMAT2 "%-25.25s %-15.15s %-15.15s \n" |
| #define | FORMAT3 "%-15.15s %-10.10s %-11.11s %-15.15s %-13.13s %-15.15s %-10.10s\n" |
| #define | INC_CALL_LIMIT 1 |
| #define | INC_CALL_RINGING 3 |
| #define | INITIAL_CSEQ 101 |
| #define | IPTOS_MINCOST 0x02 |
| #define | MAX(a, b) ((a) > (b) ? (a) : (b)) |
| #define | MAX_AUTHTRIES 3 |
| #define | MAX_HISTORY_ENTRIES 50 |
| #define | MAX_RETRANS 6 |
| #define | NO_RTP 0 |
| #define | NOT_SUPPORTED 0 |
| #define | RTP 1 |
| #define | SDP_MAX_RTPMAP_CODECS 32 |
| #define | SDP_SAMPLE_RATE(x) 8000 |
| #define | SIP_ALREADYGONE (1 << 0) |
| #define | SIP_CALL_LIMIT (1 << 28) |
| #define | SIP_CAN_REINVITE (1 << 20) |
| #define | SIP_CAN_REINVITE_NAT (2 << 20) |
| #define | SIP_DEFER_BYE_ON_TRANSFER (1 << 15) |
| #define | SIP_DTMF (3 << 16) |
| #define | SIP_DTMF_AUTO (3 << 16) |
| #define | SIP_DTMF_INBAND (1 << 16) |
| #define | SIP_DTMF_INFO (2 << 16) |
| #define | SIP_DTMF_RFC2833 (0 << 16) |
| #define | SIP_FLAGS_TO_COPY |
| #define | SIP_FREE_BIT (1 << 14) |
| #define | SIP_G726_NONSTANDARD (1 << 31) |
| #define | SIP_GOTREFER (1 << 7) |
| #define | SIP_INC_COUNT (1 << 30) |
| #define | SIP_INSECURE_INVITE (1 << 24) |
| #define | SIP_INSECURE_PORT (1 << 23) |
| #define | SIP_MAX_HEADERS 64 |
| #define | SIP_MAX_LINES 64 |
| #define | SIP_MAX_PACKET 4096 |
| #define | SIP_NAT (3 << 18) |
| #define | SIP_NAT_ALWAYS (3 << 18) |
| #define | SIP_NAT_NEVER (0 << 18) |
| #define | SIP_NAT_RFC3581 (1 << 18) |
| #define | SIP_NAT_ROUTE (2 << 18) |
| #define | SIP_NEEDDESTROY (1 << 1) |
| #define | SIP_NEEDREINVITE (1 << 5) |
| #define | SIP_NO_HISTORY (1 << 27) |
| #define | SIP_NOVIDEO (1 << 2) |
| #define | SIP_OPT_100REL (1 << 1) |
| #define | SIP_OPT_EARLY_SESSION (1 << 3) |
| #define | SIP_OPT_EVENTLIST (1 << 11) |
| #define | SIP_OPT_GRUU (1 << 12) |
| #define | SIP_OPT_HISTINFO (1 << 15) |
| #define | SIP_OPT_JOIN (1 << 4) |
| #define | SIP_OPT_NOREFERSUB (1 << 14) |
| #define | SIP_OPT_PATH (1 << 5) |
| #define | SIP_OPT_PRECONDITION (1 << 7) |
| #define | SIP_OPT_PREF (1 << 6) |
| #define | SIP_OPT_PRIVACY (1 << 8) |
| #define | SIP_OPT_REPLACES (1 << 0) |
| #define | SIP_OPT_RESPRIORITY (1 << 16) |
| #define | SIP_OPT_SDP_ANAT (1 << 9) |
| #define | SIP_OPT_SEC_AGREE (1 << 10) |
| #define | SIP_OPT_TARGET_DIALOG (1 << 13) |
| #define | SIP_OPT_TIMER (1 << 2) |
| #define | SIP_OUTGOING (1 << 13) |
| #define | SIP_PAGE2_ALLOWOVERLAP (1 << 17) |
| #define | SIP_PAGE2_ALLOWSUBSCRIBE (1 << 16) |
| #define | SIP_PAGE2_BUGGY_MWI (1 << 26) |
| #define | SIP_PAGE2_CALL_ONHOLD (3 << 23) |
| #define | SIP_PAGE2_CALL_ONHOLD_ACTIVE (1 << 23) |
| #define | SIP_PAGE2_CALL_ONHOLD_INACTIVE (3 << 23) |
| #define | SIP_PAGE2_CALL_ONHOLD_ONEDIR (2 << 23) |
| #define | SIP_PAGE2_DEBUG (3 << 11) |
| #define | SIP_PAGE2_DEBUG_CONFIG (1 << 11) |
| #define | SIP_PAGE2_DEBUG_CONSOLE (1 << 12) |
| #define | SIP_PAGE2_DIALOG_ESTABLISHED (1 << 29) |
| #define | SIP_PAGE2_DYNAMIC (1 << 13) |
| #define | SIP_PAGE2_FLAGS_TO_COPY |
| #define | SIP_PAGE2_IGNOREREGEXPIRE (1 << 10) |
| #define | SIP_PAGE2_INC_RINGING (1 << 19) |
| #define | SIP_PAGE2_OUTGOING_CALL (1 << 27) |
| #define | SIP_PAGE2_RFC2833_COMPENSATE (1 << 25) |
| #define | SIP_PAGE2_RT_FROMCONTACT (1 << 4) |
| #define | SIP_PAGE2_RTAUTOCLEAR (1 << 2) |
| #define | SIP_PAGE2_RTCACHEFRIENDS (1 << 0) |
| #define | SIP_PAGE2_RTSAVE_SYSNAME (1 << 5) |
| #define | SIP_PAGE2_RTUPDATE (1 << 1) |
