/*** This file is part of systemd. Copyright 2015 Zbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include "alloc-util.h" #include "fstab-util.h" #include "log.h" #include "string-util.h" #include "util.h" /* int fstab_filter_options(const char *opts, const char *names, const char **namefound, char **value, char **filtered); */ static void do_fstab_filter_options(const char *opts, const char *remove, int r_expected, const char *name_expected, const char *value_expected, const char *filtered_expected) { int r; const char *name; _cleanup_free_ char *value, *filtered; r = fstab_filter_options(opts, remove, &name, &value, &filtered); log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"", opts, r, name, value, filtered, r_expected, name_expected, value_expected, filtered_expected ?: opts); assert_se(r == r_expected); assert_se(streq_ptr(name, name_expected)); assert_se(streq_ptr(value, value_expected)); assert_se(streq_ptr(filtered, filtered_expected ?: opts)); /* also test the malloc-less mode */ r = fstab_filter_options(opts, remove, &name, NULL, NULL); log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"", opts, r, name, r_expected, name_expected); assert_se(r == r_expected); assert_se(streq_ptr(name, name_expected)); } static void test_fstab_filter_options(void) { do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", ""); do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", ""); do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, ""); do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, ""); do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, ""); do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other"); do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other"); do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other"); do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other"); do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other"); do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL); do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL); do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL); do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first"); do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1"); do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first"); do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1"); do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1"); do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1"); do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2"); do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last"); do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last"); do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last"); /* check repeated options */ do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1"); do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2"); do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", ""); do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", ""); /* check that semicolons are not misinterpreted */ do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", ""); do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL); do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL); /* check that spaces are not misinterpreted */ do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", ""); do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL); do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL); /* check function will NULL args */ do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, ""); do_fstab_filter_options("", "opt\0", 0, NULL, NULL, ""); } static void test_fstab_find_pri(void) { int pri = -1; assert_se(fstab_find_pri("pri", &pri) == 0); assert_se(pri == -1); assert_se(fstab_find_pri("pri=11", &pri) == 1); assert_se(pri == 11); assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1); assert_se(pri == 12); assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1); assert_se(pri == 13); } static void test_fstab_yes_no_option(void) { assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true); assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false); assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false); assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true); assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false); } int main(void) { test_fstab_filter_options(); test_fstab_find_pri(); test_fstab_yes_no_option(); }