MarcoBuster/Magisk
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Workaround compiler optimization bug

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This commit is contained in:
topjohnwu 2018-02-21 14:44:24 +08:00
parent 0afa601551
commit 9c6e64f47d
3 changed files with 5 additions and 2 deletions
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2
native/jni/core/magiskinit.c
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@ -339,7 +339,7 @@ static void patch_socket_name(const char *path) {
mmap_rw(path, &buf, &size);
if (SOCKET_OFF < 0) {
for (int i = 0; i < size; ++i) {
if (memcmp(buf + i, SOCKET_NAME, sizeof(SOCKET_NAME)) == 0) {
if (memcmp(buf + i, socket_name, sizeof(SOCKET_NAME)) == 0) {
SOCKET_OFF = i;
break;
}

4
native/jni/core/socket.c
View File

@ -8,13 +8,15 @@
#include "utils.h"
#include "magisk.h"
char socket_name[] = SOCKET_NAME;
/* Setup the address and return socket fd */
int setup_socket(struct sockaddr_un *sun) {
int fd = xsocket(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
memset(sun, 0, sizeof(*sun));
sun->sun_family = AF_LOCAL;
sun->sun_path[0] = '\0';
memcpy(sun->sun_path + 1, SOCKET_NAME, sizeof(SOCKET_NAME));
memcpy(sun->sun_path + 1, socket_name, sizeof(SOCKET_NAME));
return fd;
}

1
native/jni/include/magisk.h
View File

@ -55,6 +55,7 @@ extern char *argv0; /* For changing process name */
#define init_applet ((char *[]) { "magiskpolicy", "supolicy", NULL })
extern int (*applet_main[]) (int, char *[]), (*init_applet_main[]) (int, char *[]);
extern char socket_name[]; /* Workaround compiler bug pre NDK r13 */
int create_links(const char *bin, const char *path);