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-rw-r--r--testsuites/libtests/tar01/init.c199
1 files changed, 198 insertions, 1 deletions
diff --git a/testsuites/libtests/tar01/init.c b/testsuites/libtests/tar01/init.c
index 4cad67a6ae..2deff3a482 100644
--- a/testsuites/libtests/tar01/init.c
+++ b/testsuites/libtests/tar01/init.c
@@ -7,6 +7,33 @@
* http://www.rtems.org/license/LICENSE.
*/
+/*
+ * Note on the used tar file: Generate the file on a system that supports
+ * symlinks with the following commands (tested on Linux - you might have to
+ * adapt on other systems):
+ *
+ * export WORK=some_work_directory
+ * rm -r ${WORK}
+ * mkdir -p ${WORK}/home/abc/def
+ * mkdir -p ${WORK}/home/dir
+ * cd ${WORK}
+ * echo "#! joel" > home/abc/def/test_script
+ * echo "ls -las /dev" >> home/abc/def/test_script
+ * chmod 755 home/abc/def/test_script
+ * echo "This is a test of loading an RTEMS filesystem from an" > home/test_file
+ * echo "initial tar image." >> home/test_file
+ * echo "Hello world" >> home/dir/file
+ * ln -s home/test_file symlink
+ * tar cf tar01.tar --format=ustar \
+ * symlink \
+ * home/test_file \
+ * home/abc/def/test_script \
+ * home/dir
+ *
+ * Note that "home/dir" is in the archive as separate directory. "home/abc" is
+ * only in the archive as a parent of the file "test_script".
+ */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -95,6 +122,84 @@ void test_untar_from_memory(void)
}
+static void assert_file_content(
+ const char *name,
+ const char *expected_content,
+ ssize_t expected_size
+)
+{
+ char buf[16];
+ int fd;
+ int rd;
+
+ fd = open(name, O_RDONLY);
+ rtems_test_assert( fd >= 0 );
+ do {
+ rd = read(fd, buf, sizeof(buf));
+ rtems_test_assert( rd >= 0 );
+ if (rd > 0) {
+ rtems_test_assert( expected_size - rd >= 0 );
+ rtems_test_assert( memcmp(buf, expected_content, rd) == 0 );
+ expected_content += rd;
+ expected_size -= rd;
+ }
+ } while(rd > 0);
+ rtems_test_assert( expected_size == 0 );
+ close(fd);
+}
+
+static void assert_content_like_expected(void)
+{
+ const char *directories[] = {
+ "home",
+ "home/abc",
+ "home/abc/def",
+ "home/dir",
+ };
+ const char *symlinks[] = {
+ "symlink",
+ };
+ const struct {
+ const char *name;
+ const char *content;
+ } files[] = {
+ {
+ .name = "home/abc/def/test_script",
+ .content = "#! joel\nls -las /dev\n",
+ }, {
+ .name = "home/test_file",
+ .content = "This is a test of loading an RTEMS filesystem from an\n"
+ "initial tar image.\n",
+ }, {
+ .name = "home/dir/file",
+ .content = "Hello world\n",
+ }
+ };
+ size_t i;
+ struct stat st;
+
+ for(i = 0; i < RTEMS_ARRAY_SIZE(directories); ++i) {
+ lstat(directories[i], &st);
+ rtems_test_assert( S_ISDIR(st.st_mode) );
+ }
+
+ for(i = 0; i < RTEMS_ARRAY_SIZE(symlinks); ++i) {
+ lstat(symlinks[i], &st);
+ rtems_test_assert( S_ISLNK(st.st_mode) );
+ }
+
+ for(i = 0; i < RTEMS_ARRAY_SIZE(files); ++i) {
+ lstat(files[i].name, &st);
+ rtems_test_assert( S_ISREG(st.st_mode) );
+
+ assert_file_content(
+ files[i].name,
+ files[i].content,
+ strlen(files[i].content)
+ );
+ }
+}
+
void test_untar_from_file(void)
{
int fd;
@@ -119,13 +224,105 @@ void test_untar_from_file(void)
rv = chdir( "/dest" );
rtems_test_assert( rv == 0 );
- /* Untar it */
+ /* Case 1: Untar it into empty directory */
rv = Untar_FromFile( "/test.tar" );
printf("Untaring from file - ");
