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redroid-patches/android-8.1.0_r81/external/selinux/0001-ignore-selinux.patch
Ziyang Zhou 81ef272d21 android-8.1.0_r81 patches
2023-10-17 16:11:38 +08:00

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From 6fd28b726a9ce3060d377e0f1c722da705b51acd Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sun, 9 May 2021 23:12:46 +0800
Subject: [PATCH] ignore selinux
---
libselinux/include/selinux/selinux.h | 4 ++++
libselinux/src/android/android_platform.c | 6 ++++++
libselinux/src/checkAccess.c | 1 +
libselinux/src/getenforce.c | 1 +
libselinux/src/getpeercon.c | 1 +
libselinux/src/init.c | 1 +
libselinux/src/label.c | 2 ++
libselinux/src/lgetfilecon.c | 1 +
libselinux/src/lsetfilecon.c | 1 +
libselinux/src/procattr.c | 2 ++
10 files changed, 20 insertions(+)
diff --git a/libselinux/include/selinux/selinux.h b/libselinux/include/selinux/selinux.h
index 01201eee..86db8297 100644
--- a/libselinux/include/selinux/selinux.h
+++ b/libselinux/include/selinux/selinux.h
@@ -4,6 +4,10 @@
#include <sys/types.h>
#include <stdarg.h>
+#define SE_HACK
+#define se_hack() if (1) return
+#define se_hack1(p) if (1) return p
+
#ifdef __cplusplus
extern "C" {
#endif
diff --git a/libselinux/src/android/android_platform.c b/libselinux/src/android/android_platform.c
index 0325113e..868255d1 100644
--- a/libselinux/src/android/android_platform.c
+++ b/libselinux/src/android/android_platform.c
@@ -135,6 +135,7 @@ static bool selinux_android_opts_file_exists(const struct selinux_opt *opt)
struct selabel_handle* selinux_android_file_context_handle(void)
{
+ se_hack1(NULL);
if (selinux_android_opts_file_exists(seopts_file_split)) {
return selinux_android_file_context(seopts_file_split,
ARRAY_SIZE(seopts_file_split));
@@ -146,6 +147,7 @@ struct selabel_handle* selinux_android_file_context_handle(void)
struct selabel_handle* selinux_android_prop_context_handle(void)
{
+ se_hack1(NULL);
struct selabel_handle* sehandle;
const struct selinux_opt* seopts_prop;
@@ -1040,6 +1042,7 @@ oom:
int selinux_android_setcon(const char *con)
{
+ se_hack1(0);
int ret = setcon(con);
if (ret)
return ret;
@@ -1056,6 +1059,7 @@ int selinux_android_setcontext(uid_t uid,
const char *seinfo,
const char *pkgname)
{
+ se_hack1(0);
char *orig_ctx_str = NULL, *ctx_str;
context_t ctx = NULL;
int rc = -1;
@@ -1394,6 +1398,7 @@ static int selinux_android_restorecon_common(const char* pathname_orig,
uid_t uid,
unsigned int flags)
{
+ se_hack1(0);
bool nochange = (flags & SELINUX_ANDROID_RESTORECON_NOCHANGE) ? true : false;
bool verbose = (flags & SELINUX_ANDROID_RESTORECON_VERBOSE) ? true : false;
bool recurse = (flags & SELINUX_ANDROID_RESTORECON_RECURSE) ? true : false;
@@ -1607,6 +1612,7 @@ void selinux_android_set_sehandle(const struct selabel_handle *hndl)
int selinux_android_load_policy()
{
+ se_hack1(0);
int fd = -1;
fd = open(sepolicy_file, O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
diff --git a/libselinux/src/checkAccess.c b/libselinux/src/checkAccess.c
index 8de57477..e1048d83 100644
--- a/libselinux/src/checkAccess.c
+++ b/libselinux/src/checkAccess.c
@@ -33,6 +33,7 @@ static void avc_init_once(void)
