static int lua_sr_setbflag (lua_State *L)
{
int flag;
int branch;
sr_lua_env_t *env_L;
env_L = sr_lua_env_get();
if(lua_gettop(L)==1)
{
flag = lua_tointeger(L, -1);
branch = 0;
} else if(lua_gettop(L)==2) {
flag = lua_tointeger(L, -2);
branch = lua_tointeger(L, -1);
} else {
LM_WARN("invalid number of parameters from Lua\n");
return app_lua_return_false(L);
}
if(env_L->msg==NULL)
{
LM_WARN("invalid parameters from Lua env\n");
return app_lua_return_false(L);
}
if (!flag_in_range(flag))
{
LM_ERR("invalid flag parameter %d\n", flag);
return app_lua_return_false(L);
}
setbflag(branch, flag);
return app_lua_return_true(L);
}
int ki_pua_set_publish(sip_msg_t* msg)
{
LM_DBG("set send publish\n");
pua_ul_publish= 1;
if(pua_ul_bmask!=0)
setbflag(0, pua_ul_bflag);
return 1;
}
int w_setbflag(struct sip_msg *msg, char *flag, char *idx)
{
int fval=0;
int ival=0;
if(fixup_get_ivalue(msg, (gparam_p)flag, &fval)!=0)
{
LM_ERR("no flag value\n");
return -1;
}
if(fval<0 || fval>31)
return -1;
if(idx!=0)
{
if(fixup_get_ivalue(msg, (gparam_p)idx, &ival)!=0)
{
LM_ERR("no idx value\n");
return -1;
}
if(ival<0)
return -1;
}
return setbflag(ival, (flag_t)fval);
}
/* ret= 0! if action -> end of list(e.g DROP),
> 0 to continue processing next actions
and <0 on error */
int do_action(struct action* a, struct sip_msg* msg)
{
int ret;
int v;
int sec,usec;
union sockaddr_union* to;
struct proxy_l* p;
char* tmp;
char *new_uri, *end, *crt;
int len,i;
int user = 0;
int expires = 0;
str vals[5];
str result;
struct sip_uri uri, next_hop;
struct sip_uri *u;
unsigned short port;
int cmatch;
struct action *aitem;
struct action *adefault;
pv_spec_t *spec;
pv_elem_p model;
pv_value_t val;
pv_elem_t *pve;
str name_s;
struct timeval start;
int end_time;
action_elem_t *route_params_bak;
int route_params_number_bak;
/* reset the value of error to E_UNSPEC so avoid unknowledgable
functions to return with error (status<0) and not setting it
leaving there previous error; cache the previous value though
for functions which want to process it */
prev_ser_error=ser_error;
ser_error=E_UNSPEC;
start_expire_timer(start,execmsgthreshold);
ret=E_BUG;
switch ((unsigned char)a->type){
case DROP_T:
script_trace("core", "drop", msg, a->line) ;
action_flags |= ACT_FL_DROP;
case EXIT_T:
script_trace("core", "exit", msg, a->line) ;
ret=0;
action_flags |= ACT_FL_EXIT;
break;
case RETURN_T:
script_trace("core", "return", msg, a->line) ;
if (a->elem[0].type == SCRIPTVAR_ST)
{
spec = (pv_spec_t*)a->elem[0].u.data;
if(pv_get_spec_value(msg, spec, &val)!=0
|| (val.flags&PV_VAL_NULL))
{
ret=-1;
} else {
if(!(val.flags&PV_VAL_INT))
ret = 1;
else
ret = val.ri;
}
pv_value_destroy(&val);
} else {
ret=a->elem[0].u.number;
}
action_flags |= ACT_FL_RETURN;
break;
case FORWARD_T:
script_trace("core", "forward", msg, a->line) ;
if (a->elem[0].type==NOSUBTYPE){
/* parse uri and build a proxy */
if (msg->dst_uri.len) {
ret = parse_uri(msg->dst_uri.s, msg->dst_uri.len,
&next_hop);
u = &next_hop;
} else {
ret = parse_sip_msg_uri(msg);
u = &msg->parsed_uri;
}
if (ret<0) {
LM_ERR("forward: bad_uri dropping packet\n");
break;
}
/* create a temporary proxy*/
p=mk_proxy(u->maddr_val.len?&u->maddr_val:&u->host,
u->port_no, u->proto, (u->type==SIPS_URI_T)?1:0 );
if (p==0){
LM_ERR("bad host name in uri, dropping packet\n");
ret=E_BAD_ADDRESS;
goto error_fwd_uri;
}
ret=forward_request(msg, p);
free_proxy(p); /* frees only p content, not p itself */
pkg_free(p);
if (ret==0) ret=1;
}else if ((a->elem[0].type==PROXY_ST)) {
ret=forward_request(msg,(struct proxy_l*)a->elem[0].u.data);
if (ret==0) ret=1;
}else{
LM_ALERT("BUG in forward() types %d, %d\n",
a->elem[0].type, a->elem[1].type);
ret=E_BUG;
}
break;
case SEND_T:
script_trace("core", "send", msg, a->line) ;
if (a->elem[0].type!= PROXY_ST){
LM_ALERT("BUG in send() type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
if (a->elem[1].u.data) {
if (a->elem[1].type != SCRIPTVAR_ELEM_ST){
LM_ALERT("BUG in send() header type %d\n",a->elem[1].type);
ret=E_BUG;
break;
} else {
pve = (pv_elem_t *)a->elem[1].u.data;
}
} else {
pve = NULL;
}
to=(union sockaddr_union*)
pkg_malloc(sizeof(union sockaddr_union));
if (to==0){
LM_ERR("memory allocation failure\n");
ret=E_OUT_OF_MEM;
break;
}
p=(struct proxy_l*)a->elem[0].u.data;
ret=hostent2su(to, &p->host, p->addr_idx,
(p->port)?p->port:SIP_PORT );
if (ret==0){
if (pve) {
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_UNSPEC;
break;
}
/* build new msg */
tmp = pkg_malloc(msg->len + name_s.len);
if (!tmp) {
LM_ERR("memory allocation failure\n");
ret = E_OUT_OF_MEM;
break;
}
LM_DBG("searching for first line %d\n",
msg->first_line.len);
/* search first line of previous msg */
/* copy headers */
len = msg->first_line.len;
memcpy(tmp, msg->buf, len);
memcpy(tmp + len, name_s.s, name_s.len);
memcpy(tmp + len + name_s.len,
msg->buf + len, msg->len - len);
ret = msg_send(0/*send_sock*/, p->proto, to, 0/*id*/,
tmp, msg->len + name_s.len);
pkg_free(tmp);
} else {
ret = msg_send(0/*send_sock*/, p->proto, to, 0/*id*/,
msg->buf, msg->len);
}
if (ret!=0 && p->host.h_addr_list[p->addr_idx+1])
p->addr_idx++;
}
pkg_free(to);
if (ret==0)
ret=1;
break;
case LOG_T:
script_trace("core", "log", msg, a->line) ;
if ((a->elem[0].type!=NUMBER_ST)|(a->elem[1].type!=STRING_ST)){
LM_ALERT("BUG in log() types %d, %d\n",
a->elem[0].type, a->elem[1].type);
ret=E_BUG;
break;
}
LM_GEN1(a->elem[0].u.number, "%s", a->elem[1].u.string);
ret=1;
break;
case APPEND_BRANCH_T:
script_trace("core", "append_branch", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in append_branch %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if (a->elem[0].u.s.s==NULL) {
ret = append_branch(msg, 0, &msg->dst_uri, &msg->path_vec,
get_ruri_q(), getb0flags(), msg->force_send_socket);
/* reset all branch info */
msg->force_send_socket = 0;
setb0flags(0);
set_ruri_q(Q_UNSPECIFIED);
if(msg->dst_uri.s!=0)
pkg_free(msg->dst_uri.s);
msg->dst_uri.s = 0;
msg->dst_uri.len = 0;
if(msg->path_vec.s!=0)
pkg_free(msg->path_vec.s);
msg->path_vec.s = 0;
msg->path_vec.len = 0;
} else {
ret = append_branch(msg, &a->elem[0].u.s, &msg->dst_uri,
&msg->path_vec, a->elem[1].u.number, getb0flags(),
msg->force_send_socket);
}
break;
case REMOVE_BRANCH_T:
script_trace("core", "remove_branch", msg, a->line) ;
if (a->elem[0].type == SCRIPTVAR_ST) {
spec = (pv_spec_t*)a->elem[0].u.data;
if( pv_get_spec_value(msg, spec, &val)!=0
