/*
* Remove the mapping between program,version and port.
* Calls the pmap service remotely to do the un-mapping.
*/
bool_t
pmap_unset(
rpcprog_t program,
rpcvers_t version)
{
struct sockaddr_in myaddress;
int socket = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_port = parms.pm_prot = 0;
CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout);
CLNT_DESTROY(client);
(void)close(socket);
return (rslt);
}
int main(int argn, char *argc[])
{
//Program parameters : argc[1] : HostName or Host IP
// argc[2] : Server Program Number
// other arguments depend on test case
//run_mode can switch into stand alone program or program launch by shell script
//1 : stand alone, debug mode, more screen information
//0 : launch by shell script as test case, only one printf -> result status
int run_mode = 0;
int test_status = 1; //Default test result set to FAILED
int progNum = atoi(argc[2]);
struct sockaddr_in sin;
//Initialization
sin.sin_addr.s_addr = 0;
//Call tested routine
get_myaddress(&sin);
test_status = (sin.sin_addr.s_addr == 0);
//This last printf gives the result status to the tests suite
//normally should be 0: test has passed or 1: test has failed
printf("%d\n", test_status);
return test_status;
}
/*
* Set a mapping between program,version and port.
* Calls the pmap service remotely to do the mapping.
*/
bool_t
pmap_set(
rpcprog_t program,
rpcvers_t version,
rpcprot_t protocol,
u_int port)
{
struct sockaddr_in myaddress;
int socket = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = port;
if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout) != RPC_SUCCESS) {
clnt_perror(client, "Cannot register service");
return (FALSE);
}
CLNT_DESTROY(client);
(void)close(socket);
return (rslt);
}
/*
* Remove the mapping between program,version and port.
* Calls the pmap service remotely to do the un-mapping.
*/
bool_t
pmap_unset(
unsigned long program,
unsigned long version)
{
struct sockaddr_in myaddress;
int sockfd = -1;
register CLIENT *client;
struct pmap parms;
bool_t rslt;
get_myaddress(&myaddress);
client = clnttcp_create(&myaddress, PMAPPROG, PMAPVERS,
&sockfd, 0, 0);
if (client == (CLIENT *)NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_port = parms.pm_prot = 0;
if (CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout) != RPC_SUCCESS) {
clnt_perror(client, "pmap_unset: Cannot unregister service");
rslt = FALSE;
}
CLNT_DESTROY(client);
return (rslt);
}
/*
* Remove the mapping between program,version and port.
* Calls the pmap service remotely to do the un-mapping.
*/
bool_t
pmap_unset(u_long program, u_long version)
{
struct sockaddr_in myaddress;
int sock = -1;
CLIENT *client;
struct pmap parms;
bool_t rslt;
if (get_myaddress(&myaddress) != 0)
return (FALSE);
myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_port = parms.pm_prot = 0;
CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout);
CLNT_DESTROY(client);
if (sock != -1)
(void)close(sock);
return (rslt);
}
/*
* Set a mapping between program,version and port.
* Calls the pmap service remotely to do the mapping.
*/
bool_t
pmap_set(u_long program, u_long version, u_int protocol, int iport)
{
struct sockaddr_in myaddress;
int sock = -1;
CLIENT *client;
struct pmap parms;
bool_t rslt;
u_short port = iport;
if (get_myaddress(&myaddress) != 0)
return (FALSE);
myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client == NULL)
return (FALSE);
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = port;
if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
tottimeout) != RPC_SUCCESS) {
int save_errno = errno;
clnt_perror(client, "Cannot register service");
errno = save_errno;
return (FALSE);
}
CLNT_DESTROY(client);
if (sock != -1)
(void)close(sock);
return (rslt);
}
/*
* find the IP address that can be used to connect to the local host
*/
void
amu_get_myaddress(struct in_addr *iap, const char *preferred_localhost)
{
struct hostent *hp;
char dq[20];
#ifdef DEBUG_off
#error this code is old and probably not useful any longer.
#error Erez, Jan 21, 2004.
struct sockaddr_in sin;
/*
* Most modern systems should use 127.0.0.1 as the localhost address over
* which you can do NFS mounts. In the past we found that some NFS
* clients may not allow mounts from localhost. So we used
* get_myaddress() and that seemed to work. Alas, on some other systems,
* get_myaddress() may return one of the interface addresses at random,
* and thus use a less efficient IP address than 127.0.0.1. The solution
* is to hard-code 127.0.0.1, but still check if get_myaddress() returns a
* different value and warn about it.
