mirror of
https://github.com/moparisthebest/curl
synced 2024-12-23 16:48:49 -05:00
dcd6f81025
The function does not return the same value as snprintf() normally does, so readers may be mislead into thinking the code works differently than it actually does. A different function name makes this easier to detect. Reported-by: Tomas Hoger Assisted-by: Daniel Gustafsson Fixes #3296 Closes #3297
358 lines
11 KiB
C
358 lines
11 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curlcheck.h"
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#include "tool_cfgable.h"
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#include "tool_doswin.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "memdebug.h" /* LAST include file */
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static CURLcode unit_setup(void)
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{
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return CURLE_OK;
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}
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static void unit_stop(void)
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{
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}
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#if defined(MSDOS) || defined(WIN32)
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static char *getflagstr(int flags)
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{
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char *buf = malloc(256);
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if(buf) {
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msnprintf(buf, 256, "%s,%s,%s,%s",
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((flags & SANITIZE_ALLOW_COLONS) ?
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"SANITIZE_ALLOW_COLONS" : ""),
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((flags & SANITIZE_ALLOW_PATH) ?
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"SANITIZE_ALLOW_PATH" : ""),
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((flags & SANITIZE_ALLOW_RESERVED) ?
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"SANITIZE_ALLOW_RESERVED" : ""),
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((flags & SANITIZE_ALLOW_TRUNCATE) ?
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"SANITIZE_ALLOW_TRUNCATE" : ""));
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}
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return buf;
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}
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static char *getcurlcodestr(int cc)
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{
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char *buf = malloc(256);
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if(buf) {
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msnprintf(buf, 256, "%s (%d)",
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(cc == SANITIZE_ERR_OK ? "SANITIZE_ERR_OK" :
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cc == SANITIZE_ERR_BAD_ARGUMENT ? "SANITIZE_ERR_BAD_ARGUMENT" :
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cc == SANITIZE_ERR_INVALID_PATH ? "SANITIZE_ERR_INVALID_PATH" :
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cc == SANITIZE_ERR_OUT_OF_MEMORY ? "SANITIZE_ERR_OUT_OF_MEMORY":
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"unexpected error code - add name"),
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cc);
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}
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return buf;
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}
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struct data {
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const char *input;
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int flags;
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const char *expected_output;
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CURLcode expected_result;
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};
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UNITTEST_START
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{ /* START sanitize_file_name */
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struct data data[] = {
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{ "", 0,
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"", SANITIZE_ERR_OK
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},
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{ "normal filename", 0,
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"normal filename", SANITIZE_ERR_OK
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},
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{ "control\tchar", 0,
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"control_char", SANITIZE_ERR_OK
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},
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{ "banned*char", 0,
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"banned_char", SANITIZE_ERR_OK
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},
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{ "f:foo", 0,
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"f_foo", SANITIZE_ERR_OK
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},
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{ "f:foo", SANITIZE_ALLOW_COLONS,
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"f:foo", SANITIZE_ERR_OK
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},
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{ "f:foo", SANITIZE_ALLOW_PATH,
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"f:foo", SANITIZE_ERR_OK
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},
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{ "f:\\foo", 0,
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"f__foo", SANITIZE_ERR_OK
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},
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{ "f:\\foo", SANITIZE_ALLOW_PATH,
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"f:\\foo", SANITIZE_ERR_OK
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},
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{ "f:/foo", 0,
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"f__foo", SANITIZE_ERR_OK
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},
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{ "f:/foo", SANITIZE_ALLOW_PATH,
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"f:/foo", SANITIZE_ERR_OK
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},
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#ifndef MSDOS
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{ "\\\\?\\C:\\foo", SANITIZE_ALLOW_PATH,
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"\\\\?\\C:\\foo", SANITIZE_ERR_OK
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},
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{ "\\\\?\\C:\\foo", 0,
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"____C__foo", SANITIZE_ERR_OK
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},
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#endif
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{ "foo:bar", 0,
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"foo_bar", SANITIZE_ERR_OK
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},
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{ "foo|<>/bar\\\":?*baz", 0,
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"foo____bar_____baz", SANITIZE_ERR_OK
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},
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{ "f:foo::$DATA", 0,
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"f_foo__$DATA", SANITIZE_ERR_OK
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},
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{ "con . air", 0,
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"con _ air", SANITIZE_ERR_OK
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},
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{ "con.air", 0,
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"con_air", SANITIZE_ERR_OK
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},
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{ "con:/x", 0,
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"con__x", SANITIZE_ERR_OK
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},
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{ "file . . . . .. .", 0,
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"file", SANITIZE_ERR_OK
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},
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{ "foo . . ? . . ", 0,
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"foo . . _", SANITIZE_ERR_OK
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},
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{ "com1", 0,
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"_com1", SANITIZE_ERR_OK
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},
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{ "com1", SANITIZE_ALLOW_RESERVED,
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"com1", SANITIZE_ERR_OK
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},
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{ "f:\\com1", 0,
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"f__com1", SANITIZE_ERR_OK
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},
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{ "f:\\com1", SANITIZE_ALLOW_PATH,
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"f:\\_com1", SANITIZE_ERR_OK
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},
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{ "f:\\com1", SANITIZE_ALLOW_RESERVED,
