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-rwxr-xr-xlibglusterfsclient/src/libglusterfsclient.c64
1 files changed, 55 insertions, 9 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index 456323778fa..9f8a8a15e8e 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -1792,21 +1792,49 @@ libgf_resolved_path_handle (const char *path, char *vpath)
char *respath = NULL;
struct vmp_entry *entry = NULL;
glusterfs_handle_t handle = NULL;
+ char *tmp = NULL;
if ((!path) || (!vpath))
return NULL;
- respath = libgf_resolve_path_light ((char *)path);
- if (respath == NULL) {
- return NULL;
+ /* We only want compaction before VMP entry search because the
+ * VMP cannot be search unless we have an absolute path.
+ * For absolute paths, we search for VMP first, then perform the
+ * path compaction on the given virtual path.
+ */
+ if (!libgf_path_absolute (path)) {
+ respath = libgf_resolve_path_light ((char *)path);
+ if (respath == NULL)
+ return NULL;
}
- entry = libgf_vmp_search_entry (respath);
- if (!entry)
- goto free_respath;
-
- if (!libgf_vmp_virtual_path (entry, respath, vpath))
- goto free_respath;
+ /* This condition is needed because in case of absolute paths, the path
+ * would already include the VMP and we want to ensure that any path
+ * compaction that happens does not exclude the VMP. In the absence of
+ * this condition an absolute path might get compacted to "/", i.e.
+ * exclude the VMP, and the search will fail.
+ *
+ * For relative paths, respath will aleady include a potential VMP
+ * as a consequence of us prepending the CWD in resolve_light above.
+ */
+ if (libgf_path_absolute (path)) {
+ entry = libgf_vmp_search_entry ((char *)path);
+ if (!entry)
+ goto free_respath;
+ tmp = libgf_vmp_virtual_path (entry, path, vpath);
+ if (!tmp)
+ goto free_respath;
+
+ respath = libgf_resolve_path_light (vpath);
+ strcpy (vpath, respath);
+ } else {
+ entry = libgf_vmp_search_entry (respath);
+ if (!entry)
+ goto free_respath;
+ tmp = libgf_vmp_virtual_path (entry, respath, vpath);
+ if (!tmp)
+ goto free_respath;
+ }
handle = entry->handle;
free_respath:
@@ -7348,6 +7376,7 @@ glusterfs_realpath (const char *path, char *resolved_path)
char *res = NULL;
char vpath[PATH_MAX];
glusterfs_handle_t h = NULL;
+ char *realp = NULL;
GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, path, out);
@@ -7359,13 +7388,30 @@ glusterfs_realpath (const char *path, char *resolved_path)
goto out;
}
+ realp = CALLOC (PATH_MAX, sizeof (char));
+ if (!realp)
+ goto out;
+
+ libgf_vmp_search_vmp (h, realp, PATH_MAX);
res = glusterfs_glh_realpath (h, vpath, resolved_path);
if (!res)
goto out;
+ /* This copy is needed to ensure that when we return the real resolved
+ * path, we return a path that accounts for the app's view of the
+ * path, i.e. it starts with the VMP, in case this is an absolute path.
+ */
+ if (libgf_path_absolute (path)) {
+ strcat (realp, resolved_path);
+ strcpy (resolved_path, realp);
+ }
+
gf_log (LIBGF_XL_NAME, GF_LOG_DEBUG, "path %s, resolved %s", path,
resolved_path);
out:
+ if (realp)
+ FREE (realp);
+
return res;
}