added cli_qpathinfo_alt_name() for fetching the 8.3 name of a file

(This used to be commit b2eb7feb7f5bafe953fdeb92daaf9e4f08e44983)

diff --git a/source3/libsmb/clirap.c b/source3/libsmb/clirap.c
index 90f4d546d195f0ce161a9426230e7cf0004bf1f3..2136ba118b62ee68b66b343e92ae69d99887ab13 100644 (file)
--- a/source3/libsmb/clirap.c
+++ b/source3/libsmb/clirap.c
@@ -627,3 +627,68 @@ BOOL cli_qfileinfo_test(struct cli_state *cli, int fnum, int level, char *outdat
        SAFE_FREE(rparam);
        return True;
 }
+
+
+
+/****************************************************************************
+send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call
+****************************************************************************/
+NTSTATUS cli_qpathinfo_alt_name(struct cli_state *cli, const char *fname, fstring alt_name)
+{
+       int data_len = 0;
+       int param_len = 0;
+       uint16 setup = TRANSACT2_QPATHINFO;
+       pstring param;
+       char *rparam=NULL, *rdata=NULL;
+       int count=8;
+       char *p;
+       BOOL ret;
+       int len;
+
+       p = param;
+       memset(p, 0, 6);
+       SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
+       p += 6;
+       p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
+
+       param_len = PTR_DIFF(p, param);
+
+       do {
+               ret = (cli_send_trans(cli, SMBtrans2, 
+                                     NULL,           /* Name */
+                                     -1, 0,          /* fid, flags */
+                                     &setup, 1, 0,   /* setup, length, max */
+                                     param, param_len, 10, /* param, length, max */
+                                     NULL, data_len, cli->max_xmit /* data, length, max */
+                                     ) &&
+                      cli_receive_trans(cli, SMBtrans2, 
+                                        &rparam, &param_len,
+                                        &rdata, &data_len));
+               if (!ret && cli_is_dos_error(cli)) {
+                       /* we need to work around a Win95 bug - sometimes
+                          it gives ERRSRV/ERRerror temprarily */
+                       uint8 eclass;
+                       uint32 ecode;
+                       cli_dos_error(cli, &eclass, &ecode);
+                       if (eclass != ERRSRV || ecode != ERRerror) break;
+                       msleep(100);
+               }
+       } while (count-- && ret==False);
+
+       if (!ret || !rdata || data_len < 4) {
+               return NT_STATUS_UNSUCCESSFUL;
+       }
+
+       len = IVAL(rdata, 0);
+
+       if (len > data_len - 4) {
+               return NT_STATUS_INVALID_NETWORK_RESPONSE;
+       }
+
+       clistr_pull(cli, alt_name, rdata+4, sizeof(fstring), len, 0);
+
+       SAFE_FREE(rdata);
+       SAFE_FREE(rparam);
+
+       return NT_STATUS_OK;
+}