if (rv != UNTAR_SUCCESSFUL) {
printf ("error: untar failed: %i\n", rv);
exit(1);
}
+ assert_content_like_expected();
+ printf ("successful\n");
+
+ /* Case 2: Most files exist */
+ rv = unlink("/dest/home/test_file");
+ rtems_test_assert( rv == 0 );
+
+ rv = Untar_FromFile( "/test.tar" );
+ printf("Untar from file into existing structure with one missing file - ");
+ if (rv != UNTAR_SUCCESSFUL) {
+ printf ("error: untar failed: %i\n", rv);
+ exit(1);
+ }
+ assert_content_like_expected();
+ printf ("successful\n");
+
+ /* Case 3: An empty directory exists where a file should be */
+ rv = unlink("/dest/home/test_file");
+ rtems_test_assert( rv == 0 );
+ rv = mkdir("/dest/home/test_file", S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+ rtems_test_assert( rv == 0 );
+
+ rv = Untar_FromFile( "/test.tar" );
+ printf("Untar from file; overwrite empty directory with file - ");
+ if (rv != UNTAR_SUCCESSFUL) {
+ printf ("error: untar failed: %i\n", rv);
+ exit(1);
+ }
+ assert_content_like_expected();
+ printf ("successful\n");
+
+ /* Case 4: A file exists where a parent directory should be created */
+ rv = unlink("/dest/home/abc/def/test_script");
+ rtems_test_assert( rv == 0 );
+ rv = unlink("/dest/home/abc/def");
+ rtems_test_assert( rv == 0 );
+ rv = unlink("/dest/home/abc");
+ rtems_test_assert( rv == 0 );
+ fd = creat("/dest/home/abc", S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ rtems_test_assert( fd >= 0 );
+ close(fd);
+
+ rv = Untar_FromFile( "/test.tar" );
+ printf("Untar from file; file exists where parent dir should be created - ");
+ if (rv != UNTAR_FAIL) {
+ printf ("error: untar didn't fail like expected: %i\n", rv);
+ exit(1);
+ }
+ printf ("expected fail\n");
+ /* cleanup so that the next one works */
+ rv = unlink("/dest/home/abc");
+ rtems_test_assert( rv == 0 );
+
+ /* Case 5: A non-empty directory exists where a file should be created */
+ rv = unlink("/dest/home/test_file");
+ rtems_test_assert( rv == 0 );
+ rv = mkdir("/dest/home/test_file", S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+ rtems_test_assert( rv == 0 );
+ fd = creat("/dest/home/test_file/file",
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ rtems_test_assert( fd >= 0 );
+ close(fd);
+
+ rv = Untar_FromFile( "/test.tar" );
+ printf("Untar from file; non-empty dir where file should be created - ");
+ if (rv != UNTAR_FAIL) {
+ printf ("error: untar didn't fail like expected: %i\n", rv);
+ exit(1);
+ }
+ printf ("expected fail\n");
+ /* cleanup so that the next one works */
+ rv = unlink("/dest/home/test_file/file");
+ rtems_test_assert( rv == 0 );
+ rv = unlink("/dest/home/test_file");
+ rtems_test_assert( rv == 0 );
+
+ /* Case 6: A file exists where a directory is explicitly in the archive */
+ rv = unlink("/dest/home/dir/file");
+ rtems_test_assert( rv == 0 );
+ rv = unlink("/dest/home/dir");
+ rtems_test_assert( rv == 0 );
+ fd = creat("/dest/home/dir", S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ rtems_test_assert( fd >= 0 );
+ close(fd);
+
+ rv = Untar_FromFile( "/test.tar" );
+ printf("Untar from file; overwrite file with explicit directory - ");
+ if (rv != UNTAR_SUCCESSFUL) {
+ printf ("error: untar failed: %i\n", rv);
+ exit(1);
+ }
+ assert_content_like_expected();
printf ("successful\n");
/******************/
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