/*
* $Id$
*
* cfg grammar
*/
%{
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include <errno.h>
#include "route_struct.h"
#include "globals.h"
#include "route.h"
#include "dprint.h"
#include "sr_module.h"
#include "modparam.h"
#include "ip_addr.h"
#include "name_alias.h"
#include "config.h"
#ifdef DEBUG_DMALLOC
#include <dmalloc.h>
#endif
/* hack to avoid alloca usage in the generated C file (needed for compiler
with no built in alloca, like icc*/
#undef _ALLOCA_H
struct id_list{
char* s;
struct id_list* next;
};
extern int yylex();
void yyerror(char* s);
char* tmp;
void* f_tmp;
struct id_list* lst_tmp;
%}
%union {
int intval;
unsigned uval;
char* strval;
struct expr* expr;
struct action* action;
struct net* ipnet;
struct ip_addr* ipaddr;
struct id_list* idlst;
}
/* terminals */
/* keywords */
%token FORWARD
%token SEND
%token DROP
%token LOG_TOK
%token ERROR
%token ROUTE
%token REPLY_ROUTE
%token EXEC
%token SET_HOST
%token SET_HOSTPORT
%token PREFIX
%token STRIP
%token APPEND_BRANCH
%token SET_USER
%token SET_USERPASS
%token SET_PORT
%token SET_URI
%token REVERT_URI
%token IF
%token ELSE
%token URIHOST
%token URIPORT
%token MAX_LEN
%token SETFLAG
%token RESETFLAG
%token ISFLAGSET
%token LEN_GT
%token METHOD
%token URI
%token SRCIP
%token DSTIP
%token MYSELF
/* config vars. */
%token DEBUG
%token FORK
%token LOGSTDERROR
%token LISTEN
%token ALIAS
%token DNS
%token REV_DNS
%token PORT
%token STAT
%token CHILDREN
%token CHECK_VIA
%token SYN_BRANCH
%token MEMLOG
%token SIP_WARNING
%token FIFO
%token FIFO_MODE
%token SERVER_SIGNATURE
%token REPLY_TO_VIA
%token LOADMODULE
%token MODPARAM
%token MAXBUFFER
%token USER
%token GROUP
/* operators */
%nonassoc EQUAL
%nonassoc EQUAL_T
%nonassoc MATCH
%left OR
%left AND
%left NOT
/* values */
%token <intval> NUMBER
%token <strval> ID
%token <strval> STRING
%token <strval> IPV6ADDR
/* other */
%token COMMA
%token SEMICOLON
%token RPAREN
%token LPAREN
%token LBRACE
%token RBRACE
%token LBRACK
%token RBRACK
%token SLASH
%token DOT
%token CR
/*non-terminals */
%type <expr> exp, exp_elem /*, condition*/
%type <action> action, actions, cmd, if_cmd, stm
%type <ipaddr> ipv4, ipv6, ip
%type <ipnet> ipnet
%type <strval> host
%type <strval> listen_id
%type <idlst> id_lst
/*%type <route_el> rules;
%type <route_el> rule;
*/
%%
cfg: statements
;
statements: statements statement {}
| statement {}
| statements error { yyerror(""); YYABORT;}
;
statement: assign_stm
| module_stm
| route_stm
| reply_route_stm
| CR /* null statement*/
;
listen_id: ip { tmp=ip_addr2a($1);
if(tmp==0){
LOG(L_CRIT, "ERROR: cfg. parser: bad ip "
"addresss.\n");
$$=0;
}else{
$$=malloc(strlen(tmp)+1);
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: out of "
"memory.\n");
}else{
strncpy($$, tmp, strlen(tmp)+1);
}
}
}
| ID { $$=malloc(strlen($1)+1);