| #define | SIP_PAGE2_SELFDESTRUCT (1 << 14) |
| #define | SIP_PAGE2_STATECHANGEQUEUE (1 << 9) |
| #define | SIP_PAGE2_SUBSCRIBEMWIONLY (1 << 18) |
| #define | SIP_PAGE2_T38SUPPORT (7 << 20) |
| #define | SIP_PAGE2_T38SUPPORT_RTP (2 << 20) |
| #define | SIP_PAGE2_T38SUPPORT_TCP (4 << 20) |
| #define | SIP_PAGE2_T38SUPPORT_UDPTL (1 << 20) |
| #define | SIP_PAGE2_UDPTL_DESTINATION (1 << 28) |
| #define | SIP_PAGE2_VIDEOSUPPORT (1 << 15) |
| #define | SIP_PENDINGBYE (1 << 6) |
| #define | SIP_PKT_DEBUG (1 << 0) |
| #define | SIP_PKT_IGNORE (1 << 2) |
| #define | SIP_PKT_IGNORE_REQ (1 << 4) |
| #define | SIP_PKT_IGNORE_RESP (1 << 3) |
| #define | SIP_PKT_WITH_TOTAG (1 << 1) |
| #define | SIP_PROG_INBAND (3 << 25) |
| #define | SIP_PROG_INBAND_NEVER (0 << 25) |
| #define | SIP_PROG_INBAND_NO (1 << 25) |
| #define | SIP_PROG_INBAND_YES (2 << 25) |
| #define | SIP_PROGRESS_SENT (1 << 4) |
| #define | SIP_PROMISCREDIR (1 << 8) |
| #define | SIP_REALTIME (1 << 11) |
| #define | SIP_REINVITE (7 << 20) |
| #define | SIP_REINVITE_UPDATE (4 << 20) |
| #define | SIP_RESERVED ";/?:@&=+$,# " |
| #define | SIP_RINGING (1 << 3) |
| #define | SIP_SENDRPID (1 << 29) |
| #define | SIP_TRANS_TIMEOUT 32000 |
| #define | SIP_TRUSTRPID (1 << 9) |
| #define | SIP_USECLIENTCODE (1 << 12) |
| #define | SIP_USEREQPHONE (1 << 10) |
| #define | SIPBUFSIZE 512 |
| #define | sipdebug ast_test_flag(&global_flags[1], SIP_PAGE2_DEBUG) |
| #define | sipdebug_config ast_test_flag(&global_flags[1], SIP_PAGE2_DEBUG_CONFIG) |
| #define | sipdebug_console ast_test_flag(&global_flags[1], SIP_PAGE2_DEBUG_CONSOLE) |
| #define | STANDARD_SIP_PORT 5060 |
| Standard SIP port from RFC 3261. DO NOT CHANGE THIS. | |
| #define | SUPPORTED 1 |
| #define | SUPPORTED_EXTENSIONS "replaces" |
| SIP Extensions we support. | |
| #define | T38FAX_FILL_BIT_REMOVAL (1 << 0) |
| #define | T38FAX_RATE_12000 (1 << 12) |
| #define | T38FAX_RATE_14400 (1 << 13) |
| #define | T38FAX_RATE_2400 (1 << 8) |
| #define | T38FAX_RATE_4800 (1 << 9) |
| #define | T38FAX_RATE_7200 (1 << 10) |
| #define | T38FAX_RATE_9600 (1 << 11) |
| #define | T38FAX_RATE_MANAGEMENT_LOCAL_TCF (1 << 3) |
| #define | T38FAX_RATE_MANAGEMENT_TRANSFERED_TCF (0 << 3) |
| #define | T38FAX_TRANSCODING_JBIG (1 << 2) |
| #define | T38FAX_TRANSCODING_MMR (1 << 1) |
| #define | T38FAX_UDP_EC_FEC (1 << 4) |
| #define | T38FAX_UDP_EC_NONE (0 << 4) |
| #define | T38FAX_UDP_EC_REDUNDANCY (2 << 4) |
| #define | T38FAX_VERSION (3 << 6) |
| #define | T38FAX_VERSION_0 (0 << 6) |
| #define | T38FAX_VERSION_1 (1 << 6) |
| #define | TRUE 1 |
| #define | UNLINK(element, head, prev) |
| #define | VIDEO_CODEC_MASK 0x1fc0000 |
| #define | XMIT_ERROR -2 |
Enumerations | |
| enum | check_auth_result { AUTH_SUCCESSFUL = 0, AUTH_CHALLENGE_SENT = 1, AUTH_SECRET_FAILED = -1, AUTH_USERNAME_MISMATCH = -2, AUTH_NOT_FOUND = -3, AUTH_FAKE_AUTH = -4, AUTH_UNKNOWN_DOMAIN = -5, AUTH_PEER_NOT_DYNAMIC = -6, AUTH_ACL_FAILED = -7 } |
| Authentication result from check_auth* functions. More... | |
| enum | domain_mode { SIP_DOMAIN_AUTO, SIP_DOMAIN_CONFIG } |
| Modes for SIP domain handling in the PBX. More... | |
| enum | invitestates { INV_NONE = 0, INV_CALLING = 1, INV_PROCEEDING = 2, INV_EARLY_MEDIA = 3, INV_COMPLETED = 4, INV_CONFIRMED = 5, INV_TERMINATED = 6, INV_CANCELLED = 7 } |
| States for the INVITE transaction, not the dialog. More... | |
| enum | parse_register_result { PARSE_REGISTER_FAILED, PARSE_REGISTER_UPDATE, PARSE_REGISTER_QUERY } |
