/**
* Decode a dialog userdata from a binary data structure
* @param x - binary data to decode from
* @returns the s_dialog* where the data has been decoded
*/
s_dialog* bin_decode_s_dialog(bin_data *x)
{
s_dialog *d=0;
int len;
str s;
char ch;
len = sizeof(s_dialog);
d = (s_dialog*) shm_malloc(len);
if (!d) {
LOG(L_ERR,"ERR:"M_NAME":bin_decode_s_dialog: Error allocating %d bytes.\n",len);
goto error;
}
memset(d,0,len);
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->call_id),&s)) goto error;
if (!bin_decode_char(x, &ch)) goto error;
d->direction = ch;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->aor),&s)) goto error;
if (!bin_decode_char(x, &ch)) goto error;
d->method = ch;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->method_str),&s)) goto error;
if (!bin_decode_int(x, &d->first_cseq)) goto error;
if (!bin_decode_int(x, &d->last_cseq)) goto error;
if (!bin_decode_char(x, &ch)) goto error;
d->state = ch;
if (!bin_decode_time_t(x, &d->expires)) goto error;
if (!bin_decode_time_t(x, &d->lr_session_expires)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->refresher),&s)) goto error;
if (!bin_decode_uchar(x,&d->uac_supp_timer)) goto error;
if (!bin_decode_uchar(x, &d->is_releasing)) goto error;
if (!bin_decode_dlg_t(x,&(d->dialog_c))) goto error;
if (!bin_decode_dlg_t(x,&(d->dialog_s))) goto error;
d->hash = get_s_dialog_hash(d->call_id);
return d;
error:
LOG(L_ERR,"ERR:"M_NAME":bin_decode_s_dialog: Error while decoding (at %d (%04x)).\n",x->max,x->max);
if (d) {
if (d->call_id.s) shm_free(d->call_id.s);
if (d->aor.s) shm_free(d->aor.s);
if (d->method_str.s) shm_free(d->method_str.s);
if (d->refresher.s) shm_free(d->refresher.s);
shm_free(d);
}
return 0;
}
/**
* Decode an SPT
* @param x - binary data to decode from
* @param spt - the service point trigger to decode into
* @returns 1 on succcess or 0 on error
*/
static int bin_decode_spt(bin_data *x, ims_spt *spt)
{
unsigned char k;
str s;
if (!bin_decode_uchar(x,&k)) goto error;
spt->type = k & 0x0F;
spt->condition_negated = ((k & 0x80)!=0);
spt->registration_type = ((k & 0x70)>>4);
if (!bin_decode_int(x,&(spt->group))) goto error;
switch (spt->type){
case 1:
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->request_uri),&s)) goto error;
break;
case 2:
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->method),&s)) goto error;
break;
case 3:
if (!bin_decode_short(x,&(spt->sip_header.type))) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->sip_header.header),&s)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->sip_header.content),&s)) goto error;
break;
case 4:
if (!bin_decode_char(x,&(spt->session_case))) goto error;
break;
case 5:
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->session_desc.line),&s)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(spt->session_desc.content),&s)) goto error;
break;
}
return 1;
error:
LOG(L_ERR,"ERR:"M_NAME":bin_decode_spt: Error while decoding (at %d (%04x)).\n",x->max,x->max);
if (spt){
switch (spt->type){
case 1:
if (spt->request_uri.s) shm_free(spt->request_uri.s);
break;
case 2:
if (spt->method.s) shm_free(spt->method.s);
break;
case 3:
if (spt->sip_header.header.s) shm_free(spt->sip_header.header.s);
if (spt->sip_header.header.s) shm_free(spt->sip_header.content.s);
break;
case 4:
break;
case 5:
if (spt->sip_header.header.s) shm_free(spt->session_desc.line.s);
if (spt->sip_header.header.s) shm_free(spt->session_desc.content.s);
break;
}
}
return 0;
}
/**
* Decode an authentication vector from a binary data structure
* @param x - binary data to decode from