*/
memset((char *) &sin, 0, sizeof(sin));
get_myaddress(&sin);
if (sin.sin_addr.s_addr != htonl(INADDR_LOOPBACK))
dlog("amu_get_myaddress: myaddress conflict (0x%x vs. 0x%lx)",
sin.sin_addr.s_addr, (u_long) htonl(INADDR_LOOPBACK));
#endif /* DEBUG_off */
if (preferred_localhost == NULL)
goto out;
/* if specified preferred locahost, then try to use it */
hp = gethostbyname(preferred_localhost);
if (hp == NULL) {
/* XXX: if hstrerror()/h_errno aren't portable, then need to port the next statement */
plog(XLOG_ERROR, "Unable to resolve localhost_address \"%s\" (%s): using default",
preferred_localhost, hstrerror(h_errno));
goto out;
}
if (hp->h_addr_list == NULL) {
plog(XLOG_ERROR, "localhost_address \"%s\" has no IP addresses: using default",
preferred_localhost);
goto out;
}
if (hp->h_addr_list[1] != NULL) {
plog(XLOG_ERROR, "localhost_address \"%s\" has more than one IP addresses: using first",
preferred_localhost);
goto out;
}
memmove((voidp) &iap->s_addr, (voidp) hp->h_addr_list[0], sizeof(iap->s_addr));
plog(XLOG_INFO, "localhost_address \"%s\" requested, using %s",
preferred_localhost, inet_dquad(dq, sizeof(dq), iap->s_addr));
return;
out:
iap->s_addr = htonl(INADDR_LOOPBACK);
}
/*
* find the IP address that can be used to connect to the local host
*/
void
amu_get_myaddress(struct in_addr *iap)
{
struct sockaddr_in sin;
memset((char *) &sin, 0, sizeof(sin));
get_myaddress(&sin);
iap->s_addr = sin.sin_addr.s_addr;
}
void hostInfo(void *itemIter, pup_er pp, CpdListItemsRequest *req) {
PUP::er &p = *(PUP::er *)pp;
struct sockaddr_in addr;
CpdListBeginItem(pp, 0);
#if CMK_HAS_GET_MYADDRESS
get_myaddress(&addr);
#else
CmiAbort("hostInfo: get_myaddress does not work on this machine");
#endif
char *address = (char*)&addr.sin_addr.s_addr;
PUPv(address, 4);
int pid = getpid();
PUPn(pid);
}
int main(){
printf("Client\n");
struct sockaddr_in addr;
get_myaddress(&addr);
char* c = inet_ntoa(addr.sin_addr);
strcpy(st.ip, c);
printf("IP= %s\n", st.ip);
st.port = addr.sin_port;
printf("port = %d\n", st.port);
printf("String to pass: \n");
scanf("%s",st.str);
callrpc("localhost", PROGRAM_EXEC, VERSIUNE_EXEC, EXEC_MAX,
(xdrproc_t)xdr_msgsnd, (char*)&st, (xdrproc_t)xdr_msgsnd, (char*)&rcv);
printf("Max: %s\n", rcv.str);
printf("IP : %s\n", rcv.ip);
printf("Port : %d\n", rcv.port);
return 0;
}
int
main(int argc, char **argv)
{
SVCXPRT *transp;
struct hostent *he;
struct stat buf;
int c;
while ((c = getopt(argc, argv,"dsr:f:")) != -1)
switch (c) {
case 'd':
debug = 1;
break;
case 'r':
if (isdigit((unsigned char)*optarg)) {
route_addr = inet_addr(optarg);
break;
} else {
he = gethostbyname(optarg);
if (he) {
bcopy(he->h_addr, (char *)&route_addr, sizeof(route_addr));
break;
} else {
errx(1, "no such host %s", optarg);
}
}
case 'f':
bootpfile = optarg;
break;
case 's':
dolog = 1;
#ifndef LOG_DAEMON
openlog("bootparamd", 0 , 0);
#else
openlog("bootparamd", 0 , LOG_DAEMON);
setlogmask(LOG_UPTO(LOG_NOTICE));
#endif
break;
default:
usage();
}
if ( stat(bootpfile, &buf ) )
err(1, "%s", bootpfile);
if (route_addr == -1) {
get_myaddress(&my_addr);
bcopy(&my_addr.sin_addr.s_addr, &route_addr, sizeof (route_addr));
}
if (!debug) {
if (daemon(0,0))
err(1, "fork");
}
pmap_unset(BOOTPARAMPROG, BOOTPARAMVERS);
transp = svcudp_create(RPC_ANYSOCK);