|| (val.flags&PV_VAL_NULL) || !(val.flags&PV_VAL_INT) ) {
ret=-1;
break;
}
i = val.ri;
} else {
i=a->elem[0].u.number;
}
ret = (remove_branch((unsigned int)i)==0)?1:-1;
break;
case LEN_GT_T:
script_trace("core", "len_gt", msg, a->line) ;
if (a->elem[0].type!=NUMBER_ST) {
LM_ALERT("BUG in len_gt type %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
ret = (msg->len >= (unsigned int)a->elem[0].u.number) ? 1 : -1;
break;
case SET_DEBUG_T:
script_trace("core", "set_debug", msg, a->line) ;
if (a->elem[0].type==NUMBER_ST)
set_proc_debug_level(a->elem[0].u.number);
else
reset_proc_debug_level();
ret = 1;
break;
case SETFLAG_T:
script_trace("core", "setflag", msg, a->line) ;
ret = setflag( msg, a->elem[0].u.number );
break;
case RESETFLAG_T:
script_trace("core", "resetflag", msg, a->line) ;
ret = resetflag( msg, a->elem[0].u.number );
break;
case ISFLAGSET_T:
script_trace("core", "isflagset", msg, a->line) ;
ret = isflagset( msg, a->elem[0].u.number );
break;
case SETSFLAG_T:
script_trace("core", "setsflag", msg, a->line) ;
ret = setsflag( a->elem[0].u.number );
break;
case RESETSFLAG_T:
script_trace("core", "resetsflag", msg, a->line) ;
ret = resetsflag( a->elem[0].u.number );
break;
case ISSFLAGSET_T:
script_trace("core", "issflagset", msg, a->line) ;
ret = issflagset( a->elem[0].u.number );
break;
case SETBFLAG_T:
script_trace("core", "setbflag", msg, a->line) ;
ret = setbflag( a->elem[0].u.number, a->elem[1].u.number );
break;
case RESETBFLAG_T:
script_trace("core", "resetbflag", msg, a->line) ;
ret = resetbflag( a->elem[0].u.number, a->elem[1].u.number );
break;
case ISBFLAGSET_T:
script_trace("core", "isbflagset", msg, a->line) ;
ret = isbflagset( a->elem[0].u.number, a->elem[1].u.number );
break;
case ERROR_T:
script_trace("core", "error", msg, a->line) ;
if ((a->elem[0].type!=STRING_ST)|(a->elem[1].type!=STRING_ST)){
LM_ALERT("BUG in error() types %d, %d\n",
a->elem[0].type, a->elem[1].type);
ret=E_BUG;
break;
}
LM_ERR("error(\"%s\", \"%s\") not implemented yet\n",
a->elem[0].u.string, a->elem[1].u.string);
ret=1;
break;
case ROUTE_T:
script_trace("route", rlist[a->elem[0].u.number].name, msg, a->line) ;
if (a->elem[0].type!=NUMBER_ST){
LM_ALERT("BUG in route() type %d\n",
a->elem[0].type);
ret=E_BUG;
break;
}
if ((a->elem[0].u.number>RT_NO)||(a->elem[0].u.number<0)){
LM_ALERT("BUG - invalid routing table number in"
"route(%lu)\n", a->elem[0].u.number);
ret=E_CFG;
break;
}
/* check if the route has parameters */
if (a->elem[1].type != 0) {
if (a->elem[1].type != NUMBER_ST || a->elem[2].type != SCRIPTVAR_ELEM_ST) {
LM_ALERT("BUG in route() type %d/%d\n",
a->elem[1].type, a->elem[2].type);
ret=E_BUG;
break;
}
route_params_bak = route_params;
route_params = (action_elem_t *)a->elem[2].u.data;
route_params_number_bak = route_params_number;
route_params_number = a->elem[1].u.number;
return_code=run_actions(rlist[a->elem[0].u.number].a, msg);
route_params = route_params_bak;
route_params_number = route_params_number_bak;
} else {
return_code=run_actions(rlist[a->elem[0].u.number].a, msg);
}
ret=return_code;
break;
case REVERT_URI_T:
script_trace("core", "revert_uri", msg, a->line) ;
if (msg->new_uri.s) {
pkg_free(msg->new_uri.s);
msg->new_uri.len=0;
msg->new_uri.s=0;
msg->parsed_uri_ok=0; /* invalidate current parsed uri*/
};
ret=1;
break;
case SET_HOST_T:
case SET_HOSTPORT_T:
case SET_USER_T:
case SET_USERPASS_T:
case SET_PORT_T:
case SET_URI_T:
case PREFIX_T:
case STRIP_T:
case STRIP_TAIL_T:
script_trace("core",
(unsigned char)a->type == SET_HOST_T ? "set_host" :
(unsigned char)a->type == SET_HOSTPORT_T ? "set_hostport" :
(unsigned char)a->type == SET_USER_T ? "set_user" :
(unsigned char)a->type == SET_USERPASS_T ? "set_userpass" :
(unsigned char)a->type == SET_PORT_T ? "set_port" :
(unsigned char)a->type == SET_URI_T ? "set_uri" :
(unsigned char)a->type == PREFIX_T ? "prefix" :
(unsigned char)a->type == STRIP_T ? "strip" : "strip_tail",
msg, a->line);
user=0;
if (a->type==STRIP_T || a->type==STRIP_TAIL_T) {
if (a->elem[0].type!=NUMBER_ST) {
LM_ALERT("BUG in set*() type %d\n",
a->elem[0].type);
break;
}
} else if (a->elem[0].type!=STR_ST){
LM_ALERT("BUG in set*() type %d\n",
a->elem[0].type);
ret=E_BUG;
break;
}
if (a->type==SET_URI_T) {
if (set_ruri( msg, &a->elem[0].u.s) ) {
LM_ERR("failed to set new RURI\n");
ret=E_OUT_OF_MEM;
break;
}
ret=1;
break;
}
if (msg->new_uri.s) {
tmp=msg->new_uri.s;
len=msg->new_uri.len;
}else{
tmp=msg->first_line.u.request.uri.s;
len=msg->first_line.u.request.uri.len;
}
if (parse_uri(tmp, len, &uri)<0){
LM_ERR("bad uri <%.*s>, dropping packet\n", len, tmp);
ret=E_UNSPEC;
break;
}
new_uri=pkg_malloc(MAX_URI_SIZE);
if (new_uri==0){
LM_ERR("memory allocation failure\n");
ret=E_OUT_OF_MEM;
break;
}
end=new_uri+MAX_URI_SIZE;
crt=new_uri;
/* begin copying */
len = (uri.user.len?uri.user.s:uri.host.s) - tmp;
if (crt+len>end) goto error_uri;
memcpy(crt,tmp,len);crt+=len;
if (a->type==PREFIX_T) {
if (crt+a->elem[0].u.s.len>end) goto error_uri;
memcpy( crt, a->elem[0].u.s.s, a->elem[0].u.s.len);
crt+=a->elem[0].u.s.len;
/* whatever we had before, with prefix we have username
now */
user=1;
}
if ((a->type==SET_USER_T)||(a->type==SET_USERPASS_T)) {
tmp=a->elem[0].u.s.s;
len=a->elem[0].u.s.len;
} else if (a->type==STRIP_T) {
if (a->elem[0].u.number>uri.user.len) {
LM_WARN("too long strip asked; "
" deleting username: %lu of <%.*s>\n",
a->elem[0].u.number, uri.user.len, uri.user.s);
len=0;
} else if (a->elem[0].u.number==uri.user.len) {
len=0;
} else {
tmp=uri.user.s + a->elem[0].u.number;
len=uri.user.len - a->elem[0].u.number;
}
} else if (a->type==STRIP_TAIL_T) {
if (a->elem[0].u.number>uri.user.len) {
LM_WARN("too long strip_tail asked;"
" deleting username: %lu of <%.*s>\n",
a->elem[0].u.number, uri.user.len, uri.user.s);
len=0;
} else if (a->elem[0].u.number==uri.user.len) {
len=0;
} else {
tmp=uri.user.s;
len=uri.user.len - a->elem[0].u.number;
}
} else {
tmp=uri.user.s;
len=uri.user.len;
}
if (len){
if(crt+len>end) goto error_uri;
memcpy(crt,tmp,len);crt+=len;
user=1; /* we have an user field so mark it */
}
if (a->type==SET_USERPASS_T) tmp=0;
else tmp=uri.passwd.s;
/* passwd */
if (tmp){
len=uri.passwd.len; if(crt+len+1>end) goto error_uri;
*crt=':'; crt++;
memcpy(crt,tmp,len);crt+=len;
}
/* host */
if (user || tmp){ /* add @ */
if(crt+1>end) goto error_uri;
*crt='@'; crt++;
}
