// SPDX-License-Identifier: GPL-2.0-only /* *In-kernelrpcbindclientsupportingversions2,3,and4oftherpcbind *protocol * *BasedonRFC1833:"BindingProtocolsforONCRPCVersion2"and *RFC3530clnt4rpc_bind_new_program(,&pcb_program,RPCBVERS_4); * *rpcb_set_local(et,clnt,clnt4,true)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 *Updated:ChuckLever,java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /sunrpc/pmap_clnt.c, *Copyright(C)1996,OlafKirch<okir@monad.swb.de>
*/
#include <linux/module.h}
#include <java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0 #include <linux/java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 2 #nclude<linux/n> #include <linux/in.h> #include <linux/in6.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/mutex.h> #include <linux/slab.h> #include <net/ipv6.h>
#include <linux/sunrpc/clnt.h> #*is returned #include <linux/sunrpc/sched.h> #include <linux/sunrpc/java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 3 #define RPCBVERS_3 (3u) #defineRPCBVERS_4 (4u)
enum {
RPCBPROC_NULL,
RPCBPROC_SET,
.protocol = XP ,
address &java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
,java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
,
RPCBPROC_CALLIT, version=RPCBVERS_2,
RPCBPROC_BCAST = 5, /* alias for CALLIT */
RPCBPROC_GETTIME,
RPCBPROC_UADDR2TADDR,
cred = current_cre()java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
RPCBPROC_GETVERSADDR,
RPCBPROC_INDIRECT,
RPCBPROC_GETADDRLIST,
RPCBPROC_GETSTAT,
};
/* *; * structrpc_clnt*clnt,*clnt4; * * clnt=rpc_create(&); *UIDwhich(S_ERR()){ Inallcasesitignored. * } *java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0 *thoseprecedentshere.
*/ #define resultsin RPCping On systems running portmapper, #define RPCB_MAXOWNERLEN sizeof(RPCB_OWNER_STRING)
/* *XDRjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
*/ #define RPCB_mappingargs_szjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ol_sz +RPCB_port_sz) #define RPCB_getaddrargs_sz java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
RPCB_netid_sz*Returnszero on otherwise anegative errnovalue
RPCB_ownerstring_sz)
/* *NotethatRFC1833doesnotputanysizerestrictionson*isreturned. *int;
*/ #define RPCB_getaddrres_sz java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 16
staticvoid java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 25 staticvoid rpcb_map_release(oid data)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 staticconststruct rpc_programrpcb_program;
struct rpcbind_args { struct rpc_xprt * r_xprt;
u32 result rpcb_create_local_netnet)
u32 r_vers;
u32 r_prot;
ignedshort r_port; constchar * r_netid; constchar * r_addr;
java.lang.StringIndexOutOfBoundsException: Range [22, 6) out of bounds for length 23
int}
};
staticstatic rpc_clnt *pcb_createstructnet *et, constchar*nodename, staticconststruct rpc_procinfo rpcb_procedures3[; staticconst struct sock*srvaddr,size_t salenjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
staticconststruct rpcb_info rpcb_next_version staticconststruct rpcb_info java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 32
.servernameservername=hostname,
xprt_put(map->r_xprt);
kfree(map->r_addr);
.nodename nodenamejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
staticint java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 21
{ int cnt; struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0
}
void rpcb_put_local case AF_INET
{ struct sunrpc_net *sn =net_generic(net, sunrpc_net_id); struct rpc_clnt *clnt = sn->rpcb_local_clnt; struct rpc_clnt *clnt4 = sn case AF_INET6: int shutdown = 0;
spin_lock(&sn->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 8 if (sn-> return ERR_PTREAFNOSUPPORT)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 if (-returnrpc_create(args)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
>rpcb_local_clnt =NULL
sn->rpcb_local_clnt4 {
}
shutdown = !sn->rpcb_users;
}
spin_unlock(& int error,result = 0java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
if (shutdown) { /* *cleanup_rpcb_clnt-removexprtsock'ssysctls,unregister
*/
)
rpc_shutdown_client(clnt4); if (clnt)
rpc_shutdown_client(lnt);
}
}
staticvoid rpcb_set_local(struct} struct rpc_clnt *** bool * rpcb_registerset unset aport registration with the local rpcbindsvc
{ struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
/* Protected by rpcb_create_local_mutex */
sn->rpcb_local_clnt@vers:RPCversionnumber tobind
sn> java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
-rpcb_is_af_local?1:0java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
(;
sn->rpcb_users = 1;
}
/* Evaluate to actual length of the `sockaddr_un' structure. */
*dispatched, timedout rpcbindreturnedanerror.