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: out of "
"memory.\n");
}else{
strncpy($$, $1, strlen($1)+1);
}
}
| STRING { $$=malloc(strlen($1)+1);
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: out of "
"memory.\n");
}else{
strncpy($$, $1, strlen($1)+1);
}
}
| host { $$=malloc(strlen($1)+1);
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: out of "
"memory.\n");
}else{
strncpy($$, $1, strlen($1)+1);
}
}
;
id_lst: listen_id { $$=malloc(sizeof(struct id_list));
if ($$==0){
LOG(L_CRIT,"ERROR: cfg. parser: out of memory.\n");
}else{
$$->s=$1;
$$->next=0;
}
}
| listen_id id_lst {
$$=malloc(sizeof(struct id_list));
if ($$==0){
LOG(L_CRIT,"ERROR: cfg. parser: out of memory.\n");
}else{
$$->s=$1;
$$->next=$2;
}
}
;
assign_stm: DEBUG EQUAL NUMBER { debug=$3; }
| DEBUG EQUAL error { yyerror("number expected"); }
| FORK EQUAL NUMBER { dont_fork= ! $3; }
| FORK EQUAL error { yyerror("boolean value expected"); }
| LOGSTDERROR EQUAL NUMBER { log_stderr=$3; }
| LOGSTDERROR EQUAL error { yyerror("boolean value expected"); }
| DNS EQUAL NUMBER { received_dns|= ($3)?DO_DNS:0; }
| DNS EQUAL error { yyerror("boolean value expected"); }
| REV_DNS EQUAL NUMBER { received_dns|= ($3)?DO_REV_DNS:0; }
| REV_DNS EQUAL error { yyerror("boolean value expected"); }
| PORT EQUAL NUMBER { port_no=$3;
if (sock_no>0)
sock_info[sock_no-1].port_no=port_no;
}
| STAT EQUAL STRING {
#ifdef STATS
stat_file=$3;
#endif
}
| MAXBUFFER EQUAL NUMBER { maxbuffer=$3; }
| MAXBUFFER EQUAL error { yyerror("number expected"); }
| PORT EQUAL error { yyerror("number expected"); }
| CHILDREN EQUAL NUMBER { children_no=$3; }
| CHILDREN EQUAL error { yyerror("number expected"); }
| CHECK_VIA EQUAL NUMBER { check_via=$3; }
| CHECK_VIA EQUAL error { yyerror("boolean value expected"); }
| SYN_BRANCH EQUAL NUMBER { syn_branch=$3; }
| SYN_BRANCH EQUAL error { yyerror("boolean value expected"); }
| MEMLOG EQUAL NUMBER { memlog=$3; }
| MEMLOG EQUAL error { yyerror("int value expected"); }
| SIP_WARNING EQUAL NUMBER { sip_warning=$3; }
| SIP_WARNING EQUAL error { yyerror("boolean value expected"); }
| FIFO EQUAL STRING { fifo=$3; }
| FIFO EQUAL error { yyerror("string value expected"); }
| FIFO_MODE EQUAL NUMBER { fifo_mode=$3; }
| FIFO_MODE EQUAL error { yyerror("int value expected"); }
| USER EQUAL STRING { user=$3; }
| USER EQUAL ID { user=$3; }
| USER EQUAL error { yyerror("string value expected"); }
| GROUP EQUAL STRING { group=$3; }
| GROUP EQUAL ID { group=$3; }
| GROUP EQUAL error { yyerror("string value expected"); }
| SERVER_SIGNATURE EQUAL NUMBER { server_signature=$3; }
| SERVER_SIGNATURE EQUAL error { yyerror("boolean value expected"); }
| REPLY_TO_VIA EQUAL NUMBER { reply_to_via=$3; }
| REPLY_TO_VIA EQUAL error { yyerror("boolean value expected"); }
