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Add error code for magiskhide

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This commit is contained in:
topjohnwu 2017-04-22 01:40:07 +08:00
parent be5739508b
commit e00e6509ee
5 changed files with 58 additions and 20 deletions
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31
jni/magiskhide/list_manager.c
View File

@ -11,14 +11,16 @@
#include "magiskhide.h"
int add_list(char *proc) {
if (!hideEnabled)
return 1;
if (!hideEnabled) {
free(proc);
return HIDE_NOT_ENABLED;
}
char *line;
struct vector *new_list, *temp = hide_list;
new_list = xmalloc(sizeof(*new_list));
if (new_list == NULL)
return 1;
return HIDE_ERROR;
vec_init(new_list);
vec_for_each(hide_list, line) {
@ -27,7 +29,7 @@ int add_list(char *proc) {
free(proc);
vec_destroy(new_list);
free(new_list);
return 2;
return HIDE_ITEM_EXIST;
}
vec_push_back(new_list, line);
}
@ -45,19 +47,22 @@ int add_list(char *proc) {
vec_destroy(temp);
free(temp);
if (vector_to_file(HIDELIST, hide_list))
return 1;
return 0;
return HIDE_ERROR;
return HIDE_SUCCESS;
}
int rm_list(char *proc) {
if (!hideEnabled)
return 1;
if (!hideEnabled) {
free(proc);
return HIDE_NOT_ENABLED;
}
hide_ret ret = HIDE_ERROR;
char *line;
struct vector *new_list, *temp;
temp = new_list = xmalloc(sizeof(*new_list));
if (new_list == NULL)
return 1;
goto error;
vec_init(new_list);
vec_for_each(hide_list, line) {
@ -77,14 +82,18 @@ int rm_list(char *proc) {
pthread_mutex_lock(&hide_lock);
hide_list = new_list;
pthread_mutex_unlock(&hide_lock);
ret = HIDE_SUCCESS;
if (vector_to_file(HIDELIST, hide_list))
return 1;
ret = HIDE_ERROR;
} else {
ret = HIDE_ITEM_NOT_EXIST;
}
error:
free(proc);
vec_destroy(temp);
free(temp);
return 0;
return ret;
}
int init_list() {

32
jni/magiskhide/magiskhide.c
View File

@ -44,7 +44,7 @@ static void usage(char *arg0) {
void launch_magiskhide(int client) {
if (hideEnabled) {
write_int(client, 0);
write_int(client, HIDE_IS_ENABLED);
close(client);
return;
}
@ -79,7 +79,7 @@ void launch_magiskhide(int client) {
// Initialize the mutex lock
pthread_mutex_init(&hide_lock, NULL);
write_int(client, 0);
write_int(client, HIDE_SUCCESS);
close(client);
// Get thread reference
@ -90,7 +90,7 @@ void launch_magiskhide(int client) {
error:
hideEnabled = 0;
write_int(client, 1);
write_int(client, HIDE_ERROR);
close(client);
if (hide_pid != -1) {
int kill = -1;
@ -105,7 +105,7 @@ error:
void stop_magiskhide(int client) {
if (!hideEnabled) {
write_int(client, 0);
write_int(client, HIDE_NOT_ENABLED);
close(client);
return;
}
@ -116,7 +116,7 @@ void stop_magiskhide(int client) {
setprop("persist.magisk.hide", "0");
pthread_kill(proc_monitor_thread, SIGUSR1);
write_int(client, 0);
write_int(client, HIDE_SUCCESS);
close(client);
}
@ -147,10 +147,26 @@ int magiskhide_main(int argc, char *argv[]) {
if (req == ADD_HIDELIST || req == RM_HIDELIST) {
write_string(fd, argv[2]);
}
int code = read_int(fd);
hide_ret code = read_int(fd);
close(fd);
if (code) {
fprintf(stderr, "Error occured in MagiskHide daemon\n");
switch (code) {
case HIDE_ERROR:
fprintf(stderr, "Error occured in daemon...\n");
break;
case HIDE_SUCCESS:
break;
case HIDE_NOT_ENABLED:
fprintf(stderr, "Magisk hide is not enabled yet\n");
break;
case HIDE_IS_ENABLED:
fprintf(stderr, "Magisk hide is already enabled\n");
break;
case HIDE_ITEM_EXIST:
fprintf(stderr, "Process [%s] already exists in hide list\n", argv[2]);
break;
case HIDE_ITEM_NOT_EXIST:
fprintf(stderr, "Process [%s] does not exist in hide list\n", argv[2]);
break;
}
return code;
}

9
jni/magiskhide/magiskhide.h
View File

@ -8,6 +8,15 @@
#define ENFORCE_FILE "/sys/fs/selinux/enforce"
#define POLICY_FILE "/sys/fs/selinux/policy"
typedef enum {
HIDE_ERROR = -1,
HIDE_SUCCESS = 0,
HIDE_IS_ENABLED,
HIDE_NOT_ENABLED,
HIDE_ITEM_EXIST,
HIDE_ITEM_NOT_EXIST
} hide_ret;
// Kill process
void kill_proc(int pid);

2
jni/magiskhide/proc_monitor.c
View File

@ -141,7 +141,7 @@ void proc_monitor() {
// Send pause signal ASAP
if (kill(pid, SIGSTOP) == -1) continue;
LOGI("proc_monitor: %s(PID=%d ns=%s)\n", processName, pid, buffer);
LOGI("proc_monitor: %s (PID=%d ns=%s)\n", processName, pid, buffer);
// Unmount start
xwrite(sv[0], &pid, sizeof(pid));

4
jni/utils/vector.c
View File

@ -6,6 +6,7 @@
#include "vector.h"
void vec_init(struct vector *v) {
if (v == NULL) return;
vec_size(v) = 0;
vec_cap(v) = 1;
vec_entry(v) = malloc(sizeof(void*));
@ -22,6 +23,7 @@ void vec_push_back(struct vector *v, void *p) {
}
void vec_sort(struct vector *v, int (*compar)(const void *, const void *)) {
if (v == NULL) return;
qsort(vec_entry(v), vec_size(v), sizeof(void*), compar);
}
@ -29,6 +31,7 @@ void vec_sort(struct vector *v, int (*compar)(const void *, const void *)) {
* use in cases when each element requires special cleanup
*/
void vec_destroy(struct vector *v) {
if (v == NULL) return;
vec_size(v) = 0;
vec_cap(v) = 0;
free(vec_entry(v));
@ -39,6 +42,7 @@ void vec_destroy(struct vector *v) {
* Shall be the general case
*/
void vec_deep_destroy(struct vector *v) {
if (v == NULL) return;
void *e;
vec_for_each(v, e) {
free(e);