diff options
| author | Raghavendra Bhat <raghavendra@redhat.com> | 2013-02-08 11:44:41 +0530 |
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2013-02-17 12:01:55 -0800 |
| commit | 614529c59123d3f2a20a6ee9a99d362a7d35e5b1 (patch) | |
| tree | 5d84b15487aef4342b0737abdd1e442bb2b4f5de /rpc/rpc-lib/src/rpcsvc.h | |
| parent | 5b8cb263756a9d2beb5e70dca0b652286c7e6b67 (diff) | |
rpc: bring in root-squashing behavior in rpc
* requests coming in as root are converted to nfsnobody
* with open-behind some acl checks wont happen and nfsnobody
can read the file "whose owner is root and other users do not
have permission to read the file". This is becasue open-behind
does not send the open to the brick and sends success to the
application, thus the acl related tests on the file wont happen
which would have prevented the file from being opened.
Change-Id: I73afbfd904f0beb3a2ebe807b938ac2fecd4976b
BUG: 887145
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/4516
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'rpc/rpc-lib/src/rpcsvc.h')
| -rw-r--r-- | rpc/rpc-lib/src/rpcsvc.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/rpc/rpc-lib/src/rpcsvc.h b/rpc/rpc-lib/src/rpcsvc.h index 7fdeaeb04..1323c8b7a 100644 --- a/rpc/rpc-lib/src/rpcsvc.h +++ b/rpc/rpc-lib/src/rpcsvc.h @@ -48,6 +48,10 @@ #define RPCSVC_POOLCOUNT_MULT 64 #define RPCSVC_CONN_READ (128 * GF_UNIT_KB) #define RPCSVC_PAGE_SIZE (128 * GF_UNIT_KB) +#define RPC_ROOT_UID 0 +#define RPC_ROOT_GID 0 +#define RPC_NOBODY_UID 65534 +#define RPC_NOBODY_GID 65534 /* RPC Record States */ #define RPCSVC_READ_FRAGHDR 1 @@ -261,7 +265,22 @@ struct rpcsvc_request { #define rpcsvc_request_vecstate(req) ((req)->vecstate) #define rpcsvc_request_transport(req) ((req)->trans) #define rpcsvc_request_transport_ref(req) (rpc_transport_ref((req)->trans)) - +#define RPC_AUTH_ROOT_SQUASH(req) \ + do { \ + int gidcount = 0; \ + if (req->svc->root_squash) { \ + if (req->uid == RPC_ROOT_UID) \ + req->uid = RPC_NOBODY_UID; \ + if (req->gid == RPC_ROOT_GID) \ + req->gid = RPC_NOBODY_GID; \ + for (gidcount = 0; gidcount < req->auxgidcount; \ + ++gidcount) { \ + if (!req->auxgids[gidcount]) \ + req->auxgids[gidcount] = \ + RPC_NOBODY_GID; \ + } \ + } \ + } while (0); #define RPCSVC_ACTOR_SUCCESS 0 #define RPCSVC_ACTOR_ERROR (-1) @@ -546,6 +565,8 @@ rpcsvc_transport_unix_options_build (dict_t **options, char *filepath); int rpcsvc_set_allow_insecure (rpcsvc_t *svc, dict_t *options); int +rpcsvc_set_root_squash (rpcsvc_t *svc, dict_t *options); +int rpcsvc_auth_array (rpcsvc_t *svc, char *volname, int *autharr, int arrlen); char * rpcsvc_volume_allowed (dict_t *options, char *volname); |