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authorJosé Bollo <jose.bollo@iot.bzh>2015-12-23 15:31:09 +0100
committerJosé Bollo <jose.bollo@iot.bzh>2015-12-23 16:17:24 +0100
commit9549e8c28032c2d1fb578c43f1b340d1457b3c70 (patch)
tree1e6e1681c05375f83f45de35f57f43a66afaf502 /src
parentdacfe1eeef622d7db8824392db9b6be877ee6a8c (diff)
zip/unzip: don't only rely on libzip
Change-Id: I2bd2cf0c9447a47fdb56661c15e852e52e9dcba7
Diffstat (limited to 'src')
-rw-r--r--src/CMakeLists.txt13
-rw-r--r--src/wgtpkg-zip.c95
2 files changed, 101 insertions, 7 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 499d38a..89d4d51 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,7 +21,6 @@ cmake_minimum_required(VERSION 2.8)
include(FindPkgConfig)
pkg_check_modules(EXTRAS REQUIRED
- libzip>=0.11
libxml-2.0
openssl
xmlsec1 xmlsec1-openssl
@@ -33,6 +32,18 @@ add_compile_options(${EXTRAS_CFLAGS})
include_directories(${EXTRAS_INCLUDE_DIRS})
link_libraries(${EXTRAS_LIBRARIES})
+if(USE_LIBZIP)
+ pkg_check_modules(LIBZIP REQUIRED libzip>=0.11)
+ add_compile_options(${LIBZIP_CFLAGS})
+ include_directories(${LIBZIP_INCLUDE_DIRS})
+ link_libraries(${LIBZIP_LIBRARIES})
+ add_definitions(-DUSE_LIBZIP=1)
+else(USE_LIBZIP)
+ find_program(PATH_TO_ZIP zip)
+ find_program(PATH_TO_UNZIP unzip)
+ add_definitions(-DUSE_LIBZIP=0 -DPATH_TO_ZIP="${PATH_TO_ZIP}" -DPATH_TO_UNZIP="${PATH_TO_UNZIP}")
+endif(USE_LIBZIP)
+
###########################################################################
include_directories(simulation)
diff --git a/src/wgtpkg-zip.c b/src/wgtpkg-zip.c
index 75cb164..0b1234b 100644
--- a/src/wgtpkg-zip.c
+++ b/src/wgtpkg-zip.c
@@ -19,7 +19,6 @@
#define _BSD_SOURCE /* see readdir */
#include <limits.h>
-#include <zip.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -32,14 +31,20 @@
#include "verbose.h"
#include "wgtpkg.h"
-
-#if !defined(MODE_OF_FILE_CREATION)
#define MODE_OF_FILE_CREATION 0640
-#endif
-#if !defined(MODE_OF_DIRECTORY_CREATION)
#define MODE_OF_DIRECTORY_CREATION 0750
+
+#if !defined(USE_LIBZIP)
+# define USE_LIBZIP 1
#endif
+/***********************************************************
+ * USING LIBZIP
+ ***********************************************************/
+#if USE_LIBZIP
+
+#include <zip.h>
+
static int is_valid_filename(const char *filename)
{
int lastsp = 0;
@@ -340,12 +345,90 @@ int zwrite(const char *zipfile)
return err;
}
+/***********************************************************
+ * NOT USING LIBZIP: FORKING
+ ***********************************************************/
+#else
+
+#include <sys/wait.h>
+
+extern char **environ;
+
+static int zrun(const char *path, const char *args[])
+{
+ int rc;
+ siginfo_t si;
+
+ rc = fork();
+ if (rc < 0) {
+ /* can't fork */
+ ERROR("error while forking in zrun: %m");
+ return rc;
+ }
+ if (!rc) {
+ rc = execve(realpath(path, NULL), (char * const*)args, environ);
+ ERROR("can't execute %s in zrun: %m", args[0]);
+ _exit(1);
+ return rc;
+ }
+ /* wait termination of the child */
+ rc = waitid(P_PID, (id_t)rc, &si, WEXITED);
+ if (rc)
+ ERROR("unexpected wait status in zrun of %s: %m", args[0]);
+ else if (si.si_code != CLD_EXITED)
+ ERROR("unexpected termination status of %s in zrun", args[0]);
+ else if (si.si_status != 0)
+ ERROR("child for %s terminated with error code %d in zwrite", args[0], si.si_status);
+ else
+ return 0;
+ return -1;
+}
+
+/* read (extract) 'zipfile' in current directory */
+int zread(const char *zipfile, unsigned long long maxsize)
+{
+ int rc;
+ const char *args[6];
+
+ args[0] = "unzip";
+ args[1] = "-q";
+ args[2] = "-d";
+ args[3] = workdir;
+ args[4] = zipfile;
+ args[5] = NULL;
+
+ file_reset();
+ rc = zrun(PATH_TO_UNZIP, args);
+ if (!rc)
+ rc = fill_files();
+ return rc;
+}
+
+/* write (pack) content of the current directory in 'zipfile' */
+int zwrite(const char *zipfile)
+{
+ const char *args[6];
+
+ args[0] = "zip";
+ args[1] = "-q";
+ args[2] = "-r";
+ args[3] = workdir;
+ args[4] = zipfile;
+ args[5] = NULL;
+
+ return zrun(PATH_TO_ZIP, args);
+}
+
+#endif
+/***********************************************************
+* TESTING
+***********************************************************/
#if defined(TEST_READ)
int main(int ac, char **av)
{
for(av++ ; *av ; av++)
- zread(*av);
+ zread(*av, 0);
return 0;
}
#endif