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seccomp: parse_v2_rules()

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2018-05-24 16:22:58 +02:00
parent 63a49b03f4
commit f67c94d00a
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 13 additions and 19 deletions
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32
src/lxc/seccomp.c
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@ -235,13 +235,11 @@ static int get_seccomp_arg_value(char *key, struct seccomp_v2_rule_args *rule_ar
* @rules : output struct.
* Returns 0 on success, < 0 otherwise.
*/
static int parse_v2_rules(char *line, uint32_t def_action, struct seccomp_v2_rule *rules)
static int parse_v2_rules(char *line, uint32_t def_action,
struct seccomp_v2_rule *rules)
{
int ret = 0 ;
int i = 0;
char *tmp = NULL;
char *key = NULL;
char *saveptr = NULL;
int i = 0, ret = -1;
char *key = NULL, *saveptr = NULL, *tmp = NULL;
tmp = strdup(line);
if (!tmp)
@ -249,33 +247,29 @@ static int parse_v2_rules(char *line, uint32_t def_action, struct seccomp_v2_rul
/* read optional action which follows the syscall */
rules->action = get_v2_action(tmp, def_action);
if (rules->action == -1) {
ERROR("Failed to interpret action");
ret = -1;
goto out;
}
ret = 0;
rules->args_num = 0;
if (!strchr(tmp, '[')) {
ret = 0;
if (!strchr(tmp, '['))
goto out;
}
for ((key = strtok_r(tmp, "]", &saveptr)), i = 0; key && i < 6; (key = strtok_r(NULL, "]", &saveptr)), i++) {
ret = -1;
for ((key = strtok_r(tmp, "]", &saveptr)), i = 0; key && i < 6;
(key = strtok_r(NULL, "]", &saveptr)), i++) {
ret = get_seccomp_arg_value(key, &rules->args_value[i]);
if (ret < 0) {
ret = -1;
if (ret < 0)
goto out;
}
rules->args_num++;
}
ret = 0;
out:
free(tmp);
return ret;
}
#endif
#if HAVE_DECL_SECCOMP_SYSCALL_RESOLVE_NAME_ARCH