TheArchive/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2025-10-16 06:45:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Make sepolicy dump more efficient

Browse Source
This commit is contained in:
topjohnwu
2019-11-20 03:47:15 -05:00
parent d6fb9868bf
commit bb9ce0e897
3 changed files with 102 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
native/jni/magiskpolicy/policydb.cpp
View File

@@ -21,11 +21,12 @@ int load_policydb(const char *file) {
pf.type = PF_USE_STDIO;
magisk_policydb = static_cast<policydb_t *>(xmalloc(sizeof(policydb_t)));
if (policydb_init(magisk_policydb) || policydb_read(magisk_policydb, &pf, 0))
if (policydb_init(magisk_policydb) || policydb_read(magisk_policydb, &pf, 0)) {
LOGE("Fail to load policy from %s\n", file);
return 1;
}
fclose(pf.fp);
return 0;
}
@@ -172,22 +173,27 @@ int compile_split_cil() {
}
int dump_policydb(const char *file) {
int fd, ret;
void *data = nullptr;
struct policy_file pf;
policy_file_init(&pf);
uint8_t *data;
size_t len;
policydb_to_image(nullptr, magisk_policydb, &data, &len);
if (data == nullptr) {
LOGE("Fail to dump policy image!\n");
pf.type = PF_USE_STDIO;
pf.fp = open_memfile(data, len);
if (policydb_write(magisk_policydb, &pf)) {
LOGE("Fail to create policy image\n");
return 1;
}
fclose(pf.fp);
fd = xopen(file, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0644);
int fd = xopen(file, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0644);
if (fd < 0)
return 1;
ret = xwrite(fd, data, len);
xwrite(fd, data, len);
close(fd);
if (ret < 0)
return 1;
free(data);
return 0;
}