Unix SMB/CIFS implementation.
client error handling routines
Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Jelmer Vernooij 2003
+ Copyright (C) Jeremy Allison 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#define NO_SYSLOG
-
#include "includes.h"
/*****************************************************
*******************************************************/
-static const struct
-{
- int err;
- char *message;
-} rap_errmap[] =
-{
- {5, "RAP5: User has insufficient privilege" },
- {50, "RAP50: Not supported by server" },
- {65, "RAP65: Access denied" },
- {86, "RAP86: The specified password is invalid" },
- {2220, "RAP2220: Group does not exist" },
- {2221, "RAP2221: User does not exist" },
- {2226, "RAP2226: Operation only permitted on a Primary Domain Controller" },
- {2237, "RAP2237: User is not in group" },
- {2242, "RAP2242: The password of this user has expired." },
- {2243, "RAP2243: The password of this user cannot change." },
- {2244, "RAP2244: This password cannot be used now (password history conflict)." },
- {2245, "RAP2245: The password is shorter than required." },
- {2246, "RAP2246: The password of this user is too recent to change."},
-
- /* these really shouldn't be here ... */
- {0x80, "Not listening on called name"},
- {0x81, "Not listening for calling name"},
- {0x82, "Called name not present"},
- {0x83, "Called name present, but insufficient resources"},
-
- {0, NULL}
+static const struct {
+ int err;
+ const char *message;
+} rap_errmap[] = {
+ {5, "RAP5: User has insufficient privilege" },
+ {50, "RAP50: Not supported by server" },
+ {65, "RAP65: Access denied" },
+ {86, "RAP86: The specified password is invalid" },
+ {2220, "RAP2220: Group does not exist" },
+ {2221, "RAP2221: User does not exist" },
+ {2226, "RAP2226: Operation only permitted on a Primary Domain Controller" },
+ {2237, "RAP2237: User is not in group" },
+ {2242, "RAP2242: The password of this user has expired." },
+ {2243, "RAP2243: The password of this user cannot change." },
+ {2244, "RAP2244: This password cannot be used now (password history conflict)." },
+ {2245, "RAP2245: The password is shorter than required." },
+ {2246, "RAP2246: The password of this user is too recent to change."},
+
+ /* these really shouldn't be here ... */
+ {0x80, "Not listening on called name"},
+ {0x81, "Not listening for calling name"},
+ {0x82, "Called name not present"},
+ {0x83, "Called name present, but insufficient resources"},
+
+ {0, NULL}
};
/****************************************************************************
- return a description of an SMB error
+ Return a description of an SMB error.
****************************************************************************/
-static char *cli_smb_errstr(struct cli_state *cli)
+
+static const char *cli_smb_errstr(struct cli_state *cli)
{
return smb_dos_errstr(cli->inbuf);
}
+/****************************************************************************
+ Convert a socket error into an NTSTATUS.
+****************************************************************************/
+
+static NTSTATUS cli_smb_rw_error_to_ntstatus(struct cli_state *cli)
+{
+ switch(cli->smb_rw_error) {
+ case READ_TIMEOUT:
+ return NT_STATUS_IO_TIMEOUT;
+ case READ_EOF:
+ return NT_STATUS_END_OF_FILE;
+ /* What we shoud really do for read/write errors is convert from errno. */
+ /* FIXME. JRA. */
+ case READ_ERROR:
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ case WRITE_ERROR:
+ return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
+ case READ_BAD_SIG:
+ case READ_BAD_DECRYPT:
+ return NT_STATUS_INVALID_PARAMETER;
+ default:
+ break;
+ }
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
/***************************************************************************
Return an error message - either an NT error, SMB error or a RAP error.
Note some of the NT errors are actually warnings or "informational" errors
in which case they can be safely ignored.
