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authorAmarnath Valluri <amarnath.valluri@intel.com>2017-02-10 16:31:59 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-02-23 12:49:52 -0800
commit5fb6bf022574ce159204c4a0e9442ce822430b01 (patch)
treeb17e7543095151792b5615adc258259590fcbcf2 /meta/recipes-extended/libarchive
parent8bcfdf4d29598c6216536cd27c630d540fb4bcbf (diff)
downloadpoky-5fb6bf022574ce159204c4a0e9442ce822430b01.tar.gz
libarchive: Backport upstream fixes.
These set of patches backported from upstream, which fixes the issues in extracting hardlinks over softlinks while etracting packages by opkg. (From OE-Core rev: d123490284331c02854f6527a04086c058b7c32e) Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-extended/libarchive')
-rw-r--r--meta/recipes-extended/libarchive/files/0001-archive_write_disk_posix.c-make-_fsobj-functions-mor.patch245
-rw-r--r--meta/recipes-extended/libarchive/files/0002-Fix-extracting-hardlinks-over-symlinks.patch120
-rw-r--r--meta/recipes-extended/libarchive/libarchive_3.2.2.bb2
3 files changed, 367 insertions, 0 deletions
diff --git a/meta/recipes-extended/libarchive/files/0001-archive_write_disk_posix.c-make-_fsobj-functions-mor.patch b/meta/recipes-extended/libarchive/files/0001-archive_write_disk_posix.c-make-_fsobj-functions-mor.patch
new file mode 100644
index 0000000000..e911a7c1f2
--- /dev/null
+++ b/meta/recipes-extended/libarchive/files/0001-archive_write_disk_posix.c-make-_fsobj-functions-mor.patch
@@ -0,0 +1,245 @@
1From 90881d24d3f6d5fb207e97df3b91bbea8598e84e Mon Sep 17 00:00:00 2001
2From: Martin Matuska <martin@matuska.org>
3Date: Tue, 29 Nov 2016 16:47:37 +0100
4Subject: [PATCH 1/2] archive_write_disk_posix.c: make *_fsobj functions more
5 readable
6
7Upstream-Status: Backported
8
9Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
10---
11 libarchive/archive_write_disk_posix.c | 121 +++++++++++++++++-----------------
12 1 file changed, 61 insertions(+), 60 deletions(-)
13
14diff --git a/libarchive/archive_write_disk_posix.c b/libarchive/archive_write_disk_posix.c
15index 17c23b0..d786bc2 100644
16--- a/libarchive/archive_write_disk_posix.c
17+++ b/libarchive/archive_write_disk_posix.c
18@@ -336,6 +336,8 @@ struct archive_write_disk {
19
20 #define HFS_BLOCKS(s) ((s) >> 12)
21
22+static void fsobj_error(int *, struct archive_string *, int, const char *,
23+ const char *);
24 static int check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error_string, int flags);
25 static int check_symlinks(struct archive_write_disk *);
26 static int create_filesystem_object(struct archive_write_disk *);
27@@ -2005,8 +2007,9 @@ restore_entry(struct archive_write_disk *a)
28
29 if (en) {
30 /* Everything failed; give up here. */
31- archive_set_error(&a->archive, en, "Can't create '%s'",
32- a->name);
33+ if ((&a->archive)->error == NULL)
34+ archive_set_error(&a->archive, en, "Can't create '%s'",
35+ a->name);
36 return (ARCHIVE_FAILED);
37 }
38
39@@ -2388,6 +2391,17 @@ current_fixup(struct archive_write_disk *a, const char *pathname)
40 return (a->current_fixup);
41 }
42
43+/* Error helper for new *_fsobj functions */
44+static void
45+fsobj_error(int *a_eno, struct archive_string *a_estr,
46+ int err, const char *errstr, const char *path)
47+{
48+ if (a_eno)
49+ *a_eno = err;
50+ if (a_estr)
51+ archive_string_sprintf(a_estr, errstr, path);
52+}
53+
54 /*
55 * TODO: Someday, integrate this with the deep dir support; they both
56 * scan the path and both can be optimized by comparing against other
57@@ -2400,7 +2414,7 @@ current_fixup(struct archive_write_disk *a, const char *pathname)
58 * ARCHIVE_OK if there are none, otherwise puts an error in errmsg.