* @returns the auth_vector* where the data has been decoded
*/
auth_vector* bin_decode_auth_vector(bin_data *x)
{
auth_vector *v=0;
int len;
char ch;
str s;
len = sizeof(auth_vector);
v = (auth_vector*) shm_malloc(len);
if (!v) {
LOG(L_ERR,"ERR:"M_NAME":bin_decode_auth_vector: Error allocating %d bytes.\n",len);
goto error;
}
memset(v,0,len);
if (!bin_decode_int(x,&(v->item_number))) goto error;
if (!bin_decode_uchar(x,&(v->type))) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(v->authenticate),&s)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(v->authorization),&s)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(v->ck),&s)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(v->ik),&s)) goto error;
if (!bin_decode_time_t(x, &(v->expires))) goto error;
if (!bin_decode_char(x, &ch)) goto error;
v->status=ch;
return v;
error:
LOG(L_ERR,"ERR:"M_NAME":bin_decode_auth_vector: Error while decoding (at %d (%04x)).\n",x->max,x->max);
if (v) {
if (v->authenticate.s) shm_free(v->authenticate.s);
if (v->authorization.s) shm_free(v->authorization.s);
if (v->ck.s) shm_free(v->ck.s);
if (v->ik.s) shm_free(v->ik.s);
shm_free(v);
}
return 0;
}
/**
* Decode a dialog from a binary data structure
* @param x - binary data to decode from
* @returns the p_dialog* where the data has been decoded
*/
p_dialog* bin_decode_p_dialog(bin_data *x)
{
p_dialog *d=0;
int len,i;
str s;
char c;
unsigned char uc;
len = sizeof(p_dialog);
d = (p_dialog*) shm_malloc(len);
if (!d) {
LOG(L_ERR,"ERR:"M_NAME":bin_decode_p_dialog: Error allocating %d bytes.\n",len);
goto error;
}
memset(d,0,len);
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->call_id),&s)) goto error;
if (!bin_decode_uchar(x, &uc)) goto error;
d->direction = uc;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->host),&s)) goto error;
if (!bin_decode_ushort(x, &d->port)) goto error;
if (!bin_decode_uchar(x, &uc)) goto error;
d->transport = uc;
if (!bin_decode_ushort(x, &d->routes_cnt)) goto error;
len = sizeof(str)*d->routes_cnt;
d->routes = (str*) shm_malloc(len);
if (!d) {
LOG(L_ERR,"ERR:"M_NAME":bin_decode_p_dialog: Error allocating %d bytes.\n",len);
goto error;
}
memset(d->routes,0,len);
for(i=0;i<d->routes_cnt;i++)
if (!bin_decode_str(x,&s)||!str_shm_dup(d->routes+i,&s)) goto error;
if (!bin_decode_char(x, &c)) goto error;
d->method = c;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->method_str),&s)) goto error;
if (!bin_decode_int(x, &d->first_cseq)) goto error;
if (!bin_decode_int(x, &d->last_cseq)) goto error;
if (!bin_decode_char(x, &c)) goto error;
d->state = c;
if (!bin_decode_time_t(x, &d->expires)) goto error;
if (!bin_decode_time_t(x, &d->lr_session_expires)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->refresher),&s)) goto error;
if (!bin_decode_uchar(x,&d->uac_supp_timer)) goto error;
if (!bin_decode_uchar(x, &d->is_releasing)) goto error;
if (!bin_decode_str(x,&s)||!str_shm_dup(&(d->pcc_session_id),&s)) goto error;
if (!bin_decode_dlg_t(x,&(d->dialog_c))) goto error;
if (!bin_decode_dlg_t(x,&(d->dialog_s))) goto error;
d->hash = get_p_dialog_hash(d->call_id);
return d;
error:
LOG(L_ERR,"ERR:"M_NAME":bin_decode_p_dialog: Error while decoding (at %d (%04x)).\n",x->max,x->max);
if (d) {
if (d->call_id.s) shm_free(d->call_id.s);
if (d->host.s) shm_free(d->host.s);
if (d->routes_cnt){
for(i=0;i<d->routes_cnt;i++)
if (d->routes[i].s) shm_free(d->routes[i].s);
shm_free(d->routes);
}
if (d->method_str.s) shm_free(d->method_str.s);
if (d->refresher.s) shm_free(d->refresher.s);
shm_free(d);
}
return 0;
}