* nfsd library functions.
*/
int nfsctl(int, struct nfsctl_arg *, union nfsctl_res *);
-int nfssvc(int port, int nrservs, unsigned int versbits, int minorvers4, unsigned int portbits, char *haddr);
int nfsaddclient(struct nfsctl_client *clp);
int nfsdelclient(struct nfsctl_client *clp);
int nfsexport(struct nfsctl_export *exp);
noinst_LIBRARIES = libnfs.a
libnfs_a_SOURCES = exports.c rmtab.c xio.c rpcmisc.c rpcdispatch.c \
- xlog.c xcommon.c wildmat.c nfssvc.c nfsclient.c \
+ xlog.c xcommon.c wildmat.c nfsclient.c \
nfsexport.c getfh.c nfsctl.c rpc_socket.c getport.c \
svc_socket.c cacheio.c closeall.c nfs_mntent.c
+++ /dev/null
-/*
- * support/nfs/nfssvc.c
- *
- * Run an NFS daemon.
- *
- * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <syslog.h>
-
-
-#include "nfslib.h"
-
-#define NFSD_PORTS_FILE "/proc/fs/nfsd/portlist"
-#define NFSD_VERS_FILE "/proc/fs/nfsd/versions"
-#define NFSD_THREAD_FILE "/proc/fs/nfsd/threads"
-
-static void
-nfssvc_setfds(int port, unsigned int ctlbits, char *haddr)
-{
- int fd, n, on=1;
- char buf[BUFSIZ];
- int udpfd = -1, tcpfd = -1;
- struct sockaddr_in sin;
-
- fd = open(NFSD_PORTS_FILE, O_RDONLY);
- if (fd < 0)
- return;
- n = read(fd, buf, BUFSIZ);
- close(fd);
- if (n != 0)
- return;
- /* there are no ports currently open, so it is safe to
- * try to open some and pass them through.
- * Note: If the user explicitly asked for 'udp', then
- * we should probably check if that is open, and should
- * open it if not. However we don't yet. All sockets
- * have to be opened when the first daemon is started.
- */
- fd = open(NFSD_PORTS_FILE, O_WRONLY);
- if (fd < 0)
- return;
- sin.sin_family = AF_INET;
- sin.sin_port = htons(port);
- sin.sin_addr.s_addr = inet_addr(haddr);
-
- if (NFSCTL_UDPISSET(ctlbits)) {
- udpfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (udpfd < 0) {
- syslog(LOG_ERR, "nfssvc: unable to create UPD socket: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- if (bind(udpfd, (struct sockaddr *)&sin, sizeof(sin)) < 0){
- syslog(LOG_ERR, "nfssvc: unable to bind UPD socket: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- }
-
- if (NFSCTL_TCPISSET(ctlbits)) {
- tcpfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if (tcpfd < 0) {
- syslog(LOG_ERR, "nfssvc: unable to createt tcp socket: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- if (setsockopt(tcpfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0) {
- syslog(LOG_ERR, "nfssvc: unable to set SO_REUSEADDR: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- if (bind(tcpfd, (struct sockaddr *)&sin, sizeof(sin)) < 0){
- syslog(LOG_ERR, "nfssvc: unable to bind TCP socket: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- if (listen(tcpfd, 64) < 0){
- syslog(LOG_ERR, "nfssvc: unable to create listening socket: "
- "errno %d (%s)\n", errno, strerror(errno));
- exit(1);
- }
- }
- if (udpfd >= 0) {
- snprintf(buf, BUFSIZ,"%d\n", udpfd);
- if (write(fd, buf, strlen(buf)) != strlen(buf)) {
- syslog(LOG_ERR,
- "nfssvc: writing fds to kernel failed: errno %d (%s)",
- errno, strerror(errno));
- }
- close(fd);
- fd = -1;
- }
- if (tcpfd >= 0) {
- if (fd < 0)
- fd = open(NFSD_PORTS_FILE, O_WRONLY);
- snprintf(buf, BUFSIZ,"%d\n", tcpfd);