****************************************************************************/
-
-char *cli_errstr(struct cli_state *cli)
+
+const char *cli_errstr(struct cli_state *cli)
{
static fstring cli_error_message;
uint32 flgs2 = SVAL(cli->inbuf,smb_flg2), errnum;
break;
case READ_EOF:
slprintf(cli_error_message, sizeof(cli_error_message) - 1,
- "Call returned zero bytes (EOF)\n" );
+ "Call returned zero bytes (EOF)" );
break;
case READ_ERROR:
slprintf(cli_error_message, sizeof(cli_error_message) - 1,
- "Read error: %s\n", strerror(errno) );
+ "Read error: %s", strerror(errno) );
break;
case WRITE_ERROR:
slprintf(cli_error_message, sizeof(cli_error_message) - 1,
- "Write error: %s\n", strerror(errno) );
+ "Write error: %s", strerror(errno) );
+ break;
+ case READ_BAD_SIG:
+ slprintf(cli_error_message, sizeof(cli_error_message) - 1,
+ "Server packet had invalid SMB signature!");
break;
- default:
+ case READ_BAD_DECRYPT:
+ slprintf(cli_error_message, sizeof(cli_error_message) - 1,
+ "Server packet could not be decrypted !");
+ break;
+ default:
slprintf(cli_error_message, sizeof(cli_error_message) - 1,
"Unknown error code %d\n", cli->smb_rw_error );
break;
}
-/* Return the 32-bit NT status code from the last packet */
+/****************************************************************************
+ Return the 32-bit NT status code from the last packet.
+****************************************************************************/
+
NTSTATUS cli_nt_error(struct cli_state *cli)
{
int flgs2 = SVAL(cli->inbuf,smb_flg2);
+ /* Deal with socket errors first. */
+ if (cli->fd == -1 && cli->smb_rw_error) {
+ return cli_smb_rw_error_to_ntstatus(cli);
+ }
+
if (!(flgs2 & FLAGS2_32_BIT_ERROR_CODES)) {
- int class = CVAL(cli->inbuf,smb_rcls);
+ int e_class = CVAL(cli->inbuf,smb_rcls);
int code = SVAL(cli->inbuf,smb_err);
- return dos_to_ntstatus(class, code);
+ return dos_to_ntstatus(e_class, code);
}
return NT_STATUS(IVAL(cli->inbuf,smb_rcls));
}
-/* Return the DOS error from the last packet - an error class and an error
- code. */
+/****************************************************************************
+ Return the DOS error from the last packet - an error class and an error
+ code.
+****************************************************************************/
+
void cli_dos_error(struct cli_state *cli, uint8 *eclass, uint32 *ecode)
{
int flgs2;
- char rcls;
- int code;
- if(!cli->initialised) return;
+ if(!cli->initialised) {
+ return;
+ }
+
+ /* Deal with socket errors first. */
+ if (cli->fd == -1 && cli->smb_rw_error) {
+ NTSTATUS status = cli_smb_rw_error_to_ntstatus(cli);