| enum | referstatus { REFER_IDLE, REFER_SENT, REFER_RECEIVED, REFER_CONFIRMED, REFER_ACCEPTED, REFER_RINGING, REFER_200OK, REFER_FAILED, REFER_NOAUTH } |
| Parameters to know status of transfer. More... | |
| enum | sip_auth_type { PROXY_AUTH, WWW_AUTH } |
| Authentication types - proxy or www authentication. More... | |
| enum | sip_result { AST_SUCCESS = 0, AST_FAILURE = -1 } |
| enum | sipmethod { SIP_UNKNOWN, SIP_RESPONSE, SIP_REGISTER, SIP_OPTIONS, SIP_NOTIFY, SIP_INVITE, SIP_ACK, SIP_PRACK, SIP_BYE, SIP_REFER, SIP_SUBSCRIBE, SIP_MESSAGE, SIP_UPDATE, SIP_INFO, SIP_CANCEL, SIP_PUBLISH, SIP_PING } |
| SIP Request methods known by Asterisk. More... | |
| enum | sipregistrystate { REG_STATE_UNREGISTERED = 0, REG_STATE_REGSENT, REG_STATE_AUTHSENT, REG_STATE_REGISTERED, REG_STATE_REJECTED, REG_STATE_TIMEOUT, REG_STATE_NOAUTH, REG_STATE_FAILED } |
| States for outbound registrations (with register= lines in sip.conf. More... | |
| enum | subscriptiontype { NONE = 0, XPIDF_XML, DIALOG_INFO_XML, CPIM_PIDF_XML, PIDF_XML, MWI_NOTIFICATION } |
| enum | t38state { T38_DISABLED = 0, T38_LOCAL_DIRECT, T38_LOCAL_REINVITE, T38_PEER_DIRECT, T38_PEER_REINVITE, T38_ENABLED } |
| T38 States for a call. More... | |
| enum | transfermodes { TRANSFER_OPENFORALL, TRANSFER_CLOSED } |
| Authorization scheme for call transfers. More... | |
| enum | xmittype { XMIT_CRITICAL = 2, XMIT_RELIABLE = 1, XMIT_UNRELIABLE = 0 } |
Functions | |
| static const char * | __get_header (const struct sip_request *req, const char *name, int *start) |
| static int | __set_address_from_contact (const char *fullcontact, struct sockaddr_in *sin) |
| static void | __sip_ack (struct sip_pvt *p, int seqno, int resp, int sipmethod) |
| Acknowledges receipt of a packet and stops retransmission called with p locked. | |
| static int | __sip_autodestruct (const void *data) |
| Kill a SIP dialog (called by scheduler). | |
| static int | __sip_destroy (struct sip_pvt *p, int lockowner) |
| Execute destruction of SIP dialog structure, release memory. | |
| static int | __sip_do_register (struct sip_registry *r) |
| Register with SIP proxy. | |
| static void | __sip_pretend_ack (struct sip_pvt *p) |
| Pretend to ack all packets called with p locked. | |
| static int | __sip_reliable_xmit (struct sip_pvt *p, int seqno, int resp, char *data, int len, int fatal, int sipmethod) |
| Transmit packet with retransmits. | |
| static int | __sip_semi_ack (struct sip_pvt *p, int seqno, int resp, int sipmethod) |
| Acks receipt of packet, keep it around (used for provisional responses). | |
| static int | __sip_show_channels (int fd, int argc, char *argv[], int subscriptions) |
| SIP show channels CLI (main function). | |
| static int | __sip_xmit (struct sip_pvt *p, char *data, int len) |
| Transmit SIP message. | |
| static int | __transmit_response (struct sip_pvt *p, const char *msg, const struct sip_request *req, enum xmittype reliable) |
| Base transmit response function. | |
| static int | _sip_show_peer (int type, int fd, struct mansession *s, const struct message *m, int argc, const char *argv[]) |
| Show one peer in detail (main function). | |
| static int | _sip_show_peers (int fd, int *total, struct mansession *s, const struct message *m, int argc, const char *argv[]) |
| _sip_show_peers: Execute sip show peers command | |
| static int | acf_channel_read (struct ast_channel *chan, char *funcname, char *preparse, char *buf, size_t buflen) |
