PHP 執行sudo  權限的shell script

PHP 執行sudo 權限的shell script

echo exec("cd temp; ./php_root ");
//echo shell_exec("whoami");


#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

main (int argc, char *argv[])
     setuid (0);

     /* WARNING: Only use an absolute path to the script to execute,
      *          a malicious user might fool the binary and execute
      *          arbitary commands if not.
      * */
     //system("cp 1.png 3.png");
     system ("./");
     //i=system ("ls ");
     //printf("The value returned was: %d.\n",i);
     return 0;


# sips -s format png  1.png --out  2.png 
sudo rm -rf code
mkdir code
cd code
sudo yes | ls  & (nsPID=$! ; sleep 10 ; kill -STOP $nsPID)
cd ..
cp 1.png 4.png

並且執行以下指令 設定和編譯程式

sudo chown root
sudo chmod u=rwx,go=xr
sudo gcc wrapper.c -o php_root
sudo chown root php_root
sudo chmod u=rwx,go=xr,+s php_root
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