59 */
60 static int
61-check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error_string, int flags)
62+check_symlinks_fsobj(char *path, int *a_eno, struct archive_string *a_estr, int flags)
63 {
64 #if !defined(HAVE_LSTAT)
65 /* Platform doesn't have lstat, so we can't look for symlinks. */
66@@ -2474,19 +2488,20 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
67 if (errno == ENOENT) {
68 break;
69 } else {
70- /* Treat any other error as fatal - best to be paranoid here
71- * Note: This effectively disables deep directory
72- * support when security checks are enabled.
73- * Otherwise, very long pathnames that trigger
74- * an error here could evade the sandbox.
75- * TODO: We could do better, but it would probably
76- * require merging the symlink checks with the
77- * deep-directory editing. */
78- if (error_number) *error_number = errno;
79- if (error_string)
80- archive_string_sprintf(error_string,
81- "Could not stat %s",
82- path);
83+ /*
84+ * Treat any other error as fatal - best to be
85+ * paranoid here.
86+ * Note: This effectively disables deep
87+ * directory support when security checks are
88+ * enabled. Otherwise, very long pathnames that
89+ * trigger an error here could evade the
90+ * sandbox.
91+ * TODO: We could do better, but it would
92+ * probably require merging the symlink checks
93+ * with the deep-directory editing.
94+ */
95+ fsobj_error(a_eno, a_estr, errno,
96+ "Could not stat %s", path);
97 res = ARCHIVE_FAILED;
98 break;
99 }
100@@ -2494,11 +2509,8 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
101 if (!last) {
102 if (chdir(head) != 0) {
103 tail[0] = c;
104- if (error_number) *error_number = errno;
105- if (error_string)
106- archive_string_sprintf(error_string,
107- "Could not chdir %s",
108- path);
109+ fsobj_error(a_eno, a_estr, errno,
110+ "Could not chdir %s", path);
111 res = (ARCHIVE_FATAL);
112 break;
113 }
114@@ -2514,11 +2526,9 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
115 */
116 if (unlink(head)) {
117 tail[0] = c;
118- if (error_number) *error_number = errno;
119- if (error_string)
120- archive_string_sprintf(error_string,
121- "Could not remove symlink %s",
122- path);
123+ fsobj_error(a_eno, a_estr, errno,
124+ "Could not remove symlink %s",
125+ path);
126 res = ARCHIVE_FAILED;
127 break;
128 }
129@@ -2529,13 +2539,14 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
130 * symlink with another symlink.
131 */
132 tail[0] = c;
133- /* FIXME: not sure how important this is to restore
134+ /*
135+ * FIXME: not sure how important this is to
136+ * restore
137+ */
138+ /*
139 if (!S_ISLNK(path)) {
140- if (error_number) *error_number = 0;
141- if (error_string)
142- archive_string_sprintf(error_string,
143- "Removing symlink %s",
144- path);
145+ fsobj_error(a_eno, a_estr, 0,
146+ "Removing symlink %s", path);
147 }
148 */
149 /* Symlink gone. No more problem! */
150@@ -2545,22 +2556,17 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
151 /* User asked us to remove problems. */
152 if (unlink(head) != 0) {
153 tail[0] = c;
154- if (error_number) *error_number = 0;
155- if (error_string)
156- archive_string_sprintf(error_string,
157- "Cannot remove intervening symlink %s",
158- path);
159+ fsobj_error(a_eno, a_estr, 0,
160+ "Cannot remove intervening "
161+ "symlink %s", path);
162 res = ARCHIVE_FAILED;
163 break;
164 }
165 tail[0] = c;
166 } else {
167 tail[0] = c;
168- if (error_number) *error_number = 0;
169- if (error_string)
170- archive_string_sprintf(error_string,
171- "Cannot extract through symlink %s",
172- path);
173+ fsobj_error(a_eno, a_estr, 0,
174+ "Cannot extract through symlink %s", path);
175 res = ARCHIVE_FAILED;
176 break;
177 }
178@@ -2577,10 +2583,8 @@ check_symlinks_fsobj(char *path, int *error_number, struct archive_string *error
179 if (restore_pwd >= 0) {
180 r = fchdir(restore_pwd);
181 if (r != 0) {
182- if(error_number) *error_number = errno;
183- if(error_string)
184- archive_string_sprintf(error_string,
185- "chdir() failure");
186+ fsobj_error(a_eno, a_estr, errno,
187+ "chdir() failure", "");
188 }
189 close(restore_pwd);
190 restore_pwd = -1;
191@@ -2688,17 +2692,16 @@ cleanup_pathname_win(struct archive_write_disk *a)
192 * is set) if the path is absolute.