| LISTEN EQUAL id_lst {
for(lst_tmp=$3; lst_tmp; lst_tmp=lst_tmp->next){
if (sock_no < MAX_LISTEN){
sock_info[sock_no].name.s=
(char*)malloc(strlen(lst_tmp->s)+1);
if (sock_info[sock_no].name.s==0){
LOG(L_CRIT, "ERROR: cfg. parser:"
" out of memory.\n");
break;
}else{
strncpy(sock_info[sock_no].name.s,
lst_tmp->s,
strlen(lst_tmp->s)+1);
sock_info[sock_no].name.len=
strlen(lst_tmp->s);
sock_info[sock_no].port_no=port_no;
sock_no++;
}
}else{
LOG(L_CRIT, "ERROR: cfg. parser: "
"too many listen addresses"
"(max. %d).\n", MAX_LISTEN);
break;
}
}
}
| LISTEN EQUAL error { yyerror("ip address or hostname"
"expected"); }
| ALIAS EQUAL id_lst {
for(lst_tmp=$3; lst_tmp; lst_tmp=lst_tmp->next)
add_alias(lst_tmp->s, strlen(lst_tmp->s), 0);
}
| ALIAS EQUAL error { yyerror(" hostname expected"); }
| error EQUAL { yyerror("unknown config variable"); }
;
module_stm: LOADMODULE STRING { DBG("loading module %s\n", $2);
if (load_module($2)!=0){
yyerror("failed to load module");
}
}
| LOADMODULE error { yyerror("string expected"); }
| MODPARAM LPAREN STRING COMMA STRING COMMA STRING RPAREN {
if (set_mod_param($3, $5, STR_PARAM, $7) != 0) {
yyerror("Can't set module parameter");
}
}
| MODPARAM LPAREN STRING COMMA STRING COMMA NUMBER RPAREN {
if (set_mod_param($3, $5, INT_PARAM, (void*)$7) != 0) {
yyerror("Can't set module parameter");
}
}
| MODPARAM error { yyerror("Invalid arguments"); }
;
ip: ipv4 { $$=$1; }
|ipv6 { $$=$1; }
;
ipv4: NUMBER DOT NUMBER DOT NUMBER DOT NUMBER {
$$=malloc(sizeof(struct ip_addr));
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. "
"parser: out of memory.\n"
);
}else{
memset($$, 0,
sizeof(struct ip_addr));
$$->af=AF_INET;
$$->len=4;
if (($1>255) || ($1<0) ||
($3>255) || ($3<0) ||
($5>255) || ($5<0) ||
($7>255) || ($7<0)){
yyerror("invalid ipv4"
"address");
$$->u.addr32[0]=0;
/* $$=0; */
}else{
$$->u.addr[0]=$1;
$$->u.addr[1]=$3;
$$->u.addr[2]=$5;
$$->u.addr[3]=$7;
/*
$$=htonl( ($1<<24)|
($3<<16)| ($5<<8)|$7 );
*/
}
}
}
;
ipv6: IPV6ADDR {
$$=malloc(sizeof(struct ip_addr));
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: out of memory.\n");
}else{
memset($$, 0, sizeof(struct ip_addr));
$$->af=AF_INET6;
$$->len=16;
#ifdef USE_IPV6
if (inet_pton(AF_INET6, $1, $$->u.addr)<=0){
yyerror("bad ipv6 address");
}
#else
yyerror("ipv6 address & no ipv6 support compiled in");
YYABORT;
#endif
}
}
;
route_stm: ROUTE LBRACE actions RBRACE { push($3, &rlist[DEFAULT_RT]); }
| ROUTE LBRACK NUMBER RBRACK LBRACE actions RBRACE {
if (($3<RT_NO) && ($3>=0)){
push($6, &rlist[$3]);
}else{
yyerror("invalid routing"
"table number");
YYABORT; }
}
| ROUTE error { yyerror("invalid route statement"); }
;
reply_route_stm: REPLY_ROUTE LBRACK NUMBER RBRACK LBRACE actions RBRACE {
if (($3<REPLY_RT_NO)&&($3>=1)){
push($6, &reply_rlist[$3]);
} else {