+ ntstatus_to_dos( status, eclass, ecode);
+ return;
+ }
flgs2 = SVAL(cli->inbuf,smb_flg2);
return;
}
- rcls = CVAL(cli->inbuf,smb_rcls);
- code = SVAL(cli->inbuf,smb_err);
-
- if (eclass) *eclass = rcls;
- if (ecode) *ecode = code;
-}
-
-/* Return a UNIX errno from a dos error class, error number tuple */
-
-static int cli_errno_from_dos(uint8 eclass, uint32 num)
-{
- if (eclass == ERRDOS) {
- switch (num) {
- case ERRbadfile: return ENOENT;
- case ERRbadpath: return ENOTDIR;
- case ERRnoaccess: return EACCES;
- case ERRfilexists: return EEXIST;
- case ERRrename: return EEXIST;
- case ERRbadshare: return EBUSY;
- case ERRlock: return EBUSY;
- case ERRinvalidname: return ENOENT;
- case ERRnosuchshare: return ENODEV;
- }
- }
-
- if (eclass == ERRSRV) {
- switch (num) {
- case ERRbadpw: return EPERM;
- case ERRaccess: return EACCES;
- case ERRnoresource: return ENOMEM;
- case ERRinvdevice: return ENODEV;
- case ERRinvnetname: return ENODEV;
- }
- }
-
- /* for other cases */
- return EINVAL;
+ *eclass = CVAL(cli->inbuf,smb_rcls);
+ *ecode = SVAL(cli->inbuf,smb_err);
}
/* Return a UNIX errno from a NT status code */
-static struct {
+static const struct {
NTSTATUS status;
int error;
} nt_errno_map[] = {
{NT_STATUS_ACCESS_VIOLATION, EACCES},
- {NT_STATUS_NO_SUCH_FILE, ENOENT},
- {NT_STATUS_NO_SUCH_DEVICE, ENODEV},
{NT_STATUS_INVALID_HANDLE, EBADF},
- {NT_STATUS_NO_MEMORY, ENOMEM},
{NT_STATUS_ACCESS_DENIED, EACCES},
{NT_STATUS_OBJECT_NAME_NOT_FOUND, ENOENT},
{NT_STATUS_SHARING_VIOLATION, EBUSY},
{NT_STATUS_OBJECT_PATH_INVALID, ENOTDIR},
{NT_STATUS_OBJECT_NAME_COLLISION, EEXIST},
{NT_STATUS_PATH_NOT_COVERED, ENOENT},
+ {NT_STATUS_UNSUCCESSFUL, EINVAL},
+ {NT_STATUS_NOT_IMPLEMENTED, ENOSYS},
+ {NT_STATUS_IN_PAGE_ERROR, EFAULT},
+ {NT_STATUS_BAD_NETWORK_NAME, ENOENT},
+#ifdef EDQUOT
+ {NT_STATUS_PAGEFILE_QUOTA, EDQUOT},
+ {NT_STATUS_QUOTA_EXCEEDED, EDQUOT},
+ {NT_STATUS_REGISTRY_QUOTA_LIMIT, EDQUOT},
+ {NT_STATUS_LICENSE_QUOTA_EXCEEDED, EDQUOT},
+#endif
+#ifdef ETIME
+ {NT_STATUS_TIMER_NOT_CANCELED, ETIME},
+#endif
+ {NT_STATUS_INVALID_PARAMETER, EINVAL},
+ {NT_STATUS_NO_SUCH_DEVICE, ENODEV},
+ {NT_STATUS_NO_SUCH_FILE, ENOENT},
+#ifdef ENODATA
+ {NT_STATUS_END_OF_FILE, ENODATA},
+#endif
+#ifdef ENOMEDIUM
+ {NT_STATUS_NO_MEDIA_IN_DEVICE, ENOMEDIUM},
+ {NT_STATUS_NO_MEDIA, ENOMEDIUM},
+#endif
+ {NT_STATUS_NONEXISTENT_SECTOR, ESPIPE},
+ {NT_STATUS_NO_MEMORY, ENOMEM},
+ {NT_STATUS_CONFLICTING_ADDRESSES, EADDRINUSE},
+ {NT_STATUS_NOT_MAPPED_VIEW, EINVAL},
+ {NT_STATUS_UNABLE_TO_FREE_VM, EADDRINUSE},
+ {NT_STATUS_ACCESS_DENIED, EACCES},