if ((a->type==SET_HOST_T) ||(a->type==SET_HOSTPORT_T)) {
tmp=a->elem[0].u.s.s;
len=a->elem[0].u.s.len;
} else {
tmp=uri.host.s;
len = uri.host.len;
}
if (tmp){
if(crt+len>end) goto error_uri;
memcpy(crt,tmp,len);crt+=len;
}
/* port */
if (a->type==SET_HOSTPORT_T) tmp=0;
else if (a->type==SET_PORT_T) {
tmp=a->elem[0].u.s.s;
len=a->elem[0].u.s.len;
} else {
tmp=uri.port.s;
len = uri.port.len;
}
if (tmp && len>0){
if(crt+len+1>end) goto error_uri;
*crt=':'; crt++;
memcpy(crt,tmp,len);crt+=len;
}
/* params */
tmp=uri.params.s;
if (tmp){
/* include in param string the starting ';' */
len=uri.params.len+1;
tmp--;
if(crt+len+1>end) goto error_uri;
/* if a maddr param is present, strip it out */
if (uri.maddr.len &&
(a->type==SET_HOSTPORT_T || a->type==SET_HOST_T)) {
memcpy(crt,tmp,uri.maddr.s-tmp-1);
crt+=uri.maddr.s-tmp-1;
memcpy(crt,uri.maddr_val.s+uri.maddr_val.len,
tmp+len-uri.maddr_val.s-uri.maddr_val.len);
crt+=tmp+len-uri.maddr_val.s-uri.maddr_val.len;
} else {
memcpy(crt,tmp,len);crt+=len;
}
}
/* headers */
tmp=uri.headers.s;
if (tmp){
len=uri.headers.len; if(crt+len+1>end) goto error_uri;
*crt='?'; crt++;
memcpy(crt,tmp,len);crt+=len;
}
*crt=0; /* null terminate the thing */
/* copy it to the msg */
if (msg->new_uri.s) pkg_free(msg->new_uri.s);
msg->new_uri.s=new_uri;
msg->new_uri.len=crt-new_uri;
msg->parsed_uri_ok=0;
ret=1;
break;
case SET_DSTURI_T:
script_trace("core", "set_dsturi", msg, a->line) ;
if (a->elem[0].type!=STR_ST){
LM_ALERT("BUG in setdsturi() type %d\n",
a->elem[0].type);
ret=E_BUG;
break;
}
if(set_dst_uri(msg, &a->elem[0].u.s)!=0)
ret = -1;
else
ret = 1;
break;
case SET_DSTHOST_T:
case SET_DSTPORT_T:
script_trace("core", (unsigned char) a->type == SET_DSTHOST_T ?
"set_dsturi" : "set_dstport", msg, a->line);
if (a->elem[0].type!=STR_ST){
LM_ALERT("BUG in domain setting type %d\n",
a->elem[0].type);
ret=E_BUG;
break;
}
tmp = msg->dst_uri.s;
len = msg->dst_uri.len;
if (tmp == NULL || len == 0) {
LM_ERR("failure - null uri\n");
ret = E_UNSPEC;
break;
}
if (a->type == SET_DSTHOST_T &&
(a->elem[0].u.s.s == NULL || a->elem[0].u.s.len == 0)) {
LM_ERR("cannot set a null uri domain\n");
break;
}
if (parse_uri(tmp, len, &uri)<0) {
LM_ERR("bad uri <%.*s>, dropping packet\n", len, tmp);
break;
}
new_uri=pkg_malloc(MAX_URI_SIZE);
if (new_uri == NULL) {
LM_ERR("memory allocation failure\n");
ret=E_OUT_OF_MEM;
break;
}
end=new_uri+MAX_URI_SIZE;
crt=new_uri;
len = (uri.user.len?uri.user.s:uri.host.s) - tmp;
if (crt+len>end) goto error_uri;
memcpy(crt,tmp,len);
crt += len;
/* user */
tmp = uri.user.s;
len = uri.user.len;
if (tmp) {
if (crt+len>end) goto error_uri;
memcpy(crt,tmp,len);
crt += len;
user = 1;
}
/* passwd */
tmp = uri.passwd.s;
len = uri.passwd.len;
if (user || tmp) {
if (crt+len+1>end) goto error_uri;
*crt++=':';
memcpy(crt, tmp, len);
crt += len;
}
/* host */
if (a->type==SET_DSTHOST_T) {
tmp = a->elem[0].u.s.s;
len = a->elem[0].u.s.len;
} else {
tmp = uri.host.s;
len = uri.host.len;
}
if (tmp) {
if (user) {
if (crt+1>end) goto error_uri;
*crt++='@';
}
if (crt+len+1>end) goto error_uri;
memcpy(crt, tmp, len);
crt += len;
}
/* port */
if (a->type==SET_DSTPORT_T) {
tmp = a->elem[0].u.s.s;
len = a->elem[0].u.s.len;
} else {
tmp = uri.port.s;
len = uri.port.len;
}
if (tmp) {
if (crt+len+1>end) goto error_uri;
*crt++=':';
memcpy(crt, tmp, len);
crt += len;
}
/* params */
tmp=uri.params.s;
if (tmp){
len=uri.params.len; if(crt+len+1>end) goto error_uri;
*crt++=';';
memcpy(crt,tmp,len);
crt += len;
}
/* headers */
tmp=uri.headers.s;
if (tmp){
len=uri.headers.len; if(crt+len+1>end) goto error_uri;
*crt++='?';
memcpy(crt,tmp,len);
crt += len;
}
*crt=0; /* null terminate the thing */
/* copy it to the msg */
pkg_free(msg->dst_uri.s);
msg->dst_uri.s=new_uri;
msg->dst_uri.len=crt-new_uri;
ret = 1;
break;
case RESET_DSTURI_T:
script_trace("core", "reset_dsturi", msg, a->line) ;
if(msg->dst_uri.s!=0)
pkg_free(msg->dst_uri.s);
msg->dst_uri.s = 0;
msg->dst_uri.len = 0;
ret = 1;
break;
case ISDSTURISET_T:
script_trace("core", "isdsturiset", msg, a->line) ;
if(msg->dst_uri.s==0 || msg->dst_uri.len<=0)
ret = -1;
else
ret = 1;
break;
case IF_T:
script_trace("core", "if", msg, a->line) ;
/* if null expr => ignore if? */
if ((a->elem[0].type==EXPR_ST)&&a->elem[0].u.data){
v=eval_expr((struct expr*)a->elem[0].u.data, msg, 0);
/* set return code to expr value */
if (v<0 || (action_flags&ACT_FL_RETURN)
|| (action_flags&ACT_FL_EXIT) ){
if (v==EXPR_DROP || (action_flags&ACT_FL_RETURN)
|| (action_flags&ACT_FL_EXIT) ){ /* hack to quit on DROP*/
ret=0;
return_code = 0;
break;
}else{
LM_WARN("error in expression (l=%d)\n", a->line);
}
}
ret=1; /*default is continue */
if (v>0) {
if ((a->elem[1].type==ACTIONS_ST)&&a->elem[1].u.data){
ret=run_action_list(
(struct action*)a->elem[1].u.data,msg );
return_code = ret;
} else return_code = v;
}else{
if ((a->elem[2].type==ACTIONS_ST)&&a->elem[2].u.data){
ret=run_action_list(
(struct action*)a->elem[2].u.data,msg);
return_code = ret;
} else return_code = v;
}
}
break;
case WHILE_T:
script_trace("core", "while", msg, a->line) ;
/* if null expr => ignore if? */
if ((a->elem[0].type==EXPR_ST)&&a->elem[0].u.data){
len = 0;
while(1)
{
if(len++ >= max_while_loops)
{
LM_INFO("max while loops are encountered\n");
break;
}
v=eval_expr((struct expr*)a->elem[0].u.data, msg, 0);
/* set return code to expr value */
if (v<0 || (action_flags&ACT_FL_RETURN)
|| (action_flags&ACT_FL_EXIT) ){
if (v==EXPR_DROP || (action_flags&ACT_FL_RETURN)
|| (action_flags&ACT_FL_EXIT) ){
ret=0;
return_code = 0;
break;
}else{
LM_WARN("error in expression (l=%d)\n",
a->line);
}
}
ret=1; /*default is continue */
if (v>0) {
if ((a->elem[1].type==ACTIONS_ST)
&&a->elem[1].u.data){
ret=run_action_list(
(struct action*)a->elem[1].u.data,msg );
/* check if return was done */
if ((action_flags&ACT_FL_RETURN)
|| (action_flags&ACT_FL_EXIT) ){
break;
}
return_code = ret;
} else {
/* we should not get here */
return_code = v;
break;
}
} else {
/* condition was false */
return_code = v;
break;
}
}
}
break;
case CACHE_STORE_T:
script_trace("core", "cache_store", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_store() - first argument not of"
" type string [%d]\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_store() - second argument not of "
"type string [%d]\n", a->elem[1].type );
ret=E_BUG;
break;
}
if ((a->elem[2].type!=STR_ST)) {
LM_ALERT("BUG in cache_store() - third argument not of type"
