diff options
| -rw-r--r-- | source4/ntvfs/posix/pvfs_fsinfo.c | 94 | ||||
| -rw-r--r-- | source4/ntvfs/posix/vfs_posix.c | 3 | ||||
| -rw-r--r-- | source4/ntvfs/posix/vfs_posix.h | 15 |
3 files changed, 58 insertions, 54 deletions
diff --git a/source4/ntvfs/posix/pvfs_fsinfo.c b/source4/ntvfs/posix/pvfs_fsinfo.c index 3a95ed3ff5..be87599b87 100644 --- a/source4/ntvfs/posix/pvfs_fsinfo.c +++ b/source4/ntvfs/posix/pvfs_fsinfo.c @@ -26,19 +26,62 @@ /* We use libblkid out of e2fsprogs to identify UUID of a volume */ #ifdef HAVE_LIBBLKID -static int blkid_cache_destructor(void * cache_wrap) { - blkid_cache_wrap_t * cache = (blkid_cache_wrap_t *)cache_wrap; - blkid_put_cache(cache->cache); - if(cache->devname) free((void *)cache->devname); - return 0; -} +#include <blkid/blkid.h> +#endif + +static NTSTATUS pvfs_blkid_fs_uuid(struct pvfs_state *pvfs, struct stat *st, struct GUID *uuid) +{ +#ifdef HAVE_LIBBLKID + NTSTATUS status; + char *uuid_value = NULL; + char *devname = NULL; + + devname = blkid_devno_to_devname(st->st_dev); + if (!devname) { + return NT_STATUS_DEVICE_CONFIGURATION_ERROR; + } + + uuid_value = blkid_get_tag_value(NULL, "UUID", devname); + free(devname); + if (!uuid_value) { + return NT_STATUS_DEVICE_CONFIGURATION_ERROR; + } + + status = GUID_from_string(uuid_value, uuid); + free(uuid_value); + if (!NT_STATUS_IS_OK(status)) { + return NT_STATUS_DEVICE_CONFIGURATION_ERROR; + } + return NT_STATUS_OK; +#else + ZERO_STRUCTP(uuid); + return NT_STATUS_OK; #endif +} + +static NTSTATUS pvfs_cache_base_fs_uuid(struct pvfs_state *pvfs, struct stat *st) +{ + NTSTATUS status; + struct GUID uuid; + + if (pvfs->base_fs_uuid) return NT_STATUS_OK; + + status = pvfs_blkid_fs_uuid(pvfs, st, &uuid); + NT_STATUS_NOT_OK_RETURN(status); + + pvfs->base_fs_uuid = talloc(pvfs, struct GUID); + NT_STATUS_HAVE_NO_MEMORY(pvfs->base_fs_uuid); + *pvfs->base_fs_uuid = uuid; + + return NT_STATUS_OK; +} /* return filesystem space info */ NTSTATUS pvfs_fsinfo(struct ntvfs_module_context *ntvfs, struct smbsrv_request *req, union smb_fsinfo *fs) { + NTSTATUS status; struct pvfs_state *pvfs = ntvfs->private_data; uint64_t blocks_free, blocks_total; uint_t bpunit; @@ -145,38 +188,15 @@ NTSTATUS pvfs_fsinfo(struct ntvfs_module_context *ntvfs, return NT_STATUS_OK; case RAW_QFS_OBJECTID_INFORMATION: - { -#ifdef HAVE_LIBBLKID - NTSTATUS status; - const char *uuid_value; -#endif - ZERO_STRUCT(fs->objectid_information.out); -#ifdef HAVE_LIBBLKID - if (!pvfs->blkid_cache) { - pvfs->blkid_cache = talloc(ntvfs, blkid_cache_wrap_t); - - if (!pvfs->blkid_cache) { - return NT_STATUS_NO_MEMORY; - } - - pvfs->blkid_cache->cache = NULL; - pvfs->blkid_cache->devname = blkid_devno_to_devname(st.st_dev); - - talloc_set_destructor(pvfs->blkid_cache, blkid_cache_destructor); - - if (blkid_get_cache(&pvfs->blkid_cache->cache,NULL) < 0 ) { - return NT_STATUS_DEVICE_CONFIGURATION_ERROR; - } - } - - if ((uuid_value = blkid_get_tag_value(pvfs->blkid_cache->cache, - "UUID", pvfs->blkid_cache->devname))) { - GUID_from_string(uuid_value, &fs->objectid_information.out.guid); - free((void*)uuid_value); - } -#endif + ZERO_STRUCT(fs->objectid_information.out.guid); + ZERO_STRUCT(fs->objectid_information.out.unknown); + + status = pvfs_cache_base_fs_uuid(pvfs, &st); + NT_STATUS_NOT_OK_RETURN(status); + + fs->objectid_information.out.guid = *pvfs->base_fs_uuid; return NT_STATUS_OK; - } + default: break; } diff --git a/source4/ntvfs/posix/vfs_posix.c b/source4/ntvfs/posix/vfs_posix.c index a4b15e3c57..bedc81389c 100644 --- a/source4/ntvfs/posix/vfs_posix.c +++ b/source4/ntvfs/posix/vfs_posix.c @@ -95,9 +95,6 @@ static void pvfs_setup_options(struct pvfs_state *pvfs) pvfs->sid_cache.creator_owner = dom_sid_parse_talloc(pvfs, SID_CREATOR_OWNER); pvfs->sid_cache.creator_group = dom_sid_parse_talloc(pvfs, SID_CREATOR_GROUP); -#ifdef HAVE_BLKID - pvfs->blkid_cache = NULL; -#endif /* check if the system really supports xattrs */ if (pvfs->flags & PVFS_FLAG_XATTR_ENABLE) { diff --git a/source4/ntvfs/posix/vfs_posix.h b/source4/ntvfs/posix/vfs_posix.h index f18864197d..9eec368157 100644 --- a/source4/ntvfs/posix/vfs_posix.h +++ b/source4/ntvfs/posix/vfs_posix.h @@ -26,21 +26,12 @@ #include "system/filesys.h" #include "smb_server/smb_server.h" -/* We use libblkid out of e2fsprogs to identify UUID of a volume */ -#ifdef HAVE_LIBBLKID -#include <blkid/blkid.h> - -typedef struct { - blkid_cache cache; - const char *devname; -} blkid_cache_wrap_t; -#endif - /* this is the private structure for the posix vfs backend. It is used to hold per-connection (per tree connect) state information */ struct pvfs_state { struct smbsrv_tcon *tcon; const char *base_directory; + struct GUID *base_fs_uuid; const char *share_name; uint_t flags; @@ -83,10 +74,6 @@ struct pvfs_state { const struct dom_sid *creator_owner; const struct dom_sid *creator_group; } sid_cache; - -#ifdef HAVE_LIBBLKID - blkid_cache_wrap_t *blkid_cache; -#endif }; /* this is the basic information needed about a file from the filesystem */ |