Re: [Dav-linuxfs] Password and ps

[Robert S. <rs...@po...>]

>This is lucid point. And I think we should prepare some mechanism to
>protect the password from ps.
>Any idea?

Simple argv modification should do it 



rspier@bear ~$ ./a.out  test
argv[1] is test
argv[1] is ****
  PID TTY      STAT   TIME COMMAND
26963 pts/6    S      0:00 ./a.out ****


#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
int main( int argc, char **argv ) {
 char *c;
 char buf[128];
 printf("argv[1] is %s\n",argv[1]);
 for (c=argv[1]; *c; c++) {
        *c = '*';
 }
 printf("argv[1] is %s\n",argv[1]);
 sprintf(buf,"ps %d",getpid());
 system(buf);
}


This is fine as a temporary workaround, but as a longer term plan, we
should probably move away from multiple davfsd's and move to one
handling multiple connections.


kernel |  userspace
       |
       |            ---- Neon  mount 1
       |           /
  coda <-> davfsd < ---  Neon  mount 2
                   \
                    ---- Neon  mount 3


  /webdav/mount{1,2,3}

-R