" string%d\n", a->elem[2].type );
ret=E_BUG;
break;
}
str val_s;
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
/* parse the value argument */
pve = (pv_elem_t *)a->elem[2].u.data;
if ( pv_printf_s(msg, pve, &val_s)!=0 ||
val_s.len == 0 || val_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
/* get the expires value */
if ( a->elem[3].type == SCRIPTVAR_ST )
{
spec = (pv_spec_t*)a->elem[3].u.data;
memset(&val, 0, sizeof(pv_value_t));
if(pv_get_spec_value(msg, spec, &val) < 0)
{
LM_DBG("Failed to get scriptvar value while executing cache_store\n");
ret=E_BUG;
break;
}
if (!(val.flags&PV_VAL_INT))
{
LM_ERR("Wrong value for cache_store expires, not an integer [%.*s]\n",
val.rs.len, val.rs.s);
}
expires = val.ri;
}
else
if ( a->elem[3].type == NUMBER_ST )
{
expires = (int)a->elem[3].u.number;
}
ret = cachedb_store( &a->elem[0].u.s, &name_s, &val_s,expires);
break;
case CACHE_REMOVE_T:
script_trace("core", "cache_remove", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_remove() %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_remove() %d\n",
a->elem[1].type );
ret=E_BUG;
break;
}
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
ret = cachedb_remove( &a->elem[0].u.s, &name_s);
break;
case CACHE_FETCH_T:
script_trace("core", "cache_fetch", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[1].type );
ret=E_BUG;
break;
}
if (a->elem[2].type!=SCRIPTVAR_ST){
LM_ALERT("BUG in cache_fetch() type %d\n",
a->elem[2].type);
ret=E_BUG;
break;
}
str aux = {0, 0};
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
ret = cachedb_fetch( &a->elem[0].u.s, &name_s, &aux);
if(ret > 0)
{
val.rs = aux;
val.flags = PV_VAL_STR;
spec = (pv_spec_t*)a->elem[2].u.data;
if (pv_set_value(msg, spec, 0, &val) < 0) {
LM_ERR("cannot set the variable value\n");
pkg_free(aux.s);
return -1;
}
pkg_free(aux.s);
}
break;
case CACHE_COUNTER_FETCH_T:
script_trace("core", "cache_counter_fetch", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[1].type );
ret=E_BUG;
break;
}
if (a->elem[2].type!=SCRIPTVAR_ST){
LM_ALERT("BUG in cache_fetch() type %d\n",
a->elem[2].type);
ret=E_BUG;
break;
}
int aux_counter;
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
ret = cachedb_counter_fetch( &a->elem[0].u.s, &name_s, &aux_counter);
if(ret > 0)
{
val.ri = aux_counter;
val.flags = PV_TYPE_INT|PV_VAL_INT;
spec = (pv_spec_t*)a->elem[2].u.data;
if (pv_set_value(msg, spec, 0, &val) < 0) {
LM_ERR("cannot set the variable value\n");
pkg_free(aux.s);
return -1;
}
}
break;
case CACHE_ADD_T:
script_trace("core", "cache_add", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_add() - first argument not of"
" type string [%d]\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_add() - second argument not of "
"type string [%d]\n", a->elem[1].type );
ret=E_BUG;
break;
}
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
int increment=0;
/* get the increment value */
if ( a->elem[2].type == SCRIPTVAR_ST )
{
spec = (pv_spec_t*)a->elem[2].u.data;
memset(&val, 0, sizeof(pv_value_t));
if(pv_get_spec_value(msg, spec, &val) < 0)
{
LM_DBG("Failed to get scriptvar value while executing cache_add\n");
ret=E_BUG;
break;
}
if (!(val.flags&PV_VAL_INT))
{
LM_ERR("Wrong value for cache_add, not an integer [%.*s]\n",
val.rs.len, val.rs.s);
}
increment = val.ri;
}
else if ( a->elem[2].type == NUMBER_ST )
{
increment = (int)a->elem[2].u.number;
}
expires = (int)a->elem[3].u.number;
/* TODO - return the new value to script ? */
ret = cachedb_add(&a->elem[0].u.s, &name_s, increment,expires,NULL);
break;
case CACHE_SUB_T:
script_trace("core", "cache_sub", msg, a->line) ;
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_sub() - first argument not of"
" type string [%d]\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_sub() - second argument not of "
"type string [%d]\n", a->elem[1].type );
ret=E_BUG;
break;
}
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
int decrement=0;
/* get the increment value */
if ( a->elem[2].type == SCRIPTVAR_ST )
{
spec = (pv_spec_t*)a->elem[2].u.data;
memset(&val, 0, sizeof(pv_value_t));
if(pv_get_spec_value(msg, spec, &val) < 0)
{
LM_DBG("Failed to get scriptvar value while executing cache_sub\n");
ret=E_BUG;
break;
}
if (!(val.flags&PV_VAL_INT))
{
LM_ERR("Wrong value for cache_sub, not an integer [%.*s]\n",
val.rs.len, val.rs.s);
}
decrement = val.ri;
}
else if ( a->elem[2].type == NUMBER_ST )
{
decrement = (int)a->elem[2].u.number;
}
expires = (int)a->elem[3].u.number;
/* TODO - return new value to script ? */
ret = cachedb_sub(&a->elem[0].u.s, &name_s, decrement,expires,NULL);
break;
case CACHE_RAW_QUERY_T:
if ((a->elem[0].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[0].type );
ret=E_BUG;
break;
}
if ((a->elem[1].type!=STR_ST)) {
LM_ALERT("BUG in cache_fetch() %d\n",
a->elem[1].type );
ret=E_BUG;
break;
}
if (a->elem[2].u.data != NULL &&
a->elem[2].type!=STR_ST){
LM_ALERT("BUG in cache_raw_query() type %d\n",
a->elem[2].type);
ret=E_BUG;
break;
}
/* parse the name argument */
pve = (pv_elem_t *)a->elem[1].u.data;
if ( pv_printf_s(msg, pve, &name_s)!=0 ||
name_s.len == 0 || name_s.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
cdb_raw_entry **cdb_reply;
int val_number=0,i,j;
int key_number=0;
pvname_list_t *cdb_res,*it;
int_str avp_val;
int_str avp_name;
unsigned short avp_type;
if (a->elem[2].u.data) {
cdb_res = (pvname_list_t*)a->elem[2].u.data;
for (it=cdb_res;it;it=it->next)
val_number++;
LM_DBG("The query expects %d results back\n",val_number);
ret = cachedb_raw_query( &a->elem[0].u.s, &name_s, &cdb_reply,val_number,&key_number);
if (ret >= 0 && val_number > 0) {
for (i=key_number-1; i>=0;i--) {
it=cdb_res;
for (j=0;j < val_number;j++) {
avp_type = 0;
if (pv_get_avp_name(msg,&it->sname.pvp,&avp_name.n,
&avp_type) != 0) {
LM_ERR("cannot get avp name [%d/%d]\n",i,j);
goto next_avp;
}
switch (cdb_reply[i][j].type) {
case CDB_INT:
avp_val.n = cdb_reply[i][j].val.n;
break;
case CDB_STR:
avp_type |= AVP_VAL_STR;
avp_val.s = cdb_reply[i][j].val.s;
break;
default:
LM_WARN("Unknown type %d\n",cdb_reply[i][j].type);
goto next_avp;
}
if (add_avp(avp_type,avp_name.n,avp_val) != 0) {
LM_ERR("Unable to add AVP\n");
free_raw_fetch(cdb_reply,val_number,key_number);
return -1;
}
next_avp:
if (it) {
it = it->next;
if (it==NULL);
break;
}
}
}
free_raw_fetch(cdb_reply,val_number,key_number);
}
}
else
