static int w_dlg_terminate(struct sip_msg *msg, char *side, char *r) {
struct dlg_cell *dlg;
str reason = {0, 0};
int n = (int) (long) side;
//check if a reason was given
if (r) {
if (get_str_fparam(&reason, msg, (fparam_t *) r) < 0) {
LM_ERR("failed to recover reason parameter\n");
return -1;
}
}
dlg = dlg_get_msg_dialog(msg);
//dlg_get_ctx_dialog();
if (!dlg) {
LM_DBG("Unable to find dialog for terminate\n");
return -1;
}
if (!dlg_terminate(dlg, msg, &reason, n, NULL)) {
LM_DBG("Failed to terminate dialog\n");
return -1;
}
return 1;
}
/*!
* \brief Unset a dialog profile
* \param msg SIP message
* \param value value
* \param profile dialog profile table
* \return 1 on success, -1 on failure
*/
int unset_dlg_profile(sip_msg_t *msg, str *value,
dlg_profile_table_t *profile)
{
dlg_cell_t *dlg;
dlg_profile_link_t *linker;
dlg_profile_link_t *linker_prev;
dlg_entry_t *d_entry;
if (is_route_type(REQUEST_ROUTE)) {
LM_ERR("dialog delete profile cannot be used in request route\n");
return -1;
}
/* get current dialog */
dlg = dlg_get_msg_dialog(msg);
if (dlg==NULL) {
LM_WARN("dialog is NULL for delete profile\n");
return -1;
}
/* check the dialog linkers */
d_entry = &d_table->entries[dlg->h_entry];
dlg_lock( d_table, d_entry);
linker = dlg->profile_links;
linker_prev = NULL;
for( ; linker ; linker_prev=linker,linker=linker->next) {
if (linker->profile==profile) {
if (profile->has_value==0) {
goto found;
} else if (value && value->len==linker->hash_linker.value.len &&
memcmp(value->s,linker->hash_linker.value.s,value->len)==0){
goto found;
}
/* allow further search - maybe the dialog is inserted twice in
* the same profile, but with different values -bogdan
*/
}
}
atomic_or_int((volatile int*)&dlg->dflags, DLG_FLAG_CHANGED_PROF);
dlg_unlock( d_table, d_entry);
dlg_release(dlg);
return -1;
found:
/* table still locked */
/* remove the linker element from dialog */
if (linker_prev==NULL) {
dlg->profile_links = linker->next;
} else {
linker_prev->next = linker->next;
}
linker->next = NULL;
dlg_unlock( d_table, d_entry);
/* remove linker from profile table and free it */
destroy_linkers(linker);
dlg_release(dlg);
return 1;
}
int pv_get_dlg_variable(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
{
dlg_cell_t *dlg;
str * value;
str spv;
if (param==NULL || param->pvn.type!=PV_NAME_INTSTR
|| param->pvn.u.isname.type!=AVP_NAME_STR
|| param->pvn.u.isname.name.s.s==NULL) {
LM_CRIT("BUG - bad parameters\n");
return -1;
}
/* Retrieve the dialog for current message */
dlg=dlg_get_msg_dialog( msg);
if (dlg) {
/* Lock the dialog */
dlg_lock(d_table, &(d_table->entries[dlg->h_entry]));
} else {
/* Verify the local list */
get_local_varlist_pointer(msg, 0);
}
/* dcm: todo - the value should be cloned for safe usage */
value = get_dlg_variable_unsafe(dlg, ¶m->pvn.u.isname.name.s);
spv.s = NULL;
if(value) {
spv.len = pv_get_buffer_size();
if(spv.len<value->len+1) {
LM_ERR("pv buffer too small (%d) - needed %d\n", spv.len, value->len);
} else {
spv.s = pv_get_buffer();
strncpy(spv.s, value->s, value->len);
spv.len = value->len;
spv.s[spv.len] = '\0';
}
}
print_lists(dlg);
/* unlock dialog */
if (dlg) {
dlg_unlock(d_table, &(d_table->entries[dlg->h_entry]));
dlg_release(dlg);
}
if (spv.s)
return pv_get_strval(msg, param, res, &spv);
return pv_get_null(msg, param, res);
}
/*
* Determine if message is in a dialog currently being tracked
*/
int is_known_dlg(struct sip_msg *msg) {
dlg_cell_t *dlg;
dlg = dlg_get_msg_dialog(msg);
if(dlg == NULL)
return -1;
dlg_release(dlg);
return 1;
}
/*!
