1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/* $Id: tstRTSymlink.cpp $ */
/** @file
* IPRT Testcase - Symbolic Links.
*/
/*
* Copyright (C) 2010-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/symlink.h>
#include <iprt/test.h>
#include <iprt/dir.h>
#include <iprt/err.h>
#include <iprt/file.h>
#include <iprt/param.h>
#include <iprt/path.h>
#include <iprt/process.h>
#include <iprt/string.h>
#include <iprt/initterm.h>
static void test1Worker(RTTEST hTest, const char *pszBaseDir,
const char *pszTarget, RTSYMLINKTYPE enmType, bool fDangling)
{
char szPath1[RTPATH_MAX];
char szPath2[RTPATH_MAX];
size_t cchTarget = strlen(pszTarget);
char szPath3[RTPATH_MAX];
RTStrCopy(szPath3, sizeof(szPath3), pszTarget);
#ifdef RT_OS_WINDOWS
/* see RTSymlinkCreate in symlink-win.cpp */
char c;
char *psz = szPath3;
while ((c = *psz) != '\0')
{
if (c == '/')
*psz = '\\';
psz++;
}
#endif
/* Create it.*/
RTTESTI_CHECK_RC_OK_RETV(RTPathJoin(szPath1, sizeof(szPath1), pszBaseDir, "tstRTSymlink-link-1"));
RTSymlinkDelete(szPath1, 0); /* clean up previous run */
int rc = RTSymlinkCreate(szPath1, pszTarget, RTSYMLINKTYPE_FILE, 0);
if (rc == VERR_NOT_SUPPORTED)
{
RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "VERR_NOT_SUPPORTED - skipping\n");
return;
}
RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
/* Check the predicate functions. */
RTTESTI_CHECK(RTSymlinkExists(szPath1));
RTTESTI_CHECK(RTSymlinkIsDangling(szPath1) == fDangling);
/* Read it. */
memset(szPath2, 0xff, sizeof(szPath2));
szPath2[sizeof(szPath2) - 1] = '\0';
RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, sizeof(szPath2), 0), VINF_SUCCESS);
RTTESTI_CHECK_MSG(strcmp(szPath2, szPath3) == 0, ("got=\"%s\" expected=\"%s\"", szPath2, szPath3));
memset(szPath2, 0xff, sizeof(szPath2));
szPath2[sizeof(szPath2) - 1] = '\0';
RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, cchTarget + 1, 0), VINF_SUCCESS);
RTTESTI_CHECK_MSG(strcmp(szPath2, szPath3) == 0, ("got=\"%s\" expected=\"%s\"", szPath2, szPath3));
memset(szPath2, 0xff, sizeof(szPath2));
szPath2[sizeof(szPath2) - 1] = '\0';
RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, cchTarget, 0), VERR_BUFFER_OVERFLOW);
RTTESTI_CHECK_MSG( strncmp(szPath2, szPath3, cchTarget - 1) == 0
&& szPath2[cchTarget - 1] == '\0',
("got=\"%s\" expected=\"%.*s\"", szPath2, cchTarget - 1, szPath3));
/* Other APIs that have to handle symlinks carefully. */
RTFSOBJINFO ObjInfo;
RTTESTI_CHECK_RC(rc = RTPathQueryInfo(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
if (RT_SUCCESS(rc))
RTTESTI_CHECK(RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
RTTESTI_CHECK_RC(rc = RTPathQueryInfoEx(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
if (RT_SUCCESS(rc))
RTTESTI_CHECK(RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
if (!fDangling)
{
RTTESTI_CHECK_RC(rc = RTPathQueryInfoEx(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_FOLLOW_LINK), VINF_SUCCESS);
if (RT_SUCCESS(rc))
RTTESTI_CHECK(!RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
else
RT_ZERO(ObjInfo);
if (enmType == RTSYMLINKTYPE_DIR)
{
RTTESTI_CHECK(RTDirExists(szPath1));
RTTESTI_CHECK(RTFS_IS_DIRECTORY(ObjInfo.Attr.fMode));
}
else if (enmType == RTSYMLINKTYPE_FILE)
{
RTTESTI_CHECK(RTFileExists(szPath1));
RTTESTI_CHECK(RTFS_IS_FILE(ObjInfo.Attr.fMode));
}
/** @todo Check more APIs */
}
/* Finally, the removal of the symlink. */
RTTESTI_CHECK_RC(RTSymlinkDelete(szPath1, 0), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTSymlinkDelete(szPath1, 0), VERR_FILE_NOT_FOUND);
}
static void test1(RTTEST hTest, const char *pszBaseDir)
{
char szPath1[RTPATH_MAX];
/*
* Making some assumptions about how we are executed from to start with...