ret = cachedb_raw_query( &a->elem[0].u.s, &name_s, NULL,0,NULL);
break;
case XDBG_T:
script_trace("core", "xdbg", msg, a->line) ;
if (a->elem[0].type == SCRIPTVAR_ELEM_ST)
{
if (xdbg(msg, a->elem[0].u.data, val.rs.s) < 0)
{
LM_ALERT("Cannot print message");
break;
}
}
else
{
LM_ALERT("BUG in xdbg() type %d\n", a->elem[0].type);
ret=E_BUG;
}
break;
case XLOG_T:
script_trace("core", "xlog", msg, a->line) ;
if (a->elem[1].u.data != NULL)
{
if (a->elem[1].type != SCRIPTVAR_ELEM_ST)
{
LM_ALERT("BUG in xlog() type %d\n", a->elem[1].type);
ret=E_BUG;
break;
}
if (a->elem[0].type != STR_ST)
{
LM_ALERT("BUG in xlog() type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
if (xlog_2(msg,a->elem[0].u.data, a->elem[1].u.data) < 0)
{
LM_ALERT("Cannot print xlog debug message");
break;
}
}
else
{
if (a->elem[0].type != SCRIPTVAR_ELEM_ST)
{
LM_ALERT("BUG in xlog() type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
if (xlog_1(msg,a->elem[0].u.data, val.rs.s) < 0)
{
LM_ALERT("Cannot print xlog debug message");
break;
}
}
break;
case RAISE_EVENT_T:
script_trace("core", "raise_event", msg, a->line) ;
if (a->elem[0].type != NUMBER_ST) {
LM_ERR("invalid event id\n");
ret=E_BUG;
break;
}
if (a->elem[2].u.data) {
/* three parameters specified */
ret = evi_raise_script_event(msg, (event_id_t)a->elem[0].u.number,
a->elem[1].u.data, a->elem[2].u.data);
} else {
/* two parameters specified */
ret = evi_raise_script_event(msg, (event_id_t)a->elem[0].u.number,
NULL, a->elem[1].u.data);
}
if (ret <= 0) {
LM_ERR("cannot raise event\n");
ret=E_UNSPEC;
break;
}
break;
case SUBSCRIBE_EVENT_T:
script_trace("core", "subscribe_event", msg, a->line) ;
if (a->elem[0].type != STR_ST || a->elem[1].type != STR_ST) {
LM_ERR("BUG in subscribe arguments\n");
ret=E_BUG;
break;
}
if (a->elem[2].u.data) {
if (a->elem[2].type != NUMBER_ST) {
LM_ERR("BUG in subscribe expiration time\n");
ret=E_BUG;
break;
} else {
i = a->elem[2].u.number;
}
} else {
i = 0;
}
name_s.s = a->elem[0].u.data;
name_s.len = strlen(name_s.s);
/* result should be the socket */
result.s = a->elem[1].u.data;
result.len = strlen(result.s);
ret = evi_event_subscribe(name_s, result, i, 0);
break;
case CONSTRUCT_URI_T:
script_trace("core", "construct_uri", msg, a->line) ;
for (i=0;i<5;i++)
{
pve = (pv_elem_t *)a->elem[i].u.data;
if (pve->spec.getf)
{
if ( pv_printf_s(msg, pve, &vals[i])!=0 ||
vals[i].len == 0 || vals[i].s == NULL)
{
LM_WARN("cannot get string for value\n");
ret=E_BUG;
return -1;
}
}
else
vals[i] = pve->text;
}
result.s = construct_uri(&vals[0],&vals[1],&vals[2],&vals[3],&vals[4],
&result.len);
if (result.s)
{
int_str res;
int avp_name;
unsigned short avp_type;
spec = (pv_spec_t*)a->elem[5].u.data;
if (pv_get_avp_name( msg, &(spec->pvp), &avp_name,
&avp_type)!=0){
LM_CRIT("BUG in getting AVP name\n");
return -1;
}
res.s = result;
if (add_avp(AVP_VAL_STR|avp_type, avp_name, res)<0){
LM_ERR("cannot add AVP\n");
return -1;
}
}
break;
case GET_TIMESTAMP_T:
script_trace("core", "get_timestamp", msg, a->line) ;
if (get_timestamp(&sec,&usec) == 0) {
int avp_name;
int_str res;
unsigned short avp_type;
spec = (pv_spec_t*)a->elem[0].u.data;
if (pv_get_avp_name(msg, &(spec->pvp), &avp_name,
&avp_type) != 0) {
LM_CRIT("BUG in getting AVP name\n");
return -1;
}
res.n = sec;
if (add_avp(avp_type, avp_name, res) < 0) {
LM_ERR("cannot add AVP\n");
return -1;
}
spec = (pv_spec_t*)a->elem[1].u.data;
if (pv_get_avp_name(msg, &(spec->pvp), &avp_name,
&avp_type) != 0) {
LM_CRIT("BUG in getting AVP name\n");
return -1;
}
res.n = usec;
if (add_avp(avp_type, avp_name, res) < 0) {
LM_ERR("cannot add AVP\n");
return -1;
}
} else {
LM_ERR("failed to get time\n");
return -1;
}
break;
case SWITCH_T:
script_trace("core", "switch", msg, a->line) ;
if (a->elem[0].type!=SCRIPTVAR_ST){
LM_ALERT("BUG in switch() type %d\n",
a->elem[0].type);
ret=E_BUG;
break;
}
spec = (pv_spec_t*)a->elem[0].u.data;
if(pv_get_spec_value(msg, spec, &val)!=0)
{
LM_ALERT("BUG - no value in switch()\n");
ret=E_BUG;
break;
}
/* get the value of pvar */
if(a->elem[1].type!=ACTIONS_ST) {
LM_ALERT("BUG in switch() actions\n");
ret=E_BUG;
break;
}
return_code=1;
adefault = NULL;
aitem = (struct action*)a->elem[1].u.data;
cmatch=0;
while(aitem)
{
if((unsigned char)aitem->type==DEFAULT_T)
adefault=aitem;
if(cmatch==0)
{
if(aitem->elem[0].type==STR_ST)
{
if(val.flags&PV_VAL_STR
&& val.rs.len==aitem->elem[0].u.s.len
&& strncasecmp(val.rs.s, aitem->elem[0].u.s.s,
val.rs.len)==0)
cmatch = 1;
} else { /* number */
if(val.flags&PV_VAL_INT &&
val.ri==aitem->elem[0].u.number)
cmatch = 1;
}
}
if(cmatch==1)
{
if(aitem->elem[1].u.data)
{
return_code=run_action_list(
(struct action*)aitem->elem[1].u.data, msg);
if ((action_flags&ACT_FL_RETURN) ||
(action_flags&ACT_FL_EXIT))
break;
}
if(aitem->elem[2].u.number==1)
break;
}
aitem = aitem->next;
}
if((cmatch==0) && (adefault!=NULL))
{
LM_DBG("switch: running default statement\n");
if(adefault->elem[0].u.data)
return_code=run_action_list(
(struct action*)adefault->elem[0].u.data, msg);
}
ret=return_code;
break;
case MODULE_T:
script_trace("module", ((cmd_export_t*)(a->elem[0].u.data))->name,
msg, a->line) ;
if ( (a->elem[0].type==CMD_ST) && a->elem[0].u.data ) {
ret=((cmd_export_t*)(a->elem[0].u.data))->function(msg,
(char*)a->elem[1].u.data, (char*)a->elem[2].u.data,
(char*)a->elem[3].u.data, (char*)a->elem[4].u.data,
(char*)a->elem[5].u.data, (char*)a->elem[6].u.data);
}else{
LM_ALERT("BUG in module call\n");
}
break;
case FORCE_RPORT_T:
script_trace("core", "force_rport", msg, a->line) ;
msg->msg_flags|=FL_FORCE_RPORT;
ret=1; /* continue processing */
break;
case FORCE_LOCAL_RPORT_T:
script_trace("core", "force_local_rport", msg, a->line) ;
msg->msg_flags|=FL_FORCE_LOCAL_RPORT;
ret=1; /* continue processing */
break;
case SET_ADV_ADDR_T:
script_trace("core", "set_adv_addr", msg, a->line) ;
if (a->elem[0].type!=STR_ST){
LM_ALERT("BUG in set_advertised_address() "
"type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
str adv_addr;
pve = (pv_elem_t *)a->elem[0].u.data;
if ( pv_printf_s(msg, pve, &adv_addr)!=0 ||
adv_addr.len == 0 || adv_addr.s == NULL) {
LM_WARN("cannot get string for value\n");
ret=E_BUG;
break;
}
LM_DBG("adv address = [%.*s]\n",adv_addr.len,adv_addr.s);
msg->set_global_address=adv_addr;
ret=1; /* continue processing */
break;
case SET_ADV_PORT_T:
script_trace("core", "set_adv_port", msg, a->line) ;
if (a->elem[0].type!=STR_ST){
