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use /system/bin/sh for new vendor partition

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For devices with ro.board.api_level >= 202404, use /system/bin/sh for
all domains include /vendor and other partitions.

Bug: 324142245
Test: system("readlink /proc/$$/exe") in vendor components
Change-Id: Ifa4f38e542377ce1482516fba4f0001c09c5a869
This commit is contained in:
Jooyung Han 2024-02-08 16:55:20 +09:00
parent b28adb35bd
commit c03b656a94
1 changed files with 11 additions and 0 deletions
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11
libc/bionic/__bionic_get_shell_path.cpp
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@ -29,8 +29,10 @@
#include "private/__bionic_get_shell_path.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/cdefs.h>
#include <sys/system_properties.h>
#include <unistd.h>
#define VENDOR_PREFIX "/vendor/"
@ -40,6 +42,15 @@ static const char* init_sh_path() {
// For the host Bionic, use the standard /bin/sh
return "/bin/sh";
#else
// Since 202404, we use /system/bin/sh for all domains.
char vendor_api_level[PROP_VALUE_MAX];
if (__system_property_get("ro.board.api_level", vendor_api_level) > 0) {
int api_level = atoi(vendor_api_level);
if (api_level >= 202404) {
return "/system/bin/sh";
}
}
// To keep the old behavior for devices under GRF.
// Look for /system or /vendor prefix.
char exe_path[strlen(VENDOR_PREFIX)];
ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path));