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"f__com1", SANITIZE_ERR_OK
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},
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{ "f:\\com1", SANITIZE_ALLOW_RESERVED | SANITIZE_ALLOW_COLONS,
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"f:_com1", SANITIZE_ERR_OK
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},
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{ "f:\\com1", SANITIZE_ALLOW_RESERVED | SANITIZE_ALLOW_PATH,
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"f:\\com1", SANITIZE_ERR_OK
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},
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{ "com1:\\com1", SANITIZE_ALLOW_PATH,
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"_com1:\\_com1", SANITIZE_ERR_OK
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},
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{ "com1:\\com1", SANITIZE_ALLOW_RESERVED | SANITIZE_ALLOW_PATH,
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"com1:\\com1", SANITIZE_ERR_OK
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},
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{ "com1:\\com1", SANITIZE_ALLOW_RESERVED,
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"com1__com1", SANITIZE_ERR_OK
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},
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#ifndef MSDOS
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{ "\\com1", SANITIZE_ALLOW_PATH,
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"\\_com1", SANITIZE_ERR_OK
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},
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{ "\\\\com1", SANITIZE_ALLOW_PATH,
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"\\\\com1", SANITIZE_ERR_OK
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},
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{ "\\\\?\\C:\\com1", SANITIZE_ALLOW_PATH,
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"\\\\?\\C:\\com1", SANITIZE_ERR_OK
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},
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#endif
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{ "CoM1", 0,
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"_CoM1", SANITIZE_ERR_OK
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},
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{ "CoM1", SANITIZE_ALLOW_RESERVED,
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"CoM1", SANITIZE_ERR_OK
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},
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{ "COM56", 0,
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"COM56", SANITIZE_ERR_OK
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},
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/* At the moment we expect a maximum path length of 259. I assume MSDOS
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has variable max path lengths depending on compiler that are shorter
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so currently these "good" truncate tests won't run on MSDOS */
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#ifndef MSDOS
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE,
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFFFF", SANITIZE_ERR_OK
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFF\\FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE | SANITIZE_ALLOW_PATH,
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFF\\FFFFF", SANITIZE_ERR_OK
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFF\\FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE,
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFF_F", SANITIZE_ERR_OK
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},
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#endif /* !MSDOS */
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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0,
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NULL, SANITIZE_ERR_INVALID_PATH
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFFF\\FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE,
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NULL, SANITIZE_ERR_INVALID_PATH
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFFFFFFFFFFFFFFFFFFFFFFFF\\FFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE | SANITIZE_ALLOW_PATH,
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NULL, SANITIZE_ERR_INVALID_PATH
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FFF\\FFFFFFFFFFFFFFFFFFFFF:FFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE | SANITIZE_ALLOW_PATH,
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NULL, SANITIZE_ERR_INVALID_PATH
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},
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{ "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
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"BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"
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"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
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"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD"
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"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"
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"FF\\F:FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
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SANITIZE_ALLOW_TRUNCATE | SANITIZE_ALLOW_PATH,
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NULL, SANITIZE_ERR_INVALID_PATH
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},
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{ NULL, 0,
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NULL, SANITIZE_ERR_BAD_ARGUMENT
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},
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};
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size_t i;
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for(i = 0; i < sizeof(data) / sizeof(data[0]); ++i) {
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char *output = NULL;
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char *flagstr = NULL;
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char *received_ccstr = NULL;
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char *expected_ccstr = NULL;
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CURLcode res = sanitize_file_name(&output, data[i].input, data[i].flags);
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if(res == data[i].expected_result &&
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((!output && !data[i].expected_output) ||
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(output && data[i].expected_output &&
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!strcmp(output, data[i].expected_output)))) { /* OK */
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free(output);
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continue;
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}
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flagstr = getflagstr(data[i].flags);
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abort_unless(flagstr, "out of memory");
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received_ccstr = getcurlcodestr(res);
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abort_unless(received_ccstr, "out of memory");
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expected_ccstr = getcurlcodestr(data[i].expected_result);
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abort_unless(expected_ccstr, "out of memory");
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unitfail++;
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fprintf(stderr, "\n"
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"%s:%d sanitize_file_name failed.\n"
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"input: %s\n"
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"flags: %s\n"
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"output: %s\n"
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"result: %s\n"
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"expected output: %s\n"
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"expected result: %s\n",
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__FILE__, __LINE__,
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data[i].input,
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flagstr,
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(output ? output : "(null)"),
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received_ccstr,
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(data[i].expected_output ? data[i].expected_output : "(null)"),
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expected_ccstr);
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free(output);
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free(flagstr);
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free(received_ccstr);
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free(expected_ccstr);
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}
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} /* END sanitize_file_name */
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#else
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UNITTEST_START
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{
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fprintf(stderr, "Skipped test not for this platform\n");
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}
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#endif /* MSDOS || WIN32 */
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UNITTEST_STOP
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