yyerror("invalid reply routing"
"table number");
YYABORT; }
}
| REPLY_ROUTE error { yyerror("invalid reply_route statement"); }
;
/*
rules: rules rule { push($2, &$1); $$=$1; }
| rule {$$=$1; }
| rules error { $$=0; yyerror("invalid rule"); }
;
rule: condition actions CR {
$$=0;
if (add_rule($1, $2, &$$)<0) {
yyerror("error calling add_rule");
YYABORT;
}
}
| CR { $$=0;}
| condition error { $$=0; yyerror("bad actions in rule"); }
;
condition: exp {$$=$1;}
*/
exp: exp AND exp { $$=mk_exp(AND_OP, $1, $3); }
| exp OR exp { $$=mk_exp(OR_OP, $1, $3); }
| NOT exp { $$=mk_exp(NOT_OP, $2, 0); }
| LPAREN exp RPAREN { $$=$2; }
| exp_elem { $$=$1; }
;
exp_elem: METHOD EQUAL_T STRING {$$= mk_elem( EQUAL_OP, STRING_ST,
METHOD_O, $3);
}
| METHOD EQUAL_T ID {$$ = mk_elem( EQUAL_OP, STRING_ST,
METHOD_O, $3);
}
| METHOD EQUAL_T error { $$=0; yyerror("string expected"); }
| METHOD MATCH STRING {$$ = mk_elem( MATCH_OP, STRING_ST,
METHOD_O, $3);
}
| METHOD MATCH ID {$$ = mk_elem( MATCH_OP, STRING_ST,
METHOD_O, $3);
}
| METHOD MATCH error { $$=0; yyerror("string expected"); }
| METHOD error { $$=0; yyerror("invalid operator,"
"== or =~ expected");
}
| URI EQUAL_T STRING {$$ = mk_elem( EQUAL_OP, STRING_ST,
URI_O, $3);
}
| URI EQUAL_T ID {$$ = mk_elem( EQUAL_OP, STRING_ST,
URI_O, $3);
}
| URI EQUAL_T MYSELF { $$=mk_elem( EQUAL_OP, MYSELF_ST,
URI_O, 0);
}
| URI EQUAL_T error { $$=0; yyerror("string expected"); }
| URI MATCH STRING { $$=mk_elem( MATCH_OP, STRING_ST,
URI_O, $3);
}
| URI MATCH ID { $$=mk_elem( MATCH_OP, STRING_ST,
URI_O, $3);
}
| URI MATCH error { $$=0; yyerror("string expected"); }
| URI error { $$=0; yyerror("invalid operator,"
" == or =~ expected");
}
| SRCIP EQUAL_T ipnet { $$=mk_elem( EQUAL_OP, NET_ST,
SRCIP_O, $3);
}
| SRCIP EQUAL_T STRING { $$=mk_elem( EQUAL_OP, STRING_ST,
SRCIP_O, $3);
}
| SRCIP EQUAL_T host { $$=mk_elem( EQUAL_OP, STRING_ST,
SRCIP_O, $3);
}
| SRCIP EQUAL_T MYSELF { $$=mk_elem( EQUAL_OP, MYSELF_ST,
SRCIP_O, 0);
}
| SRCIP EQUAL_T error { $$=0; yyerror( "ip address or hostname"
"expected" ); }
| SRCIP MATCH STRING { $$=mk_elem( MATCH_OP, STRING_ST,
SRCIP_O, $3);
}
| SRCIP MATCH ID { $$=mk_elem( MATCH_OP, STRING_ST,
SRCIP_O, $3);
}
| SRCIP MATCH error { $$=0; yyerror( "hostname expected"); }
| SRCIP error { $$=0;
yyerror("invalid operator, == or =~ expected");}
| DSTIP EQUAL_T ipnet { $$=mk_elem( EQUAL_OP, NET_ST,
DSTIP_O, $3);
}
| DSTIP EQUAL_T STRING { $$=mk_elem( EQUAL_OP, STRING_ST,
DSTIP_O, $3);
}
| DSTIP EQUAL_T host { $$=mk_elem( EQUAL_OP, STRING_ST,
DSTIP_O, $3);
}
| DSTIP EQUAL_T MYSELF { $$=mk_elem( EQUAL_OP, MYSELF_ST,
DSTIP_O, 0);
}
| DSTIP EQUAL_T error { $$=0; yyerror( "ip address or hostname"
"expected" ); }
| DSTIP MATCH STRING { $$=mk_elem( MATCH_OP, STRING_ST,
DSTIP_O, $3);
}
| DSTIP MATCH ID { $$=mk_elem( MATCH_OP, STRING_ST,
