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samba-mirror/source4/torture/basic/utable.c
Michael Adam f7256914d0 s4:torture:basic: fix O3 error unused result of write
in test_utable

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>
2016-05-13 00:16:16 +02:00

203 lines
5.0 KiB
C

/*
Unix SMB/CIFS implementation.
SMB torture tester - unicode table dumper
Copyright (C) Andrew Tridgell 2001
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/locale.h"
#include "libcli/libcli.h"
#include "torture/util.h"
#include "param/param.h"
#include "torture/basic/proto.h"
#include "lib/util/sys_rw.h"
bool torture_utable(struct torture_context *tctx,
struct smbcli_state *cli)
{
char fname[256];
const char *alt_name;
int fnum;
uint8_t c2[4];
int c, fd;
size_t len;
int chars_allowed=0, alt_allowed=0;
uint8_t valid[0x10000];
torture_comment(tctx, "Generating valid character table\n");
memset(valid, 0, sizeof(valid));
torture_assert(tctx, torture_setup_dir(cli, "\\utable"),
"Setting up dir \\utable failed");
for (c=1; c < 0x10000; c++) {
char *p;
SSVAL(c2, 0, c);
strncpy(fname, "\\utable\\x", sizeof(fname)-1);
p = fname+strlen(fname);
len = 0;
if (!convert_string(CH_UTF16, CH_UNIX,
c2, 2,
p, sizeof(fname)-strlen(fname), &len)) {
torture_comment(tctx, "convert_string failed [%s]\n",
fname);
continue;
}
p[len] = 0;
strncat(fname,"_a_long_extension",sizeof(fname)-1);
fnum = smbcli_open(cli->tree, fname, O_RDWR | O_CREAT | O_TRUNC,
DENY_NONE);
if (fnum == -1) continue;
chars_allowed++;
smbcli_qpathinfo_alt_name(cli->tree, fname, &alt_name);
if (strncmp(alt_name, "X_A_L", 5) != 0) {
alt_allowed++;
valid[c] = 1;
torture_comment(tctx, "fname=[%s] alt_name=[%s]\n", fname, alt_name);
}
smbcli_close(cli->tree, fnum);
smbcli_unlink(cli->tree, fname);
if (c % 100 == 0) {
if (torture_setting_bool(tctx, "progress", true)) {
torture_comment(tctx, "%d (%d/%d)\r", c, chars_allowed, alt_allowed);
fflush(stdout);
}
}
}
torture_comment(tctx, "%d (%d/%d)\n", c, chars_allowed, alt_allowed);
smbcli_rmdir(cli->tree, "\\utable");
torture_comment(tctx, "%d chars allowed %d alt chars allowed\n", chars_allowed, alt_allowed);
fd = open("valid.dat", O_WRONLY|O_CREAT|O_TRUNC, 0644);
torture_assert(tctx, fd != -1,
talloc_asprintf(tctx,
"Failed to create valid.dat - %s", strerror(errno)));
sys_write_v(fd, valid, 0x10000);
close(fd);
torture_comment(tctx, "wrote valid.dat\n");
return true;
}
static char *form_name(int c)
{
static char fname[256];
uint8_t c2[4];
char *p;
size_t len = 0;
strncpy(fname, "\\utable\\", sizeof(fname)-1);
p = fname+strlen(fname);
SSVAL(c2, 0, c);
if (!convert_string(CH_UTF16, CH_UNIX,
c2, 2,
p, sizeof(fname)-strlen(fname), &len)) {
return NULL;
}
p[len] = 0;
return fname;
}
bool torture_casetable(struct torture_context *tctx,
struct smbcli_state *cli)
{
char *fname;
int fnum;
int c, i;
#define MAX_EQUIVALENCE 8
codepoint_t equiv[0x10000][MAX_EQUIVALENCE];
torture_comment(tctx, "Determining upper/lower case table\n");
memset(equiv, 0, sizeof(equiv));
torture_assert(tctx, torture_setup_dir(cli, "\\utable"),
"Error setting up dir \\utable");
for (c=1; c < 0x10000; c++) {
size_t size;
if (c == '.' || c == '\\') continue;
torture_comment(tctx, "%04x (%c)\n", c, isprint(c)?c:'.');
fname = form_name(c);
if (fname == NULL) continue;
fnum = smbcli_nt_create_full(cli->tree, fname, 0,
#if 0
SEC_RIGHT_MAXIMUM_ALLOWED,
#else
SEC_RIGHTS_FILE_ALL,
#endif
FILE_ATTRIBUTE_NORMAL,
NTCREATEX_SHARE_ACCESS_NONE,
NTCREATEX_DISP_OPEN_IF, 0, 0);
if (fnum == -1) {
torture_comment(tctx, "Failed to create file with char %04x\n", c);
continue;
}
size = 0;
if (NT_STATUS_IS_ERR(smbcli_qfileinfo(cli->tree, fnum, NULL, &size,
NULL, NULL, NULL, NULL, NULL))) continue;
if (size > 0) {
/* found a character equivalence! */
int c2[MAX_EQUIVALENCE];
if (size/sizeof(int) >= MAX_EQUIVALENCE) {
torture_comment(tctx, "too many chars match?? size=%d c=0x%04x\n",
(int)size, c);
smbcli_close(cli->tree, fnum);
return false;
}
smbcli_read(cli->tree, fnum, c2, 0, size);
torture_comment(tctx, "%04x: ", c);
equiv[c][0] = c;
for (i=0; i<size/sizeof(int); i++) {
torture_comment(tctx, "%04x ", c2[i]);
equiv[c][i+1] = c2[i];
}
torture_comment(tctx, "\n");
}
smbcli_write(cli->tree, fnum, 0, &c, size, sizeof(c));
smbcli_close(cli->tree, fnum);
}
smbcli_unlink(cli->tree, "\\utable\\*");
smbcli_rmdir(cli->tree, "\\utable");
return true;
}