X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=python%2Fvserverimpl.c;h=b9a06aac0fc33d3fe069db1a006821110f29fa36;hb=e42b91ff38049501d06ec043cf2d49ee43881fb9;hp=5e28fa27dfd48a30858cc9e968214356b4363677;hpb=00ef3bf63bdc8011eea351d214dbeddcca050059;p=util-vserver-pl.git diff --git a/python/vserverimpl.c b/python/vserverimpl.c index 5e28fa2..b9a06aa 100644 --- a/python/vserverimpl.c +++ b/python/vserverimpl.c @@ -60,6 +60,7 @@ static inline PyObject *inc_and_ret_none(void) #define NONE inc_and_ret_none() #define PL_INSECURE_BCAPS (vc_get_insecurebcaps() | (1 << VC_CAP_NET_BIND_SERVICE)) +#define PL_INSECURE_CCAPS vc_get_insecureccaps() /* * context create @@ -337,7 +338,7 @@ vserver_get_bcaps(PyObject *self, PyObject *args) return NULL; if (vc_get_ccaps(ctx, &caps) == -1) { - if (errno != -ESRCH) + if (errno != ESRCH) return PyErr_SetFromErrno(PyExc_OSError); else caps.bcaps = 0; @@ -369,6 +370,81 @@ vserver_bcaps2text(PyObject *self, PyObject *args) return list; } +static PyObject * +vserver_set_ccaps(PyObject *self, PyObject *args) +{ + xid_t ctx; + struct vc_ctx_caps caps; + + if (!PyArg_ParseTuple(args, "IK", &ctx, &caps.ccaps)) + return NULL; + + caps.cmask = PL_INSECURE_CCAPS; + caps.bmask = caps.bcaps = 0; + if (vc_set_ccaps(ctx, &caps) == -1 && errno != ESRCH) + return PyErr_SetFromErrno(PyExc_OSError); + + return NONE; +} + +static PyObject * +vserver_text2ccaps(PyObject *self, PyObject *args) +{ + struct vc_ctx_caps caps = { .ccaps = 0 }; + const char *list; + int len; + struct vc_err_listparser err; + + if (!PyArg_ParseTuple(args, "s#", &list, &len)) + return NULL; + + vc_list2ccap(list, len, &err, &caps); + + return Py_BuildValue("K", caps.ccaps); +} + +static PyObject * +vserver_get_ccaps(PyObject *self, PyObject *args) +{ + xid_t ctx; + struct vc_ctx_caps caps; + + if (!PyArg_ParseTuple(args, "I", &ctx)) + return NULL; + + if (vc_get_ccaps(ctx, &caps) == -1) { + if (errno != ESRCH) + return PyErr_SetFromErrno(PyExc_OSError); + else + caps.ccaps = 0; + } + + return Py_BuildValue("K", caps.ccaps & PL_INSECURE_CCAPS); +} + +static PyObject * +vserver_ccaps2text(PyObject *self, PyObject *args) +{ + struct vc_ctx_caps caps = { .ccaps = 0 }; + PyObject *list; + const char *cap; + + if (!PyArg_ParseTuple(args, "K", &caps.ccaps)) + return NULL; + + list = PyString_FromString(""); + + while ((cap = vc_loccap2text(&caps.ccaps)) != NULL) { + if (list == NULL) + break; + PyString_ConcatAndDel(&list, PyString_FromFormat( + (PyString_Size(list) > 0 ? ",%s" : "%s" ), + cap)); + } + + return list; +} + static inline int convert_address(const char *str, struct vc_net_addr *addr) { @@ -612,7 +688,7 @@ vserver_mount(PyObject *self, PyObject *args) if (secure_chdir(&dirs, guest, target) == -1) goto out; - if (mount(source, ".", type, flags, data) == -1) + if (mount(source, ".", type, flags, data) == -1 && errno != EBUSY) goto out; restore_dirs(&dirs); @@ -666,6 +742,39 @@ vserver_set_runlevel(PyObject *self, PyObject *args) return NONE; } +static PyObject * +vserver_set_name(PyObject *self, PyObject *args) +{ + xid_t ctx, slice_id; + PyObject *ret; + + if (!PyArg_ParseTuple(args, "II", &ctx, &slice_id)) + return NULL; + + if (vc_set_vhi_name(ctx, vcVHI_CONTEXT, (char *)&slice_id, sizeof(slice_id)) != 0 && errno != ESRCH) { + return PyErr_SetFromErrno(PyExc_OSError); + } else { + return NONE; + } +} + +static PyObject * +vserver_get_name(PyObject *self, PyObject *args) +{ + xid_t ctx, slice_id; + PyObject *ret; + + if (!PyArg_ParseTuple(args, "I", &ctx)) + return NULL; + + if (vc_get_vhi_name(ctx, vcVHI_CONTEXT, (char *)&slice_id, sizeof(slice_id)) != 0) { + ret = PyErr_SetFromErrno(PyExc_OSError); + } else { + ret = Py_BuildValue("i", slice_id); + } + return ret; +} + static PyMethodDef methods[] = { { "chcontext", vserver_chcontext, METH_VARARGS, "chcontext to vserver with provided flags" }, @@ -695,6 +804,14 @@ static PyMethodDef methods[] = { "Translate a string of capabilities to a bitmap" }, { "bcaps2text", vserver_bcaps2text, METH_VARARGS, "Translate a capability-bitmap into a string" }, + { "setccaps", vserver_set_ccaps, METH_VARARGS, + "Set context capabilities of a vserver context" }, + { "getccaps", vserver_get_ccaps, METH_VARARGS, + "Get context capabilities of a vserver context" }, + { "text2ccaps", vserver_text2ccaps, METH_VARARGS, + "Translate a string of context capabilities to a bitmap" }, + { "ccaps2text", vserver_ccaps2text, METH_VARARGS, + "Translate a context-capability-bitmap into a string" }, { "netadd", vserver_net_add, METH_VARARGS, "Assign an IP address to a context" }, { "netremove", vserver_net_remove, METH_VARARGS, @@ -705,6 +822,10 @@ static PyMethodDef methods[] = { "Perform the umount2() system call" }, { "setrunlevel", vserver_set_runlevel, METH_VARARGS, "Set the runlevel in utmp" }, + { "setname", vserver_set_name, METH_VARARGS, + "Set the vcVHI_CONTEXT for a xid." }, + { "getname", vserver_get_name, METH_VARARGS, + "Get the vcVHI_CONTEXT for a xid." }, { NULL, NULL, 0, NULL } };