DSTIP_O, $3);
}
| DSTIP MATCH error { $$=0; yyerror ( "hostname expected" ); }
| DSTIP error { $$=0;
yyerror("invalid operator, == or =~ expected");}
| MYSELF EQUAL_T URI { $$=mk_elem( EQUAL_OP, MYSELF_ST,
URI_O, 0);
}
| MYSELF EQUAL_T SRCIP { $$=mk_elem( EQUAL_OP, MYSELF_ST,
SRCIP_O, 0);
}
| MYSELF EQUAL_T DSTIP { $$=mk_elem( EQUAL_OP, MYSELF_ST,
DSTIP_O, 0);
}
| MYSELF EQUAL_T error { $$=0;
yyerror(" URI, SRCIP or DSTIP expected"); }
| MYSELF error { $$=0; yyerror ("invalid operator, == expected"); }
| stm { $$=mk_elem( NO_OP, ACTIONS_ST, ACTION_O, $1 ); }
| NUMBER {$$=mk_elem( NO_OP, NUMBER_ST, NUMBER_O, (void*)$1 ); }
;
ipnet: ip SLASH ip { $$=mk_net($1, $3); }
| ip SLASH NUMBER { if (($3<0) || ($3>$1->len*8)){
yyerror("invalid bit number in netmask");
$$=0;
}else{
$$=mk_net_bitlen($1, $3);
/*
$$=mk_net($1,
htonl( ($3)?~( (1<<(32-$3))-1 ):0 ) );
*/
}
}
| ip { $$=mk_net_bitlen($1, $1->len*8); }
| ip SLASH error { $$=0;
yyerror("netmask (eg:255.0.0.0 or 8) expected");
}
;
host: ID { $$=$1; }
| host DOT ID { $$=(char*)malloc(strlen($1)+1+strlen($3)+1);
if ($$==0){
LOG(L_CRIT, "ERROR: cfg. parser: memory allocation"
" failure while parsing host\n");
}else{
memcpy($$, $1, strlen($1));
$$[strlen($1)]='.';
memcpy($$+strlen($1)+1, $3, strlen($3));
$$[strlen($1)+1+strlen($3)]=0;
}
free($1); free($3);
};
| host DOT error { $$=0; free($1); yyerror("invalid hostname"); }
;
stm: cmd { $$=$1; }
| LBRACE actions RBRACE { $$=$2; }
;
actions: actions action {$$=append_action($1, $2); }
| action {$$=$1;}
| actions error { $$=0; yyerror("bad command"); }
;
action: cmd SEMICOLON {$$=$1;}
| SEMICOLON /* null action */ {$$=0;}
| cmd error { $$=0; yyerror("bad command: missing ';'?"); }
;
if_cmd: IF exp stm { $$=mk_action3( IF_T,
EXPR_ST,
ACTIONS_ST,
NOSUBTYPE,
$2,
$3,
0);
}
| IF exp stm ELSE stm { $$=mk_action3( IF_T,
EXPR_ST,
ACTIONS_ST,
ACTIONS_ST,
$2,
$3,
$5);
}
;
cmd: FORWARD LPAREN host RPAREN { $$=mk_action( FORWARD_T,
STRING_ST,
NUMBER_ST,
$3,
0);
}
| FORWARD LPAREN STRING RPAREN { $$=mk_action( FORWARD_T,
STRING_ST,
NUMBER_ST,
$3,
0);
}
| FORWARD LPAREN ip RPAREN { $$=mk_action( FORWARD_T,
IP_ST,
NUMBER_ST,
(void*)$3,
0);
}
| FORWARD LPAREN host COMMA NUMBER RPAREN { $$=mk_action(FORWARD_T,
STRING_ST,
NUMBER_ST,
$3,
(void*)$5);
}
| FORWARD LPAREN STRING COMMA NUMBER RPAREN {$$=mk_action(FORWARD_T,
STRING_ST,
NUMBER_ST,
$3,
(void*)$5);
}
| FORWARD LPAREN ip COMMA NUMBER RPAREN { $$=mk_action(FORWARD_T,
IP_ST,
NUMBER_ST,
(void*)$3,
(void*)$5);
}
| FORWARD LPAREN URIHOST COMMA URIPORT RPAREN {
$$=mk_action(FORWARD_T,
URIHOST_ST,
URIPORT_ST,
0,
0);
}
| FORWARD LPAREN URIHOST COMMA NUMBER RPAREN {
$$=mk_action(FORWARD_T,
URIHOST_ST,
NUMBER_ST,
0,
(void*)$5);
}
| FORWARD LPAREN URIHOST RPAREN {
$$=mk_action(FORWARD_T,
URIHOST_ST,
NUMBER_ST,
0,
0);
}
