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fix: ReZygiskd Magisk DenyList not checking against process

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This commit improves the precision of ReZygiskd check for Magisk if a process is in DenyList/SuList, as previously it used "package_name" instead of the correct "process" field.
This commit is contained in:
ThePedroo
2025-04-27 19:50:59 -03:00
parent 0c0f65998d
commit 0930c8cca4
11 changed files with 47 additions and 34 deletions
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11
zygiskd/src/zygiskd.c
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@@ -415,6 +415,15 @@ void zygiskd_start(char *restrict argv[]) {
ssize_t ret = read_uint32_t(client_fd, &uid);
ASSURE_SIZE_READ_BREAK("GetProcessFlags", "uid", ret, sizeof(uid));
/* INFO: Only used for Magisk, as it saves process names and not UIDs. */
char process[PROCESS_NAME_MAX_LEN];
ret = read_string(client_fd, process, sizeof(process));
if (ret == -1) {
LOGE("Failed reading process name.\n");
break;
}
uint32_t flags = 0;
if (first_process) {
flags |= PROCESS_IS_FIRST_STARTED;
@@ -427,7 +436,7 @@ void zygiskd_start(char *restrict argv[]) {
if (uid_granted_root(uid)) {
flags |= PROCESS_GRANTED_ROOT;
}
if (uid_should_umount(uid)) {
if (uid_should_umount(uid, (const char *const)process)) {
flags |= PROCESS_ON_DENYLIST;
}
}