}
int selinux_check_access(const char *scon, const char *tcon, const char *class, const char *perm, void *aux) {
+ se_hack1(0);
int rc;
security_id_t scon_id;
security_id_t tcon_id;
diff --git a/libselinux/src/getenforce.c b/libselinux/src/getenforce.c
index d909dced..fb782b77 100644
--- a/libselinux/src/getenforce.c
+++ b/libselinux/src/getenforce.c
@@ -11,6 +11,7 @@
int security_getenforce(void)
{
+ se_hack1(0);
int fd, ret, enforce = 0;
char path[PATH_MAX];
char buf[20];
diff --git a/libselinux/src/getpeercon.c b/libselinux/src/getpeercon.c
index 3a77a2de..f8dab8e5 100644
--- a/libselinux/src/getpeercon.c
+++ b/libselinux/src/getpeercon.c
@@ -47,6 +47,7 @@ hidden_def(getpeercon_raw)
int getpeercon(int fd, char ** context)
{
+ se_hack1((*context = calloc(7, 1), memcpy(*context, "HACKED", 6), 0));
int ret;
char * rcontext;
diff --git a/libselinux/src/init.c b/libselinux/src/init.c
index 2690a72f..24a212db 100644
--- a/libselinux/src/init.c
+++ b/libselinux/src/init.c
@@ -142,6 +142,7 @@ hidden_def(fini_selinuxmnt)
void set_selinuxmnt(const char *mnt)
{
+ se_hack();
selinux_mnt = strdup(mnt);
}
diff --git a/libselinux/src/label.c b/libselinux/src/label.c
index 8e0a8628..c3ba37bd 100644
--- a/libselinux/src/label.c
+++ b/libselinux/src/label.c
@@ -390,6 +390,7 @@ out:
int selabel_lookup(struct selabel_handle *rec, char **con,
const char *key, int type)
{
+ se_hack1((*con = calloc(7, 1), memcpy(*con, "HACKED", 6), 0));
struct selabel_lookup_rec *lr;
lr = selabel_lookup_common(rec, 1, key, type);
@@ -440,6 +441,7 @@ bool selabel_partial_match(struct selabel_handle *rec, const char *key)
int selabel_lookup_best_match(struct selabel_handle *rec, char **con,
const char *key, const char **aliases, int type)
{
+ se_hack1((*con = calloc(7, 1), memcpy(*con, "HACKED", 6), 0));
struct selabel_lookup_rec *lr;
if (!rec->func_lookup_best_match) {
diff --git a/libselinux/src/lgetfilecon.c b/libselinux/src/lgetfilecon.c
index db67bc60..7123480f 100644
--- a/libselinux/src/lgetfilecon.c
+++ b/libselinux/src/lgetfilecon.c
@@ -53,6 +53,7 @@ hidden_def(lgetfilecon_raw)
int lgetfilecon(const char *path, char ** context)
{
+ se_hack1((*context = calloc(7, 1), memcpy(*context, "HACKED", 6), 0));
int ret;
char * rcontext = NULL;
diff --git a/libselinux/src/lsetfilecon.c b/libselinux/src/lsetfilecon.c
index 1d3b28a1..7062703f 100644
--- a/libselinux/src/lsetfilecon.c
+++ b/libselinux/src/lsetfilecon.c
@@ -29,6 +29,7 @@ hidden_def(lsetfilecon_raw)
int lsetfilecon(const char *path, const char *context)
{
+ se_hack1(0);
int ret;
char * rcontext;
diff --git a/libselinux/src/procattr.c b/libselinux/src/procattr.c
index 48dd8aff..ab516e2a 100644
--- a/libselinux/src/procattr.c
+++ b/libselinux/src/procattr.c
@@ -184,6 +184,7 @@ static int getprocattrcon_raw(char ** context,
static int getprocattrcon(char ** context,
pid_t pid, const char *attr)
{
+ se_hack1((*context = calloc(7, 1), memcpy(*context, "HACKED", 6), 0));
int ret;
char * rcontext;
@@ -269,6 +270,7 @@ out:
static int setprocattrcon(const char * context,
pid_t pid, const char *attr)
{
+ se_hack1(0);
int ret;
char * rcontext;
--
2.34.1
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