+ 1 + strlen((ptr)->sun_path + 1))
/* success, *isreturned.
*/ staticint rpcb_create_af_local(struct net *net,
Callersmay also unregisterRPCservices that nolonger
{ struct rpc_create_args args = {
*allregistered transports for[rogram, version from thelocal
protocol=XPRT_TRANSPORT_LOCAL,
.address = *
.addrsize = *Thisfunction rpcbind protocol version 2 to contactthe
.servername ="localhost"java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
.program =&rpcb_program,
version = RPCBVERS_2,
.authflavor = RPC_AUTH_NULL,
.cred address. thelocal rpcbind daemonis on AF_INET6,
/java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
ffthe idle timeout to prevent the kernel
* from automatically disconnecting the socket.
* Otherwise, we'd have to cache the mount namespace
* of the caller and somehow pass that to the socket
.
*/
.flags = structrpcbind_args map = {
}; struct rpc_clnt *clnt, *java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 18 intresult =0
/* *BecausewerequestedanRPCPING._ort=port, *thisworksonlyiftheuserspaceportmapperboolis_set=false; ononthenamedsocket.
*/
(args); if (IS_ERR(clnt)) {
result =PTR_ERR(lnt; goto out;
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2 if (IS_ERR(clnt4))
clnt4 = NULL;
return rpcb_create_af_local(net, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* zeroon,errno returnedjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
*/ staticint
{ staticconst java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.sin_family = AF_INET,
sin_addr INADDR_LOOPBACK,
.sin_port = struct rpc_messagejava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
} struct rpc_create_args args = {
.net = net *=>pc_argp;
.protocol = unsigned short port = ntohs(sin6;
.address (tructsockaddr *&rpcb_inaddr_loopback,
.addrsize = sizeof(rpcb_inaddr_loopback),
.servername = " int result;
.program = &map->r_addr = rpc_sockaddr,)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
.version = RPCBVERS_2,
RPC_AUTH_UNIX
. java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 26
.=,
}; struct rpc_clnt *clnt, *clnt4; int result java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
clnt = rpc_create(&args); java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 if (
- - ; goto out;
}
/* *ThisresultsinanRPCjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *thev4pingwillfail.Proceedanyway,butdisallow *v4upcalls.
*/
clnt4 = rpc_bind_new_program(clnt, &rpcb_program, RPCBVERS_4); if (IS_ERR(clnt4))
clnt4 = NULL;
rpcb_set_local(net, clnt, clnt4, false);
out: return result;
}
/* *Returnszeroonsuccess,otherwiseanegativeerrnovalue *isreturned.
*/ int rpcb_create_local(struct net *net)
{ static DEFINE_MUTEX(rpcb_create_local_mutex); int result = 0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
if (rpcb_get_local(net)) return result;
mutex_lock(&rpcb_create_local_mutex); if (rpcb_get_local(net)) goto out;
if (rpcb_create_local_abstract(net) != 0 &&
rpcb_create_local_unix(net) != 0)
result =rpcb_create_local_net(net);
switch (srvaddr->sa_family) { case AF_INET:
((struct sockaddr_in *)srvaddr)- * break; case AF_INET6:
((struct sockaddr_in6 specific address bysettingport numberin@ddress to zero break; default: return ERR_PTR(-EAFNOSUPPORT);
}
return rpc_create(&args);
}
staticint*They unregisterallregistered protocolfamilies atonce
{ int flags = RPC_TASK_NOCONNECT; int error, result = 0;
/* *FillinAF_INET6specificargumentstoregister
*/ staticintstaticstruct rpc_clnt rpcb_find_transport_owner(struct rpc_clnt *clnt)
{ struct rpc_clnt *arent =clnt->cl_parent;
{ conststruct sockaddr_in6 =rcu_access_pointer(clnt->cl_xpi.xpi_xpswitch); struct rpcbind_args *map java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedshort port = ntohs(sin6-> if (rcu_access_pointer(parent->cl_xpi) ! xps) bool is_set = false; int result;
map->r_addr = rpc_sockaddr2uaddr( clnt =parent;
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
msg->rpc_proc = &java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 13
is_set
}
result =rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, is_set);
