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    revision 815 by niro, Sat Sep 1 22:45:15 2007 UTC revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
    # Line 30  Line 30 
    30    
    31  #include "libbb.h"  #include "libbb.h"
    32    
       
    33  /* Become the user and group(s) specified by PW.  */  /* Become the user and group(s) specified by PW.  */
    34  const char *change_identity_e2str(const struct passwd *pw)  void FAST_FUNC change_identity(const struct passwd *pw)
    35  {  {
    36   if (initgroups(pw->pw_name, pw->pw_gid) == -1)   if (initgroups(pw->pw_name, pw->pw_gid) == -1)
    37   return "cannot set groups";   bb_perror_msg_and_die("can't set groups");
    38   endgrent(); /* ?? */   endgrent(); /* helps to close a fd used internally by libc */
    39   xsetgid(pw->pw_gid);   xsetgid(pw->pw_gid);
    40   xsetuid(pw->pw_uid);   xsetuid(pw->pw_uid);
      return NULL;  
     }  
       
     void change_identity(const struct passwd *pw)  
     {  
      const char *err_msg = change_identity_e2str(pw);  
       
      if (err_msg)  
      bb_perror_msg_and_die("%s", err_msg);  
    41  }  }
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