diff options
Diffstat (limited to 'source4/torture/basic/mangle_test.c')
| -rw-r--r-- | source4/torture/basic/mangle_test.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/source4/torture/basic/mangle_test.c b/source4/torture/basic/mangle_test.c new file mode 100644 index 0000000..9bd3cf5 --- /dev/null +++ b/source4/torture/basic/mangle_test.c @@ -0,0 +1,208 @@ +/* + Unix SMB/CIFS implementation. + SMB torture tester - mangling test + Copyright (C) Andrew Tridgell 2002 + + 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 + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "system/filesys.h" +#include "system/dir.h" +#include <tdb.h> +#include "../lib/util/util_tdb.h" +#include "libcli/libcli.h" +#include "torture/util.h" +#include "torture/basic/proto.h" + +#undef strcasecmp + +static TDB_CONTEXT *tdb; + +#define NAME_LENGTH 20 + +static unsigned int total, collisions, failures; + +static bool test_one(struct torture_context *tctx ,struct smbcli_state *cli, + const char *name) +{ + int fnum; + const char *shortname; + const char *name2; + NTSTATUS status; + TDB_DATA data; + + total++; + + fnum = smbcli_open(cli->tree, name, O_RDWR|O_CREAT|O_EXCL, DENY_NONE); + if (fnum == -1) { + printf("open of %s failed (%s)\n", name, smbcli_errstr(cli->tree)); + return false; + } + + if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) { + printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree)); + return false; + } + + /* get the short name */ + status = smbcli_qpathinfo_alt_name(cli->tree, name, &shortname); + if (!NT_STATUS_IS_OK(status)) { + printf("query altname of %s failed (%s)\n", name, smbcli_errstr(cli->tree)); + return false; + } + + name2 = talloc_asprintf(tctx, "\\mangle_test\\%s", shortname); + if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name2))) { + printf("unlink of %s (%s) failed (%s)\n", + name2, name, smbcli_errstr(cli->tree)); + return false; + } + + /* recreate by short name */ + fnum = smbcli_open(cli->tree, name2, O_RDWR|O_CREAT|O_EXCL, DENY_NONE); + if (fnum == -1) { + printf("open2 of %s failed (%s)\n", name2, smbcli_errstr(cli->tree)); + return false; + } + if (NT_STATUS_IS_ERR(smbcli_close(cli->tree, fnum))) { + printf("close of %s failed (%s)\n", name, smbcli_errstr(cli->tree)); + return false; + } + + /* and unlink by long name */ + if (NT_STATUS_IS_ERR(smbcli_unlink(cli->tree, name))) { + printf("unlink2 of %s (%s) failed (%s)\n", + name, name2, smbcli_errstr(cli->tree)); + failures++; + smbcli_unlink(cli->tree, name2); + return true; + } + + /* see if the short name is already in the tdb */ + data = tdb_fetch_bystring(tdb, shortname); + if (data.dptr) { + /* maybe its a duplicate long name? */ + if (strcasecmp(name, (const char *)data.dptr) != 0) { + /* we have a collision */ + collisions++; + printf("Collision between %s and %s -> %s " + " (coll/tot: %u/%u)\n", + name, data.dptr, shortname, collisions, total); + } + free(data.dptr); + } else { + TDB_DATA namedata; + /* store it for later */ + namedata.dptr = discard_const_p(uint8_t, name); + namedata.dsize = strlen(name)+1; + tdb_store_bystring(tdb, shortname, namedata, TDB_REPLACE); + } + + return true; +} + + +static char *gen_name(TALLOC_CTX *mem_ctx) +{ + const char *chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._-$~..."; + unsigned int max_idx = strlen(chars); + unsigned int len; + int i; + char *p; + char *name; + + name = talloc_strdup(mem_ctx, "\\mangle_test\\"); + + len = 1 + random() % NAME_LENGTH; + + name = talloc_realloc(mem_ctx, name, char, strlen(name) + len + 6); + p = name + strlen(name); + + for (i=0;i<len;i++) { + p[i] = chars[random() % max_idx]; + } + + p[i] = 0; + + if (ISDOT(p) || ISDOTDOT(p)) { + p[0] = '_'; + } + + /* have a high probability of a common lead char */ + if (random() % 2 == 0) { + p[0] = 'A'; + } + + /* and a medium probability of a common lead string */ + if ((len > 5) && (random() % 10 == 0)) { + strlcpy(p, "ABCDE", 6); + } + + /* and a high probability of a good extension length */ + if (random() % 2 == 0) { + char *s = strrchr(p, '.'); + if (s) { + s[4] = 0; + } + } + + return name; +} + + +bool torture_mangle(struct torture_context *torture, + struct smbcli_state *cli) +{ + extern int torture_numops; + int i; + + /* we will use an internal tdb to store the names we have used */ + tdb = tdb_open(NULL, 100000, TDB_INTERNAL, 0, 0); + if (!tdb) { + printf("ERROR: Failed to open tdb\n"); + return false; + } + + if (!torture_setup_dir(cli, "\\mangle_test")) { + return false; + } + + for (i=0;i<torture_numops;i++) { + char *name; + + name = gen_name(torture); + + if (!test_one(torture, cli, name)) { + break; + } + if (total && total % 100 == 0) { + if (torture_setting_bool(torture, "progress", true)) { + printf("collisions %u/%u - %.2f%% (%u failures)\r", + collisions, total, (100.0*collisions) / total, failures); + } + } + } + + smbcli_unlink_wcard(cli->tree, "\\mangle_test\\*"); + if (NT_STATUS_IS_ERR(smbcli_rmdir(cli->tree, "\\mangle_test"))) { + printf("ERROR: Failed to remove directory\n"); + return false; + } + + printf("\nTotal collisions %u/%u - %.2f%% (%u failures)\n", + collisions, total, (100.0*collisions) / total, failures); + + return (failures == 0); +} |