193 */
194 static int
195-cleanup_pathname_fsobj(char *path, int *error_number, struct archive_string *error_string, int flags)
196+cleanup_pathname_fsobj(char *path, int *a_eno, struct archive_string *a_estr,
197+ int flags)
198 {
199 char *dest, *src;
200 char separator = '\0';
201
202 dest = src = path;
203 if (*src == '\0') {
204- if (error_number) *error_number = ARCHIVE_ERRNO_MISC;
205- if (error_string)
206- archive_string_sprintf(error_string,
207- "Invalid empty pathname");
208+ fsobj_error(a_eno, a_estr, ARCHIVE_ERRNO_MISC,
209+ "Invalid empty ", "pathname");
210 return (ARCHIVE_FAILED);
211 }
212
213@@ -2708,10 +2711,8 @@ cleanup_pathname_fsobj(char *path, int *error_number, struct archive_string *err
214 /* Skip leading '/'. */
215 if (*src == '/') {
216 if (flags & ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS) {
217- if (error_number) *error_number = ARCHIVE_ERRNO_MISC;
218- if (error_string)
219- archive_string_sprintf(error_string,
220- "Path is absolute");
221+ fsobj_error(a_eno, a_estr, ARCHIVE_ERRNO_MISC,
222+ "Path is ", "absolute");
223 return (ARCHIVE_FAILED);
224 }
225
226@@ -2738,11 +2739,11 @@ cleanup_pathname_fsobj(char *path, int *error_number, struct archive_string *err
227 } else if (src[1] == '.') {
228 if (src[2] == '/' || src[2] == '\0') {
229 /* Conditionally warn about '..' */
230- if (flags & ARCHIVE_EXTRACT_SECURE_NODOTDOT) {
231- if (error_number) *error_number = ARCHIVE_ERRNO_MISC;
232- if (error_string)
233- archive_string_sprintf(error_string,
234- "Path contains '..'");
235+ if (flags
236+ & ARCHIVE_EXTRACT_SECURE_NODOTDOT) {
237+ fsobj_error(a_eno, a_estr,
238+ ARCHIVE_ERRNO_MISC,
239+ "Path contains ", "'..'");
240 return (ARCHIVE_FAILED);
241 }
242 }
243--
2442.7.4
245
diff --git a/meta/recipes-extended/libarchive/files/0002-Fix-extracting-hardlinks-over-symlinks.patch b/meta/recipes-extended/libarchive/files/0002-Fix-extracting-hardlinks-over-symlinks.patch
new file mode 100644
index 0000000000..37418632f3
--- /dev/null
+++ b/meta/recipes-extended/libarchive/files/0002-Fix-extracting-hardlinks-over-symlinks.patch
@@ -0,0 +1,120 @@
1From ece28103885a079a129a23c5001252a1648517af Mon Sep 17 00:00:00 2001
2From: Martin Matuska <martin@matuska.org>
3Date: Tue, 29 Nov 2016 16:55:41 +0100
4Subject: [PATCH 2/2] Fix extracting hardlinks over symlinks
5
6Closes #821
7
8Upstream-Status: Backported
9
10Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com>
11---
12 libarchive/archive_write_disk_posix.c | 43 +++++++++++++++++++++++++++++++++++
13 tar/test/test_symlink_dir.c | 18 ++++++++++++++-
14 2 files changed, 60 insertions(+), 1 deletion(-)
15
16diff --git a/libarchive/archive_write_disk_posix.c b/libarchive/archive_write_disk_posix.c
17index d786bc2..80b03cd 100644
18--- a/libarchive/archive_write_disk_posix.c
19+++ b/libarchive/archive_write_disk_posix.c
20@@ -2563,6 +2563,49 @@ check_symlinks_fsobj(char *path, int *a_eno, struct archive_string *a_estr, int
21 break;
22 }
23 tail[0] = c;
24+ } else if ((flags &
25+ ARCHIVE_EXTRACT_SECURE_SYMLINKS) == 0) {
26+ /*
27+ * We are not the last element and we want to
28+ * follow symlinks if they are a directory.
29+ *
30+ * This is needed to extract hardlinks over
31+ * symlinks.
