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pvfs_resolve: add pvfs_resolve_name_handle()

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metze
This commit is contained in:
Stefan Metzmacher 2008-02-28 12:14:17 +01:00
parent 09985b061a
commit 714717253c
1 changed files with 80 additions and 0 deletions
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80
source/ntvfs/posix/pvfs_resolve.c
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@ -623,6 +623,86 @@ NTSTATUS pvfs_resolve_name_fd(struct pvfs_state *pvfs, int fd,
return pvfs_fill_dos_info(pvfs, name, fd);
}
/*
fill in the pvfs_filename info for an open file, given the current
info for a (possibly) non-open file. This is used by places that need
to update the pvfs_filename stat information, and the path
after a possible rename on a different handle.
*/
NTSTATUS pvfs_resolve_name_handle(struct pvfs_state *pvfs,
struct pvfs_file_handle *h)
{
NTSTATUS status;
if (h->have_opendb_entry) {
struct odb_lock *lck;
const char *name = NULL;
lck = odb_lock(h, h->pvfs->odb_context, &h->odb_locking_key);
if (lck == NULL) {
DEBUG(0,("%s: failed to lock file '%s' in opendb\n",
__FUNCTION__, h->name->full_name));
/* we were supposed to do a blocking lock, so something
is badly wrong! */
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
status = odb_get_path(lck, &name);
if (NT_STATUS_IS_OK(status)) {
/*
* This relies an the fact that
* renames of open files are only
* allowed by setpathinfo() and setfileinfo()
* and there're only renames within the same
* directory supported
*/
if (strcmp(h->name->full_name, name) != 0) {
const char *orig_dir;
const char *new_file;
const char *new_orig;
char *delim;
delim = strrchr(name, '/');
if (!delim) {
talloc_free(lck);
return NT_STATUS_INTERNAL_ERROR;
}
new_file = delim + 1;
delim = strrchr(h->name->original_name, '\\');
if (delim) {
delim[0] = '\0';
orig_dir = h->name->original_name;
new_orig = talloc_asprintf(h->name, "%s\\%s",
orig_dir, new_file);
if (!new_orig) {
talloc_free(lck);
return NT_STATUS_NO_MEMORY;
}
} else {
new_orig = talloc_strdup(h->name, new_file);
if (!new_orig) {
talloc_free(lck);
return NT_STATUS_NO_MEMORY;
}
}
talloc_free(h->name->original_name);
talloc_free(h->name->full_name);
h->name->full_name = talloc_steal(h->name, name);
h->name->original_name = new_orig;
}
}
talloc_free(lck);
}
status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
NT_STATUS_NOT_OK_RETURN(status);
return NT_STATUS_OK;
}
/*
resolve the parent of a given name