if (transp == NULL)
errx(1, "cannot create udp service");
if (!svc_register(transp, BOOTPARAMPROG, BOOTPARAMVERS, bootparamprog_1, IPPROTO_UDP))
errx(1, "unable to register (BOOTPARAMPROG, BOOTPARAMVERS, udp)");
svc_run();
errx(1, "svc_run returned");
}
void setup_resolv(bool *fwding, int *child,
CLIENT **client, char *tp_type, long prognum)
{
enum clnt_stat stat;
struct timeval tv;
char prog_str[15], fd_str[5];
SVCXPRT *xprt = NULL;
char *tp;
#ifdef TDRPC
struct sockaddr_in addr;
int sock;
#else
char name[257];
struct netconfig *nc;
void *h;
#endif
verbose = silent == FALSE ? 1 : 0;
if (! *fwding)
return;
#ifdef TDRPC
tp = (tp_type && strcmp(tp_type, "udp") != 0) ? "udp" : "tcp";
#else
/* try the specified netid (default ticots), then any loopback */
tp = (tp_type && *tp_type) ? tp_type : "ticots";
if (!getconf(tp, &h, &nc)) { /* dont forget endnetconfig() */
syslog(LOG_ERR, "can't get resolv_clnt netconf %s.\n", tp);
*fwding = FALSE;
return;
}
tp = nc->nc_netid;
#endif
/*
* Startup the resolv server: use transient prognum if prognum
* isn't set. Using transient means we create mapping then
* pass child the fd to use for service.
*/
if (!getprognum(&prognum, &xprt, fd_str, prog_str, YPDNSVERS, tp)) {
syslog(LOG_ERR, "can't create resolv xprt for transient.\n");
*fwding = FALSE;
#ifndef TDRPC
endnetconfig(h);
#endif
return;
}
switch (*child = vfork()) {
case -1: /* error */
syslog(LOG_ERR, "can't startup resolv daemon\n");
#ifndef TDRPC
endnetconfig(h);
#endif
*fwding = FALSE;
return;
case 0: /* child */
/*
* if using transient we must maintain fd across
* exec cause unset/set on prognum isn't automic.
*
* if using transient we'll just do svc_tli_create
* in child on our bound fd.
*/
execlp(RESOLV_EXEC_PATH, "rpc.nisd_resolv",
"-F", /* forground */
"-C", fd_str, /* dont close */
"-p", prog_str, /* prognum */
"-t", tp, /* tp type */
NULL);
syslog(LOG_ERR, RESOLV_EXEC_ERR, strerror(errno));
exit(1);
default: /* parent */
/* close fd, free xprt, but leave mapping */
if (xprt)
svc_destroy(xprt);
/* let it crank up before we create client */
sleep(4);
}
#ifdef TDRPC
get_myaddress(&addr);
addr.sin_port = 0;
sock = RPC_ANYSOCK;
tv.tv_sec = 3; tv.tv_usec = 0;
if (strcmp(tp, "udp") != 0) {
*client = clntudp_bufcreate(&addr, prognum, YPDNSVERS,
tv, &sock, YPMSGSZ, YPMSGSZ);
} else {
*client = clnttcp_create(&addr, prognum, YPDNSVERS,
&sock, YPMSGSZ, YPMSGSZ);
}
if (*client == NULL) {
syslog(LOG_ERR, "can't create resolv client handle.\n");
(void) kill (*child, SIGINT);
*fwding = FALSE;
return;
}
#else
if (sysinfo(SI_HOSTNAME, name, sizeof (name)-1) == -1) {
syslog(LOG_ERR, "can't get local hostname.\n");
(void) kill (*child, SIGINT);
endnetconfig(h);
*fwding = FALSE;
return;
}
if ((*client = clnt_tp_create(HOST_SELF_CONNECT, prognum,
YPDNSVERS, nc)) == NULL) {
syslog(LOG_ERR, "can't create resolv_clnt\n");
(void) kill (*child, SIGINT);
endnetconfig(h);
*fwding = FALSE;
return;
}
endnetconfig(h);
#endif
/* ping for comfort */
tv.tv_sec = 10; tv.tv_usec = 0;
if ((stat = clnt_call(*client, 0, xdr_void, 0,
xdr_void, 0, tv)) != RPC_SUCCESS) {
syslog(LOG_ERR, "can't talk with resolv server\n");
clnt_destroy (*client);
(void) kill (*child, SIGINT);
*fwding = FALSE;
return;
}
if (verbose)
syslog(LOG_INFO, "finished setup for dns fwding.\n");
}
