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#ifndef GLUTEN_H
#define GLUTEN_H
#include <stdint.h>
#include <stdbool.h>
#define MAX_FD_INJECTED 10
enum ns_spec_type {
NS_NONE,
NS_SPEC_TARGET,
NS_SPEC_PID,
NS_SPEC_PATH,
};
struct ns_spec {
enum ns_spec_type type;
union {
pid_t pid;
char *path;
};
};
/*
* enum ns_type - Type of namespaces
*/
enum ns_type {
NS_CGROUP,
NS_IPC,
NS_NET,
NS_MOUNT,
NS_PID,
NS_TIME,
NS_USER,
NS_UTS,
};
/*
* struct act_context - Description of the context where the call needs to be executed
* @ns: Descrption of the each namespace where the call needs to be executed
*/
struct act_context {
struct ns_spec ns[sizeof(enum ns_type)];
};
enum action_type {
A_CALL,
A_BLOCK,
A_CONT,
A_INJECT,
A_INJECT_A,
};
struct act_call {
long nr;
void *args[6];
struct act_context context;
};
struct act_block {
int32_t error;
};
struct act_continue {
bool cont;
};
struct act_return {
int64_t value;
};
struct act_inject {
uint32_t newfd;
uint32_t old;
};
struct act_inject_a {
uint32_t newfd;
uint32_t old;
int64_t value;
};
struct action {
enum action_type type;
union {
struct act_call call;
struct act_block block;
struct act_continue cont;
struct act_return ret;
struct act_inject inj;
struct act_inject_a inj_a;
};
};
#endif /* GLUTEN_H */
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