int hostport2addr(SOCKADDR_UNION *addr, char *hostname, char *portname) {
SOCKADDR_LIST addr_list;
int retval;
addr_list.num=0;
addr_list.addr=NULL;
retval=hostport2addrlist(&addr_list, hostname, portname);
if(retval>0)
memcpy(addr, &addr_list.addr[0], sizeof *addr);
if(addr_list.addr)
str_free(addr_list.addr);
return retval;
}
unsigned hostport2addr(SOCKADDR_UNION *addr,
char *host_name, char *port_name, int passive) {
SOCKADDR_LIST *addr_list;
unsigned retval;
addr_list=str_alloc(sizeof(SOCKADDR_LIST));
addrlist_clear(addr_list, passive);
retval=hostport2addrlist(addr_list, host_name, port_name);
if(retval)
addrlist2addr(addr, addr_list);
str_free(addr_list->addr);
str_free(addr_list);
return retval;
}
int name2addrlist(SOCKADDR_LIST *addr_list, char *name, char *default_host) {
char tmp[STRLEN], *hostname, *portname;
/* set hostname and portname */
safecopy(tmp, name);
portname=strrchr(tmp, ':');
if(portname) {
hostname=tmp;
*portname++='\0';
} else { /* no ':' - use default host IP */
hostname=default_host;
portname=tmp;
}
/* fill addr_list structure */
return hostport2addrlist(addr_list, hostname, portname);
}
int name2addrlist(SOCKADDR_LIST *addr_list, char *name, char *default_host) {
char *tmp, *hostname, *portname;
int retval;
/* set hostname and portname */
tmp=str_dup(name);
portname=strrchr(tmp, ':');
if(portname) {
hostname=tmp;
*portname++='\0';
} else { /* no ':' - use default host IP */
hostname=default_host;
portname=tmp;
}
/* fill addr_list structure */
retval=hostport2addrlist(addr_list, hostname, portname);
str_free(tmp);
return retval;
}
int name2addrlist(SOCKADDR_LIST *addr_list, char *name, char *default_host) {
char *tmp, *hostname, *portname;
int retval;
addr_list->cur=0; /* reset round-robin counter */
/* first check if this is a UNIX socket */
#ifdef HAVE_STRUCT_SOCKADDR_UN
if(*name=='/') {
if(offsetof(struct sockaddr_un, sun_path)+strlen(name)+1
> sizeof(struct sockaddr_un)) {
s_log(LOG_ERR, "Unix socket path is too long");
return 0; /* no results */
}
addr_list->addr=str_realloc(addr_list->addr,
(addr_list->num+1)*sizeof(SOCKADDR_UNION));
addr_list->addr[addr_list->num].un.sun_family=AF_UNIX;
strcpy(addr_list->addr[addr_list->num].un.sun_path, name);
return ++(addr_list->num); /* ok - return the number of addresses */
}
#endif
/* set hostname and portname */
tmp=str_dup(name);
portname=strrchr(tmp, ':');
if(portname) {
hostname=tmp;
*portname++='\0';
} else { /* no ':' - use default host IP */
hostname=default_host;
portname=tmp;
}
/* fill addr_list structure */
retval=hostport2addrlist(addr_list, hostname, portname);
str_free(tmp);
return retval;
}
