/* Example program using the lowlevel raw broadcast interface.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
-#include <stdio.h>
+#ifdef WIN32
+#include "win32_compat.h"
+#endif
+
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
+
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <poll.h>
#include <errno.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
+
+#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
+#endif
+
+#ifdef HAVE_NET_IF_H
#include <net/if.h>
+#endif
+
+#ifdef HAVE_NETDB_H
#include <netdb.h>
+#endif
+
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
#include "libnfs.h"
#include "libnfs-raw.h"
+#include "libnfs-private.h"
#include "libnfs-raw-mount.h"
#include "libnfs-raw-portmap.h"
-#include "libnfs-private.h"
-void pm_cb(struct rpc_context *rpc _U_, int status, void *data, void *private_data _U_)
+struct nfs_list_data {
+ int status;
+ struct nfs_server_list *srvrs;
+};
+
+void free_nfs_srvr_list(struct nfs_server_list *srv)
+{
+ while (srv != NULL) {
+ struct nfs_server_list *next = srv->next;
+
+ free(srv->addr);
+ free(srv);
+ srv = next;
+ }
+}
+
+void pm_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data)
{
- pmap_call_result *res = (pmap_call_result *)data;
+ struct nfs_list_data *srv_data = private_data;
struct sockaddr *sin;
char hostdd[16];
+ struct nfs_server_list *srvr;
if (status == RPC_STATUS_CANCEL) {
return;
}
if (status != 0) {
- printf("callback for CALLIT failed\n");
- exit(10);
+ srv_data->status = -1;
+ return;
}
sin = rpc_get_recv_sockaddr(rpc);
if (sin == NULL) {
- printf("failed to get sockaddr for received pdu\n");
- exit(10);
+ rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback");
+ srv_data->status = -1;
+ return;
}
if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) {
- printf("getnameinfo failed\n");
- exit(10);
+ rpc_set_error(rpc, "getnameinfo failed in CALLIT callback");
+ srv_data->status = -1;
+ return;
+ }
+
+
+ srvr = malloc(sizeof(struct nfs_server_list));
+ if (srvr == NULL) {
+ rpc_set_error(rpc, "Malloc failed when allocating server structure");
+ srv_data->status = -1;
+ return;
}
- printf("NFS server at %s\n", hostdd);
+ srvr->addr = strdup(hostdd);
+ if (srvr->addr == NULL) {
+ rpc_set_error(rpc, "Strdup failed when allocating server structure");
+ free(srvr);
+ srv_data->status = -1;
+ return;
+ }
+
+ srvr->next = srv_data->srvrs;
+ srv_data->srvrs = srvr;
}
int main(int argc _U_, char *argv[] _U_)
struct rpc_context *rpc;
struct pollfd pfd;
struct ifconf ifc;
- int i, size;
+ int size;
struct timeval tv_start, tv_current;
+ struct nfs_list_data data = {0, NULL};
+ struct nfs_server_list *srvr;
+ char *ptr;
rpc = rpc_init_udp_context();
if (rpc == NULL) {
ifc.ifc_buf = NULL;
ifc.ifc_len = size;
- while (ifc.ifc_len == size) {
+ while(ifc.ifc_len > (size - sizeof(struct ifreq))) {
size *= 2;
free(ifc.ifc_buf);
ifc.ifc_len = size;
ifc.ifc_buf = malloc(size);
+ memset(ifc.ifc_buf, 0, size);
if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) {
printf("ioctl SIOCGIFCONF failed\n");
exit(10);
}
}
- for (i=0; i<ifc.ifc_len / sizeof(struct ifconf); i++) {
+ for (ptr =(char *)ifc.ifc_buf; ptr < ((char *)ifc.ifc_buf) + ifc.ifc_len; ) {
+ struct ifreq *ifr;
char bcdd[16];
- if (ifc.ifc_req[i].ifr_addr.sa_family != AF_INET) {
+ ifr = (struct ifreq *)ptr;
+#ifdef HAVE_SOCKADDR_LEN
+ if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) {
+ ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len;
+ } else {
+ ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr);
+ }
+#else
+ ptr += sizeof(struct ifreq);
+#endif
+
+ if (ifr->ifr_addr.sa_family != AF_INET) {
continue;
}
- if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, &ifc.ifc_req[i]) < 0) {
+ if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) {
printf("ioctl DRBADDR failed\n");
exit(10);
}
- if (!(ifc.ifc_req[i].ifr_flags & IFF_UP)) {
+ if (!(ifr->ifr_flags & IFF_UP)) {
continue;
}
- if (ifc.ifc_req[i].ifr_flags & IFF_LOOPBACK) {
+ if (ifr->ifr_flags & IFF_LOOPBACK) {
continue;
}
- if (!(ifc.ifc_req[i].ifr_flags & IFF_BROADCAST)) {
+ if (!(ifr->ifr_flags & IFF_BROADCAST)) {
continue;
}
- if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, &ifc.ifc_req[i]) < 0) {
- printf("ioctl DRBADDR failed\n");
- exit(10);
+ if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) {
+ continue;
}
- if (getnameinfo(&ifc.ifc_req[i].ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) {
- printf("getnameinfo failed\n");
- exit(10);
+ if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) {
+ continue;
}
if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) {
printf("failed to set udp destination %s\n", rpc_get_error(rpc));
exit(10);
}
- if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, pm_cb, NULL) < 0) {
+ if (rpc_pmap2_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, pm_cb, &data) < 0) {
printf("Failed to set up callit function\n");
exit(10);
}
}
}
+ for (srvr=data.srvrs; srvr; srvr = srvr->next) {
+ printf("NFS SERVER @ %s\n", srvr->addr);
+ }
+ free_nfs_srvr_list(data.srvrs);
+
rpc_destroy_context(rpc);
rpc=NULL;
return 0;
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