diff options
Diffstat (limited to 'libglusterfsclient/src/libglusterfsclient.c')
-rwxr-xr-x | libglusterfsclient/src/libglusterfsclient.c | 64 |
1 files changed, 55 insertions, 9 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c index 456323778..9f8a8a15e 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; } |