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Diffstat (limited to 'channels/chan_sip.c')
-rw-r--r--channels/chan_sip.c125
1 files changed, 65 insertions, 60 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 7c619d414..27d658a81 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -1640,6 +1640,11 @@ struct sip_refer {
enum referstatus status; /*!< REFER status */
};
+/*! \brief Struct to handle custom SIP notify requests. Dynamically allocated when needed */
+struct sip_notify {
+ struct ast_variable *headers;
+ struct ast_str *content;
+};
/*! \brief Structure that encapsulates all attributes related to running
* SIP Session-Timers feature on a per dialog basis.
@@ -1792,7 +1797,7 @@ struct sip_pvt {
enum transfermodes allowtransfer; /*!< REFER: restriction scheme */
struct ast_channel *owner; /*!< Who owns us (if we have an owner) */
struct sip_route *route; /*!< Head of linked list of routing steps (fm Record-Route) */
- struct ast_variable *notify_headers; /*!< Custom notify type */
+ struct sip_notify *notify; /*!< Custom notify type */
struct sip_auth *peerauth; /*!< Realm authentication */
int noncecount; /*!< Nonce-count */
unsigned int stalenonce:1; /*!< Marks the current nonce as responded too */
@@ -2415,7 +2420,6 @@ static int transmit_message_with_text(struct sip_pvt *p, const char *text);
static int transmit_refer(struct sip_pvt *p, const char *dest);
static int transmit_notify_with_mwi(struct sip_pvt *p, int newmsgs, int oldmsgs, const char *vmexten);
static int transmit_notify_with_sipfrag(struct sip_pvt *p, int cseq, char *message, int terminate);
-static int transmit_notify_custom(struct sip_pvt *p, struct ast_variable *vars);
static int transmit_register(struct sip_registry *r, int sipmethod, const char *auth, const char *authheader);
static int send_response(struct sip_pvt *p, struct sip_request *req, enum xmittype reliable, int seqno);
static int send_request(struct sip_pvt *p, struct sip_request *req, enum xmittype reliable, int seqno);
@@ -2502,6 +2506,7 @@ static void peer_mailboxes_to_str(struct ast_str **mailbox_str, struct sip_peer
static struct ast_variable *copy_vars(struct ast_variable *src);
/* static int sip_addrcmp(char *name, struct sockaddr_in *sin); Support for peer matching */
static int sip_refer_allocate(struct sip_pvt *p);
+static int sip_notify_allocate(struct sip_pvt *p);
static void ast_quiet_chan(struct ast_channel *chan);
static int attempt_transfer(struct sip_dual *transferer, struct sip_dual *target);
static int do_magic_pickup(struct ast_channel *channel, const char *extension, const char *context);
@@ -5610,9 +5615,10 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
if (p->options)
ast_free(p->options);
- if (p->notify_headers) {
- ast_variables_destroy(p->notify_headers);
- p->notify_headers = NULL;
+ if (p->notify) {
+ ast_variables_destroy(p->notify->headers);
+ ast_free(p->notify->content);
+ ast_free(p->notify);
}
if (p->rtp) {
ast_rtp_instance_destroy(p->rtp);
@@ -11004,13 +11010,6 @@ static int transmit_invite(struct sip_pvt *p, int sipmethod, int sdp, int init)
add_header(&req, "Allow", ALLOWED_METHODS);
add_header(&req, "Supported", SUPPORTED_EXTENSIONS);
- if(p->notify_headers) {
- char buf[512];
- for (var = p->notify_headers; var; var = var->next) {
- ast_copy_string(buf, var->value, sizeof(buf));
- add_header(&req, var->name, ast_unescape_semicolon(buf));
- }
- }
if (p->options && p->options->addsipheaders && p->owner) {
struct ast_channel *chan = p->owner; /* The owner channel */
struct varshead *headp;
@@ -11065,11 +11064,15 @@ static int transmit_invite(struct sip_pvt *p, int sipmethod, int sdp, int init)
try_suggested_sip_codec(p);
add_sdp(&req, p, FALSE, TRUE, FALSE);
}
+ } else if (p->notify) {
+ for (var = p->notify->headers; var; var = var->next)
+ add_header(&req, var->name, var->value);
+ add_header_contentLength(&req, ast_str_strlen(p->notify->content));
+ if (ast_str_strlen(p->notify->content))
+ add_line(&req, ast_str_buffer(p->notify->content));
} else {
- if (!p->notify_headers) {
- add_header_contentLength(&req, 0);
- }
- }
+ add_header_contentLength(&req, 0);
+ }
if (!p->initreq.headers || init > 2)
initialize_initreq(p, &req);
@@ -11510,37 +11513,12 @@ static int transmit_notify_with_sipfrag(struct sip_pvt *p, int cseq, char *messa
return send_request(p, &req, XMIT_RELIABLE, p->ocseq);
}
-/*! \brief Notify device with custom headers from sip_notify.conf */
-static int transmit_notify_custom(struct sip_pvt *p, struct ast_variable *vars) {
- struct sip_request req;
- struct ast_variable *var, *newvar;
-
- initreqprep(&req, p, SIP_NOTIFY);
-
- /* Copy notify vars and add headers */
- p->notify_headers = newvar = ast_variable_new("Subscription-State", "terminated", "");