LM_ALERT("BUG in set_advertised_port() "
"type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
msg->set_global_port=*((str*)a->elem[0].u.data);
ret=1; /* continue processing */
break;
#ifdef USE_TCP
case FORCE_TCP_ALIAS_T:
script_trace("core", "force_tcp_alias", msg, a->line) ;
if ( msg->rcv.proto==PROTO_TCP
#ifdef USE_TLS
|| msg->rcv.proto==PROTO_TLS
#endif
){
if (a->elem[0].type==NOSUBTYPE) port=msg->via1->port;
else if (a->elem[0].type==NUMBER_ST)
port=(int)a->elem[0].u.number;
else{
LM_ALERT("BUG in force_tcp_alias"
" port type %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
if (tcpconn_add_alias(msg->rcv.proto_reserved1, port,
msg->rcv.proto)!=0){
LM_ERR("tcp alias failed\n");
ret=E_UNSPEC;
break;
}
}
#endif
ret=1; /* continue processing */
break;
case FORCE_SEND_SOCKET_T:
script_trace("core", "force_send_socket", msg, a->line) ;
if (a->elem[0].type!=SOCKETINFO_ST){
LM_ALERT("BUG in force_send_socket argument"
" type: %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
msg->force_send_socket=(struct socket_info*)a->elem[0].u.data;
ret=1; /* continue processing */
break;
case SERIALIZE_BRANCHES_T:
script_trace("core", "serialize_branches", msg, a->line) ;
if (a->elem[0].type!=NUMBER_ST){
LM_ALERT("BUG in serialize_branches argument"
" type: %d\n", a->elem[0].type);
ret=E_BUG;
break;
}
if (serialize_branches(msg,(int)a->elem[0].u.number)!=0) {
LM_ERR("serialize_branches failed\n");
ret=E_UNSPEC;
break;
}
ret=1; /* continue processing */
break;
case NEXT_BRANCHES_T:
script_trace("core", "next_branches", msg, a->line) ;
if ((ret=next_branches(msg))<0) {
LM_ERR("next_branches failed\n");
ret=E_UNSPEC;
break;
}
/* continue processing */
break;
case EQ_T:
case COLONEQ_T:
case PLUSEQ_T:
case MINUSEQ_T:
case DIVEQ_T:
case MULTEQ_T:
case MODULOEQ_T:
case BANDEQ_T:
case BOREQ_T:
case BXOREQ_T:
ret = do_assign(msg, a);
break;
case USE_BLACKLIST_T:
script_trace("core", "use_blacklist", msg, a->line) ;
mark_for_search((struct bl_head*)a->elem[0].u.data, 1);
break;
case UNUSE_BLACKLIST_T:
script_trace("core", "unuse_blacklist", msg, a->line);
mark_for_search((struct bl_head*)a->elem[0].u.data, 0);
break;
case PV_PRINTF_T:
script_trace("core", "pv_printf", msg, a->line);
ret = -1;
spec = (pv_spec_p)a->elem[0].u.data;
if(!pv_is_w(spec))
{
LM_ERR("read only PV in first parameter of pv_printf\n");
goto error;
}
model = (pv_elem_p)a->elem[1].u.data;
memset(&val, 0, sizeof(pv_value_t));
if(pv_printf_s(msg, model, &val.rs)!=0)
{
LM_ERR("cannot eval second parameter\n");
goto error;
}
val.flags = PV_VAL_STR;
if(pv_set_value(msg, spec, EQ_T, &val)<0)
{
LM_ERR("setting PV failed\n");
goto error;
}
ret = 1;
break;
case SCRIPT_TRACE_T:
script_trace("core", "script_trace", msg, a->line);
if (a->elem[0].type==NOSUBTYPE) {
use_script_trace = 0;
} else {
use_script_trace = 1;
if (a->elem[0].type != NUMBER_ST ||
a->elem[1].type != SCRIPTVAR_ELEM_ST) {
LM_ERR("BUG in use_script_trace() arguments\n");
ret=E_BUG;
break;
}
if (a->elem[2].type!=NOSUBTYPE) {
script_trace_info = (char *)a->elem[2].u.data;
} else {
script_trace_info = NULL;
}
script_trace_log_level = (int)a->elem[0].u.number;
script_trace_elem = *(pv_elem_p)a->elem[1].u.data;
}
break;
default:
LM_ALERT("BUG - unknown type %d\n", a->type);
goto error;
}
if((unsigned char)a->type!=IF_T && (unsigned char)a->type!=ROUTE_T)
return_code = ret;
/*skip:*/
update_longest_action();
return ret;
error:
LM_ERR("error at line: %d\n", a->line);
update_longest_action();
return ret;
error_uri:
LM_ERR("set*: uri too long\n");
if (new_uri) pkg_free(new_uri);
update_longest_action();
return E_UNSPEC;
error_fwd_uri:
update_longest_action();
return ret;
}
/*! \brief
* Lookup contact in the database and rewrite Request-URI
* \return: -1 : not found
* -2 : found but method not allowed
* -3 : error
*/
int lookup(struct sip_msg* _m, char* _t, char* _f, char* _s)
{
unsigned int flags;
urecord_t* r;
str aor, uri;
ucontact_t* ptr,*it;
int res;
int ret;
str path_dst;
str flags_s;
char* ua = NULL;
char* re_end = NULL;
int re_len = 0;
char tmp;
regex_t ua_re;
int regexp_flags = 0;
regmatch_t ua_match;
pv_value_t val;
int_str istr;
str sip_instance = {0,0},call_id = {0,0};
/* branch index */
int idx;
/* temporary branch values*/
int tlen;
char *turi;
qvalue_t tq;
flags = 0;
if (_f && _f[0]!=0) {
if (fixup_get_svalue( _m, (gparam_p)_f, &flags_s)!=0) {
LM_ERR("invalid owner uri parameter");
return -1;
}
for( res=0 ; res< flags_s.len ; res++ ) {
switch (flags_s.s[res]) {
case 'm': flags |= REG_LOOKUP_METHODFILTER_FLAG; break;
case 'b': flags |= REG_LOOKUP_NOBRANCH_FLAG; break;
case 'r': flags |= REG_BRANCH_AOR_LOOKUP_FLAG; break;
case 'u':
if (flags_s.s[res+1] != '/') {
LM_ERR("no regexp after 'u' flag");
break;
}
res++;
if ((re_end = strrchr(flags_s.s+res+1, '/')) == NULL) {
LM_ERR("no regexp after 'u' flag");
break;
}
res++;
re_len = re_end-flags_s.s-res;
if (re_len == 0) {
LM_ERR("empty regexp");
break;
}
ua = flags_s.s+res;
flags |= REG_LOOKUP_UAFILTER_FLAG;
LM_DBG("found regexp /%.*s/", re_len, ua);
res += re_len;
break;
case 'i': regexp_flags |= REG_ICASE; break;
case 'e': regexp_flags |= REG_EXTENDED; break;
default: LM_WARN("unsuported flag %c \n",flags_s.s[res]);
}
}
}
if (flags®_BRANCH_AOR_LOOKUP_FLAG) {
/* extract all the branches for further usage */
nbranches = 0;
while (
(turi=get_branch(nbranches, &tlen, &tq, NULL, NULL, NULL, NULL))
) {
/* copy uri */
branch_uris[nbranches].s = urimem[nbranches];
if (tlen) {
memcpy(branch_uris[nbranches].s, turi, tlen);
branch_uris[nbranches].len = tlen;
} else {
*branch_uris[nbranches].s = '\0';
branch_uris[nbranches].len = 0;
}
nbranches++;
}
clear_branches();
idx=0;
}
if (_s) {
if (pv_get_spec_value( _m, (pv_spec_p)_s, &val)!=0) {
LM_ERR("failed to get PV value\n");
return -1;
}
if ( (val.flags&PV_VAL_STR)==0 ) {
LM_ERR("PV vals is not string\n");
return -1;
}
uri = val.rs;
} else {
if (_m->new_uri.s) uri = _m->new_uri;
else uri = _m->first_line.u.request.uri;
}
if (extract_aor(&uri, &aor,&sip_instance,&call_id) < 0) {
LM_ERR("failed to extract address of record\n");
return -3;
}
get_act_time();
ul.lock_udomain((udomain_t*)_t, &aor);
res = ul.get_urecord((udomain_t*)_t, &aor, &r);
if (res > 0) {
LM_DBG("'%.*s' Not found in usrloc\n", aor.len, ZSW(aor.s));
ul.unlock_udomain((udomain_t*)_t, &aor);
return -1;
}
if (flags & REG_LOOKUP_UAFILTER_FLAG) {
tmp = *(ua+re_len);
