/*
* mount_afs.c
*
* Module for Linux automountd to "mount" AFS filesystems. We don't bother
* with any of the things "attach" would do (making sure there are tokens,
* subscribing to ops messages if Zephyr is installed), but it works for me.
*
*/
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#define MODULE_MOUNT
#include "automount.h"
#define MODPREFIX "mount(afs): "
int mount_version = AUTOFS_MOUNT_VERSION; /* Required by protocol */
int mount_init(void **context)
{
return 0;
}
int mount_reinit(void **context)
{
return 0;
}
int mount_mount(struct autofs_point *ap, const char *root, const char *name, int name_len,
const char *what, const char *fstype, const char *options, void *context)
{
/* PATH_MAX is allegedly longest path allowed */
char dest[PATH_MAX + 1];
size_t r_len = strlen(root);
size_t d_len = r_len + name_len + 2;
void (*mountlog)(unsigned int, const char*, ...) = &log_debug;
if (ap->flags & MOUNT_FLAG_REMOUNT)
return 0;
if (defaults_get_mount_verbose())
mountlog = &log_info;
if (d_len > PATH_MAX)
return 1;
/* Convert the name to a mount point. */
strcpy(dest, root);
strcat(dest, "/");
strcat(dest, name);
/* remove trailing slash (http://bugs.debian.org/141775) */
if (dest[strlen(dest)-1] == '/')
dest[strlen(dest)-1] = '\0';
mountlog(ap->logopt, MODPREFIX "mounting AFS %s -> %s", dest, what);
return symlink(what, dest); /* Try it. If it fails, return the error. */
}
int mount_done(void *context)
{
return 0;
}