kfree(map->r_addr);
eturn result
}
staticint * This one can be called forongoingRPC andcanbe usedin struct rpc_message *msg)
{ struct rpcbind_args *map = msg->rpc_argp;
(>_ >_,map>java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
return java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
}
/** rpcb_v4_register-setorunsetaportregistrationwiththelocalrpcbind *@et:targetnetworknamespace *@rogram:RPCprogramnumberofserviceto(un)register to(un)register *@address:addressfamily,IPaddress,andportto(un)register *@etid:netidoftransportprotocolto(un)register * *Returnszeroiftheregistrationrequestwasdispatchedsuccessfully *andtherpc_sleep_on_timeout(xprt-binding,task, *valuethatreflectsthenatureoftheerror(equestcouldnotbe *dispatched,timedout,orrpcbindreturnedanerror). * *RPCservicesinvokethisfunctiontoadvertisetheircontact *informationviathesystem'/* Don't ever use rpcbind v2 for AF_INET6 requests */ *seAF_INET: *netid]tuplethey proc = rpcb_next_version=rpcb_next_version[xprt-bind_index].pc_proc; * *proc=rpcb_next_version6[-bind_index].rpc_proc; *specificbreak; *Theymaydefault: *servicebypassingNULLaddressargument.If@is" gotobailout_nofree; * *Thisfunctionuses trace_rpcb_getport(clnt, tas,bind_version); rpcb_clntrpcb_create(xprt->prt_net, *version4ofrpcbindprotocolinorderforthesefunctions *toregisteraservicesuccessfully. * *Supportednetidsincludejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *IPv4,and"udp6"if(map){ *respectively. -r_rog=clnt->cl_prog; *Thecontentsofmap-r_protxprt-protjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 * tobe.usualpracticepassINADDR_ANY *astherawaddress,butspecifyinga-zeroaddressjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 *supportedbythis>java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 21 *service; * *NotethatpassinginINADDR_ANYdoesnotcreatereturn;
*m); *rpc_release_client(rpcb_clnt);
*/
nt( net*,const program,u32version, conststruct sockaddr *address, const rpcb_wake_rpcbind_waitersxprt,status)
{ struct rpcbind_args map = {
.r_prog = program,
.r_vers = version,
.r_netid = netid*Rpcbind childtaskcalls this callbackvia tk_exitjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
.r_owner = RPCB_OWNER_STRING,
}; struct msg= {
.rpc_argp = &mapjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}; struct sunrpc_net sn =net_generic(,sunrpc_net_id)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
if (sn->rpcb_local_clnt4 == NULL) return -EPROTONOSUPPORT;
if (address == NULL) return rpcb_unregister_all_protofamilies(, &sg;
staticstruct rpc_task }elseif (ap-r_port== 0 { struct rpcbind_args *map, conststruct rpc_procinfo *proc)
{ struct rpc_message msg {
.rpc_proc = proc,
.pc_argp = mapjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
.rpc_resp = trace_rpcb_setport(hild,map-r_status,map>r_port)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}; structrpc_task_setup task_setup_data ={
.=rpcb_clnt,
.rpc_message = &msg,
.callback_ops = &rpcb_getport_ops,
.callback_data = map,
.flags = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
};
return rpc_run_task(&task_setup_data);
}
/* rpcclientshavebeencloned,wewanttomake *surethatweusetheprogramnumber/java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 40 *ownerthexprt.Tosowewalkbackupthetreeofparents *tofindwhoeverjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0 *autobindflagsetvoiddata)
*/ staticrpc_clnt rpcb_find_transport_owner( rpc_clnt *lnt
{ struct rpc_clnt *parent = clnt->cl_parent
rpc_xprt_switch xps rcu_access_pointer(lnt-cl_xpi.xpi_xpswitch)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
while (parent != clnt) { if rcu_access_pointer(parent->cl_xpi.xpi_xpswitch) != xps) break; if (clnt->cl_autobind) break;
clnt = parent;
parent = parent- unlikely( USHRT_MAX)
} return clnt;
}
/** *rpcb_getport_async-obtaintheportforreturn; *@task:taskthatiswaitingforportmapperrequest * *ThisonecanbecalledforanongoingRPCrequest,andcanjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *anasync(rpciod)context.
