diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/common/Makemodule.am | 1 | ||||
| -rw-r--r-- | lib/common/filename_sane.c | 26 |
2 files changed, 27 insertions, 0 deletions
diff --git a/lib/common/Makemodule.am b/lib/common/Makemodule.am index db366af..4f4562b 100644 --- a/lib/common/Makemodule.am +++ b/lib/common/Makemodule.am @@ -6,5 +6,6 @@ libcommon_a_SOURCES += lib/common/data_writer.c include/common.h libcommon_a_SOURCES += lib/common/get_path.c lib/common/io_stdin.c libcommon_a_SOURCES += lib/common/writer.c lib/common/perror.c libcommon_a_SOURCES += lib/common/dirstack.c lib/common/mkdir_p.c +libcommon_a_SOURCES += lib/common/filename_sane.c noinst_LIBRARIES += libcommon.a diff --git a/lib/common/filename_sane.c b/lib/common/filename_sane.c new file mode 100644 index 0000000..6b497c3 --- /dev/null +++ b/lib/common/filename_sane.c @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later */ +/* + * filename_sane.c + * + * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> + */ +#include "common.h" + +bool is_filename_sane(const char *name) +{ + if (name[0] == '.') { + if (name[1] == '\0') + return false; + + if (name[1] == '.' && name[2] == '\0') + return false; + } + + while (*name != '\0') { + if (*name == '/') + return false; + ++name; + } + + return true; +} |