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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* Copyright Red Hat
*/
#include <errno.h>
#include <inttypes.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libkmod/libkmod.h>
#include "testsuite.h"
#define EXEC_MODPROBE(...) \
test_spawn_prog(TOOLS_DIR "/modprobe", \
(const char *[]){ TOOLS_DIR "/modprobe", ##__VA_ARGS__, NULL })
static const char *const mod_name[] = {
"mod-loop-b",
"mod-weakdep",
NULL,
};
static int test_weakdep(const struct test *t)
{
struct kmod_ctx *ctx;
int mod_name_index = 0;
int err;
ctx = kmod_new(NULL, NULL);
if (ctx == NULL)
exit(EXIT_FAILURE);
while (mod_name[mod_name_index]) {
struct kmod_list *list = NULL;
struct kmod_module *mod = NULL;
struct kmod_list *mod_list = NULL;
struct kmod_list *itr = NULL;
printf("%s:", mod_name[mod_name_index]);
err = kmod_module_new_from_lookup(ctx, mod_name[mod_name_index], &list);
if (list == NULL || err < 0) {
fprintf(stderr, "module %s not found in directory %s\n",
mod_name[mod_name_index],
ctx ? kmod_get_dirname(ctx) : "(missing)");
exit(EXIT_FAILURE);
}
mod = kmod_module_get_module(list);
err = kmod_module_get_weakdeps(mod, &mod_list);
if (err) {
fprintf(stderr, "weak dependencies can not be read for %s (%d)\n",
mod_name[mod_name_index], err);
exit(EXIT_FAILURE);
}
kmod_list_foreach(itr, mod_list) {
struct kmod_module *weakdep_mod = kmod_module_get_module(itr);
const char *weakdep_name = kmod_module_get_name(weakdep_mod);
printf(" %s", weakdep_name);
kmod_module_unref(weakdep_mod);
}
printf("\n");
kmod_module_unref_list(mod_list);
kmod_module_unref(mod);
kmod_module_unref_list(list);
mod_name_index++;
}
kmod_unref(ctx);
return EXIT_SUCCESS;
}
DEFINE_TEST(test_weakdep,
.description = "check if libkmod breaks weakdep",
.config = {
[TC_UNAME_R] = "4.4.4",
[TC_ROOTFS] = TESTSUITE_ROOTFS "test-weakdep",
[TC_INIT_MODULE_RETCODES] = "",
},
.output = {
.out = TESTSUITE_ROOTFS "test-weakdep/correct-weakdep.txt",
});
static noreturn int modprobe_config(const struct test *t)
{
EXEC_MODPROBE("-c");
exit(EXIT_FAILURE);
}
DEFINE_TEST(modprobe_config,
.description = "check modprobe config parsing with weakdep",
.config = {
[TC_UNAME_R] = "4.4.4",
[TC_ROOTFS] = TESTSUITE_ROOTFS "test-weakdep",
},
.output = {
.out = TESTSUITE_ROOTFS "test-weakdep/modprobe-c.txt",
});
TESTSUITE_MAIN();
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