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Annotation of embedaddon/quagga/lib/privs.h, revision 1.1

1.1     ! misho       1: /* 
        !             2:  * Zebra privileges header.
        !             3:  *
        !             4:  * Copyright (C) 2003 Paul Jakma.
        !             5:  *
        !             6:  * This file is part of GNU Zebra.
        !             7:  *
        !             8:  * GNU Zebra is free software; you can redistribute it and/or modify it
        !             9:  * under the terms of the GNU General Public License as published by the
        !            10:  * Free Software Foundation; either version 2, or (at your option) any
        !            11:  * later version.
        !            12:  *
        !            13:  * GNU Zebra is distributed in the hope that it will be useful, but
        !            14:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            15:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            16:  * General Public License for more details.
        !            17:  *
        !            18:  * You should have received a copy of the GNU General Public License
        !            19:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
        !            20:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            21:  * 02111-1307, USA.  
        !            22:  */
        !            23: 
        !            24: #ifndef _ZEBRA_PRIVS_H
        !            25: #define _ZEBRA_PRIVS_H
        !            26: 
        !            27: /* list of zebra capabilities */
        !            28: typedef enum 
        !            29: {
        !            30:   ZCAP_SETID,
        !            31:   ZCAP_BIND,
        !            32:   ZCAP_NET_ADMIN,
        !            33:   ZCAP_SYS_ADMIN,
        !            34:   ZCAP_NET_RAW,
        !            35:   ZCAP_CHROOT,
        !            36:   ZCAP_NICE,
        !            37:   ZCAP_PTRACE,
        !            38:   ZCAP_DAC_OVERRIDE,
        !            39:   ZCAP_READ_SEARCH,
        !            40:   ZCAP_FOWNER,
        !            41:   ZCAP_MAX
        !            42: } zebra_capabilities_t;
        !            43: 
        !            44: typedef enum
        !            45: {
        !            46:   ZPRIVS_LOWERED,
        !            47:   ZPRIVS_RAISED,
        !            48:   ZPRIVS_UNKNOWN,
        !            49: } zebra_privs_current_t;
        !            50: 
        !            51: typedef enum
        !            52: {
        !            53:   ZPRIVS_RAISE,
        !            54:   ZPRIVS_LOWER,
        !            55: } zebra_privs_ops_t;
        !            56: 
        !            57: struct zebra_privs_t
        !            58: {
        !            59:   zebra_capabilities_t *caps_p;       /* caps required for operation */
        !            60:   zebra_capabilities_t *caps_i;       /* caps to allow inheritance of */
        !            61:   int cap_num_p;                      /* number of caps in arrays */
        !            62:   int cap_num_i;                    
        !            63:   const char *user;                   /* user and group to run as */
        !            64:   const char *group;
        !            65:   const char *vty_group;              /* group to chown vty socket to */
        !            66:   /* methods */
        !            67:   int 
        !            68:     (*change) (zebra_privs_ops_t);    /* change privileges, 0 on success */
        !            69:   zebra_privs_current_t 
        !            70:     (*current_state) (void);          /* current privilege state */
        !            71: };
        !            72: 
        !            73: struct zprivs_ids_t
        !            74: {
        !            75:   /* -1 is undefined */
        !            76:   uid_t uid_priv;                     /* privileged uid */
        !            77:   uid_t uid_normal;                   /* normal uid */
        !            78:   gid_t gid_priv;                     /* privileged uid */
        !            79:   gid_t gid_normal;                   /* normal uid */
        !            80:   gid_t gid_vty;                      /* vty gid */
        !            81: };
        !            82: 
        !            83:   /* initialise zebra privileges */
        !            84: extern void zprivs_init (struct zebra_privs_t *zprivs);
        !            85:   /* drop all and terminate privileges */ 
        !            86: extern void zprivs_terminate (struct zebra_privs_t *);
        !            87:   /* query for runtime uid's and gid's, eg vty needs this */
        !            88: extern void zprivs_get_ids(struct zprivs_ids_t *);
        !            89: 
        !            90: #endif /* _ZEBRA_PRIVS_H */