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nfs4: Make RPC::Reply decode RPC errors

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This commit is contained in:
Pawel Dziepak 2012-05-26 19:02:20 +02:00
parent 5cdf02db09
commit b82f4c07eb
1 changed files with 59 additions and 6 deletions
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65
src/add-ons/kernel/file_systems/nfs4/RPCReply.cpp
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@ -14,6 +14,29 @@
using namespace RPC;
enum {
REPLY = 1
};
enum {
MSG_ACCEPTED = 0,
MSG_DENIED = 1
};
enum accept_stat {
SUCCESS = 0, /* RPC executed successfully */
PROG_UNAVAIL = 1, /* remote hasn't exported program */
PROG_MISMATCH = 2, /* remote can't support version # */
PROC_UNAVAIL = 3, /* program can't support procedure */
GARBAGE_ARGS = 4, /* procedure can't decode params */
SYSTEM_ERR = 5 /* e.g. memory allocation failure */
};
enum reject_stat {
RPC_MISMATCH = 0, /* RPC version number != 2 */
AUTH_ERROR = 1 /* remote can't authenticate caller */
};
Reply::Reply(void *buffer, int size)
:
@ -22,12 +45,42 @@ Reply::Reply(void *buffer, int size)
fBuffer(buffer)
{
fXID = fStream.GetUInt();
#if 0
int32 type = fStream.GetInt();
int32 state = fStream.GetInt();
int32 auth = fStream.GetInt();
fStream.GetOpaque(NULL);
#endif
if (fStream.GetInt() != REPLY) {
fError = B_BAD_VALUE;
return;
}
if (fStream.GetInt() == MSG_ACCEPTED) {
fStream.GetInt();
fStream.GetOpaque(NULL);
switch (fStream.GetInt()) {
case SUCCESS:
return;
case PROG_UNAVAIL:
case PROG_MISMATCH:
case PROC_UNAVAIL:
fError = B_DEVICE_NOT_FOUND;
return;
case GARBAGE_ARGS:
fError = B_MISMATCHED_VALUES;
return;
case SYSTEM_ERR:
fError = B_ERROR;
return;
default:
fError = B_BAD_VALUE;
return;
}
} else { // MSG_DENIED
if (fStream.GetInt() == RPC_MISMATCH) {
fError = B_DEVICE_NOT_FOUND;
return;
} else { // AUTH_ERROR
fError = B_PERMISSION_DENIED;
return;
}
}
}