| static void | add_blank (struct sip_request *req) |
| add a blank line if no body | |
| static void | add_codec_to_sdp (const struct sip_pvt *p, int codec, int sample_rate, char **m_buf, size_t *m_size, char **a_buf, size_t *a_size, int debug, int *min_packet_size) |
| Add codec offer to SDP offer/answer body in INVITE or 200 OK. | |
| static int | add_digit (struct sip_request *req, char digit, unsigned int duration) |
| Add DTMF INFO tone to sip message. | |
| static int | add_header (struct sip_request *req, const char *var, const char *value) |
| Add header to SIP message. | |
| static int | add_header_contentLength (struct sip_request *req, int len) |
| Add 'Content-Length' header to SIP message. | |
| static int | add_line (struct sip_request *req, const char *line) |
| Add content (not header) to SIP message. | |
| static void | add_noncodec_to_sdp (const struct sip_pvt *p, int format, int sample_rate, char **m_buf, size_t *m_size, char **a_buf, size_t *a_size, int debug) |
| Add RFC 2833 DTMF offer to SDP. | |
| static struct sip_auth * | add_realm_authentication (struct sip_auth *authlist, char *configuration, int lineno) |
| Add realm authentication in list. | |
| static void | add_route (struct sip_request *req, struct sip_route *route) |
| Add route header into request per learned route. | |
| static enum sip_result | add_sdp (struct sip_request *resp, struct sip_pvt *p) |
| Add Session Description Protocol message. | |
| static int | add_sip_domain (const char *domain, const enum domain_mode mode, const char *context) |
| Add SIP domain to list of domains we are responsible for. | |
| static int | add_t38_sdp (struct sip_request *resp, struct sip_pvt *p) |
| Add T.38 Session Description Protocol message. | |
| static int | add_text (struct sip_request *req, const char *text) |
| Add text body to SIP message. | |
| static int | add_vidupdate (struct sip_request *req) |
| add XML encoded media control with update | |
| static void | append_date (struct sip_request *req) |
| Append date to SIP message. | |
| static void | append_history_full (struct sip_pvt *p, const char *fmt,...) |
| Append to SIP dialog history with arg list. | |
| static void static void | append_history_va (struct sip_pvt *p, const char *fmt, va_list ap) |
| Append to SIP dialog history with arg list. | |
| AST_LIST_HEAD_NOLOCK (sip_history_head, sip_history) | |
| static | AST_LIST_HEAD_STATIC (domain_list, domain) |
| AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT,"Session Initiation Protocol (SIP)",.load=load_module,.unload=unload_module,.reload=reload,) | |
| AST_MUTEX_DEFINE_STATIC (sip_reload_lock) | |
| AST_MUTEX_DEFINE_STATIC (monlock) | |
| AST_MUTEX_DEFINE_STATIC (netlock) | |
| Protect the monitoring thread, so only one process can kill or start it, and not when it's doing something critical. | |
| AST_MUTEX_DEFINE_STATIC (iflock) | |
| Protect the SIP dialog list (of sip_pvt's). | |
| static void | ast_quiet_chan (struct ast_channel *chan) |
| Turn off generator data XXX Does this function belong in the SIP channel? | |
| static int | ast_sip_ouraddrfor (struct in_addr *them, struct in_addr *us) |
| NAT fix - decide which IP address to use for ASterisk server? | |
| AST_THREADSTORAGE (check_auth_buf, check_auth_buf_init) | |
| AST_THREADSTORAGE_CUSTOM (ts_temp_pvt, temp_pvt_init, temp_pvt_cleanup) | |
| A per-thread temporary pvt structure. | |