+ {NT_STATUS_BUFFER_TOO_SMALL, ENOBUFS},
+ {NT_STATUS_WRONG_PASSWORD, EACCES},
+ {NT_STATUS_LOGON_FAILURE, EACCES},
+ {NT_STATUS_INVALID_WORKSTATION, EACCES},
+ {NT_STATUS_INVALID_LOGON_HOURS, EACCES},
+ {NT_STATUS_PASSWORD_EXPIRED, EACCES},
+ {NT_STATUS_ACCOUNT_DISABLED, EACCES},
+ {NT_STATUS_DISK_FULL, ENOSPC},
+ {NT_STATUS_INVALID_PIPE_STATE, EPIPE},
+ {NT_STATUS_PIPE_BUSY, EPIPE},
+ {NT_STATUS_PIPE_DISCONNECTED, EPIPE},
+ {NT_STATUS_PIPE_NOT_AVAILABLE, ENOSYS},
+ {NT_STATUS_FILE_IS_A_DIRECTORY, EISDIR},
+ {NT_STATUS_NOT_SUPPORTED, ENOSYS},
+ {NT_STATUS_NOT_A_DIRECTORY, ENOTDIR},
+ {NT_STATUS_DIRECTORY_NOT_EMPTY, ENOTEMPTY},
+ {NT_STATUS_NETWORK_UNREACHABLE, ENETUNREACH},
+ {NT_STATUS_HOST_UNREACHABLE, EHOSTUNREACH},
+ {NT_STATUS_CONNECTION_ABORTED, ECONNABORTED},
+ {NT_STATUS_CONNECTION_REFUSED, ECONNREFUSED},
+ {NT_STATUS_TOO_MANY_LINKS, EMLINK},
+ {NT_STATUS_NETWORK_BUSY, EBUSY},
+ {NT_STATUS_DEVICE_DOES_NOT_EXIST, ENODEV},
+#ifdef ELIBACC
+ {NT_STATUS_DLL_NOT_FOUND, ELIBACC},
+#endif
+ {NT_STATUS_PIPE_BROKEN, EPIPE},
+ {NT_STATUS_REMOTE_NOT_LISTENING, ECONNREFUSED},
+ {NT_STATUS_NETWORK_ACCESS_DENIED, EACCES},
+ {NT_STATUS_TOO_MANY_OPENED_FILES, EMFILE},
+#ifdef EPROTO
+ {NT_STATUS_DEVICE_PROTOCOL_ERROR, EPROTO},
+#endif
+ {NT_STATUS_FLOAT_OVERFLOW, ERANGE},
+ {NT_STATUS_FLOAT_UNDERFLOW, ERANGE},
+ {NT_STATUS_INTEGER_OVERFLOW, ERANGE},
+ {NT_STATUS_MEDIA_WRITE_PROTECTED, EROFS},
+ {NT_STATUS_PIPE_CONNECTED, EISCONN},
+ {NT_STATUS_MEMORY_NOT_ALLOCATED, EFAULT},
+ {NT_STATUS_FLOAT_INEXACT_RESULT, ERANGE},
+ {NT_STATUS_ILL_FORMED_PASSWORD, EACCES},
+ {NT_STATUS_PASSWORD_RESTRICTION, EACCES},
+ {NT_STATUS_ACCOUNT_RESTRICTION, EACCES},
+ {NT_STATUS_PORT_CONNECTION_REFUSED, ECONNREFUSED},
+ {NT_STATUS_NAME_TOO_LONG, ENAMETOOLONG},
+ {NT_STATUS_REMOTE_DISCONNECT, ESHUTDOWN},
+ {NT_STATUS_CONNECTION_DISCONNECTED, ECONNABORTED},
+ {NT_STATUS_CONNECTION_RESET, ENETRESET},
+#ifdef ENOTUNIQ
+ {NT_STATUS_IP_ADDRESS_CONFLICT1, ENOTUNIQ},
+ {NT_STATUS_IP_ADDRESS_CONFLICT2, ENOTUNIQ},
+#endif
+ {NT_STATUS_PORT_MESSAGE_TOO_LONG, EMSGSIZE},
+ {NT_STATUS_PROTOCOL_UNREACHABLE, ENOPROTOOPT},
+ {NT_STATUS_ADDRESS_ALREADY_EXISTS, EADDRINUSE},
+ {NT_STATUS_PORT_UNREACHABLE, EHOSTUNREACH},
+ {NT_STATUS_IO_TIMEOUT, ETIMEDOUT},
+ {NT_STATUS_RETRY, EAGAIN},
+#ifdef ENOTUNIQ
+ {NT_STATUS_DUPLICATE_NAME, ENOTUNIQ},
+#endif
+#ifdef ECOMM
+ {NT_STATUS_NET_WRITE_FAULT, ECOMM},
+#endif
+
{NT_STATUS(0), 0}
};
+/****************************************************************************
+ The following mappings need tidying up and moving into libsmb/errormap.c...
