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remove: ReZygiskd dl.c

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This commit removes the "dl.c" file, which was used for using "android_dlopen_ext" in a new namespace, used to isolate libraries, which is not necessary here as they are on different processes, hence "dlopen" can be used.
This commit is contained in:
ThePedroo
2025-04-26 06:02:03 -03:00
parent dd38f230c0
commit 0c0f65998d
4 changed files with 1 additions and 66 deletions
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1
zygiskd/build.gradle.kts
View File

@@ -51,7 +51,6 @@ val Files = arrayOf(
"root_impl/kernelsu.c",
"root_impl/magisk.c",
"companion.c",
"dl.c",
"main.c",
"utils.c",
"zygiskd.c"

3
zygiskd/src/companion.c
View File

@@ -15,7 +15,6 @@
#include <android/log.h>
#include "dl.h"
#include "utils.h"
#undef LOG_TAG
@@ -32,7 +31,7 @@ zygisk_companion_entry load_module(int fd) {
char path[PATH_MAX];
snprintf(path, sizeof(path), "/proc/self/fd/%d", fd);
void *handle = dlopen_ext(path, RTLD_NOW);
void *handle = dlopen(path, RTLD_NOW);
if (!handle) return NULL;

57
zygiskd/src/dl.c
View File

@@ -1,57 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <errno.h>
#include <libgen.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdint.h>
#include <android/log.h>
#include <android/dlext.h>
#include "companion.h"
#include "utils.h"
#define __LOADER_ANDROID_CREATE_NAMESPACE_TYPE(name) struct android_namespace_t *(*name)( \
const char *name, \
const char *ld_library_path, \
const char *default_library_path, \
uint64_t type, \
const char *permitted_when_isolated_path, \
struct android_namespace_t *parent, \
const void *caller_addr)
void *dlopen_ext(const char* path, int flags) {
android_dlextinfo info = { 0 };
char *dir = dirname(path);
__LOADER_ANDROID_CREATE_NAMESPACE_TYPE(__loader_android_create_namespace) = (__LOADER_ANDROID_CREATE_NAMESPACE_TYPE( ))dlsym(RTLD_DEFAULT, "__loader_android_create_namespace");
struct android_namespace_t *ns = __loader_android_create_namespace == NULL ? NULL :
__loader_android_create_namespace(path, dir, NULL,
2, /* ANDROID_NAMESPACE_TYPE_SHARED */
NULL, NULL,
(void *)&dlopen_ext);
if (ns) {
info.flags = ANDROID_DLEXT_USE_NAMESPACE;
info.library_namespace = ns;
LOGI("Open %s with namespace %p", path, (void *)ns);
} else {
LOGW("Cannot create namespace for %s", path);
}
void *handle = android_dlopen_ext(path, flags, &info);
if (handle) {
LOGI("dlopen %s: %p", path, handle);
} else {
LOGE("dlopen %s: %s", path, dlerror());
}
return handle;
}

6
zygiskd/src/dl.h
View File

@@ -1,6 +0,0 @@
#ifndef DL_H
#define DL_H
void *dlopen_ext(char *path, int flags);
#endif /* DL_H */