- if (write(fd, buf, strlen(buf)) != strlen(buf)) {
- syslog(LOG_ERR,
- "nfssvc: writing fds to kernel failed: errno %d (%s)",
- errno, strerror(errno));
- }
- }
- close(fd);
-
- return;
-}
-static void
-nfssvc_versbits(unsigned int ctlbits, int minorvers4)
-{
- int fd, n, off;
- char buf[BUFSIZ], *ptr;
-
- ptr = buf;
- off = 0;
- fd = open(NFSD_VERS_FILE, O_WRONLY);
- if (fd < 0)
- return;
-
- for (n = NFSD_MINVERS; n <= NFSD_MAXVERS; n++) {
- if (NFSCTL_VERISSET(ctlbits, n))
- off += snprintf(ptr+off, BUFSIZ - off, "+%d ", n);
- else
- off += snprintf(ptr+off, BUFSIZ - off, "-%d ", n);
- }
- n = minorvers4 >= 0 ? minorvers4 : -minorvers4;
- if (n >= NFSD_MINMINORVERS4 && n <= NFSD_MAXMINORVERS4)
- off += snprintf(ptr+off, BUFSIZ - off, "%c4.%d",
- minorvers4 > 0 ? '+' : '-',
- n);
- snprintf(ptr+off, BUFSIZ - off, "\n");
- if (write(fd, buf, strlen(buf)) != strlen(buf)) {
- syslog(LOG_ERR, "nfssvc: Setting version failed: errno %d (%s)",
- errno, strerror(errno));
- }
- close(fd);
-
- return;
-}
-int
-nfssvc(int port, int nrservs, unsigned int versbits, int minorvers4,
- unsigned protobits, char *haddr)
-{
- struct nfsctl_arg arg;
- int fd;
-
- /* Note: must set versions before fds so that
- * the ports get registered with portmap against correct
- * versions
- */
- nfssvc_versbits(versbits, minorvers4);
- nfssvc_setfds(port, protobits, haddr);
-
- fd = open(NFSD_THREAD_FILE, O_WRONLY);
- if (fd < 0)
- fd = open("/proc/fs/nfs/threads", O_WRONLY);
- if (fd >= 0) {
- /* 2.5+ kernel with nfsd filesystem mounted.
- * Just write the number in.
- * Cannot handle port number yet, but does anyone care?
- */
- char buf[20];
- int n;
- snprintf(buf, 20,"%d\n", nrservs);
- n = write(fd, buf, strlen(buf));
- close(fd);
- if (n != strlen(buf))
- return -1;
- else
- return 0;
- }
-
- arg.ca_version = NFSCTL_VERSION;
- arg.ca_svc.svc_nthreads = nrservs;
- arg.ca_svc.svc_port = port;
- return nfsctl(NFSCTL_SVC, &arg, NULL);
-}
KPREFIX = @kprefix@
sbin_PROGRAMS = nfsd
-nfsd_SOURCES = nfsd.c
-nfsd_LDADD = ../../support/export/libexport.a \
- ../../support/nfs/libnfs.a \
- ../../support/misc/libmisc.a
+nfsd_SOURCES = nfsd.c nfssvc.c
+nfsd_LDADD = ../../support/nfs/libnfs.a
MAINTAINERCLEANFILES = Makefile.in
#include <arpa/inet.h>
#include "nfslib.h"
+#include "nfssvc.h"
static void usage(const char *);
--- /dev/null
+/*
+ * utils/nfsd/nfssvc.c
+ *
+ * Run an NFS daemon.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <syslog.h>
+
+
+#include "nfslib.h"
+
+#define NFSD_PORTS_FILE "/proc/fs/nfsd/portlist"
+#define NFSD_VERS_FILE "/proc/fs/nfsd/versions"
+#define NFSD_THREAD_FILE "/proc/fs/nfsd/threads"
+
+static void
+nfssvc_setfds(int port, unsigned int ctlbits, char *haddr)
+{
+ int fd, n, on=1;
+ char buf[BUFSIZ];
+ int udpfd = -1, tcpfd = -1;
+ struct sockaddr_in sin;
+
+ fd = open(NFSD_PORTS_FILE, O_RDONLY);
+ if (fd < 0)
+ return;
+ n = read(fd, buf, BUFSIZ);
+ close(fd);
+ if (n != 0)
+ return;
+ /* there are no ports currently open, so it is safe to
+ * try to open some and pass them through.
+ * Note: If the user explicitly asked for 'udp', then
+ * we should probably check if that is open, and should
+ * open it if not. However we don't yet. All sockets
+ * have to be opened when the first daemon is started.