+****************************************************************************/
+
static int cli_errno_from_nt(NTSTATUS status)
{
int i;
/* Status codes without this bit set are not errors */
- if (!(NT_STATUS_V(status) & 0xc0000000))
+ if (!(NT_STATUS_V(status) & 0xc0000000)) {
return 0;
+ }
for (i=0;nt_errno_map[i].error;i++) {
if (NT_STATUS_V(nt_errno_map[i].status) ==
int cli_errno(struct cli_state *cli)
{
- NTSTATUS status;
+ NTSTATUS status;
+
+ if (cli_is_nt_error(cli)) {
+ status = cli_nt_error(cli);
+ return cli_errno_from_nt(status);
+ }
if (cli_is_dos_error(cli)) {
uint8 eclass;
uint32 ecode;
cli_dos_error(cli, &eclass, &ecode);
- return cli_errno_from_dos(eclass, ecode);
+ status = dos_to_ntstatus(eclass, ecode);
+ return cli_errno_from_nt(status);
}
+ /*
+ * Yuck! A special case for this Vista error. Since its high-order
+ * byte isn't 0xc0, it doesn't match cli_is_nt_error() above.
+ */
status = cli_nt_error(cli);
+ if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INACCESSIBLE_SYSTEM_SHORTCUT)) {
+ return EACCES;
+ }
- return cli_errno_from_nt(status);
+ /* for other cases */
+ return EINVAL;
}
/* Return true if the last packet was in error */
{
uint32 flgs2 = SVAL(cli->inbuf,smb_flg2), rcls = 0;
+ /* A socket error is always an error. */
+ if (cli->fd == -1 && cli->smb_rw_error != 0) {
+ return True;
+ }
+
if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) {
/* Return error is error bits are set */
rcls = IVAL(cli->inbuf, smb_rcls);
{
uint32 flgs2 = SVAL(cli->inbuf,smb_flg2);
+ /* A socket error is always an NT error. */
+ if (cli->fd == -1 && cli->smb_rw_error != 0) {
+ return True;
+ }
+
return cli_is_error(cli) && (flgs2 & FLAGS2_32_BIT_ERROR_CODES);
}
{
uint32 flgs2 = SVAL(cli->inbuf,smb_flg2);
+ /* A socket error is always a DOS error. */
+ if (cli->fd == -1 && cli->smb_rw_error != 0) {
+ return True;
+ }
+
return cli_is_error(cli) && !(flgs2 & FLAGS2_32_BIT_ERROR_CODES);
}
+
+/* Return the last error always as an NTSTATUS. */
+
+NTSTATUS cli_get_nt_error(struct cli_state *cli)
+{
+ if (cli_is_nt_error(cli)) {
+ return cli_nt_error(cli);
+ } else if (cli_is_dos_error(cli)) {
+ uint32 ecode;
+ uint8 eclass;
+ cli_dos_error(cli, &eclass, &ecode);
+ return dos_to_ntstatus(eclass, ecode);
+ } else {
+ /* Something went wrong, we don't know what. */
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+}
+
+/* Push an error code into the inbuf to be returned on the next
+ * query. */
+
+void cli_set_nt_error(struct cli_state *cli, NTSTATUS status)
+{
+ SSVAL(cli->inbuf,smb_flg2, SVAL(cli->inbuf,smb_flg2)|FLAGS2_32_BIT_ERROR_CODES);
+ SIVAL(cli->inbuf, smb_rcls, NT_STATUS_V(status));
+}
git.samba.org / samba.git / blobdiff