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lxccontainer: fail when container can't be loaded

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2021-08-30 17:55:09 +02:00
parent 89ad5d7bf0
commit 4a0d9c9972
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 41 additions and 68 deletions
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87
src/lxc/lxccontainer.c
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@ -2318,29 +2318,6 @@ static bool array_contains(char ***names, char *cname, int size)
return false;
}
static bool remove_from_array(char ***names, char *cname, int size)
{
char **result;
result = get_from_array(names, cname, size);
if (result) {
size_t i = result - *names;
char **newnames;
free(*result);
memmove(*names + i, *names + i + 1, (size - i - 1) * sizeof(char *));
newnames = realloc(*names, (size - 1) * sizeof(char *));
if (!newnames)
return ret_set_errno(true, ENOMEM);
*names = newnames;
return true;
}
return false;
}
static char **do_lxcapi_get_interfaces(struct lxc_container *c)
{
pid_t pid;
@ -5602,14 +5579,11 @@ int list_active_containers(const char *lxcpath, char ***nret,
c = lxc_container_new(p, lxcpath);
if (!c) {
INFO("Container %s:%s is running but could not be loaded",
lxcpath, p);
remove_from_array(&ct_name, p, ct_name_cnt--);
INFO("Container %s:%s is running but could not be loaded", lxcpath, p);
if (is_hashed)
free(p);
continue;
goto free_cret_list;
}
if (is_hashed)
@ -5664,9 +5638,8 @@ out:
int list_all_containers(const char *lxcpath, char ***nret,
struct lxc_container ***cret)
{
int i, ret, active_cnt, ct_cnt, ct_list_cnt;
char **active_name;
char **ct_name = NULL;
int active_cnt, ct_cnt, ct_list_cnt, ret;
char **active_name = NULL, **ct_name = NULL;
struct lxc_container **ct_list = NULL;
ct_cnt = list_defined_containers(lxcpath, &ct_name, NULL);
@ -5679,67 +5652,67 @@ int list_all_containers(const char *lxcpath, char ***nret,
goto free_ct_name;
}
for (i = 0; i < active_cnt; i++) {
if (!array_contains(&ct_name, active_name[i], ct_cnt)) {
if (!add_to_array(&ct_name, active_name[i], ct_cnt)) {
ret = -1;
ret = -EINVAL;
for (int i = 0; i < active_cnt; i++) {
if (array_contains(&ct_name, active_name[i], ct_cnt))
continue;
if (!add_to_array(&ct_name, active_name[i], ct_cnt))
goto free_active_name;
}
ct_cnt++;
}
free_disarm(active_name[i]);
}
free_disarm(active_name);
active_cnt = 0;
for (i = 0, ct_list_cnt = 0; i < ct_cnt && cret; i++) {
struct lxc_container *c;
if (cret) {
ct_list_cnt = 0;
for (int i = 0; i < ct_cnt; i++) {
__put_lxc_container struct lxc_container *c = NULL;
c = lxc_container_new(ct_name[i], lxcpath);
if (!c) {
WARN("Container %s:%s could not be loaded", lxcpath, ct_name[i]);
remove_from_array(&ct_name, ct_name[i], ct_cnt--);
continue;
}
if (!add_to_clist(&ct_list, c, ct_list_cnt, false)) {
lxc_container_put(c);
ret = -1;
goto free_ct_list;
}
if (!add_to_clist(&ct_list, c, ct_list_cnt, false))
goto free_ct_list;
ct_list_cnt++;
move_ptr(c);
}
if (cret)
*cret = ct_list;
}
for (int i = 0; i < active_cnt; i++)
free(active_name[i]);
free(active_name);
if (nret) {
*nret = ct_name;
} else {
ret = ct_cnt;
goto free_ct_name;
for (int i = 0; i < ct_cnt; i++)
free(ct_name[i]);
free(ct_name);
}
return ct_cnt;
free_ct_list:
for (i = 0; i < ct_list_cnt; i++)
for (int i = 0; i < ct_list_cnt; i++)
lxc_container_put(ct_list[i]);
free(ct_list);
free_active_name:
for (i = 0; i < active_cnt; i++)
for (int i = 0; i < active_cnt; i++)
free(active_name[i]);
free(active_name);
free_ct_name:
for (i = 0; i < ct_cnt; i++)
for (int i = 0; i < ct_cnt; i++)
free(ct_name[i]);
free(ct_name);
return ret;
}