* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
-#include "config.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
-#include "xmalloc.h"
+
#include "misc.h"
#include "exportfs.h"
#include "xio.h"
#include "mountd.h"
+#include "ha-callout.h"
#include <limits.h> /* PATH_MAX */
+#include <errno.h>
+
+extern int reverse_resolve;
/* If new path is a link do not destroy it but place the
* file where the link points.
}
void
-mountlist_add(nfs_export *exp, const char *path)
+mountlist_add(char *host, const char *path)
{
struct rmtabent xe;
struct rmtabent *rep;
int lockid;
long pos;
- if ((lockid = xflock(_PATH_RMTAB, "a")) < 0)
+ if ((lockid = xflock(_PATH_RMTABLCK, "a")) < 0)
return;
setrmtabent("r+");
while ((rep = getrmtabent(1, &pos)) != NULL) {
if (strcmp (rep->r_client,
- exp->m_client->m_hostname) == 0
+ host) == 0
&& strcmp(rep->r_path, path) == 0) {
rep->r_count++;
+ /* PRC: do the HA callout: */
+ ha_callout("mount", rep->r_client, rep->r_path, rep->r_count);
putrmtabent(rep, &pos);
endrmtabent();
xfunlock(lockid);
}
}
endrmtabent();
- strncpy(xe.r_client, exp->m_client->m_hostname,
+ strncpy(xe.r_client, host,
sizeof (xe.r_client) - 1);
xe.r_client [sizeof (xe.r_client) - 1] = '\0';
strncpy(xe.r_path, path, sizeof (xe.r_path) - 1);
xe.r_path [sizeof (xe.r_path) - 1] = '\0';
xe.r_count = 1;
if (setrmtabent("a")) {
+ /* PRC: do the HA callout: */
+ ha_callout("mount", xe.r_client, xe.r_path, xe.r_count);
putrmtabent(&xe, NULL);
endrmtabent();
}
}
void
-mountlist_del(nfs_export *exp, const char *path)
+mountlist_del(char *hname, const char *path)
{
struct rmtabent *rep;
FILE *fp;
- char *hname = exp->m_client->m_hostname;
int lockid;
int match;
- if ((lockid = xflock(_PATH_RMTAB, "w")) < 0)
+ if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0)
return;
if (!setrmtabent("r")) {
xfunlock(lockid);
while ((rep = getrmtabent(1, NULL)) != NULL) {
match = !strcmp (rep->r_client, hname)
&& !strcmp(rep->r_path, path);
- if (match)
+ if (match) {
rep->r_count--;
+ /* PRC: do the HA callout: */
+ ha_callout("unmount", rep->r_client, rep->r_path, rep->r_count);
+ }
if (!match || rep->r_count)
fputrmtabent(fp, rep, NULL);
}
}
void
-mountlist_del_all(struct sockaddr_in *sin)
+mountlist_del_all(const struct sockaddr *sap)
{
- struct in_addr addr = sin->sin_addr;
- struct hostent *hp;
+ char *hostname;
struct rmtabent *rep;
- nfs_export *exp;
FILE *fp;
int lockid;
- if ((lockid = xflock(_PATH_RMTAB, "w")) < 0)
- return;
- if (!(hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET))) {
- xlog(L_ERROR, "can't get hostname of %s", inet_ntoa(addr));
- xfunlock(lockid);
+ if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0)
return;
+ hostname = host_canonname(sap);
+ if (hostname == NULL) {
+ char buf[INET6_ADDRSTRLEN];
+ xlog(L_ERROR, "can't get hostname of %s",
+ host_ntop(sap, buf, sizeof(buf)));
+ goto out_unlock;
}
- else
- hp = hostent_dup (hp);
- if (!setrmtabent("r")) {
- xfunlock(lockid);
- free (hp);
- return;
- }
- if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w"))) {
- endrmtabent();
- xfunlock(lockid);
- free (hp);
- return;
- }
+ if (!setrmtabent("r"))
+ goto out_free;
+
+ if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w")))
+ goto out_close;
+
while ((rep = getrmtabent(1, NULL)) != NULL) {
- if (strcmp(rep->r_client, hp->h_name) == 0 &&
- (exp = auth_authenticate("umountall", sin, rep->r_path))) {
- export_reset(exp);
+ if (strcmp(rep->r_client, hostname) == 0 &&
+ auth_authenticate("umountall", sap, rep->r_path) != NULL)
continue;
- }
fputrmtabent(fp, rep, NULL);
}
if (slink_safe_rename(_PATH_RMTABTMP, _PATH_RMTAB) < 0) {
xlog(L_ERROR, "couldn't rename %s to %s",
_PATH_RMTABTMP, _PATH_RMTAB);
}
- endrmtabent(); /* close & unlink */
fendrmtabent(fp);
+out_close:
+ endrmtabent(); /* close & unlink */
+out_free:
+ free(hostname);
+out_unlock:
xfunlock(lockid);
- free (hp);
+}
+
+static void
+mountlist_freeall(mountlist list)
+{
+ while (list != NULL) {
+ mountlist m = list;
+ list = m->ml_next;
+ free(m->ml_hostname);
+ free(m->ml_directory);
+ free(m);
+ }
}
mountlist
struct stat stb;
int lockid;
- if ((lockid = xflock(_PATH_RMTAB, "r")) < 0)
+ if ((lockid = xflock(_PATH_RMTABLCK, "r")) < 0)
return NULL;
if (stat(_PATH_RMTAB, &stb) < 0) {
- xlog(L_ERROR, "can't stat %s", _PATH_RMTAB);
+ xlog(L_ERROR, "can't stat %s: %s",
+ _PATH_RMTAB, strerror(errno));
+ xfunlock(lockid);
return NULL;
}
if (stb.st_mtime != last_mtime) {
- while (mlist) {
- mlist = (m = mlist)->ml_next;
- xfree(m->ml_hostname);
- xfree(m->ml_directory);
- xfree(m);
- }
+ mountlist_freeall(mlist);
last_mtime = stb.st_mtime;
setrmtabent("r");
while ((rep = getrmtabent(1, NULL)) != NULL) {
- m = (mountlist) xmalloc(sizeof(*m));
- m->ml_hostname = xstrdup(rep->r_client);
- m->ml_directory = xstrdup(rep->r_path);
+ m = calloc(1, sizeof(*m));
+ if (m == NULL) {
+ mountlist_freeall(mlist);
+ mlist = NULL;
+ xlog(L_ERROR, "%s: memory allocation failed",
+ __func__);
+ break;
+ }
+
+ if (reverse_resolve) {
+ struct addrinfo *ai;
+ ai = host_pton(rep->r_client);
+ if (ai != NULL) {
+ m->ml_hostname = host_canonname(ai->ai_addr);
+ freeaddrinfo(ai);
+ }
+ }
+ if (m->ml_hostname == NULL)
+ m->ml_hostname = strdup(rep->r_client);
+
+ m->ml_directory = strdup(rep->r_path);
+
+ if (m->ml_hostname == NULL || m->ml_directory == NULL) {
+ mountlist_freeall(mlist);
+ mlist = NULL;
+ xlog(L_ERROR, "%s: memory allocation failed",
+ __func__);
+ break;
+ }
+
m->ml_next = mlist;
mlist = m;
}
projects / nfs-utils.git / blobdiff