* \brief Check if a dialog belongs to a profile
* \param msg SIP message
* \param profile dialog profile table
* \param value value
* \return 1 on success, -1 on failure
*/
int is_dlg_in_profile(struct sip_msg *msg, struct dlg_profile_table *profile,
str *value) {
struct dlg_cell *dlg;
struct dlg_profile_link *linker;
struct dlg_entry *d_entry;
int ret;
LM_DBG("Getting current dialog");
/* get current dialog */
dlg = dlg_get_msg_dialog(msg);
if (dlg == NULL) {
LM_DBG("Error: Current dlg is null");
return -1;
}
LM_DBG("Current dlg found");
ret = -1;
/* check the dialog linkers */
d_entry = &d_table->entries[dlg->h_entry];
dlg_lock( d_table, d_entry);
for (linker = dlg->profile_links; linker; linker = linker->next) {
LM_DBG("Running through linkers");
if (linker->profile == profile) {
LM_DBG("Profile matches");
if (profile->has_value == 0) {
LM_DBG("Profile has value is zero returning true");
dlg_unlock( d_table, d_entry);
ret = 1;
goto done;
} else if (value && value->len == linker->hash_linker.value.len
&& memcmp(value->s, linker->hash_linker.value.s, value->len)
== 0) {
LM_DBG("Profile has value equal to passed value returning true");
dlg_unlock( d_table, d_entry);
ret = 1;
goto done;
}
/* allow further search - maybe the dialog is inserted twice in
* the same profile, but with different values -bogdan
*/
}
}
dlg_unlock( d_table, d_entry);
done:
dlg_release(dlg);
return ret;
}
/*!
* \brief Check if a dialog belongs to a profile
* \param msg SIP message
* \param profile dialog profile table
* \param value value
* \return 1 on success, -1 on failure
*/
int is_dlg_in_profile(struct sip_msg *msg, struct dlg_profile_table *profile,
str *value)
{
struct dlg_cell *dlg;
struct dlg_profile_link *linker;
struct dlg_entry *d_entry;
int ret;
/* get current dialog */
dlg = dlg_get_msg_dialog(msg);
if (dlg==NULL)
return -1;
ret = -1;
/* check the dialog linkers */
d_entry = &d_table->entries[dlg->h_entry];
dlg_lock( d_table, d_entry);
for( linker=dlg->profile_links ; linker ; linker=linker->next) {
if (linker->profile==profile) {
if (profile->has_value==0) {
dlg_unlock( d_table, d_entry);
ret = 1;
goto done;
} else if (value && value->len==linker->hash_linker.value.len &&
memcmp(value->s,linker->hash_linker.value.s,value->len)==0){
dlg_unlock( d_table, d_entry);
ret = 1;
goto done;
}
/* allow further search - maybe the dialog is inserted twice in
* the same profile, but with different values -bogdan
*/
}
}
dlg_unlock( d_table, d_entry);
done:
dlg_release(dlg);
return ret;
}
static int w_dlg_set_timeout(struct sip_msg *msg, char *pto, char *phe, char *phi)
{
int to = 0;
unsigned int he = 0;
unsigned int hi = 0;
dlg_cell_t *dlg = NULL;
if(fixup_get_ivalue(msg, (gparam_p)pto, &to)!=0)
{
LM_ERR("no timeout value\n");
return -1;
}
if(phe!=NULL)
{
if(fixup_get_ivalue(msg, (gparam_p)phe, (int*)&he)!=0)
{
LM_ERR("no hash entry value value\n");
return -1;
}
if(fixup_get_ivalue(msg, (gparam_p)phi, (int*)&hi)!=0)
{
LM_ERR("no hash id value value\n");
return -1;
}
dlg = dlg_lookup(he, hi);
} else {
dlg = dlg_get_msg_dialog(msg);
}
if(dlg==NULL)
{
LM_DBG("no dialog found\n");
return -1;
}
if(update_dlg_timeout(dlg, to) != 0)
return -1;
return 1;
}
int pv_set_dlg_variable(struct sip_msg* msg, pv_param_t *param, int op, pv_value_t *val)
{
dlg_cell_t *dlg = NULL;
int ret = -1;
if (param==NULL || param->pvn.type!=PV_NAME_INTSTR
|| param->pvn.u.isname.type!=AVP_NAME_STR
|| param->pvn.u.isname.name.s.s==NULL ) {
LM_CRIT("BUG - bad parameters\n");
goto error;
}
/* Retrieve the dialog for current message */
dlg=dlg_get_msg_dialog( msg);
if (dlg) {
/* Lock the dialog */
dlg_lock(d_table, &(d_table->entries[dlg->h_entry]));
} else {
/* Verify the local list */
get_local_varlist_pointer(msg, 0);
}
