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authorStephen Smalley <sds@tycho.nsa.gov>2012-02-09 20:13:23 +0100
committerStephen Smalley <sds@tycho.nsa.gov>2012-03-30 15:32:46 +0200
commit779701db515d1a0d363d5a8896252f331bc4e22a (patch)
tree46aacb687e7126a5a64949dd7ade2f284ee57c15 /minzip
parentAdd libselinux to LOCAL_STATIC_LIBRARIES wherever libext4_utils is used. (diff)
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Diffstat (limited to 'minzip')
-rw-r--r--minzip/Android.mk8
-rw-r--r--minzip/DirUtil.c21
-rw-r--r--minzip/DirUtil.h10
-rw-r--r--minzip/Zip.c25
-rw-r--r--minzip/Zip.h10
5 files changed, 67 insertions, 7 deletions
diff --git a/minzip/Android.mk b/minzip/Android.mk
index b1ee67439..6c1d0969c 100644
--- a/minzip/Android.mk
+++ b/minzip/Android.mk
@@ -11,7 +11,13 @@ LOCAL_SRC_FILES := \
LOCAL_C_INCLUDES += \
external/zlib \
external/safe-iop/include
-
+
+ifeq ($(HAVE_SELINUX),true)
+LOCAL_C_INCLUDES += external/libselinux/include
+LOCAL_STATIC_LIBRARIES += libselinux
+LOCAL_CFLAGS += -DHAVE_SELINUX
+endif
+
LOCAL_MODULE := libminzip
LOCAL_CFLAGS += -Wall
diff --git a/minzip/DirUtil.c b/minzip/DirUtil.c
index 20c89cd6f..0d49b5780 100644
--- a/minzip/DirUtil.c
+++ b/minzip/DirUtil.c
@@ -54,7 +54,8 @@ getPathDirStatus(const char *path)
int
dirCreateHierarchy(const char *path, int mode,
- const struct utimbuf *timestamp, bool stripFileName)
+ const struct utimbuf *timestamp, bool stripFileName,
+ struct selabel_handle *sehnd)
{
DirStatus ds;
@@ -144,7 +145,25 @@ dirCreateHierarchy(const char *path, int mode,
} else if (ds == DMISSING) {
int err;
+#ifdef HAVE_SELINUX
+ char *secontext = NULL;
+
+ if (sehnd) {
+ selabel_lookup(sehnd, &secontext, cpath, mode);
+ setfscreatecon(secontext);
+ }
+#endif
+
err = mkdir(cpath, mode);
+
+#ifdef HAVE_SELINUX
+
+ if (secontext) {
+ freecon(secontext);
+ setfscreatecon(NULL);
+ }
+#endif
+
if (err != 0) {
free(cpath);
return -1;
diff --git a/minzip/DirUtil.h b/minzip/DirUtil.h
index 5d881f562..1f378b75c 100644
--- a/minzip/DirUtil.h
+++ b/minzip/DirUtil.h
@@ -20,6 +20,13 @@
#include <stdbool.h>
#include <utime.h>
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#include <selinux/label.h>
+#else
+struct selabel_handle;
+#endif
+
/* Like "mkdir -p", try to guarantee that all directories
* specified in path are present, creating as many directories
* as necessary. The specified mode is passed to all mkdir
@@ -34,7 +41,8 @@
* (usually if some element of path is not a directory).
*/
int dirCreateHierarchy(const char *path, int mode,
- const struct utimbuf *timestamp, bool stripFileName);
+ const struct utimbuf *timestamp, bool stripFileName,
+ struct selabel_handle* sehnd);
/* rm -rf <path>
*/
diff --git a/minzip/Zip.c b/minzip/Zip.c
index 46d2f829e..54d5d55a3 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -930,7 +930,8 @@ static const char *targetEntryPath(MzPathHelper *helper, ZipEntry *pEntry)
bool mzExtractRecursive(const ZipArchive *pArchive,
const char *zipDir, const char *targetDir,
int flags, const struct utimbuf *timestamp,
- void (*callback)(const char *fn, void *), void *cookie)
+ void (*callback)(const char *fn, void *), void *cookie,
+ struct selabel_handle *sehnd)
{
if (zipDir[0] == '/') {
LOGE("mzExtractRecursive(): zipDir must be a relative path.\n");
@@ -1045,7 +1046,7 @@ bool mzExtractRecursive(const ZipArchive *pArchive,
if (pEntry->fileName[pEntry->fileNameLen-1] == '/') {
if (!(flags & MZ_EXTRACT_FILES_ONLY)) {
int ret = dirCreateHierarchy(
- targetFile, UNZIP_DIRMODE, timestamp, false);
+ targetFile, UNZIP_DIRMODE, timestamp, false, sehnd);
if (ret != 0) {
LOGE("Can't create containing directory for \"%s\": %s\n",
targetFile, strerror(errno));
@@ -1059,7 +1060,7 @@ bool mzExtractRecursive(const ZipArchive *pArchive,
* the containing directory exists.
*/
int ret = dirCreateHierarchy(
- targetFile, UNZIP_DIRMODE, timestamp, true);
+ targetFile, UNZIP_DIRMODE, timestamp, true, sehnd);
if (ret != 0) {
LOGE("Can't create containing directory for \"%s\": %s\n",
targetFile, strerror(errno));
@@ -1113,7 +1114,25 @@ bool mzExtractRecursive(const ZipArchive *pArchive,
/* The entry is a regular file.
* Open the target for writing.
*/
+
+#ifdef HAVE_SELINUX
+ char *secontext = NULL;
+
+ if (sehnd) {
+ selabel_lookup(sehnd, &secontext, targetFile, UNZIP_FILEMODE);
+ setfscreatecon(secontext);
+ }
+#endif
+
int fd = creat(targetFile, UNZIP_FILEMODE);
+
+#ifdef HAVE_SELINUX
+ if (secontext) {
+ freecon(secontext);
+ setfscreatecon(NULL);
+ }
+#endif
+
if (fd < 0) {
LOGE("Can't create target file \"%s\": %s\n",
targetFile, strerror(errno));
diff --git a/minzip/Zip.h b/minzip/Zip.h
index 9f99fba5b..0b1c9d532 100644
--- a/minzip/Zip.h
+++ b/minzip/Zip.h
@@ -14,6 +14,13 @@
#include "Hash.h"
#include "SysUtil.h"
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#include <selinux/label.h>
+#else
+struct selabel_handle;
+#endif
+
/*
* One entry in the Zip archive. Treat this as opaque -- use accessors below.
*
@@ -208,6 +215,7 @@ enum { MZ_EXTRACT_FILES_ONLY = 1, MZ_EXTRACT_DRY_RUN = 2 };
bool mzExtractRecursive(const ZipArchive *pArchive,
const char *zipDir, const char *targetDir,
int flags, const struct utimbuf *timestamp,
- void (*callback)(const char *fn, void*), void *cookie);
+ void (*callback)(const char *fn, void*), void *cookie,
+ struct selabel_handle *sehnd);
#endif /*_MINZIP_ZIP*/