+ */
+ fd = open(NFSD_PORTS_FILE, O_WRONLY);
+ if (fd < 0)
+ return;
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons(port);
+ sin.sin_addr.s_addr = inet_addr(haddr);
+
+ if (NFSCTL_UDPISSET(ctlbits)) {
+ udpfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (udpfd < 0) {
+ syslog(LOG_ERR, "nfssvc: unable to create UPD socket: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ if (bind(udpfd, (struct sockaddr *)&sin, sizeof(sin)) < 0){
+ syslog(LOG_ERR, "nfssvc: unable to bind UPD socket: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ }
+
+ if (NFSCTL_TCPISSET(ctlbits)) {
+ tcpfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (tcpfd < 0) {
+ syslog(LOG_ERR, "nfssvc: unable to createt tcp socket: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ if (setsockopt(tcpfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0) {
+ syslog(LOG_ERR, "nfssvc: unable to set SO_REUSEADDR: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ if (bind(tcpfd, (struct sockaddr *)&sin, sizeof(sin)) < 0){
+ syslog(LOG_ERR, "nfssvc: unable to bind TCP socket: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ if (listen(tcpfd, 64) < 0){
+ syslog(LOG_ERR, "nfssvc: unable to create listening socket: "
+ "errno %d (%s)\n", errno, strerror(errno));
+ exit(1);
+ }
+ }
+ if (udpfd >= 0) {
+ snprintf(buf, BUFSIZ,"%d\n", udpfd);
+ if (write(fd, buf, strlen(buf)) != strlen(buf)) {
+ syslog(LOG_ERR,
+ "nfssvc: writing fds to kernel failed: errno %d (%s)",
+ errno, strerror(errno));
+ }
+ close(fd);
+ fd = -1;
+ }
+ if (tcpfd >= 0) {
+ if (fd < 0)
+ fd = open(NFSD_PORTS_FILE, O_WRONLY);
+ snprintf(buf, BUFSIZ,"%d\n", tcpfd);
+ if (write(fd, buf, strlen(buf)) != strlen(buf)) {
+ syslog(LOG_ERR,
+ "nfssvc: writing fds to kernel failed: errno %d (%s)",
+ errno, strerror(errno));
+ }
+ }
+ close(fd);
+
+ return;
+}
+static void
+nfssvc_versbits(unsigned int ctlbits, int minorvers4)
+{
+ int fd, n, off;
+ char buf[BUFSIZ], *ptr;
+
+ ptr = buf;
+ off = 0;
+ fd = open(NFSD_VERS_FILE, O_WRONLY);
+ if (fd < 0)
+ return;
+
+ for (n = NFSD_MINVERS; n <= NFSD_MAXVERS; n++) {
+ if (NFSCTL_VERISSET(ctlbits, n))
+ off += snprintf(ptr+off, BUFSIZ - off, "+%d ", n);
+ else
+ off += snprintf(ptr+off, BUFSIZ - off, "-%d ", n);
+ }
+ n = minorvers4 >= 0 ? minorvers4 : -minorvers4;
+ if (n >= NFSD_MINMINORVERS4 && n <= NFSD_MAXMINORVERS4)
+ off += snprintf(ptr+off, BUFSIZ - off, "%c4.%d",
+ minorvers4 > 0 ? '+' : '-',
+ n);
+ snprintf(ptr+off, BUFSIZ - off, "\n");
+ if (write(fd, buf, strlen(buf)) != strlen(buf)) {
+ syslog(LOG_ERR, "nfssvc: Setting version failed: errno %d (%s)",
+ errno, strerror(errno));
+ }
+ close(fd);
+
+ return;
+}
+int
+nfssvc(int port, int nrservs, unsigned int versbits, int minorvers4,
+ unsigned protobits, char *haddr)
+{
+ struct nfsctl_arg arg;
+ int fd;
+
+ /* Note: must set versions before fds so that
+ * the ports get registered with portmap against correct
+ * versions
+ */
+ nfssvc_versbits(versbits, minorvers4);
+ nfssvc_setfds(port, protobits, haddr);
+
+ fd = open(NFSD_THREAD_FILE, O_WRONLY);
+ if (fd < 0)
+ fd = open("/proc/fs/nfs/threads", O_WRONLY);
+ if (fd >= 0) {
+ /* 2.5+ kernel with nfsd filesystem mounted.
+ * Just write the number in.
+ * Cannot handle port number yet, but does anyone care?
+ */
+ char buf[20];
+ int n;
+ snprintf(buf, 20,"%d\n", nrservs);
+ n = write(fd, buf, strlen(buf));
+ close(fd);
+ if (n != strlen(buf))
+ return -1;
+ else
+ return 0;
+ }
+
+ arg.ca_version = NFSCTL_VERSION;
+ arg.ca_svc.svc_nthreads = nrservs;
+ arg.ca_svc.svc_port = port;
+ return nfsctl(NFSCTL_SVC, &arg, NULL);
+}
projects / nfs-utils.git / commitdiff