- add_header(&req, newvar->name, newvar->value);
- for (var = vars; var; var = var->next) {
- char buf[512];
- ast_debug(2, " Adding pair %s=%s\n", var->name, var->value);
- ast_copy_string(buf, var->value, sizeof(buf));
- add_header(&req, var->name, ast_unescape_semicolon(buf));
- newvar->next = ast_variable_new(var->name, var->value, "");
- newvar = newvar->next;
- }
-
- if (!p->initreq.headers) { /* Initialize first request before sending */
- initialize_initreq(p, &req);
- }
-
- return send_request(p, &req, XMIT_UNRELIABLE, p->ocseq);
-}
-
static int manager_sipnotify(struct mansession *s, const struct message *m)
{
const char *channame = astman_get_header(m, "Channel");
struct ast_variable *vars = astman_get_variables(m);
struct sip_pvt *p;
+ struct ast_variable *header, *var;
if (ast_strlen_zero(channame)) {
astman_send_error(s, m, "SIPNotify requires a channel name");
@@ -11567,21 +11545,26 @@ static int manager_sipnotify(struct mansession *s, const struct message *m)
/* Notify is outgoing call */
ast_set_flag(&p->flags[0], SIP_OUTGOING);
+ sip_notify_allocate(p);
+
+ p->notify->headers = header = ast_variable_new("Subscription-State", "terminated", "");
+
+ for (var = vars; var; var = var->next) {
+ if (!strcasecmp(var->name, "Content")) {
+ if (ast_str_strlen(p->notify->content))
+ ast_str_append(&p->notify->content, 0, "\r\n");
+ ast_str_append(&p->notify->content, 0, "%s", var->value);
+ } else {
+ header->next = ast_variable_new(var->name, var->value, "");
+ header = header->next;
+ }
+ }
- /* Recalculate our side, and recalculate Call ID */
- ast_sip_ouraddrfor(&p->sa.sin_addr, &p->ourip, p);
- build_via(p);
- ao2_t_unlink(dialogs, p, "About to change the callid -- remove the old name");
- build_callid_pvt(p);
- ao2_t_link(dialogs, p, "Linking in new name");
dialog_ref(p, "bump the count of p, which transmit_sip_request will decrement.");
sip_scheddestroy(p, SIP_TRANS_TIMEOUT);
+ transmit_invite(p, SIP_NOTIFY, 0, 2);
- if (!transmit_notify_custom(p, vars)) {
- astman_send_ack(s, m, "Notify Sent");
- } else {
- astman_send_error(s, m, "Unable to send notify");
- }
+ astman_send_ack(s, m, "Notify Sent");
ast_variables_destroy(vars);
return 0;
}
@@ -12024,6 +12007,15 @@ static int sip_refer_allocate(struct sip_pvt *p)
return p->refer ? 1 : 0;
}
+/*! \brief Allocate SIP refer structure */
+static int sip_notify_allocate(struct sip_pvt *p)
+{
+ p->notify = ast_calloc(1, sizeof(struct sip_notify));
+ if (p->notify)
+ p->notify->content = ast_str_create(128);
+ return p->notify ? 1 : 0;
+}
+
/*! \brief Transmit SIP REFER message (initiated by the transfer() dialplan application
\note this is currently broken as we have no way of telling the dialplan
engine whether a transfer succeeds or fails.
@@ -17199,6 +17191,8 @@ static char *sip_cli_notify(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
for (i = 3; i < a->argc; i++) {
struct sip_pvt *p;
+ char buf[512];
+ struct ast_variable *header, *var;
if (!(p = sip_alloc(NULL, NULL, 0, SIP_NOTIFY, NULL))) {
ast_log(LOG_WARNING, "Unable to build sip pvt data for notify (memory/socket error)\n");
@@ -17216,17 +17210,28 @@ static char *sip_cli_notify(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
/* Notify is outgoing call */
ast_set_flag(&p->flags[0], SIP_OUTGOING);
+ sip_notify_allocate(p);
+ p->notify->headers = header = ast_variable_new("Subscription-State", "terminated", "");
+
+ for (var = varlist; var; var = var->next) {
+ ast_copy_string(buf, var->value, sizeof(buf));
+ ast_unescape_semicolon(buf);
+
+ if (!strcasecmp(var->name, "Content")) {
+ if (ast_str_strlen(p->notify->content))
+ ast_str_append(&p->notify->content, 0, "\r\n");
+ ast_str_append(&p->notify->content, 0, "%s", buf);
+ } else {
+ header->next = ast_variable_new(var->name, buf, "");
+ header = header->next;
+ }
+ }
/* Recalculate our side, and recalculate Call ID */
- ast_sip_ouraddrfor(&p->sa.sin_addr, &p->ourip, p);
- build_via(p);
- ao2_t_unlink(dialogs, p, "About to change the callid -- remove the old name");
- build_callid_pvt(p);
- ao2_t_link(dialogs, p, "Linking in new name");
ast_cli(a->fd, "Sending NOTIFY of type '%s' to '%s'\n", a->argv[2], a->argv[i]);
dialog_ref(p, "bump the count of p, which transmit_sip_request will decrement.");
sip_scheddestroy(p, SIP_TRANS_TIMEOUT);
- transmit_notify_custom(p, varlist);
+ transmit_invite(p, SIP_NOTIFY, 0, 2);
}
return CLI_SUCCESS;
@@ -18397,7 +18402,7 @@ static void handle_response_notify(struct sip_pvt *p, int resp, const char *rest
break;
case 401: /* Not www-authorized on SIP method */
case 407: /* Proxy auth */
- if (!p->notify_headers) {
+ if (!p->notify) {
break; /* Only device notify can use NOTIFY auth */
}
ast_string_field_set(p, theirtag, NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 08:07:11 +0000