| static int | attempt_transfer (struct sip_dual *transferer, struct sip_dual *target) |
| Attempt transfer of SIP call This fix for attended transfers on a local PBX. | |
| static int | auto_congest (const void *nothing) |
| Scheduled congestion on a call. | |
| static void | build_callid_pvt (struct sip_pvt *pvt) |
| Build SIP Call-ID value for a non-REGISTER transaction. | |
| static void | build_callid_registry (struct sip_registry *reg, struct in_addr ourip, const char *fromdomain) |
| Build SIP Call-ID value for a REGISTER transaction. | |
| static void | build_contact (struct sip_pvt *p) |
| Build contact header - the contact header we send out. | |
| static struct sip_peer * | build_peer (const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime) |
| Build peer from configuration (file or realtime static/dynamic). | |
| static int | build_reply_digest (struct sip_pvt *p, int method, char *digest, int digest_len) |
| Build reply digest. | |
| static void | build_route (struct sip_pvt *p, struct sip_request *req, int backwards) |
| Build route list from Record-Route header. | |
| static void | build_rpid (struct sip_pvt *p) |
| Build the Remote Party-ID & From using callingpres options. | |
| static struct sip_user * | build_user (const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime) |
| Initiate a SIP user structure from configuration (configuration or realtime). | |
| static void | build_via (struct sip_pvt *p) |
| Build a Via header for a request. | |
| static int | cb_extensionstate (char *context, char *exten, int state, void *data) |
| Callback for the devicestate notification (SUBSCRIBE) support subsystem. | |
| static void | change_hold_state (struct sip_pvt *dialog, struct sip_request *req, int holdstate, int sendonly) |
| Change hold state for a call. | |
| static enum check_auth_result | check_auth (struct sip_pvt *p, struct sip_request *req, const char *username, const char *secret, const char *md5secret, int sipmethod, char *uri, enum xmittype reliable, int ignore) |
| Check user authorization from peer definition Some actions, like REGISTER and INVITEs from peers require authentication (if peer have secret set). | |
| static void | check_pendings (struct sip_pvt *p) |
| Check pending actions on SIP call. | |
| static int | check_sip_domain (const char *domain, char *context, size_t len) |
| check_sip_domain: Check if domain part of uri is local to our server | |
| static int | check_user (struct sip_pvt *p, struct sip_request *req, int sipmethod, char *uri, enum xmittype reliable, struct sockaddr_in *sin) |
| Find user If we get a match, this will add a reference pointer to the user object in ASTOBJ, that needs to be unreferenced. | |
| static enum check_auth_result | check_user_full (struct sip_pvt *p, struct sip_request *req, int sipmethod, char *uri, enum xmittype reliable, struct sockaddr_in *sin, struct sip_peer **authpeer) |
| Check if matching user or peer is defined Match user on From: user name and peer on IP/port This is used on first invite (not re-invites) and subscribe requests. | |
| static void | check_via (struct sip_pvt *p, const struct sip_request *req) |
| check Via: header for hostname, port and rport request/answer | |
| static void | cleanup_stale_contexts (char *new, char *old) |
| Destroy disused contexts between reloads Only used in reload_config so the code for regcontext doesn't get ugly. | |
| static int | clear_realm_authentication (struct sip_auth *authlist) |
