am_ops *
ops_match(am_opts *fo, char *key, char *g_key, char *path, char *keym,
char *map)
{
am_ops **vp;
am_ops *rop = 0;
/*
* First crack the global opts and the local opts
*/
if (!eval_fs_opts(fo, key, g_key, path, keym, map)) {
rop = &efs_ops;
} else if (fo->opt_type == 0) {
plog(XLOG_USER, "No fs type specified (key = \"%s\", map = \"%s\")", keym, map);
rop = &efs_ops;
} else {
/*
* Next find the correct filesystem type
*/
for (vp = vops; (rop = *vp); vp++)
if (strcmp(rop->fs_type, fo->opt_type) == 0)
break;
if (!rop) {
plog(XLOG_USER, "fs type \"%s\" not recognised", fo->opt_type);
rop = &efs_ops;
}
}
/*
* Make sure we have a default mount option.
* Otherwise skip past any leading '-'.
*/
if (fo->opt_opts == 0)
fo->opt_opts = "rw,defaults";
else if (*fo->opt_opts == '-')
fo->opt_opts++;
/*
* Check the filesystem is happy
*/
if (fo->fs_mtab)
free((void *)fo->fs_mtab);
if ((fo->fs_mtab = (*rop->fs_match)(fo)))
return rop;
/*
* Return error file system
*/
fo->fs_mtab = (*efs_ops.fs_match)(fo);
return &efs_ops;
}
am_ops *
ops_match(am_opts *fo, char *key, char *g_key, char *path, char *keym, char *map)
{
am_ops *rop = NULL;
char *link_dir;
/*
* First crack the global opts and the local opts
*/
if (!eval_fs_opts(fo, key, g_key, path, keym, map)) {
rop = &amfs_error_ops;
} else if (fo->opt_type == 0) {
plog(XLOG_USER, "No fs type specified (key = \"%s\", map = \"%s\")", keym, map);
rop = &amfs_error_ops;
} else {
/*
* Next find the correct filesystem type
*/
rop = ops_search(fo->opt_type);
if (!rop) {
plog(XLOG_USER, "fs type \"%s\" not recognized", fo->opt_type);
rop = &amfs_error_ops;
}
}
/*
* Make sure we have a default mount option.
* Otherwise skip past any leading '-'.
*/
if (fo->opt_opts == 0)
fo->opt_opts = strdup("rw,defaults");
else if (*fo->opt_opts == '-') {
/*
* We cannot simply do fo->opt_opts++ here since the opts
* module will try to free the pointer fo->opt_opts later.
* So just reallocate the thing -- stolcke 11/11/94
*/
char *old = fo->opt_opts;
fo->opt_opts = strdup(old + 1);
XFREE(old);
}
/*
* If addopts option was used, then append it to the
* current options and remote mount options.
*/
if (fo->opt_addopts) {
if (STREQ(fo->opt_opts, fo->opt_remopts)) {
/* optimize things for the common case where opts==remopts */
char *mergedstr;
mergedstr = merge_opts(fo->opt_opts, fo->opt_addopts);
plog(XLOG_INFO, "merge rem/opts \"%s\" add \"%s\" => \"%s\"",
fo->opt_opts, fo->opt_addopts, mergedstr);
XFREE(fo->opt_opts);
XFREE(fo->opt_remopts);
fo->opt_opts = mergedstr;
fo->opt_remopts = strdup(mergedstr);
} else {
char *mergedstr, *remmergedstr;
mergedstr = merge_opts(fo->opt_opts, fo->opt_addopts);
plog(XLOG_INFO, "merge opts \"%s\" add \"%s\" => \"%s\"",
fo->opt_opts, fo->opt_addopts, mergedstr);
XFREE(fo->opt_opts);
fo->opt_opts = mergedstr;
remmergedstr = merge_opts(fo->opt_remopts, fo->opt_addopts);
plog(XLOG_INFO, "merge remopts \"%s\" add \"%s\" => \"%s\"",
fo->opt_remopts, fo->opt_addopts, remmergedstr);
XFREE(fo->opt_remopts);
fo->opt_remopts = remmergedstr;
}
}
/*
* Initialize opt_mount_type to "nfs", if it's not initialized already
*/
if (!fo->opt_mount_type)
fo->opt_mount_type = "nfs";
/* Normalize the sublink and make it absolute */
link_dir = fo->opt_sublink;
if (link_dir && link_dir[0] && link_dir[0] != '/') {
link_dir = str3cat((char *) NULL, fo->opt_fs, "/", link_dir);
normalize_slash(link_dir);
XFREE(fo->opt_sublink);
fo->opt_sublink = link_dir;
}
/*
* Check the filesystem is happy
*/
if (fo->fs_mtab)
XFREE(fo->fs_mtab);
fo->fs_mtab = rop->fs_match(fo);
if (fo->fs_mtab)
return rop;
/*
* Return error file system
*/
fo->fs_mtab = amfs_error_ops.fs_match(fo);
return &amfs_error_ops;
}