32+ */
33+ r = stat(head, &st);
34+ if (r != 0) {
35+ tail[0] = c;
36+ if (errno == ENOENT) {
37+ break;
38+ } else {
39+ fsobj_error(a_eno, a_estr,
40+ errno,
41+ "Could not stat %s", path);
42+ res = (ARCHIVE_FAILED);
43+ break;
44+ }
45+ } else if (S_ISDIR(st.st_mode)) {
46+ if (chdir(head) != 0) {
47+ tail[0] = c;
48+ fsobj_error(a_eno, a_estr,
49+ errno,
50+ "Could not chdir %s", path);
51+ res = (ARCHIVE_FATAL);
52+ break;
53+ }
54+ /*
55+ * Our view is now from inside
56+ * this dir:
57+ */
58+ head = tail + 1;
59+ } else {
60+ tail[0] = c;
61+ fsobj_error(a_eno, a_estr, 0,
62+ "Cannot extract through "
63+ "symlink %s", path);
64+ res = ARCHIVE_FAILED;
65+ break;
66+ }
67 } else {
68 tail[0] = c;
69 fsobj_error(a_eno, a_estr, 0,
70diff --git a/tar/test/test_symlink_dir.c b/tar/test/test_symlink_dir.c
71index 25bd8b1..852e00b 100644
72--- a/tar/test/test_symlink_dir.c
73+++ b/tar/test/test_symlink_dir.c
74@@ -47,11 +47,18 @@ DEFINE_TEST(test_symlink_dir)
75 assertMakeDir("source/dir3", 0755);
76 assertMakeDir("source/dir3/d3", 0755);
77 assertMakeFile("source/dir3/f3", 0755, "abcde");
78+ assertMakeDir("source/dir4", 0755);
79+ assertMakeFile("source/dir4/file3", 0755, "abcdef");
80+ assertMakeHardlink("source/dir4/file4", "source/dir4/file3");
81
82 assertEqualInt(0,
83 systemf("%s -cf test.tar -C source dir dir2 dir3 file file2",
84 testprog));
85
86+ /* Second archive with hardlinks */
87+ assertEqualInt(0,
88+ systemf("%s -cf test2.tar -C source dir4", testprog));
89+
90 /*
91 * Extract with -x and without -P.
92 */
93@@ -118,9 +125,15 @@ DEFINE_TEST(test_symlink_dir)
94 assertMakeSymlink("dest2/file2", "real_file2");
95 assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog));
96
97- /* dest2/dir symlink should be followed */
98+ /* "dir4" is a symlink to existing "real_dir" */
99+ if (canSymlink())
100+ assertMakeSymlink("dest2/dir4", "real_dir");
101+ assertEqualInt(0, systemf("%s -xPf test2.tar -C dest2", testprog));
102+
103+ /* dest2/dir and dest2/dir4 symlinks should be followed */
104 if (canSymlink()) {
105 assertIsSymlink("dest2/dir", "real_dir");
106+ assertIsSymlink("dest2/dir4", "real_dir");
107 assertIsDir("dest2/real_dir", -1);
108 }
109
110@@ -141,4 +154,7 @@ DEFINE_TEST(test_symlink_dir)
111 /* dest2/file2 symlink should be removed */
112 failure("Symlink to non-existing file should be removed");
113 assertIsReg("dest2/file2", -1);
114+
115+ /* dest2/dir4/file3 and dest2/dir4/file4 should be hard links */
116+ assertIsHardlink("dest2/dir4/file3", "dest2/dir4/file4");
117 }
118--
1192.7.4
120
diff --git a/meta/recipes-extended/libarchive/libarchive_3.2.2.bb b/meta/recipes-extended/libarchive/libarchive_3.2.2.bb
index a7c1204bd2..a7ec621fb9 100644
--- a/meta/recipes-extended/libarchive/libarchive_3.2.2.bb
+++ b/meta/recipes-extended/libarchive/libarchive_3.2.2.bb
@@ -36,6 +36,8 @@ PACKAGECONFIG[lz4] = "--with-lz4,--without-lz4,lz4,"
36 36
37SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz \ 37SRC_URI = "http://libarchive.org/downloads/libarchive-${PV}.tar.gz \
38 file://non-recursive-extract-and-list.patch \ 38 file://non-recursive-extract-and-list.patch \
39 file://0001-archive_write_disk_posix.c-make-_fsobj-functions-mor.patch \
40 file://0002-Fix-extracting-hardlinks-over-symlinks.patch \
39 " 41 "
40 42
41SRC_URI[md5sum] = "1ec00b7dcaf969dd2a5712f85f23c764" 43SRC_URI[md5sum] = "1ec00b7dcaf969dd2a5712f85f23c764"
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-05-26 04:13:43 +0000