*(ua+re_len) = '\0';
if (regcomp(&ua_re, ua, regexp_flags) != 0) {
LM_ERR("bad regexp '%s'\n", ua);
*(ua+re_len) = tmp;
return -1;
}
*(ua+re_len) = tmp;
}
ptr = r->contacts;
ret = -1;
/* look first for an un-expired and suported contact */
search_valid_contact:
while ( (ptr) &&
!(VALID_CONTACT(ptr,act_time) && (ret=-2) && allowed_method(_m,ptr,flags)))
ptr = ptr->next;
if (ptr==0) {
/* nothing found */
LM_DBG("nothing found !\n");
goto done;
}
ua_re_check(
ret = -1;
ptr = ptr->next;
goto search_valid_contact
);
if (sip_instance.len && sip_instance.s) {
LM_DBG("ruri has gruu in lookup\n");
/* uri has GRUU */
if (ptr->instance.len-2 != sip_instance.len ||
memcmp(ptr->instance.s+1,sip_instance.s,sip_instance.len)) {
LM_DBG("no match to sip instace - [%.*s] - [%.*s]\n",ptr->instance.len-2,ptr->instance.s+1,
sip_instance.len,sip_instance.s);
/* not the targeted instance, search some more */
ptr = ptr->next;
goto search_valid_contact;
}
LM_DBG("matched sip instace\n");
}
if (call_id.len && call_id.s) {
/* decide whether GRUU is expired or not
*
* first - match call-id */
if (ptr->callid.len != call_id.len ||
memcmp(ptr->callid.s,call_id.s,call_id.len)) {
LM_DBG("no match to call id - [%.*s] - [%.*s]\n",ptr->callid.len,ptr->callid.s,
call_id.len,call_id.s);
ptr = ptr->next;
goto search_valid_contact;
}
/* matched call-id, check if there are newer contacts with
* same sip instace bup newer last_modified */
it = ptr->next;
while ( it ) {
if (VALID_CONTACT(it,act_time)) {
if (it->instance.len-2 == sip_instance.len && sip_instance.s &&
memcmp(it->instance.s+1,sip_instance.s,sip_instance.len) == 0)
if (it->last_modified > ptr->last_modified) {
/* same instance id, but newer modified -> expired GRUU, no match at all */
break;
}
}
it=it->next;
}
if (it != NULL) {
ret = -1;
goto done;
}
}
LM_DBG("found a complete match\n");
ret = 1;
if (ptr) {
LM_DBG("setting as ruri <%.*s>\n",ptr->c.len,ptr->c.s);
if (set_ruri(_m, &ptr->c) < 0) {
LM_ERR("unable to rewrite Request-URI\n");
ret = -3;
goto done;
}
/* If a Path is present, use first path-uri in favour of
* received-uri because in that case the last hop towards the uac
* has to handle NAT. - agranig */
if (ptr->path.s && ptr->path.len) {
if (get_path_dst_uri(&ptr->path, &path_dst) < 0) {
LM_ERR("failed to get dst_uri for Path\n");
ret = -3;
goto done;
}
if (set_path_vector(_m, &ptr->path) < 0) {
LM_ERR("failed to set path vector\n");
ret = -3;
goto done;
}
if (set_dst_uri(_m, &path_dst) < 0) {
LM_ERR("failed to set dst_uri of Path\n");
ret = -3;
goto done;
}
} else if (ptr->received.s && ptr->received.len) {
if (set_dst_uri(_m, &ptr->received) < 0) {
ret = -3;
goto done;
}
}
set_ruri_q( _m, ptr->q);
setbflag( _m, 0, ptr->cflags);
if (ptr->sock)
_m->force_send_socket = ptr->sock;
/* populate the 'attributes' avp */
if (attr_avp_name != -1) {
istr.s = ptr->attr;
if (add_avp_last(AVP_VAL_STR, attr_avp_name, istr) != 0) {
LM_ERR("Failed to populate attr avp!\n");
}
}
ptr = ptr->next;
}
/* Append branches if enabled */
/* If we got to this point and the URI had a ;gr parameter and it was matched
* to a contact. No point in branching */
if ( flags®_LOOKUP_NOBRANCH_FLAG || (sip_instance.len && sip_instance.s) ) goto done;
LM_DBG("looking for branches\n");
do {
for( ; ptr ; ptr = ptr->next ) {
if (VALID_CONTACT(ptr, act_time) && allowed_method(_m,ptr,flags)) {
path_dst.len = 0;
if(ptr->path.s && ptr->path.len
&& get_path_dst_uri(&ptr->path, &path_dst) < 0) {
LM_ERR("failed to get dst_uri for Path\n");
continue;
}
ua_re_check(continue);
/* The same as for the first contact applies for branches
* regarding path vs. received. */
LM_DBG("setting branch <%.*s>\n",ptr->c.len,ptr->c.s);
if (append_branch(_m,&ptr->c,path_dst.len?&path_dst:&ptr->received,
&ptr->path, ptr->q, ptr->cflags, ptr->sock) == -1) {
LM_ERR("failed to append a branch\n");
/* Also give a chance to the next branches*/
continue;
}
/* populate the 'attributes' avp */
if (attr_avp_name != -1) {
istr.s = ptr->attr;
if (add_avp_last(AVP_VAL_STR, attr_avp_name, istr) != 0) {
LM_ERR("Failed to populate attr avp!\n");
}
}
}
}
/* 0 branches condition also filled; idx initially -1*/
if (!(flags®_BRANCH_AOR_LOOKUP_FLAG) || idx == nbranches)
goto done;
/* relsease old aor lock */
ul.unlock_udomain((udomain_t*)_t, &aor);
ul.release_urecord(r, 0);
/* idx starts from -1 */
uri = branch_uris[idx];
if (extract_aor(&uri, &aor, NULL, &call_id) < 0) {
LM_ERR("failed to extract address of record for branch uri\n");
return -3;
}
/* release old urecord */
/* get lock on new aor */
LM_DBG("getting contacts from aor [%.*s]"
"in branch %d\n", aor.len, aor.s, idx);
ul.lock_udomain((udomain_t*)_t, &aor);
res = ul.get_urecord((udomain_t*)_t, &aor, &r);
if (res > 0) {
LM_DBG("'%.*s' Not found in usrloc\n", aor.len, ZSW(aor.s));
goto done;
}
idx++;
ptr = r->contacts;
} while (1);
/*! \brief
* Lookup contact in the database and rewrite Request-URI
* \return: -1 : not found
* -2 : found but method not allowed
* -3 : error
*/
int lookup(struct sip_msg* _m, char* _t, char* _f, char* _s)
{
unsigned int flags;
urecord_t* r;
str aor, uri;
ucontact_t* ptr,*it;
int res;
int ret;
str path_dst;
str flags_s;
pv_value_t val;
int_str istr;
str sip_instance = {0,0},call_id = {0,0};
flags = 0;
if (_f && _f[0]!=0) {
if (fixup_get_svalue( _m, (gparam_p)_f, &flags_s)!=0) {
LM_ERR("invalid owner uri parameter");
return -1;
}
for( res=0 ; res< flags_s.len ; res++ ) {
switch (flags_s.s[res]) {
case 'm': flags |= REG_LOOKUP_METHODFILTER_FLAG; break;
case 'b': flags |= REG_LOOKUP_NOBRANCH_FLAG; break;
default: LM_WARN("unsuported flag %c \n",flags_s.s[res]);
}
}
}
if (_s) {
if (pv_get_spec_value( _m, (pv_spec_p)_s, &val)!=0) {
LM_ERR("failed to get PV value\n");
return -1;
}
if ( (val.flags&PV_VAL_STR)==0 ) {
LM_ERR("PV vals is not string\n");
return -1;
}
uri = val.rs;
} else {
if (_m->new_uri.s) uri = _m->new_uri;
else uri = _m->first_line.u.request.uri;
}
if (extract_aor(&uri, &aor,&sip_instance,&call_id) < 0) {
LM_ERR("failed to extract address of record\n");
return -3;
}
get_act_time();
ul.lock_udomain((udomain_t*)_t, &aor);
res = ul.get_urecord((udomain_t*)_t, &aor, &r);
if (res > 0) {
LM_DBG("'%.*s' Not found in usrloc\n", aor.len, ZSW(aor.s));
ul.unlock_udomain((udomain_t*)_t, &aor);
return -1;
}
ptr = r->contacts;
ret = -1;
/* look first for an un-expired and suported contact */
search_valid_contact:
while ( (ptr) &&
!(VALID_CONTACT(ptr,act_time) && (ret=-2) && allowed_method(_m,ptr,flags)))
ptr = ptr->next;
if (ptr==0) {
/* nothing found */
LM_DBG("nothing found !\n");
goto done;
}
if (sip_instance.len && sip_instance.s) {
LM_DBG("ruri has gruu in lookup\n");
/* uri has GRUU */
if (ptr->instance.len-2 != sip_instance.len ||
memcmp(ptr->instance.s+1,sip_instance.s,sip_instance.len)) {
LM_DBG("no match to sip instace - [%.*s] - [%.*s]\n",ptr->instance.len-2,ptr->instance.s+1,
sip_instance.len,sip_instance.s);
/* not the targeted instance, search some more */
ptr = ptr->next;
goto search_valid_contact;
}
LM_DBG("matched sip instace\n");
}
if (call_id.len && call_id.s) {
/* decide whether GRUU is expired or not
*
* first - match call-id */
if (ptr->callid.len != call_id.len ||
memcmp(ptr->callid.s,call_id.s,call_id.len)) {
LM_DBG("no match to call id - [%.*s] - [%.*s]\n",ptr->callid.len,ptr->callid.s,
call_id.len,call_id.s);
ptr = ptr->next;
goto search_valid_contact;
}
/* matched call-id, check if there are newer contacts with
* same sip instace bup newer last_modified */
it = ptr->next;
while ( it ) {
if (VALID_CONTACT(it,act_time)) {
if (it->instance.len-2 == sip_instance.len &&
memcmp(it->instance.s+1,sip_instance.s,sip_instance.len) == 0)
if (it->last_modified > ptr->last_modified) {
/* same instance id, but newer modified -> expired GRUU, no match at all */
break;
}
}
it=it->next;
}
if (it != NULL) {
ret = -1;
goto done;
}
}
LM_DBG("found a complete match\n");
ret = 1;
if (ptr) {
LM_DBG("setting as ruri <%.*s>\n",ptr->c.len,ptr->c.s);
if (set_ruri(_m, &ptr->c) < 0) {
LM_ERR("unable to rewrite Request-URI\n");
ret = -3;
goto done;
}
/* If a Path is present, use first path-uri in favour of
* received-uri because in that case the last hop towards the uac
* has to handle NAT. - agranig */
if (ptr->path.s && ptr->path.len) {
if (get_path_dst_uri(&ptr->path, &path_dst) < 0) {
LM_ERR("failed to get dst_uri for Path\n");
ret = -3;
goto done;
}
if (set_path_vector(_m, &ptr->path) < 0) {
LM_ERR("failed to set path vector\n");
ret = -3;
goto done;
}
if (set_dst_uri(_m, &path_dst) < 0) {
LM_ERR("failed to set dst_uri of Path\n");
ret = -3;
goto done;
}
} else if (ptr->received.s && ptr->received.len) {
if (set_dst_uri(_m, &ptr->received) < 0) {
ret = -3;
goto done;
}
}
set_ruri_q(ptr->q);
setbflag( 0, ptr->cflags);
if (ptr->sock)
_m->force_send_socket = ptr->sock;
/* populate the 'attributes' avp */
if (attr_avp_name != -1) {
istr.s = ptr->attr;
if (add_avp_last(AVP_VAL_STR, attr_avp_name, istr) != 0) {
LM_ERR("Failed to populate attr avp!\n");
}
}
ptr = ptr->next;
}
/* Append branches if enabled */
/* If we got to this point and the URI had a ;gr parameter and it was matched
* to a contact. No point in branching */
if ( flags®_LOOKUP_NOBRANCH_FLAG || (sip_instance.len && sip_instance.s) ) goto done;
LM_DBG("looking for branches\n");
for( ; ptr ; ptr = ptr->next ) {
if (VALID_CONTACT(ptr, act_time) && allowed_method(_m,ptr,flags)) {
path_dst.len = 0;
if(ptr->path.s && ptr->path.len
&& get_path_dst_uri(&ptr->path, &path_dst) < 0) {
LM_ERR("failed to get dst_uri for Path\n");
continue;
}
/* The same as for the first contact applies for branches
* regarding path vs. received. */
LM_DBG("setting branch <%.*s>\n",ptr->c.len,ptr->c.s);
if (append_branch(_m,&ptr->c,path_dst.len?&path_dst:&ptr->received,
&ptr->path, ptr->q, ptr->cflags, ptr->sock) == -1) {
LM_ERR("failed to append a branch\n");
/* Also give a chance to the next branches*/
continue;
}
/* populate the 'attributes' avp */
if (attr_avp_name != -1) {
istr.s = ptr->attr;
if (add_avp_last(AVP_VAL_STR, attr_avp_name, istr) != 0) {
LM_ERR("Failed to populate attr avp!\n");
}
}
}
}
done:
ul.release_urecord(r);
ul.unlock_udomain((udomain_t*)_t, &aor);
return ret;
}
/* forwards the msg to the given location set; if flags has set the
* CPL_PROXY_DONE, all locations will be added as branches, otherwise, the
* first one will set as RURI (this is ha case when this is the first proxy
* of the message)
* The given list of location will be freed, returning 0 instead.
* Returns: 0 - OK
* -1 - error */
int cpl_proxy_to_loc_set( struct sip_msg *msg, struct location **locs,
unsigned char flag)
{
struct location *foo;
struct action act;
struct run_act_ctx ra_ctx;
int bflags;
if (!*locs) {
LM_ERR("empty loc set!!\n");
goto error;
}
/* if it's the first time when this sip_msg is proxied, use the first addr
* in loc_set to rewrite the RURI */
if (!(flag&CPL_PROXY_DONE)) {
LM_DBG("rewriting Request-URI with <%s>\n",(*locs)->addr.uri.s);
/* build a new action for setting the URI */
memset(&act, '\0', sizeof(act));
act.type = SET_URI_T;
act.val[0].type = STRING_ST;
act.val[0].u.string = (*locs)->addr.uri.s;
init_run_actions_ctx(&ra_ctx);
/* push the action */
if (do_action(&ra_ctx, &act, msg) < 0) {
LM_ERR("do_action failed\n");
goto error;
}
/* build a new action for setting the DSTURI */
if((*locs)->addr.received.s && (*locs)->addr.received.len) {
LM_DBG("rewriting Destination URI "
"with <%s>\n",(*locs)->addr.received.s);
if (set_dst_uri(msg, &(*locs)->addr.received) < 0) {
LM_ERR("Error while setting the dst uri\n");
goto error;
}
/* dst_uri changes, so it makes sense to re-use the current uri for
forking */
ruri_mark_new(); /* re-use uri for serial forking */
}
/* is the location NATED? */
if ((*locs)->flags&CPL_LOC_NATED)
setbflag( 0, cpl_fct.ulb.nat_flag );
/* free the location and point to the next one */
foo = (*locs)->next;
free_location( *locs );
*locs = foo;
}
/* add the rest of the locations as branches */
while(*locs) {
bflags = ((*locs)->flags&CPL_LOC_NATED) ? cpl_fct.ulb.nat_flag : 0 ;
LM_DBG("appending branch <%.*s>, flags %d\n",
(*locs)->addr.uri.len, (*locs)->addr.uri.s, bflags);
if(append_branch(msg, &(*locs)->addr.uri,
&(*locs)->addr.received, 0,
Q_UNSPECIFIED, bflags, 0, 0, 0, 0, 0)==-1){
LM_ERR("failed when appending branch <%s>\n",
(*locs)->addr.uri.s);
goto error;
}
/* free the location and point to the next one */
foo = (*locs)->next;
free_location( *locs );
*locs = foo;
}
/* run what proxy route is set */
if (cpl_env.proxy_route) {
/* do not alter route type - it might be REQUEST or FAILURE */
run_top_route( main_rt.rlist[cpl_env.proxy_route], msg, 0);
}
/* do t_forward */
if (cpl_fct.tmb.t_relay(msg, 0, 0)==-1) {
LM_ERR("t_relay failed !\n");
goto error;
}
return 0;
error:
return -1;
}