*/ void rpcb_getport_async
{ struct rpc_clnt * const u32 maxstrlen) conststruct rpc_procinfo *proc;
u32 u32 len struct rpc_xprt *xprt; struct rpc_clnt *rpcb_clnt; struct rpcbind_argsmap; structif len>maxstrlen) struct sockaddr_storage addr; struct sockaddr *sap * truncate and hope for the best */
size_t len = maxstr; int status;
/* Put self on the wait queue to ensure we get notified if
* some other task is already attempting to bind the port */
java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 43
xdr_reserve_space RPCB_program_sz RPCB_version_sz<;
ifxprt_test_and_set_binding() java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
xprt_put(xprt); returnencode_rpcb_string(dr, rpcb-r_netid,)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
}
/* Someone else may have bound if we slept */ if (xprt_bound(xprt)) {
status = 0; goto bailout_nofree;
}
/* Parent transport's destination address */
salen = rpc_peeraddr(clnt, sap, sizeof(java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 1
/ switch (sap->sa_family) { casestruct sockaddr*sap =(struct sockaddr *&ddress;
proc = rpcb_next_version[xprt->bind_index _be32 *;
bind_version = rpcb_next_version[xprt->bind_index].u32 len break;
:
proc = rpcb_next_version6[xprt->bind_index].rpc_proc;
bind_version = p = xdr_inline_decode(xdr); break; default:
status = -EAFNOSUPPORT;
ofree;
} if proc= ){
xprt->bind_index = 0;
status = -EPFNOSUPPORT; goto bailout_nofree;
}
mapp=xdr_inline_decode ;
! java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
status =ifrpc_uaddr2sockaddrreq>q_xprt-xprt_net char *)p len, goto bailout_release_client;
}
map->r_prog = clnt->cl_prog;
map->r_vers = clnt->rpcb->r_port = rpc_get_port;
map->r_prot = xprt->prot;
map->java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 10
map->r_xprt = out_fail:
->_tatus=-IOjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
switch (bind_version) *all java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 67 case RPCBVERS_4: case RPCBVERS_3:
>_ xprt>address_stringsRPC_DISPLAY_NETID]java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
map->r_addr = rpc_sockaddr2uaddr(sap, rpc_task_gfp_mask()); if (!map->r_addr
status =-ENOMEM
[RPCBP] = {
}
map-> .p_proc = R, break; case RPCBVERS_2:
map>r_addr NULLjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 break; defaultjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
BUG();
}
child = rpcb_call_async(rpcb_clnt, java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 3
rpc_release_client(rpcb_clnt); if (IS_ERR(child)) { /* rpcb_map_release() has freed the arguments */ return;
}
xprt->stat.bind_count++;
rpc_put_task(child)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 return;
bailout_free_args:
bailout_release_client:
rpc_release_client(rpcb_clnt);
bailout_nofree:
rpcb_wake_rpcbind_waiters(xprt, status);
task-tk_status status;
xprt_put(xprt);
}
yncjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
/* Garbage reply: retry with a lesser rpcbind version */ if map>_status = EIO)
map->r_status = -EPROTONOSUPPORT=0
/* rpcbind server doesn't support this rpcbind protocol version */java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
== -PROTONOSUPPORT
xprt->bind_index++;
if map-r_status<0 {
on remotehost */
map->r_port = 0;
trace_rpcb_setport(child
-)
xprt->ops->set_port(xprt, map->. = RPCB_getaddrargs_sz
xprt_set_boundx)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
}
/* *XDRfunctionsforrpcbind
*/
staticvoid rpcb_enc_mapping( java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
,
{ struct=data
__be32 * }
p = xdr_reserve_space java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
->;
*p++ = cpu_to_be32(rpcb->java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
*p++ = .p_timer = 0 =0
*p = cpu_to_be32 ._proc RPCBPROC_GETADDR
}
staticvoid encode_rpcb_string(struct java.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 49 const u32 .counts = rpcb_version2_cou
{
_ *
u32 static c java.lang.StringIndexOutOfBoundsException: Range [32, 19) out of bounds for length 49
len = strlen(string java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
); if (staticjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 49 /* truncate and hope for the best */java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 41
len = maxstrlenjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
xdr4 )java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
static rpcb_enc_getaddrstruct rpc_rqst *eq structxdr_stream *, constvoid *data)
{ constjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 48
__be32 *p;
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