Merge branch 'main' into 'main'

Implement xattr attribute removal

Closes #1187

See merge request GNOME/glib!2831
This commit is contained in:
Philip Withnall 2022-07-26 07:58:32 +00:00
commit 2b21a30a59
2 changed files with 32 additions and 7 deletions

View File

@ -261,10 +261,12 @@ get_selinux_context (const char *path,
#define g_fgetxattr(fd,name,value,size) fgetxattr(fd,name,value,size,0,0)
#define g_flistxattr(fd,name,size) flistxattr(fd,name,size,0)
#define g_setxattr(path,name,value,size) setxattr(path,name,value,size,0,0)
#define g_removexattr(path,name) removexattr(path,name,0)
#else
#define g_fgetxattr fgetxattr
#define g_flistxattr flistxattr
#define g_setxattr(path,name,value,size) setxattr(path,name,value,size,0)
#define g_removexattr(path,name) removexattr(path,name)
#endif
static gssize
@ -774,10 +776,10 @@ set_xattr (char *filename,
return FALSE;
}
if (attr_value->type != G_FILE_ATTRIBUTE_TYPE_STRING)
if (attr_value->type != G_FILE_ATTRIBUTE_TYPE_STRING && attr_value->type != G_FILE_ATTRIBUTE_TYPE_INVALID)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
_("Invalid attribute type (string expected)"));
_("Invalid attribute type (string or invalid expected)"));
return FALSE;
}
@ -799,16 +801,27 @@ set_xattr (char *filename,
escaped_attribute += strlen ("xattr-sys::");
is_user = FALSE;
}
attribute = hex_unescape_string (escaped_attribute, NULL, &free_attribute);
value = hex_unescape_string (attr_value->u.string, &val_len, &free_value);
if (is_user)
a = g_strconcat ("user.", attribute, NULL);
else
a = attribute;
res = g_setxattr (filename, a, value, val_len);
if (attr_value->type == G_FILE_ATTRIBUTE_TYPE_STRING)
{
value = hex_unescape_string (attr_value->u.string, &val_len, &free_value);
res = g_setxattr (filename, a, value, val_len);
}
else
{
value = NULL;
val_len = 0;
free_value = FALSE;
res = g_removexattr (filename, a);
}
errsv = errno;
if (is_user)

View File

@ -1015,7 +1015,7 @@ test_xattrs (void)
{
GFile *file = NULL;
GFileIOStream *stream = NULL;
GFileInfo *file_info0 = NULL, *file_info1 = NULL;
GFileInfo *file_info0 = NULL, *file_info1 = NULL, *file_info2 = NULL;
GError *local_error = NULL;
g_test_summary ("Test setting and getting escaped xattrs");
@ -1037,6 +1037,7 @@ test_xattrs (void)
g_file_info_set_attribute_string (file_info0, "xattr::escaped", "hello\\x82\\x80\\xbd");
g_file_info_set_attribute_string (file_info0, "xattr::string", "hi there");
g_file_info_set_attribute_string (file_info0, "xattr::embedded-nul", "hi\\x00there");
g_file_info_set_attribute_string (file_info0, "xattr::deleteme", "this attribute will be deleted");
g_file_set_attributes_from_info (file, file_info0, G_FILE_QUERY_INFO_NONE, NULL, &local_error);
@ -1061,8 +1062,19 @@ test_xattrs (void)
g_assert_cmpstr (g_file_info_get_attribute_string (file_info1, "xattr::escaped"), ==, "hello\\x82\\x80\\xbd");
g_assert_cmpstr (g_file_info_get_attribute_string (file_info1, "xattr::string"), ==, "hi there");
g_assert_cmpstr (g_file_info_get_attribute_string (file_info1, "xattr::embedded-nul"), ==, "hi\\x00there");
g_assert_cmpstr (g_file_info_get_attribute_string (file_info1, "xattr::deleteme"), ==, "this attribute will be deleted");
g_object_unref (file_info1);
/* Check whether removing extended attributes works. */
g_file_set_attribute (file, "xattr::deleteme", G_FILE_ATTRIBUTE_TYPE_INVALID, NULL, G_FILE_QUERY_INFO_NONE, NULL, &local_error);
g_assert_no_error (local_error);
file_info2 = g_file_query_info (file, "xattr::deleteme", G_FILE_QUERY_INFO_NONE, NULL, &local_error);
g_assert_no_error (local_error);
g_assert_nonnull (file_info2);
g_assert_cmpstr (g_file_info_get_attribute_string (file_info2, "xattr::deleteme"), ==, NULL);
g_object_unref (file_info2);
}
/* Tidy up. */