| FORWARD error { $$=0; yyerror("missing '(' or ')' ?"); }
| FORWARD LPAREN error RPAREN { $$=0; yyerror("bad forward"
"argument"); }
| SEND LPAREN host RPAREN { $$=mk_action( SEND_T,
STRING_ST,
NUMBER_ST,
$3,
0);
}
| SEND LPAREN STRING RPAREN { $$=mk_action( SEND_T,
STRING_ST,
NUMBER_ST,
$3,
0);
}
| SEND LPAREN ip RPAREN { $$=mk_action( SEND_T,
IP_ST,
NUMBER_ST,
(void*)$3,
0);
}
| SEND LPAREN host COMMA NUMBER RPAREN { $$=mk_action( SEND_T,
STRING_ST,
NUMBER_ST,
$3,
(void*)$5);
}
| SEND LPAREN STRING COMMA NUMBER RPAREN {$$=mk_action( SEND_T,
STRING_ST,
NUMBER_ST,
$3,
(void*)$5);
}
| SEND LPAREN ip COMMA NUMBER RPAREN { $$=mk_action( SEND_T,
IP_ST,
NUMBER_ST,
(void*)$3,
(void*)$5);
}
| SEND error { $$=0; yyerror("missing '(' or ')' ?"); }
| SEND LPAREN error RPAREN { $$=0; yyerror("bad send"
"argument"); }
| DROP LPAREN RPAREN {$$=mk_action(DROP_T,0, 0, 0, 0); }
| DROP {$$=mk_action(DROP_T,0, 0, 0, 0); }
| LOG_TOK LPAREN STRING RPAREN {$$=mk_action( LOG_T, NUMBER_ST,
STRING_ST,(void*)4,$3);
}
| LOG_TOK LPAREN NUMBER COMMA STRING RPAREN {$$=mk_action( LOG_T,
NUMBER_ST,
STRING_ST,
(void*)$3,
$5);
}
| LOG_TOK error { $$=0; yyerror("missing '(' or ')' ?"); }
| LOG_TOK LPAREN error RPAREN { $$=0; yyerror("bad log"
"argument"); }
| SETFLAG LPAREN NUMBER RPAREN {$$=mk_action( SETFLAG_T, NUMBER_ST, 0,
(void *)$3, 0 ); }
| SETFLAG error { $$=0; yyerror("missing '(' or ')'?"); }
| LEN_GT LPAREN NUMBER RPAREN {$$=mk_action( LEN_GT_T, NUMBER_ST, 0,
(void *)$3, 0 ); }
| LEN_GT LPAREN MAX_LEN RPAREN {$$=mk_action( LEN_GT_T, NUMBER_ST, 0,
(void *) BUF_SIZE, 0 ); }
| LEN_GT error { $$=0; yyerror("missing '(' or ')'?"); }
| RESETFLAG LPAREN NUMBER RPAREN {$$=mk_action( RESETFLAG_T, NUMBER_ST, 0,
(void *)$3, 0 ); }
| RESETFLAG error { $$=0; yyerror("missing '(' or ')'?"); }
| ISFLAGSET LPAREN NUMBER RPAREN {$$=mk_action( ISFLAGSET_T, NUMBER_ST, 0,
(void *)$3, 0 ); }
| ISFLAGSET error { $$=0; yyerror("missing '(' or ')'?"); }
| ERROR LPAREN STRING COMMA STRING RPAREN {$$=mk_action(ERROR_T,
STRING_ST,
STRING_ST,
$3,
$5);
}
| ERROR error { $$=0; yyerror("missing '(' or ')' ?"); }
| ERROR LPAREN error RPAREN { $$=0; yyerror("bad error"
"argument"); }
| ROUTE LPAREN NUMBER RPAREN { $$=mk_action(ROUTE_T, NUMBER_ST,
0, (void*)$3, 0);
}
| ROUTE error { $$=0; yyerror("missing '(' or ')' ?"); }
| ROUTE LPAREN error RPAREN { $$=0; yyerror("bad route"
"argument"); }
| EXEC LPAREN STRING RPAREN { $$=mk_action( EXEC_T, STRING_ST, 0,
$3, 0);
}
| SET_HOST LPAREN STRING RPAREN { $$=mk_action(SET_HOST_T, STRING_ST,
0, $3, 0); }
| SET_HOST error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_HOST LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| PREFIX LPAREN STRING RPAREN { $$=mk_action(PREFIX_T, STRING_ST,
0, $3, 0); }
| PREFIX error { $$=0; yyerror("missing '(' or ')' ?"); }
