diff options
Diffstat (limited to 'rpc/rpc-lib/src/auth-glusterfs.c')
-rw-r--r-- | rpc/rpc-lib/src/auth-glusterfs.c | 216 |
1 files changed, 123 insertions, 93 deletions
diff --git a/rpc/rpc-lib/src/auth-glusterfs.c b/rpc/rpc-lib/src/auth-glusterfs.c index 4faaddb9e..9996bfad4 100644 --- a/rpc/rpc-lib/src/auth-glusterfs.c +++ b/rpc/rpc-lib/src/auth-glusterfs.c @@ -29,94 +29,9 @@ #include "dict.h" #include "xdr-rpc.h" #include "xdr-common.h" +#include "rpc-common-xdr.h" -bool_t -xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp) -{ - register int32_t *buf; - - int i; - - if (xdrs->x_op == XDR_ENCODE) { - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT); - if (buf == NULL) { - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - } else { - IXDR_PUT_U_LONG(buf, objp->pid); - IXDR_PUT_U_LONG(buf, objp->uid); - IXDR_PUT_U_LONG(buf, objp->gid); - IXDR_PUT_U_LONG(buf, objp->ngrps); - { - register u_int *genp; - - for (i = 0, genp = objp->groups; - i < 16; ++i) { - IXDR_PUT_U_LONG(buf, *genp++); - } - } - } - return TRUE; - } else if (xdrs->x_op == XDR_DECODE) { - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT); - if (buf == NULL) { - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - } else { - objp->pid = IXDR_GET_U_LONG(buf); - objp->uid = IXDR_GET_U_LONG(buf); - objp->gid = IXDR_GET_U_LONG(buf); - objp->ngrps = IXDR_GET_U_LONG(buf); - { - register u_int *genp; - - for (i = 0, genp = objp->groups; - i < 16; ++i) { - *genp++ = IXDR_GET_U_LONG(buf); - } - } - } - return TRUE; - } - - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - return TRUE; -} - +/* V1 */ ssize_t xdr_to_glusterfs_auth (char *buf, struct auth_glusterfs_parms *req) @@ -146,7 +61,7 @@ auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv) { if (!req) return -1; - memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES); + memset (req->verf.authdata, 0, GF_MAX_AUTH_BYTES); req->verf.datalen = 0; req->verf.flavour = AUTH_NULL; @@ -155,9 +70,12 @@ auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv) int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv) { - int ret = RPCSVC_AUTH_REJECT; struct auth_glusterfs_parms au = {0,}; - int gidcount = 0; + + int ret = RPCSVC_AUTH_REJECT; + int gidcount = 0; + int j = 0; + int i = 0; if (!req) return ret; @@ -173,7 +91,11 @@ int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv) req->pid = au.pid; req->uid = au.uid; req->gid = au.gid; - req->lk_owner = au.lk_owner; + req->lk_owner.len = 8; + { + for (i = 0; i < req->lk_owner.len; i++, j += 8) + req->lk_owner.data[i] = (char)((au.lk_owner >> j) & 0xff); + } req->auxgidcount = au.ngrps; if (req->auxgidcount > 16) { @@ -187,8 +109,8 @@ int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv) req->auxgids[gidcount] = au.groups[gidcount]; gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d" - ", gid: %d, owner: %"PRId64, - req->pid, req->uid, req->gid, req->lk_owner); + ", gid: %d, owner: %s", + req->pid, req->uid, req->gid, lkowner_utoa (&req->lk_owner)); ret = RPCSVC_AUTH_ACCEPT; err: return ret; @@ -213,3 +135,111 @@ rpcsvc_auth_glusterfs_init (rpcsvc_t *svc, dict_t *options) { return &rpcsvc_auth_glusterfs; } + +/* V2 */ + +ssize_t +xdr_to_glusterfs_auth_v2 (char *buf, struct auth_glusterfs_parms_v2 *req) +{ + XDR xdr; + ssize_t ret = -1; + + if ((!buf) || (!req)) + return -1; + + xdrmem_create (&xdr, buf, GF_MAX_AUTH_BYTES, XDR_DECODE); + if (!xdr_auth_glusterfs_parms_v2 (&xdr, req)) { + gf_log ("", GF_LOG_WARNING, + "failed to decode glusterfs v2 parameters"); + ret = -1; + goto ret; + } + + ret = (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)); +ret: + return ret; + +} +int +auth_glusterfs_v2_request_init (rpcsvc_request_t *req, void *priv) +{ + if (!req) + return -1; + memset (req->verf.authdata, 0, GF_MAX_AUTH_BYTES); + req->verf.datalen = 0; + req->verf.flavour = AUTH_NULL; + + return 0; +} + +int auth_glusterfs_v2_authenticate (rpcsvc_request_t *req, void *priv) +{ + struct auth_glusterfs_parms_v2 au = {0,}; + int ret = RPCSVC_AUTH_REJECT; + int i = 0; + + if (!req) + return ret; + + ret = xdr_to_glusterfs_auth_v2 (req->cred.authdata, &au); + if (ret == -1) { + gf_log ("", GF_LOG_WARNING, + "failed to decode glusterfs credentials"); + ret = RPCSVC_AUTH_REJECT; + goto err; + } + + req->pid = au.pid; + req->uid = au.uid; + req->gid = au.gid; + req->lk_owner.len = au.lk_owner.lk_owner_len; + req->auxgidcount = au.groups.groups_len; + + if (req->auxgidcount > GF_MAX_AUX_GROUPS) { + gf_log ("", GF_LOG_WARNING, + "more than max aux gids found (%d) , truncating it " + "to %d and continuing", au.groups.groups_len, + GF_MAX_AUX_GROUPS); + req->auxgidcount = GF_MAX_AUX_GROUPS; + } + + if (req->lk_owner.len > GF_MAX_LOCK_OWNER_LEN) { + gf_log ("", GF_LOG_WARNING, + "lkowner field > 1k, failing authentication"); + ret = RPCSVC_AUTH_REJECT; + goto err; + } + + for (i = 0; i < req->auxgidcount; ++i) + req->auxgids[i] = au.groups.groups_val[i]; + + for (i = 0; i < au.lk_owner.lk_owner_len; ++i) + req->lk_owner.data[i] = au.lk_owner.lk_owner_val[i]; + + gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d" + ", gid: %d, owner: %s", + req->pid, req->uid, req->gid, lkowner_utoa (&req->lk_owner)); + ret = RPCSVC_AUTH_ACCEPT; +err: + return ret; +} + +rpcsvc_auth_ops_t auth_glusterfs_ops_v2 = { + .transport_init = NULL, + .request_init = auth_glusterfs_v2_request_init, + .authenticate = auth_glusterfs_v2_authenticate +}; + +rpcsvc_auth_t rpcsvc_auth_glusterfs_v2 = { + .authname = "AUTH_GLUSTERFS-v2", + .authnum = AUTH_GLUSTERFS_v2, + .authops = &auth_glusterfs_ops_v2, + .authprivate = NULL +}; + + +rpcsvc_auth_t * +rpcsvc_auth_glusterfs_v2_init (rpcsvc_t *svc, dict_t *options) +{ + return &rpcsvc_auth_glusterfs_v2; +} |