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/* Common interface for auth frobbing utilities
Copyright (C) 1997 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef __FROBAUTH_H__
#define __FROBAUTH_H__
#include <sys/types.h>
#include <ugids.h>
#include <argp.h>
/* Structure describing which processes to frob, and how to frob them. */
struct frobauth
{
struct ugids ugids;
pid_t *pids;
size_t num_pids;
int verbose, dry_run; /* User options */
uid_t default_user; /* If none specified; -1 means none. */
int require_ids; /* If true, require some ids be specified. */
};
#define FROBAUTH_INIT { UGIDS_INIT, 0, 0, 0, 0, -1 }
/* For every pid in FROBAUTH, call MODIFY to change its argument UGIDS from
the current authentication to what it should be; CHANGE is whatever ids
the user specified. AUTHS, of length NUM_AUTHS, should be a vector of
auth ports giving whatever additional authentication is needed (besides
the process's current authentication). If the user specifies the
--verbose flags, PRINT_INFO is called after successfully installing the
new authentication in each process, to print a message about what
happened. True is returned if no errors occur, although most errors do
not cause termination, and error messages are printed for them. */
error_t frobauth_modify (struct frobauth *frobauth,
const auth_t *auths, size_t num_auths,
error_t (*modify) (struct ugids *ugids,
const struct ugids *change,
pid_t pid, void *hook),
void (*print_info) (const struct ugids *new,
const struct ugids *old,
const struct ugids *change,
pid_t pid, void *hook),
void *hook);
/* Parse frobauth args/options, where user args are added as single ids to
either the effective or available ids. */
extern struct argp frobauth_ea_argp;
/* Parse frobauth args/options, where user args are added as posix user. */
extern struct argp frobauth_posix_argp;
/* Parse frobauth args/options, with no user specifications. */
extern struct argp frobauth_no_ugids_argp;
#endif /* __FROBAUTH_H__ */
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