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Annotation of src/usr.bin/cvs/cvsd.h, Revision 1.1

1.1     ! jfb         1: /*     $OpenBSD$       */
        !             2: /*
        !             3:  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  *
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. The name of the author may not be used to endorse or promote products
        !            13:  *    derived from this software without specific prior written permission.
        !            14:  *
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
        !            16:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
        !            17:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
        !            18:  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
        !            19:  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
        !            20:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
        !            21:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
        !            22:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            23:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
        !            24:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            25:  */
        !            26:
        !            27: #ifndef CVSD_H
        !            28: #define CVSD_H
        !            29:
        !            30: #include <sys/types.h>
        !            31: #include <sys/queue.h>
        !            32: #include <sys/stat.h>
        !            33:
        !            34: #include <pwd.h>
        !            35: #include <signal.h>
        !            36:
        !            37: #include "cvs.h"
        !            38:
        !            39: #define CVSD_USER   "_cvsd"
        !            40: #define CVSD_GROUP  "_cvsd"
        !            41:
        !            42: #define CVSD_CHILD_DEFMIN    3
        !            43: #define CVSD_CHILD_DEFMAX    5
        !            44:
        !            45:
        !            46:
        !            47: #define CVSD_FPERM  (S_IRUSR | S_IWUSR)
        !            48: #define CVSD_DPERM  (S_IRWXU)
        !            49:
        !            50:
        !            51: /* requests */
        !            52: #define CVSD_MSG_GETUID    1
        !            53: #define CVSD_MSG_GETUNAME  2
        !            54: #define CVSD_MSG_PASSFD    3   /* server passes client file descriptor */
        !            55: #define CVSD_MSG_SETIDLE   4   /* client has no further processing to do */
        !            56:
        !            57: /* replies */
        !            58: #define CVSD_MSG_UID       128
        !            59: #define CVSD_MSG_UNAME     129
        !            60:
        !            61: #define CVSD_MSG_SHUTDOWN  253
        !            62: #define CVSD_MSG_OK        254
        !            63: #define CVSD_MSG_ERROR     255
        !            64:
        !            65: #define CVSD_MSG_MAXLEN    256
        !            66:
        !            67:
        !            68: /* message structure to pass data between the parent and the chrooted child */
        !            69: struct cvsd_msg {
        !            70:        u_int8_t  cm_type;
        !            71:        u_int8_t  cm_len;    /* length of message data in bytes */
        !            72: };
        !            73:
        !            74:
        !            75: struct cvsd_child {
        !            76:        pid_t  ch_pid;
        !            77:        int    ch_sock;
        !            78:
        !            79:        TAILQ_ENTRY(cvsd_child) ch_list;
        !            80: };
        !            81:
        !            82:
        !            83:
        !            84: extern int foreground;
        !            85:
        !            86: extern volatile sig_atomic_t running;
        !            87: extern volatile sig_atomic_t restart;
        !            88:
        !            89:
        !            90:
        !            91:
        !            92:
        !            93:
        !            94: int  cvsd_checkperms (const char *);
        !            95: int  cvsd_forkchild  (void);
        !            96:
        !            97:
        !            98: /* from aclparse.y */
        !            99: int    cvs_acl_parse  (const char *);
        !           100: u_int  cvs_acl_eval   (struct cvs_op *);
        !           101:
        !           102: /* from msg.c */
        !           103: int    cvsd_sendmsg (int, u_int, const void *, size_t);
        !           104: int    cvsd_recvmsg (int, u_int *, void *, size_t *);
        !           105:
        !           106: #endif /* CVSD_H */