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topjohnwu
2017-04-17 16:36:49 +08:00
parent d9c3a3c9a9
commit 08527dde9b
21 changed files with 279 additions and 184 deletions
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19
jni/utils/misc.c
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@@ -8,6 +8,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <pwd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
@@ -15,6 +16,8 @@
#include "magisk.h"
#include "utils.h"
int quit_signals[] = { SIGALRM, SIGABRT, SIGHUP, SIGPIPE, SIGQUIT, SIGTERM, SIGINT, 0 };
unsigned get_shell_uid() {
struct passwd* ppwd = getpwnam("shell");
if (NULL == ppwd)
@@ -171,7 +174,7 @@ void unlock_blocks() {
continue;
if (ioctl(fd, BLKROSET, &OFF) == -1)
PLOGE("ioctl");
PLOGE("unlock %s", path);
close(fd);
}
}
@@ -183,3 +186,17 @@ void unblock_boot_process() {
int fd = open("/dev/.magisk.unblock", O_RDONLY | O_CREAT);
close(fd);
}
void setup_sighandlers(void (*handler)(int)) {
struct sigaction act;
// Install the termination handlers
// Note: we're assuming that none of these signal handlers are already trapped.
// If they are, we'll need to modify this code to save the previous handler and
// call it after we restore stdin to its previous state.
memset(&act, 0, sizeof(act));
act.sa_handler = handler;
for (int i = 0; quit_signals[i]; ++i) {
sigaction(quit_signals[i], &act, NULL);
}
}