*/
RTTestISub("Negative RTSymlinkRead, Exists & IsDangling");
char szExecDir[RTPATH_MAX];
RTTESTI_CHECK_RC_OK_RETV(RTPathExecDir(szExecDir, sizeof(szExecDir)));
RTTESTI_CHECK(RTDirExists(szExecDir));
char szExecFile[RTPATH_MAX];
RTTESTI_CHECK_RETV(RTProcGetExecutablePath(szExecFile, sizeof(szExecFile)) != NULL);
RTTESTI_CHECK(RTFileExists(szExecFile));
RTTESTI_CHECK(!RTSymlinkExists(szExecFile));
RTTESTI_CHECK(!RTSymlinkExists(szExecDir));
RTTESTI_CHECK(!RTSymlinkIsDangling(szExecFile));
RTTESTI_CHECK(!RTSymlinkIsDangling(szExecDir));
RTTESTI_CHECK(!RTSymlinkExists("/"));
RTTESTI_CHECK(!RTSymlinkIsDangling("/"));
RTTESTI_CHECK(!RTSymlinkExists("/some/non-existing/directory/name/iprt"));
RTTESTI_CHECK(!RTSymlinkExists("/some/non-existing/directory/name/iprt/"));
RTTESTI_CHECK(!RTSymlinkIsDangling("/some/non-existing/directory/name/iprt"));
RTTESTI_CHECK(!RTSymlinkIsDangling("/some/non-existing/directory/name/iprt/"));
RTTESTI_CHECK_RC(RTSymlinkRead(szExecFile, szPath1, sizeof(szPath1), 0), VERR_NOT_SYMLINK);
RTTESTI_CHECK_RC(RTSymlinkRead(szExecDir, szPath1, sizeof(szPath1), 0), VERR_NOT_SYMLINK);
/*
* Do some symlinking. ASSUME they are supported on the test file system.
*/
RTTestISub("Basics");
RTTESTI_CHECK_RETV(RTDirExists(pszBaseDir));
test1Worker(hTest, pszBaseDir, szExecFile, RTSYMLINKTYPE_FILE, false /*fDangling*/);
test1Worker(hTest, pszBaseDir, szExecDir, RTSYMLINKTYPE_DIR, false /*fDangling*/);
test1Worker(hTest, pszBaseDir, szExecFile, RTSYMLINKTYPE_UNKNOWN, false /*fDangling*/);
test1Worker(hTest, pszBaseDir, szExecDir, RTSYMLINKTYPE_UNKNOWN, false /*fDangling*/);
/*
* Create a few dangling links.
*/
RTTestISub("Dangling links");
test1Worker(hTest, pszBaseDir, "../dangle/dangle", RTSYMLINKTYPE_FILE, true /*fDangling*/);
test1Worker(hTest, pszBaseDir, "../dangle/dangle", RTSYMLINKTYPE_DIR, true /*fDangling*/);
test1Worker(hTest, pszBaseDir, "../dangle/dangle", RTSYMLINKTYPE_UNKNOWN, true /*fDangling*/);
test1Worker(hTest, pszBaseDir, "../dangle/dangle/", RTSYMLINKTYPE_UNKNOWN, true /*fDangling*/);
}
int main()
{
RTTEST hTest;
int rc = RTTestInitAndCreate("tstRTSymlink", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
test1(hTest, ".");
return RTTestSummaryAndDestroy(hTest);
}
|