| Clear realm authentication list (at reload). | |
| static void | clear_sip_domains (void) |
| Clear our domain list (at reload). | |
| static char * | complete_sip_debug_peer (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip debug peer' CLI. | |
| static char * | complete_sip_peer (const char *word, int state, int flags2) |
| Do completion on peer name. | |
| static char * | complete_sip_prune_realtime_peer (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip prune realtime peer' CLI. | |
| static char * | complete_sip_prune_realtime_user (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip prune realtime user' CLI. | |
| static char * | complete_sip_show_peer (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip show peer' CLI. | |
| static char * | complete_sip_show_user (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip show user' CLI. | |
| static char * | complete_sip_user (const char *word, int state, int flags2) |
| Do completion on user name. | |
| static char * | complete_sipch (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip show channel' CLI. | |
| static char * | complete_sipnotify (const char *line, const char *word, int pos, int state) |
| Support routine for 'sip notify' CLI. | |
| static int | copy_all_header (struct sip_request *req, const struct sip_request *orig, const char *field) |
| Copy all headers from one request to another. | |
| static int | copy_header (struct sip_request *req, const struct sip_request *orig, const char *field) |
| Copy one header field from one request to another. | |
| static void | copy_request (struct sip_request *dst, const struct sip_request *src) |
| copy SIP request (mostly used to save request for responses) | |
| static int | copy_via_headers (struct sip_pvt *p, struct sip_request *req, const struct sip_request *orig, const char *field) |
| Copy SIP VIA Headers from the request to the response. | |
| static int | create_addr (struct sip_pvt *dialog, const char *opeer) |
| create address structure from peer name Or, if peer not found, find it in the global DNS returns TRUE (-1) on failure, FALSE on success | |
| static int | create_addr_from_peer (struct sip_pvt *dialog, struct sip_peer *peer) |
| Create address structure from peer reference. return -1 on error, 0 on success. | |
| static void | destroy_association (struct sip_peer *peer) |
| Remove registration data from realtime database or AST/DB when registration expires. | |
| static int | determine_firstline_parts (struct sip_request *req) |
| Parse first line of incoming SIP request. | |
| static void * | do_monitor (void *data) |
| The SIP monitoring thread. | |
| static int | do_proxy_auth (struct sip_pvt *p, struct sip_request *req, char *header, char *respheader, int sipmethod, int init) |
| Add authentication on outbound SIP packet. | |
| static int | do_register_auth (struct sip_pvt *p, struct sip_request *req, char *header, char *respheader) |
| Authenticate for outbound registration. | |
| static void | do_setnat (struct sip_pvt *p, int natflags) |
| Set nat mode on the various data sockets. | |
| static int | does_peer_need_mwi (struct sip_peer *peer) |
| Check whether peer needs a new MWI notification check. | |
| static const char * | domain_mode_to_text (const enum domain_mode mode) |
| Print domain mode to cli. | |
| static const char * | dtmfmode2str (int mode) |
| Convert DTMF mode to printable string. | |