if (val==NULL || val->flags&(PV_VAL_NONE|PV_VAL_NULL|PV_VAL_EMPTY)) {
/* if NULL, remove the value */
ret = set_dlg_variable_unsafe(dlg, ¶m->pvn.u.isname.name.s, NULL);
if(ret!= 0) {
/* unlock dialog */
if (dlg) {
dlg_unlock(d_table, &(d_table->entries[dlg->h_entry]));
dlg_release(dlg);
}
return ret;
}
} else {
/* if value, must be string */
if ( !(val->flags&PV_VAL_STR)) {
LM_ERR("non-string values are not supported\n");
/* unlock dialog */
if (dlg) dlg_unlock(d_table, &(d_table->entries[dlg->h_entry]));
goto error;
}
ret = set_dlg_variable_unsafe(dlg, ¶m->pvn.u.isname.name.s, &val->rs);
if(ret!= 0) {
/* unlock dialog */
if (dlg) dlg_unlock(d_table, &(d_table->entries[dlg->h_entry]));
goto error;
}
}
/* unlock dialog */
if (dlg) {
dlg->dflags |= DLG_FLAG_CHANGED_VARS;
dlg_unlock(d_table, &(d_table->entries[dlg->h_entry]));
if ( dlg_db_mode==DB_MODE_REALTIME )
update_dialog_dbinfo(dlg);
}
print_lists(dlg);
dlg_release(dlg);
return 0;
error:
dlg_release(dlg);
return -1;
}
/*!
* \brief Set a dialog profile
* \param msg SIP message
* \param value value
* \param profile dialog profile table
* \return 0 on success, -1 on failure
*/
int set_dlg_profile(struct sip_msg *msg, str *value, struct dlg_profile_table *profile)
{
dlg_cell_t *dlg = NULL;
dlg_profile_link_t *linker;
/* get current dialog */
dlg = dlg_get_msg_dialog(msg);
if (dlg==NULL && !is_route_type(REQUEST_ROUTE)) {
LM_CRIT("BUG - dialog not found in a non REQUEST route (%d)\n",
REQUEST_ROUTE);
return -1;
}
/* build new linker */
linker = (struct dlg_profile_link*)shm_malloc(
sizeof(struct dlg_profile_link) + (profile->has_value?value->len:0) );
if (linker==NULL) {
LM_ERR("no more shm memory\n");
goto error;
}
memset(linker, 0, sizeof(struct dlg_profile_link));
/* set backpointers to profile and linker (itself) */
linker->profile = profile;
linker->hash_linker.linker = linker;
/* set the value */
if (profile->has_value) {
linker->hash_linker.value.s = (char*)(linker+1);
memcpy( linker->hash_linker.value.s, value->s, value->len);
linker->hash_linker.value.len = value->len;
}
sruid_next_safe(&_dlg_profile_sruid);
strcpy(linker->hash_linker.puid, _dlg_profile_sruid.uid.s);
linker->hash_linker.puid_len = _dlg_profile_sruid.uid.len;
if (dlg!=NULL) {
/* add linker directly to the dialog and profile */
link_dlg_profile( linker, dlg);
} else {
/* if existing linkers are not from current request, just discard them */
if (msg->id!=current_dlg_msg_id || msg->pid!=current_dlg_msg_pid) {
current_dlg_msg_id = msg->id;
current_dlg_msg_pid = msg->pid;
destroy_linkers(current_pending_linkers);
current_pending_linkers = NULL;
}
/* no dialog yet -> set linker as pending */
if (msg->id!=current_dlg_msg_id || msg->pid!=current_dlg_msg_pid) {
current_dlg_msg_id = msg->id;
current_dlg_msg_pid = msg->pid;
destroy_linkers(current_pending_linkers);
}
linker->next = current_pending_linkers;
current_pending_linkers = linker;
}
dlg_release(dlg);
return 0;
error:
dlg_release(dlg);
return -1;
}
int pv_get_dlg(struct sip_msg *msg, pv_param_t *param,
pv_value_t *res)
{
dlg_cell_t *dlg = NULL;
int res_type = 0;
str sv = { 0 };
unsigned int ui = 0;
if(param==NULL)
return -1;
if(_dlg_ctx.iuid.h_id==0)
{
/* Retrieve the dialog for current message */
dlg=dlg_get_msg_dialog(msg);
} else {
/* Retrieve the dialog for current context */
dlg=dlg_get_by_iuid(&_dlg_ctx.iuid);
}
if(dlg == NULL)
return pv_get_null(msg, param, res);
switch(param->pvn.u.isname.name.n)
{
case 1:
res_type = 1;
ui = (unsigned int)dlg->h_id;
break;
case 2:
res_type = 1;
ui = (unsigned int)dlg->state;
break;
case 3:
if(dlg->route_set[DLG_CALLEE_LEG].s==NULL
|| dlg->route_set[DLG_CALLEE_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->route_set[DLG_CALLEE_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->route_set[DLG_CALLEE_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 4:
res_type = 1;
ui = (unsigned int)dlg->dflags;
break;
case 5:
res_type = 1;
ui = (unsigned int)dlg->sflags;
break;
case 6:
if(dlg->callid.s==NULL
|| dlg->callid.len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->callid.len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->callid.s, sv.len);
sv.s[sv.len] = '\0';
break;
case 7:
if(dlg->to_uri.s==NULL
|| dlg->to_uri.len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->to_uri.len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->to_uri.s, sv.len);
sv.s[sv.len] = '\0';
break;
case 8:
if(dlg->tag[DLG_CALLEE_LEG].s==NULL
|| dlg->tag[DLG_CALLEE_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->tag[DLG_CALLEE_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->tag[DLG_CALLEE_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 9:
res_type = 1;
ui = (unsigned int)dlg->toroute;
break;
case 10:
if(dlg->cseq[DLG_CALLEE_LEG].s==NULL
|| dlg->cseq[DLG_CALLEE_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->cseq[DLG_CALLEE_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->cseq[DLG_CALLEE_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 11:
if(dlg->route_set[DLG_CALLER_LEG].s==NULL
|| dlg->route_set[DLG_CALLER_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->route_set[DLG_CALLER_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->route_set[DLG_CALLER_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 12:
if(dlg->from_uri.s==NULL
|| dlg->from_uri.len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->from_uri.len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->from_uri.s, sv.len);
sv.s[sv.len] = '\0';
break;
case 13:
if(dlg->tag[DLG_CALLER_LEG].s==NULL
|| dlg->tag[DLG_CALLER_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->tag[DLG_CALLER_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->tag[DLG_CALLER_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 14:
res_type = 1;
ui = (unsigned int)dlg->lifetime;
break;
case 15:
res_type = 1;
ui = (unsigned int)dlg->start_ts;
break;
case 16:
if(dlg->cseq[DLG_CALLER_LEG].s==NULL
|| dlg->cseq[DLG_CALLER_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->cseq[DLG_CALLER_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->cseq[DLG_CALLER_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 17:
if(dlg->contact[DLG_CALLEE_LEG].s==NULL
|| dlg->contact[DLG_CALLEE_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->contact[DLG_CALLEE_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->contact[DLG_CALLEE_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 18:
if(dlg->bind_addr[DLG_CALLEE_LEG]==NULL)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->bind_addr[DLG_CALLEE_LEG]->sock_str.len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->bind_addr[DLG_CALLEE_LEG]->sock_str.s, sv.len);
sv.s[sv.len] = '\0';
break;
case 19:
if(dlg->contact[DLG_CALLER_LEG].s==NULL
|| dlg->contact[DLG_CALLER_LEG].len<=0)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->contact[DLG_CALLER_LEG].len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->contact[DLG_CALLER_LEG].s, sv.len);
sv.s[sv.len] = '\0';
break;
case 20:
if(dlg->bind_addr[DLG_CALLER_LEG]==NULL)
goto done;
sv.s = pv_get_buffer();
sv.len = dlg->bind_addr[DLG_CALLER_LEG]->sock_str.len;
if(pv_get_buffer_size()<sv.len)
goto done;
res_type = 2;
strncpy(sv.s, dlg->bind_addr[DLG_CALLER_LEG]->sock_str.s, sv.len);
sv.s[sv.len] = '\0';
break;
case 21:
res_type = 1;
ui = (unsigned int)dlg->h_entry;
break;
default:
res_type = 1;
ui = (unsigned int)dlg->ref;
}
done:
dlg_release(dlg);
switch(res_type) {
case 1:
return pv_get_uintval(msg, param, res, ui);
case 2:
return pv_get_strval(msg, param, res, &sv);
default:
return pv_get_null(msg, param, res);
}
}
