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Don't copy sepolicy.rule to /persist on boot

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* This seems to be a logic that has been abandoned for a
   long time. Now we automatically choose which partition
   to store sepolicy.rule. Furthermore, touching /persist is
   what we should avoid doing whenever possible.
This commit is contained in:
Wang Han 2021-04-13 16:26:58 +08:00 committed by John Wu
parent 013b6e68ec
commit 44f005077d
1 changed files with 11 additions and 22 deletions
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33
native/jni/core/module.cpp
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@ -545,43 +545,32 @@ void magic_mount() {
auto system = new root_node("system"); auto system = new root_node("system");
root->insert(system); root->insert(system);
char buf1[4096]; char buf[4096];
char buf2[4096];
LOGI("* Loading modules\n"); LOGI("* Loading modules\n");
for (const auto &m : module_list) { for (const auto &m : module_list) {
auto module = m.data(); auto module = m.data();
char *b1 = buf1 + sprintf(buf1, MODULEROOT "/%s/", module); char *b = buf + sprintf(buf, MODULEROOT "/%s/", module);
// Read props // Read props
strcpy(b1, "system.prop"); strcpy(b, "system.prop");
if (access(buf1, F_OK) == 0) { if (access(buf, F_OK) == 0) {
LOGI("%s: loading [system.prop]\n", module); LOGI("%s: loading [system.prop]\n", module);
load_prop_file(buf1, false); load_prop_file(buf, false);
}
// Copy sepolicy rules
strcpy(b1, "sepolicy.rule");
char *b2 = buf2 + sprintf(buf2, "%s/" MIRRDIR "/persist", MAGISKTMP.data());
if (access(buf1, F_OK) == 0 && access(buf2, F_OK) == 0) {
b2 += sprintf(b2, "/magisk/%s", module);
xmkdirs(buf2, 0755);
strcpy(b2, "/sepolicy.rule");
cp_afc(buf1, buf2);
} }
// Check whether skip mounting // Check whether skip mounting
strcpy(b1, "skip_mount"); strcpy(b, "skip_mount");
if (access(buf1, F_OK) == 0) if (access(buf, F_OK) == 0)
continue; continue;
// Double check whether the system folder exists // Double check whether the system folder exists
strcpy(b1, "system"); strcpy(b, "system");
if (access(buf1, F_OK) != 0) if (access(buf, F_OK) != 0)
continue; continue;
LOGI("%s: loading mount files\n", module); LOGI("%s: loading mount files\n", module);
b1[-1] = '\0'; b[-1] = '\0';
int fd = xopen(buf1, O_RDONLY | O_CLOEXEC); int fd = xopen(buf, O_RDONLY | O_CLOEXEC);
system->collect_files(module, fd); system->collect_files(module, fd);
close(fd); close(fd);
} }