| PREFIX LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| STRIP LPAREN NUMBER RPAREN { $$=mk_action(STRIP_T, NUMBER_ST,
0, (void *) $3, 0); }
| STRIP error { $$=0; yyerror("missing '(' or ')' ?"); }
| STRIP LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"number expected"); }
| APPEND_BRANCH LPAREN STRING RPAREN { $$=mk_action( APPEND_BRANCH_T,
STRING_ST, 0, $3, 0) ; }
| APPEND_BRANCH LPAREN RPAREN { $$=mk_action( APPEND_BRANCH_T,
STRING_ST, 0, 0, 0 ) ; }
| APPEND_BRANCH { $$=mk_action( APPEND_BRANCH_T, STRING_ST, 0, 0, 0 ) ; }
| SET_HOSTPORT LPAREN STRING RPAREN { $$=mk_action( SET_HOSTPORT_T,
STRING_ST, 0, $3, 0); }
| SET_HOSTPORT error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_HOSTPORT LPAREN error RPAREN { $$=0; yyerror("bad argument,"
" string expected"); }
| SET_PORT LPAREN STRING RPAREN { $$=mk_action( SET_PORT_T, STRING_ST,
0, $3, 0); }
| SET_PORT error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_PORT LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| SET_USER LPAREN STRING RPAREN { $$=mk_action( SET_USER_T, STRING_ST,
0, $3, 0); }
| SET_USER error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_USER LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| SET_USERPASS LPAREN STRING RPAREN { $$=mk_action( SET_USERPASS_T,
STRING_ST, 0, $3, 0); }
| SET_USERPASS error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_USERPASS LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| SET_URI LPAREN STRING RPAREN { $$=mk_action( SET_URI_T, STRING_ST,
0, $3, 0); }
| SET_URI error { $$=0; yyerror("missing '(' or ')' ?"); }
| SET_URI LPAREN error RPAREN { $$=0; yyerror("bad argument, "
"string expected"); }
| REVERT_URI LPAREN RPAREN { $$=mk_action( REVERT_URI_T, 0,0,0,0); }
| REVERT_URI { $$=mk_action( REVERT_URI_T, 0,0,0,0); }
| ID LPAREN RPAREN { f_tmp=(void*)find_export($1, 0);
if (f_tmp==0){
yyerror("unknown command, missing"
" loadmodule?\n");
$$=0;
}else{
$$=mk_action( MODULE_T,
CMDF_ST,
0,
f_tmp,
0
);
}
}
| ID LPAREN STRING RPAREN { f_tmp=(void*)find_export($1, 1);
if (f_tmp==0){
yyerror("unknown command, missing"
" loadmodule?\n");
$$=0;
}else{
$$=mk_action( MODULE_T,
CMDF_ST,
STRING_ST,
f_tmp,
$3
);
}
}
| ID LPAREN STRING COMMA STRING RPAREN
{ f_tmp=(void*)find_export($1, 2);
if (f_tmp==0){
yyerror("unknown command, missing"
" loadmodule?\n");
$$=0;
}else{
$$=mk_action3( MODULE_T,
CMDF_ST,
STRING_ST,
STRING_ST,
f_tmp,
$3,
$5
);
}
}
| ID LPAREN error RPAREN { $$=0; yyerror("bad arguments"); }
| if_cmd { $$=$1; }
;
%%
extern int line;
extern int column;
extern int startcolumn;
void yyerror(char* s)
{
LOG(L_CRIT, "parse error (%d,%d-%d): %s\n", line, startcolumn,
column, s);
cfg_errors++;
}
/*
int main(int argc, char ** argv)
{
if (yyparse()!=0)
fprintf(stderr, "parsing error\n");
}
*/